CN220749067U - Multifunctional valve core - Google Patents

Abstract

The utility model discloses a multifunctional valve core, which comprises a body, wherein a water inlet flow channel, a water passing cavity and a water outlet flow channel which are connected in a matched manner are arranged on the body, and the multifunctional valve core also comprises a core shaft which can be positioned in the water passing cavity and can axially rotate and move; the water passing cavity is provided with a water inlet communicated with the water inlet flow channel, and is also provided with a water outlet communicated with the water outlet flow channel; the axial displacement of dabber can open or break off the inflow of water inlet, dabber week side is provided with the annular depressed part that can communicate water inlet and delivery port, be provided with the manger plate piece on the annular depressed part, the manger plate piece can rotate down with the delivery port cooperation with the dabber and realize the reduction of play water flow, this case concentrate on same dabber with switching function and flow control, has increased flow control than current case, has water-saving function.

Description

Multifunctional valve core

Technical Field

The utility model relates to a multifunctional valve core.

Background

Most of the existing switch valve cores have only a switch function; the on-off valve with flow regulation needs to be realized by newly making other mechanisms, has a complex structure, and has obvious difference in the operating force of the valve core when water is supplied at high pressure, and is characterized in that the high-pressure operation has heavy hand feeling and uncomfortable user experience. The pilot diaphragm valve core is closed by water pressure or by spring action, and the risk of incomplete closing exists.

Disclosure of Invention

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

The utility model is realized by the following technical scheme:

the multifunctional valve core comprises a body, wherein a water inlet flow channel, a water passing cavity and a water outlet flow channel which are connected in a matched mode are arranged on the body, and the multifunctional valve core also comprises a core shaft which can be positioned in the water passing cavity and can axially rotate and move; the water passing cavity is provided with a water inlet communicated with the water inlet flow channel, and is also provided with a water outlet communicated with the water outlet flow channel; the axial movement of the mandrel can open or cut off water inflow of the water inlet, an annular concave part which can be communicated with the water inlet and the water outlet is arranged on the periphery of the mandrel, a water blocking block is arranged on the annular concave part, and the water blocking block can be matched with the water outlet under the rotation of the mandrel so as to realize the reduction of water outflow.

In the embodiment of the utility model, the central part of the mandrel is provided with the annular concave part, the water cut-off can be realized by the cooperation of the peripheral wall of the mandrel above the annular concave part and the water inlet, and the water can be realized by the cooperation of the annular concave part and the water inlet; the water retaining block is arranged above the bottom of the annular concave part, a water passing gap can be formed between the water retaining block and the water passing cavity, when the water retaining block is close to the water outlet, fluid flowing in from the water inlet flows out through the annular concave part, the water passing gap and the water outlet, and fluid flowing in from the water inlet can flow out from the water outlet directly through the annular concave part.

In the embodiment of the utility model, the peripheral wall of the water retaining block is in engagement fit with the peripheral wall of the mandrel, and the area of the upper end surface of the annular concave part is equal to the sum of the area of the upper end surface of the water retaining block and the area of the lower end surface of the annular concave part.

In the embodiment of the utility model, a first sealing ring and a second sealing ring are arranged above and below the water inlet of the water passing cavity, and the first sealing ring and the second sealing ring can be in sealing fit with the peripheral wall of the mandrel above the annular concave part; the first sealing rings can be matched and connected with the peripheral wall of the mandrel; when the first sealing ring is only in sealing fit with the peripheral wall of the mandrel and the second sealing ring is not in sealing fit with the peripheral wall of the mandrel, the water inlet can flow in fluid; the first sealing ring and the second sealing ring are in sealing fit with the peripheral wall of the mandrel, and the water inlet cannot flow in fluid.

In the embodiment of the utility model, the mandrel comprises two cylinders at the upper end and the lower end, the middle parts of the two cylinders are connected through a first half cylinder and a second half cylinder, the first half cylinder and the second half cylinder are vertically distributed between the two cylinders, the two cylinders are coaxially arranged with the first half cylinder and the second half cylinder, the outer diameter of the first half cylinder is smaller than that of the cylinder, the outer diameter of the second half cylinder is not smaller than that of the cylinder, the second half cylinder forms the water blocking block, the first half cylinder and the second half cylinder are positioned at the same side of the mandrel, a first water passing notch is formed among the arc-shaped periphery of the first half cylinder, the upper end face of the second half cylinder and the lower end face of the cylinder, and a second water passing notch is formed among the side end faces of the first half cylinder and the second half cylinder and the upper end face and the lower end face of the two cylinders.

