CN217713758U - Good three-way valve of leakproofness - Google Patents
Good three-way valve of leakproofness Download PDFInfo
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- CN217713758U CN217713758U CN202221878349.1U CN202221878349U CN217713758U CN 217713758 U CN217713758 U CN 217713758U CN 202221878349 U CN202221878349 U CN 202221878349U CN 217713758 U CN217713758 U CN 217713758U
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Abstract
The utility model belongs to the technical field of three-way valves, in particular to a three-way valve with good sealing performance; the method comprises the following steps: the three-way valve is internally provided with a valve cavity and a valve core arranged in the valve cavity, and the valve core is internally provided with an L-shaped water through hole; the sealing piece is arranged between the valve core and the inner wall of the valve cavity and used for sealing the valve core and the inner wall of the valve cavity; the sealing element comprises a soft sealing body and a hard sealing body; the effects of good sealing and long service life are achieved.
Description
Technical Field
The utility model belongs to the technical field of the valve, especially, relate to a good three-way valve of leakproofness.
Background
The three-way valve is a control part of a fluid conveying system and has the functions of stopping, adjusting, guiding and the like. Has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and the like. The three-way valve is divided into a flow-merging valve and a flow-dividing valve according to the action mode of fluid, the flow-merging valve is provided with two inlets, and the merged flow flows out from one outlet. The diverter valve has a fluid inlet and is diverted to flow out of the two fluid outlets.
For example, patent No. CN202122138747.1 discloses an anti-static three-way ball valve, which only has a simple sealing ring for sealing, and the sealing ring can be affected by temperature under a special environment of high temperature or low temperature, or worn after long-term use, resulting in water dripping and leaking.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a good three-way valve of leakproofness, reached sealed good, long service life's effect.
In view of this, the utility model provides a good three-way valve of leakproofness includes:
the three-way valve comprises a three-way valve shell, wherein a valve cavity and a valve core arranged in the valve cavity are formed in the three-way valve shell, and an L-shaped water passing hole is formed in the valve core;
the sealing element is arranged between the valve core and the inner wall of the valve cavity and is used for sealing between the valve core and the inner wall of the valve cavity;
wherein the seal includes a soft seal body and a hard seal body.
In the technical scheme, the soft sealing body is arranged between the valve core and the inner side wall of the valve cavity and corresponds to the L-shaped water through hole, the soft sealing body performs soft sealing on a gap between the valve core and the inner side wall of the valve cavity, and the soft sealing body is easy to deform due to the soft material, so that unevenness of the surface of a sealing surface is filled, and the influence of temperature is easily received; through being provided with hard seal, hard seal plays dual sealed effect, and hard seal is difficult to receive the influence of temperature simultaneously, still can play sealed effect when soft seal receives the influence of temperature.
In the above technical solution, further, the sealing member further includes:
the disc spring gasket is arranged between the soft sealing body and the hard sealing body.
In this technical scheme, through be provided with the belleville spring gasket between soft seal body and hard seal body, the belleville spring packing ring is conical structure in the axial makes it have stronger elasticity to there is the extrusion effect that carries out the pretightning force to soft seal body.
In the above technical solution, further, the soft sealing body includes:
the first soft sealing body is arranged on one side of the valve seat, which is close to the valve core, and is made of polypropylene rubber;
the second soft sealing body is arranged on the right side of the first soft sealing body and is made of nitrile butadiene rubber.
In the technical scheme, the first soft sealing body is made of polypropylene rubber, the polypropylene rubber has corrosion resistance, damage of corrosive substances to the sealing effect of the soft sealing body is reduced, the second soft sealing body is made of butadiene-acrylonitrile rubber, and the butadiene-acrylonitrile rubber has good sealing performance and water resistance.
In the above technical solution, further, the method further includes:
the valve seat is arranged on the three-way valve shell and the inner wall of the valve cavity, and one surface far away from the inner wall of the valve cavity is abutted against the second soft sealing body;
and the extrusion gasket is arranged between the valve cavity and the three-way valve shell.
In this technical scheme, after first soft seal body and the soft seal body of second produced wearing and tearing along with long-time the use, provide the extrusion force to the laminating of case surface by the extrusion gasket for the disk seat, effectively prolong the life of three-way valve body.
