CN215806349U - Pneumatic reciprocating type opening ceramic disc valve - Google Patents
Pneumatic reciprocating type opening ceramic disc valve Download PDFInfo
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- CN215806349U CN215806349U CN202121199256.1U CN202121199256U CN215806349U CN 215806349 U CN215806349 U CN 215806349U CN 202121199256 U CN202121199256 U CN 202121199256U CN 215806349 U CN215806349 U CN 215806349U
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Abstract
The utility model discloses a pneumatic reciprocating type opening ceramic disk valve, which comprises a lower valve body, a ceramic sealing ring valve seat, a ceramic sealing valve clack and a cylinder, an upper valve cover is fixed at the valve port of the lower valve body, a packing chamber is fixed on the upper valve cover and penetrates through the upper valve cover, two first sealing rings are arranged between the packing chamber and the upper valve cover, a valve shaft penetrates through the packing chamber, a rocker arm is fixed at one end of the valve shaft, which is positioned at the outer side of the lower valve body, the other end of the rocker arm is hinged at the output end of the cylinder, the cylinder is hinged on the upper valve cover, the other end of the valve shaft is fixed with a swing rod, the ceramic sealing valve clack is arranged on the swing rod, the ceramic sealing valve clack is connected with the outer wall of the ceramic sealing ring valve seat in a sliding mode, and the ceramic sealing ring valve seat is annular and is inserted and connected to the periphery of a valve port of the upper valve cover in an inserting mode. The utility model has the advantages of good sealing effect and good stability.
Description
Technical Field
The utility model belongs to the technical field of ceramic disc valves, and particularly relates to a pneumatic reciprocating type opening ceramic disc valve.
Background
The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. The ceramic valve can meet the use environment of high abrasion and strong corrosion. However, the conventional ceramic disk valve has a problem of poor sealing effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a pneumatic reciprocating type opening ceramic disk valve with good sealing effect and good stability.
The technical scheme of the utility model is as follows:
a pneumatic reciprocating type opening ceramic disc valve comprises a lower valve body, a ceramic sealing ring valve seat, a ceramic sealing valve clack and an air cylinder, wherein an upper valve cover is fixed at a valve port of the lower valve body, a packing chamber is fixed on the upper valve cover and penetrates through the upper valve cover, two first sealing rings are arranged between the packing chamber and the upper valve cover, a valve shaft penetrates through the packing chamber, a rocker arm is fixed at one end, located on the outer side of the lower valve body, of the valve shaft, the other end of the rocker arm is hinged to the output end of the air cylinder, the air cylinder is hinged to the upper valve cover, a swing rod is fixed at the other end of the valve shaft, the ceramic sealing valve clack is arranged on the swing rod, the ceramic sealing valve clack is in sliding connection with the outer wall of the ceramic sealing ring valve seat, and the ceramic sealing ring valve seat is annular and is connected with a peripheral valve port of the upper valve cover in an inserting mode.
Furthermore, the packing chamber and the upper valve cover are fixed through screws, and the nut ends of the screws are positioned on the inner side of the lower valve body.
Furthermore, a pressing ring is arranged at the valve port of the lower valve body and fixed between the upper valve cover and the lower valve body.
Furthermore, the pressing ring is provided with a second sealing ring between the upper valve cover and the lower valve body.
Furthermore, an extension plate is fixed on the upper valve cover, and the air cylinder is hinged to the extension plate.
Furthermore, a connecting block is fixed at the lower end of the swing rod and is inserted into the ceramic sealing valve clack, a groove is formed in the contact surface of the connecting block and the ceramic sealing valve clack, a spring is arranged in the groove, and one end of the spring abuts against the inner wall of the groove and the ceramic sealing valve clack.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the packing chamber is arranged to seal the space between the valve shaft and the lower valve cover, the packing chamber is fixed on the lower valve cover, and the double-sealing structure is formed by adopting the two first sealing rings, so that the packing chamber is not loosened or leaked, and the sealing effect of the valve and the stability of the packing chamber are improved.
