CN104093669B - Water purifier - Google Patents

Abstract

In order to provide a water purifier in which the adhesion of dirt onto the outer surface thereof is reduced and that enables easy cleaning and removal of adhered dirt while the water purifier is attached to a faucet on a daily basis, the water purifier has a switcher having a switching valve that switches a raw water flow path and a cartridge that is connected to the switcher and filters raw water, and the water purifier has a protective cover mounted so as to be detachable from the switcher.

Description

Water purifier

Technical field

The present invention relates to mainly use in the family, by the Domestic water purifier of tap water filter.

Background technology

Propose many following faucet direct linkage type water purifiers：Switch is arranged on faucet, with switching Vavle switching Stream and use.With regard to this water purifier, it is proposed that raw water is directly spued from switch and by water purification from switch or installation The structure of the type that the filter cylinder on switch directly spues.

These switch are used due to being directly installed on faucet, if so use during long, has by water Rinse water that pond is rebounded or detergent etc. switch inboard or faucet connecting portion attachment dirt or form biomembranous asking Topic.

In this regard, devising by arranging masking valve and water purification guttation mouth being covered the construction to protect water purification guttation mouth（Specially Sharp document 1）.It can however not prevention switch inboard is dirty, need to pull down switch from faucet and clean.

Additionally, develop and being not only the inboard of switch, valve can also be switched over（Valve cell）Internal cleaning it is net Hydrophone（Patent documentation 2）.But, as the box cover vertical profile on the outside of switching valve being split, by raw water guttation mouth（Raw water outlet is sprayed Mouth）Screw up on the pin thread of respective downside, so the operation decomposed and clean is non-routine.Additionally, after cleaning, By box cover in front and back, switching valve and raw water guttation mouth, this 4 parts precisions are assembled needs well, so that not from raw water guttation Mouth leak.

Patent documentation 1：Unexamined Patent 9-314133 publication

Patent documentation 2：Specially permit No. 3629322 publication.

The content of the invention

The present invention is in view of problem as described above, there is provided one kind can mitigate dirt to the attachment of water purifier outer surface, in day The water purifier that often dirt of attachment can be simply washed under installed in the original state on faucet.

In order to solve above-mentioned problem, the water purifier of the present invention is made up of following structures.That is,

A kind of water purifier, with switch and filter cylinder, the switch has the switching valve of switching raw water stream, the filter Cylinder is connected on above-mentioned switch, by raw water filtration；The water purifier has protective cover, and the protective cover removably can be equipped To on above-mentioned switch.

Here it is preferred that the lower section of above-mentioned switch is covered by above-mentioned protective cover, and then, above-mentioned protective cover has original The opening that water guttation can be inserted.

Moreover it is preferred that the lower section of above-mentioned switch is covered by above-mentioned protective cover, and then, above-mentioned protective cover has shape Into the discharge opening of raw water guttation shape.

Moreover it is preferred that the top layer of above-mentioned switch is made up of multiple parts, above-mentioned protective cover is by above-mentioned multiple parts In two at least adjacent parts border a part covering.

Moreover it is preferred that above-mentioned multiple parts include cover at least raw water water-discharge portion periphery of above-mentioned switching valve Lower cover, border of the above-mentioned protective cover at least by above-mentioned lower cover with other the above-mentioned multiple parts adjacent to above-mentioned lower cover are covered.

Moreover it is preferred that above-mentioned lower cover is made up of multiple parts, above-mentioned protective cover will undertake multiple portions of above-mentioned lower cover The border of part covers.

Moreover it is preferred that by above-mentioned protective cover relative to above-mentioned switch by front action dismounting.

Moreover it is preferred that there is above-mentioned switch leaf spring to construct, above-mentioned protective cover is fixed by above-mentioned leaf spring construction To on above-mentioned switch.

Moreover it is preferred that there is above-mentioned protective cover finger to hook depression.

Moreover it is preferred that above-mentioned switch has the replacing period indication mechanism of filter cylinder, above-mentioned protective cover is cut above-mentioned Parallel operation is covered with the boundary portion of above-mentioned replacing period indication mechanism.

Moreover it is preferred that above-mentioned protective cover is the shape of the thin-walled along above-mentioned switch external surface shape.

Moreover it is preferred that above-mentioned protective cover and above-mentioned switch are watertight sealed.

Moreover it is preferred that enabling the guttation cap that raw water flows out removably installed in the above-mentioned raw water of above-mentioned switching valve On water-discharge portion.

Moreover it is preferred that above-mentioned protective cover has water purification guttation hole.

The present invention can play following good effect by said structure.That is,

As water purifier has switch and filter cylinder, the switch has the switching valve of switching raw water stream, the filter Cylinder is connected on above-mentioned switch, by raw water filtration；The water purifier has protective cover, and the protective cover removably can be equipped To on above-mentioned switch, so by protective cover is pulled down cleaning, switch can be arranged under the original state on faucet By the inboard of switch（Lower section）Dirt cleaning.

Further, since the lower section of above-mentioned switch is covered by above-mentioned protective cover, and then, above-mentioned protective cover has raw water guttation The opening that can be inserted, thus it is possible to not make to protect the inboard of switch by the raw water shape disorder that switch is formed.

Further, since the lower section of above-mentioned switch is covered by above-mentioned protective cover, and then, above-mentioned protective cover has and forms raw water The discharge opening of guttation shape, so, the inboard of switch is not only, raw water discharge opening can also be cleaned.

Further, since the top layer of above-mentioned switch is made up of multiple parts, above-mentioned protective cover is by above-mentioned multiple parts The part covering on the border of two at least adjacent parts, so, prevent dirt from accumulating in border.

