CN206837595U - Filter core and water purifier - Google Patents

Abstract

The utility model discloses a kind of filter core and water purifier, wherein, the filter core is used for water purifier, including：Filter element body, there is the first end being oppositely arranged and the second end, the first end is provided with the intercommunicating pore connected with its inside, and the end face at second end is provided with connection protuberance；And end cap, it which is provided with the sleeve joint hole being sheathed in the connection protuberance, one of the sleeve joint hole hole wall and the connection protuberance are provided with spacing preiection, it is another to be provided with stopper slot, the stopper slot circumferentially extends along the filter element body, when the end cap rotates relative to second end, the spacing preiection can be slipped into the stopper slot, and relatively described stopper slot circumferentially slides along the filter element body, so that the end cap is rotatably assorted with second end, and limits the end cap and depart from the filter element body；And the end cap is used to be connected with the housing of the water purifier.Technical solutions of the utility model can reduce the production cost of filter core.

Description

Filter core and water purifier

Technical field

Purifier field is the utility model is related to, more particularly to a kind of filter core and water purifier.

Background technology

Because one end that filter core is provided with water inlet and delivery port is connected with plate of water route, the other end is provided with installation position and only Connection position connection on the housing of water dispenser.When installing filter core, it is right in plate of water route that water inlet and delivery port must be respectively aligned to The connecting hole answered, and the connection position that the installation position on the other end of filter core must be also aligned on housing could realize installation.Due to Filter core both ends are required to location and installation, to avoid after one end is to connecting, the situation that the other end can not dock occur, therefore to filter The requirement on machining accuracy of core is higher, so adds the production cost of filter core.

Utility model content

Main purpose of the present utility model is to propose a kind of filter core, it is intended to reduces the production cost of filter core.

To achieve the above object, the utility model proposes filter core, for water purifier, the filter core includes：

Filter element body, has the first end being oppositely arranged and the second end, and the first end is provided with and its internal company connected Through hole, the end face at second end are provided with connection protuberance；With,

End cap, which is provided with the sleeve joint hole being sheathed in the connection protuberance, and the sleeve joint hole hole wall and the connection are convex One of portion is provided with spacing preiection, and another to be provided with stopper slot, the stopper slot circumferentially extends along the filter element body, when described When end cap rotates relative to second end, the spacing preiection can be slipped into the stopper slot, and relatively described stopper slot edge The filter element body is circumferentially slided, so that the end cap is rotatably assorted with second end, and is limited described in the end cap disengaging Filter element body；And the end cap is used to be connected with the housing of the water purifier.

Preferably, the stopper slot is located on the perisporium of the connection protuberance, and the spacing preiection is located at the sleeve joint hole Hole wall on.

Preferably, the connection protuberance is set in strip in the radial direction in the filter element body, with long perisporium With short perisporium, the stopper slot is located on the short perisporium, and is set through two perisporiums adjacent with short perisporium this described；It is described Spacing preiection can be slipped into the stopper slot along the long perisporium.

Preferably, one of the perisporium of the connection protuberance and the sleeve joint hole hole wall are provided with storage tank, Ling Yishe There is backstop groove；The filter core also includes the elastic buckles being connected with the cell wall of the storage tank, and the elastic buckles have completely accommodating Squeezed state in the storage tank, and at least partly protrude from oneself outside the storage tank and in the backstop groove By state；When the elastic buckles are in the free state, the spacing preiection is located in the stopper slot.

Preferably, described elastic buckles one end is connected with the side wall of the storage tank, and another side is free end, the elasticity Fastener has the squeezed state being placed in completely in the storage tank, and part protrudes from the free state of the storage tank.

Preferably, the backstop groove circumferentially extends along the filter element body, to enable the elastic buckles relatively described Backstop groove moves in the circumferential direction.

Preferably, the perisporium of the connection protuberance and circumferentially-spaced two backstop connection protuberances, two backstops are provided with along its The backstop groove is formed between connection protuberance.

Preferably, the bottom wall of the backstop groove is serrated setting, and the elastic buckles engage with the bottom wall.

The utility model also proposes a kind of water purifier, and the water purifier includes filter core, and the filter core includes：

Filter element body, has the first end being oppositely arranged and the second end, and the first end is provided with and its internal company connected Through hole, the end face at second end are provided with connection protuberance；With,

End cap, which is provided with the sleeve joint hole being sheathed in the connection protuberance, and the sleeve joint hole hole wall and the connection are convex One of portion is provided with spacing preiection, and another to be provided with stopper slot, the stopper slot circumferentially extends along the filter element body, when described When end cap rotates relative to second end, the spacing preiection can be slipped into the stopper slot, and relatively described stopper slot edge The filter element body is circumferentially slided, so that the end cap is rotatably assorted with second end, and is limited described in the end cap disengaging Filter element body；And the end cap is used to be connected with the housing of the water purifier.

Preferably, the water purifier includes housing, the filter core and the housing clamping.

Preferably, the side face of the end cap is provided with fixture block, and the fixture block includes：

First limiting section, it is axially extending along the end cap；With

Second limiting section, it is connected with first limiting section close to one end of the filter element body, and it is all along the end cap To extension；

The housing is cylindrical in shape setting, and to form an installation cavity, the filter element body is stretched into the installation cavity；The peace Breach is provided between the end face behaveing affectedly and cavity wall, the breach has along the axially extending multiple groove sidewalls of the installation cavity, with And the groove bottom wall being connected with the groove sidewall, wherein a groove sidewall is provided with snap fit tabs；

The fixture block is located in the breach, and second limiting section is held on the groove bottom wall and the snap fit tabs Between.