In the above technical solution, further, the method further includes:
the bulge loop, the bulge loop sets up in the three-way valve casing, and plays the supporting role to the sealing member.
In the technical scheme, the convex ring is arranged to support the hard sealing body, so that the generated pre-compression force can not directly act on the valve core, and the valve core is difficult to rotate.
In the above technical solution, further, the three-way valve housing further includes:
the two pipe joints are vertically arranged on the side surface of the three-way valve shell;
the valve joint and the pipe joint are respectively arranged on the side surface of the three-way valve shell;
and the sealing ring is arranged at the joint of the three-way valve shell and the valve joint.
In this technical scheme, through be provided with the graphite sealing ring at three-way valve body and valve joint junction, play sealed effect to three-way valve body and valve joint junction.
In the above technical solution, further, the method further includes:
a valve stem disposed within the three-way valve housing and configured to rotate the valve cartridge;
the handle, the handle setting is external at the tee bend valve casing and is connected with the valve rod.
In this technical scheme, through setting up handle and valve rod, thereby handle control valve rod drives the case and rotates, makes being linked together of different runners in the case of case control three-way valve.
In the above technical solution, further, the method further includes:
and the two sealing rings are arranged on the connecting surface of the valve rod and the three-way valve shell.
In this technical scheme, through be provided with two sealing washers on the face of being connected of valve rod and three-way valve casing, play sealed effect to the face of being connected of valve rod and three-way valve casing.
The beneficial effects of the utility model are that:
1. through being provided with first soft seal body, the soft seal body of second and sealed piece firmly, can play soft sealed and sealed double seal effect firmly to three-way valve body and case, play pretension extrusion effect through setting up belleville spring gasket and extrusion gasket, when first soft seal body and the soft seal body of second are because long-time the use produces when wearing and tearing, still can guarantee the leakproofness to the life of extension tee bend valve body.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of the utility model at a in fig. 1;
fig. 3 is an isometric view of the present invention;
the labels in the figures are: 1-three-way valve shell, 101-valve joint, 103-valve core, 104-valve seat, 105-first soft sealing body, 106-second soft sealing body, 107-hard sealing body, 2-disc spring gasket, 202-extrusion gasket, 203-convex ring, 204-valve cavity, 205-sealing ring, 206-valve rod, 207-handle, 208-first channel, 209-second channel, 210-third channel, 3-sealing ring, and 301-pipe joint 4-water through hole.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.
Example 1:
this embodiment provides a good three-way valve of leakproofness, includes:
the three-way valve comprises a three-way valve shell 1, wherein a valve cavity 204 and a valve core 103 arranged in the valve cavity 204 are arranged in the three-way valve shell 1, and an L-shaped water through hole 4 is arranged in the valve core 103;
the sealing element is arranged between the valve core 103 and the inner wall of the valve cavity 204 and corresponds to the water through hole 4;
wherein the seal comprises a soft seal body and a hard seal body 107;
therein, the three-way valve housing 1 comprises a first channel 208, a second channel 209 and a third channel 210.
In the embodiment, when fluid enters from the first channel 208 of the three-way valve housing 1, the fluid can flow out from the second channel 209 or flow out from the third channel 210 through the control of the valve core 103 in the three-way valve housing 1, the sealing element is arranged to prevent the fluid from flowing out from the gap between the valve core 103 and the three-way valve housing 1, the sealing element has a sealing effect on the three-way valve housing 1, and the soft sealing body is easily deformed due to the soft material, fills up the unevenness of the surface of the sealing surface and is easily influenced by temperature; by arranging the hard sealing block, the hard sealing block plays a role in double sealing, meanwhile, the hard sealing is not easily influenced by temperature, and the hard sealing block can still play a role in sealing when the first soft sealing body 105 and the second soft sealing body 106 are influenced by temperature; the three-way valve shell 1 adopts a soft sealing and hard sealing double sealing mode to ensure the sealing performance of the three-way valve shell 1.
Example 2:
the present embodiment provides a three-way valve with good sealing performance, which includes the technical features of the above embodiments, and the sealing member further includes:
a belleville washer 2, the belleville washer 2 being disposed between the soft and hard seal bodies 107.