Further, since above-mentioned multiple parts include the lower cover for covering at least raw water water-discharge portion periphery of above-mentioned switching valve, Border of the above-mentioned protective cover at least by above-mentioned lower cover with other the above-mentioned multiple parts adjacent to above-mentioned lower cover covers, so, prevent Only border is accumulated in the switch inboard dirt for being particularly difficult to clean.

Further, since above-mentioned lower cover is made up of multiple parts, above-mentioned protective cover will undertake multiple parts of above-mentioned lower cover Border covers, so preventing dirt from accumulating to the inboard multiple borders of switch.

Further, since by above-mentioned protective cover relative to above-mentioned switch by front action dismounting, so operation compared with Easily.

Further, since there is above-mentioned switch leaf spring to construct, above-mentioned protective cover is fixed to by above-mentioned leaf spring construction State on switch, so the abrasion of protective cover when preventing the dismounting that protective cover is repeated.

Further, since there is above-mentioned protective cover finger to hook depression, so finger is easily hooked on protective cover and carries out Dismounting.

Further, since above-mentioned switch has a replacing period indication mechanism of filter cylinder, above-mentioned protective cover is by above-mentioned switch Cover with the boundary portion of above-mentioned replacing period indication mechanism, so preventing dirt from accumulating to dirt the border easily accumulated.

Further, since above-mentioned protective cover is the shape of the thin-walled along above-mentioned switch external surface shape, so protective cover Become the shape with switch one, can keep attractive in appearance.

Further, since above-mentioned protective cover and above-mentioned switch are watertight sealed, so prevent in protective cover and switch Between produce mould or incrustation scale.

Further, since enabling the guttation cap that raw water flows out removably installed in the above-mentioned raw water water-discharge portion of above-mentioned switching valve On, so being not only protective cover, the raw water discharge opening that raw water flows out also can be cleaned, raw water can wholesomely be kept.

Further, since above-mentioned protective cover has water purification guttation hole, it is possible to switch, raw water and water purification are wholesomely protected Hold.

Description of the drawings

Fig. 1 is the outward appearance front view of the water purifier of present embodiment.

Fig. 2 is the front longitudinal section of the switch of present embodiment.

Fig. 3 is the horizontal cross of the switch of present embodiment.

Fig. 4 is the side longitudinal section of the switch of present embodiment.

Fig. 5 is the upward view of the switch of present embodiment.

Fig. 6 is the underside perspective view of the switching valve of present embodiment.

Fig. 7 is the top view of the switching valve cap of present embodiment.

Fig. 8 is the guttation cap axonometric chart of present embodiment.

Fig. 9（a）It is to represent that the guttation cap in the state of the protective cover of present embodiment is pulled down installs bowing for starting position View, Fig. 9（b）It is Fig. 9（a）When upward view, Fig. 9（c）Be represent the protective cover of present embodiment pulled down in the state of The upward view of guttation cap installation position.

Figure 10（a）It is the switch right side view of present embodiment, Figure 10（b）It is to represent in Figure 10（a）In be mounted with to tell The right side view of the state of water cap.

Figure 11 is the protective cover axonometric chart of present embodiment.

Figure 12 is the lower face side axonometric chart of the switch of the protective cover for being mounted with present embodiment.

Figure 13 is the right side view of the switch of the protective cover for being mounted with present embodiment.

Specific embodiment

Hereinafter, by taking faucet direct linkage type water purifier as an example, referring to the drawings while illustrating embodiments of the present invention Example.

In the present invention, via seal member or by press-in, will link between multiple parts of contact, only will pass through Linking portion and state that raw water and water purification can not come and go is referred to as watertight, it is also possible to beyond having linking portion on corresponding component Hole.In addition, the present invention is not limited to embodiment shown below, or the switch to fixed placement type water purifier Using embodiment etc., as long as the purpose of the invention described above can be reached just can be with.

Additionally, with regard to embodiments of the present invention, switch 2 can be being read with the replacing period indication mechanism of filter cylinder Direction be arranged on faucet in the state of, by the face of operator side be referred to as before, will from terms of operator right side be referred to as right side Face, from terms of operator will be referred to as left surface in left side, the face farthest away from operator will be referred to as the back side, in this condition by fire hose rostral Referred to as pond side is referred to as lower surface by upper surface.Additionally, operator side is referred to as front.

First, the overall structure of embodiments of the present invention is illustrated.

The outward appearance front view of the water purifier 1 of embodiments of the present invention is denoted as in FIG.Water purifier 1 is by switch 2nd, the filter cylinder 3 for filtering that is connected on switch 2, and protective cover 4 that the lower section of switch 2 is removably covered constitute.

Switch 2 is fixed on the front end of faucet by installing nut 11, as shown in Figure 2, is had：Switching valve 12；On Cover 13 and lower cover 14, switching valve are clipped about 12 and are covered, be mutually clamped；Switching lever 15, is connected with switching valve 12, is located at The side of upper cover 13 and lower cover 14；Guttation cap 17, is connected on the raw water water-discharge portion of switching valve 12.

Switching valve 12 be the raw water that will be supplied water from faucet stream switching valve, the raw water root entered in switching valve 12 According to the anglec of rotation of switching lever 15, spued with raw water direct current, raw water spray, any one form supplied to the raw water of filter cylinder 3.

Through the raw water after switching valve 12 from the guttation cap 17 being removably mountable on the raw water water-discharge portion of switching valve 12 To outside discharge.Guttation cap 17 has the shape of raw water direct current discharge opening and raw water spray discharge opening, raw water direct current and raw water spray Shape is formed by guttation cap 17.