Preferably, first limiting section has spigot surface, and the spigot surface is set away from second limiting section, described Spigot surface is gradually obliquely installed in the axial direction close to the filter element body towards second limiting section；

The multiple groove sidewall includes being oppositely arranged and along two the first side walls of the circumferentially-spaced arrangement of the installation cavity, wherein One the first side wall is gradually distance from another the first side wall and is obliquely installed, this inclines on the direction away from the groove bottom wall The first side wall tiltedly set and the spigot surface form fit；The snap fit tabs are located on another the first side wall.

Preferably, the water purifier also includes water shutoff component and plate of water route, wherein, the water shutoff component includes：

Water shutoff head, there is the first surface and second surface being oppositely arranged, the water shutoff head, which is provided with, runs through described first The water hole of surface and the second surface, annular seal is convexly equipped with the water hole hole wall；

Push rod, stretch into the water hole, and can be moved along the axial direction of the water hole；

Sealing ring, fixation are set on the push rod, and between the annular seal and the second surface, and The sealing ring have the first state that is mutually sealed against with the annular seal and with the annular seal separately The second state；And

Dynamic clamping head and quiet clamping head, the water shutoff head and the push rod are connected, described the is reset to have the sealing ring The trend of one state；

The plate of water route is provided with connecting hole and the water shutoff component, and the water shutoff component connects with plate of water route sealing Connect, the second surface of the water shutoff component is set close to the plate of water route, and the water hole of the water shutoff component and the connection Hole connects；

The filter element body first end is provided with another water shutoff component；The water shutoff component connects with first end sealing Connect, and the second surface of the water shutoff component is set close to the filter element body, water hole and the company of the water shutoff component Through hole connects；

Water shutoff component on the filter core is tightly connected with the water shutoff component in the plate of water route, the two water shutoff components First surface is oppositely arranged, and the push rod of the two water shutoff components is coaxially disposed and mutually supported, to cause two push rods point The two water shutoff component connections are not caused towards the direction motion being located remotely from each other.

In the utility model, by setting spacing preiection and stopper slot between filter element body and end cap so that limit convex Rise can make along stopper slot it is circumferential slide, both realized being rotatably assorted for filter element body and both end caps, again limited spacing Projection departs from stopper slot vertically, that is, limits end cap and depart from filter element body vertically.Because filter element body is communicated with the of hole One end is connected with plate of water route, and intercommunicating pore connecting hole connection corresponding with plate of water route, then in the mistake of dismounting filter element body Cheng Zhong, to ensure that intercommunicating pore is directed at corresponding connecting hole, then limit the rotation of filter element body.In the utility model, by Second end of filter element body sets an end cap, because end cap is rotatablely connected with the second end, then in installation process, can first by After filter element body alignment plate of water route insertion, then by rotating end cap, and the installation position on end cap is caused to turn to water purifier housing On installation position at, realize the installation of end cap and water purifier housing.In this way, when processing filter core, it is not necessary to consider intercommunicating pore with Relative position relation on end cap between installation position, it is relatively low to the requirement on machining accuracy of filter core, thus be advantageous to saving and be processed into This.When needing to change filter core, rotating end cap can be also first passed through, and is caused on installation site and the water purifier housing on end cap Installation site staggers, and avoids during filter element body is extracted out, the peace that the installation site opposite end on water purifier housing covers Holding position causes to interfere.The dismounting of filter core can so be facilitated, it is convenient for the user to operate.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of the embodiment of the utility model filter core one；

Fig. 2 is the structural representation of filter element body in Fig. 1；

Fig. 3 is the enlarged drawing at A in Fig. 2；

Fig. 4 is the structural representation that Fig. 1 middle-ends are placed in an embodiment；

Fig. 5 is the cut-away illustration that Fig. 1 middle-ends are placed in another embodiment；

Fig. 6 is the cut-away illustration of filter core vertically in Fig. 1, wherein, spacing preiection is not screwed in stopper slot；

Fig. 7 is the cut-away illustration of filter core vertically in Fig. 1, wherein, spacing preiection is located in stopper slot；

Fig. 8 is the cut-away illustration of filter core radially in Fig. 1；

Fig. 9 is the front view of end cap in Fig. 4；

Figure 10 is the structural representation of the embodiment of the utility model water purifier housing one；

Figure 11 is housing and the structural representation after end cap assembling in Figure 10；

Figure 12 is the structural representation of another embodiment of the utility model filter core；

Figure 13 is the cut-away illustration of filter core in Figure 12；

Figure 14 is the enlarged drawing at C in Figure 13；

Figure 15 is the enlarged drawing at B in Figure 12；

Figure 16 is the structural representation of the utility model filter core and the embodiment of plate of water route one, wherein, at filter core and plate of water route In off-state；

Figure 17 is the partial enlarged drawing at D in Figure 16；

Figure 18 is the structural representation of the utility model filter core and the embodiment of plate of water route one, wherein, at filter core and plate of water route In connected state；

Figure 19 is the partial enlarged drawing at E in Figure 18.

Drawing reference numeral explanation：

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of water purifier, the water purifier includes filter core.

In the utility model embodiment, as shown in Figures 1 to 4, the filter core includes：

Filter element body 100, there is the end 120 of first end 110 and second being oppositely arranged, the first end 110 is provided with and it The intercommunicating pore 111 (refer to Figure 14) of inside connection, the end face at second end 120 is provided with connection protuberance 130；And

End cap 200, which is provided with the sleeve joint hole 210 for being sheathed on the connection protuberance 130, the hole wall of sleeve joint hole 210 with One of them is provided with spacing preiection 220 to described connection protuberance 130, another to be provided with stopper slot 131, and the stopper slot 131 is along described Filter element body 100 circumferentially extends, and when the end cap 200 rotates relative to second end 120, the spacing preiection 220 can Slip into the stopper slot 131, and relatively described stopper slot 131 slides along the filter element body 100 is circumferential, so that the end cap 200 are rotatably assorted with second end 120, and limit the end cap 200 and depart from the filter element body 100, and the end cap 200 is used It is connected in the housing 300 (as shown in Figure 10) with the water purifier.

