CN109068901A - Spray head - Google Patents
Spray head Download PDFInfo
- Publication number
- CN109068901A CN109068901A CN201780024849.4A CN201780024849A CN109068901A CN 109068901 A CN109068901 A CN 109068901A CN 201780024849 A CN201780024849 A CN 201780024849A CN 109068901 A CN109068901 A CN 109068901A
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- Prior art keywords
- spray
- sealing element
- head
- water
- plane
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/28—Showers or bathing douches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Nozzles (AREA)
Abstract
It is designed to provide a kind of spray head, wherein the component number for ensuring watertightness is less, and can be easy and steadily ensures watertightness, whens the case where water process box plugging etc., is also able to suppress inner transition as high pressure and generates breakage.A kind of spray head (1), has: spray head main body (10) has handle (18) and head (20)；Spray lid (12), has water spray plate (42)；Water process box (100) is filled with scavenging material (104)；And cricoid sealing element (16), sealing element (16) include the 1st plane (16a), are formed in inside；2nd plane (16b), the back side of headward (20)；And the 3rd plane (16c), it is towards water spray plate (42) side, 1st plane (16a) and water process box (100) are closely sealed, 2nd plane (16b) and head (20) are closely sealed, 3rd plane (16c) and water spray plate (42) are closely sealed, the primary side and primary side of each closely sealed part are water-tightly isolated, and are formed with slot (17c) along the circumferential direction of sealing element (16) in the outside of sealing element (16).
Description
Technical field
The present invention relates to spray heads.
This application claims based on April 22nd, 2016 in Patent 2016-086141 priority of Japanese publication and
On April 22nd, 2016 Japanese publication Patent 2016-086142 priority, by their content quotation in this.
Background technique
Raw water to the spray supply used in the bathroom of general family, washing basin, barber shop, beauty parlor etc. is usually certainly
Water.But, many residual chlorines are contained in tap water, therefore, if continually utilizing spray cleaning hair, body, hair
Sometimes it generates damage, change colour, or generation skin is coarse.
Therefore, it is proposed to a kind of spray having filled with water process boxes of antichlors such as the calcium sulfites with dechlorination function
Drench head.For example, a kind of spray head can be enumerated, wherein spray lid is installed in the face side on the head of spray head main body, in institute
It states and is accommodated with water process box in head, (patent text is water-tightly isolated by O-ring seals for the primary side and primary side in the head
It offers 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2000-271033 bulletin
Summary of the invention
Problems to be solved by the invention
In the previous spray head as the patent document 1, in general, using the water process box made in head primary side and
The O-ring seals that primary side is water-tightly isolated.For example, being provided in order to ensure watertightness for inhibiting water from head and spray
The O-ring seals in gap, the spray main part covered between lid and the clearance leakage between water spray plate.In this way, previous
In spray head, using multiple O-ring seals, construction is complicated, and in order to steadily ensure watertightness, assembling be also required to cautiously into
Row, it is more miscellaneous.
The purpose of the present invention is to provide a kind of component number reduced for ensuring watertightness, can be easy and steadily
Ensure the spray head of watertightness.
Moreover, in spray head previous as the patent document 1, it is internal whens the case where water process box plugging etc.
Excessively become high pressure, so that spray head generates breakage sometimes.
Whens it is an object of the invention to supply one kind the case where water process box plugs etc., also it is able to suppress inner transition
Damaged spray head is generated as high pressure.
The solution to the problem
The present invention provides the spray head with structure below.
[1] a kind of spray head, has: spray head main body, has the head of handle and setting to the top of handle；Spray
Leaching lid, has water spray plate, which is installed on the face side on the head；Water process box is incorporated in the head
It is interior, and it is filled with scavenging material；And cricoid sealing element, the sealing element includes the 1st plane, on complete cycle
It is formed in the inside of the sealing element；2nd plane is formed in the side at the back side towards the head on complete cycle；And the 3rd
Plane is formed in the side towards the water spray plate on complete cycle, and the 1st plane and the water process box are closely sealed, described
2nd plane and the head are closely sealed, and the 3rd plane and the water spray plate are closely sealed, the primary side and primary side of each closely sealed part
Water-tightly it is isolated.
[2] spray head according to documented by [1], wherein in the outside of the sealing element along the circumferential shape of the sealing element
At there is slot.
[3] spray head according to documented by [2], wherein the slot is formed in the outside of the sealing element on complete cycle.
