CN219102102U - Up-down pulling switching type tap water purifier - Google Patents

Abstract

The utility model discloses an up-down pulling switching type tap water purifier which comprises a filter element, a raw water valve core and a water purifying valve core, wherein a filtering water feeding port is communicated with the filter element, the raw water valve core is connected with a second reset spring, and the water purifying valve core is connected with a third reset spring; the switching piece is provided with a driving shaft, and an opening boss for jacking up the raw water valve core to open the raw water outlet or jacking up the water purification valve core to open the filtering water feeding port is formed on the driving shaft; the deflector rod is provided with a water purification switching pushing part for pushing the switching piece inwards so that the opening boss is switched from a state of jacking up the raw water valve core to a state of jacking up the water purification valve core; the three-way piece is connected with a first reset spring for applying outward thrust to the switching piece. The tap water purifier has convenient switching operation, and the deflector rod can intuitively express the current gear of the tap water purifier, thereby being convenient to use.

Description

Up-down pulling switching type tap water purifier

Technical Field

The utility model relates to the field of faucet water purifiers, in particular to an up-and-down pulling switching faucet water purifier.

Background

At present, a tap water purifier is used for being installed at an outlet of a tap, the tap water purifier is provided with a filter, a filter core for filtering sundries in tap water is arranged in the filter, the tap water purifier is provided with two gears of purified water and raw water, when the tap water is switched to the raw water gear, tap water from the tap is directly discharged from the raw water outlet of the tap water purifier, when the tap water is switched to the purified water gear, tap water from the tap is input into the filter, filtered and then discharged from the purified water outlet of the tap water purifier, and the defects exist in the prior art tap water purifier, for example, the switching operation is not visual due to the key-type switching structure, a user cannot easily perceive the gear in which the tap water purifier is positioned before the tap water is opened, and other tap water purifier gear switching structures also have the defect of inconvenient operation, so the prior art tap water purifier needs to be improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an up-and-down pulling switching type tap water purifier which is beneficial to convenient switching operation.

The aim of the utility model is achieved by the following technical scheme.

The utility model discloses an up-and-down pulling switching type tap water purifier, which comprises a filter element; the water channel switching assembly comprises a three-way piece, wherein the three-way piece is provided with a water inlet, a raw water outlet and a filtering water feeding port, and the filtering water feeding port is communicated with the filter element; the water path switching assembly further comprises a raw water valve core for closing the raw water outlet and a water purifying valve core for closing the filtering water feeding port, the raw water valve core and the water purifying valve core are respectively arranged in the three-way piece in a sliding manner, the raw water valve core is connected with a second reset spring for pressing the raw water valve core on the raw water outlet to close the raw water outlet, and the water purifying valve core is connected with a third reset spring for pressing the water purifying valve core on the filtering water feeding port to close the filtering water feeding port; the waterway switching assembly further comprises a switching piece which is arranged in a sliding manner, wherein a driving shaft is formed on the switching piece, and an opening boss for jacking the raw water valve core to open the raw water outlet or jacking the water purification valve core to open the filtering water feeding port is formed on the driving shaft; the waterway switching assembly further comprises a deflector rod which is arranged in a swinging manner and used for operating and switching the raw water gear and the purified water gear, the deflector rod is provided with a purified water switching pushing part which is used for pushing the switching piece inwards so that the opening boss is switched from a state of jacking the raw water valve core to a state of jacking the purified water valve core, and the three-way piece is connected with a first reset spring which is used for applying an outward pushing force to the switching piece.

Preferably, an avoidance hole is formed in the middle of the raw water valve core in the up-down direction, a first sliding block used for being in contact connection with the driving shaft is formed at the upper edge of the avoidance hole in a downward extending mode, a first sealing rubber block used for being in contact with the edge portion of the raw water outlet is arranged at the lower end of the raw water valve core, and the driving shaft penetrates through the avoidance hole.

Preferably, a guide post is formed at the upper end of the raw water valve core, a water passing net cover is correspondingly arranged at the water inlet, a water inlet hole is formed in the water passing net cover, a cylinder cover is formed in the water passing net cover, and the guide post is correspondingly and slidably connected in the cylinder cover.

Preferably, a water through hole is formed at the top of the cylinder cover.

Preferably, the tap water purifier further comprises an upper shell and a lower shell, the three-way piece is arranged in a cavity surrounded by the upper shell and the lower shell, the upper shell is provided with a cup shell part, the filter element is arranged in the cup shell part, the upper shell is provided with a second sleeve part, the cup shell part is provided with a filter inlet, the second sleeve part and the cup shell part are communicated through the filter inlet, the three-way piece is provided with a first sleeve part, and the filter water inlet is communicated with one end of the first sleeve part; the pipe also comprises a water pipe, one end of the water pipe is inserted into the other end corresponding to the first sleeve part, and the other end corresponding to the water pipe is inserted into the second sleeve part.

Preferably, the edge portion of the upper housing is fastened to the edge portion of the lower housing.

