CN220378952U - One-way valve for water purifier - Google Patents

One-way valve for water purifier Download PDF

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Publication number
CN220378952U
CN220378952U CN202321945355.9U CN202321945355U CN220378952U CN 220378952 U CN220378952 U CN 220378952U CN 202321945355 U CN202321945355 U CN 202321945355U CN 220378952 U CN220378952 U CN 220378952U
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China
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piston
bottom cover
water
water purifier
way valve
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CN202321945355.9U
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Chinese (zh)
Inventor
隋昌林
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Kamford China Co ltd
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Kamford China Co ltd
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Abstract

The utility model relates to the technical field of water purifiers, in particular to a one-way valve for a water purifier. The one-way valve for the water purifier comprises a one-way valve bottom cover, at least a bottom cover water through pipe and a bottom cover center column, wherein the bottom cover water through pipe is used for water circulation; the piston spring is arranged on the middle column of the bottom cover of the fixed cover of the water purifier; and the one-way valve piston is at least provided with a mounting hole, the mounting hole of the water purifier fixing cover is sleeved on the piston spring of the water purifier fixing cover, and the outer wall of the water purifier fixing cover one-way valve piston is provided with a diversion part for diversion and a sealing part for sealing and blocking water. According to the utility model, the bottom cover center column of the check valve bottom cover is fixedly connected with the piston spring, the piston spring is sleeved with the mounting hole of the check valve piston, water passing and water blocking sealing are realized through the flow guide part and the sealing part, the structure does not need to be provided with a separate cavity, the check valve bottom cover center column can be directly arranged in the water purifier, the check valve piston can move up and down to realize water flow control through disassembly and extrusion, the service life of the check valve is prolonged, and the check valve bottom cover center column is convenient to disassemble and assemble and lower in cost.

