CN220792189U

CN220792189U - Pressure stabilizing valve

Info

Publication number: CN220792189U
Application number: CN202322368096.4U
Authority: CN
Inventors: 朱薪霓
Original assignee: Ningbo Wantuan Technology Co ltd
Current assignee: Ningbo Wantuan Technology Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-16
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses a pressure stabilizing valve, which comprises a valve body, a flow control piston, a pressure-bearing spring and a sealing ring, wherein the valve body comprises an upper cover and a lower cover, a water inlet barrel extends from the bottom of the flow control piston, and the pressure-bearing spring is in interference fit with the flow control piston; the sealing ring is sleeved between the periphery of the flow control piston and the upper cover. The utility model has reasonable structural design, the size of the water flow is controlled by the size of the pressure, the spring is compressed when the pressure is higher, the height of the through hole is smaller, the water flow is smaller, the pressure in the cavity of the valve body is higher, so that the pressure inside and outside the valve body is stabilized, the steady flow effect is realized, and the same is true otherwise. The water purifier can effectively prevent the phenomenon that the water purifier bursts when the pressure is too high, and the overall stability of the water purifier is better increased.

Description

Pressure stabilizing valve

Technical Field

The utility model relates to the technical field of valves, in particular to a pressure stabilizing valve.

Background

Along with the development of scientific technology and the improvement of the living standard of people, the requirements of people on the quality of drinking water are more and more strict, so that the appearance of the water purifier is popular and accepted. The water purifier is also called a water purifier and a water quality purifier, and is water treatment equipment for carrying out deep filtration and purification treatment on water quality according to the use requirement of water. The pressure stabilizing valve is a necessary structure applied to the water purifier.

The pressure stabilizing valve in the current market can have the problems of water leakage and the like caused by unbalanced pressure in a short time, the quality can not be controlled, the maintenance cost is high, and unnecessary troubles are caused for the life of people.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a pressure stabilizing valve aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: the pressure stabilizing valve comprises a valve body, a flow control piston, a pressure-bearing spring and a sealing ring, wherein the valve body comprises an upper cover and a lower cover, a water inlet barrel extends from the bottom of the flow control piston, and the pressure-bearing spring is in interference fit with the flow control piston; the sealing ring is sleeved between the periphery of the flow control piston and the upper cover.

Preferably, a flow hole is formed in the top end face of the flow control piston, and the flow hole is matched with the upper cover to keep water flowing into the valve body cavity; the water inlet cylinder is provided with a through hole, so that water flows into the cavity through the flow hole and then flows out from the through hole to the lower cover; the height of the through hole is two thirds of that of the water inlet barrel.

Preferably, the pressure-bearing spring is arranged in the water inlet cylinder, the upper end of the pressure-bearing spring is abutted against the bottom surface of the flow control piston, and the lower end of the pressure-bearing spring is abutted against the lower cover.

Preferably, the pressure-bearing spring is arranged in the water inlet cylinder, the lower end of the pressure-bearing spring is in contact with and connected with a limiting block, and the upper end of the pressure-bearing spring is abutted against the bottom surface of the flow control piston.

Preferably, the pressure-bearing spring is sleeved outside the water inlet cylinder, the upper end of the pressure-bearing spring is abutted against the bottom surface of the flow control piston, and the lower end of the pressure-bearing spring is abutted against the lower cover.

Preferably, the upper cover may further comprise an upper cover top and an upper cover body; the lower cover can also be arranged in a groove shape; the lower cover is clamped outside the upper cover body, and the flow control piston and the water inlet cylinder are arranged in the valve cavity.

Preferably, the pressure-bearing spring is sleeved outside the upper cover body, the upper end of the pressure-bearing spring is abutted against the top and bottom surfaces of the upper cover, and the lower end of the pressure-bearing spring is abutted against the top surface of the lower cover or the inner bottom surface of the groove.

Preferably, the top surface of the upper cover is provided with a water inlet hole, and the bottom surface of the lower cover is provided with a water outlet hole; the upper cover is clamped with the lower cover.