Preferably, the tap water purifier of the present utility model further comprises an outer casing for shielding a gap between the upper casing and the lower casing, an upper portion of the outer casing is adapted to be disposed outside the upper casing, and a lower portion of the outer casing is adapted to be disposed outside the lower casing.

Preferably, an upper insertion hole is formed in the upper housing, a lower insertion hole is formed in the lower housing, a positioning column extending in the up-down direction is formed on the inner side of the outer housing, the upper insertion hole is connected with the upper portion of the positioning column in an adapting manner, and the lower insertion hole is connected with the lower portion of the positioning column in an adapting manner.

Preferably, the upper insertion hole is formed with a first notch penetrating the upper housing outwards, the lower insertion hole is formed with a second notch penetrating the lower housing outwards, the inner wall of the outer shell is formed with a connecting sheet connected with the positioning column into a whole, the upper part of the connecting sheet is arranged in the first notch, and the lower part of the connecting sheet is arranged in the second notch.

Preferably, the outer casing is formed with a limiting hole for limiting the deflector rod, and the deflector rod passes through the limiting hole.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the raw water valve core that is used for sealing the raw water export and be used for sealing the water purification case of filtering the water feed gap, the raw water valve core is connected with the second reset spring that is used for pressing the raw water valve core on the raw water export with the confined raw water export, the water purification case is connected with the third reset spring that is used for pressing the water purification case on filtering the water feed gap with the confined water feed gap, set up to be formed with on the drive shaft and be used for jack-up the raw water valve core in order to open the raw water export or jack-up water purification case in order to open the open position boss of filtering the water feed gap, set up and be used for operating the driving lever of switching raw water gear and water purification gear and be used for exerting the first reset spring of outside thrust to the changeover member, be favorable to making the switching operation of raw water gear and water purification gear convenient.

Drawings

Fig. 1 is a schematic perspective view of an up-and-down pulling switching faucet water purifier according to the present utility model.

Fig. 2 is an exploded view of the up-and-down pulling switch faucet water purifier of the present utility model.

Fig. 3 is a schematic bottom perspective view of the upper housing of the present utility model.

Fig. 4 is a schematic top perspective view of the lower housing of the present utility model.

Fig. 5 is a schematic top perspective view of the jacket of the present utility model.

Fig. 6 is a schematic cross-sectional view of the up-and-down pulling switching type faucet water purifier of the present utility model in a raw water gear position.

Fig. 7 is a schematic cross-sectional view of the up-and-down pulling switch faucet water purifier of the present utility model in a water purification gear.

Fig. 8 is a schematic cross-sectional view of the waterway switching assembly of the present utility model in a raw water gear.

Fig. 9 is a schematic cross-sectional view of the waterway switching assembly of the present utility model in a purified water gear.

Fig. 10 is a schematic bottom perspective view of the waterway switching assembly of the present utility model.

Fig. 11 is a schematic top perspective view of the waterway switching assembly of the present utility model.

Fig. 12 is an exploded view of the waterway switching assembly of the present utility model.

Fig. 13 is a schematic perspective sectional view of a three-way member of the waterway switching assembly of the present utility model.

Fig. 14 is a first visual perspective view of a switching member of the waterway switching assembly of the present utility model.

Fig. 15 is a schematic view of a second visual perspective structure of a switching member of the waterway switching assembly of the present utility model.

Fig. 16 is a schematic perspective view of a raw water valve core of the waterway switching assembly of the present utility model.

Fig. 17 is a schematic perspective view of a driving block of the waterway switching assembly of the present utility model.

Fig. 18 is a schematic perspective view of a handle of the waterway switching assembly of the present utility model.

Fig. 19 is a schematic perspective view of a water passing net cover of the waterway switching assembly of the present utility model.

Fig. 20 is a schematic view showing a bottom partial perspective structure of the up-and-down pulling switching faucet water purifier of the present utility model.

Description of the reference numerals: 100-waterway switching assembly; 1-a tee piece; 11-a support plate; 101-a water inlet; 102-a raw water outlet; 103-filtering a water feeding port; 104-supporting holes; 105-a first sleeve part; 12-an externally threaded joint portion; 2-switching parts; 21-a drive shaft; 2101-raw water closing position groove; 2102-clean water closing position groove; 2103—open position boss; 22-pushing plate; 2201-first positioning slots; 2202-second detent; 3-a raw water valve core; 31-a first slider; 32-a first sealant block; 33-guide posts; 301-avoiding holes; 4-a water purifying valve core; 42-a second sealant block; 5-a deflector rod; 51-handle; 511-a plug stem; 52-a driving block; 521-a raw water gear contact part; 522-a water purification switching pushing part; 523-a hinge shaft portion; 6-a first return spring; 7-a water passing net cover; 701-a water inlet hole; 71-a cylinder cover; 7101-a water hole; 8-a second return spring; 9-a third return spring; 200-an upper housing; 2001-second sleeve portion; 2002-filtration inlet; 2003-upper insertion holes; 2004-ear; 2005-purified water outlet; 2006-a cup portion; 2007-first notch; 300-a lower housing; 3001-lower insertion holes; 3002-clasp; 3003-supporting columns; 3004-raw water drain; 3005-second notch; 400-an outer sleeve; 4001-positioning columns; 4002-limiting holes; 4003-a connecting piece; 500-a filter element; 6001-a sealing gasket; 6002-tap joint; 6003-locking ring; 700-cartridge cover; 800-water delivery pipe.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The up-and-down pulling switching type tap water purifier disclosed by the utility model, as shown in fig. 2 and 6, comprises a filter element 500, wherein the filter element 500 belongs to the prior art, and the filter element 500 is used for filtering impurities such as rust, sediment and the like in tap water.