Here, the switch 2 of present embodiment, it is meant that filter cylinder 3 and protective cover 4 are removed, is made on faucet Assembly.

Switch 2 is used due to being arranged on faucet front end, so the dirt rebounded from pond in water flowing is easily attached In inboard.The switch 2 of present embodiment is due to having at least by the protective cover 4 of the lower section covering of switch 2, so having Cleaned by protective cover 4 is pulled down, switch 2 can be arranged on the inboard of switch 2 under the original state on faucet Dirt cleaning effect.Here, so-called lower section, refers to the scope that can be showed with accompanying drawing when being represented with upward view.

In general, in faucet direct linkage type water purifier, the discharge that can select raw water is direct current shape and shape spray Type is more, and the discharge opening of raw water direct current shape and raw water shape spray is generally located on the lower surface of switch.

Therefore, if being arranged on faucet and using during length, in pond, rinse water or detergent etc. are rebounded, dirty Thing or biomembrane are blocked in the hole of raw water spray, have the problem of flow reduction.Additionally, foreign body also in water channel pipe arrangement is from cutting Parallel operation side is blocked in the problem in the hole of raw water spray.

In patent documentation 2, recording can be by raw water outlet nozzle（Guttation cap）The construction pulled down and clean.But It is, as the box cover vertical profile on the outside of switching valve being split, raw water outlet nozzle to be screwed up on the pin thread of respective downside, So need by box cover in front and back, switching valve and raw water outlet nozzle, this 4 parts precisions shape assembling well so that There will not be the problem of the yield rate step-down of formed products from raw water outlet nozzle leak.Furthermore, it is necessary to by 4 parts water-tightly Assembling, the problem for having the assembling after cleaning difficult.

In the JP 2008-173538 publication as patent documentation, record what box cover was split in the vertical direction Scheme.But, have and hit against in the lower torso of the downside of box cover, switching valve and raw water spray discharge opening（Guttation cap）This 3 portions The adjustment of part, is not reaching to Resolving probiems.

In the present invention, in view of problem as described above, as shown below, using the teaching of the invention it is possible to provide can be by removable guttation cap The water purifier constituted with the combination for holding easy-to-assemble two parts.

In the present embodiment, cleaned due to pulling down guttation cap 17, it is possible to raw water spray will be blocked in Dirt in many spray apertures of discharge opening is removed, recovers flow.Product were due to carrying out spray apertures from the outside of product in the past Cleaning, so allow to temporarily eliminate the blocking in hole, is trapped in than the top trip of spray apertures, so having due to due to blocking The problem for blocking again.In the present embodiment, by pulling down guttation cap 17, will be trapped in than spray apertures blocking by the upstream The reason for rinse removing completely, be greatly reduced can the Frequency of clogging.

In the present embodiment, guttation cap 17 is connected in switching valve 12.In the conventional structure in lower cover 14 In making, in order to prevent raw water from spilling between part, need to improve at least 3 parts of switching valve 12, lower cover 14 and guttation cap 17 Forming accuracy, carry out at least positioning of 3 parts after install be consequently formed watertight state.In this regard, in the present embodiment, only Watertight state is formed by guttation cap 17 and 12 both parts of switching valve, the yield rate for there are formed products improves this point and easy shape Into the advantage of watertight state.

In the present embodiment, two kinds of discharge openings of raw water direct current and raw water spray are provided with guttation cap 17.Raw water master To use in wash dishes, have the raw water direct current that the impetus is rinsed more suddenly and the raw water of once flushing on a large scale is sprayed The trend that differentiation is used, so for water purifier is also required that with various discharge forms.Due to being provided with various on guttation cap 17 Switch 2, it is possible to the discharge opening of all categories is cleaned, more hygienic can be maintained by discharge opening.

For switch 2 is illustrated using Fig. 1 to Figure 13.

Upper cover 13 is in the liquid crystal display 16 with front center with the replacing period for representing filter cylinder 3（The replacing period of filter cylinder Indication mechanism）.

Lower cover 14 has the opening that can be inserted raw water near central authorities.

Switching valve 12 has raw water inlet portion 21 in upper end, has raw water water-discharge portion 51 in lower end.The raw water of switching valve 12 Water-discharge portion 51 is dual drum as shown in Figure 6, with the bayonet socket for dismounting guttation cap 17 on the outer wall of outside cylindrical Groove 52.It is provided with by the raw water direct current stream 53 constituted on the inside of inside cylindrical, and circle between inside cylindrical and outside cylindrical The raw water formed on annulus sprays the stream of the two raw waters discharges of stream 54.It is installed with the periphery of inside cylindrical Inner side O-ring 55, is installed with outside O-ring 56 on the periphery of outside cylindrical.

Then, guttation cap 17 is illustrated.

Guttation cap 17 as shown in Figure 8, the side 72 with circular bottom surface 71, the inner side connected from the bottom surface of substantially annulus Side 73 with outside, and the knob 74 of doctor-like that smoothly connects of the side 73 from circular bottom surface 71 and outside.Telling In water cap 17, the knob 74 with finger hook portion is provided with the outer circumferential side of guttation cap 17, the finger hook portion hangs up at least 1 Root finger, is pushed by the peripheral direction to guttation cap 17, can be rotated guttation cap 17.Guttation cap can reliably be turned It is dynamic, the dismounting of guttation cap 17 can be made to become easy and reliable.Knob 74 can both be the shape connected from the side 73 in outside, Can also be the shape from the connection of circular bottom surface 71, preferably be located at the outer circumferential side of guttation cap 74.

