CN220956981U

CN220956981U - Multifunctional valve

Info

Publication number: CN220956981U
Application number: CN202322785623.1U
Authority: CN
Inventors: 赵江; 张见堂
Original assignee: Zhejiang Huayi Precision Machinery Co ltd
Current assignee: Zhejiang Huayi Precision Machinery Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-05-14
Anticipated expiration: 2033-10-17

Abstract

The utility model belongs to the technical field of valves, and particularly relates to a multifunctional valve which comprises a valve body with a first valve section and a second valve section, wherein the first valve section is coupled with a port of a discharge port in a pipeline system, and the second valve section is in clearance fit with the inner peripheral wall of the port; an inner flow passage is formed in the first valve section and the second valve section, a side hole is formed in the side wall of the second valve section, a pressure relief mechanism is arranged in the second valve section, and the pressure relief mechanism is elastically abutted against one end, close to the discharge port, of the second valve section so as to intercept the inner flow passage; the first valve section may be coupled between an axial first position to a second position of the interface. When the first valve section is coupled to the first position, a first fluid channel is formed between the second valve section and the inner wall of the interface; when the first valve section is coupled to the second position, the second valve section cuts off the first fluid channel, and after the pressure release mechanism is pushed by the medium flowing out of the discharge port, a second fluid channel is formed between the inner wall of the second valve section and the pressure release mechanism. The multifunctional valve has the effects of multifunction integration and multiple functions.

Description

Multifunctional valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a multifunctional valve.

Background

A piping system is a system for transporting a medium, and mainly includes piping, valves, connectors, and the like.

In the related art, in order to ensure stable operation of a piping system, functional valves are often provided in the piping system. Such as: in order to remove accumulated water, impurities, gas or other waste in the system, a drainage/air valve is arranged in the pipeline system; such as: in order to ensure the safe operation of the system and prevent the generation of excessive pressure in the pipe, a pressure release valve is arranged in the pipeline system. The functions and the styles of the valve are various and all need to be selected according to the actual requirements of the pipeline system.

Correspondingly, it is often necessary in piping systems to provide corresponding interfaces for these functional valves. However, the arrangement of a large number of interfaces not only increases the difficulty of construction and maintenance of the pipeline system, but also increases the leakage risk of the pipeline system. In order to meet the various demands of the pipeline system, the scheme of setting corresponding functional valves one by one greatly improves the complexity of the pipeline system, and the compatibility of various valves and pipelines is also a great difficulty. Therefore, how to integrate multiple functions into one valve to realize multiple functions is a current urgent need for research and improvement.

Disclosure of utility model

In order to solve the problem of single valve function, the utility model provides a multifunctional valve.

The utility model provides a multifunctional valve, which adopts the following technical scheme:

The multifunctional valve comprises a valve body, wherein the valve body comprises a first valve section and a second valve section which are coaxially connected, and after the first valve section is adaptively coupled with a port of a discharge port in a pipeline system, the second valve section is arranged in the port and is in clearance fit with the inner peripheral wall of the port; the first valve section and the second valve section are communicated axially to form an inner flow passage, a pressure release mechanism is arranged in the second valve section and is elastically abutted against one end of the second valve section, which is close to the discharge port, so as to intercept the inner flow passage, and the first valve section can be coupled between a first axial position and a second axial position of the interface; when the first valve section is coupled to the first position of the interface, a first fluid channel communicated with the discharge port is formed between the second valve section and the inner wall of the interface, and a side hole communicated with the inner flow channel and the first fluid channel is formed in the side wall of the second valve section; when the first valve section is coupled to the second position of the interface, the second valve section cuts off the first fluid channel, and the pressure release mechanism can move towards the first valve section after being pushed by the medium flowing out of the discharge port, and a second fluid channel communicated to the discharge port is formed between the inner wall of the second valve section and the pressure release mechanism.

Through adopting above-mentioned technical scheme, when first valve section was adjusted to the first position, the medium can be through the clearance between second valve section and the interface inner wall by side opening circulation to first valve section and discharge for multifunctional valve uses as drain valve or discharge valve, reaches excretory function. When the first valve section is adjusted to the second position, the multifunctional valve is used as a pressure relief valve in the pipeline system to protect the pipeline system from explosion and leakage.