In a word, the utility model has the advantages of good sealing effect and good stability.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure, the valve comprises a lower valve body 1, a lower valve body 2, a pressing ring 3, an upper valve cover 4, a packing chamber 5, a valve shaft 6, a ceramic sealing ring valve seat 7, a ceramic sealing valve clack 8, a spring 9, a cylinder 10, a rocker arm 11, a sealing ring 12, a screw 13, a swing rod 14 and a connecting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a pneumatic reciprocating type opening ceramic disc valve comprises a lower valve body 1, a ceramic sealing ring valve seat 6, a ceramic sealing valve flap 7 and a cylinder 9, wherein an upper valve cover 3 is fixed at a valve port of the lower valve body 1; specifically, the upper valve cover 3 adopts a thickening design to prevent the deformation of the sealing surface of the upper valve cover 3, the valve body channel is in a straight-through design, and materials are not easy to accumulate in the valve cavity;
a packing chamber 4 is fixed on the upper valve cover 3, the packing chamber 4 penetrates through the upper valve cover 3, two first sealing rings 11 are arranged between the packing chamber 4 and the upper valve cover 3, the packing chamber 4 is fixed on the upper valve cover 3 to prevent the packing chamber 4 from rotating, a double sealing structure formed by combining the two first sealing rings 11 is used for preventing the packing chamber 4 from being loosened to cause leakage, the sealing effect of the valve and the stability of the packing chamber 4 are improved, and the sealing rings 11 are O-shaped sealing rings;
a valve shaft 5 penetrates through the packing chamber 4, a rocker arm 10 is fixed at one end of the valve shaft 5, which is positioned at the outer side of the lower valve body 1, the rocker arm 10 is perpendicular to the axis of the valve shaft 5, the other end of the rocker arm 10 is hinged at the output end of the cylinder 9, the cylinder 9 is hinged on the upper valve cover 3, a swing rod 13 is fixed at the other end of the valve shaft 5, the swing rod 13 is perpendicular to the axis of the valve shaft 5, the valve shaft 5 and the swing rod 13 are fixed through a bolt, the ceramic sealing valve flap 7 is arranged on the swing rod 13, the ceramic sealing valve flap 7 is connected with the outer wall of the ceramic sealing ring valve seat 6 in a sliding manner, and the ceramic sealing ring valve seat 6 is annular and is inserted and connected to the periphery of the valve port of the upper valve cover 3;
specifically, the cylinder 9 is a common cylinder with a proper stroke, the specific stroke is determined according to the swing angle of the swing rod 13 and the swing arm 10, the ceramic sealing valve clack 7 can be opened and closed, the cylinder 9 drives the swing arm 10 to drive the valve shaft 5 to rotate, the valve shaft 5 drives the swing rod 13 to swing, so that the ceramic sealing valve clack 7 swings along with the swing, the ceramic disc valve is opened or closed, the valve is opened and closed, and when the ceramic disc valve is opened, materials can directly flow out through an opening of the ceramic sealing ring valve seat 6;
specifically, ceramic seal ring valve seat 6 and ceramic seal valve clack 7 further increase sealed effect through grinding processing, can extensively use in grit wearing and tearing operating mode.
In this embodiment, the packing chamber 4 and the upper bonnet 3 are fixed by a screw 12, a nut end of the screw 12 is located on the inner side of the lower valve body 1, specifically, a wrench movement space of the screw 12 is small, the screw 12 is a socket head cap screw, a space required by a wrench is small, and therefore screwing and unscrewing are facilitated, and meanwhile, the nut end is located on the inner side of the lower valve body 1, and sealing is facilitated.
In this embodiment, a pressing ring 2 is arranged at a valve port of the lower valve body 1, the pressing ring 2 is fixed between the upper valve cover 3 and the lower valve body 1, specifically, the pressing ring 2, the upper valve cover 3 and the lower valve body 1 are fixed together by using bolts, so that the ceramic disc valve is convenient to mount and dismount, after the bolts are unscrewed, the pressing ring 2 and the upper valve cover 3 can be dismounted together, and then the screws 12 on the packing chamber 4 are unscrewed to finish dismounting, so that the ceramic disc valve is very convenient.
In this embodiment, the pressing ring 2 is provided with a second sealing ring between the upper valve cover 3 and the lower valve body 1, so that the sealing effect is further improved.
