CN217736344U - Three-way switching valve - Google Patents
Three-way switching valve Download PDFInfo
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- CN217736344U CN217736344U CN202220883017.6U CN202220883017U CN217736344U CN 217736344 U CN217736344 U CN 217736344U CN 202220883017 U CN202220883017 U CN 202220883017U CN 217736344 U CN217736344 U CN 217736344U
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Abstract
The utility model discloses a three-way switching valve, which comprises a valve body, a valve core and a valve rod structure, wherein the valve body comprises a first pipeline, a second pipeline and a third pipeline, the first axis direction of the first pipeline is parallel to the second axis direction of the second pipeline, and the first axis direction is vertical to the axis direction of the third pipeline; the valve rod structure comprises a first valve rod and a second valve rod; the valve rod structure is driven by the actuating mechanism, so that the valve core is controlled to be in a first state, a second state and a third state respectively. The three-way switching valve with the structure has smaller resistance to circulating media and higher medium circulation efficiency, thereby improving the pipeline transportation efficiency and reducing the transportation cost.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to three-way switching valve.
Background
The three-way switching valve is a common valve type, and after a circulation medium flows into one or two pipelines of the valve, the valve rod is controlled by an actuating mechanism to drive the valve core, and then the circulation medium is divided into the other two pipelines or flows into the other one pipeline. The method is widely applied to the fields of petroleum, chemical industry, gas, military industry and the like.
The three-way switching valve with the existing structure adopts the pipelines at two coaxial sides, and the flow channel of the pipeline at the two sides entering the valve body is designed into an S-shaped structure, so as to achieve the beautiful effect.
However, the valve with the S-shaped flow channel has a complicated internal structure, and particularly when the circulating medium at the inlet and outlet sections flows through the valve along the curved flow channel, the medium is blocked by the wall surface of the flow channel during the circulation process along the curved flow channel, so that the circulation efficiency of the medium is reduced, and the benefit of the valve transportation pipeline is reduced and the cost is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the circulation medium circulation efficiency of tee bend switching valve among the prior art is lower, the problem that cost of transportation improves.
Therefore, the utility model provides a three-way switching valve, include:
the valve body comprises a first pipeline, a second pipeline and a third pipeline; the first axial direction of the first pipeline is parallel to the second axial direction of the second pipeline, and the first axial direction is vertical to the axial direction of the third pipeline;
the valve core and the valve rod structure are arranged in the valve body, and the valve core is connected with the valve rod structure; the valve core is driven by the valve rod structure to be in a first state of a first position, a second state of a second position and a third state of a third position, and the valve core is switched between the first position and the second position and the third position; in the first state, the first pipeline is communicated with the third pipeline, in the second state, the first pipeline is communicated with the second pipeline and the third pipeline, and in the third state, the first pipeline is communicated with the second pipeline.
Optionally, in the three-way switching valve, the valve rod structure includes a first valve rod and a second valve rod, and the first valve rod is adapted to be connected with the driving end of the actuator;
at least one of the first valve rod and the second valve rod is detachably connected with the valve core.
Optionally, the three-way switching valve further comprises a locking element disposed between the valve core and the first valve rod, and the locking element is fixedly connected to the valve core;
in the axial direction along the first valve rod, a yielding gap is formed between the locking piece and the first valve rod.
Optionally, the three-way switching valve further includes a valve seat structure, and the valve seat structure includes:
the first valve seat is arranged between the first pipeline and the second pipeline, and the valve core is abutted against the first valve seat when the valve core is at a first position;
and/or
The valve seat structure further comprises a second valve seat, the second valve seat is arranged between the third pipeline and the first pipeline, and when the valve core is located at the third position, the valve core is abutted to the second valve seat.
