CN212745102U

CN212745102U - Novel water leakage prevention valve

Info

Publication number: CN212745102U
Application number: CN202021449273.1U
Authority: CN
Inventors: 黄维正
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-19
Anticipated expiration: 2030-07-21

Abstract

The utility model relates to the technical field of valves, and provides a novel water leakage prevention valve, which comprises a valve body with a water inlet and a water outlet and a valve core arranged in the valve body for controlling the on-off of water flow, the valve core comprises a valve core body, a valve rod, a ceramic moving plate, a ceramic stator plate, a protective guide pillar and a limiting sleeve, the end face of the upper end of the limiting sleeve is in contact connection with the ceramic stator plate through a sealing ring, the protective guide pillar is arranged in the limiting sleeve in a penetrating way, the upper end of the protective guide pillar props against the ceramic stator plate, an annular convex ring formed by extending from the center to the outside is arranged below the annular ring of the limiting sleeve at the lower part of the protective guide pillar, the radius of the annular convex ring is larger than that of the annular ring of the inner, the protective guide pillar is positioned on the upper surface of the annular convex ring and is further sleeved with a sealing ring, the outer diameter radius of the sealing ring on the annular convex ring is larger than the radius of the annular ring on the inner wall of the limiting sleeve, and at least one flow guide channel is formed in the protective guide pillar. The utility model provides an angle valve of current ceramic switch case leak after the case has the fracture and cause the problem of serious loss.

Description

Novel water leakage prevention valve

Technical Field

The utility model relates to the technical field of valves, in particular to novel water leakage prevention valve.

Background

At present tap that can both use in some daily life and work, tap inner structure all comprises valve body and case usually, control the break-make that the case shut off the delivery pipe and control the delivery pipe by the handle, but use frequently after like the angle valve of current ceramic switch case can make the case fracture because unexpected situations such as external violent use, and then make ceramic switch by rivers rush out, the condition of leaking can appear, lead to appearing rivers and take place to the condition of spraying all around, cause the flood easily, personal and loss of property. At present, if valves such as angle valves adopting ceramic switches are mostly manufactured by replacing high-quality and high-cost materials in the market, the manufacturing cost of the valves is too high, and although some valves for preventing water leakage after the valve core is broken are developed, the valves are complex in structure, high in consumable material, not ideal in water leakage prevention effect and inconvenient to install and use.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a simple structure is reasonable, the cost is with low costs, effectively prevent the case fracture back leak, install convenient to use's novel leak protection water valve.

In order to solve the technical problem, the utility model discloses take following scheme: a novel water leakage prevention valve comprises a valve body with a water inlet and a water outlet, and a valve core arranged in the valve body and used for controlling the on-off of water flow, wherein the valve core comprises a valve core body, a valve rod, a ceramic moving plate and a ceramic static plate, a water flow channel is arranged in the valve core body, the upper part of the water flow channel is provided with the water outlet communicated with the water outlet of the valve body, the water inlet of the water flow channel is communicated with the water inlet of the valve body, the valve rod, the ceramic moving plate and the ceramic static plate are respectively arranged in the valve core body from top to bottom in sequence, the ceramic moving plate and the ceramic static plate are positioned between the water inlet and the water outlet of the water flow channel to control the on-off of the water flow channel, the novel water leakage prevention valve further comprises a protection guide pillar and a limiting sleeve, the limiting sleeve is embedded at the water inlet end of the water flow channel of the valve, the protective guide pillar is arranged in the limiting sleeve in a penetrating mode, the upper end of the protective guide pillar abuts against the ceramic stator, an annular convex ring formed by extending the center outwards is arranged below an annular ring of the limiting sleeve on the lower portion of the protective guide pillar, the radius of the annular convex ring is larger than that of the inner wall of the limiting sleeve, a sealing ring is further sleeved on the upper surface of the annular convex ring of the protective guide pillar, the outer diameter radius of the sealing ring on the annular convex ring is larger than that of the annular ring of the inner wall of the limiting sleeve, at least one flow guide channel is formed in the protective guide pillar, the water inlet of each flow guide channel is located on the side wall of the protective guide pillar between the annular convex ring of the protective guide pillar and the annular ring of the limiting sleeve, and.

In a further improvement, the upper end face of the protection guide pillar is provided with an elastic ring.

In a further improvement, the end surface of the bottom of the limit sleeve is also provided with a seal ring.

By adopting the technical scheme, the beneficial effects of the utility model are that: the limiting sleeve is flexibly connected with the ceramic stator through the sealing ring, the pressure applied to the ceramic stator by the limiting sleeve is avoided, meanwhile, the sealing between the limiting sleeve and the ceramic stator is ensured, water leakage is avoided, the annular ring is arranged in the limiting sleeve, the protection guide pillar is arranged in the limiting sleeve in a penetrating manner, the top end of the protection guide pillar is propped against the ceramic stator under the water flow pressure of a water inlet, water flows into a circulation port of the ceramic stator from a flow guide channel of the protection guide pillar, when the valve core body is fractured along the middle part, the ceramic stator is washed away by the water flow pressure of water supply, the protection guide pillar rises, the annular convex ring of the protection guide pillar drives the sealing ring to seal the annular ring of the limiting sleeve, namely, the annular convex ring presses the sealing ring to the annular ring of the limiting sleeve to realize the sealing and blocking of the annular ring of the flow guide channel on the protection guide pillar, the automatic sealing and the shutoff of the, simple and reasonable structure, low cost, effective prevention of water leakage after the valve core is broken, convenient installation and use, and wide popularization and application.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic sectional structure diagram of an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, wherein the ceramic switch valve core is disclosed in the Chinese patent documents: 201020161105.2 ceramic valve plate tap etc. are disclosed, therefore only the new design part of this application will be described in detail below.

