CN206660751U - A kind of element kit being convenient for changing and application have the water purifier of the element kit - Google Patents

Abstract

The utility model discloses a kind of element kit being convenient for changing, including filter core module, upper lid and handle, the upper lid is arranged on the top of the filter core module, and the handle can be rotatably arranged on lid, the upper lid has relative first end and the second end, it is characterised in that：Jack is offered in the first end of the upper lid, be provided with the upper lid it is being driven by the rotation of handle, can be reached from jack outside upper lid and be retracted into the latch in upper lid from jack.Also disclosing a kind of application has the water purifier of above-mentioned element kit.By the way that handle and upper lid are rotatablely connected, upper lid and filter core module, so that handle when rotating can synchronous drive be used to move with the latch that the inner housing of water purifier coordinates, it is the connection and dismounting that element kit and inner housing can be achieved so as to a step swing handle, it is easy to operate, simple in construction, space-consuming is smaller.

Description

A kind of element kit being convenient for changing and application have the water purifier of the element kit

Technical field

A kind of water purification field is the utility model is related to, especially a kind of element kit being convenient for changing, and application have this The water purifier of element kit.

Background technology

The mounting means of traditional plug-in filter element of water purifier mainly has：The first is left rotation and right rotation, and then pulled down is filtered Core, until buckle disengages, filter core could be taken out；Second is first to move filter core to certain angle, then left rotation and right rotation, down Filter core is pulled, until buckle disengages, takes out filter core.A kind of filter as disclosed in the Chinese patent of Application No. 201520257242.9 Core pedestal and filter core, filter core pedestal include inverted bottle cap type body, interior buckle, locating convex block and circular bullet are provided with body Pearl；Filter core includes upper end cover, the filter paper tube filler of bottom end cover and fixation therebetween, and cylindrical face out of bottom end cover is provided with outside Boss, inner circle is inward-facing to be provided with inner convex platform, and positioning hole is provided with inner convex platform.Filter core is rotated, makes the evagination decometer of bottom end cover If entering in the interior buckle of filter core pedestal, when the upper end card of circular hoodle is set into the positioning hole of bottom end cover, rotation only stops, filter core card Gu in filter core pedestal.

It is all more inconvenient that both plug-ins change core mode, it is desirable to changes that personnel are couchant, and both hands help filter core, Ran Houzai Operated.It is same cumbersome when reinstalling, fastening structure to be aligned up and down, then to consider filter core label It is front and rear, it is then couchant that filter core is installed.If space is limited up and down for cabinet, it can also give and change the next more inconvenience of core ribbon.

If filter core exchanges mode for and used only to be needed to hold handle from top replacing filter core, operating procedure, certain angle is rotated Degree, button bit disengage, and then catch handle up one to carry, filter core can pull out；When filter core is installed, filter core only need to be inserted, by handle Cycle locked position.

The above-mentioned this mode from top filter element replacing is more easy to operation, in Application No. 201510268367.6 A kind of composite filter element disclosed in state's patent, including housing, composite filter element body, top cover and gland, there is filter core to take out on housing Mouthful, composite filter element body is located in housing and can be by filter core conveying end, and top cover is located at the top of composite filter element body, and gland can Releasably be fixed on filter core pick and place mouthful at and top cover is pressed on to the top of composite filter element body, when needing to change core, only need by Gland, top cover and composite filter element body take out install again successively；The and for example China of Application No. 201620042720.9 A kind of element kit for purifier disclosed in patent, including filter flask, integrated composite filter element and gland, one end of filter flask Open wide, gland is located at one end of filter flask, and gland includes lid and pressure ring, and lid seals one end of filter flask, and pressure ring is located at lid Side away from filter flask rotates pressure ring, water route is closed, then open pressure ring first, it is necessary to when changing integrated composite filter element, After taking-up lid, it is possible to take out integrated composite filter element and changed.

Above-mentioned this element kit, when changing, it is necessary to operate the gland outside filter element body first so that gland and filter After bottle departs from, element kit could be operated again, it is taken out out of filter flask, and be required for setting and filter core is pressed in filter flask Gland or pressure ring, thus not only need multiple steps to complete the replacing of element kit, in actual use or use can be given Family brings some inconvenience, and causes structure complex, and takes larger space.

Utility model content

First technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing one The element kit that kind is simple in construction, operation is easily convenient for changing.

Second technical problem to be solved in the utility model is to provide the water purification that a kind of application has above-mentioned element kit Device.

