CN219692321U

CN219692321U - Water inlet valve for water purifying equipment and water purifying equipment

Info

Publication number: CN219692321U
Application number: CN202320936810.2U
Authority: CN
Inventors: 郑嘉丽; 邓愿; 王行飞
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-09-15
Anticipated expiration: 2033-04-20

Abstract

A water inlet valve for a water purification apparatus, comprising: a valve body having a joint; the connecting piece is arranged along the axial direction of the joint and is annular, and the first port part of the connecting piece is used for inserting the joint into the connecting piece; the sealing gasket is accommodated in the connecting piece and is used for abutting against the end face of the joint; the method is characterized in that: the sealing gasket comprises a sealing ring made of elastic materials and a supporting piece made of rigid materials, and the supporting piece is embedded in the sealing ring, so that the sealing performance of the joint of the water inlet valve and the external interface can be improved. The utility model provides a water purification unit, includes the filter core that is equipped with water inlet port, its characterized in that: the water inlet valve is used, and the first water outlet joint is in fluid communication with the water inlet joint.

Description

Water inlet valve for water purifying equipment and water purifying equipment

Technical Field

The utility model relates to water purifying equipment, in particular to a water inlet valve for the water purifying equipment, and also relates to the water purifying equipment with the water inlet valve.

Background

Valves (Valve) are the basic components in the piping system for controlling the flow, direction, pressure, temperature, etc. of a flowing fluid medium. A fill valve is one of the valves, typically located at the inlet of the pressure line, to intercept the flow of water.

To prevent water leakage, a seal is typically required at the junction of the fill valve and the conduit to seal. The sealing elements in the prior art are generally arranged in two ways, the first way is radial sealing, and a sealing ring is generally clamped between the peripheral wall of the water inlet valve joint and the peripheral wall of the pipeline which are mutually sleeved; the second is an axial seal, typically a gasket clamped between the end wall of the inlet fitting and the end wall of the conduit.

Taking water inlet equipment as an example, for the axial sealing mode, as the joint of the water inlet valve and the pipeline apply force to the sealing gasket at the same time, if the joint of the water inlet valve and the inner diameter and the wall thickness of the pipeline are inconsistent, uneven stress on the sealing gasket in the radial direction is easily caused, moreover, the water inlet valve in the prior art is also in threaded connection with the pipeline through the nut, the outer peripheral surface of the sealing gasket is also in contact with the inner peripheral surface of the nut, and thus, uneven stress on the sealing gasket is also easily caused in the screwing process of the nut. In addition, the sealing gasket is usually made of elastic rubber materials, the deformation is large, and once the sealing gasket is stressed unevenly, the sealing gasket is locally tilted, so that gaps exist between the end wall of the water inlet valve joint of the sealing gasket and/or the end wall of the pipeline, and the tightness of the joint of the water inlet valve joint and the pipeline is affected.

In addition, the conventional water inlet valve has a problem that the water inlet valve is easily blocked due to water dirt.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a water inlet valve for a water purifying device, which can improve the sealing performance of a joint with an external interface.

The second technical problem to be solved by the present utility model is to provide a water inlet valve for a water purifying apparatus which is not easy to be blocked.

A third technical problem to be solved by the present utility model is to provide a water purifying apparatus to which the water inlet valve for a water purifying apparatus is applied, aiming at the above state of the art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a water inlet valve for a water purification apparatus, comprising:

a valve body having a joint;

the connecting piece is arranged along the axial direction of the joint and is annular, and the first port part of the connecting piece is used for inserting the joint into the connecting piece;

the sealing gasket is accommodated in the connecting piece and is used for abutting against the end face of the joint;

the method is characterized in that: the sealing gasket comprises a sealing ring made of elastic materials and a supporting piece made of rigid materials, and the supporting piece is embedded in the sealing ring.