Specifically, in certain embodiments, the spacing preiection 220 is located at the connection protuberance 130, the stopper slot 131 on the hole wall of the sleeve joint hole 210.In further embodiments, the stopper slot 131 is arranged on the connection protuberance 130, the spacing preiection 220 is located at the end cap 200.

In the utility model, by setting spacing preiection 220 and stopper slot between filter element body 100 and end cap 200 131 so that spacing preiection 220 can make circumferential slip along stopper slot 131, both realize 200 liang of filter element body 100 and end cap Person's is rotatably assorted, and again limits spacing preiection 220 and departs from stopper slot 131 vertically, that is, limits end cap 200 and depart from filter vertically Core body 100.Because the first end 110 that filter element body 100 is communicated with hole is connected with plate of water route, and intercommunicating pore and water route Corresponding connecting hole connection on plate, then during filter element body 100 is dismounted, to ensure the corresponding connection of intercommunicating pore alignment Hole, then limit the rotation of filter element body 100.In the utility model, by setting one at the second end 120 of filter element body 100 End cap 200, then, can be first right by filter element body 100 in installation process because end cap 200 is rotatablely connected with the second end 120 After quasi- plate of water route insertion, then by rotating end cap 200, and the installation position on end cap 200 is turned on water purifier housing 300 Installation position at, realize the installation of end cap 200 and water purifier housing 300.In this way, when processing filter core, it is not necessary to consider connection Relative position relation on hole and end cap 200 between installation position, it is relatively low to the requirement on machining accuracy of filter core, thus be advantageous to save Processing cost.When needing to change filter core, can also first pass through rotating end cap 200, and cause installation site on end cap 200 with it is net Installation site on water dispenser housing 300 staggers, and avoids during filter element body 100 is extracted out, on water purifier housing 300 Installation site causes to interfere to the installation site on end cap 200.The dismounting of filter core can so be facilitated, it is convenient for the user to operate.

Incorporated by reference to reference to figure 3 and Fig. 4, in one embodiment, the stopper slot 131 is located at the week of the connection protuberance 130 On wall, the spacing preiection 220 is located on the hole wall of the sleeve joint hole 210.In the embodiment, the connection protuberance 130 is specific Can be strip cube or circular shaft etc..To avoid in installation process, the spacing preiection 220 and the week of the connection protuberance 130 Wall is interfered and hinders the installation of end cap 200 and filter element body 100, therefore in one embodiment, the connection protuberance 130 is in the filter Core body 100 is set in strip in the radial direction, to be located at long perisporium 132 and short perisporium 133, the stopper slot 131 On the short perisporium 133, and set through two perisporiums adjacent with short perisporium 133 this described；The spacing preiection 220 being capable of edge The long perisporium 132 is slipped into the stopper slot 131.During specific installation, as shown in fig. 6, Fig. 6 is that filter core is vertically in Fig. 1 Cut-away illustration, wherein, spacing preiection 220 is not screwed in stopper slot 131.The end cap 200 is inserted in the connection protuberance 130 On, and the corresponding long perisporium 132 of the spacing preiection 220 is inserted in, and then rotates the end cap 200 so that the limit convex Play 220 sides turned to where the short perisporium 133, and from the long perisporium 132 and the short adjoining position of perisporium 133 Slip into the stopper slot 131.The spacing preiection 220 refer to Fig. 7 with the structure after the stopper slot 131 assembles.For Increase the smoothness that the end cap 200 rotates, it is preferable that the short perisporium 133 is set in arc-shaped.Certainly, in other implementations In example, can also be provided for the groove of accommodating spacing preiection 220 on the hole wall of sleeve joint hole 210, spacing preiection 220 and groove it Between connected by spring, and spacing preiection 220 has and protrudes from the free state of groove, and is placed in the extruding of groove completely State.Then when mounted, the perisporium extruding spacing preiection 220 of connection protuberance 130 so that spacing preiection 220 is placed in groove, By rotating end cap 200, until spring reset so that spacing preiection 220 protrudes and extend into stopper slot 131.

Preferably, the spacing preiection 220 is two, and two spacing preiections 220 are using the axis of sleeve joint hole 210 in The heart is symmetrical arranged, and the quantity of the stopper slot 131 corresponds to two.So be advantageous to the end cap 200 and the connection protuberance 130 mounting stability.

In above-described embodiment, axial limiting work is lost to avoid the spacing preiection 220 from skidding off the stopper slot 131 With, therefore storage tank 230 is provided with one of the perisporium of the connection protuberance 130 and the hole wall of the sleeve joint hole 210, it is another Provided with backstop groove 134 (as shown in Figure 8), the backstop groove 134 has the both sides being spaced apart along the rotation direction of end cap 200 Wall.Backstop groove 134 is provided with the perisporium of the connection protuberance 130 in the utility model, the hole wall of sleeve joint hole 210 is provided with accommodating Illustrated exemplified by groove 230, but not limited to this.The filter core also includes the elastic buckles being connected with the cell wall of the storage tank 230 240, the elastic buckles 240 have the squeezed state being placed in completely in the storage tank 230, and at least partly protrude from institute State the free state that storage tank 230 is outer and is located in the backstop groove 134；When the elastic buckles 240 are in the free state When, the spacing preiection 220 is located in the stopper slot 131.Preferably, the backstop groove 134 is located at the short perisporium 133 On.Specifically, when being installed, first the sleeve joint hole 210 on the end cap 200 is inserted in the connection protuberance 130, it is described Spacing preiection 220 and the elastic buckles 240 correspond to the long perisporium 132 and are inserted in respectively, then rotate the end cap 200 so that The side that the spacing preiection 220 is turned to where the short perisporium 133, and the spacing preiection 220 is from the long perisporium 132 Slipped into the short adjoining position of perisporium 133 in the stopper slot 131.Meanwhile when the elastic buckles 240 are located at the short week During wall 133, the short perisporium 133 extrudes the elastic buckles 240, to cause the elastic buckles 240 to be placed in the storage tank 230 It is interior；Then the end cap 200 is rotated further, after the elastic buckles 240 turn to the position at the place of backstop groove 134, institute Elastic buckles 240 are stated to recover elastic deformation and extend into the backstop groove 134.Because the backstop groove 134 has along the end The two side that the rotation direction of lid 200 is spaced apart, therefore two groove sidewall can play the effect kept out to the elastic buckles 240, And the elastic buckles 240 are limited in the backstop groove 134, so as to limit the rotation of the end cap 200.

