CN220060539U

CN220060539U - Pulse angle valve

Info

Publication number: CN220060539U
Application number: CN202321668353.XU
Authority: CN
Inventors: 涂楠; 张葱; 何庆伟
Original assignee: Neway Valve Suzhou Co Ltd
Current assignee: Neway Valve Suzhou Co Ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-21
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a pulse angle valve, which comprises a valve body, a valve cover, a valve rod and a sealing assembly, wherein the valve body is provided with a flow channel cavity, and a communication port is arranged in the flow channel cavity; a valve stem and valve cap sliding arrangement; the sealing component is arranged on the valve rod and comprises a connecting body and a sealing element, the connecting body is arranged on the sealing element in a covering mode, and the sealing element is detachably connected to one side, facing the communication port, of the connecting body. When the medium circulates in the flow channel cavity, the connecting body is covered on the sealing element, the sealing element is shielded by the connecting body, so that the scouring action of the flow of the medium on the sealing element is reduced, the valve rod and the valve cover are arranged in a sliding manner, the sealing assembly is driven by the valve rod to approach or depart from the communication port, and the valve cover slides to limit the movement of the valve rod and the sealing element. The utility model has the advantages of ensuring the sealing capability of the valve, prolonging the service life of the valve and having good movement stability.

Description

Pulse angle valve

Technical Field

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

Background

Pulse angle valves, typically used on filter tips, use intermittent switching to create gas pulses, a valve product that blows dust off the filter cartridge. The inlet and outlet of the valve are 90 degrees, which is an angle valve, the valve core of the valve moves up and down, the valve core is sealed with the valve seat downwards, the valve core is lifted upwards, the valve core is separated from the valve seat, and the medium can flow from the front of the valve to the back of the valve. Because of the special working condition requirement, the valve needs to be opened and fast in response, and the switching action frequency is high.

At present, a pulse angle valve is mainly made of a soft valve seat made of plastic, and the soft valve seat is arranged on a valve rod; when the valve works, medium circulates in the valve flow channel, the flow of the medium can scour the soft valve seat, so that the sealing capacity of the valve is reduced, and the opening and closing of the pulse angle valve high-frequency word can cause the vibration of the soft valve seat, so that the stability and the sealing capacity of the valve are influenced, and the service life of the whole valve is easily reduced.

Disclosure of Invention

The utility model aims to solve or at least partially solve the technical problems that in the related technology, the flow of a medium can scour the traditional soft valve seat, so that the sealing capability of the valve is reduced, the opening and closing of a pulse angle valve high-frequency word can cause the vibration of the soft valve seat, the stability and the sealing capability of the valve are poor, and the service life of the whole valve is reduced.

The utility model provides a pulse angle valve, comprising:

the valve body is provided with a flow passage cavity, and a communication port is arranged in the flow passage cavity;

the valve cover is detachably arranged on the valve body;

a valve stem, and the valve cap are slidably disposed;

and the sealing component is installed on the valve rod and comprises a connecting body and a sealing element, wherein the connecting body is arranged on the sealing element in a covering mode, and the sealing element is detachably connected to one side, facing the communication port, of the connecting body.

Optionally, the connection body is provided with a revolving body structure, the sealing element is provided with an annular structure, and the sealing element is sleeved on the connection body.

Optionally, the connecting body is provided with a mounting groove, the mounting groove is formed on one side, far away from the valve rod, of the connecting body, and the mounting groove and the sealing piece are correspondingly arranged in a conformal manner.

Optionally, the sealing assembly further comprises a locking piece and a limiting plate, wherein the locking end of the locking piece penetrates through the limiting plate to be connected with the connecting body, a plurality of locking pieces are arranged, and the locking pieces are annularly distributed and connected with the connecting body; the sealing piece is provided with a limiting groove, and the limiting plate is accommodated and arranged in the limiting groove.

Optionally, an assembling cavity and a guiding structure are arranged on the valve cover, the assembling cavity penetrates through the valve cover, and the guiding structure is arranged at one end of the valve cover, which is close to the communication port; the guide structure and the valve rod are arranged in a sliding manner.

Optionally, a first limiting surface is configured on the guide structure, the first limiting surface is set to be a plane, and the first limiting surface is in conformal sliding fit with the valve rod; and/or

The guide structure is provided with a second limiting surface, the second limiting surface is an arc-shaped surface, and the second limiting surface is in conformal sliding fit with the valve rod.