The sealing ring can be made of any material in the prior art, such as rubber. The rigid material of the support member is not limited to the rigid material of the prior art, but is a sealing ring made of elastic material. The support member can be made of metal by comprehensively considering the factors such as the strength requirement and the cost of the material.

In order to make the support of the sealing ring more uniform in the circumferential direction of the support piece, the support piece is in a ring shape.

In order to achieve both compressibility and deformation resistance of the gasket, the support is sheet-like.

In order to facilitate the limiting of the connecting piece, the connecting piece comprises a main body part and an annular blocking part extending inwards along the radial direction from the first end edge of the main body part, wherein the central hole of the annular blocking part forms the first end part of the connecting piece; and a limiting component positioned between the annular blocking part and the sealing gasket is sleeved outside the connector, so that the connector is prevented from being separated from the connector of the water inlet valve.

Further, a snap spring groove is formed in the outer peripheral surface of the joint, the limiting assembly comprises a snap spring arranged in the snap spring groove, and the snap spring is abutted to the annular blocking portion towards one side surface of the sealing gasket.

In order to make spacing subassembly's intensity better, spacing subassembly still include the spacing collar, this spacing collar include with on the jump ring towards the first annular portion of one side surface butt of sealed pad, and from the radial outward flange of first annular portion is towards the second annular portion that annular fender portion extends, just second annular portion and annular fender portion on one side surface butt towards sealed pad to make spacing subassembly be difficult to warp, and then also enable the connecting piece be difficult to take place to warp when being connected with outside interface, connect and outside interface's junction leakproofness is better.

In order to facilitate the assembly and disassembly of the water inlet valve, the connecting piece is a nut. Correspondingly, the outer peripheral surface of the external interface is provided with external threads connected with the nut.

Further designed, the joint include water inlet joint and first water outlet joint, the valve body inside cavity, and be equipped with:

a water inlet chamber;

the valve plate is made of elastic materials, is accommodated in the water inlet chamber and divides the interior of the water inlet chamber into a first chamber and a second chamber which is in fluid communication with the water inlet joint, the valve plate is provided with a pressure relief hole and a bypass hole, the aperture of the pressure relief hole is larger than that of the bypass hole, and the bypass hole is communicated with the first chamber and the second chamber;

the water outlet chamber is positioned in the second chamber and is in fluid communication with the first water outlet joint, one side of the water outlet chamber, which faces the valve plate, is opened to form a valve port for communicating the second chamber and the water outlet chamber, the valve plate is used for opening or closing the valve port, and the pressure relief hole is communicated with the first chamber and the water outlet chamber;

the valve rod is restrained in the first chamber in a reciprocating manner and can open or close the pressure relief hole;

the elastic piece enables the valve plate to always have a deformation trend of closing the valve port. The valve plate can be made of rubber.

The utility model solves the second technical problem as follows: the elastic piece on be equipped with the sediment needle, this sediment needle wears to locate in the by-pass hole of valve block, drives by-pass hole through the deformation of valve block and removes for the sediment needle to make sediment needle can dredge the by-pass hole, make the inside difficult jam that takes place of water intaking valve.

The utility model solves the second technical problem as follows: the inside of valve body still is equipped with the filter screen, and on the rivers route, the filter screen be located the upstream of water inlet chamber.

In order to enable the connector to further comprise a second water outlet connector, a channel is arranged in the valve body, the water inlet connector, the water inlet cavity and the second water outlet connector are all communicated with the channel, and the filter screen is accommodated in the channel.

Further designed, the connecting piece is arranged on the water inlet joint.

The utility model solves the third technical problem as follows: the utility model provides a water purification unit, includes the filter core that is equipped with water inlet port, its characterized in that: the water inlet valve for the water purifying equipment is applied, and the first water outlet joint is in fluid communication with the water inlet joint.

