CN219432591U - Adjusting valve rod for pneumatic adjusting valve - Google Patents
Adjusting valve rod for pneumatic adjusting valve Download PDFInfo
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- CN219432591U CN219432591U CN202120483376.8U CN202120483376U CN219432591U CN 219432591 U CN219432591 U CN 219432591U CN 202120483376 U CN202120483376 U CN 202120483376U CN 219432591 U CN219432591 U CN 219432591U
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- adjusting valve
- valve rod
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- rod
- valve body
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Abstract
The utility model discloses an adjusting valve rod for a pneumatic adjusting valve, which comprises a valve body and a cylinder with a controller, wherein the cylinder is arranged above the valve body, an intelligent supporting structure and an adjusting valve rod are further arranged between the valve body and the cylinder, the intelligent supporting structure is penetrated by the adjusting valve rod, the upper end of the adjusting valve rod is connected with the cylinder, and the lower end of the adjusting valve rod is connected with the valve body. The utility model provides the adjusting valve rod for the pneumatic adjusting valve, which not only can separate the valve body from the air cylinder, but also can prevent the medium in the valve body from entering the air cylinder after overflowing to affect the normal use of the air cylinder, further improve the functionality of the connecting bracket, ensure that the connecting bracket has better intelligence, and simultaneously can better protect the packing cylinder and the sealing sleeve.
Description
Technical Field
The utility model relates to the field of valves, in particular to an adjusting valve rod for a pneumatic adjusting valve.
Background
The valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device for allowing or stopping the flow of a medium (liquid, gas, or powder) in a pipe or a device and controlling the flow rate.
The actuating means of the valve is typically a cylinder disposed above it, and the particular actuating structure is an adjusting valve stem disposed between the valve and the cylinder. In order to better protect the normal use of the cylinder, the medium inside the valve is prevented from overflowing and entering the cylinder, and a certain interval is needed between the valve and the cylinder during the setting. In the prior art today, the support structure provided between the valve and the cylinder to support the cylinder is typically a support rod or a support spring. The supporting structure is relatively simple in function, namely, the supporting structure is used for separating the valve from the air cylinder, and how to improve the effect of the supporting structure and further expand the functions of the supporting structure is a research and development direction of my department.
Disclosure of Invention
The utility model aims to overcome the defects, and provides the adjusting valve rod for the pneumatic adjusting valve, which not only can separate the valve body from the air cylinder, avoid the medium in the valve body from entering the air cylinder after overflowing to affect the normal use of the air cylinder, but also further improve the functionality of the connecting bracket, so that the connecting bracket has better intelligence, and simultaneously can better protect the packing cylinder and the sealing sleeve.
The aim of the utility model is achieved by the following technical scheme:
a adjust valve rod for pneumatic control valve, including the valve body to and set up the cylinder of taking the controller in the valve body top, still be provided with intelligent bearing structure and adjust valve rod between valve body and the cylinder, this intelligent bearing structure is run through by adjust valve rod, and the upper end of this adjust valve rod is connected, the lower extreme is connected with the valve body.
Preferably, the top end of the adjusting valve rod is fixed on the piston of the air cylinder, the bottom end of the adjusting valve rod is fixed on the valve core seat of the valve body, an annular groove is formed in the middle of the adjusting valve rod, and the edge of the groove is a round angle.
Further, the connecting bracket is composed of an upper base, a lower base and a cylindrical side wall arranged between the upper base and the lower base.
Preferably, the upper base is penetrated by the adjusting valve rod, a sealing sleeve wrapping the outer side of the adjusting valve rod is arranged at the position where the upper base is penetrated by the adjusting valve rod, and the upper base is fixed on the air cylinder through bolts.
Preferably, the lower base is penetrated by the adjusting valve rod, a packing cylinder wrapped on the outer side of the adjusting valve rod is arranged at the position where the lower base is penetrated by the adjusting valve rod, the packing cylinder is fixed on the lower base through bolts, and the lower base is fixed on the valve body through bolts.
Still further, the control structure is composed of a mounting plate fixed on the outer side of the side wall of the connecting bracket, a positioner arranged on the mounting plate, a feedback rod with a U-shaped end part arranged on the positioner, and a positioning rod with one end fixed on the feedback rod and the other end fixed in a groove of the adjusting valve rod; the locator is also electrically connected with a controller of the cylinder.