Technical scheme is used by the utility model solves above-mentioned first technical problem：A kind of filter core being convenient for changing Component, including filter core module, upper lid and handle, the upper lid are arranged on the top of the filter core module, and the handle can rotate Ground is arranged on lid, and the upper lid has relative first end and the second end, it is characterised in that：In the first end of the upper lid Offer jack, be provided with the upper lid by handle rotation drive, can be reached from jack outside upper lid and from jack contract The latch returned in lid.

Further, correspondingly latch can be promoted to move when rotating for ease of handle, the handle has two arms, point Do not extend from the first end of the upper lid to the second end, the end of two arms of the handle has the first pressing portion, institute respectively The first pressing portion is stated from top to bottom to tilt to first end towards the side at the second end；Corresponding with the first pressing portion position of the upper lid Put and offer through hole, the both sides of the latch, position corresponding with through hole are respectively arranged with the second pressing portion, and described second pushes Portion from top to bottom tilts towards the side of first end to first end, so as to the inclined plane of the first pressing portion and inclining for the second pressing portion Inclined-plane is bonded, so as to promote the second pressing portion to be moved up in the line side at first end and the second end during the rotation of the first pressing portion.

Further, easily to realize the rotation connection of handle and upper lid, connecting rod, the company are provided with the upper lid The both ends bending of bar is stretched out from through hole upwards, and the both ends of the connecting rod rotate with the end of two arms of handle connect respectively Connect.

Preferably, the latch includes bolt body and tongue, and the tongue is adapted to the jack of upper lid, the latch master The size of body is more than jack, and the tongue keeps reaching the trend outside upper lid from jack.

Further, for ease of providing the prompting of handle operation position to user, it is additionally provided with the bolt body It is multiple interior for housing steel to recessed groove, groove arranged for interval on the moving direction of bolt body, the groove Pearl, the steel ball keep down the trend moved into groove.

Technical scheme is used by the utility model solves above-mentioned second technical problem：One kind application has as described above Element kit water purifier, it is characterised in that：The water purifier includes inner housing, in the inner housing formed with for institute State the socket of latch cooperation.

Further, for ease of forming above-mentioned socket, the inner housing includes inner casing main body and deckboard, the inner casing Main body is in body structure and internally offers the accommodating cavity of multiple upper sheds, and the element kit is contained in described accommodating Intracavitary, position corresponding with each accommodating cavity is provided with cover plate opening on the deckboard, and the inner casing main body is each accommodating Chamber close to the inner side at top formed with stage portion, formed with the breach for extending upwardly from the bottom portion and being recessed on the deckboard, The breach and the top surface of stage portion, which coordinate, collectively forms the socket.

Further, to reduce the volume of inner housing as much as possible, the circumference of the cover plate opening has what is extended downwardly Cover plate perisporium, the bottom of the cover plate perisporium are less than the bottom of deckboard other parts, and the cover plate perisporium is inserted into accommodating Intracavitary with stage portion so as to coordinate, formed with the above-mentioned breach for extending upwardly from the bottom portion and being recessed on the cover plate perisporium.

Further, for avoid when changing core because forget to cut off the water supply and caused by leak, or be not mounted to after core is changed position and Leak is caused, is additionally provided with the water purifier for detecting filter check machine of the element kit with respect to the position relationship of inner housing Structure.

Preferably, the filter check mechanism includes microswitch, and the position of each microswitch is corresponding to accommodating cavity, institute State inner casing main body and perforate is offered in bottom surface corresponding to each accommodating cavity, the switch contact of the microswitch leads to outside accommodating cavity Perforate is crossed to stretch into accommodating cavity.

Compared with prior art, the utility model has the advantage of：By the way that handle and upper lid are rotatablely connected, upper lid and filter Core module connects so that handle when rotating can synchronous drive be used to move with the latch that the inner housing of water purifier coordinates, from And can a step swing handle be the connection and dismounting that element kit and inner housing can be achieved, it is easy to operate, it is simple in construction, take empty Between it is smaller.

