CN219102103U - Waterway switching structure of tap water purifier - Google Patents

Abstract

The utility model discloses a waterway switching structure of a tap water purifier, which comprises a raw water valve core and a water purifying valve core, wherein the raw water valve core is connected with a second reset spring used for pressing the raw water valve core on a raw water outlet to seal the raw water outlet; 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 waterway switching structure is beneficial to convenient switching operation, and the deflector rod can intuitively express the current gear of the tap water purifier, thereby being convenient to use.

Description

Waterway switching structure of tap water purifier

Technical Field

The utility model relates to the field of waterway switching structures, in particular to a waterway switching structure of a tap 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, the tap water purifier is provided with two gears of purified water and raw water, tap water of the tap water purifier is directly discharged from a raw water outlet of the tap water purifier when the tap water is switched to the raw water gear, tap water from the tap is input into the filter when the tap water is switched to the purified water gear, and is discharged from the purified water outlet of the tap water purifier after being filtered, and the water and raw water gear switching structure of the tap water purifier in the prior art has the defects that, for example, a key-type switching structure causes the switching operation to be not intuitive, a user cannot easily perceive the gear of the tap water purifier before opening the tap water, and other tap water purifier gear switching structures have the defect of inconvenient operation, so that the waterway switching structure of the tap water purifier in the prior art is necessary to be improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a waterway switching structure of a 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 a waterway switching structure of a tap water purifier, which comprises a three-way piece, wherein the three-way piece is provided with a water inlet, a raw water outlet and a filtering water supply port; the water purifying valve comprises a water inlet, a water outlet, a water inlet, a water outlet, a water inlet and a water outlet, and is characterized by further comprising a raw water valve core for closing the raw water outlet and a water purifying valve core for closing the water inlet, wherein the raw water valve core and the water purifying valve core are respectively arranged in the three-way piece in a sliding way, 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 water inlet to close the water inlet; the water filter comprises a water inlet, a water outlet, a water purifying valve core, a water inlet and a water outlet, and is characterized by further comprising a switching piece, wherein the switching piece is provided with a driving shaft which is in sliding connection with the three-way piece, and an opening boss for jacking the raw water valve core to open the raw water outlet or jacking the water purifying valve core to open the water filtering and feeding port is formed on the driving shaft; the water purifying valve further comprises a deflector rod for operating and switching the raw water gear and the purified water gear, the deflector rod is hinged with the three-way piece, and the deflector rod is provided with a purified water 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 purified water valve core; the three-way piece is connected with a first reset spring for applying outward thrust 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 deflector rod comprises a handle and a driving block, the water purification switching pushing part is formed on the driving block, an inserting rod part is formed at one end of the handle, a barb part is formed at the end part of the inserting rod part, a notch is formed on the inserting rod part, the notch penetrates through the barb part, the inserting rod part is adapted to penetrate through the driving block, and the barb part is buckled with the driving block.

Preferably, a support plate is formed on the exterior of the three-way member, a hinge shaft portion is formed on the driving block, and the lever is hinged to the support plate through the hinge shaft portion.

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 sectional view of a waterway switching structure of a tap water purifier of the present utility model in a raw water gear.

Fig. 2 is a schematic sectional view of a waterway switching structure of the tap water purifier of the present utility model in a water purification gear.

Fig. 3 is a schematic bottom perspective view of the waterway switching structure of the tap water purifier of the present utility model.

Fig. 4 is a schematic top perspective view of a waterway switching structure of a tap water purifier of the present utility model.

Fig. 5 is an exploded view showing a waterway switching structure of the tap water purifier of the present utility model.

Fig. 6 is a schematic perspective sectional view of a three-way member of the waterway switching structure of the tap water purifier of the present utility model.

Fig. 7 is a first visual perspective view of a switching member of a waterway switching structure of a tap water purifier of the present utility model.

Fig. 8 is a second visual perspective view of a switching member of the waterway switching structure of the tap water purifier of the present utility model.

Fig. 9 is a schematic perspective view of a raw water valve core of a waterway switching structure of a tap water purifier according to the present utility model.

Fig. 10 is a schematic perspective view of a driving block of a waterway switching structure of a tap water purifier according to the present utility model.

Fig. 11 is a schematic perspective view of a handle of a waterway switching structure of a tap water purifier of the present utility model.

Fig. 12 is a schematic perspective view of a water passing net cover of a waterway switching structure of a tap water purifier of the present utility model.

Description of the reference numerals: 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; 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; 512-barb portion; 5101-a notch seam; 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.