Optionally, the pulse angle valve further comprises a buffer piece, wherein the buffer piece is arranged in the assembly cavity, and the buffer piece is sleeved on the valve rod;

be equipped with the link on the valve gap, the link with valve rod sliding connection, be equipped with the spacing end on the valve rod, seal assembly installs on the spacing end, the one end of bolster with the link is fixed to be linked to each other, the other end of bolster with the spacing end is fixed to be linked to each other.

Optionally, the pulse angle valve further comprises an actuating mechanism, wherein the actuating mechanism comprises an air cavity and a piston member, the piston member is slidably arranged in the air cavity, and the valve rod is in transmission connection with the piston member.

Optionally, the executing mechanism further comprises a mounting seat and a connecting seat, and the air cavity is formed by the enclosing structure of the mounting seat and the connecting seat;

one side of the valve cover is detachably connected with the mounting seat, and the other side of the valve cover is detachably connected with the valve body.

Optionally, the actuating mechanism further includes a first air pipe and a second air pipe, the first air pipe and the second air pipe are respectively communicated with the air cavity, and the piston member is arranged between the air port of the first air pipe and the air port of the second air pipe.

The technical scheme provided by the utility model has the following advantages:

1. the utility model provides a pulse angle valve, which has an open state and a closed state, and comprises a valve body, a valve cover, a valve rod and a sealing assembly, wherein the valve body is provided with a flow passage cavity, and a communication port is arranged in the flow passage cavity; the valve cover is detachably arranged on the valve body; a valve stem and valve cap sliding arrangement; the sealing component is arranged on the valve rod and comprises a connecting body and a sealing element, the connecting body is arranged on the sealing element in a covering mode, and the sealing element is detachably connected to one side, facing the communication port, of the connecting body.

The pulse angle valve with the structure is in a closed state, and the sealing element is in butt joint and seal with the communication port; when the pulse angle valve is in an open state and medium circulates in the flow channel cavity, the connecting body is covered on the sealing element, the sealing element is shielded by the connecting body, and the sealing element is connected to one side of the connecting body facing the communication port, so that the scouring effect of the medium flow on the sealing element is reduced, the sealing capability of the valve is guaranteed, and the service life of the valve is prolonged; the valve rod and the valve cover are arranged in a sliding mode, so that the sealing assembly is driven by the valve rod to be close to or far away from the communication port, and the valve rod and the sealing element are guided to move through the sliding limit of the valve cover, so that the stability of valve movement is improved.

2. The pulse angle valve provided by the utility model has the advantages that the connecting body is in a revolving body structure, the sealing element is in an annular structure, and the sealing element is sleeved on the connecting body.

The pulse angle valve with the structure is compact in reinforced structure, the connecting body is in a revolving body structure, the sealing element is in an annular structure, and sealing contact force distribution for medium circulation is uniform when the sealing assembly and the communication port are in butt sealing, so that reliable sealing performance of the valve is guaranteed.

3. The pulse angle valve provided by the utility model further comprises locking pieces and limiting plates, wherein the locking ends of the locking pieces penetrate through the limiting plates and are connected with the connecting body, the locking pieces are provided with a plurality of locking pieces, and the locking pieces are annularly distributed and connected with the connecting body; the sealing piece is provided with a limiting groove, and the limiting plate is accommodated in the limiting groove.

The pulse angle valve of this structure connects the locking sealing member in the one side that the connection body is close to the intercommunication mouth through retaining member and limiting plate, strengthens seal structure's joint strength, and a plurality of retaining members that connect on the connection body through annular distribution make sealing member and connection body zonulae occludens with limiting plate butt, are favorable to avoiding the too big skew that causes sealing member of medium effort, reduce the leakage of medium to guarantee the sealing capability of valve.

4. The pulse angle valve provided by the utility model is characterized in that an assembly cavity and a guide structure are arranged on a valve cover, the assembly cavity is arranged in a penetrating way through the valve cover, and the guide structure is arranged at one end of the valve cover, which is close to a communication port; the guide structure and the valve rod are arranged in a sliding way.

The pulse angle valve of this structure leads the motion of valve rod through the guide structure on the valve bonnet to the spacing direction of motion to seal assembly, guide structure sets up the one end that is close to the intercommunication mouth at the valve gap, with strengthening seal assembly and the alignment of intercommunication mouth, guarantees the sealing ability of valve.

5. The guide structure is provided with a first limiting surface, the first limiting surface is arranged to be a plane, and the first limiting surface is in conformal sliding fit with the valve rod; the guide structure is provided with a second limiting surface, the second limiting surface is arranged to be an arc-shaped surface, and the second limiting surface is in conformal sliding fit with the valve rod.