[4] spray head according to documented by any one of [1]~[3], wherein the plane is formed in the sealing element
A part of inside.
[5] spray head according to documented by any one of [1]~[4], wherein the spray lid is relative to the head
Mounting structure is bayonet type, uncapping torque and to close lid torque be 100Ncm or less.
[6] spray head according to any one of [1]~[5], wherein the spray lid has: the sidewall portion of tubular；
And water spray plate, it is arranged to block the top end opening portion of the face side of the sidewall portion, the formation of the sealing element has the slot
Exterior portion with it is described spray lid the sidewall portion inner surface it is closely sealed, in the hydraulic pressure for being applied with 0.75MPa or more, institute
The exterior portion for stating sealing element produces between the sealing element and the sidewall portion along from the back side towards positive Direction distortion
Raw gap, raw water is via the gap and via the gap between the water spray plate and the sidewall portion of the spray lid and to spray
Drench the External leakage of head.
[7] spray head according to documented by any one of [1]~[6], which is characterized in that the sealing element with the spray
The coefficient of friction of the contact surface of the interior side contacts of lid is drenched than the coefficient of friction of the 1st plane contacted with the water process box
Greatly.
The effect of invention
For spray head of the invention, the component number for ensuring watertightness is less, and can be easy and steadily true
Protect watertightness.
In addition, as long as spray head of the invention, whens the case where water process box plugging etc., is also able to suppress internal mistake
Degree becomes high pressure and generates breakage.
Detailed description of the invention
Fig. 1 is the cross-sectional view for indicating an example of spray head of the invention.
Fig. 2 is the cross-sectional view for indicating an example of spray head of the invention.
Fig. 3 is the cross-sectional view of the sealing element part amplification in the spray head by Fig. 1.
Fig. 4 is the cross-sectional view of the sealing element part amplification in the spray head by Fig. 2.
Fig. 5 is the cross-sectional view for the situation for indicating that sealing element has been deformed due to hydraulic pressure in Fig. 4.
Fig. 6 is the side view of the water process box in the spray head of Fig. 1 and Fig. 2.
Specific embodiment
Hereinafter, showing an example of spray head of the invention to be illustrated.
As shown in figures 1-4, the spray head 1 of present embodiment has spray head main body 10, spray lid 12, water process box 100
And sealing element 16.
(spray head main body)
Spray head main body 10 has the head 20 of handle 18 and setting to the top of handle 18.
It as handle 18, is not particularly limited, following handle can be enumerated, which is in the tubular that can be held, and
Lower end and spray hose etc. can be connect.
The main view shape on head 20 is circular shape, by relative to handle 18 to face side it is outstanding in a manner of be arranged.In head
The inside in portion 20 is formed with incorporating section 22, which is made of the chamber portion being connected to the flow path 18a in handle 18, uses
In storage water process box 100.
The position of 22 backrest surface side of ratio incorporating section in head 20 is provided with the supporting part 24 of multiple plates, the plate
Supporting part 24 abuts with the water process box 100 for being received into incorporating section 22 and supports the water process box 100.Multiple supporting parts 24 are with edge
Main view head 20 when internal perisporium be arranged at spaced intervals towards center mode outstanding along internal perisporium.In water process box
100 are received into the state of incorporating section 22, and top end part and the water process box 100 of the face side on the head 20 in supporting part 24 support
It connects.
In addition, the shape of supporting part is not limited to plate.In addition, the quantity of supporting part is not particularly limited, it can
It is appropriate to determine.For example, it can be the position of the 22 backrest surface side of ratio incorporating section in head 20 is provided with along main view head
1 supporting part that internal perisporium when portion 20 is continuously formed on complete cycle.
The top end part 28 of face side in head 20 is by the 1st cylindric peripheral wall portion 30 and surrounds the circle of the 1st peripheral wall portion 30
2nd peripheral wall portion 32 of tubular is constituted, and becomes double-layer structural on complete cycle.
I.e., the top end part 28 on head 20 becomes at main view head 20 is disposed with 30 and of the 1st peripheral wall portion from inside
The double-layer structural of 2nd peripheral wall portion 32.1st peripheral wall portion 30 and the 2nd peripheral wall portion 32 are arranged separated from each other, are formed between them
Gap.
The multiple raised lines 34 circumferentially extended are locally provided in the outside wall surface of the 1st peripheral wall portion 30 of inside.
