CN220749047U

CN220749047U - Switch valve core

Info

Publication number: CN220749047U
Application number: CN202322202172.4U
Authority: CN
Inventors: 林毅民; 黄鹏鲲; 王清平
Original assignee: Runner Xiamen Corp
Current assignee: Runner Xiamen Corp
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-04-09
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses a switch valve core, which comprises a body with a cavity, wherein a water inlet and a water outlet which can be communicated through the cavity are further arranged on the body, a movable shaft is arranged in the cavity, a concave part is arranged in the middle of the movable shaft, fluid of the water inlet can flow to the water outlet through the concave part, and the fluid pressure areas of the upper end face and the lower end face of the concave part are equal; the outer peripheral wall of the movable shaft above the concave part can prevent fluid from flowing into the concave part from the water inlet, and the switch valve core is not affected by water pressure all the time under the high-low pressure opening and closing states, so that the high-low pressure operation force is realized in a labor-saving way.

Description

Switch valve core

Technical Field

The utility model relates to a switch valve core.

Background

The existing switch valve core has obvious difference in operating force under high and low water supply pressure, and because the core shaft for switching has great influence on water pressure, the valve core is mainly characterized by heavy hand feeling of high-pressure operation and uncomfortable user experience. And the pilot diaphragm valve core is closed by water pressure or by spring action, so that the risk of incomplete closing exists.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a switch valve core.

The utility model is realized by the following technical scheme:

the switch valve core comprises a body with a cavity, wherein a water inlet and a water outlet which can be communicated through the cavity are further formed in the body, a movable shaft is arranged in the cavity, a concave part is arranged in the middle of the movable shaft, fluid of the water inlet can flow to the water outlet through the concave part, and the fluid pressure areas of the upper end face and the lower end face of the concave part are equal; the peripheral wall of the movable shaft above the concave part can prevent fluid from flowing into the concave part from the water inlet; the body includes interior body, interior body includes water and lower connecting piece, the connection piece has been laid to water inlet body below annular, the connection piece sets up bellied joint piece, the annular cloth of connecting piece top down has the lug, be provided with the slot on the lug, the joint piece can be connected with the slot cooperation.

In the embodiment of the utility model, the peripheral side walls of the cavity above and below the water inlet are respectively provided with a first sealing ring and a second sealing ring; wherein the first sealing ring is tightly connected with the peripheral wall of the movable shaft; when the peripheral wall of the movable shaft is tightly connected with the first sealing ring and the second sealing ring at the same time, the water inlet is blocked.

In the embodiment of the utility model, the middle part of the movable shaft is provided with the annular concave part, and the areas of fluid acting on the upper end face and the lower end face of the annular concave part are equal.

In the embodiment of the utility model, the movable shaft comprises a first cylinder and a second cylinder, wherein the upper end and the lower end of the second cylinder are respectively provided with the first cylinder, the diameter of the first cylinder is larger than that of the second cylinder, and the annular concave part is formed between the two second cylinders and the first cylinder; the first sealing ring is tightly connected with the second column above.

In the embodiment of the utility model, the body is also provided with a matched stator and rotor, the stator is provided with a first ratchet, the rotor is provided with a second ratchet, the first ratchet is connected with the second ratchet in a matched manner, the lower end face of the rotor is in abutting fit with the upper end face of the movable shaft, and a spring is also arranged between the movable shaft and the body; pressing the stator enables axial movement of the movable shaft.

In the embodiment of the utility model, the body further comprises an outer body, a water inlet channel communicated with the water inlet is arranged between the outer body and the inner body, a water outlet channel communicated with the water outlet is arranged between the outer body and the inner body, and a filter screen is arranged at the water inlet end of the water inlet channel; the water inlet channel and the water outlet channel are separated by a sealing ring.

In the embodiment of the utility model, the inner body further comprises an upper connecting piece, a water inlet is arranged on the peripheral side wall of the water inlet body, the water inlet body is connected with the lower connecting piece, the upper connecting piece is arranged in the water inlet body, a water outlet is arranged on the peripheral side wall of the upper connecting piece, a water passing port capable of being connected with the water outlet in a matched manner is formed between the water inlet body and the lower connecting piece, and the water passing port can be communicated with a water outlet channel and the water passing port; the lower connecting piece is concave downwards, and the spring is arranged between the lower connecting piece and the lower end face of the movable shaft.

In the embodiment of the utility model, a clamping groove is formed between two adjacent lugs, clamping lugs are annularly distributed on the periphery of the lower part of the upper connecting piece, and the clamping lugs can be connected with the clamping groove in a matching way.