Referring to fig. 1 and 2, the preferred novel water leakage prevention valve of the present invention comprises a valve body having a water inlet and a water outlet, and a valve core disposed in the valve body for controlling the on/off of water flow, wherein the valve core comprises a valve core body 1, a valve rod 2, a ceramic rotor 3, a ceramic stator 4, a protection guide pillar 5 and a stop collar 6, a water flow channel is disposed in the valve core body 1, a water outlet 11 is disposed at the upper portion of the water flow channel and is communicated with the water outlet of the valve body, the water inlet of the water flow channel is communicated with the water inlet of the valve body, the valve rod 2, the ceramic rotor 3 and the ceramic stator 4 are sequentially disposed in the valve core body 1 from top to bottom respectively, the ceramic rotor 3 and the ceramic stator 4 are disposed between the water inlet and the water outlet 11 of the water flow channel for controlling the on/off of the water flow channel, the stop collar 6, the upper end face of the limiting sleeve 6 is in contact connection with the ceramic stator 4 through a sealing ring 7, the bottom end face of the limiting sleeve 6 is further provided with a sealing ring 8, the inner wall of the upper portion of the limiting sleeve 6 is provided with an annular ring 61 extending towards the center, the protective guide pillar 5 penetrates through the limiting sleeve 6 and the upper end of the protective guide pillar 5 abuts against the ceramic stator 4, the lower portion of the protective guide pillar 5 is located below the annular ring 61 of the limiting sleeve 6 and is provided with an annular convex ring 51 extending towards the outside, the radius of the annular convex ring 51 is larger than that of the annular ring 61 of the inner wall of the limiting sleeve 6, the upper surface of the annular convex ring 51, on which the protective guide pillar 5 is located, is further sleeved with a sealing ring 9, the outer diameter radius of the sealing ring 9 on the annular convex ring 51 is larger than that of the annular ring 61 of the inner wall of the limiting sleeve 6, four diversion channels are uniformly distributed on the protective guide pillar 5 along the vertical direction, and the water inlets of the diversion channels The water outlet of each flow guide channel is communicated with the circulation port of the ceramic stator 4.

The utility model discloses in still can be equipped with the elastic ring at protection guide pillar up end and make flexible contact between protection guide pillar and the pottery stator, reduce the possibility that pottery stator damaged.

The utility model adopts the flexible connection of the limit sleeve and the ceramic stator through the sealing ring, avoids the pressure given to the ceramic stator by the limit sleeve and simultaneously ensures the sealing between the limit sleeve and the ceramic stator to avoid water leakage, the annular ring is arranged in the limit sleeve and the protective guide post is arranged in the limit sleeve in a penetrating way, the top end of the protective guide post is propped against the ceramic stator under the water flow pressure of the water inlet, and water flows into the ceramic stator from the diversion channel of the protective guide post to the circulation port of the ceramic stator, when the valve core body is fractured along the middle part, the ceramic stator is washed away by the water flow pressure impact of water supply, and the protective guide post rises, the annular convex ring of the protective guide post drives the annular ring of the sealing ring plugging the limit sleeve, namely the annular convex ring presses the sealing ring to the annular ring of the limit sleeve to realize the sealing and plugging of the diversion channel on the protective guide post, the automatic sealing and shutoff of water flow are realized, simple and reasonable structure, low cost, effective prevention of water leakage after the valve core is broken, convenient installation and use, and wide popularization and application.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a novel water leakage prevention valve, includes the valve body that has water inlet and delivery port and locates the case of controlling the rivers break-make in the valve body, the case includes case body, valve rod, ceramic rotor and ceramic stator, this internal rivers passageway that is equipped with of case, rivers passageway upper portion are equipped with the delivery port of delivery port and valve body and are linked together, and the water inlet of rivers passageway is linked together with the water inlet of valve body, this internal and ceramic rotor and the ceramic stator of case is located the break-make of controlling the rivers passageway between the water inlet of rivers passageway and the delivery port respectively by last under to in proper order to valve rod, ceramic rotor and ceramic stator, its characterized in that: the water inlet end of the water flow channel embedded in the valve core body of the stop collar is a hollow cylindrical body, the upper end face of the stop collar is in contact connection with the ceramic stator through a sealing ring, an annular ring extending towards the center is arranged on the inner wall of the upper portion of the stop collar, the protective guide pillar is arranged in the stop collar in a penetrating mode, the upper end of the protective guide pillar abuts against the ceramic stator, an annular convex ring extending outwards from the center is arranged below the annular ring of the stop collar at the lower portion of the protective guide pillar, the radius of the annular convex ring is larger than that of the annular ring of the inner wall of the stop collar, a sealing ring is further sleeved on the upper surface of the annular convex ring of the protective guide pillar, the outer diameter radius of the sealing ring on the annular convex ring is larger than that of the annular ring of the inner wall of the stop collar, at least one flow guide channel is arranged on the protective guide pillar, the water inlet of each flow guide channel is arranged on the side wall of the The water port is communicated with the flow port of the ceramic stator.

2. The novel water leakage prevention valve according to claim 1, characterized in that: the upper end face of the protection guide pillar is provided with an elastic ring.

3. The novel water leakage prevention valve according to claim 1, characterized in that: and the end surface of the bottom of the limiting sleeve is also provided with a sealing ring.