CN206700919U - The element kit and application that are convenient for changing 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, the handle that is arranged in lid and can drive lid in the vertical direction to act, the upper lid to be arranged on the top of the filter core module, it is characterised in that：The handle is arranged in lid in which can horizontally rotate, at least one side of the upper lid is provided with chute, the chute extends from the side of upper lid to centre, be provided with the upper lid it is being driven by the rotation of handle, along slide so as to reaching outside upper lid or be retracted into the latch in upper lid.Also disclosing a kind of application has the water purifier of the element kit.By the way that handle and upper lid are rotatablely connected, upper lid is connected with 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

The element kit and application that are convenient for changing 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, the handle for being arranged in lid and driving the action of lid in the vertical direction, it is described on Lid is arranged on the top of the filter core module, it is characterised in that：The handle is arranged in lid in which can horizontally rotate, it is described on At least one side of lid is provided with chute, and the chute extends from the side of upper lid to centre, be provided with the upper lid by It is that the rotation of handle drives, along slide so as to reaching outside upper lid or be retracted into the latch in upper lid.

For ease of the relative rotation of handle and upper lid, the accommodating cavity of cylinder is offered in the upper lid, it is described handbag The handle body of cylinder is included, the handle body is inserted into accommodating cavity and bottom coordinates with latch.

For ease of driving latch straight reciprocating motion, it is recessed that the bottom of the handle body is provided with the transmission being recessed upwards Groove, the transmission groove is curved, the transmission groove from close to handle body bottom centre position radially outward and meanwhile Rotate to an angle and extend in circumference, alignment pin is provided with the inner top surface of the latch, the alignment pin is placed in described In transmission groove.

For ease of the spinning movement of prompting handle, being provided with the perisporium of the handle body has and can radially-inwardly produce Buckle, the spacing block set of certain deformation, the buckle of the buckle is outstanding, and the spacing block set is outstanding；It is described accommodating Formed with the neck with being clasped on the perisporium of chamber, the buckle corresponds to two spaced apart necks in the circumferential, and Each neck is outwards recessed, and the limited impression coordinated with spacing block set is additionally provided with the perisporium, and the limited impression is outside It is recessed and curved, arc length of the interval between described two necks in the circumferential no more than limited impression.

Preferably, drive lid, filter core module to be lifted up for ease of handle, also set up on the perisporium of the handle body Limited location projection, the spacing block set are outstanding；The limit coordinated with spacing block set is also formed with the perisporium of the accommodating cavity Position groove, the limited impression is outside and is recessed upwards, and the top surface of the limited impression is closed and can abutted with spacing block set, institute State that limited impression is curved, arc length of the interval between described two necks in the circumferential no more than limited impression.

Rotated for ease of operating handle, the handle also includes holding rod, and the handle body top surface is formed in recessed Installation groove, the holding rod are arranged on the installation groove at the top of handle body Nei and connected.

Preferably, to cause the stable connection of element kit and water purifier, the upper lid includes four side plates and is connected to Bottom plate between four side plate bottoms, so as to form the upper lid of cuboid, the chute is from the bottom up lid of each side plate Centre extension, the bearing of trend of chute is parallel with adjacent side plates corresponding to each side plate, and the transmission groove is included respectively with inserting Four corresponding to pin.

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, and the element kit is placed in inner housing, Formed with the socket for coordinating with the latch in the inner housing.

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 Cause leak, the corresponding position on the inner housing with the socket is provided with filter check mechanism.

Preferably, the filter check mechanism is infrared sensor, and the infrared sensor is arranged on the side wall of inner housing Outside, and the side indent of infrared sensor towards socket is inserted for latch.

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；

Fig. 4 is the sectional view of water purifier of the present utility model；

Fig. 5 is the structural representation of the element kit of water purifier of the present utility model；

Fig. 6 is the handle erected position schematic diagram of the element kit of water purifier of the present utility model；

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

Fig. 8 is the schematic diagram of the handle of the element kit of water purifier of the present utility model；

Fig. 9 is the schematic diagram of the upper lid of the element kit of water purifier of the present utility model；

Figure 10 is the sectional view of the upper lid and handle of the element kit of water purifier of the present utility model.