As shown in fig. 2 and 6, the tap water purifier of the present utility model further includes a waterway switching assembly 100, and the waterway switching assembly 100. As shown in fig. 8 to 12, the waterway switching assembly 100 includes a three-way member 1, the three-way member 1 is formed with a water inlet 101, a raw water outlet 102 and a filtering water feed port 103, the filtering water feed port 103 is communicated with a filter element 500, the water inlet 101 is formed at an upper portion of the three-way member 1, the raw water outlet 102 and the filtering water feed port 103 are formed at a lower portion of the three-way member 1, and the water inlet 101, the raw water outlet 102 and the filtering water feed port 103 are communicated with each other. As shown in fig. 8 to 12, the waterway switching assembly 100 further includes a raw water valve core 3 for closing the raw water outlet 102 and a water purification valve core 4 for closing the water filtration feed port 103, the raw water valve core 3 and the water purification valve core 4 are slidably disposed in the three-way member 1, respectively, the raw water valve core 3 is connected with a second return spring 8 for pressing the raw water valve core 3 against the raw water outlet 102 to close the raw water outlet 102, that is, the elastic force of the second return spring 8 can keep the raw water valve core 3 in a position for closing the raw water outlet 102, the raw water valve core 3 and the water purification valve core 4 can move up and down in the three-way member 1, respectively, and the water purification valve core 4 is connected with a third return spring 9 for pressing the water purification valve core 4 against the water filtration feed port 103 to close the water filtration feed port 103.

As shown in fig. 8 to 11, the waterway switching assembly 100 further includes a switching member 2 slidably disposed, as shown in fig. 14 and 15, the switching member 2 is formed with a driving shaft 21, specifically, as shown in fig. 8, the driving shaft 21 is slidably connected with the three-way member 1, as shown in fig. 13, specifically, the three-way member 1 is formed with a supporting hole 104, the driving shaft 21 is adapted to be connected with the supporting hole 104, so that the driving shaft 21 can reciprocate along an axial direction of the driving shaft 21, the reciprocating direction of the driving shaft 21 is perpendicular to the sliding direction of the raw water valve core 3 and the water purification valve core 4, as shown in fig. 8 and 9, the driving shaft 21 is used for contact connection with the raw water valve core 3 and the water purification valve core 4, specifically, as shown in fig. 1, 2 and 8, an opening position boss 2103 for contact jack up the raw water valve core 3 to open the raw water outlet 102 or contact jack up the water purification valve core 4 to open the filtering water feeding port 103 is formed on the driving shaft 21.

As shown in fig. 8 to 11, the waterway switching assembly 100 further includes a lever 5 swingably provided for operating the switching of the raw water gear and the purified water gear, specifically, the lever 5 is hinged with the three-way member 1, and as shown in fig. 8 and 17, the lever 5 is provided with a purified water switching pushing portion 522 for pushing the switching member 2 inward to switch the opening boss 2103 from a state of lifting up the raw water valve core 3 to a state of lifting up the purified water valve core 4 (herein, referred to as "inward" is directed toward the inside of the three-way member 1).

As shown in fig. 8, 10 and 12, the three-way member 1 is connected with a first return spring 6 for applying an outward pushing force to the switching member 2 (herein, "outward" means directed to the outside of the three-way member 1), in other words, the switching member 2 can be reset by the elastic restoring force of the first return spring 6, specifically, as shown in fig. 7 and 8, the switching member 2 is formed with a push plate 22, the middle part of the back surface of the push plate 22 is connected with one end of a driving shaft 21, the first return spring 6 is sleeved on a convex tube of the outside of the three-way member 1, the supporting hole 104 is located at the center of the convex tube, the first return spring 6 is provided between the outer wall of the three-way member 1 and the back surface of the push plate 22, and the driving shaft 21 is provided through the first return spring 6.