Compared with the prior art, the utility model has the advantages that: the water flow is controlled by the pressure, the spring is compressed, the height of the through hole is smaller, the water flow is smaller, the pressure in the cavity of the valve body is larger, so that the pressure inside and outside the valve body is stabilized, the steady flow is realized, and the same is true. The water purifier can effectively prevent the phenomenon that the water purifier bursts when the pressure is too high, and the overall stability of the water purifier is better increased.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom construction of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the exploded construction of form 1 of the present utility model;

FIG. 5 is an exploded view of form 2 of the present utility model;

FIG. 6 is an exploded view of form 3 of the present utility model;

FIG. 7 is an exploded view of form 4 of the present utility model;

fig. 8 is an exploded view of form 4 of the present utility model.

Reference numerals: 1. a valve body; 11. an upper cover; 111. a water inlet hole; 112 a top cover; 113. an upper cover; 12. a lower cover; 121. a water outlet hole; 2. a flow control piston; 21. a flow orifice; 3. a water inlet cylinder; 31. a through hole; 4. a pressure-bearing spring; 5. a seal ring; 6. and a limiting block.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indicators, such as up, down, left, right, front, and rear …, are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Moreover, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases, and it will be understood by those skilled in the art that the specific meaning of these terms in the present utility model may be understood according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The connection modes referred to herein are prior art, do not have any improvement, all belong to common general knowledge of a person skilled in the art, and the specific meaning of the above terms in the present utility model can be understood by the person skilled in the art according to the specific situation.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Example 1

As shown in fig. 1 to 4, the present utility model provides a pressure stabilizing valve, which comprises a valve body 1, a flow control piston 2, a pressure-bearing spring 4 and a sealing ring 5; specifically, the valve body 1 includes an upper cover 11 and a lower cover 12, the top surface of the upper cover 11 is provided with a water inlet 111, and the bottom surface of the lower cover 12 is provided with a water outlet 121; the upper cover 11 is clamped with the lower cover 12.

The bottom of the flow control piston 2 is extended with a water inlet cylinder 3; specifically, the top end surface of the flow control piston 2 is provided with a flow hole 21, the flow control piston is matched with the upper cover 11 to keep water flowing into the cavity of the valve body 1, the water inlet cylinder 3 is provided with a through hole 31, and water flows into the cavity through the flow hole 21 and then flows out from the through hole 31 to the lower cover 12.

The pressure-bearing spring 4 is in interference fit with the flow control piston 2; specifically, the pressure-bearing spring 4 is arranged in the water inlet cylinder 3, the upper end of the pressure-bearing spring 4 is abutted against the bottom surface of the flow control piston 2, and the lower end of the pressure-bearing spring 4 is abutted against the lower cover 12. When the internal pressure and the external pressure are stable, the height of the through hole 31 is two thirds of that of the water inlet cylinder 3, when the external pressure is increased, the flow control piston 2 slides downwards in the cavity, the pressure-bearing spring 4 is compressed, the height of the through hole 31 is reduced to one third of that of the water inlet cylinder 3, the water flow is reduced, and the pressure in the cavity of the valve body 1 is increased, so that the internal pressure and the external pressure are stable, the steady flow effect is achieved, the bursting phenomenon of the water purifier when the pressure is overhigh is prevented, and the integral stability of the water purifier is better increased.

The sealing ring 5 is sleeved between the periphery of the flow control piston 2 and the upper cover 11, so that water is prevented from flowing in between the periphery of the flow control piston 2 and the upper cover 11, but the up-and-down movement of the flow control piston 2 is not affected.

Example 2

As shown in fig. 5, in particular, the pressure-bearing spring 4 is disposed in the water inlet cylinder 3, the lower end of the pressure-bearing spring 4 is in contact with the limiting block 6, and the upper end of the pressure-bearing spring 4 is abutted against the bottom surface of the flow-control piston 2. When the external pressure becomes large, the flow control piston 2 slides downwards in the cavity, the pressure-bearing spring 4 is compressed, the lower end of the pressure-bearing spring 4 acts on the limiting block 6, the limiting block 6 acts on the lower cover 12, the height of the through hole 31 is reduced to one third of that of the water inlet barrel 3, and the water flow is reduced.