In the embodiment of the utility model, when the second semi-cylinder is not matched with the water outlet, the water inlet and the water outlet can be directly communicated through the second water passing notch; when the second semi-cylinder is matched with the water outlet, the water inlet and the water outlet are communicated through the first water passing notch and the water passing gap.

In the embodiment of the utility model, a slot is arranged above the mandrel, the slot is connected with an adjusting rod in a matched mode, one end of the adjusting rod is positioned outside the body, a clamping convex block is arranged on the periphery of the other end of the adjusting rod, a clamping groove matched with the clamping convex block is arranged in the slot, and the adjusting rod can drive the mandrel to axially rotate.

In the embodiment of the utility model, the body further comprises a matched stator and a rotor, the lower end surface of the rotor is in abutting fit with the upper end surface of the mandrel, a first ratchet is annularly arranged on the periphery of the stator, a second ratchet is annularly arranged on the periphery of the rotor, the first ratchet is in fit connection with the second ratchet, and a spring is arranged between the lower end of the mandrel and the body; the stator is pressed axially to drive the mandrel to move axially up and down so as to open or disconnect the water inlet of the water inlet.

In the embodiment of the utility model, a first inner body and a second inner body which are matched are arranged in the body, the water inlet is arranged on the first body, a connecting ring is arranged between the first inner body and the second inner body, a water outlet is arranged on the side wall of one circumference of the connecting ring, a water outlet flow passage is arranged between the outer circumference of the second inner body and the inner circumference of the body, and the spring is arranged between the second inner body and the lower end surface of the mandrel.

In the embodiment of the utility model, the water inlet end of the water inlet flow channel is provided with a filter screen.

The multifunctional valve core has the following beneficial effects: 1. the switching function and the flow regulation are concentrated on the same mandrel, so that the flow regulation is increased, and the water-saving function is realized; 2. the pressing switch and the rotation flow regulating quantity are not influenced by water pressure, and the high pressure and the low pressure can be mutually offset, so that the labor-saving effect is achieved; 3. the water is closed by manual pressing, so that risks of water failure caused by spring failure and the like are avoided.

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 schematic diagram of the maximum flow rate in the present utility model.

Fig. 3 is a cross-sectional view of A-A in fig. 2.

FIG. 4 is a schematic illustration of the minimum flow in the present utility model.

Fig. 5 is a cross-sectional view of B-B of fig. 4.

FIG. 6 is a schematic diagram of water shutoff in the present utility model.

Fig. 7 is a partial exploded view of the present utility model.

Fig. 8 is a partial exploded view of the present utility model.

Fig. 9 is a schematic view of a mandrel in accordance with 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 of the specification, a multifunctional valve core comprises a body 10, wherein a water inlet flow channel 11, a water passing cavity 12 and a water outlet flow channel 13 which are connected in a matching way are arranged on the body, water flows out of the water outlet flow channel after flowing into the water passing cavity from the water inlet flow channel, and a mandrel 20 which can be positioned in the water passing cavity is also included, the mandrel can realize whether the water inlet flow channel flows into the water passing cavity and the flow of the water passing cavity flows into the water outlet flow channel, and the mandrel can axially rotate and move; the water passing cavity is provided with a water inlet 14 communicated with the water inlet runner, and is also provided with a water outlet 15 communicated with the water outlet runner; the axial movement of the mandrel can open or cut off water inflow of the water inlet, the circumferential side of the mandrel is provided with an annular concave part 21 which can be communicated with the water inlet and the water outlet, the annular concave part is provided with a water blocking block 22, the water blocking block can be matched with the water outlet under the rotation of the mandrel to realize the reduction of water outflow.

Preferably, an annular concave part is arranged in the middle of the mandrel, the fit of the peripheral wall 23 of the mandrel above the annular concave part and the water inlet can realize water interruption, and the fit of the annular concave part and the water inlet can realize water supply; the utility model discloses a water-saving type water heater, including annular depressed part, water-retaining piece, dabber cavity, water inlet, dabber cavity, water-retaining piece, annular depressed part bottom top is provided with manger plate piece 22, manger plate piece can form water clearance 24 with crossing between the die cavity, when the manger plate piece is pressed close to the delivery port, the fluid that the water inlet flowed in flows out through annular depressed part, water clearance, delivery port, the fluid that the water inlet flowed in can carry out annular depressed part and directly follow the delivery port and flow out, can not direct shutoff when manger plate piece yoga water outlet cooperation, only forms the clearance, reduces the water yield, just can realize the shutoff when dabber periphery wall and water inlet cooperation, realizes cutting off water.