Optionally, in the three-way switching valve described above, the first valve seat includes a first thermal deformation portion, the first thermal deformation portion is an opening structure, and openings of the opening structure are close to each other when the first valve seat is heated;
and/or
The second valve seat comprises a second thermal deformation part which is an opening structure, and the openings of the opening structure are close to each other when the second valve seat is heated;
optionally, the three-way switching valve further comprises a support fixedly connected to the second valve seat, the support having a support hole and a first flow through hole; the support hole is adapted to pass the second valve stem therethrough, and the first flow through hole is adapted to flow a medium therethrough.
Optionally, in the above three-way switching valve, the support is integrally formed with the second valve seat.
Optionally, the three-way switching valve further comprises a valve cover, wherein the valve cover is mounted on the valve body and provided with a mounting hole for the first valve rod to pass through;
a thermal cycle gap is arranged between the mounting hole and the first valve rod, the valve cover is provided with a second flow through hole, and the second flow through hole is communicated with the second pipeline and the thermal cycle gap.
Optionally, the three-way switching valve further includes a guide structure, and the guide structure includes:
the first guide sleeve is arranged between the valve cover and the first valve rod and is arranged at the end part of the valve cover close to the second pipeline;
and the second guide sleeve is arranged between the support hole and the second valve rod.
Optionally, the three-way switching valve further comprises a bracket adapted to mount an actuator, and the bracket is mounted on the valve body.
The technical scheme provided by the utility model, following advantage has:
1. the utility model provides a three-way switching valve, including valve body, case and valve rod structure, the valve body includes first pipeline, second pipeline and third pipeline, wherein the first axis direction of first pipeline with the second axis direction of second pipeline sets up in parallel, the first axis direction with the axis direction of third pipeline sets up mutually perpendicularly; the valve core and the valve rod are arranged in the valve body, and the valve core is structurally connected with the valve rod; the valve core is driven by the valve rod structure to be in a first state of a first position, a second state of a second position and a third state of a third position, and the valve core is switched between the first position and the second position and the third position; in the first state, the first pipeline is communicated with the third pipeline, in the second state, the first pipeline is communicated with the second pipeline and the third pipeline, and in the third state, the first pipeline is communicated with the second pipeline.
In the three-way switching valve with the structure, a circulating medium enters the inner cavity of the valve along the linear direction through the first pipeline and flows out of the third pipeline along the straight line in a first state; similarly, in the second state, the circulating medium is divided into the second pipeline and the third pipeline, and the circulating medium flows out of the second pipeline and the third pipeline along a straight line; similarly, in the third state, the circulating medium linearly enters and flows out of the second pipeline, and the first pipeline and the second pipeline are perpendicular to the third pipeline respectively, so that the circulating medium is ensured to be input or output along a straight line in the process of entering the valve body and outputting the valve body, and the wall surface of the valve body cannot obstruct the circulation of the medium, so that the resistance of the three pipelines in the medium circulation process is reduced, the circulating efficiency of the circulating medium is improved, the benefit of the valve transportation pipeline is improved, and the transportation cost is reduced.
2. The utility model provides a three-way switching valve, still include the locking piece, set up between said valve core and said first valve rod, said locking piece and said valve core fixed connection; in an axial direction along the first valve stem, there is a clearance of yielding between the locking member and the first valve stem. The valve rod detachably connected with the valve core and the gap between the locking pieces form a yielding gap, and a certain space is reserved between the two parts of the yielding gap. Therefore, the locking piece and the valve rod cannot be clamped under the high-temperature working condition, and the valve rod can be automatically adjusted according to the movement of the valve core and keeps coaxial with the valve core in the conventional guiding process of the valve core.
3. The utility model provides a three-way switching valve, be provided with heat altered portion on the disk seat, under high temperature operational environment, the disk seat is heated the inflation, heat altered portion makes its opening be close to each other to absorbed the deformation that brings because the inflation of the disk seat that the high temperature leads to, makeed case and disk seat have good coincide, and then guarantee the good sealing performance of valve under the high temperature.