As a further preferred aspect, the pressure release mechanism includes a pressure release core, an outer diameter of the pressure release core is smaller than an inner diameter of the second valve section, one end of the second valve section away from the first valve section is contracted inwards to form a sealing ring, and the pressure release core can be elastically pushed to abut against the sealing ring.

By adopting the technical scheme, in the use process, the pressure release core can be subjected to elastic force and pressure action of medium in the system to carry out position adjustment; when the impact force of the medium flowing out of the discharge port of the pipeline system does not exceed the elastic force, the pressure release core and the sealing ring in the inner flow passage form a seal; when the pressure of the pipe system exceeds the elastic force, the inner flow passage is opened, and the excessive pressure is released through the inner flow passage, so that the pressure of the pipe system is kept within a safe range.

As a further preferred aspect, the pressure release core includes a pressure release seat and a blocking piece, both of which are in clearance fit with the inner wall of the interface, the blocking piece is connected with the pressure release seat, and the blocking piece faces the sealing ring.

By adopting the technical scheme, when the multifunctional valve is closed, the sealing piece can be tightly attached to the sealing ring to form effective sealing, so that the medium is prevented from flowing back or leaking; in addition, the blocking piece can alleviate the impact and vibration of medium to a certain extent, reduces the damage to valve and pipeline.

As a further preferable mode, an elastic piece is arranged on the upper side of the pressure relief mechanism, a compression ring is arranged in the first valve section, and two ends of the elastic piece respectively prop against the compression ring and the pressure relief mechanism.

Through adopting above-mentioned technical scheme, the clamping ring that sets up can provide stable installation basis for the installation of elastic component, and the elastic component of being convenient for provides stable elastic thrust for pressure release mechanism.

As a further preferred feature, the pressure ring is axially screwed to the inner wall of the first valve section.

Through adopting above-mentioned technical scheme, the staff can carry out displacement adjustment to the clamping ring according to the demand to realize the thrust size adjustment that the elastic component provided pressure release mechanism.

As a further preferred aspect, the pressing ring is provided with a toggle structure for adjusting the position of the pressing ring along the axial direction of the first valve section.

Through adopting above-mentioned technical scheme, the stirring structure of setting can be convenient for the staff to adjust the clamping ring position, realizes the adjustment of elastic component compression degree.

As a further preferred feature, the second valve section has an elastomeric seal attached thereto that forms an elastomeric seal between the second valve section surface and the interface inner wall when the first valve section is coupled to the first position of the interface.

Through adopting above-mentioned technical scheme, elastic sealing spare has better elasticity and resilience ability, and when multifunctional valve closed, elastic sealing spare can closely laminate the inner wall of discharge port, forms effectual seal, prevents that the medium from flowing backwards or leaking.

As a further preferred feature, the first valve section is axially threadedly connected to the port, the first valve section being axially helically adjustable along the port between the first position and the second position.

Through adopting above-mentioned technical scheme, first valve section and interface inner wall threaded connection to first valve section carries out position adjustment along the first position and the second position that the axial is in the interface, easy operation, convenient.

As a further preferred feature, the second valve section is provided with a chamfer at an end thereof remote from the first valve section, and the resilient seal is provided on an upper side of the chamfer.

Through adopting above-mentioned technical scheme, on the one hand, the chamfer structure of setting can be convenient for the tip of second valve section go deep into the interface, reduces resistance and friction in the installation, makes the connection process more smooth and easy, improves the installation effectiveness and the convenience of multi-functional valve. On the other hand, the chamfer structure enables the elastic sealing piece on the second valve section to be fully attached to the transition part of the interface and the discharge port, so that stable sealing is formed between the second valve section and the interface.

As a further preferred aspect, a connecting ring for loading the extension member is connected to the peripheral side of the end head of the first valve section remote from the second valve section.

Through adopting above-mentioned technical scheme, the go-between that sets up can be convenient for first valve section and outside flexible hose or connect etc. outer extension member carry out socket joint to multi-functional valve is discharged the medium through extension member water conservancy diversion.