Compared with the prior art, the utility model has the advantages that: the sealing gasket is provided with the sealing ring made of elastic materials and the supporting piece made of rigid materials, and the supporting piece is embedded into the sealing ring, so that the sealing gasket has strong deformation resistance while having enough compression quantity, and therefore, when the joint of the water inlet valve is connected with the external interface, the sealing gasket is not easy to locally tilt due to deformation, and gaps are not easy to be generated between the sealing gasket and the end face of the joint of the water inlet valve and between the sealing gasket and the end face of the external interface, and the sealing property of the joint of the water inlet valve joint and the external interface is better; the valve plate is deformed in response to the pressure difference between the first chamber and the second chamber so as to drive the bypass hole to move relative to the slag discharging needle, so that the slag discharging needle can dredge the bypass hole, and the inside of the water inlet valve is not easy to be blocked.

Drawings

FIG. 1 is a perspective view of a water inlet valve in an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a fill valve (with a valve port closed) in an embodiment of the utility model;

FIG. 3 is a cross-sectional view of a fill valve (with a valve port open) in an embodiment of the utility model.

Detailed Description

Embodiments of the present utility model are described in further detail below.

As shown in fig. 1-3, is a preferred embodiment of the present utility model.

As shown in fig. 2 and 3, the water inlet valve for the water purifying device in this embodiment includes main parts such as a valve body 1, a connecting piece 2, a sealing gasket 3, a valve plate 4, a valve rod 5, an elastic piece 6, a filter screen 7, a clamp spring 81, a limit ring 82, and the like.

As shown in fig. 1 and 3, the valve body 1 is hollow and has a tubular connector, the connector includes a water inlet connector 11, a first water outlet connector 121 and a second water outlet connector 122, the water inlet connector 11 and the second water outlet connector 122 are used for communicating with a tap water pipe, and the first connector 121 is used for connecting with a filter element of a water purifying device. The connecting member 2 is a nut sleeved outside the water receiving joint 11, and the connecting member 2 comprises a main body 21 and an annular blocking portion 22 extending inwards from the edge of the first end 2a of the main body 21 in the radial direction, wherein a central hole 221 of the annular blocking portion 22 forms the opening of the first end 2a of the connecting member 2 and is used for inserting the water receiving joint 11.

As shown in fig. 2 and 3, a gasket 3 is provided in the connector 2 and contacts with an end surface of the water inlet joint 11, the gasket 3 includes a seal ring 31 made of an elastic material and a support member 32 made of a rigid material, and the support member 32 is in a ring-shaped sheet shape and is embedded in the seal ring 31.

As shown in fig. 2 and 3, the outer part of the water inlet joint 11 is sleeved with a limiting component between the annular blocking part 22 and the sealing gasket 3. The outer peripheral surface of the water inlet joint is provided with a clamp spring groove 111, the limiting component comprises a clamp spring 81 arranged in the clamp spring groove 111, and the clamp spring 81 is abutted with the surface of one side, facing the sealing gasket 3, of the annular blocking portion 22. The stopper assembly further includes a stopper 82, the stopper 82 includes a first annular portion 821 abutted against a side surface of the snap spring 81 facing the gasket 3, and a second annular portion 822 extending from a radially outer edge of the first annular portion 821 toward the annular stopper 22, and the second annular portion 822 is abutted against a side surface of the annular stopper 22 facing the gasket 3.