4. The utility model provides a three-way switching valve, the support mounting has avoided the direct mount on the valve gap on the valve body, and actuating mechanism's gravity passes through the support and applys on the valve gap, and under high temperature operational environment, well flange position takes place to warp, and then leads to revealing of valve. Therefore, the weight of the actuating mechanism is transferred to the valve body, and the valve body formed by casting has better strength, so that the weight of the actuating mechanism can be reliably borne, the service life of the valve is further prolonged, and the risk of leakage of the flange part in the use process is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a three-way switching valve provided in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of block A in FIG. 1;
FIG. 3 is an enlarged schematic view of a block B in FIG. 1;
FIG. 4 is an enlarged schematic view of a block C in FIG. 1;
description of reference numerals:
11-a first conduit; 12-a second conduit; 13-a third line;
21-a first valve stem; 22-a second valve stem;
3-a valve core;
4-valve seat structure; 41-a first valve seat; 411-a first heat-deformable portion; 42-a second valve seat; 421-a second thermally deformable portion;
5-a support member; 51-first flow through hole;
6-a guide structure; 61-a first guide sleeve; 62-a second guide sleeve;
7-a scaffold;
8-valve cover; 81-a second flow through hole;
9-locking element.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a three-way switching valve, including: valve body, case 3 and valve rod structure. Wherein the valve body comprises a first pipeline 11, a second pipeline 12 and a third pipeline 13; the valve core 3 and the valve rod structure are both arranged in the valve body, and the valve core 3 is connected with the valve rod structure; the valve core 3 is driven by the valve rod structure to be in a first state of a first position, a second state of a second position and a third state of a third position, and the valve core 3 is switched between the first position and the second position and the third position; in the first state the first line 11 is in communication with the third line 13, in the second state the first line 11 is in communication with the second line 12 and the third line 13, and in the third state the first line 11 is in communication with the second line 12.
Specifically, in the present embodiment, the first axial direction of the first pipeline 11 is parallel to the second axial direction of the second pipeline 12, and the first axial direction is perpendicular to the axial direction of the third pipeline 13.
In the three-way switching valve provided by the embodiment, the valve rod structure comprises a first valve rod 21 and a second valve rod 22, and the first valve rod 21 is suitable for being connected with the driving end of an actuating mechanism; the first stem 21 is detachably connected to the valve body 3, and the second stem 22 is integrally formed with the valve body 3.
The three-way switching valve provided by the embodiment further comprises a locking piece, wherein the locking piece is arranged between the valve core 3 and the first valve rod 21 and is fixedly connected with the valve core 3; in the axial direction along the first valve stem 21, the locking member has a clearance to be avoided from the first valve stem 21. The locking piece and the valve rod cannot be clamped under the high-temperature working condition, and in the conventional guiding process of the valve core 3, the valve rod can be automatically adjusted according to the movement of the valve core 3 and is axially and coaxially kept with the valve core 3.
The three-way switching valve that this embodiment provided still includes valve seat structure 4, and valve seat structure 4 includes: a first valve seat 41 and a second valve seat 42. The first valve seat 41 is arranged between the first pipeline 11 and the second pipeline 12, and when the valve core 3 is at the first position, the valve core 3 is abutted against the first valve seat 41; and a second valve seat 42, the second valve seat 42 being provided between the third pipe line 13 and the first pipe line 11, and the spool 3 abutting against the second valve seat 42 when the spool 3 is at the third position.
In the three-way switching valve provided by this embodiment, the first valve seat 41 includes the first thermal deformation portion 411, the first thermal deformation portion 411 is an opening structure, and the openings of the opening structure are close to each other when the first valve seat 41 is heated;
similarly, the second valve seat 42 includes a second thermal deformation portion 421, and the second thermal deformation portion 421 is an opening structure, and openings of the opening structure are close to each other when the second valve seat 42 is heated;
the three-way switching valve provided by the embodiment further comprises a support member 5, the support member 5 is fixedly connected with the second valve seat 42, and the support member 5 is provided with a support hole and a first flow through hole 51; the support hole is adapted to pass the second stem 22, and the first flow through hole 51 is adapted to flow a medium.