The working principle of the utility model is briefly described below: in fig. 6 and 8, the water purifier of the present utility model is in a raw water gear, at this time, the opening boss 2103 lifts up the raw water valve core 3, the second return spring 8 is further elastically compressed and deformed to separate the raw water valve core 3 from the raw water outlet 102, the water purifying valve core 4 is pressed against the filtering water feeding port 103 by the elastic force of the third return spring 9 to close the filtering water feeding port 103, as shown by arrows in fig. 6 and 8, tap water enters the inner cavity of the three-way member 1 from the water inlet 101, and then flows in from between the raw water valve core 3 and the raw water outlet 102 and passes through the raw water outlet 102, and then the tap water is in a raw water state and is discharged; as shown in fig. 7, when the lever 5 is swung downward by hand so that the water purification switching pushing part 522 follows the swing around the swing center of the lever 5, then the water purification switching pushing part 522 can push the switching member 2 in the inner direction of the three-way member 1, specifically, can be the water purification switching pushing part 522 contacts and pushes the push plate 22 so that the first return spring 6 is elastically compressed and deformed, since the swing center of the lever 5 is located at the lower side of the axis of the first return spring 6 (the first return spring 6 is coaxially disposed with the driving shaft 21), then in the free state shown in fig. 7, since the elastic force of the first return spring 6 is supported by the swing center of the lever 5, and since the arm of force of the pushing force of the first return spring 6 against the swing center of the lever 5 by the water purification switching pushing part 522 is short in the state shown in fig. 7 and 9, the moment of the elastic force of the first return spring 6 against the swing center of the water purification switching pushing part 522 around the lever 5 can be offset by the friction force between the lever 5 and the three-way member 1, then the lever 5 can be balanced by the force to realize the self-locking in the state shown in fig. 7; since the driving shaft 21 moves toward the inside of the three-way member 1, the water purifying valve core 4 is relatively slid up to the opening boss 2103, the raw water valve core 3 is relatively slid out of one side of the opening boss 2103, the filtering water supply port 103 is opened, the raw water valve core 3 is pushed down to be reset by the elastic restoring force of the second restoring spring 8 to close the raw water outlet 102, and then tap water flows through the filtering water supply port 103 as shown by an arrow in fig. 9, and then reaches the filter core 500, thereby realizing the switching to the water purifying gear. In order to allow the raw water valve cartridge 3 and the water purification valve cartridge 4 to slide up or down the opening boss 2103 relatively easily, as shown in fig. 15, the opening boss 2103 may be provided in an isosceles trapezoid shape such that both sides of the opening boss 2103 form guide slopes, respectively. As shown in fig. 8 and 9, when the lever 5 is moved up by hand, so that the lever 5 swings up, in the process, the clean water switching pushing part 522 swings out away from the push plate 22, and the push plate 22 is simultaneously moved out under the elastic restoring force of the first restoring spring 6, so that the raw water valve core 3 relatively slides up the opening boss 2103, and the clean water valve core 4 relatively slides down to the outside of the other side corresponding to the opening boss 2103, thereby switching back to the raw water gear. As can be seen from the above description, the waterway switching structure of the present utility model can realize the mutual switching of the raw water gear and the purified water gear by easily pulling the deflector rod 5, and the operation process is simple and convenient, for example, the deflector rod 5 may be set to correspond to the raw water gear in the obliquely upward position shown in fig. 6 and 8, and the deflector rod 5 may be set to correspond to the purified water gear in the obliquely downward position shown in fig. 7 and 9, and the swing angle of the deflector rod 5 from the raw water gear to the purified water gear may be set to about 90 °. In the daily use process, when the tap is closed, the current gear state of the tap water purifier can be intuitively expressed due to the position state of the deflector rod 5, so that a user can easily judge the gear state of the tap water purifier according to the position state of the deflector rod 5, the need of careful observation of the user is avoided, the convenient use is facilitated, and the old people also have good use experience.

Further, as shown in fig. 16, the raw water valve core 3 is formed with a dodging hole 301 in the middle in the up-down direction, as shown in fig. 8 and 16, the upper edge of the dodging hole 301 is formed with a first slider 31 extending downward for contact connection with the driving shaft 21, the first slider 31 may be formed in an inverted triangle shape, the lower tip of the first slider 31 may slide relatively on the driving shaft 21, as shown in fig. 15, two sides of the opening position boss 2103 are respectively formed with a raw water closing position groove 2101 and a purified water closing position groove 2102, as shown in fig. 9, when in the purified water gear, the first slider 31 is located in the raw water closing position groove 2101, and the raw water closing position groove 2101 plays a role of dodging the first slider 31. As shown in fig. 16, the lower end of the raw water valve core 3 is provided with a first sealing glue block 32 for contacting with the edge part of the raw water outlet 102, the first sealing glue block 32 can be made of silicone rubber, as shown in fig. 8, the first sealing glue block 32 is buckled on the lower end part of the raw water valve core 3, as shown in fig. 8, the driving shaft 21 passes through the avoiding hole 301, and the structure layout is reasonable, so that the combined structure of the raw water valve core 3 and the driving shaft 21 is compact, the opening boss 2103 can easily jack up the raw water valve core 3, and the layout is convenient, so that the position of the first sealing glue block 32 corresponds to the raw water outlet 102.