The position of tip side is leaned in the ratio raised line 34 of the outside wall surface of the 1st peripheral wall portion 30, slot 36 is provided on complete cycle.In slot
O-ring seals 38 are installed in 36.
(spray lid)
Spray lid 12 has: cylindric sidewall portion 40；With disk-shaped water spray plate 42, it is arranged to block sidewall portion 40
Face side top end opening portion.In the inner wall part of the rear end side section of the side opposite with water spray plate 42 of sidewall portion 40
Ground, which is provided with, distinguishes corresponding multiple recess portions 44 with multiple raised lines 34 of the 1st peripheral wall portion 30 of setting to head 20.Main view side
The shape of recess portion 44 when the inner wall of wall portion 40 becomes the edge direction spray from the side opposite with water spray plate 42 of sidewall portion 40
Shape made of water plate 42 extends and further perpendicularly bends toward with circumferential direction.
The rear end side section of the side opposite with water spray plate 42 of sidewall portion 40 is installed in head 20 in spray lid 12
It is inserted into when face side between the 1st peripheral wall portion 30 on head 20 and the 2nd peripheral wall portion 32.At this point, to be arranged the arrive head 20 the 1st
The raised line 34 of peripheral wall portion 30 mode chimeric with recess portion 44 makes the 1st peripheral wall portion 30 and the 2nd of rear end side partial insertion of sidewall portion 40
Between peripheral wall portion 32.Then, it rotates spray lid 12 circumferentially, makes the part that circumferentially extends of the raised line 34 to recess portion 44
Inboard it is mobile.By so making raised line 34 be embedded in recess portion 44, it is locked to be installed to the state on head 20 to spray lid 12.
In addition, in this state, spraying and being sealed between the sidewall portion 40 of lid 12 and the 1st peripheral wall portion 30 on head 20 by O shape
Circle 38 is watertightly sealed.
In the present invention, it is preferred to which the mounting structure for spraying lid relative to head is bayonet type as the example.Spray lid
As long as mounting structure bayonet type, compared with the installation based on thread binding, the installation and removal for spraying lid are become easy.Cause
This can also be easily removed spray lid and replace box even if soap, shampoo etc. are attached on hand when replacing box.
Water spray plate 42 has: plectane portion 42a；Cylindrical portion 42b is erected on complete cycle from the periphery of plectane portion 42a；And
Flange part 42c stretches out on complete cycle outward from the top end part of cylindrical portion 42b.Water spray plate 42 is in front with plectane portion 42a
The mode that side, flange part are in back side is embedded in the top end part of sidewall portion 40.It is formed in the plectane portion 42a of water spray plate 42 multiple
Hole for water spraying 42d.The quantity of hole for water spraying 42d in water spray plate 42 is not particularly limited, and can suitably be determined.In addition, water spray plate
The distribution patterns of hole for water spraying 42d in 42 are also not particularly limited, and can use well known pattern.
It as the material of spray head main body 10 and spray lid 12, is not particularly limited, can be used using spray head
Well known material.Specifically, such as polypropylene, polyphenylene oxide, polyformaldehyde, polycarbonate, ABS, ASA, PMP tree can be enumerated
The softening points such as rouge are metals such as the resin of 80 DEG C or more of heat resistance, stainless steel etc..
Spray head main body 10 and the manufacturing method of spray lid 12 are not particularly limited, and can use well known manufacturing process
Deng.
(water process box)
As shown in Fig. 1~2 and Fig. 6, water process box 100 has box main body 102 and the purification that is filled into box main body 102
Material 104.
Box main body 102 has: cylindric main part 110；Disk-shaped 1st plate portion 112 is arranged to block main part
110 open end；And disk-shaped 2nd plate portion 114, it is arranged to block another open end of main part 110.?
In head 20, the 1st plate portion 112 is towards primary side, and the 2nd plate portion 114 is towards primary side.
Central portion when 1st plate portion 112 and the 2nd plate portion 114 respectively become with from outer side main view is prominent to external side
The curved shape of mode.In the 1st plate portion 112 and the 2nd plate portion 114, from outer side main view they when central portion be formed with
The recessed portion 115,117 of circular shape is formed with multiple circular shapes around the recessed portion 115,117 of the circular shape
Opening 116,118.
