CN220354505U

CN220354505U - Water inlet valve and dish washer using same

Info

Publication number: CN220354505U
Application number: CN202321460519.9U
Authority: CN
Inventors: 岑琪
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-01-16
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to a water inlet valve and a dish washing machine using the same, wherein the water inlet valve comprises a valve body, and a water inlet and a water outlet are arranged on the valve body; the water isolation valve plug comprises a water isolation disc and a water outlet seat, the water isolation disc is matched with the partition plate to divide the valve body into a water inlet cavity, a water outlet cavity and a back pressure cavity, and the water outlet seat is inserted on the water isolation disc; the water inlet cavity is in fluid communication with the water inlet, the water outlet cavity is in fluid communication with the water outlet, the water outlet seat is provided with a water outlet hole which is communicated with the water outlet cavity and the back pressure cavity, and the water isolation disc is provided with a water inlet hole which penetrates through the wall thickness of the water isolation disc and is communicated with the water inlet cavity; the valve rod is movably arranged on the valve body, and the first end of the valve rod stretches into the back pressure cavity and can open or close the water outlet; the water-proof disc is also provided with a water passing hole which transversely extends and is communicated with the water inlet hole and the back pressure cavity. Through also seting up the water hole on the water proof dish, even like this have impurity to fall on the play water seat, also can not block up the water hole, simple structure guarantees that the water intaking valve can normally work.

Description

Water inlet valve and dish washer using same

Technical Field

The utility model relates to a valve for controlling water way on-off, in particular to a water inlet valve and a dish washer using the same.

Background

The inlet valve is used in many occasions where water supply is needed, such as water supply of washing machines and dish washers. As shown in fig. 5, the water inlet valve comprises a valve body 1a, a water isolation disc 2a and a water outlet seat 3a, wherein the water outlet seat 3a is inserted in the central part of the water isolation disc 2a, and a base plate 31a is formed at the peripheral edge of the water outlet seat 3a in an outward radial extending manner. The valve body 1a is provided with a water inlet 11a and a water outlet 12a, the valve body 1a is internally provided with a baffle 13a, the water baffle disc 2a is arranged in the valve body 1a, the water baffle disc 2a is matched with the baffle 13a to divide the interior of the valve body 1a into a water inlet cavity 14a, a water outlet cavity 15a and a back pressure cavity 16a, the water inlet cavity 14a is in fluid communication with the water inlet 11a, the water outlet cavity 15a is in fluid communication with the water outlet 12a, the water outlet seat 3a is provided with a water outlet hole 17a communicated with the water outlet cavity 15a and the back pressure cavity 16a, the water baffle disc 2a is provided with a water inlet hole 18a which penetrates through the wall thickness of the water baffle disc and is communicated with the water inlet cavity 14a, and the base disc 31a is provided with a water outlet hole 19a communicated with the water inlet hole 18a and the back pressure cavity 16 a.

Because the water of the inlet valve has impurities therein, when the inlet valve is closed, the water is stationary, the impurities in the water can precipitate, fall on the base plate 31a and block the water passing holes 19a, and in addition, microorganisms in the water can grow to block the water passing holes 19a.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a water inlet valve capable of preventing water holes from being blocked against the current state of the art.

The second technical problem to be solved by the utility model is to provide a dish washer applying the water inlet valve aiming at the current 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, comprising

The valve body is provided with a water inlet and a water outlet, and a partition board is arranged in the valve body;

the water isolation valve plug is arranged in the valve body and comprises a water isolation disc and a water outlet seat, the water isolation disc is transversely arranged, the water isolation disc is matched with the partition plate to divide the valve body into a water inlet cavity, a water outlet cavity and a back pressure cavity, and the water outlet seat is inserted on the water isolation disc;

the water inlet cavity is in fluid communication with the water inlet, the water outlet cavity is in fluid communication with the water outlet, the water outlet seat is provided with a water outlet hole which is communicated with the water outlet cavity and the back pressure cavity, and the water isolation disc is provided with a water inlet hole which penetrates through the wall thickness of the water isolation disc and is communicated with the water inlet cavity;

the valve rod is movably arranged on the valve body, the first end of the valve rod stretches into the back pressure cavity and can open or close the water outlet, and the valve rod keeps the trend of closing the water outlet under the action of the elastic piece;

the water-proof plate is characterized in that a water passing hole extending transversely is further formed in the water-proof plate, and the water passing hole is communicated with the water inlet hole and the back pressure cavity.