In this embodiment, an extension plate is fixed on the upper valve cover 3, and the cylinder 9 is hinged to the extension plate, so as to provide an installation space for the cylinder 9 and provide a space for the expansion of the output of the cylinder 9.
In this embodiment, a connecting block 14 is fixed at the lower end of the swing rod 13, the connecting block 14 is inserted into the ceramic seal valve flap 7, a groove is formed in a contact surface between the connecting block 14 and the ceramic seal valve flap 7, a spring 8 is arranged in the groove, one end of the spring 8 is arranged on the ceramic seal valve flap 7, the spring 8 relatively increases pressing force between the ceramic seal valve flap 7 and the ceramic seal ring valve seat 6, and the sealing effect is better.
When the valve is used, the rocker arm 10 is driven to swing by the expansion of the output end of the air cylinder 9, the rocker arm 10 drives the valve shaft 5 to rotate, the valve shaft 5 drives the swing rod 13 to swing, so that the ceramic sealing valve clack 7 swings along with the swing rod, the valve is opened and closed, the packing chamber 4 plays a sealing role between the valve shaft 5 and the upper valve cover 3, the valve shaft 5 is prevented from leaking during rotation, and meanwhile, a double sealing structure with two sealing rings 11 is arranged between the packing chamber and the upper valve cover 3 to improve the sealing effect.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A pneumatic reciprocating type opens ceramic disk valve which characterized in that: the ceramic sealing valve comprises a lower valve body, a ceramic sealing ring valve seat, a ceramic sealing valve clack and an air cylinder, wherein an upper valve cover is fixed at a valve port of the lower valve body, a packing chamber is fixed on the upper valve cover, the packing chamber penetrates through the upper valve cover, two first sealing rings are arranged between the packing chamber and the upper valve cover, a valve shaft penetrates through the packing chamber, a rocker arm is fixed at one end of the valve shaft, which is positioned at the outer side of the lower valve body, the other end of the rocker arm is hinged at the output end of the air cylinder, the air cylinder is hinged on the upper valve cover, a swinging rod is fixed at the other end of the valve shaft, the ceramic sealing valve clack is arranged on the swinging rod, the ceramic sealing valve clack is in sliding connection with the outer wall of the ceramic sealing ring valve seat, and the ceramic sealing ring valve seat is annular and is inserted at the periphery of the valve port of the upper valve cover.
2. The pneumatically reciprocating opening ceramic disc valve of claim 1, wherein: the packing chamber and the upper valve cover are fixed through screws, and the nut ends of the screws are located on the inner side of the lower valve body.
3. The pneumatically reciprocating opening ceramic disc valve of claim 1, wherein: and a pressing ring is arranged at the valve port of the lower valve body and is fixed between the upper valve cover and the lower valve body.
4. The pneumatically actuated reciprocating opening ceramic disk valve of claim 3, wherein: and second sealing rings are arranged between the pressing ring and the upper valve cover and between the pressing ring and the lower valve body.
5. The pneumatically reciprocating opening ceramic disc valve of claim 1, wherein: an extension plate is fixed on the upper valve cover, and the air cylinder is hinged to the extension plate.
6. The pneumatically reciprocating opening ceramic disc valve of claim 1, wherein: the lower end of the swing rod is fixedly provided with a connecting block, the connecting block is inserted on the ceramic seal valve clack, a groove is formed in the contact surface of the connecting block and the ceramic seal valve clack, a spring is arranged in the groove, and one end of the spring abuts against the ceramic seal valve clack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199256.1U CN215806349U (en) | 2021-05-28 | 2021-05-28 | Pneumatic reciprocating type opening ceramic disc valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199256.1U CN215806349U (en) | 2021-05-28 | 2021-05-28 | Pneumatic reciprocating type opening ceramic disc valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806349U true CN215806349U (en) | 2022-02-11 |
Family
ID=80174538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199256.1U Active CN215806349U (en) | 2021-05-28 | 2021-05-28 | Pneumatic reciprocating type opening ceramic disc valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806349U (en) |
-
2021
- 2021-05-28 CN CN202121199256.1U patent/CN215806349U/en active Active
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