CN215782021U

CN215782021U - Small-size water purifier with water runner auto-change over device

Info

Publication number: CN215782021U
Application number: CN202121423314.4U
Authority: CN
Inventors: 夏正林; 徐华
Original assignee: Dongguan Mingyuan Industrial Co ltd
Current assignee: Dongguan Mingyuan Industrial Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-11
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a small water purifier with a water flow passage switching device, relates to a small water purifier arranged on a pipeline, in particular to a small water purifier for household arranged on a tap water pipeline. The small water purifier filter shell comprises a seat head (1) provided with a water inlet pipe (11) and a water outlet pipe (12), an upper filter shell cover (21) used for packaging a filter element, a fixing piece (3) and a switching shaft (4). The water flow channel can be cut off or connected by rotating the filter shell, and then the filter shell can be detached and the filter element in the filter shell can be replaced by rotating the filter shell. No waste water flows out in the operation process, and the environment is not polluted. In the process of replacing the filter element, a special tool is not used, and the operation is simple and convenient.

Description

Small-size water purifier with water runner auto-change over device

Technical Field

The utility model discloses a small water purifier with a water flow passage switching device, relates to a small water purifier arranged on a pipeline, in particular to a small water purifier for household arranged on a tap water pipeline.

Background

In recent years, a household tap water purifier, particularly a household small water purifier installed on a tap water pipeline, is more and more popular because of advantages of good effect, small volume, convenient installation and the like. This type of water purifier needs regularly to change the filter media filter core, consequently need carry out the operation of cutting off the water supply line when changing the filter media filter core to prevent that the water in the water supply line from overflowing and damaging furniture or environment, even close the running water valve, its water that remains in the pipeline also can flow out the polluted environment. Therefore, people invent a water purifier which can prevent residual water in a filter cavity from flowing out in the process of dismounting the filter element device, has no water leakage and no water channeling and is convenient for replacing the filter element, for example, the utility model of the Chinese patent document with the application number of 201810253059.X, namely the water purifier and the filter element device with the water-stopping component thereof realizes the purpose of preventing the residual water in the filter cavity from flowing out in the process of dismounting the filter element device and also can prevent the water in a pipeline from flowing out. However, the prior art device is complex, has more parts and high production cost, and is not simple and convenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small water purifier with a water flow channel switching device, which cuts off a water flow channel before a filter element is replaced, prevents residual water in a filter cavity and in a pipeline from flowing out during replacement, and connects the water flow channel after the filter element is replaced. The utility model has simple structure, complete manual operation in the reloading process, no use of special tools and simple and convenient operation.

The technical scheme adopted by the utility model is as follows: a small-sized water purifier with a water flow passage switching device comprises a base head 1 provided with a water inlet pipe 11 and a water outlet pipe 12, and an upper filter shell cover 21 of a filter element of a filter shell 2 of the small-sized water purifier; the method is characterized in that: a blocking block 131 is arranged on the inner wall of the top cover 13 of the seat head 1; a central column 211 is arranged on the upper filter shell cover 21, a clamping lug 2111 is arranged on the outer circumferential wall surface of the central column 211, a filter cover water inlet 2112 is arranged on the top surface of the central column 211, a convex column 2113 is also arranged on the top surface of the central column 211, and a slotted hole 21131 is arranged at the center of the convex column 2113 to communicate with the space in the filter shell so as to filter a cover water outlet; on the upper filter housing cover 21 are sequentially arranged: a fixing member 3, the fixing member 3 including a fixing member flange 31 and a step 32 provided on an inner wall, a fixing screw hole 33 provided at a bottom of the fixing member 3; the fixing piece flange 31 and the step 32 are matched with the clamping lug 2111 on the center post 211 of the upper filter housing cover 21 to fix the upper filter housing cover 21; a switching shaft 4, wherein the switching shaft 4 is a cylindrical hollow cavity with a switching shaft top surface 41; an annular enclosure 411 extends from the switching shaft top surface 41 in the cavity 42 of the switching shaft 4 to form an enclosure space 4112; the end edge 4111 of the annular enclosure 411 can abut against the top surface of the central column 211, and the convex column 2113 can be inserted into the annular enclosure 411; a rib 412 extends from the top surface 41 of the switching shaft inside the annular enclosure 411, and the rib 412 can be inserted into the slot 21131; a shaft water inlet hole 43 and a shaft water outlet hole 44 are formed in the outer circumferential surface of the switching shaft 4, the shaft water inlet hole 43 is communicated with the cavity 42 of the switching shaft 4, and the shaft water outlet hole 44 is communicated with the enclosure space 4112 in the annular enclosure 411 through a shaft channel 45; the shaft water inlet hole 43 is matched with the water inlet pipe 11, and the shaft water outlet hole 44 is matched with the water outlet pipe 12; a shaft flange 46 is arranged at the lower part of the outer circumferential surface of the switching shaft 4 and can be clamped on the fixing piece 3; a notch 47 is arranged on the top end edge of the switching shaft 4, the notch 47 is matched with a blocking block 131 on the top cover 13 of the seat head 1, the switching shaft 4 is accommodated in the seat head 1 and can rotate relative to the seat head 1, and the circumferential length of the notch 47 is respectively greater than the diameters of the shaft water inlet hole 43 and the shaft water outlet hole 44.