Further, as shown in fig. 16, the upper end portion of the raw water valve core 3 is formed with a guide post 33, as shown in fig. 9 and 11, the water inlet 101 is correspondingly provided with a water passing net cover 7, a water inlet hole 701 is formed in the water passing net cover 7, so that the running water can enter the inner cavity of the three-way member 1 through the water inlet hole 701, as shown in fig. 19, the water passing net cover 7 is formed with a cylinder cover 71, the guide post 33 is adapted to be slidingly connected in the corresponding cylinder cover 71, and the raw water valve core 3 can be stably moved to open or close the raw water outlet 102 through the guiding function of the cylinder cover 71. As shown in fig. 8, the second return spring 8 may be sleeved on the guide post 33, and the upper end of the second return spring 8 is in contact with the lower end edge portion of the cartridge cover 71, and the lower end of the second return spring 8 is in contact with the step on the raw water cartridge 3, so that the elastic force of the second return spring 8 can be transferred to the raw water cartridge 3.

Further, as shown in fig. 19, a water through hole 7101 is formed at the top of the cylinder cover 71, as shown in fig. 8 and 9, since the guide post 33 can squeeze the water in the cylinder cover 71 when sliding upwards in the cylinder cover 71, the water in the cylinder cover 71 can be discharged in time by arranging the water through hole 7101, the water in the cylinder cover 71 is prevented from obstructing the guide post 33 to move upwards, and when the guide post 33 moves downwards, the water outside the cylinder cover 71 can be supplemented into the cylinder cover 71 in time through the water through hole 7101, so that the influence of the negative pressure formed in the cylinder cover 71 on the downward movement of the raw water valve core 3 is avoided.

As shown in fig. 8 and 12, the structure principle of the water purification cartridge 4 may be set to be the same as that of the raw water cartridge 3, the water purification cartridge 4 including a second packing block 42, the second packing block 42 being for closing the filter water feed port 103; as shown in fig. 8, in the raw water gear, the second slider of the water purification valve core 4 is located in the water purification closing position groove 2102, while the first slider 31 of the raw water valve core 3 is contacted and jacked by the opening position boss 2103, and the water purification closing position groove 2102 is used for avoiding the second slider of the water purification valve core 4; as shown in fig. 9, in the water purification gear, the second slider of the water purification cartridge 4 is lifted up by the opening position boss 2103, and the first slider 31 of the raw water cartridge 3 is positioned in the raw water closing position groove 2101; since the structure principle of the water purification cartridge 4 can be set to be the same as that of the raw water cartridge 3, the structure of the water purification cartridge 4 will not be described here.

Further, as shown in fig. 8, the lever 5 includes a handle 51 and a driving block 52, as shown in fig. 17, a water purification switching pushing portion 522 is formed on the driving block 52, as shown in fig. 18, an inserting rod portion 511 is formed at one end of the handle 51, the inserting rod portion 511 is adapted to be inserted into the driving block 52, and the handle 51 and the driving block 52 can be fastened or connected in an interference manner, and as the handle 51 and the driving block 52 are in a split type combined structure, the difficulty in manufacturing the lever 5 is reduced, and the manufacturing cost is reduced.

Further, as shown in fig. 13, the support plate 11 is formed on the outside of the three-way member 1, as shown in fig. 17, the hinge shaft portion 523 is formed on the driving block 52, specifically, the hinge shaft portion 523 may be formed on the driving block 52, as shown in fig. 11, the shift lever 5 is hinged with the support plate 11 through the hinge shaft portion 523, specifically, a hinge hole is formed on the support plate 11, the hinge shaft portion 523 is fitted in the hinge hole, and thus the shift lever 5 can swing around the axis of the hinge shaft portion 523, and the above-mentioned structure is simple and reasonable. As shown in fig. 14, a first detent 2201 and a second detent 2202 may be formed on the outer side surface of the push plate 22, and as shown in fig. 17, a raw water gear contact portion 521 is formed on the upper portion of the driving block 52, the raw water gear contact portion 521 is located on the upper side of the hinge shaft portion 523, and the purified water switching push portion 522 is located on the lower side of the hinge shaft portion 523, and the distance from the raw water gear contact portion 521 to the axis of the hinge shaft portion 523 is smaller than the distance from the purified water switching push portion 522 to the axis of the hinge shaft portion 523, so that when the lever 5 swings to the position shown in fig. 8, the switching member 2 is located at a relatively outer position, thereby causing the opening position boss 2103 to realize the gear switching function. In the free state shown in fig. 8, the elastic force of the first return spring 6 still acts on the switch 2, the elastic force of the first return spring 6 is supported by the support plate 11, and since the raw water gear position contact portion 521 is in contact with the bottom of the first positioning groove 2201 and the purified water switch pushing portion 522 is in contact with the bottom of the second positioning groove 2202, the resultant moment of the first return spring 6 on the drive block 52 around the hinge shaft portion 523 is cancelled by the friction force between the hinge shaft portion 523 and the support plate 11, and the drive block 52 can be balanced in force and is stationary in the raw water gear position state shown in fig. 8.