Inner wall 112a in the 1st plate portion 112 is provided with the circle erected from the side of main part 110 along main part 110
Cricoid protruding portion 120.Circular protruding portion 121 is also equipped in the center portion of the inner wall 112a in the 1st plate portion 112.
In the inside in the 1st plate portion 112, to cover in the state that the top end part of the top end part of protruding portion 120 and protruding portion 121 has been fused
It covers the mode of whole openings 116 and filter 122 is installed in a manner of 112a along the inner wall surface.In the 2nd plate portion 114
Inside is similarly provided with circular protruding portion 124, is located at main part from the inner wall 114a in the 2nd plate portion 114
110 side is erected along main part 110；It is partially erected from center with circular protruding portion 125.In the 2nd plate portion 114
Inside be also covered in the state that the top end part of the top end part of protruding portion 124 and protruding portion 125 has been fused it is whole
Opening 118 mode and filter 126 is installed in a manner of 114a along the inner wall surface.
As filter, as long as scavenging material can not be made by the filter passed water through, can enumerate
Such as non-woven fabrics, Porous piece etc., preferred non-woven fabrics.It as the material of non-woven fabrics, is not particularly limited, is able to use at water
Manage the material of the commonly used non-woven fabrics of box.
In the outer peripheral edge portion of the outside wall surface 112b in the 1st plate portion 112, it is formed on complete cycle and is made of circular recessed bar
Step 127.Similarly, it in the outer peripheral edge portion of the outside wall surface 114b in the 2nd plate portion 114, is formed on complete cycle by annular shape
Recessed bar constitute step 128.It is abutted in such a way that supporting part 24 is chimeric with step 128 in head 20, at water
Reason box 100 is held stably.
It as the material of box main body, is not particularly limited, can be made using the water process box for being incorporated in spray head
Well known material.Specifically, such as polypropylene, polyphenylene oxide, polyformaldehyde, polycarbonate, ABS, ASA, PMP can be enumerated
Etc. heat resistances resin etc..
It as scavenging material 104, is not particularly limited, such as antichlor, ion exchange resin, active carbon can be enumerated
Deng.In the case where removing the residual chlorine in raw water, also can be used for example granular antichlor and synthetic fibers are mixed and
Scavenging material made of the scavenging material of forming, the antichlor using nonwoven fabric sheet package powder etc..As antichlor, not
It is particularly limited to, can enumerate such as calcium sulfite, ascorbic acid.Scavenging material 104 is also possible to two either a kind
Kind or more.
In addition to containing other than antichlor in scavenging material 104, can also containing stink remover, moisturizer, freshener,
The medicaments such as aromatic.
(sealing element)
The sealing element 16 of the example is installed in a manner of being crimped on the inside of spray lid 12.Sealing element 16 is the close of annular shape
Sealing has as shown in figures 1-4: main part 17a, the cross sectional shape vertical with annulus shape in the form of a substantially rectangular；Convex strip portions
17b is in pentagon shaped to the inside of main part 17a cross sectional shape outstanding.
The side at headward 20 back side at the top end part outstanding in V shape of convex strip portions 17b becomes the 1st plane
16a.The side at headward 20 back side in main part 17a becomes the 2nd plane 16b.In main part 17a towards water spray plate
42 side becomes the 3rd plane 16c.In this way, sealing element 16 includes the 1st plane 16a, inside is formed on complete cycle；2nd
Plane 16b is formed in the side at headward 20 back side on complete cycle；And the 3rd plane 16c, it is formed on complete cycle
In the side towards water spray plate 42.
Sealing element 16 with spray lid 12 interior side contacts contact surface coefficient of friction formed to obtain than and water process box 100
The coefficient of friction of 1st plane 16a of contact is big.Since with the feature, when replacing box, sealing element is not to stay in box side,
But spray lid side is stayed in, the effort that sealing element is dismantled from box and is installed on spray lid again can be saved, replacement box becomes to hold
Easily.
As the method for increasing coefficient of friction, for example, by connecing the sealing element 16 of the interior side contacts in spray lid 12
Contacting surface is bigger than the 1st plane 16a contacted with water process box 100, can make the coefficient of friction ratio of the contact surface of the sealing element 16
The coefficient of friction of the 1st plane 16a is big.In addition, can be in the contact surface of the interior side contacts in spray lid 12 of sealing element 16
Tiny bumps are set and generate hooking to increase coefficient of friction.Moreover, can also select sealing element 16 in spray lid 12
Coefficient of friction of the coefficient of friction of the contact surface of interior side contacts than the 1st plane 16a contacted with water process box 100 material such greatly
Matter.