The convex portion 75 of bayonet socket is provided with the inwall of the side 73 in outside.Guttation cap 17 is by making the convex portion 75 of bayonet socket Bayonet slot 52 along switching valve 12 is moved, on the raw water water-discharge portion 51 of the switching valve 12 as dual drum. Now, the side 73 in outside is water-tightly connected with outside cylindrical via the outside O-ring 56 of switching valve 12, forms raw water spray stream Road 54.Many holes are equipped with ring-type on the circular bottom surface 71 of guttation cap 17, are for raw water is spued with shape spray Raw water sprays discharge opening.

Side 72 on the inside of the ratio of guttation cap 17 is in the inner part via the inner side O-ring 55 and inside cylindrical watertight of switching valve 12 Ground connection, is the raw water direct current discharge opening for forming raw water direct current stream 53, raw water is spued with direct current shape.

Knob 74 has leaf spring 76 and the fixing groove 77 for fixing protective cover 4.By by protective cover 4 to switch 2 The retaining lugs 82 arranged on the face of abutting is embedded in the fixing groove 77 of guttation cap 17, protective cover 4 can be fixed to switching On device 2.The fixing meanss of protective cover 4 are not only convex and recessed, or convex portion and by convex portion hook etc., as long as can fix Shape just can be not specifying.

Leaf spring 76 can also not have, but by making the front of fixing groove 77 be leaf spring 76, by 4 repeated disassembled and assembled of protective cover In the case of, compared with the shape for not having leaf spring 76, retaining lugs 82 is difficult to be reamed, and has and can remain that protective cover 4 is solid longlyer The fixed effect to the power on switch 2.

As long as just can be with switch 2 for fixing groove 77 that protective cover 4 is fixed on switch 2, and differ Surely need to be located on guttation cap 17.In the present embodiment, raw water direct current and raw water spray to be formed due to being provided with guttation cap 17 The hole of the shape of pouring, so by installing and using guttation cap 17, adjust raw water shape.Due to be provided with guttation cap 17 for The fixing groove 77 protective cover 4 being fixed on switch 2, so protective cover 4 is not installed under 17 uninstalled state of guttation cap, Be prevented from guttation cap 17 forgets installation.

The thickness of the hair of general toothbrush is about 0.2mm, if so raw water to be sprayed the aperture of the spray apertures of discharge opening Be designed to it is bigger than 0.2mm, then with the effect easily cleaned in hole.

In addition it is also possible to knob 74 to be made the shape of the outer rim for extending to switch 2.Front end due to knob 74 is away from telling Water cap center of rotation becomes remote, so by lever principle, can be rotated guttation cap with less power.Particularly, if will pinch Handss 74 make the shape extended to front side outer rim, then become the shape being easier to operate to.If additionally, make knob 74 elongated, Then when pulling down protective cover 4 and rotate guttation cap 17, according to the anglec of rotation of guttation cap 17, can make as shown in Figure 9 to pinch Handss 74 be exposed to than switch 2 outer rim in the outer part.If the position exposed is set to the installation starting position of guttation cap 17, Then as knob 74 can be seen will be switch 2 viewed from above when, so having the advantages that easily to install guttation cap 17.Further, If to knob 74 and the addition mark of switch 2, the configuration of guttation cap 17 and switch 2 that respective mark is arranged is set to tell Installation starting position of the water cap 17 relative to switching valve 12, the then effect for also having the installation starting position for being easily found guttation cap 17 Really.

If making guttation cap 17 become more than thickness 5mm, finger is easily held or hooked, easily carry out guttation cap 17 Disassembling operations, are preferred.Particularly, it be not with bayonet socket but in the case of being installed with screw, due to handss by guttation cap 17 Refer to, so easily operate, it is more convenient.Further, since the area that contacts with finger becomes big, thus finger contact compared with It is good, pain during operation can be eliminated.

In the construction dismounted guttation cap 17 using bayonet mechanism, it is contemplated to which finger is only hooked on pinching for guttation cap 17 The situation for exerting a force, guttation cap 17 being pulled down on handss 74.Due to by bayonet slot inclined open, so only being revolved by making guttation cap 17 Turn, it becomes possible to oliquely downward pull down.In the present embodiment, bayonet slot guiding dismounting groove side in, make opening with Front 1mm or so is parallel with rotary shaft.By not being to make the rotation of guttation cap 17 while pull down towards obliquely downward, but only generally towards Guide to vertical lower section, guttation cap 17 can be made undisturbedly to drop in the handss of user.

In the present embodiment, be set to arrange knob 74 that at least 1 finger can hook on guttation cap 17, by pushing away Pressure knob 74 makes the method that guttation cap 17 rotates and dismounts, but it is also possible on the outer peripheral face of guttation cap 17 arrange plural Plane or recess, make the shape that guttation cap 17 rotates and dismounts by catching plane or recess.By forming plane or recess, obtain To the effect for being easy to grasp, easily exerting a force.

It can also be the shape that the outer peripheral face of guttation cap 17 is only formed with plane.If for example by the periphery of guttation cap 17 Section make regular hexagon, then also can be torn open with wrench or die nut etc. in the case where guttation cap 17 is firmly fastened to Unload.

In the present embodiment, the knob 74 of doctor-like is provided with, but as long as being that the shape that can be hooked finger can With, it is also possible to it is bar-like, or there is on horizontal cross-section convex portion that depression easily hooked so as to finger etc..

Additionally, in the central authorities of guttation cap 17 with concavity setting straight line, by pushing against coin in its depression and turning The method for moving the dismounting to carry out guttation cap 17 is relatively easy to, and is preferred.