In the embodiment, the support member 5 is integrally formed with the second valve seat 42, and the integrally formed support member 5 and the second valve seat 42 are convenient for installation in practical use. As a variant of this embodiment, the support 5 and the second valve seat 42 are removably connected, for example locked to each other by screws.
In the embodiment, the valve further comprises a valve cover 8, wherein the valve cover 8 is mounted on the valve body and is provided with a mounting hole suitable for the first valve rod 21 to pass through; a thermal cycle gap is provided between the mounting hole and the first valve stem 21, and the bonnet 8 has a second flow hole 81, and the second flow hole 81 communicates the second pipe 12 and the thermal cycle gap. When the valve is in a high-temperature working environment, a high-temperature medium flows through the thermal cycle gap through the second flow through hole 81, so that the heat of the mounting hole of the valve cover 8 is circulated, the valve cover 8 is heated more uniformly, and the possibility of clamping the valve cover 8 and the first valve rod 21 is reduced.
The three-way switching valve that this embodiment provided still includes guide structure 6, and guide structure 6 includes: a first guide sleeve 61 and a second guide sleeve 62. The first guide sleeve 61 is arranged between the valve cover 8 and the first valve rod 21, and the first guide sleeve 61 is arranged at the end part of the valve cover 8 close to the second pipeline 12; second guide sleeve 62 is disposed between the support bore and second valve stem 22.
The three-way switching valve provided by the embodiment further comprises a support 7 suitable for mounting an actuating mechanism, and the support 7 is mounted on the valve body. When the support 7 is installed on the valve body, the weight of the actuating mechanism is transferred to the valve body from the valve cover 8, and the valve body formed by casting has better strength, so that the weight of the actuating mechanism can be reliably borne, the service life of the valve is further prolonged, and the risk of leakage of a flange part in the using process is reduced.
In the three-way switching valve provided by the embodiment, the circulating medium enters the inner cavity of the valve through the first pipeline 11 along the linear direction and flows out of the third pipeline 13 along the straight line in the first state; similarly, in the second state, the circulation medium is branched into the second pipeline 12 and the third pipeline 13, and the circulation medium flows out of the second pipeline 12 and the third pipeline 13 along a straight line; similarly, in the third state, the circulating medium linearly enters and flows out of the second pipeline 12, and the first pipeline 11 and the second pipeline 12 are respectively perpendicular to the third pipeline 13, so that the circulating medium is ensured to be input or output only along a straight line in the process of entering the valve body and outputting the valve body, and the wall surface of the valve body cannot obstruct the circulation of the medium, so that the resistance of the three pipelines in the medium circulation process is reduced, the circulating efficiency of the circulating medium is improved, the benefit of the valve transportation pipeline is improved, and the transportation cost is reduced.
In other alternative embodiments, the second valve rod 22 is detachably connected to the valve core 3, and the first valve rod 21 is integrally formed with the valve core 3, so that the connection of the valve rod structure to the valve core 3 can be realized.
In other alternative embodiments, the first stem 21 and the second stem 22 are both detachably connected to the valve core 3, so as to facilitate practical use and installation.
In other alternative embodiments, the connection manner of the first valve rod 21 and the second aspect and the valve core 3 may also be directly integrated by three parts, as long as it is satisfied that the first valve rod 21, the second valve rod 22 and the valve core 3 can be installed at corresponding positions in the actual installation process.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A three-way switching valve, comprising:
a valve body (1), the valve body (1) comprising a first pipeline (11), a second pipeline (12) and a third pipeline (13); the first axial direction of the first pipeline (11) is parallel to the second axial direction of the second pipeline (12), and the first axial direction is perpendicular to the axial direction of the third pipeline (13);
the valve core (3) and the valve rod structure (2) are arranged in the valve body (1), and the valve core (3) is connected with the valve rod structure (2); the valve core (3) is driven by the valve rod structure (2) to be in a first state of a first position, a second state of a second position and a third state of a third position, and the valve core (3) is switched between the first position and the second position and the third position; in the first state, the first line (11) is in communication with the third line (13), in the second state, the first line (11) and the second line (12) are in communication with the third line (13), and in the third state, the first line (11) and the second line (12) are in communication.