1st plane 16a of sealing element 16 is with the part by the 2nd plate portion 114 with the main part 110 in water process box 100
Closely sealed mode is crimped on complete cycle.The primary side and secondary of the closely sealed part of 1st plane 16a and water process box 100 as a result,
Side is water-tightly isolated.I.e., the primary side and primary side of the water process box 100 in head 20 are water-tightly isolated.Therefore, inhibit
Raw water from the primary side of water process box 100 via the gap between the inner wall on head 20 and the outer surface of water process box 100 and
Move into 42 side of water spray plate.
In the inside of sealing element 16, it is formed on complete cycle along sealing element between the 1st plane 16a and the 2nd plane 16b
The recess of 16 circumferentially extending.I.e., the 1st plane 16a is formed in a part of the inside of sealing element 16.As a result, in sealing element 16
Inside there are at the back side from head towards the not part closely sealed with water process box 100 on positive direction.In this way, at this
In invention, it is preferred that be formed on complete cycle the inside of sealing element, with the closely sealed plane of water process box be formed in sealing element
Inside a part.Thereby, it is possible to reduce the operation torque when opening and closing of spray lid, therefore, the opening and closing for spraying lid becomes to hold
Easily.
It is crimped with the protrusion 31 of raised line in the 2nd plane 16b of sealing element 16, the protrusion 31 of the raised line is set on complete cycle
It is placed in the top of the 1st peripheral wall portion 30 in head 20.In this way, the 2nd plane 16b of sealing element 16 is than the 1st plane 16a and Shui Chu
Position and the head 20 for managing the closely sealed part backrest surface side of box 100 are closely sealed.The closely sealed part of 2nd plane 16b and head 20 as a result,
Primary side and primary side be water-tightly isolated.I.e., between the inner wall on head 20 and the outer surface of water process box 100
Gap, head 20 are water-tightly isolated with the gap between the sidewall portion 40 of spray lid 12.Therefore, inhibit from water process box 100
Primary side passes through the raw water come via head 20 via the gap between the inner wall on head 20 and the outer surface of water process box 100
Gap between the sidewall portion 40 of spray lid 12 and to the External leakage of spray head 1.
Moreover, the flange part 42c of the 3rd plane 16c and water spray plate 42 of sealing element 16 are closely sealed, the primary side of closely sealed part
Water-tightly it is isolated with primary side.I.e., the space of the primary side of the water process box 100 in spray head 1 and water spray plate 42 and side wall
The gap in portion 40 is water-tightly isolated.Inhibit as a result, across the purified water that water process box 100 comes via the spray at spray lid 12
The gap of water plate 42 and sidewall portion 40 is leaked out to the external of spray head 1.
In this way, come using the 1st this 3 planes of the plane 16c of plane 16a~the 3rd in sealing element 16 while ensuring spray head
The watertightness at 3 positions in 1.As a result, in order to ensure 3 respective watertightnesses in position and use 3 O-ring seals feelings
Condition is compared, and component number can be reduced, and construction becomes easier.In addition, using 3 O-ring seals, need point
Their contraposition is not carried out, if but the example, then the contraposition of part 16 is only sealed with regard to it is enough, assembling operation is relatively easy to,
It can steadily ensure the watertightness at each position.
In addition, the rigidity of sealing element 16 is higher than the rigidity of O-ring seals, therefore, it is difficult to reverse when replacing box, separately
Outside, wearability is excellent, accordingly, it is difficult to generate abrasion, damage etc..Therefore, it is advantageous in this following point: even if in order to replace water
Handle box 100 and be opened and closed spray lid 12 repeatedly, sealing element 16 can also fully ensure the watertightness of each closely sealed part.
Plane 16d in the outside of main part 17a is formed with slot 17c along the circumferential direction of sealing element 16.I.e., in annular shape
The outside of sealing element 16 be formed with slot 17c in a manner of the circumferentially extending along sealing element 16.As a result, on higher hydraulic pressure edge
Be applied to sealing element 16 towards positive direction from the back side when, the formation in the outside of sealing element 16 have the part of slot 17c with
The case where not formed slot, is compared, and is easy to deform in a manner of along flattening from the back side towards positive direction.The shape of sealing element 16
Inner surface at the sidewall portion 40 for having the exterior portion of slot 17c and spray lid 12 is closely sealed.