Brief description of the drawings

Fig. 1 is the structural representation of water purifier of the present utility model；

Fig. 2 is the top cover open mode schematic diagram of water purifier of the present utility model；

Fig. 3 is the decomposition texture schematic diagram of water purifier of the present utility model；

The schematic diagram for the element kit that Fig. 4 is applied by water purifier of the present utility model；

The element kit handle erected position schematic diagram that Fig. 5 is applied by water purifier of the present utility model；

Fig. 6 is the schematic diagram of the inner housing of water purifier of the present utility model；

Fig. 7 is the decomposition texture schematic diagram of the inner housing of water purifier of the present utility model；

Fig. 8 is the inner casing main body of inner housing and the schematic diagram of filter check mechanism of water purifier of the present utility model；

Fig. 9 is the inner housing of water purifier of the present utility model and the exploded structural representation of filter check mechanism；

Figure 10 is the decomposition texture schematic diagram of the upper lid and handle of the element kit of water purifier of the present utility model；

Figure 11 is the decomposition texture schematic diagram of the handle in Figure 10；

Figure 12 is the decomposition texture schematic diagram of the upper lid in Figure 10；

Figure 13 is the exploded structural representation of the upper lid and latch in Figure 12；

Figure 14 is the structural representation of the lid of the upper lid in Figure 12.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing embodiment.

Referring to Fig. 1~Fig. 5, a kind of water purifier, including host shell 1, inner housing 2 and the filter being placed in inner housing 2 Core assembly 3, the quantity of element kit 3 can be selected according to the demand of different water purification water quality.

Host shell 1 includes the first housing 11 positioned at front side, the second housing 12 positioned at rear side and positioned at the outer of top Lid 13, the first housing 11 and the second housing 12 can be fastened and connected mutually, and enclosing cover 13 is located at the first housing 11 and the second housing 12 Between top.

Inner housing 2 includes inner casing main body 21, decoration top cover 22 and deckboard 23, inner casing main body 21 and is located at the first housing 11 In the space for fastening and being formed with the second housing 12.Inner casing main body 21 is in body structure, and the appearance of multiple upper sheds is offered in it Chamber 211 is put, so as to may be such that element kit 3 is contained in accommodating cavity 211.Decoration top cover 22 is covered in the top of inner casing main body 21, And deckboard 23 is arranged between decoration top cover 22 and inner casing main body 21.The enclosing cover 13 of above-mentioned host shell 1 is arranged on dress Adorn on top cover 22, be to be detachably connected between enclosing cover 13 and decoration top cover 22, decoration top cover 22 and deckboard 23, enclosing cover 13 With decorating the shape adaptation of top cover 22, both can be fixed by screw, so as to strengthen enclosing cover 13 by decorating the setting of top cover 22 Intensity.

Element kit 3 includes filter core module 31, upper lid 32 and handle 33, has waterway connector 311 on filter core module 31, from And may extend into outside inner housing 2 and be connected with the integrating water route plate in host shell 1 or flexible pipe, it is in fluid communication with realizing.Upper lid 32 are arranged on the top of filter core module 31, can be detachably connected or be fixedly connected between the two, and the setting of upper lid 32 can be just Active force is applied to filter core module 31 in user.

For further element kit easy to operation, handle 33 is provided with upper lid 32, handle 33 can relatively upper 32 turns of lid It is dynamic.When handle 33 is placed on downwards on upper lid 32, the latch 34 in upper lid 32 stretches out, and element kit 3 is spacing in inner housing 2 In accommodating cavity 211, referring to Fig. 4；When handle 33 rotates up, the latch 34 in upper lid 32 is retracted, element kit 3 can with it is interior Housing 2 departs from, and referring to Fig. 5, thus element kit 3 can be taken out out of inner housing 2, is changed.Upper lid 32 and handle 33 Structure will be explained below.

Referring to Figure 10~Figure 14, upper lid 32 includes pressing plate 321 underlying, for being connected with filter core module 31, with And lid 322 above, for being connected with handle 33, the side snapped connection can be used between lid 322 and pressing plate 321 Formula is attached, and both positioning can be realized by the way of locating dowel, positioning jack, to facilitate both installations.For It is easy to describe, one end that above lid 32 stretches out for latch 34 is first end, and one end is the second end to upper lid 32 on the other hand.Lid 322 first end offers jack 3221, so that latch 34 flatly extends and retracts.Latch 34 is at first end and the second end Line side moves up.

Handle 33 includes handle body 331 and handle cover 332, and handle body 331 and handle cover 332 take the shape of the letter U, so as to just Gripped in user.The lower openings of handle cover 332, and be coated on around handle body 331.In U-shaped handle body 331 Between partly in the first end of lid 322, two arms 336 of U-shaped handle body 331 extend towards the second end of lid 322, And the end of two arms 336 of handle body 331 has connecting portion 333 respectively, connecting portion 333 is respectively facing the extension of the second end Go out the first pressing portion 334, the first pressing portion 334 from top to bottom tilts towards the side at the second end to first end, the first pressing portion 334 are used to coordinate with latch 34.