As shown in fig. 2 and 3, the valve body 1 is provided with a water inlet chamber 13 and a water outlet chamber 14 inside. The valve plate 4 is made of elastic material and is accommodated in the water inlet chamber 13, the valve plate 4 divides the interior of the water inlet chamber 13 into a first chamber 131 positioned at the upper part and a second chamber 132 positioned at the lower part, and the second chamber 132 is communicated with the water inlet joint 11 through a mouth 1321 formed on the bottom wall of the second chamber 132 and a channel 15 in the valve body 1. The valve plate 4 is provided with a pressure relief hole 41 and a bypass hole 42, the aperture of the pressure relief hole 41 is larger than that of the bypass hole 42, and the bypass hole 42 is communicated with the first chamber 131 and the second chamber 132. The water outlet chamber 14 is located inside the second chamber 132 and is in communication with the first water outlet joint 121, the water outlet chamber 14 is opened to one side of the valve plate 4 (i.e. the top in the present embodiment) to form a valve port 141 for communicating the second chamber 132 with the water outlet chamber 14, the valve plate 4 is deformed under the pressure difference between the inside of the first chamber 131 and the inside of the second chamber 132, so that the valve port 141 can be opened or closed, and the pressure release hole 41 communicates the first chamber 131 with the water outlet chamber 14. The valve rod 5 is reciprocally movable (i.e., vertically movable in the present embodiment) and is constrained to the inside of the first chamber 131 to open or close the relief hole 41. The elastic member 6 makes the valve sheet 4 always have a deformation tendency to close the valve port 141.

The water inlet valve in this embodiment is an electromagnetic valve, that is, the valve rod 5 moves under the action of electromagnetic force, and the working principle of the valve rod 5 and the working principle of the valve plate 4 for opening or closing the valve port 141 are disclosed in chinese patent No. zl201020682854.X (grant publication No. CN 202040401U). When the valve plate 4 opens the valve port 141, the water inlet waterway of the water purifying device is conducted, and when the valve plate 4 closes the valve port 141, the water inlet waterway of the water purifying device is blocked.

As shown in fig. 2 and 3, the elastic member 6 is a spring which is accommodated in the first chamber 131 and is located between the wall of the first chamber 131 and the valve plate 4. The elastic piece 6 is provided with a slag discharging needle 61, and the slag discharging needle 61 penetrates through the bypass hole 42 of the valve plate 4.

As shown in fig. 2 and 3, the interior of the valve body 1 is also provided with a filter screen 7, and on the water flow path, this filter screen 7 is located upstream of the water inlet chamber 13. Specifically, the channel 15 further communicates the water inlet joint 11 with the second water outlet joint 122, and the filter screen 7 is accommodated in the channel 15.

The water inlet valve for the water purification equipment in the embodiment is characterized in that the connecting piece 2 is made of plastic materials, the strength is limited, when the water inlet joint 11 is communicated with an external threaded interface, due to the combined action of the limiting component and the sealing gasket 3, the connecting piece 2 can be limited when the connecting piece 2 is screwed, so that the connecting piece 2 is not easy to deform or separate from the water inlet joint 11 under violent installation, the sealing gasket 3 has stronger deformation resistance when having enough compression, the sealing gasket 3 is not easy to locally tilt due to deformation, and gaps are not easy to be generated between the sealing gasket 3 and the end face of the water inlet joint 11 and between the sealing gasket 3 and the end face of the external interface, so that the sealing property of the joint of the water inlet joint 11 and the external interface is better. The bypass hole 42 can be dredged through the slag discharging needle 61, impurities in raw water are filtered through the filter screen 7, the first filtering is provided for the water purification of the water purification equipment, and the water inlet valve of the water purification equipment is not easy to be blocked.

The water purifying apparatus (not shown in the figure) of this embodiment, to which the water inlet valve of the foregoing water purifying apparatus is applied, includes a filter element provided with a water inlet port 11, and the first water outlet joint 121 is communicated with the water inlet port 11.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims

1. A water inlet valve for a water purification apparatus, comprising:

a valve body (1) having a tubular joint;

the connecting piece (2) is arranged along the axial direction of the joint and is annular, and the mouth part of the first end (2 a) of the connecting piece (2) is used for inserting the joint into the connecting piece;

a gasket (3) accommodated inside the connector (2) and adapted to abut against an end face of the joint;

the method is characterized in that: the sealing gasket (3) comprises a sealing ring (31) made of elastic materials and a supporting piece (32) made of rigid materials, and the supporting piece (32) is embedded in the sealing ring (31).