The pulse angle valve of this structure is favorable to strengthening the alignment of sealing component and intercommunication mouth through the motion of the spacing face of first spacing face and second slip direction valve rod, and first spacing face sets up to the plane to avoid the valve rod to take place the rotation, make the valve action more stable, the spacing face of second sets up to the arcwall face, makes there is great contact surface between guide structure and the valve rod, thereby guide structure can form the effective spacing to the valve rod motion.

Drawings

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

FIG. 1 is a schematic diagram of a pulse angle valve provided in an embodiment of the present utility model;

FIG. 2 is a schematic view of the valve cover and valve stem of the pulse angle valve according to the embodiment of the present utility model;

FIG. 3 is a schematic illustration of the connection of a valve stem and a seal assembly in a pulse angle valve provided in an embodiment of the present utility model;

FIG. 4 is a schematic illustration of the connection of a valve stem and a guide structure in a pulse angle valve provided in an embodiment of the present utility model;

reference numerals illustrate:

1-a valve body; 11-a communication port; 12-inlet; 13-outlet;

2-a valve cover; 21-an assembly chamber; 22-guiding structure; 221-a first limiting surface; 222-a second limiting surface; 23-connecting ends;

3-a valve stem; 31-limiting ends;

4-a seal assembly; 41-connecting a body; 42-a seal; 43-locking member; 44-limiting plates;

51-air cavity; 52-a piston member; 53-mount; 54-connecting seats; 55-a first trachea; 56-a second trachea;

6-cushioning member.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The embodiment provides a pulse angle valve, as shown in fig. 1, which comprises a valve body 1, a valve cover 2, a valve rod 3 and a sealing assembly 4, wherein the valve body 1 is provided with a flow passage cavity, and a communication port 11 is arranged in the flow passage cavity; the valve cover 2 is detachably arranged on the valve body 1; the valve rod 3 and the valve cover 2 are arranged in a sliding way; the seal assembly 4 is mounted on the valve stem 3. An inlet 12 and an outlet 13 which are communicated with the flow channel cavity are arranged on the valve body 1; the inlet 12 and the outlet 13 are respectively arranged in a through hole structure, the axial lead of the inlet 12 and the axial lead of the outlet 13 are arranged at 90 degrees, and the outlet 13 is arranged below the inlet 12 at the height position.

As shown in fig. 3, the seal assembly 4 includes a connection body 41 and a seal member 42, the connection body 41 being provided to be covered on the seal member 42, the seal member 42 being detachably connected to a side of the connection body 41 facing the communication port 11. The connection body 41 is provided with a revolving body structure, the sealing element 42 is provided with an annular structure, and the sealing element 42 is sleeved on the connection body 41. Through cup jointing sealing member 42 on connecting body 41 to reinforced structure is compact, and connecting body 41 sets up to solid of revolution structure, and sealing member 42 sets up to annular structure, is favorable to making seal assembly 4 and communication port 11 butt seal the sealing contact force distribution to the medium circulation even when sealed, guarantees the reliable sealing performance of valve.

The pulse angle valve is in an open state and a closed state, when a medium circulates in the flow channel cavity, the connecting body 41 is covered on the sealing element 42, the sealing element 42 is shielded by the connecting body 41, and the sealing element 42 is connected to one side of the connecting body 41 facing the communication port 11, so that the scouring effect of the flow of the medium on the sealing element 42 is reduced, the sealing capability of the valve is guaranteed, and the service life of the valve is prolonged; the valve rod 3 and the valve cover 2 are arranged in a sliding way, so that the sealing assembly 4 is driven by the valve rod 3 to be close to or far away from the communication port 11, and the valve rod 3 and the sealing piece 42 are guided to move in a sliding limit way through the valve cover 2, so that the stability of valve movement is improved; the pulse angle valve is in a closed state, and the sealing member 42 is in abutting sealing with the communication port 11.

In a specific embodiment, the connecting body 41 is provided with a mounting groove formed on a side of the connecting body 41 away from the valve rod 3, and the mounting groove and the sealing member 42 are correspondingly arranged in a conformal manner. The mounting groove is provided as an annular groove provided around the outer edge portion of the connection body 41.