Description

One-way valve for water purifier
Technical Field
The utility model relates to the technical field of water purifiers, in particular to a one-way valve for a water purifier.
Background
The water purifier is also called a water purifier and a water quality purifier, is water treatment equipment for carrying out deep filtration and purification treatment on water according to the use requirement of the water, and generally refers to a small-sized purifier used in families, and the water purifier has the functions of removing floaters, heavy metals, bacteria, viruses, residual chlorine, sediment, rust, microorganisms and the like in filtered water.
The one-way valve is an important part of the water purifier and is a direction control valve which can only flow in one direction but not in the opposite direction. The working principle is that after water flow enters from the water inlet, the valve port of the one-way valve is opened against the spring force and friction force, and compressed water flows into the valve body from the water inlet; when no water flows into the water inlet, the valve port is in a closed state under the action of spring force and residual flow in the cavity of the valve body, so that water flow from the cavity of the valve body to the inlet is not communicated. However, in the structure, as the one-way valve is required to be provided with a cavity, the pressure of water flow in the cavity controls the water inlet switch of the one-way valve, and meanwhile, the valve core of the valve port can be blocked after the valve is used for a period of time due to frequent work in continuous closing and opening, so that the water flow flows backwards or a good sealing effect cannot be achieved, and the production cost is increased.
Disclosure of Invention
The utility model aims at: aiming at the defects, the one-way valve for the water purifier is provided to solve the technical problem that the one-way valve is arranged in a separate cavity and frequently works to cause backflow or poor sealing effect in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a one-way valve for a water purifier, comprising:
the check valve bottom cover is at least provided with a bottom cover water pipe and a bottom cover center column for water circulation;
the piston spring is arranged on the middle column of the bottom cover of the fixed cover of the water purifier; and
the water purifier fixing cover is sleeved on the water purifier fixing cover piston spring, and the outer wall of the water purifier fixing cover check valve piston is provided with a diversion part for diversion and a sealing part for sealing and blocking water.
Preferably, the water purifier fixing cover mounting hole is arranged to be of a hollow cylindrical structure, the bottom edge of the water purifier fixing cover mounting hole extends outwards to be provided with a piston flange edge, and the water purifier fixing cover piston flange edge is provided with a flow guide part.
Preferably, the water purifier fixed cover guiding part comprises a piston lower guiding groove and a piston upper guiding groove, the water purifier fixed cover sealing part is arranged between the water purifier fixed cover piston lower guiding groove and the water purifier fixed cover piston upper guiding groove, the water purifier fixed cover piston lower guiding groove is arranged on the water purifier fixed cover piston flange edge, and the water purifier fixed cover upper guiding groove is arranged on the water purifier fixed cover mounting hole outer wall and is communicated with the water purifier fixed cover sealing part.
Preferably, the water purifier fixing cover piston lower water guide groove and the water purifier fixing cover piston upper water guide groove are at least two, and are arc-shaped groove structures.
Preferably, the sealing part of the water purifier fixing cover comprises a piston sealing ring groove and a piston sealing ring arranged in the piston sealing ring groove of the water purifier fixing cover, the piston sealing ring groove of the water purifier fixing cover is arranged along the outer wall of the one-way valve piston of the water purifier fixing cover in a surrounding mode, and the diameter of the piston sealing ring of the water purifier fixing cover after being arranged is larger than that of the outer wall of the mounting hole of the water purifier fixing cover.
Preferably, the water purifier fixing cover one-way valve bottom cover further comprises a bottom cover disc, wherein the water purifier fixing cover bottom cover disc is provided with a sealing ring mounting groove and a bottom cover sealing ring mounted in the water purifier fixing cover sealing ring mounting groove, and the water purifier fixing cover sealing ring mounting groove is arranged along the outer wall of the middle column of the water purifier fixing cover bottom cover.
Preferably, the bottom cover disc of the fixed cover of the water purifier is also provided with a bottom cover water through hole, and the bottom cover water through hole of the fixed cover of the water purifier is communicated with a bottom cover water through pipe of the fixed cover of the water purifier.
Preferably, the bottom cover disc of the water purifier fixing cover is also provided with a spring positioning ring, the spring positioning ring of the water purifier fixing cover is arranged in the middle column of the bottom cover of the water purifier fixing cover,
preferably, the side wall of the spring positioning ring of the water purifier fixing cover is provided with at least two positioning ring grooves.
Preferably, the middle column of the bottom cover of the water purifier fixing cover is a circular ring structure which is arranged on the circular plate of the bottom cover of the water purifier fixing cover and is provided with an opening.
Compared with the prior art, the utility model has the beneficial effects that:
the present utility model provides a one-way valve for a water purifier, comprising: the check valve bottom cover is at least provided with a bottom cover water pipe and a bottom cover center column for water circulation; the piston spring is arranged on the middle column of the bottom cover of the fixed cover of the water purifier; and the one-way valve piston is at least provided with a mounting hole, the mounting hole of the water purifier fixing cover is sleeved on the piston spring of the water purifier fixing cover, and the outer wall of the water purifier fixing cover one-way valve piston is provided with a diversion part for diversion and a sealing part for sealing and blocking water. Therefore, the bottom cover center pillar of the check valve bottom cover is fixedly connected with the piston spring, the piston spring is sleeved with the mounting hole of the check valve piston, water passing and water blocking sealing are realized through the flow guide part and the sealing part, the structure does not need to be provided with a separate cavity, the structure can be directly arranged in a water purifier, the control of water flow is realized by dismounting and squeezing up and down movement, the service life of the check valve is prolonged, and meanwhile, the cost is reduced.