In the above-mentioned small water purifier with the water channel switching device, the slot 21131 formed at the center of the convex post 2113 is a cross-shaped slot, and the protruding rib 412 extending from the top surface 41 of the switching shaft is a straight line.

In the above small water purifier with the water flow channel switching device, the fixing member flange 31 is provided with a fixing groove 311, the fastening lug 2111 is provided with a fixing protrusion 2114, and the fixing protrusion 2114 can be fastened into the fixing groove 311.

In the small water purifier with the water channel switching device, the shaft water inlet hole 43 and the shaft water outlet hole 44 of the switching shaft 4 are respectively provided with the water inlet sealing ring 431 and the water outlet sealing ring 441; a circumferential sealing ring 48 is arranged on the outer circumferential surface of the switching shaft 4 below the shaft water inlet hole 43 and the shaft water outlet hole 44; a center post sealing ring is arranged on the outer circumferential wall surface of the center post 211 of the upper filter shell cover 21.

In the small water purifier with the water flow channel switching device, the first end portion of the clamping lug 2111 is provided with the gradual inclined surface 2115.

In the above small water purifier with the water channel switching device, the second end of the engaging lug 2111 is provided with a gradually small inclined surface 2116.

Compared with the prior art, the utility model has the following beneficial effects:

1. the water flow channel can be cut off or connected by rotating the filter shell, and then the filter shell can be detached and the filter element in the filter shell can be replaced by rotating the filter shell. No waste water flows out in the operation process, and the environment is not polluted.

2. In the process of replacing the filter element, a special tool is not used, and the operation is simple and convenient.

3. The utility model has the advantages of simple structure, long service life, low production cost and strong market competitiveness.

Drawings

FIG. 1 is a schematic view showing the components of a compact water purifier with a water flow switching device according to the present invention.

Fig. 2 is a schematic view of a small-sized water purifier with a water flow passage switching device according to the present invention.

FIG. 3 is a schematic view of a filter housing cover of a small water purifier with a water flow passage switching device according to the present invention.

Fig. 4 is a first schematic view of a small-sized water purifier fixing member with a water flow passage switching device according to the present invention.

FIG. 5 is a second schematic view of a small-sized water purifier fixture with a water flow switching device according to the present invention.

FIG. 6 is a first schematic view of a switching shaft of a compact water purifier with a water flow passage switching device according to the present invention.

FIG. 7 is a second schematic view of a switching shaft of a compact water purifier with a water flow passage switching device according to the present invention.

FIG. 8 is a third schematic view of a switching shaft of a compact water purifier with a water flow passage switching device according to the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

Fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8 show an embodiment of the present invention. The small water purifier of this embodiment includes the seat head 1, and this seat head 1 is equipped with inlet tube 11 and outlet pipe 12, still includes to strain the shell 2, is equipped with the filter core in this strains the shell 2, is equipped with the upper filter shell lid 21 that is used for the encapsulation filter core at this 2 upper ends of straining the shell. A blocking block 131 is arranged on the inner wall of the top cover 13 of the seat head 1; the upper filter shell cover 21 is provided with a center post 211, the outer circumferential wall surface of the center post 211 is provided with two clamping lugs 2111, the two clamping lugs 2111 are arranged in axial symmetry, the top surface of the center post 211 is provided with a filter shell water inlet 2112, the top surface of the center post 211 is also provided with a convex post 2113, the center of the convex post 2113 is provided with a cross-shaped slot 21131, and the cross-shaped slot 21131 is communicated with the inner space of the filter shell and is also used as a filter shell water outlet; on the upper filter housing cover 21 are sequentially arranged: the fixing piece 3 comprises a fixing piece flange 31 and a step 32 which are arranged on the inner wall, the fixing piece flange 31 is provided with a fixing groove 311, the clamping lug 2111 is provided with a fixing protrusion 2114, the fixing protrusion 2114 can be clamped into the fixing groove 311, the bottom of the fixing piece 3 is also provided with a fixing screw hole 33, and the fixing piece 3 passes through the fixing screw hole 33 through a screw to be connected and fixed with the seat head 1; the fixing flange 31 and the step 32 are matched with the clamping lug 2111 on the center post 211 of the upper filter housing cover 21 to fix the upper filter housing cover 21, namely, the upper filter housing cover 21 is rotated, and the clamping lug 2111 can be clamped between the fixing flange 31 and the step 32 to fix the upper filter housing cover 21; a switching shaft 4 is arranged between the fixing piece 3 and the seat head 1, and the switching shaft 4 is a cylindrical hollow cavity with a switching shaft top surface 41; an annular enclosure 411 extends from the switching shaft top surface 41 in the cavity 42 of the switching shaft 4 to form an enclosure space 4112; the end edge 4111 of the annular enclosure 411 can abut against the top surface of the central column 211, and the convex column 2113 can be inserted into the annular enclosure 411; a linear rib 412 extends from the top surface 41 of the switching shaft in the annular enclosure 411, and the linear rib 412 can be inserted into the cross-shaped slot 21131; a shaft water inlet hole 43 and a shaft water outlet hole 44 are formed in the outer circumferential surface of the switching shaft 4, the shaft water inlet hole 43 is communicated with the cavity 42 of the switching shaft 4, and the shaft water outlet hole 44 is communicated with the enclosure space 4112 in the annular enclosure 411 through a shaft channel 45; the shaft water inlet hole 43 is matched with the water inlet pipe 11, and the shaft water outlet hole 44 is matched with the water outlet pipe 12; a shaft flange 46 is arranged at the lower part of the outer circumferential surface of the switching shaft 4 and can be clamped on the fixing piece 3; a notch 47 is arranged on the top end edge of the switching shaft 4, the notch 47 is matched with the blocking block 131 on the top cover 13 of the seat head 1, the switching shaft 4 is accommodated in the seat head 1 and can rotate relative to the seat head 1, the circumferential length of the notch 47 is respectively greater than the diameters of the shaft water inlet hole 43 and the shaft water outlet hole 44, and the circumferential length of the notch 47 is a quarter of the circumference in the embodiment. A water inlet sealing ring 431 and a water outlet sealing ring 441 are respectively arranged at the shaft water inlet hole 43 and the shaft water outlet hole 44 of the switching shaft 4; a circumferential sealing ring 48 is arranged on the outer circumferential surface of the switching shaft 4 below the shaft water inlet hole 43 and the shaft water outlet hole 44; a center post sealing ring is arranged on the outer circumferential wall surface of the center post 211 of the upper filter shell cover 21. In a further form, a first end of the tab 2111 is provided with a gradual slope 2115, and a second end of the tab 2111 is provided with a gradual slope 2116.

When dismantling the filter core, rotatory filter shell 2 makes the fixed arch 2114 roll-off fixed slot 311 that card ear 2111 on the filter shell lid 21 established, the dislocation of the inlet tube 11 and the outlet pipe 12 on switching shaft 4 and the seat head 1 of axle inlet opening 43 and axle apopore 44 and the shutoff has cut off the water flow channel this moment, make the water in the water pipe and the water in the filter shell can not flow, the rotatory filter shell 2 of equidirectional once more, but card ear 2111 roll-off between mounting flange 31 and the step 32, filter shell 2 this moment can leave mounting 3, open filter shell lid 21 and can take out the filter core and change.

The above embodiments are only examples of the present invention and are not intended to limit the scope of the utility model, and all equivalent changes and modifications made according to the disclosure of the present invention should be included in the claims of the present invention.