Specifically, in certain embodiments, described one end of elastic buckles 240 is connected with the side wall of the storage tank 230, another Side is free end, and the elastic buckles 240 are convex with the squeezed state being placed in completely in the storage tank 230, and part For the free state of the storage tank 230.In the embodiment, when the storage tank 230 is arranged on the socket of the end cap 200 When on the hole wall of hole 210, the storage tank 230 preferably includes two parts：Annular groove 231 and through hole 232, the annular groove 231 are located at institute End cap 200 is stated towards on the end face of the filter element body 100, and is located on the periphery of the sleeve joint hole 210；The through hole 232 On the hole wall of sleeve joint hole 210, and extend outwardly to the annular groove 231, and connected with the annular groove 231.The elasticity Detain 240 1 sides to connect with the hole wall of through hole 232, the annular groove 231 is used to play when the elastic buckles 240 are extruded to allow Position effect.

In further embodiments, Fig. 5 is refer to, the ＇ of elastic buckles 240 includes the ＇ of the projection 241 and ＇ of elastic component 242, institute Bottom land and the ＇ of the projection 241 that the ＇ of elastic component 242 connects the ＇ of storage tank 230 respectively are stated, so that the ＇ of the projection 241 has had The squeezed state being placed in entirely in the ＇ of storage tank 230, and protrude from the free state of the ＇ of storage tank 230.The implementation In example, the larger ＇ of storage tank 230 of a depth can be directly opened up on the hole wall of sleeve joint hole 210, thinks that the ＇ of projection 241 is carried For enough bit spaces that allows.Preferably, the ＇ of elastic component 242 is spring.

When the end cap 200 is being removed with water purifier housing 300, to avoid the end cap 200 because rotating use at the beginning Power causes the elastic buckles 240 to depart from the backstop groove 134, it is preferred that the backstop groove 134 is along the filter element body 100 circumferentially extendings, to enable the relatively described backstop groove 134 of the elastic buckles 240 to move in the circumferential direction.So by the end cap 200 rotational angle has been limited in a less scope.

The backstop groove 134 can axially penetrate through the connection protuberance 130 along the connection protuberance 130 and set, and can not also pass through The connection protuberance 130 is worn to set.Preferably, the perisporium of the connection protuberance 130 and circumferentially-spaced to be provided with two backstops convex along its Portion 1341, the backstop groove 134 is formed between two stop ledges 1341.Preferably, two stop ledges 1341 set up separately In the both sides of the short perisporium 133 circumferentially.

To prevent the end cap 200 because overexerting, rotational angle is excessive and causes the elastic buckles 240 once to skid off institute Backstop groove 134 is stated, therefore preferably, wherein the height that a stop ledge 1341 is raised in the connection protuberance 130, is more than Another stop ledge 1341 height raised in the connection protuberance 130.In this way, the relatively low stop ledge The interference of 1341 pairs of elastic buckles 240 is smaller, be advantageous to the elastic buckles 240 across the relatively low stop ledge 1341 and Slip into the backstop groove 134.The interference of the higher stop ledge 1341 to the elastic buckles 240 is larger, is advantageous to Stop that the elastic buckles 240 skid off.

Incorporated by reference to reference to figure 8, the highly less stop ledge 1341 has form the cell wall of backstop groove 134 the Three surface 1341a, and the 4th surface 1341b being oppositely arranged with the 3rd surface 1341a；The 3rd surface 1341a It is circumferentially spaced with the 4th surface 1341b.The 4th surface 1341b is away from the side of the connection protuberance 130 Upwards, gradually it is obliquely installed towards the 3rd surface 1341a.The 4th surface 1341b is equivalent to guiding surface, to the bullet Property button 240, which is slipped into the backstop groove 134, plays guide effect.Similarly, the 3rd surface 1341a is convex away from the connection On the direction in portion 130, gradually it is obliquely installed towards the 4th surface 1341b, so elastic buckles 240 is skidded off with the backstop groove Guide effect is played in 134.Slid into and out for convenience of the elastic buckles 240 in the backstop groove 134, at the same it is also described to avoid Elastic buckles 240 too skid off the backstop groove 134 easily, therefore the 3rd surface 1341a and the perisporium of the connection protuberance 130 Between angle, more than the angle between the 4th surface 1341b and the perisporium of the connection protuberance 130.

The bottom wall of the backstop groove 134 is serrated setting, and the elastic buckles 240 engage with the bottom wall.When the end In the rotation process of lid 200, the elastic buckles 240 can be according to sound by sending grating, user after the peak contact with sawtooth Judge whether the end cap 200 rotate in place.Meanwhile to enable elastic buckles 240 to overcome the interference of sawtooth tooth top, and across Sawtooth, the end cap 200 need to be rotated by larger external force, so when the filter core and the water purifier housing 300 after installing, and interference of the sawtooth to elastic buckles 240 makes avoiding the less vibration caused by the water purifier course of work Obtain the phenomenon that the end cap 200 rotates.Preferably, the tooth top of sawtooth height raised in the connection protuberance 130 is small In the height that any stop ledge 1341 is raised in the connection protuberance 130.So when the end cap 200 is relatively described When filter element body 100 rotates, interference of the sawtooth to the elastic buckles 240 can be reduced.