In summary, the utility model at least comprises the following beneficial technical effects:

1. When the first valve section is adjusted to be at the first position, the medium can flow to the first valve section from the side hole through the gap between the second valve section and the inner wall of the connector and is discharged, so that the multifunctional valve is used as a drain valve or an exhaust valve, and the function of draining is achieved. When the first valve section is adjusted to the second position, the multifunctional valve is used as a pressure relief valve in the pipeline system to protect the pipeline system from explosion and leakage.

2. The pressure release core that sets up can carry out the position control under the elasticity effect of elastic component and system pressure effect to keep pipeline system pressure in the safe range.

3. The staff can adjust the displacement to the clamping ring in the first valve section according to the demand to realize the thrust size adjustment that the elastic component provided pressure release mechanism, realize the regulation of pressure release threshold value.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a multifunctional valve according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a multi-functional valve according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional structural view of the first valve section coupled to the first position of the port;

FIG. 4 is a schematic cross-sectional view of the first valve section coupled to the second position of the port.

The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:

1. A first valve section; 11. an external thread; 12. a compression ring; 121. a bar-shaped groove; 13. an adjusting ring; 14. a connecting ring; 2. a second valve section; 21. an elastic seal; 22. a seal ring; 23. a chamfering structure; 3. a pressure release core; 31. a pressure relief seat; 32. an elastic blocking piece; 4. an elastic member; 10. an inner flow passage; 20. a side hole; 30. an interface; 40. and a discharge port.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships that are shown based on the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices 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 connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between 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.

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a multifunctional valve.

Referring to fig. 1 to 4, the multifunctional valve comprises a valve body, the valve body comprises a first valve section 1 and a second valve section 2 which are coaxially connected, an inner flow passage 10 is formed by the first valve section 1 and the second valve section 2 in an axial penetrating way, and a side hole 20 communicated with the inner flow passage 10 is formed on the side wall of the second valve section 2. A pressure relief mechanism is arranged in the second valve section 2, and the pressure relief mechanism is elastically abutted against one end of the second valve section 2 far away from the first valve section 1 so as to intercept the inner flow passage 10. After the first valve section 1 is fittingly coupled to the port 30 of the drain 40 in the piping system, the second valve section 2 is placed in the port 30, and the first valve section 1 is coupleable between an axial first position to a second position of the port 30.

When the first valve section 1 is coupled to the first position of the port 30, a first fluid passage is formed between the second valve section 2 and the inner wall of the port 30, which is connected to the discharge port 40, and the side hole 20 is connected to the inner flow passage 10 and the first fluid passage. The medium discharged from the discharge port 40 can flow to the first valve section 1 from the side hole 20 through the first fluid passage and be discharged, so that the multifunctional valve can be used as a drain valve or an exhaust valve to achieve a draining function.

When the first valve section 1 is coupled to the second position of the interface 30, the second valve section 2 intercepts the first fluid channel, and after the pressure relief mechanism is pushed by the medium flowing out of the discharge port 40, the pressure relief mechanism can move towards the first valve section 1, and a second fluid channel communicated to the discharge port 40 is formed between the inner wall of the second valve section 2 and the pressure relief mechanism. The multifunctional valve can be used as a pressure release valve in a pipeline system to protect the pipeline system from explosion and leakage.

Further, referring to fig. 1 and 2, to facilitate quick connection of the first valve section 1 to the port 30 and displacement adjustment of the first valve section 1 between the first position and the second position of the port 30; the pressure ring 12 is axially screwed to the inner wall of the first valve section 1.

Specifically, the outer periphery of one end of the first valve section 1, which is close to the second valve section 1, is provided with an external thread 11, the inner wall of the interface 30 is provided with an internal thread which is matched with the external thread 11, and the external thread 11 of the first valve section 1 extends along the axial direction of the first valve section 1 in a spiral manner.

Further, an elastic sealing member 21 is connected to the end of the second valve section 2 remote from the first valve section 1, and as shown in fig. 2, the elastic sealing member 21 forms an elastic seal between the second valve section 2 and the discharge port 40 when the first valve section 1 is coupled to the second position of the mouthpiece 30.

Further, the second valve section 2 is provided with a chamfer structure 23 at one end far away from the first valve section 1, the elastic sealing element 21 is arranged on the upper side of the chamfer structure 23, and the chamfer structure 23 can be a round chamfer, a linear chamfer or an inclined chamfer, etc. The chamfer structure 23 is not only convenient for the end of the second valve section 2 to go deep into the interface 30, but also enables the elastic sealing element 21 on the second valve section 2 to be fully attached to the transition between the interface 30 and the discharge port 40.