Claims

1. A small-sized water purifier with a water flow channel switching device comprises a base head (1) provided with a water inlet pipe (11) and a water outlet pipe (12), and also comprises an upper filter shell cover (21) of the filter shell (2) of the small-sized water purifier for packaging a filter element; the method is characterized in that:

a blocking block (131) is arranged on the inner wall of the top cover (13) of the seat head (1);

a central column (211) is arranged on the upper filter shell cover (21), a clamping lug (2111) is arranged on the outer circumferential wall surface of the central column (211), a filter cover water inlet hole (2112) is arranged on the top surface of the central column (211), a convex column (2113) is also arranged on the top surface of the central column (211), and a slotted hole (21131) is arranged at the center of the convex column (2113) to be communicated with the space in the filter shell so as to form a filter cover water outlet hole;

the upper filter shell cover (21) is sequentially provided with:

the fixing piece (3), the fixing piece (3) includes a fixing piece flange (31) and a step (32) which are arranged on the inner wall, and a fixing screw hole (33) which is arranged at the bottom of the fixing piece (3); the fixing piece flange (31) and the step (32) are matched with an upper clamping lug (2111) of a center post (211) of the upper filter shell cover (21) to fix the upper filter shell cover (21);

the switching shaft (4), the switching shaft (4) is a cylindrical hollow cavity with a switching shaft top surface (41); an annular enclosure (411) extends from the top surface (41) of the switching shaft in the cavity (42) of the switching shaft (4) to form an enclosure space (4112); the end edge (4111) of the annular enclosure (411) can abut against the top surface of the central column (211), and the convex column (2113) can be inserted into the annular enclosure (411); a rib (412) extends from the top surface (41) of the switching shaft in the annular enclosure (411), and the rib (412) can be inserted into the slot hole (21131); a shaft water inlet hole (43) and a shaft water outlet hole (44) are formed in the outer circumferential surface of the switching shaft (4), the shaft water inlet hole (43) is communicated with a cavity (42) of the switching shaft (4), and the shaft water outlet hole (44) is communicated with a surrounding space (4112) in the annular surrounding barrier (411) through a shaft channel (45); the shaft water inlet hole (43) is matched with the water inlet pipe (11), and the shaft water outlet hole (44) is matched with the water outlet pipe (12); a shaft flange (46) is arranged at the lower part of the outer circumferential surface of the switching shaft (4) and can be clamped on the fixing piece (3); a notch (47) is arranged on the end edge of the top of the switching shaft (4), the notch (47) is matched with a blocking block (131) on a top cover (13) of the seat head (1), the switching shaft (4) is accommodated in the seat head (1) and can rotate relative to the seat head (1), and the circumferential length of the notch (47) is respectively greater than the diameters of the shaft water inlet hole (43) and the shaft water outlet hole (44).

2. The small-sized water purifier with the water flow passage switching device as claimed in claim 1, wherein the slot (21131) formed at the center of the boss (2113) is a cross-shaped slot, and the rib (412) extended from the top surface (41) of the switching shaft is a straight line.

3. A small-sized water purifier with a water flow passage switching means as claimed in claim 1 or 2, wherein said fixing member flange (31) is provided with a fixing groove (311), and a fixing protrusion (2114) is provided on said catching ear (2111), said fixing protrusion (2114) being caught in said fixing groove (311).

4. A small-sized water purifier with a water flow switching device according to claim 3, wherein the shaft water inlet hole (43) and the shaft water outlet hole (44) of the switching shaft (4) are respectively provided with a water inlet sealing ring (431) and a water outlet sealing ring (441); a circumferential sealing ring (48) is further arranged on the outer circumferential surface of the switching shaft (4) below the shaft water inlet hole (43) and the shaft water outlet hole (44); and a central column sealing ring is arranged on the outer circumferential wall surface of the central column (211) of the upper filter shell cover (21).

5. The compact water purifier with water flow passage switching device according to claim 4, wherein the circumferential length of said gap (47) is a quarter of a circumference.

6. The small-sized water purifier with the water flow passage switching means as claimed in claim 4, wherein the first end portion of said engaging lug (2111) is provided with a gradual slope (2115).

7. The small-sized water purifier with the water flow passage switching means as claimed in claim 6, wherein the second end portion of said engaging lug (2111) is provided with a gradually tapered surface (2116).