CN217927196U - Realize small flow valve of accurate regulation - Google Patents
Realize small flow valve of accurate regulation Download PDFInfo
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- CN217927196U CN217927196U CN202221810904.7U CN202221810904U CN217927196U CN 217927196 U CN217927196 U CN 217927196U CN 202221810904 U CN202221810904 U CN 202221810904U CN 217927196 U CN217927196 U CN 217927196U
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- valve
- disk seat
- seat
- valve body
- seal cover
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Abstract
The utility model provides a realize minute flow valve of accurate regulation, includes the valve body, and valve body upper portion is connected with the valve gap through bolt and nut, is equipped with disk seat and valve rod in valve body and the valve gap respectively, and the disk seat includes disk seat and last disk seat down, goes up the disk seat and links together through screw thread and valve body, is equipped with the soft seal cover down between the core bar of disk seat and last disk seat and valve rod. The utility model discloses a realize small flow valve of accurate adjustment, increase a soft seal cover between the upper and lower part, extrude the soft seal cover through screwing the first half of disk seat, make the seal cover tightly wrap the case, the two closely laminates, makes do not have fit clearance between the core print, when the valve is opened and close the operation, the case is tightly being enclosed by the soft seal cover in the motion process, and the disk seat is direct not to cooperate the mistake all the time, and the runner area control is accurate, can guarantee the control accuracy of valve.
Description
Technical Field
The utility model relates to an advanced manufacturing and automated control technical field specifically are a realize small flow valve of accurate regulation.
Background
Along with the development of science and technology, the requirement on precision in a control system is higher and higher, the current single-seat valve adjusts the flow capacity of fluid by means of the gap between the valve core and the valve seat in the use process, and due to the requirements of processing and matching, a certain matching gap must exist between the valve core and the valve seat.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a simple structure, effectual realization fine adjustment's small flow valve.
The utility model discloses a realize with following technical scheme: the utility model provides a realize minute flow valve of accurate regulation, includes the valve body, valve body upper portion is connected with the valve gap through bolt and nut, be equipped with disk seat and valve rod in valve body and the valve gap respectively, the disk seat includes disk seat and last disk seat down, it is in the same place with the valve body connection through the screw thread to go up the disk seat, be equipped with the soft seal cover down between the core bar of disk seat and last disk seat and valve rod.
It further comprises the following steps: the soft seal cover is sleeved on the periphery of the core rod, and grooves for placing the soft seal cover are respectively arranged on the lower valve seat and the upper valve seat.
And a flat gasket and a disc spring are arranged between the soft sealing sleeve and the upper valve seat.
The core rod is provided with an inclined plane for the medium to pass through.
And a packing assembly is arranged between the core rod and the valve cover.
The lower end of the core rod is provided with a guide sleeve.
And a tooth-shaped gasket is arranged between the valve body and the valve cover.
The utility model has the advantages of it is following: the utility model discloses a realize small flow valve of accurate regulation, increase a soft seal cover between the upper and lower part, extrude the soft seal cover through screwing the first half of disk seat, make the seal cover tightly wrap the case, the two closely laminates, makes not have the fit clearance between the core print, when the valve is opened and close the operation, the case is tightly being enclosed by the soft seal cover in the motion process, and the disk seat is direct not to cooperate the mistake all the time, and flow area control is accurate, can guarantee the control accuracy of valve. And the valve can also adjust the fit clearance between the soft sealing sleeve and the valve seat by adjusting the screwing degree of the valve seat, and can be used for flow compensation under the working conditions with slightly larger circulation capacity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1. the valve comprises a valve body, 2, a lower valve seat, 3, a disc spring, 4, a flat gasket, 5, a soft sealing sleeve, 6, an upper valve seat, 7, a tooth-shaped gasket, 8, a guide sleeve, 9, a valve cover, 10, a bolt and a nut, 11, a core rod, 12 and a packing assembly.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention and are not intended to limit the present invention.