Detailed Description

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

The waterway switching structure of the tap water purifier of the utility model, as shown in fig. 1 to 6, comprises a three-way piece 1, wherein the three-way piece 1 is provided with a water inlet 101, a raw water outlet 102 and a filtering water feeding port 103; the water inlet 101 is formed at the upper part of the tee 1, the raw water outlet 102 and the filtering water feeding port 103 are formed at the lower part of the tee 1, and the water inlet 101, the raw water outlet 102 and the filtering water feeding port 103 are communicated with each other.

As shown in fig. 1 to 5, the waterway switching structure of the tap water purifier of the present utility model further includes a raw water valve core 3 for closing the raw water outlet 102 and a purified water valve core 4 for closing the filtering water supply port 103, wherein the raw water valve core 3 and the purified water 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 at the position of closing the raw water outlet 102, the raw water valve core 3 and the purified water valve core 4 can move up and down in the three-way member 1, respectively, and the purified water valve core 4 is connected with a third return spring 9 for pressing the purified water valve core 4 against the filtering water supply port 103 to close the filtering water supply port 103.

As shown in fig. 1 to 5, the waterway switching structure of the tap water purifier of the present utility model further includes a switching member 2, as shown in fig. 7 and 8, the switching member 2 is formed with a driving shaft 21, as shown in fig. 1, the driving shaft 21 is slidably connected with the three-way member 1, as shown in fig. 6, 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, as shown in fig. 1 and 2, the driving shaft 21 is used for contact connection with the raw water valve core 3 and the purified water valve core 4, specifically, as shown in fig. 1, 2 and 8, an opening boss 2103 for contact-jacking the raw water valve core 3 to open the raw water outlet 102 or contact-jacking the purified water valve core 4 to open the filtering water supply port 103 is formed on the driving shaft 21.

As shown in fig. 1 to 5, the waterway switching structure of the tap water purifier of the present utility model further includes a lever 5 for operating switching of raw water and purified water, the lever 5 being hinged with the three-way member 1, the lever 5 being provided with a purified water switching pushing part 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, as shown in fig. 1 and 10.

As shown in fig. 1, 3 and 5, the three-way member 1 is connected with a first return spring 6 for applying an outward thrust to the switching member 2, in other words, the switching member 2 can be returned by an 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, a rear middle portion 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 outside the three-way member 1, the supporting hole 104 is located at the center of the convex tube, the first return spring 6 is disposed between an outer wall of the three-way member 1 and a rear surface of the push plate 22, and the driving shaft 21 is disposed through the first return spring 6.

The working principle of the utility model is briefly described below: in fig. 1, the waterway switching structure of the present utility model is in a raw water gear, at this time, the open position boss 2103 jacks up the raw water valve core 3, the second return spring 8 is further elastically compressed and deformed to make the raw water valve core 3 separate from the raw water outlet 102, the water purifying valve core 4 is pressed against the water filtering and feeding port 103 by the elastic force of the third return spring 9 to close the water filtering and feeding port 103, as shown by an arrow in fig. 1, tap water enters the inner cavity of the three-way member 1 from the water inlet 101, 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. 2, 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 internal direction of the three-way member 1, specifically, the water purification switching pushing part 522 can contact and push 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 arranged with the driving shaft 21), then in the free state shown in fig. 2, 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 acting on the water purification switching pushing part 522 against the swing center of the lever 5 is short in the state shown in fig. 2, 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 counteracted by the friction force between the lever 5 and the three-way member 1, then the lever 5 can be force balanced to realize self-locking positioning in the state shown in fig. 2; 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 down to the outside of the opening boss 2103, the filtering water supply port 103 is opened, the raw water valve core 3 is pushed down and 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. 2, and the filtering water supply port 103 is used for connecting with a filter of the tap water purifier, thereby realizing switching to a 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. 8, 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. 1, 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 position boss 2103, and the clean water valve core 4 relatively slides out of the opening position 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 driving lever 5, and the operation process is simple and convenient, for example, the driving lever 5 may be set to correspond to the raw water gear in the obliquely upward position shown in fig. 1, the driving lever 5 may correspond to the purified water gear in the obliquely downward position shown in fig. 2, and the swing angle of the driving lever 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. 9, 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. 1 and 9, the upper edge of the dodging hole 301 extends downward to form a first slider 31 for contact connection with the driving shaft 21, the first slider 31 may be in an inverted triangle shape, the lower tip of the first slider 31 may slide on the driving shaft 21 relatively, as shown in fig. 8, 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. 2, 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. 9, 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. 1, the first sealing glue block 32 is buckled on the lower end part of the raw water valve core 3, as shown in fig. 1, 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. 9, the upper end portion of the raw water valve core 3 is formed with a guide post 33, as shown in fig. 2 and 4, the water inlet 101 is correspondingly provided with a water passing net cover 7, a water inlet hole 701 is formed on the water passing net cover 7, so that the tap water can enter the inner cavity of the three-way member 1 through the water inlet hole 701, as shown in fig. 12, 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. 1, 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. 12, a water through hole 7101 is formed at the top of the cylinder cover 71, as shown in fig. 1 and 2, 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. 1 and 5, the water purifying valve core 4 may be configured in the same structure as the raw water valve core 3, and the water purifying valve core 4 includes a second sealing rubber block 42, where the second sealing rubber block 42 is used to seal the filtering water supply port 103; as shown in fig. 1, 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. 2, in the water purification gear, the second slider of the water purification valve core 4 is contacted and lifted by the opening position boss 2103, and the first slider 31 of the raw water valve core 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. 1, the lever 5 includes a handle 51 and a driving block 52, as shown in fig. 10, a water purifying switching pushing portion 522 is formed on the driving block 52, as shown in fig. 11, one end of the handle 51 is formed with a plugging rod portion 511, an end portion of the plugging rod portion 511 is formed with a barb portion 512, the plugging rod portion 511 is formed with a notch seam 5101, the notch seam 5101 penetrates through the barb portion 512, as shown in fig. 1, the plugging rod portion 511 is adapted to penetrate through the driving block 52 to be arranged, the barb portion 512 is fastened with the driving block 52, so that the handle 51 and the driving block 52 can be assembled simply and conveniently, and in addition, due to the split structure of the handle 51 and the driving block 52, the manufacturing difficulty of the lever 5 is reduced, and the manufacturing cost is reduced.