Further, the outer peripheral wall of the water retaining block is engaged and matched with the outer peripheral wall of the mandrel, that is, the two water retaining blocks are coaxial and have the same radius, the upper end surface area of the annular concave portion is equal to the sum of the upper end surface area of the water retaining block and the lower end surface area of the annular concave portion, so that the water pressures acting on the upper end and the lower end of the annular concave portion of the mandrel are equal and offset each other, and the mandrel cannot be affected by the water pressure when moving.

Still further, a first sealing ring 31 and a second sealing ring 32 are arranged above and below the water inlet of the water passing cavity, and the first sealing ring and the second sealing ring can be in sealing fit with the peripheral wall of the mandrel above the annular concave part; the first sealing rings can be matched and connected with the peripheral wall of the mandrel, so that water is prevented from flowing upwards; when the first sealing ring is only in sealing fit with the peripheral wall of the mandrel and the second sealing ring is not in sealing fit with the peripheral wall of the mandrel, the water inlet can flow in fluid into the water passing cavity; the first sealing ring and the second sealing ring are in sealing fit with the peripheral wall of the mandrel, the water inlet cannot flow in fluid, and the function of pausing water passing is realized in a rigid state.

The specific method is as follows: the mandrel comprises two cylinders 25 at the upper end and the lower end, the middle parts of the two cylinders are connected through a first half cylinder 26 and a second half cylinder 27, the first half cylinder and the second half cylinder are distributed in the middle of the two cylinders up and down, the two cylinders are coaxially arranged with the first half cylinder and the second half cylinder, the outer diameter of the first half cylinder is smaller than that of the cylinder, the outer diameter of the second half cylinder is not smaller than that of the cylinder, preferably, the two outer diameters are equal, so that the outer peripheral wall of the water retaining block is in engagement fit with the outer peripheral wall of the mandrel, the second half cylinder forms the water retaining block, the first half cylinder and the second half cylinder are located at the same side of the mandrel, a first water passing recess 28 is formed among the arc-shaped outer periphery of the first half cylinder, the upper end face of the second half cylinder and the lower end face of the cylinder, and a second water passing recess 29 is formed among the side end faces of the first half cylinder and the two cylinders.

More specifically: when the second semi-cylinder is not matched with the water outlet, the water inlet and the water outlet can be directly communicated through the second water passing notch, and the time when the flow is maximum is the moment; when the second semi-cylinder is matched with the water outlet, the water inlet and the water outlet are communicated through the first water passing notch and the water passing gap, and the flow is the smallest at the moment.

Preferably, a slot 210 is arranged above the mandrel, the slot is connected with an adjusting rod 40 in a matched manner, one end of the adjusting rod is positioned outside the body, a clamping projection 41 is arranged on the periphery of the other end of the adjusting rod, a clamping groove 211 matched with the clamping projection is arranged in the slot, and the adjusting rod can drive the mandrel to axially rotate, so that the mandrel can be controlled to rotate through the outer end of the body.

Further, the body further comprises a stator 51 and a rotor 52 which are matched, the lower end face of the rotor is in butt fit with the upper end face of the mandrel to drive the mandrel to axially move, a first ratchet 53 is annularly arranged on the periphery of the stator, a second ratchet 54 is annularly arranged on the periphery of the rotor, the first ratchet is in fit connection with the second ratchet, and a spring 55 is arranged between the lower end of the mandrel and the body; the stator is pressed axially to drive the mandrel to move axially up and down so as to open or disconnect the water inlet of the water inlet.

Still further, this internal first body 16 and the second internal body 17 that are provided with matched with, the water inlet sets up on the first body, be provided with go-between 18 in first internal body and the second body, be provided with the delivery port on the go-between a week lateral wall, another week lateral wall is confined, does not pass water, be provided with out the water runner between body periphery and the body inner periphery in the second, the spring sets up between body and dabber lower extreme face in the second.

The water inlet end of the water inlet flow channel is provided with a filter screen 60.

The utility model is more specifically described as follows: when the mandrel moves up and down, the waterway is opened and closed, different water passing areas are formed in the water passing cavity in the mandrel rotating process, the adjustment from small flow to full flow or from full flow to small flow is realized, when the mandrel moves up and down or rotates, the mandrel is not influenced by water pressure all the time, and when water is passed under high pressure, the easy operating force of the valve core is realized. The water is closed by manual pressing, and simultaneously, the mandrel can be driven to move downwards by pressing the adjusting rod, so that the water is closed, and the risk that the spring fails and the like and cannot be closed is avoided.