The elastic buckles 240 for two, two elastic buckles 240 are symmetrically set centered on the axis of sleeve joint hole 210 Put, the quantity of the backstop groove 134 corresponds to two, is so advantageous to the installation of the end cap 200 and the connection protuberance 130 Stability.

Fixture block 250 is provided with incorporated by reference to the side face with reference to figure 9 to Figure 11, the end cap 200, the fixture block 250 includes：

First limiting section 251, it is axially extending along the end cap 200；With

Second limiting section 252, it is connected with first limiting section 251 close to one end of the filter element body 100, and along institute End cap 200 is stated to circumferentially extend；

The housing 300 is cylindrical in shape, and with an installation cavity 310 formed therein that, the filter element body 100 stretches into the installation In chamber 310, breach 311 is provided between the end face of the installation cavity 310 and cavity wall, the breach 311 has along the installation cavity 310 axially extending multiple groove sidewalls, and the groove bottom wall 3112 being connected with the groove sidewall, wherein being set in a groove sidewall There are snap fit tabs 312；

The fixture block 250 is located in the breach 311, and second limiting section 252 is held on the groove bottom wall 3112 Between the snap fit tabs 312.

In the embodiment, the opening of the fixture block 250 from the breach 311 slips into the breach 311, by rotating End cap 200 is stated, the groove bottom wall 3112 and the snap fit tabs 312 are held on to cause second limiting section 252 to turn to Between, the groove bottom wall 3112 limits the axial movement of second limiting section 252 with the snap fit tabs 312, so real The fixation of the end cap 200 and the housing 300 is showed.When needing to change the filter core, by reversely rotating the end cap 200 so that after second limiting section 252 is produced between the groove bottom wall 3112 and the snap fit tabs 312, then by the filter Core is extracted.

First limiting section 251 has spigot surface 2511, and the spigot surface 2511 is set away from second limiting section 252 Put, the spigot surface 2511 is gradually tilted towards second limiting section 252 and set in the axial direction close to the filter element body 100 Put.The multiple groove sidewall includes being oppositely arranged and along two the first side walls 3111 of the 310 circumferentially-spaced arrangement of installation cavity, its In a first side wall 3111 away from the groove bottom wall 3112 direction on, be gradually distance from another the first side wall 3111 It is obliquely installed, the first side wall 3111 being obliquely installed and the form fit of spigot surface 2511；The snap fit tabs 312 On another the first side wall 3111.Specifically, during the filter core is pushed into the installation cavity 310, pass through Rotate the end cap 200 so that the fixture block 250 is stretched into the breach 311 from the opening of the breach 311, while institute State the first side wall 3111 that spigot surface 2511 is obliquely installed along this to slide, until second limiting section 252 is held on institute State between location division and the groove bottom wall 3112.When being dismantled, the end cap 200, the spigot surface 2511 are rotated backward Along the first side wall 3111 being obliquely installed, outwards rotation skids off, and second limiting section 252 departs from the location division and institute State the axial direction limitation of groove bottom wall 3112.

Preferably, the quantity of the fixture block 250 is two, and is symmetrical arranged centered on the axis of the end cap 200；Institute The quantity for stating breach 311 corresponds to two.It so, it is possible so that the stress balance of the end cap 200, adds mounting stability.

Further, as shown in figure 1, the end cap 200 is convexly equipped with handle portion on the end face of the filter element body 100 260, the handle portion 260 is in strip, so that user grips, facilitates user to be exerted a force when rotating the end cap 200.

Further, plate of water route 400 and water shutoff component, institute are also included incorporated by reference to referring to figs 12 to Figure 19, the water purifier State and the water shutoff component is equipped with filter core first end 110 and the plate of water route 400.Below with the water shutoff on the filter core Component is the first water shutoff component, and the water shutoff component in the plate of water route 400 is to illustrate exemplified by the second water shutoff component.Tool Body, as shown in figure 14, each water shutoff component includes：

Water shutoff first 510, there is the first surface 5111 and second surface 5121 being oppositely arranged, set in the water shutoff first 510 There is a water hole 5112 through the first surface 5111 and the second surface 5121, projection on the hole wall of water hole 5112 There is annular seal 5113；

Push rod 520, stretch into the water hole 5112, and can be moved along the axial direction of water hole 5112；

Sealing ring 530, fixation is set on the push rod 520, and is located at the annular seal 5113 and described second Between surface 5121, and the sealing ring 530 have the first state that is sealed against with the phase of annular seal 5113 and With the second state of the annular seal 5113 separately；And

Dynamic clamping head and quiet clamping head 540, the water shutoff first 510 and the push rod 520 are connected, have the sealing ring 530 It is reset to the trend of the first state.

Wherein, the first end 110 of filter element body 100 is communicated with hole 111, the intercommunicating pore 111 and the filter core sheet The inside of body 100 connects, and specifically, the intercommunicating pore 111 is water inlet or delivery port.The first water shutoff component and the filter core The first end 110 that body 100 is communicated with hole 111 is tightly connected, and the second surface 5121 of the first water shutoff component is close The filter element body 100 is set, and the water hole 5112 of the first water shutoff component connects with the intercommunicating pore 111.

As shown in figure 17, the plate of water route 400 is provided with connecting hole 410, the second water shutoff component and the plate of water route 400 are tightly connected, and the second surface 5121 of the second water shutoff component is set close to the plate of water route 400, and second envelope The water hole 5112 of water assembly connects with the connecting hole 410.