As shown in fig. 3, the sealing assembly 4 further includes a locking member 43 and a limiting plate 44, the locking end of the locking member 43 is penetrated by the limiting plate 44 and connected with the connecting body 41, the locking member 43 is provided with a plurality of locking members, and the locking members 43 are annularly distributed and connected with the connecting body 41; the sealing member 42 is provided with a limit groove, and the limit plate 44 is accommodated in the limit groove. The locking sealing member 42 is connected to the locking member 43 and the limiting plate 44 on one side, close to the communication port 11, of the connecting body 41, the connection strength of the sealing structure is enhanced, the limiting plate 44 is abutted to the limiting sealing member 42 through the plurality of locking members 43 which are annularly distributed and connected to the connecting body 41, the sealing member 42 is tightly connected with the connecting body 41, deviation of the sealing member 42 caused by overlarge acting force of a medium is avoided, leakage of the medium is reduced, and sealing capacity of the valve is guaranteed.

As shown in fig. 2, the valve cover 2 is provided with an assembling cavity 21 and a guiding structure 22, the assembling cavity 21 is arranged through the valve cover 2, and the guiding structure 22 is arranged at one end of the valve cover 2 close to the communication port 11; the guide structure 22 and the valve stem 3 are slidably arranged. The guide structure 22 on the valve cover 2 guides the movement of the valve rod 3 so as to limit and guide the movement of the sealing assembly 4, and the guide structure 22 is arranged at one end of the valve cover 2 close to the communication port 11 so as to strengthen the alignment of the sealing assembly 4 and the communication port 11 and ensure the sealing capability of the valve.

As shown in fig. 4, the guide structure 22 is provided with a first limiting surface 221, the first limiting surface 221 is set to be a plane, and the first limiting surface 221 is in conformal sliding fit with the valve rod 3; the guide structure 22 is provided with a second limiting surface 222, the second limiting surface 222 is an arc-shaped surface, and the second limiting surface 222 is in conformal sliding fit with the valve rod 3. The first limiting surface 221 and the second limiting surface 222 slide to guide the movement of the valve rod 3, so that the alignment of the sealing assembly 4 and the communication port 11 is enhanced, the first limiting surface 221 is set to be a plane, the valve rod 3 is prevented from autorotation, the valve action is more stable, the second limiting surface 222 is set to be an arc surface, a larger contact surface is arranged between the guide structure 22 and the valve rod 3, and the guide structure 22 can effectively limit the movement of the valve rod 3.

The pulse angle valve provided by the embodiment further comprises a buffer piece 6, as shown in fig. 2, the buffer piece 6 is arranged in the assembly cavity 21, and the buffer piece 6 is sleeved on the valve rod 3; be equipped with link 23 on the valve gap 2, link 23 and valve rod 3 sliding connection are equipped with spacing end 31 on the valve rod 3, and seal assembly 4 installs on spacing end 31, and the one end and the link 23 fixed of bolster 6 link to each other, and the other end and the spacing end 31 fixed of bolster 6 link to each other. The vibration during the movement of the valve rod 3 is absorbed by the buffer 6, compensating for the thermal deformation of the absorption valve rod 3 in the axial and lateral directions. Wherein the buffer 6 may be provided as a bellows.

The pulse angle valve provided by the embodiment further comprises an actuating mechanism, as shown in fig. 1, wherein the actuating mechanism comprises an air cavity 51, a piston piece 52, a mounting seat 53 and a connecting seat 54, and the mounting seat 53 and the connecting seat 54 are enclosed to form the air cavity 51; the piston member 52 is slidably arranged in the air cavity 51, and the valve rod 3 is in transmission connection with the piston member 52; one side of the valve cover 2 is detachably connected with the mounting seat 53, and the other side of the valve cover 2 is detachably connected with the valve body 1.

Further, the actuator further includes a first air tube 55 and a second air tube 56, as shown in fig. 1, the first air tube 55 and the second air tube 56 are respectively disposed in communication with the air chamber 51, and the piston member 52 is disposed between the air port of the first air tube 55 and the air port of the second air tube 56. The first air pipe 55 is used for filling a gas medium into the air cavity 51, and the second air pipe 56 is used for pumping the gas medium out of the air cavity 51, so that the piston piece 52 slides downwards to drive the valve rod 3 and the sealing assembly 4 downwards so as to seal the communication port 11, and the pulse angle valve is in a closed state; the first air pipe 55 is used for pumping the air medium into the air cavity 51, and the second air pipe 56 is used for filling the air cavity 51 with the air medium, so that the piston piece 52 slides upwards to drive the valve rod 3 and the sealing assembly 4 to move upwards, the communication port 11 is opened, and the pulse angle valve is in an open state.