In the scheme, the water inlet holes are formed in a plurality of ways at intervals along the circumferential direction, and the water outlet holes are formed in the center of the circumference surrounded by the water inlet holes, so that the water pressure born by the water isolation disc is uniform, and the water isolation disc is prevented from deflecting.

In the scheme, the number of the water passing holes is at least two, and the water passing holes are symmetrically arranged on two sides of the water outlet hole in a rotating mode, so that water pressure born by the water isolation disc is uniform, and the water isolation disc is prevented from deflecting.

In the scheme, the water passing area of the water outlet holes is larger than the total water passing area of all the water passing holes.

Because the water flow of the water outlet hole is very small, in order to enable water to flow from the water inlet to the water outlet at a large flow rate, the water inlet cavity and the water outlet cavity are positioned on the same side of the back pressure cavity, the partition plate is positioned between the water inlet cavity and the water outlet cavity so as to separate the water inlet cavity from the water outlet cavity, the water isolation disc can be abutted with the partition plate so as to block the water inlet cavity and the water outlet cavity, and the water isolation disc can move in a direction away from the partition plate under the action of water pressure so as to communicate the water inlet cavity with the water outlet cavity. When the water-blocking disc is propped against the partition plate, water flow can only flow out from the water outlet, and the flow is small; when the water-separating disc is separated from the partition board, water in the water inlet cavity directly flows to the water outlet cavity from a gap between the water-separating disc and the partition board, and the water flow is large.

In order to bring the water-blocking plate into abutment with or out of contact with the partition plate, it is preferable that the water-blocking plate is elastically deformable under the action of water pressure so as to be away from the partition plate, and the water-blocking plate abuts against the partition plate in a natural state. The water-proof disc can be made of flexible materials such as rubber, silica gel and the like.

In the above scheme, the middle part of the water isolation disc arches towards the direction away from the back pressure cavity to form a convex part, the water inlet hole is formed in the top wall of the convex part, the periphery of the water outlet seat extends outwards along the radial direction to form a base disc, and along the water flow direction, the water passing hole is positioned at the downstream of the water inlet hole, so that the water entering from the water inlet hole flows into the water passing hole without directly flowing into the back pressure cavity.

In order to be convenient for set up water proof valve stopper in the valve body and form inlet chamber, play water cavity etc. in the valve body, the valve body includes first casing and the second casing that links to each other, and wherein water inlet, inlet chamber, delivery port, play water cavity all set up on first casing, back pressure chamber is seted up on the second casing and the top is uncovered, the top uncovered department in back pressure chamber is installed to the water proof dish. After the water inlet, the water inlet cavity, the water outlet cavity and the back pressure cavity are respectively formed in the corresponding shell, the water-proof valve plug is arranged on the second shell, and then the first shell and the second shell are connected.

In order to facilitate the installation of the water-proof valve plug on the second shell, a vertically extending inserting part is formed at the peripheral edge of the water-proof disc, and a slot for the inserting part to be inserted is formed at the top of the second shell. The insertion part is inserted into the slot, so that the assembly of the waterproof valve plug on the second shell is realized.

In order to be convenient for link to each other first casing and second casing, the bottom of first casing is equipped with the caulking groove, the lateral wall that is located the slot side of second casing forms the inserted block, the vertical extension of insert portion and lower part cartridge are in the slot, the upper portion of inserted block and insert portion is all inlayed and is established in the caulking groove. The first shell and the second shell are installed by inserting the insertion block into the caulking groove; meanwhile, the upper part of the insertion part is inserted in the caulking groove, so that the stability of the insertion block inserted in the caulking groove is improved, and the stability of the water-proof disc mounted on the valve body is also improved.