Embodiment

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

Referring to Fig. 1~Fig. 4, 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 housing body 11 and is arranged on the top cover 12 at the top of housing body 11, top cover 12 and housing master Body 11 is detachably connected.Housing body 11 is in hollow body structure, and inner housing 2 is placed in housing body 11.

Inner housing 2 has multiple, host shell 1 in arranged for interval corresponding to the quantity of element kit 3.In this implementation In example, each inner housing 2 includes the top surface from housing body 11 to the first inner casing 21 of lower recess and by the first inner casing 21 The second inner casing 22 that bottom surface extends downwardly, the bottom surface of the first inner casing 21 offer the first perforation 211, thus, the He of the first inner casing 21 Second inner casing 22 connects.Mutually it is isolated between each inner housing 2 without connecting.Thus the first inner casing 21 is in opened type, the second inner casing 22 bottom end closure.

Element kit 3 includes filter core module 31, upper lid 32 and handle 33, and filter core module 31 includes filter core 311 and filter core head 312, connection water route is integrated with filter core first 312, and also there is waterway connector 313, so as to may extend into inner housing 2 outside and with Integrating water route plate or flexible pipe connection in host shell 1, are in fluid communication with realizing.Filter core 311 is placed in the second inner casing of inner housing 2 In 22, and filter core first 312 is then placed in the first inner casing 21 of inner housing 2.Second is further opened with the bottom surface of first inner casing 21 to wear Hole 212, passed through for the waterway connector 313 of filter core module 31.In the present embodiment, the first inner casing 21 of inner housing 2 is in rectangular Body, and the second inner casing 22 is in cylinder.

Upper lid 32 is arranged on the top of filter core module 31, can be detachably connected or be fixedly connected between the two, upper lid 32 setting can be easy to user to apply active force to filter core module 31.For further element kit easy to operation, in upper lid 32 On be provided with handle 33, handle 33 can rotate in the horizontal plane relative to upper lid 32.Upper lid 32 and handle 33 are placed in inner housing 2 In first inner casing 21, shape, size and shape, the size fit of filter core first 312 and upper lid 32 of the first inner casing 21, the second inner casing 22 shape, the shape of size and filter core 311, size fit.

When handle 33 is in initial position, the latch 34 in upper lid 32 stretches out and is connected with inner housing 2, element kit 3 It is spacing in inner housing 2, referring to Fig. 5；After handle 33 rotates to an angle in the horizontal plane, latch 34 is retracted from inner housing 2 Into upper lid 32, element kit 3 can depart from inner housing 2, referring to Fig. 6, thus can take out element kit 3 out of inner housing 2, Changed.The fit structure of upper lid 32, handle 33 and latch 34 will be explained below.

Referring to Fig. 5~Figure 10, upper lid 32 includes the cover plate 321 positioned at top, the side extended downwardly from the edge of cover plate 321 Plate 322, the bottom plate 323 being connected between the bottom of side plate 322 and the pressing plate 324 for being arranged on the lower section of bottom plate 323.Thus, upper lid 32 have certain height.The centre of cover plate 321 is provided with the first circular opening 325, and the centre of bottom plate 323 is provided with circular the Two openings 326, the first opening 325 and the second opening 326 is coaxial and size is identical, from the edge of the first opening 325 to downward The edge for reaching the second opening 326 is formed for holding formed with perisporium 327, first the 325, second opening 326 of opening and perisporium 327 Put the accommodating cavity 328 of handle 33.It can be fixed between bottom plate 323 and pressing plate 324 by screw.

The bottom up depression of bottom plate 323 is formed with chute 3231, in the present embodiment, it is preferred that including four side plates 322, upper lid 32 forms cuboid, therefore chute 3231 includes corresponding four, is prolonged by the centre position of each bottom of side plate 322 Reach the edge of the second opening 326.Chute 3231 is rectangle, the bearing of trend of chute 3231 corresponding to each side plate 322 with Adjacent side plates 322 are parallel.Be provided with latch 34 between bottom plate 323 and pressing plate 324, same latch 34 is also four, shape and Size is adapted to chute 3231, and can be slided along chute 3231.Pressing plate 324 can play a part of supporting latch 34.