Further, as shown in fig. 1 to 7, the tap water purifier of the present utility model further comprises an upper housing 200 and a lower housing 300, the three-way member 1 is disposed in a cavity defined by the upper housing 200 and the lower housing 300, specifically, as shown in fig. 13, an external threaded joint portion 12 is formed at an upper portion of the three-way member 1, and the external threaded joint portion 12 protrudes upward from the upper housing 200; as shown in fig. 3, the upper housing 200 is formed with a cup portion 2006, the cup portion 2006 is located within the upper housing 200 in a top view, as shown in fig. 1, 2 and 6, the filter element 500 is provided in the cup portion 2006, as shown in fig. 3, the upper housing 200 is formed with a second sleeve portion 2001, the cup portion 2006 is formed with a filter inlet 2002, the second sleeve portion 2001 is communicated with the cup portion 2006 through the filter inlet 2002, specifically, the second sleeve portion 2001 is parallel to the cup portion 2006, the second sleeve portion 2001 is abutted against an outer side of the cup portion 2006, a wall body of the second sleeve portion 2001 is integrally connected with a wall body of the cup portion 2006, as shown in fig. 13, the three-way member 1 is formed with a first sleeve portion 105, and the filter water feeding port 103 is communicated with one end of the first sleeve portion 105; as shown in fig. 2 and 7, the tap water purifier of the present utility model further includes a water pipe 800, one end of the water pipe 800 is inserted into the other end corresponding to the first sleeve portion 105, and the other end corresponding to the water pipe 800 is inserted into the second sleeve portion 2001. The water pipe 800 may be specifically shaped like a right-angle elbow, and two ends of the water pipe 800 are respectively provided with a corresponding sealing ring. As shown in fig. 7, when the tap water purifier of the present utility model is in a water purification position, tap water discharged from the filter water supply port 103 enters the water pipe 800 through the first sleeve portion 105, then enters the second sleeve portion 2001 and enters the shell portion 2006 through the filter inlet 2002, as shown in fig. 1 and 2, the tap water purifier of the present utility model further comprises a cartridge cover 700, as shown in fig. 7, the lower end of the cartridge cover 700 is rotatably mounted with the upper end of the shell portion 2006, a corresponding sealing ring is provided between the inner wall of the cartridge cover 700 and the upper outer end of the shell portion 2006, and in addition, a corresponding sealing ring is also provided between the lower end of the cartridge 500 and the inner wall of the shell portion 2006, so tap water does not leak when entering the space between the inner wall of the shell portion 2006 and the outside of the cartridge 500, so that tap water is filtered through the fine pore structure of the cartridge 500 and discharged from the water outlet hole of the lower end of the cartridge 500. By arranging the water pipe 800, the cup shell 2006 is convenient to be connected with the three-way piece 1.

As shown in fig. 3, a purified water outlet 2005 is formed at the bottom of the cup portion 2006, and as shown in fig. 7, the purified water outlet 2005 is aligned with a water outlet hole connected to the lower end of the filter cartridge 500, so that purified water filtered through the filter cartridge 500 can be discharged from the purified water outlet 2005, more specifically, the purified water outlet 2005 protrudes downward out of the lower housing 300. As shown in fig. 4, a raw water discharge port 3004 is formed at the bottom of the lower housing 300, and as shown in fig. 6, the raw water discharge port 3004 is aligned under the raw water outlet 102, so that when the tap water purifier of the present utility model is in a raw water range, tap water is discharged from the raw water outlet 102 to the raw water discharge port 3004, and tap water is discharged downward from the raw water discharge port 3004.

As shown in fig. 1, 2 and 6, the tap water purifier of the present utility model further comprises a sealing gasket 6001, a tap joint 6002 and a locking ring 6003, wherein the sealing gasket 6001 is adapted to be disposed in an externally threaded joint portion 12 of the tee member 1, a water inlet 101 is disposed in the externally threaded joint portion 12, the tap joint 6002 is formed with an internal thread for screwing with an outlet of a tap, the locking ring 6003 is screwed with the externally threaded joint portion 12, an inner edge portion of the locking ring 6003 is fastened to a flange portion of the tap joint 6002, and thus, screwing the locking ring 6003 can cause the locking ring 6003 to press down the tap joint 6002, causing an edge portion of the tap joint 6002 to press against the sealing gasket 6001, thereby avoiding leakage of tap water, and tap water discharged from the tap passes through the tap joint 6002 and reaches the water inlet 101 through a central hole of the sealing gasket 6001.

Further, as shown in fig. 1 and 2, the edge portion of the upper case 200 is fastened to the edge portion of the lower case 300, specifically, as shown in fig. 3, the edge portion of the upper case 200 is formed with fastening lugs 2004, the fastening lugs 2004 are arranged at the periphery of the upper case 200 in a dispersed manner, as shown in fig. 4, the edge portion of the lower case 300 is formed with hooks 3002, and the hooks 3002 are fastened to the corresponding fastening lugs 2004, so that the assembly of the upper case 200 and the lower case 300 is quick and convenient.

Further, as shown in fig. 1 and 2, the tap water purifier of the present utility model further includes an outer casing 400 for blocking the gap between the upper casing 200 and the lower casing 300, an upper portion of the outer casing 400 is adapted to be disposed outside the upper casing 200, and a lower portion of the outer casing 400 is adapted to be disposed outside the lower casing 300, thus preventing dirt from accumulating in the gap between the upper casing 200 and the lower casing 300, facilitating cleaning, and also contributing to the overall look and feel of the tap water purifier of the present utility model.