By forming slot 17c in sealing element 16, it is assumed that in the case where water process box 100 plugs, if due to passing through head
Gap between the inner wall in portion 20 and the outer surface of water process box 100 and the raw water come and apply higher hydraulic pressure, such as Fig. 5 institute
Show, then the main part 17a in the outside of sealing element 16 is deformed in a manner of along flattening from the back side towards positive direction.Therefore,
Gap is formed between the protrusion 31 of the 1st peripheral wall portion 30 in the 2nd plane 16b of sealing element 16 and head 20.Also, raw water
The outside of sealing element 16 is moved into via the gap, and via the water spray plate 42 at spray lid 12 and the gap between sidewall portion 40
To the External leakage of spray head 1.Higher hydraulic pressure is applied to sealing element 16 in spray head 1 if so, then sealing element 16 deforms
And therefore water, inhibits 1 breakage of spray head as high pressure of the inner transition of spray head 1 to the External leakage of spray head 1.
In addition, by being formed with slot 17c in the outside of sealing element 16, sealing element 16 is easily deformable in spray head 1, because
This, with the not formed slot the case where compared with, torque when spraying the opening and closing of lid 12 becomes smaller.Therefore, it can easily be done spray lid
12 opening and closing operations.
In the present invention, in the case where spray lid is bayonet type relative to the mounting structure on head, preferred uncapping torque
It is 100Ncm hereinafter, more preferably 80Ncm or less with lid torque is closed.It can be formed by adjusting in the outside of sealing element
Length, width and the depth of slot adjust uncapping torque and close lid torque.
In the present invention, it is preferred to which slot is formed in the outside of sealing element on complete cycle.The exterior portion of sealing element is whole as a result,
It is easy on week along from the back side towards positive Direction distortion, therefore, in the case where being applied with higher hydraulic pressure, sealing element becomes
Shape and make the pressure discharge effect get higher.As long as in addition, slot can not also in the range of not impairing the effect of the present invention
The outside of sealing element is formed on complete cycle, for example, it is also possible to which the circumferential direction along sealing element is intermittently formed.
The cross sectional shape for being formed in the slot in the outside of sealing element is semicircle shape in this example embodiment.In addition, in the outer of sealing element
The cross sectional shape for the slot that side is formed is also possible to the shape other than semicircle shape such as rectangular shape, triangular shaped.
It is suitably adjusted in the depth and width for the slot that the outside of sealing element is formed according to the thickness of sealing element, to fill
The watertightness for dividing ground to ensure the 2nd plane of sealing element and the closely sealed part on head, and the sealing when being applied with higher hydraulic pressure
The exterior portion of part is along from the back side towards positive Direction distortion.In the present invention, it is preferred to which the depth and width to slot carry out
It adjusts, so that in the hydraulic pressure for being applied with 0.75MPa or more, the exterior portion of sealing element is along from the back side towards positive
The mode that direction is flattened deforms.It is easy to take into account the 2nd plane and the closely sealed part on head of sealing element when common use as a result,
Watertightness and the effect for discharging internal pressure of water process box the case where plugging etc..
In addition, as long as being formed with the 1st plane, the 2nd plane and the 3rd plane, and being place for the cross sectional shape of sealing element
In the range of these planes can be utilized to ensure watertightness respectively, it is also formed with slot on the outside, is just not limited to the example
Shape is also possible to such as pentagon, hexagon.
It as the material of sealing element, is not particularly limited, is able to use flexible well known sealing element and is used
Material.The concrete example of material as sealing element can enumerate such as nitrile rubber, fluorubber, organic silicon rubber, the third rubber of second
Glue, polyurethane rubber implement material etc. made of teflon (registered trademark) coating to the material.Wherein, according to durable
Property, chemical resistance, wearability, preferably EP rubbers.In addition, more preferably being carried out from the viewpoint of for heat resistance, oxidative resistance
Material made of peroxide cure.In turn, according to the operability of spray lid, the hardness optimal of sealing element is 70 degree or less.Make
For the material of sealing element, both can be used alone, it can also be simultaneously using two or more.