Latch 34 is divided to for two groups, includes two latches 34 in each group, is arranged so as to be opposite each other, extends on the same line, And there is interval in the mutually close one end of two latches 34.The overall intersecting across of two groups of latches 34.Each latch 34 with With alignment pin 341 is provided with the mutually close one end top surface of another latch 34 in group, alignment pin 341 is used to match somebody with somebody with handle 33 Close, the thus rotation of handle 33 can drive latch 34 to slide.The center of pressing plate 324, the position among four latches 34 are set The first locating dowel 342 is equipped with, for position fixing knob 33, the bottom surface of pressing plate 324 is then connected with the filter core of filter core module 31 first 312, Fixed such as by screw.

Handle 33 includes handle body 331 and holding rod 332, and handle body 331 is in cylinder, its top surface shape in recessed Into installation groove 3311, holding rod 332 is arranged in the installation groove 3311 at the top of handle body 331, the both ends of holding rod 332 It is connected with the side of the installation groove 3311 of handle body 331, so that when operation holding rod 332 rotates in the horizontal plane, can Handle body 331 is driven to rotate.Handle body 331 is inserted in the accommodating cavity 328 of lid 32, and can be rotated relative to upper lid 32 and Locking.

Flexible buckle 3312 and spacing block set 3313, buckle 3312 are provided with the perisporium of handle body 331 Buckle project radially outwardly, spacing block set 3313 projects radially outwardly, and thus spacing block set 3313 diametrically has certain Thickness.In the present embodiment, buckle 3312 has two, in the circumferential arranged for interval, and spacing block set 3313 is then arranged on Between two buckles 3312.The bottom of handle body 331, close edge are provided with the fluting 3314 being recessed upwards, slot 3314 extend in the circumferential.In the present embodiment, fluting 3314 has two, and each buckle 3312 corresponds to a fluting 3314, Buckle 3312 is arranged on the lateral wall of corresponding fluting 3314, so that certain shape can radially-inwardly occur for buckle 3312 Become.Two arranged for interval in the circumferential of fluting 3314.

It is right formed with the neck 3271 coordinated with buckle 3312, each buckle 3312 on the perisporium 327 of accommodating cavity 328 Two spaced apart necks 3271 (one group of neck) in the circumferential are answered, and each neck 3271 is outwards recessed.On perisporium 327 The limited impression 3272 coordinated with spacing block set 3313 is additionally provided with, limited impression 3272 is outside and is recessed upwards, and is in arc Shape and there is certain arc length, the top surface of limited impression 3272 closing, and bottom surface can run through the bottom surface of perisporium 327.Each group Interval between two interior necks 3271 in the circumferential is not more than the arc length of limited impression 3272.In the present embodiment, share Two groups of necks, it is corresponding with two buckles 3312 respectively.Above-mentioned chute 3231, neck 3271 and limited impression 3272 apart from one another by Arrangement.

When the initial position has been assumed, each buckle 3312 is stuck in one of neck 3271；When swing handle 33 (such as Referring to Fig. 5 and Fig. 6, rotate in the clockwise direction), buckle 3312 by the perisporium 327 of accommodating cavity 328 extruding, to fluting Elastic deformation in 3314, so that buckle 3312 departs from neck 3271, handle 33 can above lid 32 turns an angle relatively, Until buckle 3312 is turned in another neck 3271 of this group of neck, under the elastic force effect of buckle 3312, this is snapped onto In neck 3271, handle 33 can no longer rotate in the same direction relative to upper lid 32, i.e., prompting handle 33 rotate in place.Above-mentioned During, spacing block set 3313 is all the time in limited impression 3272, and because the top surface of limited impression 3272 is closed, therefore, Spacing block set 3313 can abut with the top surface of limited impression 3272, so that after handle 33 rotate in place, handle 33 is upward When lifting, lid 32 can be driven, thus drive filter core module 31 to be lifted up.

The bottom centre of handle body 331 is fixed with the first of the center of pressing plate 324 formed with the second hollow locating dowel 3315 The position correspondence of post 342, the second locating dowel 3315 and the first locating dowel 342 are arranged, thus can be by the opposing platen 324 of handle body 331 Positioning, defines that handle body 331 is only capable of opposing platen 324 and rotated, avoids the opposing platen 324 of handle body 331 in horizontal plane Upper slip.

