CN210106624U - Pneumatic inner plug type kettle bottom valve - Google Patents
Pneumatic inner plug type kettle bottom valve Download PDFInfo
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- CN210106624U CN210106624U CN201920423348.XU CN201920423348U CN210106624U CN 210106624 U CN210106624 U CN 210106624U CN 201920423348 U CN201920423348 U CN 201920423348U CN 210106624 U CN210106624 U CN 210106624U
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Abstract
The utility model provides a pneumatic inner plug type kettle bottom valve, which comprises a valve body, a valve seat, a valve rod, a valve core component, a valve cover and a pneumatic actuating mechanism, wherein the valve seat is arranged under the valve body, a flange is connected under the valve seat, an inclined valve cavity is arranged at one side of the valve body, a flange is arranged at a connecting port of the valve seat, an inner plug is connected at the bottom end of the valve core component, the opening and closing action between the inner plug and a central hole of the valve seat is realized, the valve core component is connected with the valve rod and is communicated with the valve cover from the upper port of the valve body, the valve rod is limited and fixed through the valve cover, the upper end of the valve rod is connected with the pneumatic actuating mechanism, the pneumatic actuating mechanism is provided with a pneumatic elastic membrane and a push rod, the pneumatic inner plug type kettle bottom valve changes the original manual hand wheel control valve rod rotating mode into an outer, the designed connecting threaded sleeve can ensure the stability of the valve rod structure, and can also integrally connect and fix the end cover and the pneumatic actuating mechanism.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to indicate a pneumatic internal plug formula cauldron bottom valve.
Background
The bottom valve is an important component of the reaction kettle, is arranged at the bottom of the reaction kettle and is used for controlling the discharge of materials in the reaction kettle. At present, a kettle bottom valve is connected with a kettle bottom outlet of a reaction kettle by a common valve, a dead angle exists between the valve and the kettle bottom outlet of the reaction kettle, materials in the valve body cannot be completely discharged, and the residual phenomenon still exists.
And the structure is complex, in the using process, the height of the plunger on the threaded shaft is not easy to control, and the plunger is easily positioned below a channel opening between the discharge port and the valve cavity, so that materials in the reaction kettle are easily accumulated above the plunger under the action of gravity, and a secondary dead angle is formed in the kettle bottom valve.
The method aims to overcome the structural defects of the traditional kettle bottom valve and improve the automatic control level so as to meet the production requirements of the modern automation industry.
Disclosure of Invention
The utility model relates to a purpose is: in view of the various types of the existing traditional kettle bottom valves, but the problem of the kettle bottom valve equipment which is automatically controlled by a pneumatic actuating mechanism is not realized, the pneumatic inner plug type kettle bottom valve is provided, the original mode that the valve core is controlled by the rotation of the manual hand wheel control valve rod is changed into the outer plug type kettle bottom valve which is automatically controlled by the pneumatic actuating mechanism, the structure is simple, the maintenance workload is small, and the equipment cost is low.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pneumatic inner plug type kettle bottom valve comprises a valve body, a valve seat, a valve rod, a valve core assembly, a valve cover and a pneumatic actuating mechanism,
a valve seat is arranged below the valve body, a flange is connected below the valve seat, the flange is fixedly connected with the valve body through a double-end stud, an inclined valve cavity is arranged at one side of the valve body, a flange is arranged at the connecting port of the valve body,
the bottom end of the valve core component is connected with an inner plug, the inner plug and the valve seat central hole are opened and closed to realize the dredging and sealing operation of the kettle bottom valve, the valve core component is connected with the valve rod and communicated with the valve cover from the upper port of the valve body, the valve rod is limited and fixed through the valve cover, the valve cover is fixedly connected with the valve body through a bolt,
the upper end of the valve rod is connected with the pneumatic actuating mechanism, the pneumatic actuating mechanism is provided with a pneumatic elastic diaphragm and a push rod, thrust is applied to the pneumatic elastic diaphragm by means of high-pressure gas input from the air compressor, the push rod is further pulled to enable the valve rod to generate corresponding vertical displacement, the opening degree of the valve core assembly is changed, and automatic control adjustment is achieved.