The water shutoff component of the filter core and the water shutoff component of the plate of water route 400 are tightly connected, i.e., described first water shutoff group Part is tightly connected with the second water shutoff component, and the first surface 5111 of the two water shutoff components is oppositely arranged, and two envelopes The push rod 520 of water assembly is coaxially disposed and mutually supported, to cause two push rods 520 to be moved respectively towards the direction being located remotely from each other And cause the two water shutoff component connections.

In the utility model embodiment, when push rod 520 is acted on by external force, push rod 520 is with dynamic seal ring 530 towards second Direction motion where surface 5121 so that sealing ring 530 is spaced away from annular seal 5113 with annular seal 5113 Set, in this way, the both ends connection of water hole 5112；And after the disappearance of the external force on push rod 520 is acted on, push rod 520 is in elasticity In the presence of return unit 540, resetted towards the direction where first surface 5111, until sealing ring 530 and annular seal 5113 Seal against, so that the both ends of water hole 5112 disconnect.

In the utility model, by setting the first water shutoff component on filter core, the second water shutoff group is set in plate of water route 400 Part, when the filter core is inserted into the plate of water route 400, the push rod 520 of the filter core and the push rod of the plate of water route 400 520 support, and two push rods 520 cause the water excessively in the first water shutoff component respectively towards the direction motion being located remotely from each other Hole 5112 connects with the water hole 5112 in the second water shutoff component, so as to realize the plate of water route 400 and the filter core it Between water circulation (specifically referring to Figure 18 and Figure 19).When needing to take out the filter core, two push rods 520 reset, and make Obtain the two water shutoff components to be respectively closed, that is, the intercommunicating pore 111 of the filter core is closed, the connecting hole of the plate of water route 400 410 close (specifically referring to Figure 16 and Figure 17), so avoid the water outflow of residual in the filter core, and avoid the water Water outflow in road plate 400, so as to avoid water resource waste, and gets the generation of water purifier internal phenomena wet.Simultaneously as Water inlet and water outlet on filter core are provided with the first water shutoff component, then when sealing ring 530 and annular seal 5113 seal When abutting and make it that the both ends of water hole 5112 disconnect, the water inlet and delivery port of filter core are closed respectively, will be inside filter core and extraneous Separate, have influence on the strainability of filter core so as to prevent outside air and dust etc. from entering inside filter core, while can also avoid Pollutant is attached to filter core water outlet so that the clean water body after filtering is polluted again.In addition, according to sealing ring 530 side faces and the hole wall of water hole 5112 are matched somebody with somebody between sealing ring 530 and the hole wall of water hole 5112 for interference come the mode sealed against Close, for sealing ring 530 with the motion process of push rod 520, the side face of sealing ring 530 produces larger friction with the hole wall of water hole 5112 Power, hence in so that the side face of sealing ring 530 easily wears, cause seal failure.And in the utility model, due to sealing ring 530 End face is sealed against with annular seal 5113, and Relative friction is not produced between the end face of sealing ring 530 and annular seal 5113, The abrasion of the end face of sealing ring 530 can be thus avoided, can be realized and annular even if the generation abrasion of the end face of sealing ring 530 remains on The sealing of sealing 5113 is supported, and without influenceing sealing property, therefore the sealing effectiveness of the water shutoff component in the utility model is more It is good.

In above-described embodiment, incorporated by reference to reference to figure 2, the filter element body 100 includes stack shell 150, and filter core lid 140, The stack shell 150 closes the tubular of open at one end in one end, and the open sealing of the filter core lid 140 and the stack shell 150 covers； The first water shutoff component is arranged on the filter core lid 140.The first water shutoff component can be integrated with the filter core lid 140 Set, or split settings.For example, in certain embodiments, the first water shutoff component is set with the split of filter core lid 140 Put.Specifically, the filter core lid 140 is provided with installation convex portion 112, and the installation convex portion 112 deviates from the table of the filter core lid 140 Face is provided with installation cavity (not indicating), and the first water shutoff component is inserted in the installation cavity, and close with the cavity wall of the installation cavity Envelope connection.Preferably, the cavity wall of the upper lid 511 and the installation cavity of the first water shutoff component is spirally connected.In other realities Apply in example, the lower cover 512 is wholely set with the filter core lid 140.Certainly, in other embodiments, the upper lid 511 also may be used It is wholely set with the filter core lid 140.

Similarly, the plate of water route 400 is provided with retaining lugs 420, and the retaining lugs 420 deviates from the plate of water route 400 Surface be provided with connecting cavity, the second water shutoff component is inserted in the connecting cavity, and is sealed and connected with the cavity wall of the connecting cavity Connect.Preferably, the second water shutoff component and the cavity wall of the connecting cavity are spirally connected.The second water shutoff component and the plate of water route 400 attachment structure, and the first water shutoff component are similar with the attachment structure of the filter element body 100, specifically refer to Embodiment is stated, here is omitted.

Specifically, where the cavity wall of the connecting cavity towards the filter core direction extension, and with the cavity wall of the installation cavity It is tightly connected.As shown in figure 19, the filter core is inserted into the connecting cavity.

The sealing ring 530 is set on the push rod 520, and can follow the push rod 520 along the water hole 5112 are axially moved.It is envisioned that because the sealing ring 530 can move in the water hole 5112, then it is inevitable Ground, there is gap between the side face of sealing ring 530 and the water hole 5112 hole wall, the gap water supply passes through.Similarly, due to The push rod 520 can move in the water hole 5112, then inevitably, the push rod 520 and the water hole 5112 Also there is gap, the gap water supply passes through between hole wall.

The dynamic clamping head and quiet clamping head 540 is used to reset to the push rod 520, and the dynamic clamping head and quiet clamping head 540 can be spring or bullet Piece etc..