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a one-way valve;
FIG. 2 is a schematic diagram of the structure of a check valve piston;
FIG. 3 is a cross-sectional view of a check valve piston;
FIG. 4 is a schematic structural view of a check valve bottom cover;
FIG. 5 is a cross-sectional view of the check valve bottom cap;
FIG. 6 is a schematic view of the water inlet structure of the check valve;
fig. 7 is a schematic diagram of a water blocking structure of the check valve.
In the figure: 9-one-way valve, 10-filter element cylinder, 91-one-way valve piston, 92-one-way valve bottom cover, 93-piston spring, 94-piston sealing ring, 95-diversion part, 96-sealing part, 97-piston flange edge, 98-bottom cover sealing ring;
9101-an upper piston water guide groove, 9102-a lower piston water guide groove, 9103-a mounting hole and 9104-a piston sealing ring groove;
9201-bottom cover disc, 9202-bottom cover fixing hole, 9203-bottom cover center pillar, 9204-bottom cover water through hole, 9205-spring positioning ring, 9206-positioning ring grooving, 9207-bottom cover water through pipe, 9208-sealing ring mounting groove.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The present utility model will be described in further detail below with reference to the drawings and the detailed description, but is not limited thereto.
As shown in fig. 1 to 7, a check valve for a water purifier, comprising:
a check valve bottom cover 92 having at least a bottom cover water passage pipe 9207 for water passage and a bottom cover center pillar 9203; a piston spring 93 mounted to the bottom cover center column 9203 of the water purifier fixing cover; and the check valve piston 93 is provided with at least a mounting hole 9103, the mounting hole 9103 of the check valve piston 91 is sleeved on the piston spring 93, and the outer wall of the check valve piston 91 is provided with a diversion part 95 for diversion and a sealing part 96 for sealing water blocking.
Further, the check valve 9 of the present embodiment is fixed to a check valve screw post at the lower part of the water purifier 10 by a screw; the upper part of the check valve 9 is a check valve piston 91, the bottom part is a check valve bottom cover 92, and the middle part is a piston spring 93; and about a dry number of piston seals 94 are provided at the corresponding slots. In order to improve the water passing capability of the check valve, a diversion part 95 is arranged at the upper outer wall of the check valve piston 91, and the diversion part 95 comprises at least two upper piston diversion grooves 9101.
Further, the flow guiding portion 95 of the present embodiment further includes at least two lower piston water guiding grooves 9102 provided on the piston flange 97 of the check valve piston 93, and a piston seal groove 9104 provided at a junction between the piston flange 97 and the upper portion. The check valve piston 91 is provided inside with a cylindrical spring mounting hole 9103 for mounting the piston spring 93.
Further, the lower part of the check valve bottom cover 92 of the present embodiment is a bottom cover disc 9201; the bottom cover disc 9201 is provided with a bottom cover fixing hole 9202 which is matched with the position of the screw column of the one-way valve in the water purifier 10, a bottom cover middle column 9203 is arranged in the middle of the bottom cover disc 9201, and a bottom cover water through hole 9204 is arranged in the center of the bottom cover middle column 9203.
Further, a spring positioning ring 9205 for preventing the spring from being biased under pressure is further provided in the bottom cover middle column 9203 of the embodiment, and at least two positioning ring slots 9206 are provided on the side wall of the spring positioning ring 9205; the positioning ring slot 9206 is directly communicated to the bottom of the inner side of the bottom cover disc 9201, so that the dead water can be prevented from accumulating at the slot position between the bottom cover middle column 9203 and the spring positioning ring 9205, and the water outlet quality of the water purifier is improved.
Further, a bottom cover water passage 9207 is radially provided at the bottom surface of the bottom cover disk 9201 of the present embodiment; the bottom cover water through pipe 9207 is of a hollow structure, and an inner hole of the bottom cover water through pipe 9207 is communicated with the bottom cover water through hole 9204. The outer wall of the bottom cover middle column 9203 is also provided with a sealing ring mounting groove 9208; the sealing portion 96 includes a bottom cap seal 98, and the bottom cap seal 98 is mounted at this groove; the check valve 9 is hermetically connected with the lower inner wall of the bottom of the water purifier 10 through the bottom cover sealing ring 98.
Working principle:
when the water purifier is used, the check valve 9 is assembled, the piston spring 93 is fixed in the spring positioning ring 9205 on the bottom cover disc 9201, the other end of the piston spring 93 is sleeved and connected through the mounting hole 9103 of the check valve piston 91, the assembled check valve 9 is directly and hermetically mounted with the bottom of the water purifier 10, and the bottom cover sealing ring 98 is sealed with the inner wall of the lower part of the water purifier 10 after being mounted. At this time, the check valve piston 91 moves downward by the installation and extrusion of the inside of the water purifier 10, and the water flows in from the bottom cover water passage 9207, and then flows out from the bottom cover water passage 9204 to the bottom cover disk 9201, and then sequentially passes through the piston lower water guide groove 9102 and the piston upper water guide groove 9101 of the outer wall of the check valve piston 91, thereby entering the water purifier 10. The other state is that the check valve piston 91 moves upwards to seal, at this moment, no pressure in the water purifier 10 extrudes downwards, the piston spring 93 pushes the check valve piston 91 upwards, the piston sealing ring 9104 on the check valve piston 91 is connected with the inner wall of the bottom of the water purifier 10 in a sealing way, and then the water inlet of the water purifier 10 is blocked and sealed, and at this moment, water cannot enter the water purifier 10.
Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the present utility model is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims (10)