Lower concave part 3222 that the top surface of lid 322 has U-shaped, being adapted to handle 33, so that when handle 33 is put down It can be flushed with the top of upper lid 32, so that element kit 3 overall appearance and does not influence filter core when being arranged in inner housing 2 The overall dimensions of component 3.Two ends, i.e. with first pressing portion 334 corresponding of the lid 322 in lower concave part 3222 towards the second end Position, offer through hole 3223 respectively, through hole 3223 is gradually inclined upwardly from first end to the second end.

Formed with cavity in lid 322, so that above-mentioned latch 34 can move in cavity, cavity can be under shed, Pressing plate 321 is arranged on the bottom of lid 322, so as to the bottom lock of cavity that will be formed in lid 322.Also have in cavity and connect Bar 35, the both ends bending of connecting rod 35 is stretched out from through hole 3223 upwards, and the both ends of connecting rod 35 are respectively arranged with bearing pin 351, Pin-and-hole 3331 is offered on connecting portion 333, bearing pin 351 is inserted into pin-and-hole 3331, so as to by handle 33 and the company of rotation of upper lid 32 Connect.Bearing pin 351 is vertical with the moving direction of latch 34 in horizontal and bearing of trend.Positioning hole 352 is offered on connecting rod 35, The inside top surface of lid 322 has extended downwardly locating dowel 3224, and locating dowel 3224 can be plugged into positioning hole 352, thus will be even The relatively upper lid 32 of bar 35 positions, and avoids connecting rod 35 from moving in the horizontal direction.

Latch 34 is placed in the bottom surface of lid 32, i.e. on pressing plate 321, including bolt body 341 and tongue 342, tongue 342 Size be less than and bolt body 341 and be adapted to the jack 3221 of lid 322, and the size of bolt body 341 is then more than and inserted Hole 3221.When latch 34 moves, tongue 342 can be reached outside upper lid 32 from jack 3221 or is retracted into from jack 3221 In lid 32.Tongue 342 keeps reaching the trend outside upper lid 32 from jack 3221, and because the size of bolt body 341 is big In jack 3221, bolt body 341 can abut with the periphery of jack 3221, to avoid latch 34 is overall from stretching out outside upper lid 32.

The both sides of bolt body 341, with 3223 corresponding position of through hole the second pressing portion 343 is respectively arranged with, second pushes away Splenium 343 is used to coordinate with the first pressing portion 334, and the second pressing portion 343 is towards the side of first end from top to bottom to first end Tilt, so as to which the inclined plane of the first pressing portion 334 and the inclined plane of the second pressing portion 343 can be bonded.When handle 33 revolves upwards When turning, the first pressing portion 334 is rotated down that (because connecting rod 35 is limited, therefore the first pressing portion 334 can only be made around bearing pin 351 Rotary motion), i.e. the first pressing portion 334 is closer to the top at the second end gradually downward, and pressing plate 321 defines the nothing of latch 34 Method moves downward, and thus the first pressing portion 334 promotes the second pressing portion 343 to the second end so that latch 34 is overall to second End movement, tongue 342 are retracted in upper lid 32.

The guide groove 3411 upwardly extended in the line side at first end and the second end is offered on bolt body 341, at this In embodiment, guide groove 3411 has parallel two, and the lead coordinated with guide groove 3411 is provided with pressing plate 321 3211, lead 3211 is upward through guide groove 3411, so as to define the mobile route of bolt body 341.Bolt body 341 The side at the second end is provided with projection 3412, projection 3412 extends towards the second end.Latch 34 also includes first and resets bullet Spring 344, the bottom surface of lid 322 are provided with the first spring base 3225, and (the first back-moving spring 344 is arranged on the periphery of projection 3412, its One end abuts with the side of bolt body 341, and the other end then abuts with the first spring base 3225.When latch 34 is in the shape stretched out During state, (the first back-moving spring 344 is nature extended configuration, and when latch 34 is retracted, (the first back-moving spring 344 is compressed so that Latch 34 keeps the trend stretched out.