Preferably, a sliding groove penetrating through the side wall is further formed in the side wall of the connecting support, and the positioning rod is arranged in the sliding groove.
Compared with the prior art, the utility model has the following advantages:
(1) The adjusting valve rod is provided with the groove, and the edge of the groove is a round angle, so that the phenomenon that the edge of the fixed position of the positioning rod is scratched by the packing cylinder or the sealing sleeve after the positioning rod is fixed can be effectively avoided, the packing cylinder and the sealing ring are further better protected, and the using effect of a product is further improved.
(2) According to the utility model, the connecting support is arranged, so that the separation of the valve body and the air cylinder can be completed, and the condition that the normal use of the air cylinder is influenced by the medium in the valve body entering the air cylinder after overflowing is avoided
(3) The utility model is provided with the locator and the feedback rod, so that the functionality of the connecting bracket can be further improved, the locator can finish adjusting the operation condition of the air cylinder according to the feedback of the feedback rod, and the product has better intelligence.
Drawings
Fig. 1 is a front perspective view of the present utility model.
Fig. 2 is a side perspective view of the present utility model.
Reference numerals illustrate: 1. a cylinder; 2. a valve body; 3. an adjusting valve rod; 4. a connecting bracket; 5. sealing sleeve; 6. a filler cylinder; 7. a mounting plate; 8. a positioner; 9. a feedback lever; 10. a chute; 11. a positioning rod; 12. a groove.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Examples
As shown in fig. 1 and 2, the regulating valve rod for the pneumatic regulating valve comprises a valve body 2 and a cylinder 1 with a controller, wherein the cylinder 1 is arranged above the valve body 2, an intelligent supporting structure and a regulating valve rod 3 are further arranged between the valve body 2 and the cylinder 1, the intelligent supporting structure is penetrated by the regulating valve rod 3, the upper end of the regulating valve rod 3 is connected with the cylinder 1, and the lower end of the regulating valve rod is connected with the valve body 2.
The valve body and the air cylinder with the controller are all in the prior art, and the setting and the use of the valve body and the air cylinder with the controller can be completed by a person skilled in the art without creative labor, so that the detailed description is omitted.
The top of the adjusting valve rod 3 is fixed on the piston of the air cylinder 1, the bottom of the adjusting valve rod 3 is fixed on the valve core seat of the valve body 2, an annular groove 12 is formed in the middle of the adjusting valve rod 3, and the edge of the groove 12 is a round angle.
In order to avoid the fixed position of the positioning rod from scratching the packing cylinder or the sealing sleeve, an annular groove can be formed in the position of the positioning rod, which is used for fixing the positioning rod, on the adjusting valve rod, and the edge position of the groove is subjected to chamfering treatment, so that the packing cylinder and the sealing ring are better protected, and the using effect of a product is further improved.
The intelligent supporting structure is composed of a connecting support 4 and a control structure arranged on the side wall of the connecting support 4.
The connecting bracket is used for isolating the valve body from the cylinder, so that the leaked medium in the valve body is prevented from being directly sucked into the cylinder when the cylinder runs, the use of the cylinder is better protected, and meanwhile, the use safety of a product is also ensured.
The connecting bracket 4 consists of an upper base, a lower base and a cylindrical side wall arranged between the upper base and the lower base.
The upper base is penetrated by the adjusting valve rod 3, a sealing sleeve 5 wrapping the outer side of the adjusting valve rod 3 is arranged at the position where the upper base is penetrated by the adjusting valve rod 3, and the upper base is fixed on the air cylinder 1 through bolts.
The sealing sleeve has the function of further protecting the safety of the cylinder and preventing external gas from entering the cylinder from the penetration position of the adjusting valve rod.
The lower base is penetrated by the adjusting valve rod 3, a packing cylinder 6 wrapped on the outer side of the adjusting valve rod 3 is arranged at the position where the lower base is penetrated by the adjusting valve rod 3, the packing cylinder 6 is fixed on the lower base through bolts, and the lower base is fixed on the valve body 2 through bolts.
The packing cylinder is a patent product of my department, namely an automatic adjusting compensation packing box, the patent number of which is ZL201822013545.2, the specific structure of which is described in the patent, and the use of the upper packing cylinder and the lower packing cylinder can be completed by a person skilled in the art without creative labor, so that repeated description is omitted in the application.