Furthermore, gaskets are arranged between the valve body and the valve seat and between the valve seat and the flange.
Furthermore, a stuffing box is arranged between the valve cover and the valve body, and the stuffing box is pressed by a pressing plate arranged in an inner cavity of the valve cover.
Furthermore, a connecting threaded sleeve is arranged between the pneumatic actuating mechanism and the valve cover, the lower part of the connecting threaded sleeve is in threaded connection with the valve cover, the periphery of the upper end of the connecting threaded sleeve is fixedly connected with a nut in a threaded manner, and a support of the pneumatic actuating mechanism is clamped between the nut and the valve cover.
Furthermore, the connecting threaded sleeve is provided with a central hole, and the valve rod is sleeved and limited, so that the valve rod is not displaced and twisted in the horizontal direction.
Further, a through hole is formed in the center of the valve seat, and the diameter of the through hole is slightly smaller than that of the valve core assembly.
Implement the utility model discloses a pneumatic internal plug formula cauldron bottom valve has following beneficial effect:
this pneumatic internal plug formula cauldron bottom valve changes the mode that original hand wheel control valve rod rotating controlled the case switching into the cauldron bottom valve of pneumatic actuator automatic control's outer stopper case formula to simple structure, maintenance work load are little, and equipment cost expense is low, and the connection swivel nut of design both can guarantee the stability of valve rod structure, and it is fixed also to make valve gap and pneumatic actuator both an organic whole connect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a pneumatic internal plug type kettle bottom valve in the embodiment;
the valve core assembly comprises a valve core assembly 1, a flange 2, a gasket 3, a valve seat 4, a through hole 41, a valve body 5, a connecting port 51, a valve cover 6, a pressing plate 7, a connecting threaded sleeve 8, a packing box 9, a nut 10, a push rod 11, a pneumatic actuator 12 and a valve rod 13.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in FIG. 1, the utility model provides a pneumatic internal plug type kettle bottom valve, which comprises a valve body 5, a valve seat 4, a valve rod 13, a valve core component 1, a valve cover 6 and a pneumatic actuator 12.
Specifically, a valve seat 4 is arranged below the valve body 5, a flange 5 is connected below the valve seat 4, the flange 5 is fixedly connected with the valve body 5 through a stud, an inclined valve cavity is arranged on one side of the valve body 5, a flange is arranged at a connecting port 51, an inner plug is connected to the bottom end of the valve core assembly 1, the inner plug is opened and closed with a central hole of the valve seat 4, namely, the dredging and sealing operation of the kettle bottom valve is realized, the valve core assembly 1 is connected with a valve rod 13 and is communicated with the valve cover 6 from an upper port of the valve body 5, the valve rod 13 is limited and fixed through the valve cover 6, the valve cover 6 is fixedly connected with the valve body 5 through a bolt, the upper end of the valve rod 13 is connected with a pneumatic actuating mechanism 12, the pneumatic actuating mechanism 12 is provided with a pneumatic elastic membrane and a push rod 11, and thrust is applied to the pneumatic elastic membrane, and further, the push rod 11 is pulled to enable the valve rod 13 to generate corresponding up-and-down displacement, the opening degree of the valve core assembly 1 is changed, and automatic control adjustment is achieved.
In a further embodiment, in order to ensure the tightness of the valve body 5, gaskets 3 are arranged between the valve body 5 and the valve seat 4 and between the valve seat 4 and the flange 2.
In order to ensure the structural tightness between the valve rod 13 and the valve cover 6 and between the valve body 5, a stuffing box 9 is arranged between the valve cover 6 and the valve body 5, and the stuffing box 9 is pressed by a pressing plate 7 arranged in the inner cavity of the valve cover.