The utility model solves the second technical problem by adopting the technical proposal that: the dish washer is characterized by comprising a box body with a washing cavity and the water inlet valve, wherein the box body is provided with the water inlet pipe communicated with the washing cavity, and the water outlet of the water inlet valve is communicated with the water inlet end of the water inlet pipe.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the water passing holes are also formed in the water isolation disc, so that the water passing holes are not blocked even if impurities fall on the water outlet seat, the structure is simple, and the water inlet valve can work normally.

Drawings

FIG. 1 is a schematic view of a water inlet valve according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is an exploded view of FIG. 1;

fig. 5 is a cross-sectional view of a prior art fill valve.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 4, the water inlet valve of the preferred embodiment comprises a valve body 1, a water isolation valve plug and a valve rod 2, wherein the valve body 1 comprises a first shell 11 and a second shell 12 which are connected, a water inlet 13, a water inlet cavity 14, a water outlet 15 and a water outlet cavity 16 are formed in the first shell 11, a partition plate 17 is arranged in the first shell 11, the water inlet cavity 14 and the water outlet cavity 16 are respectively positioned on two sides of the partition plate 17, the water inlet cavity 14 is in fluid communication with the water inlet 13, and the water outlet cavity 16 is in fluid communication with the water outlet 15.

The water-proof valve plug is arranged in the valve body 1, the water-proof valve plug comprises a water-proof disc 3 and a water outlet seat 4, the water-proof disc 3 is transversely arranged, a back pressure cavity 18 with an open top is formed in the second shell 12, the water-proof disc 3 is arranged at the open top of the back pressure cavity 18, the water-proof disc 3 is matched with a partition plate 17 to divide the interior of the valve body 1 into a water inlet cavity 14, a water outlet cavity 16 and the back pressure cavity 18, the water outlet seat 4 is inserted on the water-proof disc 3 and partially extends into the water outlet cavity 16, and a water outlet hole 41 which is communicated with the water outlet cavity 16 and the back pressure cavity 18 is formed in the water outlet seat 4.

The middle part of the water-blocking disc 3 arches away from the back pressure cavity 18 to form a convex part 31, and the periphery of the water outlet seat 4 extends outwards along the radial direction to form a base disc 42, and the base disc 42 is positioned in the convex part 31.

The periphery department of water proof dish 3 is formed with the insertion portion 32 that vertically extends, and the top of second casing 12 is equipped with the slot 121 that can supply insertion portion 32 to insert, inserts insertion portion 32 and establishes in slot 121, has realized the assembly of water proof valve plug on second casing 12.

The water-blocking disc 3 is provided with a plurality of water inlets 33 which penetrate through the wall thickness and are communicated with the water inlet cavity 14, the water inlets 33 are arranged into a circle at intervals along the circumferential direction, the water outlets 41 are positioned at the center of the circumference surrounded by the water inlets 33, and in the embodiment, eight water inlets 33 are arranged and are arranged on the top wall of the convex part 31.

The water-proof disc 3 is also provided with water passing holes 34 which extend transversely, the water passing holes 34 are communicated with the water inlet holes 33 and the back pressure cavity 18, and at least two water passing holes 34 are arranged on two sides of the water outlet hole 41 in a rotationally symmetrical mode. In the water flow direction, the water passing holes 34 are positioned downstream of the water inlet holes 33, and the water passing area of the water outlet holes 41 is larger than the total water passing area of all the water passing holes 34.

In this embodiment, two water passing holes 34 are also provided on the top wall of the protrusion 31, and the wall thickness of the water-blocking disc 3 at the position where the water inlet hole 33 is provided is thinner, and the wall thickness of the water-blocking disc 3 at the position where the water passing hole 34 is provided is thicker.

From the above, the water inlet cavity 14 and the water outlet cavity 16 are located at the same side of the back pressure cavity 18, the partition plate 17 is located between the water inlet cavity 14 and the water outlet cavity 16, the water-isolation disc 3 can prop against the partition plate 17 to block the water inlet cavity 14 and the water outlet cavity 16, the water-isolation disc 3 can move in a direction away from the partition plate 17 under the action of water pressure, so that the water inlet cavity 14 and the water outlet cavity 16 are communicated, the water-isolation disc 3 can be made of flexible materials such as rubber, silica gel and the like, and therefore the water-isolation disc 3 can elastically deform under the action of water pressure to be away from the partition plate 17, and the water-isolation disc 3 props against the partition plate 17 in a natural state. When the water-blocking disc 3 is propped against the partition plate 17, water flow can only flow out from the water outlet holes 41, and the flow is small; when the water-blocking disc 3 is separated from the partition plate 17, water in the water inlet cavity 14 directly flows to the water outlet cavity 16 from a gap between the water-blocking disc 3 and the partition plate 17, and the water flow is large.