In the present embodiment, bayonet socket is adopted as the method that guttation cap 17 is installed in switching valve 12, but also may be used To be installed using screw.It can also be following such mechanism：Pawl is set on guttation cap 17, in the raw water guttation of switching valve 12 Convex portion is set in 51 inner circumferential of portion, by the pawl of guttation cap 17 inside lateral bend while being inserted in raw water water-discharge portion 51, is passed through Claw hook is suspended on the convex portion of 51 inner circumferential of raw water water-discharge portion, guttation cap 17 is installed.On the contrary, or in raw water water-discharge portion 51 Periphery on arrange convex portion, while by the pawl of guttation cap 17 outside lateral bend the on one side mechanism of installation guttation cap 17.Equally, also may be used So that pawl is located on raw water water-discharge portion, the convex portion for hooking pawl is located on guttation cap 17.

On the lower surface of lower cover 14, court in the state of switch 2 is arranged on faucet is arranged on as shown in Figure 10 The depression of fovea superior, using the scope of depression as the setting scope of at least guttation cap 17 and such as Fig. 9（b）, Fig. 9（c）It is located at like that The movable range of the knob 74 on guttation cap 17.Guttation cap 17 can be stored in the range of the thickness of switch 2, can be made The lower thickness of switch 2.Even the pond for having the distance of pond and faucet narrower also can by under faucet widely The convenience for using.If additionally, by inboard（Lower surface）The hole in central authorities that depression can be inserted from raw water diametrically with The width of more than 10mm is arranged, then the space that can be entered as the finger when guttation cap 17 is dismounted.In the feelings for not having knob 74 Under condition, also due to guttation cap 17 can be held securely, so easily operating.

In the case where the construction of dismounting of guttation cap 17 is carried out using thread mechanism, in the dismounting of guttation cap 17, make Guttation cap 17 rotate a circle the above situation it is more, if so the week in the hole in central authorities that can insert in raw water of inboard depression Complete cycle is enclosed, then has detachable mounted effect.

In the case where the construction of dismounting of guttation cap 17 is carried out using bayonet mechanism, it is also possible to only in guttation cap 17 and pinch Inboard depression is set in the movable area of handss 74.In the case, with guttation cap 17 can not only being stored in switch 2 In the range of thickness, and battery case of embedded battery etc. can be stored to be not provided with inboard depression internal capacity it is larger Part in advantage, the battery is used for making the replacing period display function action of flow measurement function and filter cylinder.

If additionally, expand inboard depression re-formed between finger entrance with the both sides in the movable range of guttation cap 17 Gap, then have the advantages that can to prevent when guttation cap 17 is dismounted by clamping finger etc. between guttation cap 17 and switch 2.

Inner side O-ring and outside O-ring on the raw water water-discharge portion 51 of switching valve 12 makes switching valve due to undertaking 12 and guttation cap 17 become the effect of watertight, so being important.If it is determined that the depth of O-ring mounting groove and width, so that The inner side O-ring 55 that to present when guttation cap 17 is pulled down must be difficult to and outside O-ring 56 is pulled down, then can prevent O-ring Drop and lose.

In the present embodiment, by the periphery of O-ring is diametrically flattened, make the raw water water-discharge portion 51 of switching valve 12 Become watertight state with guttation cap 17, but it is also possible to be embedded in flat liner between raw water water-discharge portion 51 and guttation cap 17, by inciting somebody to action Liner is flattened in a thickness direction and becomes watertight state.

The rectification part for being disposed in the upstream of guttation cap 17 is needed also for the purpose.Rectification part described here, Refer to the net of the effect of the shape for undertaking finishing raw water direct current or undertake cowling panel of effect of finishing raw water spray shape etc..It is whole Stream unit is presented when guttation cap 17 is pulled down, but due to by the installation inside switching valve 12 or integrally formed, welding It is fixed in switching valve 12, so can not pull down, can prevents to lose.

The net used as the rectification part of finishing raw water direct current shape is preferably located in raw water direct current stream 53 Upstream vicinity（For example, after being close to of the raw water direct current flow export of downstream chamber 30）.If placed at upstream vicinity, then exist In the case of being entered in raw water direct current discharge opening by the dirt that pond is rebounded, dirt is not easy to attachment on the net, only by inciting somebody to action Guttation cap 17 is cleaned, it becomes possible to wholesomely maintain switch 2.

Cowling panel sprays the raw water in stream 54 by the raw water for using switch 2 and equably spreads all over guttation cap 17 On circular bottom surface 71, finishing raw water spray shape.If making cowling panel be discoid, raw water can be made in the circumference of disk Upper diffusion, it is possible to equably spread all on the circular bottom surface 71 of guttation cap 17.In addition it is also possible to by cowling panel make by Multiple holes are set to the shape of annular shape.In the state of installation guttation cap 17 is forgotten in the case of use, also due to cowling panel Itself it is spray shape, it is possible to preventing from spreading by raw water and water is surprisingly fallen on the furniture of surrounding.

In the present embodiment, the form for being clipped switching valve 12 by upper cover 13 and lower cover 14 is referred to as into switch 2, but is being cut In the case of the surface of valve 12 is changed as the top layer face for switch 2 etc., upper cover 13 and lower cover 14 it is not absolutely required to.Thus, In the case where switching valve 12 defines the downside top layer face of switch 2, it is not necessary to lower cover 14, it is located at down in the present embodiment Depression on cover lower surface can be located on the lower surface of switching valve 12.

Additionally, in the present embodiment, describe and hole, the peace of raw water can be inserted with toroidal setting in 14 central authorities of lower cover The form of dress guttation cap 17, but in the case where need not dismount guttation cap 17, as long as arranging in lower cover 14 straight with raw water Stream discharge opening or the corresponding discharge opening of raw water spray discharge opening just can be with, are that what kind of form such as gap, net can.