The bottom of handle body 331 is additionally provided with the transmission groove being recessed upwards around center, in the present embodiment, including Two groups, one of which includes two the first transmission grooves 3316, and another group includes two the second transmission grooves 3317.Wherein first Transmission groove 3316 is corresponding with one of which latch 34, and each first transmission groove 3316 is curved, from by paracentral position Put and extend radially outwardly, while rotate to an angle in the circumferential, thus the radially inner side end of each first transmission groove 3316 Be located at radial outside end on different circumference and not positioned at it is same radially.The radial direction of two the first transmission grooves 3316 Medial extremity is located on same circumference, radial outside end is located on same circumference respectively, and two the first transmission grooves 3316 can be relative The center of the bottom of handle body 331 is centrosymmetric.Second transmission groove 3317 is corresponding with another group of latch 34, and each second Transmission groove 3317 is curved, equally extends radially outwardly, while rotates to an angle in the circumferential, thus each second transmission The radially inner side end and radial outside end of groove 3317 be located on different circumference and not positioned at it is same radially.Two The radially inner side end of two transmission grooves 3317 respectively (can be with the radial outside of the first transmission groove 3316 on same circumference End is on the same circumference), radial outside end also be located on same circumference, two the second transmission grooves 3317 can be in respect to center Central Symmetry.Preferably, the first transmission groove 3316 and the entirety of the second transmission groove 3317 are centrosymmetric.

Alignment pin 341 on above-mentioned latch 34 is located in the transmission groove of relevant position, thus when 331 turns of handle body When dynamic, due to restriction of the chute 3231 to the motion path of latch 34, handle 33 drive latch 34 in handle body 331 radially (straight line) is mobile.

In conjunction with Fig. 1~Fig. 4, socket 213, the position of socket 213 are offered in the side wall of the first inner casing 21 of inner housing 2 Put, shape and size are adapted to latch 34, thus, latch 34 can be plugged into socket 213, or retract out of socket 213.

When handle 33 is located at original state, the alignment pin 341 on latch 34 is located at the radial outside end of each transmission groove, Therefore latch 34 is stretched out outside upper lid 32, and is inserted into socket 213, and now element kit 3 and inner housing 2 are in connection shape State；After handle 33 turns an angle, because transmission groove of the alignment pin 341 on latch 34 along the bottom of handle 33 moves Make so that alignment pin 341 slides into the radially inner side end of each transmission groove, therefore latch 34 is pulled in lid 32, and from insert Mouth 213 is retracted into lid 32, and now element kit 3 departs from inner housing 2, and element kit 3 can take out and carry out from inner housing 2 Change.

When changing element kit 3, if forgetting Guan Shui, element kit 3 takes out, waterway connector 313 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 213, and waterway connector 313 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. Filter check mechanism includes infrared sensor 6, and it is arranged on the side-wall outer side of the first inner casing 21, the position corresponding with socket 213 Put place.Infrared sensor 6 towards socket 213 side indent, so as to latch 34 can be inserted into.Infrared sensor 6 is towards socket 213 side is respectively arranged with infrared transmitter and infrared remote receiver, as being located at respectively above and below latch 34.

When element kit 3 is installed in place, latch 34 is extended into infrared sensor 6 from socket 213, by infrared transmitter Blocked with the light path of infrared remote receiver, thus infrared sensor 6 transmits the signal to the control module of water purifier so that water route On magnetic valve open, fluid normally circulates；When element kit 3 is not installed in place, or element kit 3 is changed, latch 34 do not extend into infrared sensor 6 from socket 213 and can not block light path, and infrared sensor 6 transmits the signal to The control module of water purifier so that the closed electromagnetic valve on water route, fluid passage is cut off, so as to avoid leak.

Alternatively, filter check mechanism can be the cooperation of magnet and Hall element, or microswitch, now, such as Magnet and Hall element can be separately positioned on the inner casing 21 of latch 34 and first so that when the position of the inner casing 21 of latch 34 and first Put when changing, or microswitch is arranged in the outside of socket 213 so that when latch 34 stretches out or withdraws, microswitch Be touched with intact state change, magnetic valve can be controlled according to the signal of the change, to reach anti-leak-stopping The purpose of water.