In addition, the bottom of the first housing 11 is provided with a caulking groove 111, the side wall of the second housing 12 located beside the insertion groove 121 forms an insertion block 122, the insertion portion 32 extends vertically and the lower portion is inserted in the insertion groove 121, and the insertion block 122 and the upper portion of the insertion portion 32 are both inserted in the caulking groove 111. Mounting of the first housing 11 and the second housing 12 is achieved by inserting the insertion block 122 in the insertion groove 111; meanwhile, the upper portion of the insertion portion 32 is inserted into the insertion groove 111, not only improving the stability of the insertion block 122 into the insertion groove 111, but also improving the stability of the installation of the water-blocking tray 3 on the valve body 1.

The valve rod 2 is movably mounted on the valve body 1, a first end of the valve rod 2 extends into the back pressure cavity 18 and can open or close the water outlet hole 41, a guide hole 123 is formed in the second shell 12, and the valve rod 2 is axially movably arranged in the guide hole 123 in a penetrating mode. The valve stem 2 keeps the tendency to close the water outlet 41 under the action of the resilient member. The valve rod 2 may be a core in an electromagnet, and the valve rod 2 can compress an elastic member to move when energized.

The operation of the fill valve of this embodiment is as follows (described below in the orientation of fig. 2):

when the water inlet 13 is filled with water, the water sequentially passes through the 8 water inlet holes 33 of the water isolation disc 3 and the two water passing holes 34 to enter the back pressure cavity 18, the valve is closed, the water outlet hole 41 is blocked by the valve rod 2, water cannot be discharged, after the back pressure cavity 18 is filled with water, the water pressure and the water pressure at the water inlet 13 reach balance, but the stress area above the water isolation valve is smaller than the stress area below, so that the water isolation disc 3 is propped against the partition plate 17 in the pressure direction of the water in the back pressure cavity 18, and the sealing effect is achieved.

When the inlet valve is energized, the valve rod 2 moves away from the water outlet hole 41, the elastic member acting on the valve rod 2 is compressed, the water outlet hole 41 is opened, and water flows to the water outlet cavity 16 through the 8 water inlet holes 33, the 2 water outlet holes 34 and the water outlet hole 41, and finally flows to the water outlet 15.

Because the water outlet hole 41 is opened, and the area of the water outlet hole 41 is larger than the sum of the areas of the 2 water outlet holes 34, the back pressure cavity 18 is fast in water outlet, slow in water inlet and small in pressure, the water-proof disc 3 is extruded downwards to deform, and the water inlet cavity 14 is directly communicated with the water outlet cavity 16, so that the valve opening effect is achieved. The water flow mainly enters and goes out through the channel which is opened after the water isolation disc 3 is compressed, and the water quantity of the water outlet holes 41 is small.

When the valve is closed, the valve rod 2 is propped against the water outlet hole 41 upwards under the action of the elastic piece, the back pressure cavity 18 only feeds water from the water outlet hole 34 and does not discharge water any more, after the water is filled, the water pressure reaches balance with the water pressure at the water inlet 13, the water isolation disc 3 is propped up against the partition plate 17, and the water passing channel between the water isolation disc 3 and the partition plate 17 is closed, so that the valve closing effect is achieved.