It is additionally provided with bolt body 341 multiple to recessed groove 3413, movement of the groove 3413 in bolt body 341 Arranged for interval on direction, in the present embodiment, groove 3413 have three, correspond to handle 33 respectively and open, partially open completely And completely closed state.It is used to house steel ball 345 in groove 3413, second back-moving spring 346 is provided with steel ball 345, is covered The bottom surface of body 322 is provided with second spring seat 3226 extend downwardly, hollow, under shed, and second back-moving spring 346 is accommodating In second spring seat 3226, and bottom abuts with steel ball 345 so that steel ball 345, which keeps down, moves into groove 3413 Interior trend.When handle 33 is rotated down reset, latch 34 moves to first end, and steel ball 345 is gradually from close to the second end Groove 3413 is moved adjacent to the groove 3413 of first end, during steel ball 345 moves, it will sends steel ball 345 with inserting The sound that main body 341 is hit is sold, so as to prompt mode of operation of the user hand 33, if in place.

The center section of handle 33 is additionally provided with rubber blanket 335, and rubber blanket 335 extends somewhat over the bottom of handle body 331 Face, so as to which when handle 33 is rotated down reset, rubber blanket 335 can play a part of buffering, to avoid handle 33 from hitting lid 322。

Referring to Fig. 6 and Fig. 7, inner casing main body 21 is in each accommodating cavity 211 close to the inner side at top formed with stage portion 212. Be provided with cover plate opening 231 on deckboard 23 with each 211 corresponding position of accommodating cavity, the circumference of cover plate opening 231 have to The cover plate perisporium 232 of lower extension, the inner side of cover plate perisporium 232 constitute above-mentioned cover plate opening 231.The bottom of cover plate perisporium 232 Less than the bottom of the other parts of deckboard 23, cover plate perisporium 232 is inserted into accommodating cavity 211 so as to coordinate with stage portion 212. Formed with the breach 2321 for extending upwardly from the bottom portion and being recessed on cover plate perisporium 232, when cover plate perisporium 232 is inserted into accommodating cavity When in 211, cover plate perisporium 232 and stage portion 212 coordinate so that the top of breach 2321 and stage portion 212 on cover plate perisporium 232 Face, which coordinates, collectively forms socket 36, coordinates for the tongue 342 with latch 34.When handle 33 is put down, the tongue 342 of latch 34 Lid 32 in stretching and be inserted into socket 36, thus, element kit 3 is limited in inner housing 2；When handle 33 is rotated upwardly to Behind position, the tongue 342 of latch 34 leaves socket 36 and retracted in upper lid 32, thus, element kit 3 is lifted up taking off From inner housing 2.

When changing element kit 3, if forgetting Guan Shui, element kit 3 takes out, waterway connector 311 disconnects The potential safety hazard of Shi Huiyou leaks, or when the element kit 3 after by replacing reloads inner housing 2, if be fitted without In place, latch 34 is not inserted into socket 36, and waterway connector 311 does not connect effectively, opens water purifier in this case Work equally has the potential safety hazard of leak.

Therefore, in the present embodiment, filter check mechanism is provided with, it is relative with inner housing 2 for detecting element kit 3 Position relationship, as whether element kit 3 is installed in place or whether element kit 3 departs from inner housing 2 and changed after replacing. Referring to Fig. 8 and Fig. 9, filter check mechanism includes microswitch 61, and the inner casing main body of inner housing 2 is arranged on by switch bracket 62 21 outer side bottom surface, the position of each microswitch 61 are corresponding to accommodating cavity 211.Inner casing main body 21 is right in each accommodating cavity 211 The bottom surface answered offers perforate 63, and the switch contact 611 of microswitch 61 is extended into accommodating cavity 211 from perforate 63, and fine motion is opened Close 61 and the junction of perforate 63 is provided with sealing gasket 64 with inner casing main body 21, to avoid leak here.

When element kit 3 is installed in place, the switch contact 611 of microswitch 61 is pushed, triggers microswitch 61, by This microswitch 61 transmits the signal to the control module of water purifier so that the magnetic valve on water route is opened, fluid normal stream It is logical；When element kit 3 is not installed in place, or element kit 3 is changed, its bottom is first away from the bottom of accommodating cavity 211, Then the switch contact 611 of microswitch 61 is no longer pressurized, and microswitch 61 transmits the signal to the control module of water purifier, makes The closed electromagnetic valve on water route is obtained, fluid passage is cut off, so as to avoid leak.

Alternatively, filter check mechanism can be the cooperation of magnet and Hall element, or infrared induction element is matched somebody with somebody Close, now, magnet and Hall element can be such as separately positioned on handle 33 and inner casing main body 21 so that when handle 33 and inner casing When the position of main body 21 changes, or infrared emission and infrared receiver component can be arranged in the appearance of inner casing main body 21 Put the both sides of latch 34 in chamber 211 so that, can be according to the change when latch 34 stretches out or withdraws infrared signal and change Signal control magnetic valve, to reach the purpose for preventing leak.