The control structure consists of a mounting plate 7 fixed on the outer side of the side wall of the connecting bracket 4, a locator 8 arranged on the mounting plate 7, a feedback rod 9 with a U-shaped end part arranged on the locator 8, and a locating rod 11 with one end fixed on the feedback rod 9 and the other end fixed in a groove 12 of the adjusting valve rod 3; the positioner 8 is also electrically connected to the controller of the cylinder 1.
The side wall of the connecting bracket 4 is also provided with a chute 10 penetrating through the side wall, and a positioning rod 11 is arranged in the chute 10.
When the adjusting valve rod is driven by the air cylinder to reciprocate up and down, the positioning rod is driven to move together when the adjusting valve rod moves, namely, the positioning rod can move up and down in the sliding groove, and the positioning rod drives the feedback rod to move along with the positioning rod, so that the positioner can obtain the running state of the adjusting valve rod through the feedback rod, and when the reciprocating frequency of the adjusting valve rod is lower than or higher than a preset value, the positioner can timely control the operation of the air cylinder through the controller to finish the adjustment of the reciprocating frequency of the adjusting valve rod.
As described above, the present utility model can be well implemented.
Claims (4)
1. The adjusting valve rod for the pneumatic adjusting valve comprises a valve body (2) and a cylinder (1) with a controller, wherein the cylinder (1) is arranged above the valve body (2), and the pneumatic adjusting valve is characterized in that an intelligent supporting structure and an adjusting valve rod (3) are further arranged between the valve body (2) and the cylinder (1), the intelligent supporting structure is penetrated by the adjusting valve rod (3), the upper end of the adjusting valve rod (3) is connected with the cylinder (1), and the lower end of the adjusting valve rod is connected with the valve body (2); the top end of the adjusting valve rod (3) is fixed on a piston of the air cylinder (1), the bottom end of the adjusting valve rod (3) is fixed on a valve core seat of the valve body (2), an annular groove (12) is formed in the middle of the adjusting valve rod (3), and the edge of the groove (12) is a round angle; the intelligent supporting structure consists of a connecting bracket (4) and a control structure arranged on the side wall of the connecting bracket (4); the control structure consists of a mounting plate (7) fixed on the outer side of the side wall of the connecting bracket (4), a locator (8) arranged on the mounting plate (7), a feedback rod (9) with a U-shaped end part arranged on the locator (8), and a positioning rod (11) with one end fixed on the feedback rod (9) and the other end fixed in a groove (12) of the adjusting valve rod (3); the locator (8) is also electrically connected with a controller of the air cylinder (1); the side wall of the connecting bracket (4) is also provided with a chute (10) penetrating through the side wall, and the positioning rod (11) is arranged in the chute (10).
2. The regulator stem for a pneumatic regulator valve according to claim 1, wherein the connecting bracket (4) consists of an upper base, a lower base, and a side wall provided between the upper base and the lower base and having a cylindrical shape.
3. The adjusting valve rod for the pneumatic adjusting valve according to claim 2, wherein the upper base is penetrated by the adjusting valve rod (3), a sealing sleeve (5) wrapping the outer side of the adjusting valve rod (3) is arranged at the position where the upper base is penetrated by the adjusting valve rod (3), and the upper base is fixed on the air cylinder (1) through bolts.
4. A regulating valve rod for a pneumatic regulating valve according to claim 3, characterized in that the lower base is penetrated by the regulating valve rod (3), a packing cylinder (6) wrapped outside the regulating valve rod (3) is arranged at the position where the lower base is penetrated by the regulating valve rod (3), the packing cylinder (6) is fixed on the lower base through a bolt, and the lower base is fixed on the valve body (2) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120483376.8U CN219432591U (en) | 2021-03-05 | 2021-03-05 | Adjusting valve rod for pneumatic adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120483376.8U CN219432591U (en) | 2021-03-05 | 2021-03-05 | Adjusting valve rod for pneumatic adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219432591U true CN219432591U (en) | 2023-07-28 |
Family
ID=87344042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120483376.8U Active CN219432591U (en) | 2021-03-05 | 2021-03-05 | Adjusting valve rod for pneumatic adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219432591U (en) |
-
2021
- 2021-03-05 CN CN202120483376.8U patent/CN219432591U/en active Active
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