Further, as shown in fig. 3, an upper insertion hole 2003 is formed in the upper housing 200, as shown in fig. 4, a lower insertion hole 3001 is formed in the lower housing 300, as shown in fig. 5, a positioning column 4001 extending in the up-down direction is formed on the inner side of the housing case 400, as shown in fig. 1, 2 and 20, the upper insertion hole 2003 is adapted to be connected with the upper portion of the positioning column 4001, and the lower insertion hole 3001 is adapted to be connected with the lower portion of the positioning column 4001, so that the housing case 400, the upper housing 200 and the lower housing 300 can be positioned accurately with each other by the positioning action of the positioning column 4001.

Further, as shown in fig. 3, the upper insertion hole 2003 is formed with a first notch 2007 penetrating the upper housing 200 outwards, the upper insertion hole 2003 is disposed near the edge portion of the upper housing 200, as shown in fig. 4, the lower insertion hole 3001 is formed with a second notch 3005 penetrating the lower housing 300 outwards, as shown in fig. 5, the inner wall of the jacket housing 400 is formed with a connecting piece 4003 integrally connected with the positioning column 4001, as shown in fig. 1 and 20, the upper portion of the connecting piece 4003 is disposed in the first notch 2007, and the lower portion of the connecting piece 4003 is disposed in the second notch 3005, that is, both the first notch 2007 and the second notch 3005 are used for avoiding the connecting piece 4003, so that it is advantageous to set the connecting piece 4003 and the positioning column 4001 to have a longer connection length along the axial direction of the positioning column 4001, and to increase the connection strength of the positioning column 4001 and the jacket housing 400.

Further, as shown in fig. 5, the outer housing 400 is formed with a limiting hole 4002 for limiting the lever 5, as shown in fig. 1 and 6, the lever 5 is disposed through the limiting hole 4002, that is, as shown in fig. 6, when the tap water purifier is in a raw water range, the lever 5 is abutted against an upper edge of the limiting hole 4002, as shown in fig. 7, when the tap water purifier is in a purified water range, the lever 5 is abutted against a lower edge of the limiting hole 4002, thereby facilitating the definition of the raw water range and the purified water range, and also facilitating the accurate stopping of the driving shaft 21 at a desired range position.

In the process of assembling the faucet water purifier of the present utility model, as shown in fig. 2, the outer casing 400 is first sleeved outside the lower casing 300 from bottom to top, the waterway switching assembly 100 is then installed inside the lower casing 300, concretely, the deflector rod 5 is first obliquely passed through the limit hole 4002 of the outer casing 400, as shown in fig. 4, the support column 3003 is formed inside the lower casing 300, the screw hole is formed at the upper end of the support column 3003, the three-way member 1 is fixed on the support column 3003 by means of the screw after the three-way member 1 is set in the position, as shown in fig. 17, the right side of the driving block 52 is hemispherical, the limit hole 4002 may be provided as a circular hole, then the hemispherical structure of the driving block 52 is partially sunk in the limit hole 4002, sundries are prevented from entering the outer casing 400 from the limit hole 4002, one end of the water pipe 800 is inserted into the first sleeve portion 105 of the three-way member 1, then the upper casing 200 is fastened to the lower casing 300, the support column 4001 is inserted into the upper and lower sleeve portion 3001, the upper sleeve portion 2003 and the lower sleeve 3001 are fastened, the upper sleeve portion 2003 and the lower sleeve portion 3001 are fastened by the screw hole are fastened, the upper sleeve portion 2003 and the lower sleeve portion 3001 are fastened by the screw, the screw is fastened to the upper sleeve portion and the lower sleeve portion 3003 is fastened to the upper sleeve portion of the filter core 2, the filter core is fastened to the filter core 500, the filter core is inserted into the upper sleeve portion 500, and the filter core is then screwed into the upper sleeve portion 500, and the upper sleeve portion is mounted in the upper sleeve portion is 500, and the filter core is mounted in the neck is 500, and the upper sleeve is further is mounted in the neck is 500.

In summary, the tap water purifier of the present utility model can switch the raw water gear and the purified water gear by pulling the lever 5 up and down, and the switching operation is simple, convenient and visual.