Claims (10)

1. a kind of element kit being convenient for changing, including filter core module (31), upper lid (32), it is arranged in lid (32) and energy band The handle (33) of dynamic upper lid (32) in the vertical direction action, the upper lid (32) are arranged on the top of the filter core module (31) Portion, it is characterised in that：The handle (33) is arranged in lid (32) in which can horizontally rotate, the upper lid (32) it is at least one Side is provided with chute (3231), and the chute (3231) extends from Shang Gai (32) side to centre, in the upper lid (32) Be provided with it is being driven by the rotation of handle (33), slide along chute (3231) and outside or be retracted into so as to reach upper lid (32) Latch (34) in upper lid (32).

2. the element kit being convenient for changing as claimed in claim 1, it is characterised in that：Cylinder is offered in the upper lid (32) The accommodating cavity (328) of shape, the handle (33) include the handle body (331) of cylinder, and the handle body (331) is inserted into In accommodating cavity (328) and bottom coordinates with latch (34).

3. the element kit being convenient for changing as claimed in claim 2, it is characterised in that：The bottom of the handle body (331) The transmission groove being recessed upwards is provided with, the transmission groove is curved, and the transmission groove is from close to handle body (331) bottom The position at portion center rotates to an angle radially outward while in the circumferential and extended, on the inner top surface of the latch (34) Alignment pin (341) is provided with, the alignment pin (341) is placed in the transmission groove.

4. the element kit being convenient for changing as claimed in claim 2, it is characterised in that：The perisporium of the handle body (331) On be provided with can radially-inwardly produce buckle (3312), the spacing block set (3313) of certain deformation, the buckle (3312) Buckle it is outstanding, the spacing block set (3313) is outstanding；On the perisporium (327) of the accommodating cavity (328) formed with The neck (3271) coordinated with buckle (3312), the buckle (3312) correspond to two spaced apart necks in the circumferential (3271), and each neck (3271) is outwards recessed, and is additionally provided with the perisporium (327) and coordinates with spacing block set (3313) Limited impression (3272), the limited impression (3272) outwards depression and it is curved, between described two necks (3271) Interval in the circumferential is not more than the arc length of limited impression (3272).

5. the element kit being convenient for changing as claimed in claim 4, it is characterised in that：The perisporium of the handle body (331) On be additionally provided with spacing block set (3313), the spacing block set (3313) is outstanding；The perisporium of the accommodating cavity (328) (327) limited impression (3272) coordinated with spacing block set (3313) is also formed with, the limited impression (3272) is outside simultaneously Depression upwards, the top surface of the limited impression (3272) are closed and can abutted with spacing block set (3313), the limited impression (3272) curved, the interval between described two necks (3271) in the circumferential is not more than the arc length of limited impression (3272).

6. the element kit being convenient for changing as claimed in claim 2, it is characterised in that：The handle (33) also includes holding rod (332), handle body (331) top surface forms installation groove (3311) in recessed, and the holding rod (332) is arranged on handle In installation groove (3311) at the top of hand main body (331) and connect.

7. the element kit being convenient for changing as claimed in claim 3, it is characterised in that：The upper lid (32) includes four side plates (322) and the bottom plate (323) that is connected between four side plate (322) bottoms, so as to form the upper lid (32) of cuboid, the cunning Groove (3231) extends among the bottom up lid (32) of each side plate (322), chute corresponding to each side plate (322) (3231) bearing of trend is parallel with adjacent side plates (322), and the transmission groove includes corresponding with latch (34) four respectively.

A kind of 8. water purifier applied just like element kit according to any one of claims 1 to 7, it is characterised in that：It is described Water purifier includes inner housing (2), and the element kit is placed in inner housing (2), in the inner housing (2) formed with for institute State the socket (213) of latch (34) cooperation.

9. water purifier as claimed in claim 8, it is characterised in that：It is corresponding with the socket (213) on the inner housing (2) Place is provided with filter check mechanism.

10. water purifier as claimed in claim 9, it is characterised in that：The filter check mechanism is infrared sensor (6), institute State the side-wall outer side that infrared sensor (6) is arranged on inner housing (2), and infrared sensor (6) is towards the side of socket (213) Indent is inserted for latch (34).