In some embodiments, two limit switches are disposed in the air cavity 51, the two limit switches are respectively disposed on the displacement path of the piston member 52, and the two limit switches are respectively connected with an external controller, and the external controller is used for controlling the inflation and the air extraction processes of the first air tube 55 and the second air tube 56 so as to act on the up-down displacement stroke of the piston member 52.

The pulse angle valve provided by the embodiment optimizes the sealing function, the guiding function and the rotation preventing function of the structure, and is beneficial to improving the sealing performance and the movement stability of the valve. Of course, it should be noted that the seal assembly 4 and the guide structure 22 provided in this embodiment may be implemented in other valve applications, and are not limited to angle valves.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A pulse angle valve, comprising:

the valve comprises a valve body (1), wherein the valve body (1) is provided with a flow passage cavity, and a communication port (11) is arranged in the flow passage cavity;

the valve cover (2) is detachably arranged on the valve body (1);

a valve stem (3), and the valve cap (2) are slidably arranged;

and the sealing component (4) is installed on the valve rod (3), the sealing component (4) comprises a connecting body (41) and a sealing piece (42), the connecting body (41) is arranged on the sealing piece (42) in a covering mode, and the sealing piece (42) is detachably connected to one side, facing the communication port (11), of the connecting body (41).

2. The pulse angle valve according to claim 1, characterized in that the connection body (41) is provided as a revolution body structure, the sealing member (42) is provided as an annular structure, and the sealing member (42) is sleeved on the connection body (41).

3. The pulse angle valve according to claim 2, characterized in that the connecting body (41) is provided with a mounting groove formed on the side of the connecting body (41) away from the valve rod (3), and the mounting groove and the sealing element (42) are arranged in a conformal corresponding manner.

4. The pulse angle valve according to claim 2, wherein the sealing assembly (4) further comprises locking pieces (43) and limiting plates (44), the locking ends of the locking pieces (43) penetrate through the limiting plates (44) to be connected with the connecting body (41), the locking pieces (43) are arranged in a plurality, and the locking pieces (43) are connected with the connecting body (41) in an annular distribution mode; the sealing piece (42) is provided with a limiting groove, and the limiting plate (44) is accommodated in the limiting groove.

5. The pulse angle valve according to claim 1, characterized in that an assembling cavity (21) and a guiding structure (22) are arranged on the valve cover (2), the assembling cavity (21) is arranged through the valve cover (2), and the guiding structure (22) is arranged at one end, close to the communication port (11), of the valve cover (2); the guide structure (22) and the valve rod (3) are arranged in a sliding way.

6. The pulse angle valve according to claim 5, characterized in that a first limiting surface (221) is arranged on the guide structure (22), the first limiting surface (221) is arranged as a plane, and the first limiting surface (221) and the valve rod (3) are in a conformal sliding fit; and/or

The guide structure (22) is provided with a second limiting surface (222), the second limiting surface (222) is an arc-shaped surface, and the second limiting surface (222) is in conformal sliding fit with the valve rod (3).

7. The pulse angle valve according to claim 5, further comprising a buffer member (6), wherein the buffer member (6) is arranged in the assembly cavity (21), and the buffer member (6) is sleeved on the valve rod (3);

be equipped with link (23) on valve gap (2), link (23) with valve rod (3) sliding connection, be equipped with spacing end (31) on valve rod (3), seal assembly (4) are installed on spacing end (31), the one end of bolster (6) with link (23) are fixed continuous, the other end of bolster (6) with spacing end (31) are fixed continuous.

8. The pulse angle valve according to any of the claims 1-7, further comprising an actuator comprising an air chamber (51) and a piston member (52), said piston member (52) being slidably arranged in said air chamber (51), said valve stem (3) being in driving connection with said piston member (52).

9. The pulse angle valve of claim 8, wherein the actuator further comprises a mounting seat (53) and a connecting seat (54), the mounting seat (53) and the connecting seat (54) enclosing a configuration to form the air cavity (51);

one side of the valve cover (2) is detachably connected with the mounting seat (53), and the other side of the valve cover (2) is detachably connected with the valve body (1).

10. The pulse angle valve according to claim 8, wherein the actuator further comprises a first air tube (55) and a second air tube (56), the first air tube (55) and the second air tube (56) being arranged in communication with the air chamber (51), respectively, the piston member (52) being arranged between the air port of the first air tube (55) and the air port of the second air tube (56).