Claims (10)

1. The utility model provides a change formula tap water purifier pulls from top to bottom, includes filter core (500), its characterized in that: the water channel switching device is characterized by further comprising a water channel switching assembly (100), wherein the water channel switching assembly (100) comprises a three-way piece (1), the three-way piece (1) is provided with a water inlet (101), a raw water outlet (102) and a filtering water feeding port (103), and the filtering water feeding port (103) is communicated with the filter element (500);

the waterway switching assembly (100) further comprises a raw water valve core (3) for closing the raw water outlet (102) and a water purifying valve core (4) for closing the filtering water feeding port (103), the raw water valve core (3) and the water purifying valve core (4) are respectively arranged in the three-way piece (1) in a sliding manner, the raw water valve core (3) is connected with a second reset spring (8) for pressing the raw water valve core (3) on the raw water outlet (102) so as to close the raw water outlet (102), and the water purifying valve core (4) is connected with a third reset spring (9) for pressing the water purifying valve core (4) on the filtering water feeding port (103) so as to close the filtering water feeding port (103);

the waterway switching assembly (100) further comprises a switching piece (2) which is arranged in a sliding way, the switching piece (2) is provided with a driving shaft (21), and an opening boss (2103) for jacking the raw water valve core (3) to open the raw water outlet (102) or jacking the water purifying valve core (4) to open the filtering water feeding port (103) is formed on the driving shaft (21);

the waterway switching assembly (100) further comprises a deflector rod (5) which is arranged in a swinging manner and used for operating and switching the raw water gear and the purified water gear, the deflector rod (5) is provided with a purified water switching pushing part (522) which is used for pushing the switching piece (2) inwards so that the opening boss (2103) is switched from a state of jacking the raw water valve core (3) to a state of jacking the purified water valve core (4), and the three-way piece (1) is connected with a first reset spring (6) which is used for applying an outward pushing force to the switching piece (2).

2. The up-and-down pulling switch faucet water purifier of claim 1, wherein: the middle part in the upper and lower direction of the raw water valve core (3) is provided with an avoidance hole (301), the upper edge of the avoidance hole (301) extends downwards to form a first sliding block (31) used for being in contact connection with the driving shaft (21), the lower end of the raw water valve core (3) is provided with a first sealing rubber block (32) used for being in contact with the edge part of the raw water outlet (102), and the driving shaft (21) passes through the avoidance hole (301).

3. The up-and-down pulling switch faucet water purifier of claim 2, wherein: the raw water valve core (3) is characterized in that a guide pillar (33) is formed at the upper end part of the raw water valve core (3), a water passing net cover (7) is correspondingly arranged at the water inlet (101), a water inlet hole (701) is formed in the water passing net cover (7), a cylinder cover (71) is formed in the water passing net cover (7), and the guide pillar (33) is correspondingly connected in the corresponding cylinder cover (71) in a sliding mode.

4. The up-and-down pulling switch faucet water purifier of claim 3, wherein: a water through hole (7101) is formed at the top of the cylinder cover (71).

5. The up-and-down pulling switch faucet water purifier of claim 1, wherein: the filter comprises a shell, and is characterized by further comprising an upper shell (200) and a lower shell (300), wherein the three-way piece (1) is arranged in a cavity surrounded by the upper shell (200) and the lower shell (300), the upper shell (200) is provided with a shell part (2006), the filter element (500) is arranged in the shell part (2006), the upper shell (200) is provided with a second sleeve part (2001), the shell part (2006) is provided with a filtering inlet (2002), the second sleeve part (2001) and the shell part (2006) are communicated and arranged through the filtering inlet (2002), the three-way piece (1) is provided with a first sleeve part (105), and the filtering water delivery port (103) is communicated and arranged with one end of the first sleeve part (105); the water pipe (800) is inserted into the other end corresponding to the first sleeve part (105), and the other end corresponding to the water pipe (800) is inserted into the second sleeve part (2001).

6. The up-and-down pulling switch faucet water purifier of claim 5, wherein: the edge part of the upper shell (200) is buckled with the edge part of the lower shell (300).

7. The up-and-down pulling switch faucet water purifier of claim 6, wherein: the novel portable electronic device further comprises an outer casing (400) for shielding a gap between the upper casing (200) and the lower casing (300), wherein the upper part of the outer casing (400) is adapted to be arranged outside the upper casing (200), and the lower part of the outer casing (400) is adapted to be arranged outside the lower casing (300).

8. The up-and-down pulling switch faucet water purifier of claim 7, wherein: an upper inserting hole (2003) is formed in the upper casing (200), a lower inserting hole (3001) is formed in the lower casing (300), a positioning column (4001) extending in the vertical direction is formed in the inner side of the outer casing (400), the upper inserting hole (2003) is connected with the upper portion of the positioning column (4001) in an adapting mode, and the lower inserting hole (3001) is connected with the lower portion of the positioning column (4001) in an adapting mode.

9. The up-and-down pulling switch faucet water purifier of claim 8, wherein: the upper inserting hole (2003) is formed with a first notch (2007) penetrating the upper housing (200) outwards, the lower inserting hole (3001) is formed with a second notch (3005) penetrating the lower housing (300) outwards, a connecting sheet (4003) connected with the positioning column (4001) into a whole is formed on the inner wall of the outer housing (400), the upper part of the connecting sheet (4003) is arranged in the first notch (2007), and the lower part of the connecting sheet (4003) is arranged in the second notch (3005).

10. The up-and-down pulling switch faucet water purifier of claim 7, wherein: the outer sleeve (400) is provided with a limiting hole (4002) for limiting the deflector rod (5), and the deflector rod (5) passes through the limiting hole (4002).

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