1. A one-way valve for a water purifier, comprising:
a check valve bottom cover (92) having at least a bottom cover water pipe (9207) and a bottom cover center pillar (9203) for water circulation;
a piston spring (93) mounted to the bottom cap center post (9203); and
the check valve piston (91) is provided with at least a mounting hole (9103), the mounting hole (9103) is sleeved on the piston spring (93), and a diversion part (95) for diversion and a sealing part (96) for sealing and blocking water are arranged on the outer wall of the check valve piston (91).
2. A one-way valve for a water purifier as defined in claim 1, wherein: the mounting hole (9103) is of a hollow cylindrical structure, a piston flange (97) is arranged at the bottom edge of the mounting hole (9103) in an outward extending mode, and the flow guide part is arranged on the piston flange (97).
3. A one-way valve for a water purifier as defined in claim 2, wherein: the guide part (95) comprises a piston lower guide groove (9102) and a piston upper guide groove (9101), the sealing part (96) is arranged between the piston lower guide groove (9102) and the piston upper guide groove (9101), the piston lower guide groove (9102) is arranged on the piston flange side (97), and the piston upper guide groove (9101) is arranged on the outer wall of the mounting hole (9103) and is connected with the sealing part (96).
4. A one-way valve for a water purifier as recited in claim 3, wherein: the piston lower water guide groove (9102) and the piston upper water guide groove (9101) are at least two and are arc-shaped groove structures.
5. A one-way valve for a water purifier as defined in claim 1, wherein: the sealing part (96) comprises a piston sealing ring groove (9104) and a piston sealing ring (94) arranged in the piston sealing ring groove (9104), the piston sealing ring groove (9104) is arranged along the outer wall of the one-way valve piston (91) in a surrounding mode, and the diameter of the piston sealing ring (94) after being arranged is larger than that of the outer wall of the mounting hole (9103).
6. A one-way valve for a water purifier as defined in claim 1, wherein: the one-way valve bottom cover (92) further comprises a bottom cover disc (9201), the bottom cover disc (9201) is provided with a sealing ring mounting groove (9208) and a bottom cover sealing ring (9209) mounted in the sealing ring mounting groove (9208), and the sealing ring mounting groove (9208) is arranged along the outer wall of the bottom cover center column (9203).
7. A one-way valve for a water purifier as defined in claim 6, wherein: the bottom cover disc (9201) is further provided with a bottom cover water through hole (9204), and the bottom cover water through hole (9204) is communicated with the bottom cover water through pipe (9207).
8. A one-way valve for a water purifier as defined in claim 7, wherein: the bottom cover disc (9201) is further provided with a spring positioning ring (9205), and the spring positioning ring (9205) is arranged in the bottom cover middle column (9203).
9. A one-way valve for a water purifier as defined in claim 8, wherein: at least two positioning ring grooves (9206) are formed in the side wall of the spring positioning ring (9205).
10. A one-way valve for a water purifier as defined in claim 8, wherein: the bottom cover center column (9203) is arranged on the bottom cover disc (9201) and is provided with an opening ring structure.
CN202321945355.9U 2023-07-24 2023-07-24 One-way valve for water purifier Active CN220378952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321945355.9U CN220378952U (en) 2023-07-24 2023-07-24 One-way valve for water purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321945355.9U CN220378952U (en) 2023-07-24 2023-07-24 One-way valve for water purifier

Publications (1)

Publication Number Publication Date
CN220378952U true CN220378952U (en) 2024-01-23

Family

ID=89559757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321945355.9U Active CN220378952U (en) 2023-07-24 2023-07-24 One-way valve for water purifier

Country Status (1)

Country Link
CN (1) CN220378952U (en)

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