Switch 2 is then easily made if resin forming product, relatively inexpensive.As resin material, it is possible to use polyphenyl second Alkene or AS resins（Acrylonitrile-styrene resin）, Merlon, acrylic resin, polyethylene, ABS resin（Acrylic nitrile-butadiene Styrene resin）, polypropylene etc..Particularly, the switching valve 12 for carrying out the switching of stream has sealing mechanism, due to anti- Operation is switched over again, so the POM that forming accuracy is preferable, rub resistance is stronger（Polyoxy methylene, polyacetals）It is preferred.Upper cover 13rd, lower cover 14, switching lever 15, guttation cap 17 are the parts for undertaking outward appearance, more with the holding section of miscellaneous part, so shaping Precision and formability is good, glossiness ABS resin is preferred.

Then, protective cover 4 is illustrated.

Protective cover 4, as Figure 11, Figure 12, Figure 13, is the part from the lower surface of switch 2 along the thin-walled of side, Removably it is equipped on switch 2.So-called thin-walled, refers to below resin thickness 2mm.By becoming and 2 one of switch Shape, can keep attractive in appearance.

In the case where the top layer of switch 2 is made up of multiple parts, by by least adjacent two in multiple parts The part protective cover 4 on the border of part is covered, and prevents border dirty, and maintenance can be made to become light.That is, due to by switch 2 side covers, it is possible to the border by upper cover 13 with lower cover 14 covers, with preventing from easily accumulating dirt by switch 2 Accumulate the effect of dirt on the border of thing, difficult cleaning of upper cover 13 and lower cover 14.Equally, it is made up of multiple parts in lower cover 14 In the case of, covered by the border protective cover 4 of the multiple parts by lower cover 14 is undertaken, have the effect for preventing border dirty.

Equally, as in the present embodiment, if by adjacent parts upper cover 13 multiple with the border of liquid crystal display 16 etc. Mutual border protective cover 4 is covered, then can reduce the position that foreign body or dirt easily accumulate, wholesomely can use.

If by protective cover 4 make not by before switch 2, the back side, left and right side in one side cover shape, Then only by the action in the horizontal direction of protective cover 4 can just be dismounted, more simply.If made not by the back side of switch 2 The shape of covering, then become the construction by pulling down protective cover 4 to the direction drawing before switch, can make guarantor Being designed to for shield 4 is symmetrical, it is possible to being formed attractive in appearance.

Convex portion 83 is hooked due to being provided with finger on the lower surface of protective cover 4, so there is finger to be easily hooked on protective cover 4 Effect that is upper, easily pulling to front.Just can be also may be used as long as finger hook 83 finger of convex portion is easily hooked on protective cover 4 To be formed by depression.

Protective cover 4 have if resin forming product, then easy making, it is relatively inexpensive, and to during 2 repeated disassembled and assembled of switch Damage less advantage.As resin material, it is possible to use polystyrene or AS resins（Acrylonitrile-styrene resin）, poly- carbon Acid esters, acrylic resin, polyethylene, ABS resin（Acrylonitrile-butadiene-styrene resin）, polypropylene etc..Due to protection Cover 4 is thin-walled, so if being imbued with the polypropylene of flexibility, being then hardly damaged, being preferred.If additionally, using ABS trees Fat, then have the decoration such as coating or coating, printing advantage easy to perform.

The shape of the protective cover 4 of present embodiment in 4 central authorities of protective cover only providing holes 81, by being located on switch 2 Raw water direct current discharge opening or raw water spray discharge opening form raw water shape, but it is also possible on protective cover 4, have raw water direct current to spue Mouth and raw water spray discharge opening.In the case, protective cover 4 has the function of standby guttation cap 17 concurrently.Bottom surface with substantially annulus, From the medial surface and lateral surface of bottom surface connection, water-tightly it is connected with the raw water water-discharge portion 51 of switching valve 12.It is disgusting corresponding to being not required to Water cap 17, can be constituted cheaply.Further, since cleaning part is less, so the maintenance for having user also becomes easily advantage, It is preferred.

In the present embodiment, employ the plate that protective cover 4 is slidably mounted on switch 2, is fixed to guttation cap 17 Form in the fixing groove 77 of 76 inboard of spring, but in addition, it is also possible to used centered on the raw water water-discharge portion 51 of switch 2 Screw or bayonet socket are installed on switch 2 from below, it is also possible to using commercially available screw or be bolted on switch 2.This Outward, it is also possible to which the protective cover 4 for being installed with the band of the raw material for having retractility using rubber etc. is fixed to into switch 2 using band On.Pawl can also be set on a side of protective cover 4 and switch 2, convex portion is set on the opposing party, make pawl bending and install and protect Shield 4 and switch 2, claw hook are suspended on convex portion and are fixed.

The dismounting direction of protective cover 4 is if front then easily operates, but if being set to substantially vertical direction, even then The narrower pond of depth also easily can dismount, and be preferred.In general, raw water water-discharge portion 51 is in the downside of switch 2 Arranged with the cylindrical shape extended to vertical lower section.In the case, due to axial direction and the dismounting of protective cover 4 of raw water water-discharge portion 51 Direction is almost parallel, it is possible to making to be located at the hole 81 that can be inserted raw water in 4 central authorities of protective cover and raw water water-discharge portion 51 Gap diminishes.Compared with the situation for pulling protective cover 4 to front and dismounting, enough scopes protected by protective cover 4 are enable that Become big.

If making to become watertight state between protective cover 4 and switch 2, it is prevented from because accumulating in protective cover 4 and cutting Mould or incrustation scale that water or dirt between parallel operation 2 brings etc., so be preferred.If arranging osculum on protective cover 4, Draining can be also carried out in the case where water is entered between protective cover 4 and switch 2, be preferable.