In the embodiment of the utility model, the step surface is arranged above the water inlet body and can be in abutting fit with the upper end surface of the upper connecting piece.

The switch valve core has the following beneficial effects: the water way is opened and closed when the movable shaft moves up and down, the upper and lower stressed areas of the movable shaft are consistent, the movable shaft is not influenced by water pressure all the time under the state of opening and closing high and low water pressure, and the operating force of the high and low pressure is as light and labor-saving. The manual pressing closes water, avoids the risk of failing to close water such as spring inefficacy, water economy resource.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the water passage state of the present utility model.

Fig. 3 is a cross-sectional view of the present utility model in a water shut-off state.

Fig. 4 is an exploded view of the present utility model.

Fig. 5 is a schematic view of the inner body of the present utility model.

Fig. 6 is an exploded view of the inner body of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

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", 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 apparatus or elements 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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

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 formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to the drawings in the specification, the switch valve core comprises a body 10 with a cavity 11, wherein the body is also provided with a water inlet 12 and a water outlet 13 which can be communicated through the cavity, fluid (generally referred to as water) flows into the cavity through the water inlet and flows out of the cavity through the water outlet, the cavity is internally provided with a movable shaft 20, the middle part of the movable shaft is provided with a concave part 21, the large-size periphery of the movable shaft is matched with the inner periphery of the cavity, the fluid of the water inlet can flow to the water outlet through the concave part, namely, the water of the water inlet flows out of the water outlet after passing through the concave part, the fluid pressure areas of the upper end face and the lower end face of the concave part are equal, the two areas are equal, so that the water pressure acts on the movable shaft and the downward acting force are mutually offset, the axial movement of the movable shaft is not influenced by the water pressure, and the same force is only required under any water pressure condition; the peripheral wall of the movable shaft above the concave part can prevent fluid from flowing into the concave part from the water inlet, that is, the movable shaft can be moved to realize the blocking and opening of the water inlet.

Preferably, the first sealing ring 31 and the second sealing ring 32 are respectively arranged on the peripheral side walls of the cavity above and below the water inlet; the first sealing ring is tightly connected with the peripheral wall of the movable shaft, so that fluid cannot flow upwards, and an operating part is arranged above the first sealing ring; when the peripheral wall of the movable shaft is tightly connected with the first sealing ring and the second sealing ring at the same time, the water inlet is blocked.

Referring to the drawings, the middle part of the movable shaft is provided with an annular concave part 21, and the areas of fluid acting on the upper end face and the lower end face of the annular concave part are equal. Further, the moving shaft includes a first cylinder 22 and a second cylinder 23, in an embodiment, the first cylinder and the second cylinder are coaxially disposed, the upper end and the lower end of the second cylinder are respectively provided with a first cylinder, the diameter of the first cylinder is larger than that of the second cylinder, and the annular recess is formed between the two second cylinders and the first cylinder; the first sealing ring is tightly connected with the second column above.

Further, the body is further provided with a stator 41 and a rotor 42 which are matched with each other, the stator is provided with a first ratchet 43, the rotor is provided with a second ratchet 44, the first ratchet is connected with the second ratchet in a matched manner, the lower end face of the rotor is in abutting fit with the upper end face of the movable shaft, and a spring 45 is further arranged between the movable shaft and the body; pressing the stator enables axial displacement of the displacement shaft, which is similar to a ballpoint pen structure and will not be described in detail here.

Still further, the body 10 includes an outer body 14 and an inner body 15, a water inlet channel 16 communicated with the water inlet is arranged between the outer body and the inner body, a water outlet channel 17 communicated with the water outlet is arranged between the outer body and the inner body, and a filter screen 18 is arranged at the water inlet end of the water inlet channel; the water inlet channel and the water outlet channel are separated by a sealing ring 19.

Preferably, the inner body comprises a water inlet body 51, an upper connecting piece 52 and a lower connecting piece 53, a water inlet is arranged on the peripheral side wall of the water inlet body, the water inlet body is connected with the lower connecting piece, the upper connecting piece is arranged in the water inlet body, a water outlet is arranged on the peripheral side wall of the upper connecting piece, a water passing port 60 which can be connected with the water outlet in a matched manner is formed between the water inlet body and the lower connecting piece, and the water passing port can be communicated with a water outlet channel and the water passing port; the lower connecting piece is concave downwards, so to speak a bowl-shaped, the spring is arranged between the lower connecting piece and the lower end face of the movable shaft, and under the condition that the spring fails, the movable shaft can be made to move downwards to seal the water inlet by pressing the stator, and meanwhile, the state is kept under the action of water pressure, the first sealing ring and the second sealing ring.