This embodiment can be seen out, through be provided with belleville spring gasket 2 between soft seal body and hard seal body 107, play the squeezing action to soft seal body, can increase the conflict leakproofness between soft seal body and the case 103, when soft seal body wearing and tearing, the belleville spring video disc can carry out clearance compensation through the elastic force of self, plays sealed effect to it is long when the extension is sealed, simple structure, but effectual.
Example 3:
the present embodiment provides a three-way valve with good sealing performance, which includes the technical features of the above embodiments, and the soft sealing body includes:
the first soft sealing body 105 is arranged on one side, close to the valve core 103, of the valve seat 104, and the first soft sealing body 105 is made of polypropylene rubber;
and the second soft sealing body 106 is arranged on the right side of the first soft sealing body 105, and the second soft sealing body 106 is made of nitrile rubber.
In the embodiment, the first sealing body is made of polypropylene rubber, and the polypropylene rubber has heat resistance, corrosion resistance, inertness to most corrosive materials, stability to water and good formability; the second sealing body is made of a butadiene-acrylonitrile rubber material, the butadiene-acrylonitrile rubber has good water resistance, oil resistance, wear resistance and heat resistance, the sealing performance of the soft sealing to the three-way valve shell 1 is guaranteed, and the influence of corrosive substances on the sealing effect of the soft sealing is reduced.
Example 4:
the present embodiment provides a three-way valve with good sealing performance, which includes the following technical features in addition to the technical solutions of the above embodiments, and further includes:
the valve seat 104 is arranged on the three-way valve shell 1 and the inner wall of the valve cavity 204, and one surface, far away from the inner wall of the valve cavity 204, of the valve seat 104 is abutted against the second soft sealing body 106;
a gasket 202 is pressed, and the gasket 202 is disposed between the valve chamber 204 and the three-way valve housing 1.
It can be seen from this embodiment that, after the first soft sealing body 105 and the second soft sealing body 106 are worn away along with long-term use, the extrusion gasket 202 can provide compensation pressure for the valve seat 104 to be attached to the valve plug 103, and further performs an extrusion function on the first soft sealing body 105 and the second soft sealing body 106, thereby effectively prolonging the service life of the three-way valve housing 1.
Example 5:
the present embodiment provides a three-way valve with good sealing performance, which includes the following technical features in addition to the technical solutions of the above embodiments, and further includes:
and the convex ring 203 is arranged in the three-way valve shell 1, and the convex ring 203 plays a role in supporting a sealing piece.
Wherein the collar 203 is formed integrally with the three-way valve housing 1.
In this embodiment, it can be seen that, by providing the convex ring 203 integrally formed with the three-way valve housing 1, one side of the convex ring 203 abuts against and is connected to the hard sealing body 107, so as to support the hard sealing body 107, and at the same time, the pre-compression force generated by the pressing gasket 202 and the disc spring gasket 2 is not directly applied to the valve element 103, so that the rotation of the valve element 103 becomes difficult.
Example 6:
the present embodiment provides a three-way valve with good sealing performance, which includes the following technical features in addition to the technical solutions of the above embodiments, and the three-way valve housing 1 further includes:
the pipe joints 301 are arranged on the side face of the three-way valve shell 1, and the number of the pipe joints 301 is two;
the valve joint 101, the valve joint 101 and the pipe joint 301 are respectively arranged on the side surface of the three-way valve shell 1;
and a seal ring 205, the seal ring 205 being provided at a junction of the three-way valve housing 1 and the valve joint.
Wherein, the valve joint and the three-way valve shell 1 adopt threaded connection.
This embodiment can be seen from, through be provided with sealing ring 205 at three way valve casing 1 and valve joint junction, sealing ring 205 adopts the graphite material, and graphite has good thermal stability, self-lubricity and chemical stability, and the pliability is good, the coefficient of resilience is high, has good corrosion resistance, can provide effectual sealed effect, prevents to produce from three way valve casing 1 and valve joint junction and reveals, and simultaneously, the valve joint 101 of setting is convenient for the installation of case 103 in the valve chamber 204.