In spray head 1, be flowed into via the flow path 18a of handle 18 raw water in head 20 all to water process box
It flows into and is cleaned in 100, and sprayed by the hole for water spraying 42d from water spray plate 42 in shape spray.In the present invention, it is preferred to such as the example
Son all water process box being accommodated in a manner of in the inside of water process box by the raw water that is flowed into spray head like that
In spray head.As a result, with around water process box be arranged so that a part of raw water is circulated from bypass from primary side to primary side
The previous spray head of flow path is compared, and the concentration of residual chlorine of the purified water sprayed from water spray plate can be equally reduced.
As described above, in spray head of the invention, the 1st plane and water process box of sealing element are closely sealed, and the 2nd is flat
Face is closely sealed with head, and the 3rd plane and water spray plate are closely sealed, and the primary side and primary side of each closely sealed part are water-tightly isolated.Therefore,
With compared with each position configures scheme of the O-ring seals to ensure watertightness, the component for ensuring watertightness can be reduced
Number, it is easy and steadily ensure watertightness.
In addition, in the inside of sealing element, the plane of formation and water process box are closely sealed, and in institute in spray head of the invention
It states and is formed with slot on the outside of sealing element.
Therefore, common in use, the primary side of water process box and the watertightness of primary side in head are ensured that
On the basis of, inhibit the phenomenon that sealing element deformation, inner transition become high pressure and spray when water process box produces blocking etc.
Head generates damaged.In addition, sealing element is easily deformable by being formed with slot on the outside of sealing element, therefore, it can also reduce spray
The torque when opening and closing of lid is opened and closed spray lid easily.
Spray lid opening and closing mainly carried out when more change water to process box, but also can with wet hand when spraying easily into
Row.In addition, spray head of the invention is sealed with flat seal, and therefore, even if continually carrying out more change water to process box, spray
The opening and closing of leaching lid is easier to, and can steadily ensure sealing state.On the other hand, the spray Gai Ruo sealed by O-ring seals
The opening and closing of spray lid is continually carried out, then O-ring seals are easy to reverse, and compared with flat seal of the invention, there is sealing
The risk that property becomes inadequate.
In addition, spray head of the invention is not limited to the spray head 1.In the present invention, sealing element can not also
It is installed on the inside of spray lid, the head of such as spray head main body can also be installed on.
In addition, spray head of the invention can also have well known water process box.Spray head main body and spray are covered,
Well known form can be used, spray lid also can use engagement thread and install in conjunction with head threads.
Embodiment
Hereinafter, explaining the present invention in detail using embodiment, but the present invention is not limited by record below.
[embodiment 1]
Spray head 1 illustrated by Fig. 2 and Fig. 4 is made.In sealing element 16, by the plane 16d in the outside of convex strip portions 17b
Width be set as 2mm, the distance from plane 16d to the top of convex strip portions 17b is set as 5.7mm, the width of slot 17c is set as
Depth is set as 2.5mm by 3mm.Slot 17c is formed in the outside of sealing element 16 on complete cycle.As formed sealing element 16 material,
Using EP rubbers, hardness is set as 70 degree.
[comparative example 1]
In addition to having in addition to the sealing element of other forms identical with sealing element 16 not other than plane 16d forms slot 17c
In addition, spray head similarly to Example 1 has been made.
[uncapping torque and the measurement for closing lid torque]
For the spray head of each example, using uncapping torque meter (SHIMPO corporation, TNK series) come to making spray lid opening and closing
When uncapping torque and close lid torque and be determined.Measurement is each respectively to be carried out 5 times, and average value is calculated.Result is indicated
In table 1.
[table 1]
As shown in table 1, it is formed in slot in the spray head of the embodiment 1 in the outside of sealing element, and the slot is not formed
The spray head of comparative example 1 is compared, and uncapping torque and is closed lid torque and is become smaller, and the opening and closing for spraying lid is easier to.
Industrial availability
It is capable of providing a kind of spray head, wherein the spray head can reduce the component number for ensuring watertightness, easy
And steadily ensure watertightness, in addition, being also able to suppress inner transition as high pressure whens the case where water process box plugging etc.
And it generates damaged.
Description of symbols
1, spray head；10, spray head main body；12, spray lid；16, sealing element；16a, the 1st plane；16b, the 2nd plane；
16c, the 3rd plane；16d, plane；17a, main part；17b, convex strip portions；17c, slot；18, handle；20, head；40, sidewall portion；
42, water spray plate；100, water process box；102, box main body；104, scavenging material.