Further, the pressure release mechanism comprises a pressure release core 3, and the peripheral side of the pressure release core 3 is in clearance fit with the inner peripheral wall of the inner flow passage 10. The end of the second valve section 2 far away from the first valve section 1 is contracted inwards to form a sealing ring 22, the sealing ring 22 is positioned at the end of the second valve section 2 far away from the first valve section 1, the sealing ring protrudes towards the inner side of the end of the first valve section 1, and the pressure release core 3 can be elastically pushed to abut against the sealing ring 22 so as to intercept the inner flow passage 10.

Further, referring to fig. 2, 3 and 4, the pressure release core 3 includes a pressure release seat 31 and a blocking member 32, and circumferential sides of the pressure release seat 31 and the blocking member 32 are in clearance fit with an inner circumferential wall of the mouthpiece 30. The pressure relief seat 31 is resiliently urged toward the seal ring 22, while the blocking member 32 is connected to the pressure relief seat 31 with the blocking member 32 facing the seal ring 22. Normally, the pressure release seat 31 is elastically pushed to the sealing ring 22, and the blocking member 32 abuts against the sealing ring 22, so that the sealing member 21 forms a seal between the pressure release seat 31 and the sealing ring 22. Preferably, the blocking member 32 is made of an elastic material to reduce wear with the sealing ring 22 and avoid weakening the sealing effect after long-term use.

It should be noted that, the action forms of the elastic sealing member 21 and the blocking member 32 may be selected from the sealing forms of O-shaped sealing, end face sealing, expansion sealing, and the like, and only the sealing form is required to be provided to realize stable sealing between the structures. For ease of understanding, one of the schemes is shown in the present embodiment: the elastic sealing piece 21 is an elastic O-shaped ring and is sealed by adopting an O-shape; the blocking member 32 is selected as an elastic gasket and is end-face sealed.

Further, referring to fig. 2 and 3, in the present embodiment, an elastic member 4 is disposed on the upper side of the pressure release mechanism, a compression ring 12 is disposed on the inner wall of the first valve section 1, and two ends of the elastic member 4 respectively abut against the compression ring 12 and the pressure release mechanism. The elastic element 4 may be a spring, a spring plate, an elastic pad, or the like, and only the elastic element 4 can provide stable thrust for the pressure release mechanism, and the elastic element 4 does not block the inner flow passage 10.

Considering that in the actual use process, the condition that the pressure relief threshold value of the pressure relief mechanism needs to be adjusted exists; for this purpose, in the present embodiment, the pressure ring 12 is connected to the inner wall of the first valve section 1 by axial threads, and a toggle structure for adjusting the position of the pressure ring 12 along the axial direction of the first valve section 1 is provided on the pressure ring 12.

In this embodiment, the toggle structure is selected as a bar-shaped groove 121 formed on the end surface of the pressing ring 12. In other embodiments, the toggle structure is selected as a bar attached to the end face of the pressure ring 12. During the use, the staff can carry out the position adjustment along the axial to the clamping ring 12 in the first valve section 1 according to the demand to realize the regulation of elastic component 4 to the thrust size that pressure release mechanism provided.

As another bright point, the internal thread provided in the internal flow passage 10 can also be used as a mounting foundation of an external pipeline, and can also be used as a loading foundation of valve bodies with other functions such as a loading stop valve, a regulating valve, a check valve and the like, so that the combined valve has more expandable functions.

In other embodiments, the pressure ring 12 may be directly fixed on the inner wall of the inner flow channel 10 without considering the adjustment of the thrust, so as to save the production process and reduce the cost.

Further, in this embodiment, the outer periphery of the end of the first valve section 1 protruding out of the interface 30 is connected with an adjusting ring 13, the outer diameter of the adjusting ring 13 is larger than the caliber of the interface 30, and the adjusting ring 13 is of a polygonal structure, so that the operator can rotate the first valve section 1 conveniently.