2. Three-way switching valve according to claim 1, wherein the valve stem arrangement (2) comprises a first valve stem (21) and a second valve stem (22), the first valve stem (21) being adapted to be connected to a drive end of an actuator;
at least one of the first valve rod and the second valve rod is detachably connected with the valve core.
3. The three-way switching valve according to claim 2,
the valve core (3) is arranged between the first valve rod (21) and the valve core (9), and the locking piece (9) is fixedly connected with the valve core (3);
in the axial direction along the first valve rod (21), there is a clearance of yielding between the locking member (9) and the first valve rod (21).
4. The three-way switching valve according to claim 3, further comprising a valve seat structure (4), the valve seat structure (4) comprising:
a first valve seat (41), the first valve seat (41) being provided between the first pipe (11) and the second pipe (12), the valve element (3) abutting against the first valve seat (41) when the valve element (3) is in the first position;
and/or
A second valve seat (42), the second valve seat (42) being disposed between the third pipeline (13) and the first pipeline (11), the valve element (3) abutting the second valve seat (42) when the valve element (3) is in the third position.
5. The three-way switching valve according to claim 4,
the first valve seat (41) comprises a first thermal deformation part (411), the first thermal deformation part (411) is of an opening structure, and openings of the opening structure are close to each other when the first valve seat (41) is heated;
and/or
The second valve seat (42) comprises a second thermal deformation part (421), and the second thermal deformation part (421) is of an opening structure, and the openings of the opening structure are close to each other when the second valve seat (42) is heated.
6. The three-way switching valve according to claim 5, further comprising a support member (5), the support member (5) being fixedly connected to the second valve seat (42), the support member (5) having a support hole and a first flow through hole (51); the support hole is adapted to the second valve stem (22) to pass through, and the first flow through hole (51) is adapted to the medium to flow through.
7. Three-way switching valve according to claim 6, wherein the support (5) is integrally formed with the second valve seat (42).
8. The three-way switching valve according to claim 7, further comprising a bonnet (8), the bonnet (8) being mounted on the valve body (1) with a mounting hole adapted for the first stem (21) to pass through;
a thermal circulation gap is arranged between the mounting hole and the first valve rod (21), the valve cover (8) is provided with a second flow through hole (81), and the second flow through hole (81) is communicated with the second pipeline (12) and the thermal circulation gap.
9. The three-way switching valve according to claim 8, further comprising a guide structure (6), the guide structure (6) comprising:
a first guide sleeve (61), wherein the first guide sleeve (61) is arranged between the valve cover (8) and the first valve rod (21), and the first guide sleeve (61) is arranged at the end part of the valve cover (8) close to the second pipeline (12);
a second guide sleeve (62), the second guide sleeve (62) disposed between the support bore and the second valve stem (22).
10. Three-way switching valve according to any one of claims 1 to 4, further comprising a bracket (7) adapted to mount an actuator, the bracket (7) being mounted on the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220883017.6U CN217736344U (en) | 2022-04-15 | 2022-04-15 | Three-way switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220883017.6U CN217736344U (en) | 2022-04-15 | 2022-04-15 | Three-way switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736344U true CN217736344U (en) | 2022-11-04 |
Family
ID=83817938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220883017.6U Active CN217736344U (en) | 2022-04-15 | 2022-04-15 | Three-way switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736344U (en) |
-
2022
- 2022-04-15 CN CN202220883017.6U patent/CN217736344U/en active Active
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