Example 3

As shown in fig. 6, in a pressure stabilizing valve, specifically, the pressure-bearing spring 4 is sleeved outside the water inlet cylinder 3, the upper end of the pressure-bearing spring 4 abuts against the bottom surface of the flow-controlling piston 2, and the lower end of the pressure-bearing spring 4 abuts against the lower cover 12. When the external pressure becomes large, the flow control piston 2 slides downwards in the cavity, the pressure-bearing spring 4 is compressed, the water inlet barrel 3 slides downwards, the height of the through hole 31 is reduced to one third of the height of the water inlet barrel 3, and the water flow is reduced.

Example 4

As shown in fig. 7 to 8, in particular, the upper cover 11 may further be provided to include an upper cover top 112 and an upper cover body 113; the lower cover 12 may also be provided in a groove shape; the lower cover 12 is clamped outside the upper cover 113, and the flow control piston 2 and the water inlet cylinder 3 are arranged in the cavity of the valve body 1; the pressure-bearing spring 4 is sleeved outside the upper cover 113, the upper end of the pressure-bearing spring 4 is abutted against the bottom surface of the upper cover top 112, and the lower end of the pressure-bearing spring 4 is abutted against the top surface of the lower cover 12 or the inner bottom surface of the groove.

In the description of the present specification, reference is made to the terms "one embodiment," some embodiments, "" examples, "" particular illustrations

The description of an example or examples, etc., means that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.

The foregoing is only illustrative of the preferred embodiments of the present utility model and various modifications and changes in detail can be made by those skilled in the art in light of the present teachings without departing from the spirit and scope of the present teachings and it is intended that all such modifications, equivalents, and improvements as fall within the true spirit and scope of the present teachings.

Claims

1. The utility model provides a steady voltage valve, includes valve body, accuse flow piston, pressure-bearing spring and sealing washer, the valve body includes upper cover and lower cover, accuse flow piston bottom extension has a water inlet tube, its characterized in that: the pressure-bearing spring is in interference fit with the flow control piston; the sealing ring is sleeved between the periphery of the flow control piston and the upper cover.

2. A pressure regulating valve as defined in claim 1, wherein: the top end surface of the flow control piston is provided with a flow hole, and the flow control piston is matched with an upper cover to keep water flowing into a valve body cavity; the water inlet cylinder is provided with a through hole, so that water flows into the cavity through the flow hole and then flows out from the through hole to the lower cover; the height of the through hole is two thirds of that of the water inlet barrel.

3. A pressure regulating valve as defined in claim 1, wherein: the pressure-bearing spring is arranged in the water inlet cylinder, the upper end of the pressure-bearing spring is abutted against the bottom surface of the flow control piston, and the lower end of the pressure-bearing spring is abutted against the lower cover.

4. A pressure regulating valve as defined in claim 1, wherein: the pressure-bearing spring is arranged in the water inlet cylinder, the lower end of the pressure-bearing spring is connected with a limiting block in a contact manner, and the upper end of the pressure-bearing spring is abutted against the bottom surface of the flow control piston.

5. A pressure regulating valve as defined in claim 1, wherein: the pressure-bearing spring is sleeved outside the water inlet cylinder, the upper end of the pressure-bearing spring is abutted against the bottom surface of the flow control piston, and the lower end of the pressure-bearing spring is abutted against the lower cover.

6. A pressure regulating valve as defined in claim 1, wherein: the upper cover can also be provided to comprise an upper cover top and an upper cover body; the lower cover can also be arranged in a groove shape; the lower cover is clamped outside the upper cover body, and the flow control piston and the water inlet cylinder are arranged in the valve cavity.

7. The pressure regulating valve as set forth in claim 6, wherein: the pressure-bearing spring is sleeved outside the upper cover body, the upper end of the pressure-bearing spring is abutted against the top and bottom surfaces of the upper cover, and the lower end of the pressure-bearing spring is abutted against the top surface of the lower cover or the inner bottom surface of the groove.

8. A pressure regulating valve as defined in claim 1, wherein: the top surface of the upper cover is provided with a water inlet hole, and the bottom surface of the lower cover is provided with a water outlet hole; the upper cover is clamped with the lower cover.