The water inlet valve can be applied to any waterway, the water inlet valve of the embodiment is applied to a dishwasher, the dishwasher further comprises a box body with a washing cavity, the box body is provided with a water inlet pipe communicated with the washing cavity, and a water outlet 15 of the water inlet valve is communicated with a water inlet end of the water inlet pipe.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of 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 because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

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, comprising

The valve body (1) is provided with a water inlet (13) and a water outlet (15), and a partition board (17) is arranged in the valve body (1);

the water-proof valve plug is arranged in the valve body (1) and comprises a water-proof disc (3) and a water outlet seat (4), the water-proof disc (3) is transversely arranged, the water-proof disc (3) is matched with a partition plate (17) to divide the interior of the valve body (1) into a water inlet cavity (14), a water outlet cavity (16) and a back pressure cavity (18), and the water outlet seat (4) is inserted on the water-proof disc (3);

the water inlet cavity (14) is in fluid communication with the water inlet (13), the water outlet cavity (16) is in fluid communication with the water outlet (15), the water outlet seat (4) is provided with a water outlet hole (41) communicated with the water outlet cavity (16) and the back pressure cavity (18), and the water isolation disc (3) is provided with a water inlet hole (33) which penetrates through the wall thickness of the water isolation disc and is communicated with the water inlet cavity (14);

the valve rod (2) is movably arranged on the valve body (1), the first end of the valve rod (2) stretches into the back pressure cavity (18) and can open or close the water outlet hole (41), and the valve rod (2) keeps the trend of closing the water outlet hole (41) under the action of the elastic piece;

the water-proof disc is characterized in that a water passing hole (34) extending transversely is further formed in the water-proof disc (3), and the water passing hole (34) is communicated with the water inlet hole (33) and the back pressure cavity (18).

2. The fill valve as set forth in claim 1 wherein: the water inlet holes (33) are arranged in a plurality of circles at intervals along the circumferential direction, and the water outlet holes (41) are positioned at the center of the circumference surrounded by the water inlet holes (33).

3. The fill valve as set forth in claim 2 wherein: the number of the water passing holes (34) is at least two, and the water passing holes are symmetrically arranged at two sides of the water outlet hole (41).

4. The fill valve of claim 3, wherein: the water passing area of the water outlet holes (41) is larger than the total water passing area of all the water passing holes (34).

5. The fill valve as set forth in any one of claims 1-4 wherein: the water inlet cavity (14) and the water outlet cavity (16) are positioned on the same side of the back pressure cavity (18), the partition plate (17) is positioned between the water inlet cavity (14) and the water outlet cavity (16), the water isolation disc (3) can prop against the partition plate (17) to block the water inlet cavity (14) and the water outlet cavity (16), and the water isolation disc (3) can move in a direction away from the partition plate (17) under the action of water pressure, so that the water inlet cavity (14) and the water outlet cavity (16) are communicated.

6. The fill valve as set forth in claim 5, wherein: the water-proof disc (3) can elastically deform under the action of water pressure so as to be far away from the partition plate (17), and the water-proof disc (3) is propped against the partition plate (17) in a natural state.

7. The fill valve as set forth in any one of claims 1-4 wherein: the middle part of water proof dish (3) is arched towards the direction of keeping away from backpressure chamber (18) and is formed protruding portion (31), inlet opening (33) and water hole (34) are all offered on the roof of protruding portion (31), and along the rivers direction, water hole (34) are located the low reaches of inlet opening (33).

8. The fill valve as set forth in any one of claims 1-4 wherein: the valve body (1) comprises a first shell (11) and a second shell (12) which are connected, wherein a water inlet (13), a water inlet cavity (14), a water outlet (15) and a water outlet cavity (16) are all arranged on the first shell (11), a back pressure cavity (18) is arranged on the second shell (12) and the top of the back pressure cavity is open, and the water isolation disc (3) is arranged at the top open of the back pressure cavity (18).

9. The fill valve as set forth in claim 8 wherein: the periphery department of water proof dish (3) is formed with vertically extending insert portion (32), the top of second casing (12) is equipped with slot (121) that can supply insert portion (32) to insert.

10. The fill valve as set forth in claim 9 wherein: the bottom of first casing (11) is equipped with caulking groove (111), the lateral wall that is located slot (121) side of second casing (12) forms inserted block (122), insert portion (32) vertical extension and lower part cartridge are in slot (121), inserted block (122) and the upper portion of insert portion (32) are all inlayed and are established in caulking groove (111).

11. A dishwasher, comprising a housing having a washing chamber and a water inlet valve according to any one of claims 1 to 10, wherein the housing is provided with a water inlet pipe communicating with the washing chamber, and a water outlet (15) of the water inlet valve is communicating with a water inlet end of the water inlet pipe.