2. The fill valve as set forth in claim 1 wherein: the support (32) is ring-shaped.

3. The fill valve as set forth in claim 2 wherein: the support (32) is sheet-shaped.

4. The fill valve as set forth in claim 1 wherein: the connecting piece (2) comprises a main body part (21) and an annular blocking part (22) extending inwards along the radial direction from the edge of the first end (2 a) of the main body part (21), and a central hole (221) of the annular blocking part (22) forms the opening part of the first end (2 a) of the connecting piece (2); the outside cover of joint is equipped with the spacing subassembly that is located between annular fender portion (22) and sealed pad (3).

5. The fill valve as set forth in claim 4, wherein: the outer peripheral surface of the joint is provided with a clamp spring groove (111), the limiting assembly comprises a clamp spring (81) arranged in the clamp spring groove (111), and the clamp spring (81) is abutted with one side surface of the annular blocking part (22) facing the sealing gasket (3).

6. The fill valve as set forth in claim 5, wherein: the limiting assembly further comprises a limiting ring (82), the limiting ring (82) comprises a first annular portion (821) which is abutted against one side surface of the clamp spring (81) towards the sealing gasket (3), and a second annular portion (822) which extends from the radial outer edge of the first annular portion (821) towards the annular blocking portion (22), and the second annular portion (822) is abutted against one side surface of the annular blocking portion (22) towards the sealing gasket (3).

7. The fill valve as set forth in claim 1 wherein: the connecting piece (2) is a nut.

8. The fill valve as set forth in any one of claims 1-7 wherein: the connector include water inlet connector (11) and first water outlet connector (121), valve body (1) inside cavity, and be equipped with:

a water inlet chamber (13);

the valve plate (4) is made of elastic materials, is accommodated in the water inlet chamber (13) and divides the interior of the water inlet chamber (13) into a first chamber (131) and a second chamber (132) which is in fluid communication with the water inlet joint (11), the valve plate (4) is provided with a pressure relief hole (41) and a bypass hole (42), the aperture of the pressure relief hole (41) is larger than that of the bypass hole (42), and the bypass hole (42) is communicated with the first chamber (131) and the second chamber (132);

a water outlet chamber (14) which is positioned in the second chamber (132) and is in fluid communication with the first water outlet joint (121), wherein the water outlet chamber (14) is opened towards one side of the valve plate (4) to form a valve port (141) which is communicated with the second chamber (132) and the water outlet chamber (14), the valve plate (4) is used for opening or closing the valve port (141), and the pressure relief hole (41) is communicated with the first chamber (131) and the water outlet chamber (14);

a valve rod (5) reciprocally constrained inside the first chamber (131) and capable of opening or closing the pressure release hole (41);

and the elastic piece (6) enables the valve plate (4) to always have the deformation trend of closing the valve port (141).

9. The fill valve as set forth in claim 8 wherein: the elastic piece (6) is provided with a slag discharging needle (61), and the slag discharging needle (61) is penetrated into the bypass hole (42) of the valve plate (4).

10. The fill valve as set forth in claim 8 wherein: the inside of valve body (1) still is equipped with filter screen (7), and on the rivers route, filter screen (7) be located the upstream of inlet chamber (13).

11. The fill valve as set forth in claim 10 wherein: the connector also comprises a second water outlet connector (122), a channel (15) is arranged in the valve body (1), the water inlet connector (11), the water inlet chamber (13) and the second water outlet connector (122) are all communicated with the channel (15), and the filter screen (7) is accommodated in the channel (15).

12. The fill valve as set forth in claim 8 wherein: the connecting piece (2) is arranged on the water inlet joint (11).

13. The utility model provides a water purification unit, includes the filter core that has water inlet port, its characterized in that: use of a water inlet valve according to any one of claims 8 to 12 for a water purification apparatus, and wherein the first outlet fitting (121) is in fluid communication with the inlet port.