Example 7:
the present embodiment provides a three-way valve with good sealing performance, which includes the following technical features in addition to the technical solutions of the above embodiments, and further includes:
a valve rod 206, the valve rod 206 is arranged in the three-way valve shell 1 and is used for rotating the valve core 103;
and a handle 207, wherein the handle 207 is arranged outside the three-way valve shell 1 and is connected with the valve rod 206.
In this embodiment, it can be seen that, by arranging the handle 207 and the valve rod 206, the handle 207 controls the valve rod 206 to drive the valve element 103 to rotate, so that the valve element 103 controls the communication of different flow passages in the three-way valve housing 1.
Example 8:
the present embodiment provides a three-way valve with good sealing performance, which includes the following technical features in addition to the technical solutions of the above embodiments, and further includes:
and two sealing rings 3 and 3 are arranged on the connecting surface of the valve rod 206 and the three-way valve shell 1.
In this embodiment, it can be seen that the two sealing rings 3 are disposed on the connection surface between the valve stem 206 and the three-way valve housing 1, so as to seal the connection surface between the valve stem 206 and the three-way valve housing 1.
While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present application as claimed.
Claims (8)
1. A three-way valve with good sealing performance is characterized by comprising:
the three-way valve comprises a three-way valve shell (1), wherein a valve cavity (204) and a valve core (103) installed in the valve cavity (204) are arranged in the three-way valve shell (1), and an L-shaped water passing hole is formed in the valve core (103);
the sealing element is arranged between the valve core (103) and the inner wall of the valve cavity (204) and is used for sealing the valve core and the inner wall of the valve cavity;
wherein the seal includes a soft seal body and a hard seal body (107).
2. A good seal, three-way valve according to claim 1, wherein the seal further comprises:
a disc spring shim (2), the disc spring shim (2) being disposed between the soft seal body and the hard seal body (107).
3. A good seal, three-way valve according to claim 2 wherein the soft seal comprises:
the first soft sealing body (105), the first soft sealing body (105) is arranged on one side, close to the valve core (103), of the valve seat (104) and is made of polypropylene rubber;
and the second soft sealing body (106), wherein the second soft sealing body (106) is arranged on the right side of the first soft sealing body (105) and is made of a nitrile rubber material.
4. A three-way valve with good sealing performance according to claim 3, further comprising:
the valve seat (104) is arranged on the three-way valve shell (1) and the inner wall of the valve cavity (204), and one surface far away from the inner wall of the valve cavity (204) is abutted to the second soft sealing body (106);
a compression gasket (202), the compression gasket (202) being arranged between the valve chamber (204) and the three-way valve housing (1).
5. A three-way valve with good sealing performance according to claim 4, further comprising:
and the convex ring (203), wherein the convex ring (203) is arranged in the three-way valve shell (1) and plays a role in supporting the sealing piece.
6. A three-way valve with good sealing according to claim 1, characterized in that the three-way valve housing (1) further comprises:
the three-way valve comprises two pipe joints (301), wherein the two pipe joints (301) are vertically arranged on the side surface of a three-way valve shell (1);
the valve joint (101), the valve joint (101) and the pipe joint (301) are respectively arranged on the side surface of the three-way valve shell (1);
and the sealing ring (205), wherein the sealing ring (205) is arranged at the joint of the three-way valve shell (1) and the valve joint (101).
7. A three-way valve with good sealing performance according to claim 1, further comprising:
a valve stem (206), the valve stem (206) being disposed within the three-way valve housing (1) and being for rotating the valve spool (103);
and the handle (207) is arranged outside the three-way valve shell (1) and is connected with the valve rod (206).
8. A three-way valve with good sealing performance according to claim 7, further comprising:
and the sealing ring (3) is provided with two sealing rings which are arranged on the connecting surface of the valve rod (206) and the three-way valve shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221878349.1U CN217713758U (en) | 2022-07-20 | 2022-07-20 | Good three-way valve of leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221878349.1U CN217713758U (en) | 2022-07-20 | 2022-07-20 | Good three-way valve of leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713758U true CN217713758U (en) | 2022-11-01 |
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ID=83779459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221878349.1U Active CN217713758U (en) | 2022-07-20 | 2022-07-20 | Good three-way valve of leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713758U (en) |
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2022
- 2022-07-20 CN CN202221878349.1U patent/CN217713758U/en active Active
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