CN212616428U - High-temperature-resistant ceramic valve - Google Patents
High-temperature-resistant ceramic valve Download PDFInfo
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- CN212616428U CN212616428U CN202021241740.1U CN202021241740U CN212616428U CN 212616428 U CN212616428 U CN 212616428U CN 202021241740 U CN202021241740 U CN 202021241740U CN 212616428 U CN212616428 U CN 212616428U
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Abstract
The utility model provides a high temperature resistant ceramic valve relates to pipeline valve technical field. Wherein, a high temperature resistant ceramic valve, includes valve body, valve rod and valve gap, the below that is located the valve gap in the valve body is provided with the valve pocket, the both sides that are located the valve pocket in the valve body are provided with the valve way with the valve pocket intercommunication, sliding connection has the flashboard in the valve pocket, the both sides that are located the flashboard in the valve way are provided with the disk seat respectively, the disk seat includes closing cap circle and ceramic seal circle, the material of closing cap circle is the metal and is used for fixing disk seat and valve body, the edge and the ceramic seal butt of its both sides wall when the flashboard is closed. The utility model has the advantages of high temperature resistance, wear resistance and ingenious structural design.
Description
Technical Field
The utility model relates to a pipeline valve technical field particularly, relates to a high temperature resistant ceramic valve.
Background
Ceramic valve among the prior art, including the valve body, be provided with flashboard and two disk seats in the valve body, the flashboard be located between two disk seats and with the leakproofness of disk seat butt in order to guarantee the valve, be fixed with the valve rod on the flashboard, when using, slide from top to bottom through valve rod drive flashboard, realize opening and shutting of whole valve.
In order to improve the heat resistance of the valve, the gate plate is made of ceramic, but the existing valve seat is made of metal, so that the hardness of the metal is low, the gate plate and the valve seat are easy to continuously rub when the valve is opened and closed, the valve seat is easy to wear, and the valve seat is easy to deform when the valve is used for conveying high-temperature fluid due to the fact that the coefficient of linear expansion of the metal is large, and therefore the service life of the valve is influenced.
In view of the above, the present inventors have invented a high temperature resistant ceramic valve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high temperature resistant ceramic valve aims at improving the problem that the disk seat is not wear-resisting, high temperature yielding in traditional valve.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a high temperature resistant ceramic valve, includes valve body, valve rod and valve gap, the below that lies in the valve gap in the valve body is provided with the valve pocket, the both sides that lie in the valve pocket in the valve body are provided with the valve way with the valve pocket intercommunication, sliding connection has the flashboard in the valve pocket, the both sides that lie in the flashboard in the valve way are provided with the disk seat respectively, the disk seat includes closing cap circle and ceramic seal circle, the material of closing cap circle is the metal and is used for fixing disk seat and valve body, the edge and the ceramic seal butt of its both sides wall when the flashboard is closed.
Further, the disk seat still includes that the material is the sealing washer lantern ring of metal, the sealing washer lantern ring cover is established in the week side of closing cap circle and is fixed with the closing cap circle, ceramic seal inlays and establishes on the inner wall of sealing washer lantern ring.
Further, the valve seat further comprises a sealing gasket, and the sealing gasket is located at the junction among the sealing cover ring, the ceramic sealing ring and the sealing ring sleeve ring.
Further, the sealing gasket is a graphite sealing gasket.
Further, the valve rod is provided with the installation piece towards the one end of flashboard, the installation piece inlays to be established in the mounting groove, the installation piece is provided with the spacing portion that is used for preventing the installation piece to break away from the mounting groove towards the one end of flashboard.
Furthermore, a hand wheel is fixed at one end, far away from the flashboard, of the valve rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through setting up ceramic seal circle, compare traditional metal hardness low wear-resisting, coefficient of linear expansion is bigger moreover, yielding under the high temperature, ceramic seal circle has high hardness, and mechanical properties is stable under the high temperature, and the small high temperature of coefficient of linear expansion is extremely little can be ignored under the high temperature, can solve the valve body and easily wear and tear, the problem of high temperature resistant not to improve the wearability and the high temperature resistance of valve, prolong the life of valve.
(2) Through design closing cap board and the sealing washer lantern ring, ingenious solution pottery can't be in the same place with the metal bonding, lead to ceramic seal to be difficult to install the problem in the valve body, structural design is ingenious.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged schematic view of a in fig. 2.
Description of the main elements
1. A valve body; 2. a valve stem; 3. a valve cover; 4. a valve cavity; 5. a valve way; 6. a shutter plate; 7. a valve seat; 71. a cover sealing ring; 72. a ceramic seal ring; 73. a sealing ring lantern ring; 74. a gasket; 8. a hand wheel; 9. mounting blocks; 10. mounting grooves; 11. a limiting part.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 1, a high temperature resistant ceramic valve, including valve body 1, valve rod 2 and valve gap 3, the below that lies in valve gap 3 in the valve body 1 is provided with valve chamber 4, and the both sides that lie in valve chamber 4 in the valve body 1 are provided with the valve way 5 with valve chamber 4 intercommunication, and sliding connection has flashboard 6 in the valve chamber 4, and the material of flashboard 6 is pottery, and the both sides that lie in flashboard 6 in the valve way 5 are provided with disk seat 7 respectively, and the one end of keeping away from flashboard 6 at valve rod 2 is fixed with hand wheel 8. When the valve is used, the valve rod 2 is rotated through the hand wheel 8, so that the valve rod 2 moves up and down to drive the flashboard 6 to slide up and down in the valve cavity 4, and the opening and closing of the whole valve are realized.