In one embodiment, include referring again to Figure 14, the annular seal 5113 from the hole of water hole 5112 The ring body 5113a that wall extends radially inwards, and positioned at the ring body 5113a towards the second surface 5121 Side annular seal lip 5113b, the sealing ring 530 seals against with the annular seal lip 5113b.The embodiment In, because the annular seal lip 5113b is the convex portion that is arranged on the ring body 5113a, then when the sealing ring 530 When being contacted with the annular seal lip 5113b, there is gap between the sealing ring 530 and the ring body 5113a, between being somebody's turn to do Gap provides deformation space for the deformation of the end face of sealing ring 530, so that the sealing ring 530 can adapt to the annular Sealing lip 5113b shape, and it is more preferable with the effect of the sealing of the annular seal lip 5113b.Preferably, the ring packing Portion 5113 is located on the first surface 5111.

To avoid the relatively described push rod 520 of the sealing ring 530 from sliding, therefore annular groove is provided with (not in the side face of push rod 520 Sign), the sealing ring 530 is arranged in the annular groove, and two cell walls being oppositely arranged by the annular groove clamp, so by institute State sealing ring 530 to be limited in the annular groove, moved so as to avoid the relatively described push rod 520 of the sealing ring 530.

To avoid completely disengaging the water excessively towards the direction of the second surface 5121 when the stress of push rod 520 is larger Hole 5112, therefore the shaft shoulder 521 is provided with the side face of push rod 520, it is convexly equipped with blocking part 5122, institute on the hole wall of water hole 5112 It is spacing when the push rod 520 moves towards the second surface 5121, to be supported with the shaft shoulder 521 to state blocking part 5122, So as to avoid the push rod 520 from continuing the direction motion towards the second surface 5121.The shaft shoulder 521 can be located at the sealing Between circle 530 and the first surface 5111, it may be alternatively located between the sealing ring 530 and the second surface 5121.One In embodiment, the shaft shoulder 521 is between the sealing ring 530 and the second surface 5121.In this embodiment, simultaneously Preferably, the shaft shoulder 521 forms wherein one cell wall of the annular groove, and institute towards the side of the first surface 5111 The external diameter for stating the shaft shoulder 521 is more than or equal to the external diameter of the sealing ring 530.In this way, equivalent to the sealing ring 530 away from described The end face of the one end of annular seal 5113 is entirely supported by the shaft shoulder 521, then when the sealing ring 530 is to first table Face 5111 direction motion and by the annular seal 5113 when compressing power, due to the shaft shoulder 521 support it is described close The sealing ring 530 is pressed on the shaft shoulder 521 by seal 530, the annular seal 5113, avoids the sealing ring 530 when being compressed power, and sealing ring 530 is bent close to the position of periphery, and influences sealing effectiveness.

In above-mentioned, the water shutoff first 510 can be the demountable structure that two component combinations are formed, and so facilitate other zero The installation of part.Certainly, the water shutoff first 510 or integrally formed structure, can so simplify installation steps.The water shutoff First 510 be substantially in axially strip along the water hole 5112, such as cylindric or cube shape.Certainly, in the utility model simultaneously Not first to the water shutoff 510 shape is defined.In one embodiment, the water shutoff first 510 is upper including being detachably connected Lid 511 and lower cover 512, and the upper lid 511 is tightly connected with the lower cover 512, the upper lid 511 deviates from the lower cover 512 Surface be the first surface 5111, the lower cover 512 is the second surface 5121 away from the surface of the upper lid 511. Specifically, the annular seal 5113 is located on the upper lid 511, and is set close to the first surface 5111, so makes The upper lid 511 is obtained towards one end of the lower cover 512 in a larger open setting.By using upper lid 511 and lower cover 512 The form to form the water shutoff first 510 is detachably connected, the push rod 520, sealing ring 530 and dynamic clamping head and quiet clamping head can be facilitated 540 installation, while also allow for the cleaning inside the water shutoff first 510.

Described one end of dynamic clamping head and quiet clamping head 540 abuts with the shaft shoulder 521, and the other end and the lower cover 512 are towards on described The surface of lid 511 abuts.In this way, when direction motion of the stress of push rod 520 towards the second surface 5121, the shaft shoulder The 521 extruding dynamic clamping head and quiet clamping heads 540 so that the dynamic clamping head and quiet clamping head 540 produces elastic deformation.When the stress of push rod 520 After disappearance, the dynamic clamping head and quiet clamping head 540 recovers elastic deformation and the shaft shoulder 521 is pushed up back into original position, realizes the sealing ring 530 seal against with the annular seal 5113.It is spacing to be carried out to the dynamic clamping head and quiet clamping head 540, prevent it by crowded Pressure and radially direction is ejected, the lower cover 512 is provided with mounting groove 5123, the elasticity towards the surface of the upper lid 511 The other end of return unit 540 abuts with the bottom land of the mounting groove 5123；The lower cover 512 the mounting groove 5123 with it is described Part between water hole 5112 is the blocking part 5122.Preferably, the mounting groove 5123 is along the water hole 5112 Circumferentially disposed annular groove, then the blocking part 5122 is also annular in shape.In certain embodiments, the dynamic clamping head and quiet clamping head 540 is in Tubular, and be set on the blocking part 5122, so prevent moving radially for the dynamic clamping head and quiet clamping head 540.At other In embodiment, the water shutoff component includes multiple dynamic clamping head and quiet clamping heads 540, and multiple dynamic clamping head and quiet clamping heads 540 are along the peace 5123 circumferentially-spaced distribution of tankage.