Further, as shown in fig. 5 and 6, the three-way member 1 is externally formed with a support plate 11, the driving block 52 is formed with a hinge shaft portion 523, as shown in fig. 10, specifically, the hinge shaft portion 523 may be formed on the driving block 52, as shown in fig. 4, the 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 adapted to be fitted in the hinge hole, and thus the lever 5 can swing about the axis of the hinge shaft portion 523, and the above-mentioned structural arrangement is simple and reasonable. As shown in fig. 7, 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. 10, 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. 1, 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. 1, the elastic force of the first return spring 6 still acts on the switching piece 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 switching push 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 thus the drive block 52 can be force-balanced to rest in the raw water gear position state shown in fig. 1.

Claims (6)

1. The waterway switching structure of the tap water purifier comprises a three-way piece (1), wherein the three-way piece (1) is provided with a water inlet (101), a raw water outlet (102) and a filtering water feeding port (103);

the method is characterized in that: the water purifier 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), wherein 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) 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) to close the filtering water feeding port (103);

the water filter further comprises a switching piece (2), wherein the switching piece (2) is provided with a driving shaft (21), the driving shaft (21) is in sliding connection with the three-way piece (1), and an opening boss (2103) for jacking the raw water valve core (3) to open the raw water outlet (102) or jacking the water purification valve core (4) to open the water filtering and feeding port (103) is formed on the driving shaft (21);

the water purifying valve further comprises a deflector rod (5) for operating and switching the raw water gear and the purified water gear, the deflector rod (5) is hinged with the three-way piece (1), and the deflector rod (5) is provided with a purified water switching pushing part (522) for pushing the switching piece (2) inwards so that the opening boss (2103) is switched from a state of jacking up the raw water valve core (3) to a state of jacking up the purified water valve core (4);

the tee piece (1) is connected with a first return spring (6) for applying an outward thrust to the switching piece (2).

2. The waterway switching structure of 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 waterway switching structure of 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 waterway switching structure of tap water purifier of claim 3, wherein: a water through hole (7101) is formed at the top of the cylinder cover (71).

5. The waterway switching structure of faucet water purifier of claim 1, wherein: the water purification switching pushing part (522) is formed on the driving block (52), one end of the handle (51) is provided with an inserting rod part (511), the end part of the inserting rod part (511) is provided with a barb part (512), the inserting rod part (511) is provided with a notch seam (5101), the notch seam (5101) is communicated with the barb part (512) and is arranged, the inserting rod part (511) is adapted to penetrate through the driving block (52) and is buckled with the driving block (52).

6. The waterway switching structure of faucet water purifier of claim 5, wherein: the three-way part (1) is externally provided with a supporting plate (11), the driving block (52) is provided with a hinge shaft part (523), and the deflector rod (5) is hinged with the supporting plate (11) through the hinge shaft part (523).

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