Claims (10)

1. a kind of element kit being convenient for changing, including filter core module (31), upper lid (32) and handle (33), the upper lid (32) The top of the filter core module (31) is arranged on, the handle (33) can be rotatably arranged on lid (32), the upper lid (32) there is relative first end and the second end, it is characterised in that：Jack is offered in the first end of the upper lid (32) (3221), it is described it is upper lid (32) in be provided with by handle (33) rotation drive, upper lid can be reached from jack (3221) (32) it is retracted into the latch (34) in upper lid (32) outside and from jack (3221).

2. the element kit being convenient for changing as claimed in claim 1, it is characterised in that：The handle (33) has two arms (336), extend respectively from the first end of the upper lid (32) to the second end, the end of two arms (336) of the handle (33) There is the first pressing portion (334) respectively, first pressing portion (334) is from top to bottom inclined towards the side at the second end to first end Tiltedly；Corresponding with the first pressing portion (334) position of the upper lid (32) offers through hole (3223), and the two of the latch (34) Side, position corresponding with through hole (3223) are respectively arranged with the second pressing portion (343), and second pressing portion (343) is towards the The side of one end from top to bottom tilts to first end, so as to the inclined plane and the second pressing portion (343) of the first pressing portion (334) Inclined plane is bonded, so as to promote the second pressing portion (343) in the line at first end and the second end during the first pressing portion (334) rotation Side moves up.

3. the element kit being convenient for changing as claimed in claim 2, it is characterised in that：Connecting rod is provided with the upper lid (32) (35), the connecting rod (35) both ends bending upwards from through hole (3223) stretch out, and the both ends of the connecting rod (35) respectively with The end rotation connection of two arms (336) of handle (33).

4. the element kit being convenient for changing as claimed in claim 2, it is characterised in that：The latch (34) includes bolt body (341) it is adapted to tongue (342), the tongue (342) with the jack (3221) of upper lid (32), the bolt body (341) Size is more than jack (3221), and the tongue (342) keeps reaching the trend of upper lid (32) outside from jack (3221).

5. the element kit being convenient for changing as claimed in claim 4, it is characterised in that：Also set on the bolt body (341) Multiple to recessed groove (3413), groove (3413) arranged for interval on the moving direction of bolt body (341) is equipped with, It is used to house steel ball (345) in the groove (3413), the steel ball (345), which keeps down, to be moved into groove (3413) Trend.

A kind of 6. water purifier applied just like element kit according to any one of claims 1 to 5, it is characterised in that：It is described Water purifier includes inner housing (2), and the inner housing (2) is interior formed with the socket (36) for coordinating with the latch (34).

7. water purifier as claimed in claim 6, it is characterised in that：The inner housing (2) includes inner casing main body (21) and decoration Cover plate (23), the inner casing main body (21) is in body structure and internally offers the accommodating cavity (211) of multiple upper sheds, The element kit is contained in the accommodating cavity (211), corresponding with each accommodating cavity (211) on the deckboard (23) Position is provided with cover plate opening (231), and the inner casing main body (21) is in each accommodating cavity (211) close to the inner side at top formed with platform Rank portion (212), formed with the breach (2321) for extending upwardly from the bottom portion and being recessed, the breach on the deckboard (23) (2321) and stage portion (212) top surface coordinate collectively form the socket (36).

8. water purifier as claimed in claim 7, it is characterised in that：The circumference of the cover plate opening (231), which has, to be extended downwardly Cover plate perisporium (232), the bottom of the cover plate perisporium (232) is less than the bottom of deckboard (23) other parts, the lid Plate perisporium (232) is inserted into accommodating cavity (211) so as to coordinate with stage portion (212), on the cover plate perisporium (232) formed with The above-mentioned breach (2321) for extending upwardly from the bottom portion and being recessed.

9. water purifier as claimed in claim 7 or 8, it is characterised in that：It is additionally provided with the water purifier for detecting filter core Filter check mechanism of the component (3) with respect to the position relationship of inner housing (2).

10. water purifier as claimed in claim 9, it is characterised in that：The filter check mechanism includes microswitch (61), often The position of individual microswitch (61) is corresponding to accommodating cavity (211), and the inner casing main body (21) is corresponding to each accommodating cavity (211) Bottom surface offers perforate (63), and the switch contact (611) of the microswitch (61) passes through perforate (63) outside from accommodating cavity (211) Stretch into accommodating cavity (211).