According to present embodiment, using protective cover 4 is made cheaply of a part, only by a direction action just The shape that can be dismounted.On the other hand, if plural part being hinged etc., making protective cover 4 keep being opened and closed work( Can, then with can by the face of the switch 2 that can not be completely covered from the protective cover 4 to a direction action, such as whole face cover, It is free to select the advantage of protection zone.

In the case where switch 2 to be made substantially cylindrical shape, protective cover 4 is also made there is the big of female thread in inner side Cause drum, if be installed on the pin thread being located on the periphery of switch 2, can be compact and protection is strongly installed Cover 4.

Inside that filter cylinder 3 is stored to switch 2 etc., switch 2 be from faucet installation site to rear side it is longer Shape in the case of, it is also possible to protective cover 4 is made to the embedded shape of the rear side of switch 2.In the case, have The advantage that only by protective cover 4 is pulled down, just the dirt of the handss not readily accessible back side and rear side lower surface can be cleaned.

Protective cover 4 can also be the construction installed to filter cylinder 3.The side of switch 2 is located in filter cylinder 3 as shown in Figure 1 for example In the case of side, it is also possible to make arrange on the side of filter cylinder 3 multiple convex portions, by protective cover 4 be hooked on convex portion and fix, The shape that the lower section of switch 2 is covered.Equally, it is also possible to replace convex portion and flange or pawl are set.

In the case where filter cylinder 3 to be stored to the inside of switch 2 etc., the feelings of water purification discharge opening are set on switch 2 Condition is more.By being not only the discharge opening of raw water, also setting up the discharge opening of water purification, the lower surface of switch 2 can integrally be used Protective cover 4 is covered and is protected.

As in the present embodiment for the purpose of to be covered by the lower section of switch 2 in the case of, it is also possible to The construction that lower cover 14 can be dismounted from switching valve 12 is made, makes lower cover 14 that there is the function of protective cover 4.Can also be by lower cover 14 Constituted with multiple parts, the part including 51 periphery of raw water water-discharge portion for most wanting wholesomely to maintain is made the structure that can be dismounted Make.The discharge opening for forming raw water shape can also be located in switching valve 12, it is also possible to arrange guttation cap 17.In addition it is also possible to logical Cross and the discharge opening for forming raw water shape is located at into the lower cover with protective cover function or the lower cover including 51 periphery of raw water water-discharge portion A part on, make lower cover 14 that there is the function of protective cover and guttation cap.Which kind of can reduce structure member in the case of, With the effect that water purifier can be made cheap and compact.

Can also extend, be hooked into lower cover by the higher resin formation of the retractilities such as silicon of protective cover 4, by protective cover 4 Fixed construction on 14 periphery.If setting can be fixed to such as cylinder on the raw water water-discharge portion 51 of switching valve 12 etc. Fixed molded component, the outside of fixed molded component is formed with silicones, then can make the positioning of protective cover 4 and install transfiguration Easily.Additionally it is possible to the elongation mode for eliminating silicones protective cover 4 is poor, the worry that makes raw water shape disorderly.Further, such as The outside of guttation cap 17 is formed by fruit with silicones, then can make protective cover 4 and guttation cap 17 as 1 part.Have The advantage that once can be cleaned.

Present embodiment is affected, easily can be implemented from the dirt rebounded from pond to protect the inboard of switch 2 But it is also possible to be protective cover 4 by the connection of faucet and switch 2 for the purpose of the cleaning of the part of the inboard in switch 2 The form that portion covers.

In the connecting portion of faucet, installation nut 11,2 corresponding faucet of switch and switch 2, part is mutual Gap is concavo-convex more.Dust or food stains etc. easily accumulate in gap or depression, and conventional product have necessary frequent ground clear The problem washed.If protective cover 4 is the form for covering the connecting portion of faucet and switch 2, by only tearing open protective cover 4 Lower cleaning, it becomes possible to simply maintain 2 health of switch and aesthetically.For example, if by protective cover 4 with 1 it is relatively thin into Shape product make, and using the coniform such shape for being wound as cutting away front end, then dismounting is easier to, and due to opening Cleaning, so there is easy-to-use advantage.If additionally, make for the doughnut type in cavity to be divided into ring-type as half Cover, then can make highly relatively low protective cover 4.Only washed with water by being prevented from dust or food stains etc. as described above It is difficult to the dirt for removing, it becomes possible to simply maintain switch 2 for health and attractive in appearance, and if also making faucet and protective cover 4 connecting portion has sealing, then can also suppress the generation of incrustation scale, is preferred.

Equally, in conventional product, upper cover 13 is also had with the border of liquid crystal display 16 and easily accumulate foreign body or dirt, is difficult to The problem of cleaning.In the present embodiment, protective cover 4 is arranged under switch 2 for the purpose of the inboard protection of switch 2 Side, but it is also possible to make embedded by slip and be arranged on above the upper surface of switch 2, protect the upper surface of switch 2 Shape.

Additionally, as protective cover 4, liquid crystal display periphery is also covered by using the thin film bigger than liquid crystal display, can Prevent foreign body or dirt from accumulating, realize the product of easily cleaning.Thin film can also be pasted multilamellar, by the top if dirty Thin film peel off and make which attractive in appearance, but if using the thin film of raw material being easily attached in upper cover 13 or stripping can be sticked Thin film with bonding agent for falling etc., can just clean, paste again and reuse once dirty, then cheap and bring rubbish Cut down, so being preferred.