Claims (7)
1. a kind of spray head, has: spray head main body has the head of handle and setting to the top of handle；Spray lid,
It has water spray plate, which is installed on the face side on the head；Water process box is incorporated in the head, and
It is filled with scavenging material；And cricoid sealing element,
The sealing element includes the 1st plane, and the inside of the sealing element is formed on complete cycle；2nd plane, on complete cycle
It is formed in the side at the back side towards the head；And the 3rd plane, one towards the water spray plate is formed on complete cycle
Side,
1st plane and the water process box are closely sealed, and the 2nd plane and the head are closely sealed, the 3rd plane with it is described
Water spray plate is closely sealed, and the primary side and primary side of each closely sealed part are water-tightly isolated.
2. spray head according to claim 1, wherein
Slot is formed with along the circumferential direction of the sealing element in the outside of the sealing element.
3. spray head according to claim 2, wherein
The slot is formed in the outside of the sealing element on complete cycle.
4. spray head described in any one of claim 1 to 3, wherein
The plane is formed in a part of the inside of the sealing element.
5. spray head according to any one of claims 1 to 4, wherein
The spray lid is bayonet type relative to the mounting structure on the head, uncapping torque and to close lid torque be 100Ncm
Below.
6. spray head according to any one of claims 1 to 5, wherein
The spray lid has: the sidewall portion of tubular；And water spray plate, it is arranged to block the top of the face side of the sidewall portion
Opening portion,
The formation of the sealing element has the exterior portion of the slot and the inner surface of the sidewall portion of the spray lid closely sealed,
In the hydraulic pressure for being applied with 0.75MPa or more, the exterior portion of the sealing element is along from the back side towards positive direction
It deforms and generates gap between the sealing element and the sidewall portion, raw water is via the gap and via described in spray lid
Gap between water spray plate and the sidewall portion and the External leakage to spray head.
7. spray head described according to claim 1~any one of 6, which is characterized in that
The sealing element is contacted with the coefficient of friction ratio of the contact surface of the interior side contacts of the spray lid with the water process box
The 1st plane coefficient of friction it is big.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-086142 | 2016-04-22 | ||
| JP2016086141 | 2016-04-22 | ||
| JP2016086142 | 2016-04-22 | ||
| JP2016-086141 | 2016-04-22 | ||
| PCT/JP2017/016020 WO2017183715A1 (en) | 2016-04-22 | 2017-04-21 | Shower head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109068901A true CN109068901A (en) | 2018-12-21 |
| CN109068901B CN109068901B (en) | 2020-12-01 |
Family
ID=60116196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780024849.4A Active CN109068901B (en) | 2016-04-22 | 2017-04-21 | Spray head |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6692416B2 (en) |
| CN (1) | CN109068901B (en) |
| TW (1) | TWI630894B (en) |
| WO (1) | WO2017183715A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054227A (en) * | 2020-07-30 | 2022-02-18 | 无锡小天鹅电器有限公司 | Spraying device and washing system |
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- 2017-04-21 CN CN201780024849.4A patent/CN109068901B/en active Active
- 2017-04-21 JP JP2018513227A patent/JP6692416B2/en active Active
- 2017-04-21 TW TW106113354A patent/TWI630894B/en active
- 2017-04-21 WO PCT/JP2017/016020 patent/WO2017183715A1/en active Application Filing
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|---|---|---|---|---|
| CN2465808Y (en) * | 2000-06-26 | 2001-12-19 | 宋宁 | Improved shower head with push-button valve |
| CN1574229A (en) * | 2003-05-22 | 2005-02-02 | 周星工程股份有限公司 | Showerhead assembly and apparatus for manufacturing semiconductor device having the same |
| CN2784087Y (en) * | 2004-10-04 | 2006-05-31 | 傅成锋 | Water sprinkler structure |
| JP2009232991A (en) * | 2008-03-26 | 2009-10-15 | Toto Ltd | Chemical supplying device |
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| CN114054227B (en) * | 2020-07-30 | 2023-03-21 | 无锡小天鹅电器有限公司 | Spraying device and washing system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2017183715A1 (en) | 2019-02-28 |
| TWI630894B (en) | 2018-08-01 |
| CN109068901B (en) | 2020-12-01 |
| TW201737848A (en) | 2017-11-01 |
| JP6692416B2 (en) | 2020-05-13 |
| WO2017183715A1 (en) | 2017-10-26 |
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