It should be noted that the axial position of the adjusting ring 13 on the first valve section 1 may be determined according to requirements. Preferably, in this embodiment, when the adjusting ring 13 abuts against the port 30, the first valve section 1 is just adjusted to the second position of the port 30, so that the operator can accurately control the installation position of the multifunctional valve. In other embodiments, the first valve section 1 may not have an adjusting ring 13 in order to save material costs.

In addition, a plurality of connecting rings 14 are axially connected to the peripheral side of the end head of the first valve section 1 protruding from the joint 30, and the plurality of connecting rings 14 form steps on the outer surface of the first valve section 1, so that the first valve section 1 is connected with external expansion members such as external hoses, joints and the like.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The multifunctional valve is characterized by comprising a valve body, wherein the valve body comprises a first valve section (1) and a second valve section (2) which are coaxially connected, and after the first valve section (1) is in fit coupling with a port (30) of a discharge port (40) in a pipeline system, the second valve section (2) is arranged in the port (30) and is in clearance fit with the inner peripheral wall of the port (30);

The first valve section (1) and the second valve section (2) are communicated in the axial direction to form an inner flow passage (10), a pressure relief mechanism is arranged in the second valve section (2), the pressure relief mechanism is elastically abutted against one end, close to the discharge port (40), of the second valve section (2) so as to intercept the inner flow passage (10), and the first valve section (1) can be coupled between a first axial position and a second axial position of the interface (30);

When the first valve section (1) is coupled to the first position of the interface (30), a first fluid channel communicated with the discharge port (40) is formed between the second valve section (2) and the inner wall of the interface (30), and a side hole (20) communicated with the inner flow channel (10) and the first fluid channel is arranged on the side wall of the second valve section (2);

when the first valve section (1) is coupled to the second position of the interface (30), the second valve section (2) cuts off the first fluid channel, and the pressure release mechanism can move towards the first valve section (1) after being pushed by the medium flowing out of the discharge port (40), and a second fluid channel communicated to the discharge port (40) is formed between the inner wall of the second valve section (2) and the pressure release mechanism.

2. A multifunctional valve according to claim 1, characterized in that the pressure relief mechanism comprises a pressure relief core (3), the outer diameter of the pressure relief core (3) is smaller than the inner diameter of the second valve section (2), the end of the second valve section (2) away from the first valve section (1) is contracted inwards to form a sealing ring (22), the pressure relief core (3) is elastically pushed towards the sealing ring (22), and the pressure relief core (3) can be elastically pushed to abut against the sealing ring (22).

3. A multifunctional valve according to claim 2, characterized in that the pressure release core (3) comprises a pressure release seat (31) and a blocking piece (32), the pressure release seat (31) and the blocking piece (32) are in clearance fit with the inner wall of the interface (30), the blocking piece (32) is connected with the pressure release seat (31), and the blocking piece (32) faces the sealing ring (22).

4. The multifunctional valve according to claim 1, wherein an elastic piece (4) is arranged on the upper side of the pressure relief mechanism, a compression ring (12) is arranged in the first valve section (1), and two ends of the elastic piece (4) respectively abut against the compression ring (12) and the pressure relief mechanism.

5. A multi-function valve according to claim 4, wherein the pressure ring (12) is axially screwed with the inner wall of the first valve section (1).

6. A multifunctional valve according to claim 5, characterized in that the pressure ring (12) is provided with a toggle structure for adjusting the position of the pressure ring (12) in the axial direction of the first valve section (1).

7. A multifunctional valve according to claim 1, characterized in that the second valve section (2) is connected with an elastic seal (21), the elastic seal (21) forming an elastic seal between the surface of the second valve section (2) and the inner wall of the interface (30) when the first valve section (1) is coupled to the first position of the interface (30).

8. A multifunctional valve according to claim 1, characterized in that the first valve section (1) is axially screwed with the mouthpiece (30), the first valve section (1) being axially screw-adjustable along the mouthpiece (30) between the first position and the second position.

9. A multifunctional valve according to claim 7, characterized in that the end of the second valve section (2) remote from the first valve section (1) is provided with a chamfer structure (23), and the elastic sealing member (21) is arranged on the upper side of the chamfer structure (23).

10. A multifunctional valve according to claim 1, characterized in that the circumference of the end of the first valve section (1) remote from the second valve section (2) is connected with a connecting ring (14) for loading the extension member.