More specifically: the connecting piece 54 has been laid to the ring shape of intaking body below, the connecting piece sets up bellied joint piece 55, the ring shape has been laid to lower connecting piece top has been provided with lug 56, be provided with slot 57 on the lug, the joint piece can be connected with the slot cooperation, makes intaking body and lower connecting piece link together like this. A clamping groove 58 is formed between two adjacent lugs, a clamping lug 59 is annularly arranged on the periphery of the lower part of the upper connecting piece and can be connected with the clamping groove in a matched manner, a step surface 50 is arranged above the water inlet body, and the step surface can be in butt fit with the upper end surface of the upper connecting piece; thus, the upper connecting piece can be fixed between the water inlet body and the lower connecting piece.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The switch valve core comprises a body with a cavity, wherein the body is also provided with a water inlet and a water outlet which can be communicated through the cavity, and the switch valve core is characterized in that a movable shaft is arranged in the cavity, a concave part is arranged in the middle of the movable shaft, fluid of the water inlet can flow to the water outlet through the concave part, and the fluid pressure areas of the upper end face and the lower end face of the concave part are equal; the peripheral wall of the movable shaft above the concave part can prevent fluid from flowing into the concave part from the water inlet; the body includes interior body, interior body includes water and lower connecting piece, the connection piece has been laid to water inlet body below annular, the connection piece sets up bellied joint piece, the annular cloth of connecting piece top down has the lug, be provided with the slot on the lug, the joint piece can be connected with the slot cooperation.

2. The switch valve core according to claim 1, wherein a first sealing ring and a second sealing ring are respectively arranged on the peripheral side wall of the cavity above and below the water inlet; wherein the first sealing ring is tightly connected with the peripheral wall of the movable shaft; when the peripheral wall of the movable shaft is tightly connected with the first sealing ring and the second sealing ring at the same time, the water inlet is blocked.

3. The switch valve core according to claim 2, wherein an annular recess is provided in the middle of the movable shaft, and the areas of fluid acting on the upper end face and the lower end face of the annular recess are equal.

4. The switch valve core according to claim 3, wherein the moving shaft comprises a first cylinder and a second cylinder, the upper end and the lower end of the second cylinder are respectively provided with the first cylinder, the diameter of the first cylinder is larger than that of the second cylinder, and the annular concave part is formed between the two second cylinders and the first cylinder; the first sealing ring is tightly connected with the second column above.

5. The switch valve core according to any one of claims 1-4, wherein the body is further provided with a stator and a rotor which are matched with each other, the stator is provided with a first ratchet, the rotor is provided with a second ratchet, the first ratchet is connected with the second ratchet in a matched manner, the lower end face of the rotor is in abutting fit with the upper end face of the movable shaft, and a spring is further arranged between the movable shaft and the body; pressing the stator enables axial movement of the movable shaft.

6. The switch valve core according to claim 5, wherein the body further comprises an outer body, a water inlet channel communicated with the water inlet is arranged between the outer body and the inner body, a water outlet channel communicated with the water outlet is arranged between the outer body and the inner body, and a filter screen is arranged at the water inlet end of the water inlet channel; the water inlet channel and the water outlet channel are separated by a sealing ring.

7. The switch valve core according to claim 6, wherein the inner body further comprises an upper connecting piece, a water inlet is arranged on the peripheral side wall of the water inlet body, the water inlet body is connected with a lower connecting piece, the upper connecting piece is arranged in the water inlet body, a water outlet is arranged on the peripheral side wall of the upper connecting piece, a water passing port capable of being connected with the water outlet in a matched mode is formed between the water inlet body and the lower connecting piece, and the water passing port can be communicated with a water outlet channel and the water passing port; the lower connecting piece is concave downwards, and the spring is arranged between the lower connecting piece and the lower end face of the movable shaft.

8. The switch valve core according to claim 7, wherein a clamping groove is formed between two adjacent lugs, and a clamping lug is annularly arranged on the periphery of the lower part of the upper connecting piece, and the clamping lug can be connected with the clamping groove in a matching manner.

9. The switch valve core according to claim 8, wherein a step surface is provided above the water inlet body, and the step surface can be in abutting fit with an upper end surface of the upper connecting piece.