Incorporated by reference to reference to figure 15, the side face of push rod 520 is provided with tank 522, and the tank 522 is from the push rod 520 On the end face of the first surface 5111, the annular groove is axially extended to along the push rod 520.Preferably, the push rod 520 side faces are provided with multiple tanks 522, and multiple tanks 522 are spaced apart along the side face of push rod 520, are thusly-formed Multiple aquaporins, when the sealing ring 530 is away from the annular seal 5113, the aquaporin supplies water and flows rapidly into institute State in filter core, or quickly flowed out for the water in the filter core.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (13)

1. a kind of filter core, for water purifier, it is characterised in that the filter core includes：

Filter element body, there is the first end being oppositely arranged and the second end, the first end is provided with the intercommunicating pore connected with its inside, The end face at second end is provided with connection protuberance；With,

End cap, which is provided with the sleeve joint hole being sheathed in the connection protuberance, the sleeve joint hole hole wall and the connection protuberance its One of be provided with spacing preiection, another to be provided with stopper slot, the stopper slot circumferentially extends along the filter element body, when the end cap When being rotated relative to second end, the spacing preiection can be slipped into the stopper slot, and relatively described stopper slot is described in Filter element body is circumferentially slided, so that the end cap is rotatably assorted with second end, and is limited the end cap and is departed from the filter core Body；And the end cap is used to be connected with the housing of the water purifier.

2. filter core as claimed in claim 1, it is characterised in that the stopper slot is located on the perisporium of the connection protuberance, institute Spacing preiection is stated to be located on the hole wall of the sleeve joint hole.

3. filter core as claimed in claim 2, it is characterised in that the connection protuberance is in the radial direction in the filter element body Strip is set, and to be located at long perisporium and short perisporium, the stopper slot on the short perisporium, and is run through and the short perisporium phase Two adjacent perisporiums are set；The spacing preiection can be slipped into the stopper slot along the long perisporium.

4. filter core as claimed in claim 3, it is characterised in that the perisporium of the connection protuberance and the sleeve joint hole hole wall its One of be provided with storage tank, it is another to be provided with backstop groove；The filter core also includes the elastic buckles being connected with the cell wall of the storage tank, The elastic buckles have the squeezed state being placed in completely in the storage tank, and at least partly protrude from outside the storage tank And the free state in the backstop groove；When the elastic buckles are in the free state, the spacing preiection is located at In the stopper slot.

5. filter core as claimed in claim 4, it is characterised in that described elastic buckles one end is connected with the side wall of the storage tank, Another side is free end, and the elastic buckles have the squeezed state being placed in completely in the storage tank, and part is protruded In the free state of the storage tank.

6. filter core as claimed in claim 4, it is characterised in that the backstop groove circumferentially extends along the filter element body, so that The elastic buckles can relatively described backstop groove move in the circumferential direction.

7. filter core as claimed in claim 4, it is characterised in that the perisporium of the connection protuberance and circumferentially-spaced be provided with two along its Stop ledge, the backstop groove is formed between two stop ledges.

8. the filter core as described in claim 4 to 7 any one, it is characterised in that the bottom wall of the backstop groove, which is serrated, to be set Put, the elastic buckles engage with the bottom wall.

9. a kind of water purifier, it is characterised in that the water purifier includes the filter core as described in claim 1-8 any one.

10. water purifier as claimed in claim 9, it is characterised in that the water purifier includes housing, the filter core and the shell Body clamping.

11. water purifier as claimed in claim 10, it is characterised in that the side face of the end cap is provided with fixture block, the fixture block bag Include：

First limiting section, it is axially extending along the end cap；With

Second limiting section, it is connected close to one end of the filter element body with first limiting section, and circumferentially prolongs along the end cap Stretch；

The housing is cylindrical in shape setting, and to form an installation cavity, the filter element body is stretched into the installation cavity；The installation cavity End face and cavity wall between be provided with breach, the breach has along the axially extending multiple groove sidewalls of the installation cavity, Yi Jiyu The groove bottom wall of the groove sidewall connection a, wherein groove sidewall is provided with snap fit tabs；

The fixture block is located in the breach, and second limiting section be held on the groove bottom wall and the snap fit tabs it Between.

12. water purifier as claimed in claim 11, it is characterised in that first limiting section has spigot surface, the guiding Face is set away from second limiting section, and the spigot surface is in the axial direction close to the filter element body, gradually towards described second Limiting section is obliquely installed；

The multiple groove sidewall includes being oppositely arranged and along two the first side walls of the circumferentially-spaced arrangement of the installation cavity, wherein an institute The first side wall is stated on the direction away from the groove bottom wall, another the first side wall is gradually distance from and is obliquely installed, the inclination is set The first side wall put and the spigot surface form fit；The snap fit tabs are located on another the first side wall.

13. the water purifier as described in claim 9-12 any one, it is characterised in that the water purifier also includes water shutoff component And plate of water route, wherein, the water shutoff component includes：

Water shutoff head, there is the first surface and second surface being oppositely arranged, the water shutoff head, which is provided with, runs through the first surface With the water hole of the second surface, annular seal is convexly equipped with the water hole hole wall；

Push rod, stretch into the water hole, and can be moved along the axial direction of the water hole；

Sealing ring, fixation are set on the push rod, and between the annular seal and the second surface, and it is described Sealing ring have the first state that is mutually sealed against with the annular seal and with the annular seal separately the Two-state；And

Dynamic clamping head and quiet clamping head, the water shutoff head and the push rod are connected, first shape is reset to have the sealing ring The trend of state；

The plate of water route is provided with connecting hole and the water shutoff component, and the water shutoff component is tightly connected with the plate of water route, institute The second surface for stating water shutoff component is set close to the plate of water route, and the water hole of the water shutoff component connects with the connecting hole It is logical；

The filter element body first end is provided with another water shutoff component；Another water shutoff component connects with first end sealing Connect, and the second surface of another water shutoff component is set close to the filter element body, the water hole of another water shutoff component Connected with the intercommunicating pore；

Water shutoff component on the filter core is tightly connected with the water shutoff component in the plate of water route, and the first of the two water shutoff components Surface is oppositely arranged, and the push rod of the two water shutoff components is coaxially disposed and mutually supported, to cause two push rods court respectively Move and cause the two water shutoff components connections in the direction being located remotely from each other.