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 (9)

1. The multifunctional valve core comprises a body, wherein the body is provided with a water inlet flow channel, a water passing cavity and a water outlet flow channel which are connected in a matched mode, and the multifunctional valve core is characterized by also comprising a core shaft which can be positioned in the water passing cavity and can axially rotate and move; the water passing cavity is provided with a water inlet communicated with the water inlet flow channel, and is also provided with a water outlet communicated with the water outlet flow channel; the axial movement of the mandrel can open or cut off water inflow of the water inlet, an annular concave part which can be communicated with the water inlet and the water outlet is arranged on the periphery of the mandrel, a water blocking block is arranged on the annular concave part, and the water blocking block can be matched with the water outlet under the rotation of the mandrel so as to realize the reduction of water outflow; the utility model discloses a dabber, including dabber, adjusting lever, dabber top is provided with the slot, the slot cooperation is connected with adjusts the pole, it is outside that adjusts pole one end is located the body, it is provided with the joint lug to adjust the other end periphery, be provided with in the slot with joint lug matched with joint recess, it can drive the dabber and carry out axial rotation to adjust the pole.

2. The multifunctional valve core as claimed in claim 1, wherein an annular concave part is arranged in the middle of the core shaft, water can be cut off through cooperation of the outer peripheral wall of the core shaft above the annular concave part and the water inlet, and water can be communicated through cooperation of the annular concave part and the water inlet; the water retaining block is arranged above the bottom of the annular concave part, a water passing gap can be formed between the water retaining block and the water passing cavity, when the water retaining block is close to the water outlet, fluid flowing in from the water inlet flows out through the annular concave part, the water passing gap and the water outlet, and fluid flowing in from the water inlet can flow out from the water outlet directly through the annular concave part.

3. The multifunctional valve core according to claim 2, wherein the peripheral wall of the water blocking block is in engagement with the peripheral wall of the mandrel, and the area of the upper end surface of the annular recess is equal to the sum of the area of the upper end surface of the water blocking block and the area of the lower end surface of the annular recess.

4. A multifunctional valve core according to claim 3, wherein the water passing cavity is provided with a first sealing ring and a second sealing ring above and below the water inlet, and the first sealing ring and the second sealing ring can be in sealing fit with the peripheral wall of the mandrel above the annular concave part; the first sealing rings can be matched and connected with the peripheral wall of the mandrel; when the first sealing ring is only in sealing fit with the peripheral wall of the mandrel and the second sealing ring is not in sealing fit with the peripheral wall of the mandrel, the water inlet can flow in fluid; the first sealing ring and the second sealing ring are in sealing fit with the peripheral wall of the mandrel, and the water inlet cannot flow in fluid.

5. The multifunctional valve core according to claim 4, wherein the mandrel comprises two cylinders at the upper end and the lower end, the middle parts of the two cylinders are connected through a first half cylinder and a second half cylinder, the first half cylinder and the second half cylinder are vertically distributed between the two cylinders, the two cylinders are coaxially arranged with the first half cylinder and the second half cylinder, the outer diameter of the first half cylinder is smaller than that of the cylinder, the outer diameter of the second half cylinder is not smaller than that of the cylinder, the second half cylinder forms the water retaining block, the first half cylinder and the second half cylinder are located at the same side of the mandrel, a first water passing notch is formed among the arc-shaped outer periphery of the first half cylinder, the upper end face of the second half cylinder and the lower end face of the cylinder, and a second water passing notch is formed among the side end faces of the first half cylinder and the second half cylinder and the upper end face and the lower end face of the two cylinders.

6. The multifunctional valve cartridge of claim 5, wherein the water inlet and the water outlet are directly communicable via the second water passing recess when the second semi-cylinder is not mated with the water outlet; when the second semi-cylinder is matched with the water outlet, the water inlet and the water outlet are communicated through the first water passing notch and the water passing gap.

7. The multifunctional valve core according to any one of claims 1-6, wherein the multifunctional valve core further comprises a matched stator and a rotor in the body, the lower end face of the rotor is in abutting fit with the upper end face of the mandrel, a first ratchet is annularly arranged on the periphery of the stator, a second ratchet is annularly arranged on the periphery of the rotor, the first ratchet is in fit connection with the second ratchet, and a spring is arranged between the lower end of the mandrel and the body; the stator is pressed axially to drive the mandrel to move axially up and down so as to open or disconnect the water inlet of the water inlet.

8. The multifunctional valve core according to claim 7, wherein the first inner body and the second inner body which are matched are arranged in the body, the water inlet is formed in the first body, a connecting ring is arranged between the first inner body and the second inner body, a water outlet is formed in a peripheral side wall of the connecting ring, a water outlet flow passage is formed between the outer periphery of the second inner body and the inner periphery of the body, and the spring is arranged between the second inner body and the lower end face of the mandrel.

9. The multifunctional valve core according to claim 8, wherein the water inlet end of the water inlet flow channel is provided with a filter screen.