The micro flow valve for realizing precise adjustment as shown in fig. 1 to 2 comprises a valve body 1, wherein the upper part of the valve body 1 is connected with a valve cover 9 through a bolt and a nut 10, a valve seat and a valve rod are respectively arranged in the valve body 1 and the valve cover 9, the valve seat comprises a lower valve seat 2 and an upper valve seat 6, the upper valve seat 6 is connected with the valve body 1 through threads, and a soft sealing sleeve 5 is arranged between the lower valve seat 2 and the upper valve seat 6 and a core rod 11 of the valve rod. The utility model discloses a realize the small flow valve of accurate regulation, the valve disk seat is designed into upper and lower split type and is made up of lower disk seat and upper valve seat, increases a soft seal cover between upper and lower part, the core bar passes through the middle of the soft seal cover, and is tightly surrounded by the soft seal cover, and there is not fit clearance between the valve seat; meanwhile, the upper valve seat is connected with the valve body through threads, the upper valve seat is screwed to extrude the soft sealing sleeve, so that the sealing sleeve is tightly attached to the valve core, and no fit clearance exists between the valve core and the valve seat; the fit clearance between the core holders is adjusted by adjusting the screwing degree of the upper valve seat, so that the flow compensation is performed under the working conditions of slightly larger circulation capacity; when the valve is opened and closed, the valve core is tightly surrounded by the soft sealing sleeve in the movement process, and the valve core and the valve seat are directly and always free of a fit clearance, so that the flow area for the fluid to pass through is always the flow area required by design, an ideal effect can be achieved in the aspect of micro flow control, and the flow is accurately controlled.
As shown in fig. 1 to 2, the micro flow valve for realizing precise adjustment has a soft sealing sleeve 5 sleeved on the periphery of a core rod 11, and grooves for placing the soft sealing sleeve 5 are respectively arranged on a lower valve seat 2 and an upper valve seat 6. The utility model discloses a soft seal cover sets up under between disk seat, last disk seat and the core bar, seals between the three, guarantees the reliability of sealing between disk seat and the case.
In the micro flow valve for realizing fine adjustment shown in fig. 1 to 2, a flat gasket 4 and a disc spring 3 are arranged between the soft sealing sleeve 5 and the upper valve seat 6. The core rod 11 is provided with an inclined plane for medium to pass through. The utility model discloses a realize fine adjustment's small flow valve sets up the dish spring and carries out compression compensation under the soft seal cover, makes the seal cover tightly wrap the case, and the two closely laminates, guarantees not have fit clearance between the core print, and simultaneously, mills the inclined plane on the case and be used for the medium to pass through.
As shown in FIG. 1, a micro flow valve for realizing fine adjustment is provided with a filler assembly 12 between a core rod 11 and a valve cover 9. The lower end of the core rod 11 is provided with a guide sleeve 8. A tooth-shaped gasket 7 is arranged between the valve body 1 and the valve cover 9.
Finally, it should be noted that: 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 modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a realize minute flow valve of fine adjustment which characterized in that: including valve body (1), valve body (1) upper portion is connected with valve gap (9) through bolt and nut (10), be equipped with disk seat and valve rod in valve body (1) and the valve gap (9) respectively, the disk seat includes disk seat (2) and last disk seat (6) down, go up disk seat (6) and link together through the screw thread with valve body (1), be equipped with soft seal cover (5) down between disk seat (2) and last disk seat (6) and core bar (11) of valve rod.
2. A micro flow valve for precision adjustment as claimed in claim 1 wherein: the soft sealing sleeve (5) is sleeved on the periphery of the core rod (11), and grooves for placing the soft sealing sleeve (5) are respectively formed in the lower valve seat (2) and the upper valve seat (6).
3. A micro flow valve for achieving fine tuning as claimed in claim 1 wherein: and a flat gasket (4) and a disc spring (3) are arranged between the soft sealing sleeve (5) and the upper valve seat (6).
4. A micro flow valve for achieving fine tuning as claimed in claim 1 wherein: the core rod (11) is provided with an inclined plane for the medium to pass through.
5. A micro flow valve for achieving fine tuning as claimed in claim 1 wherein: and a packing component (12) is arranged between the core rod (11) and the valve cover (9).
6. A micro flow valve for achieving fine tuning as claimed in claim 1 wherein: the lower end of the core rod (11) is provided with a guide sleeve (8).
7. A micro flow valve for achieving fine tuning as claimed in claim 1 wherein: a tooth-shaped gasket (7) is arranged between the valve body (1) and the valve cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221810904.7U CN217927196U (en) | 2022-07-14 | 2022-07-14 | Realize small flow valve of accurate regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221810904.7U CN217927196U (en) | 2022-07-14 | 2022-07-14 | Realize small flow valve of accurate regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217927196U true CN217927196U (en) | 2022-11-29 |
Family
ID=84188411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221810904.7U Active CN217927196U (en) | 2022-07-14 | 2022-07-14 | Realize small flow valve of accurate regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217927196U (en) |
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2022
- 2022-07-14 CN CN202221810904.7U patent/CN217927196U/en active Active
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