Specifically, the valve rod 2 is provided with an installation block 9 towards one end of the flashboard 6, the installation block 9 is embedded in an installation groove 10, and a limiting part 11 for preventing the installation block 9 from being separated from the installation groove 10 is arranged at one end of the installation block 9 towards the flashboard 6. Through this structure for valve rod 2 can drive flashboard 6 and move together, thereby realizes opening and shutting of valve, simple structure.
As shown in fig. 2, the valve seat 7 includes a cover ring 71, a ceramic seal ring 72, a seal ring collar 73 and a seal ring, the cover ring 71 is made of metal and is fixed to the valve body 1 by welding, the ceramic seal ring 72 is located on one side of the cover ring 71 away from the shutter 6, and edges of two side walls of the shutter 6 abut against the ceramic seal ring 72 when the shutter is closed, so as to ensure the sealing performance of the valve.
The sealing ring lantern ring 73 is made of metal and is sleeved on the periphery of the cover ring 71 and the ceramic sealing ring 72, an embedding groove is formed in the position, right facing the ceramic sealing ring 72, on the inner wall of the sealing ring lantern ring 73, the ceramic sealing ring 72 is embedded in the embedding groove, and the ceramic sealing ring 72 is convenient to install and meanwhile enables the ceramic sealing ring 72 to be installed more stably. The material of the sealing gasket 74 is a graphite sealing gasket 74 with good high temperature resistance, and the sealing gasket 74 is embedded at the junction among the sealing cover ring 71, the ceramic sealing ring 72 and the sealing ring lantern ring 73, so as to ensure the sealing performance among the three, and further ensure the sealing performance of the valve.
When the valve is installed, the sealing gasket 74 is placed between the cover plate and the ceramic sealing ring 72 and tightly presses the three, then the sealing ring lantern ring 73 is sleeved on the peripheral sides of the three, and the inner wall of the sealing ring lantern ring 73 is welded with the outer wall of the cover plate, so that the cover plate, the ceramic sealing ring 72, the sealing ring lantern ring 73 and the sealing gasket 74 are connected into a whole, the valve seat 7 is assembled, the cover plate is welded on the inner wall of the valve body 1, and the whole valve seat 7 is installed.
The utility model has the advantages as follows: compare traditional metal hardness and hang down wear-resisting, the coefficient of linear expansion is bigger moreover, and is yielding under the high temperature, and ceramic seal 72 has high hardness (HRA90), and mechanical properties is stable under the high temperature, and the small high temperature deflection of coefficient of linear expansion is minimum can be ignored to improve the wearability and the high temperature resistance of valve, the life of extension valve. Meanwhile, by designing the sealing cover plate and the sealing ring lantern ring 73, the problem that the ceramic sealing ring 72 is difficult to install in the valve body 1 due to the fact that ceramic cannot be welded with metal is solved ingeniously, and the structural design is ingenious.
To sum up, the utility model has the advantages of high temperature resistance, wear resistance and ingenious structural design.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high temperature resistant ceramic valve, its characterized in that, includes valve body (1), valve rod (2) and valve gap (3), the below that lies in valve gap (3) in valve body (1) is provided with valve pocket (4), the both sides that lie in valve pocket (4) in valve body (1) are provided with valve channel (5) with valve pocket (4) intercommunication, sliding connection has flashboard (6) in valve pocket (4), the both sides that lie in flashboard (6) in valve channel (5) are provided with disk seat (7) respectively, disk seat (7) are including closing cap circle (71) and ceramic seal circle (72), the material of closing cap circle (71) is the metal and is used for fixing disk seat (7) and valve body (1), the edge and ceramic seal circle (72) butt of its both sides wall when flashboard (6) are closed.
2. The high-temperature-resistant ceramic valve according to claim 1, wherein the valve seat (7) further comprises a sealing ring lantern ring (73) made of metal, the sealing ring lantern ring (73) is sleeved on the periphery of the cover ring (71) and fixed with the cover ring (71), and the ceramic sealing ring (72) is embedded on the inner wall of the sealing ring lantern ring (73).
3. A refractory ceramic valve as claimed in claim 2, wherein the valve seat (7) further comprises a gasket (74), the gasket (74) being located at the interface between the cover ring (71), the ceramic seal ring (72) and the seal ring collar (73).
4. A refractory ceramic valve as claimed in claim 3, characterised in that the seal (74) is a graphite seal (74).
5. The high-temperature-resistant ceramic valve is characterized in that one end, facing the gate plate (6), of the valve rod (2) is provided with a mounting block (9), the mounting block (9) is embedded in a mounting groove (10), and one end, facing the gate plate (6), of the mounting block (9) is provided with a limiting part (11) used for preventing the mounting block (9) from being separated from the mounting groove (10).
6. A refractory ceramic valve as claimed in claim 1, characterised in that a hand wheel (8) is fixed to the end of the valve stem (2) remote from the gate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241740.1U CN212616428U (en) | 2020-06-30 | 2020-06-30 | High-temperature-resistant ceramic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241740.1U CN212616428U (en) | 2020-06-30 | 2020-06-30 | High-temperature-resistant ceramic valve |
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| Publication Number | Publication Date |
|---|---|
| CN212616428U true CN212616428U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021241740.1U Active CN212616428U (en) | 2020-06-30 | 2020-06-30 | High-temperature-resistant ceramic valve |
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| Country | Link |
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| CN (1) | CN212616428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967822A (en) * | 2024-04-01 | 2024-05-03 | 江苏苏盐阀门机械有限公司 | Antitheft valve for petroleum |
-
2020
- 2020-06-30 CN CN202021241740.1U patent/CN212616428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967822A (en) * | 2024-04-01 | 2024-05-03 | 江苏苏盐阀门机械有限公司 | Antitheft valve for petroleum |
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