As long as the purpose that is dirty, making cleaning simplicity that protective cover 4 reaches prevention switch 2 just can be to be not limited to The form of such as formed products, or sticking film or the form for silicone rubber being stretched and being wound.

In addition, if the material of easy non-sticky liquid used in protective cover 4 or enforcement hydrophobic coating, can Make protective cover 4 that itself there is anti-fouling effect and the effect easily cleaned.If additionally, implementing antimicrobial coating or anti-using being mixed into The resin of microbial inoculum, then be also difficult to producing strains in the case where scar is carried by cleaning repeatedly, itself can defend protective cover 4 The Radix Rehmanniae is used.Further, by make protective cover 4 have coloring or design, additionally it is possible to additional water purifier itself it is attractive in appearance.

In the present embodiment, liquid crystal display has been recorded in the indication mechanism in the replacing life-span of filter cylinder, but in addition Can also be that calendar such as shows at the mechanism.

In the present embodiment, the part in switching valve 12 is removably mounted to as by guttation cap 17, having made will The structure that the shape of raw water direct current or raw water spray is formed by guttation cap 17, even if be not provided with guttation cap 17, raw water is straight The structure that the shape of stream and raw water spray is formed by lower cover 14, it is also possible to obtain the effect of protective cover 4.

According to present embodiment, the discharge opening of raw water is provided with guttation cap 17, but for water purification discharge opening can also be answered With, and then, if the form for being provided with the discharge opening of both raw water and water purification is also preferred.Can also be by the discharge opening of raw water Arranged with single part with the discharge opening of water purification, but if being a part, then relatively inexpensive, user also can be once in addition By both cleanings of raw water discharge opening and water purification discharge opening, so convenience is higher.

Industrial applicability

The present invention is not limited to water purifier, for water bolt with direct current shape guttation or shape spray guttation etc. can also be answered With, but its range of application is not limited to these.

Description of reference numerals

1：Water purifier

2：Switch

3：Filter cylinder

4：Protective cover

11：Nut is installed

12：Switching valve

13：Upper cover

14：Lower cover

15：Switching lever

16：Liquid crystal display

17：Guttation cap

21：Raw water inlet portion

22：Raw water entrance

23：Switching valve cap

24：Valve body

25：Valve body spring

26：Camshaft

27：Lid

28：Raw water inflow entrance

29：Upstream chamber

30：Downstream chamber

31：Connected entrance

32：Zoning wall

33：Cam

34：Clatter stops（クリックストップ）Mechanism

51：Raw water water-discharge portion

52：Bayonet slot

53：Raw water direct current stream

54：Raw water sprays stream

55：Inner side O-ring

56：Outside O-ring

71：Circular bottom surface

72：The side of inner side

73：The side in outside

74：Knob

75：The convex portion of bayonet socket

76：Leaf spring

77：Fixing groove

81：Hole

82：Retaining lugs

83：Finger hooks convex portion.

Claims (10)

1. a kind of water purifier, with switch, filter cylinder and protective cover, the switch have the switching valve of switching raw water stream and The raw water discharge opening of the raw water guttation shape of raw water direct current and raw water spray is formed, the filter cylinder is connected on above-mentioned switch, By raw water filtration, the protective cover can removably be provided to the lower section at least covering above-mentioned switch on above-mentioned switch, institute State water purifier to be characterised by,

Raw water of the above-mentioned switch by the raw water of importing with raw water direct current, raw water spray and to above-mentioned filter cylinder supplies these three guttations Any one form in form spues,

Above-mentioned protective cover has above-mentioned raw water direct current and the overall single opening that can be inserted of above-mentioned raw water spray,

The top layer of above-mentioned switch is made up of multiple parts, and above-mentioned protective cover is by least adjacent two in above-mentioned multiple parts The part covering on the border of part,

By making above-mentioned protective cover relative to above-mentioned switch to the action of operator side, above-mentioned protective cover can be pulled down.

2. water purifier as claimed in claim 1, it is characterised in that

Above-mentioned multiple parts include the lower cover for covering at least raw water water-discharge portion periphery of above-mentioned switching valve, and above-mentioned protective cover is at least Border of the above-mentioned lower cover with other the above-mentioned multiple parts adjacent to above-mentioned lower cover is covered.

3. water purifier as claimed in claim 2, it is characterised in that

Above-mentioned lower cover is made up of multiple parts, and the border for undertaking multiple parts of above-mentioned lower cover is covered by above-mentioned protective cover.

4. water purifier as claimed any one in claims 1 to 3, it is characterised in that

There is above-mentioned switch leaf spring to construct, and above-mentioned protective cover is fixed on above-mentioned switch by above-mentioned leaf spring construction.

5. water purifier as claimed any one in claims 1 to 3, it is characterised in that

There is above-mentioned protective cover finger to hook depression.

6. water purifier as claimed any one in claims 1 to 3, it is characterised in that

Above-mentioned switch has a replacing period indication mechanism of filter cylinder, and above-mentioned protective cover is by above-mentioned switch and above-mentioned replacing period The boundary portion of indication mechanism is covered.

7. water purifier as claimed any one in claims 1 to 3, it is characterised in that

Above-mentioned protective cover is the shape along above-mentioned switch external surface shape, the thickness with below 2mm.

8. water purifier as claimed any one in claims 1 to 3, it is characterised in that

Above-mentioned protective cover and above-mentioned switch are watertight sealed.

9. water purifier as claimed any one in claims 1 to 3, it is characterised in that

The guttation cap that raw water flows out is enable removably to be arranged on the above-mentioned raw water water-discharge portion of above-mentioned switching valve.

10. water purifier as claimed any one in claims 1 to 3, it is characterised in that

Above-mentioned protective cover has water purification guttation hole.