In a further embodiment, in order to ensure the up-and-down movement stability of the valve rod 13, a connecting threaded sleeve 8 is arranged between the pneumatic actuator 12 and the valve cover 6, the lower part of the connecting threaded sleeve 8 is in threaded connection with the valve cover 6, the periphery of the upper end of the connecting threaded sleeve is fixedly connected with a nut 10 in a threaded manner, and a support of the pneumatic actuator 12 is clamped between the nut 10 and the valve cover 6.
In a further embodiment, the connecting screw sleeve 8 is provided with a central hole, and the valve rod 13 is sleeved and limited, so that the valve rod 13 does not displace and twist in the horizontal direction.
In a further embodiment, a through hole 41 is formed in the center of the valve seat 4, and the diameter of the through hole 41 is slightly smaller than that of the valve core assembly 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pneumatic internal plug formula cauldron bottom valve, includes valve body, disk seat, valve rod, case subassembly, valve gap and pneumatic actuator, its characterized in that:
a valve seat is arranged below the valve body, a flange is connected below the valve seat, the flange is fixedly connected with the valve body through a double-end stud, an inclined valve cavity is arranged at one side of the valve body, a flange is arranged at the connecting port of the valve body,
the bottom end of the valve core component is connected with an inner plug, the inner plug and the valve seat central hole are opened and closed to realize the dredging and sealing operation of the kettle bottom valve, the valve core component is connected with the valve rod and communicated with the valve cover from the upper port of the valve body, the valve rod is limited and fixed through the valve cover, the valve cover is fixedly connected with the valve body through a bolt,
the upper end of the valve rod is connected with the pneumatic actuating mechanism, the pneumatic actuating mechanism is provided with a pneumatic elastic diaphragm and a push rod, thrust is applied to the pneumatic elastic diaphragm by means of high-pressure gas input from the air compressor, the push rod is further pulled to enable the valve rod to generate corresponding vertical displacement, the opening degree of the valve core assembly is changed, and automatic control adjustment is achieved.
2. A pneumatic internal plug kettle base valve as defined in claim 1, wherein: and gaskets are arranged between the valve body and the valve seat and between the valve seat and the flange.
3. A pneumatic internal plug kettle base valve as defined in claim 1, wherein: and a stuffing box is arranged between the valve cover and the valve body, and the stuffing box is pressed by a pressing plate arranged in the inner cavity of the valve cover.
4. A pneumatic internal plug kettle base valve as defined in claim 1, wherein: the pneumatic actuator is characterized in that a connecting threaded sleeve is arranged between the pneumatic actuator and the valve cover, the lower portion of the connecting threaded sleeve is in threaded connection with the valve cover, the periphery of the upper end of the connecting threaded sleeve is fixedly connected with a nut in a threaded manner, and a support of the pneumatic actuator is clamped between the nut and the valve cover.
5. A pneumatic internal plug kettle bottom valve as in claim 4, wherein: the connecting threaded sleeve is provided with a central hole, and the valve rod is sleeved and limited, so that the valve rod is not displaced and twisted in the horizontal direction.
6. A pneumatic internal plug kettle base valve as defined in claim 1, wherein: the center of the valve seat is provided with a through hole, and the diameter of the through hole is slightly smaller than that of the valve core assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423348.XU CN210106624U (en) | 2019-03-30 | 2019-03-30 | Pneumatic inner plug type kettle bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423348.XU CN210106624U (en) | 2019-03-30 | 2019-03-30 | Pneumatic inner plug type kettle bottom valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106624U true CN210106624U (en) | 2020-02-21 |
Family
ID=69534523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920423348.XU Active CN210106624U (en) | 2019-03-30 | 2019-03-30 | Pneumatic inner plug type kettle bottom valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106624U (en) |
-
2019
- 2019-03-30 CN CN201920423348.XU patent/CN210106624U/en active Active
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