CN203784428U - Valve position-adjustable valve seat - Google Patents
Valve position-adjustable valve seat Download PDFInfo
- Publication number
- CN203784428U CN203784428U CN201420058422.XU CN201420058422U CN203784428U CN 203784428 U CN203784428 U CN 203784428U CN 201420058422 U CN201420058422 U CN 201420058422U CN 203784428 U CN203784428 U CN 203784428U
- Authority
- CN
- China
- Prior art keywords
- piston
- adjustable
- valve
- valve seat
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a valve position-adjustable valve seat, which comprises a valve seat, a valve element and an adjustable pneumatic executor, wherein the valve seat is connected with the adjustable pneumatic executor through a bracket. The valve position-adjustable valve seat is characterized in that the adjustable pneumatic executor mainly comprises a cylinder body, a cylinder bottom cover, an inflation port, a primary piston, a secondary piston, a spring and an adjustment positioning bolt, wherein the valve element is in threaded connection with the primary piston through a connecting shaft, and moves up and down synchronously with the primary piston; however, the movement position of the primary piston is limited by the position of the secondary piston; the position of the secondary piston is controlled by the adjustment positioning bolt, and can be correspondingly adjusted by adjusting the adjustment positioning bolt, and along with the position change of the secondary piston, the positions of the primary piston, and the connecting shaft and the valve element, which are connected with the primary piston, can also be changed, so that the aim of adjusting the position of the valve element can further be fulfilled.
Description
Technical field:
The utility model relates to a kind of fluidic device for beverage, food, medicine or biological technology products,
And the adjustable valve seat of a kind of valve position in fluidic device.
Background technique:
Valve seat in the market, it is adjustable that major part can not realize valve position, can only realize two kinds of forms of standard-sized sheet or full cut-off, the control of inconvenient flow, want to realize the control of flow, conventionally way is to increase a flow control positioning work piece, realize the flow control of valve by the control of flow dontroller, but the electronic intelligence control system that flow dontroller is made up of plates such as flow reponse system, processing system, executive systems, its cost of flow dontroller exceeds several times of valve seats itself, expense is large, little to using value in less demanding actual use of Flow-rate adjustment.
Model utility content:
The utility model is for the problem in background technique, the utility model provides a kind of valve position adjustable valve seat, give up the high electronic intelligence valve position regulating system of cost, adopt mechanical type valve position regulating system, simple in structure, easy processing, easy to operate, with low cost, and can realize valve seat control of valve position, flow is adjustable.
The utility model is for solving above technical problem, adopt following technological scheme: the adjustable valve seat of a kind of valve position, comprise valve seat, spool and adjustable pneumatic final controlling element, valve seat is connected with adjustable pneumatic final controlling element by support, it is characterized in that: described adjustable pneumatic final controlling element is mainly made up of cylinder block, cylinder bottom, charging air inlet, first stage piston, second piston, spring, adjusting holding down bolt; Described spool is threaded with first stage piston by coupling shaft, spool is synchronizeed and is moved up and down together with first stage piston, but first stage piston mobile position is subject to the position of second piston to be limited, the position of second piston is subject to regulating the control of holding down bolt, adjust and regulate holding down bolt, second piston will carry out relevant position adjustment, along with the position of second piston changes, first stage piston and connected coupling shaft, spool also can change simultaneously, and then reach the adjustable object of valve element position.
As optimization of the present utility model, described charging air inlet has three (charging air inlet I, charging air inlet II, charging air inlet III), lays respectively at both sides and the neutral position of cylinder block, plays the function of adjusting.
As optimization of the present utility model, described adjusting holding down bolt top is provided with screw thread, is threaded with cylinder bottom, and bottom is provided with the blind hole that is circularly and evenly distributed, and it is for rotating adjusting holding down bolt.
Beneficial effect: by adopting above technological scheme, the utility model has adopted mechanical type valve position regulating system, regulate holding down bolt to change the relative position of itself and cylinder block by rotation, be positioned to regulate the second piston position above holding down bolt also will be with regulating holding down bolt position to change and change, when work, spool will be in company with changing in company with first stage piston enable possition, it is stroke alteration, this kind of mechanism structure is simple, and can realize valve seat control of valve position, and flow is adjustable.
Brief description of the drawings:
Fig. 1 is the utility model structural drawing
Fig. 2,3 is that the utility model structural change spool spool stroke changes schematic diagram
In Fig. 1-3,1-valve body, 2-spool I, 3-adjustable pneumatic final controlling element, 4-support, 5-coupling shaft, 6-regulate holding down bolt, 7-cylinder bottom, 8a-charging air inlet I, 8b-charging air inlet II, 8c-charging air inlet III, 9-cylinder block, 10-second piston, 11-first stage piston, 12-spring.
Embodiment:
As shown in accompanying drawing 1,2,3, in this specific embodiment, the utility model provides a kind of valve position adjustable valve seat, comprise valve seat (1), spool (2) and adjustable pneumatic final controlling element (3), valve seat (1) is connected with adjustable pneumatic final controlling element (3) by support (4), it is characterized in that: described adjustable pneumatic final controlling element (3) is mainly made up of cylinder block (9), cylinder bottom (7), charging air inlet, first stage piston (11), second piston (10), spring (12), adjusting holding down bolt (6), described spool (2) is threaded with first stage piston (11) by coupling shaft (5), spool (2) is synchronizeed and is moved up and down together with first stage piston (11), but first stage piston (11) mobile position is subject to the position of second piston (10) to be limited, the position of second piston (10) is subject to regulating the control of holding down bolt (6), adjust and regulate holding down bolt (6), second piston (10) will carry out relevant position adjustment, along with the position of second piston (10) changes, first stage piston (11) and connected coupling shaft (5), spool (2) also can change simultaneously, and then reach the adjustable object of valve element position.
Under the utility model normal conditions, only need inflate charging air inlet I (8a), second piston (10) is moved up by gas pressure and overcomes spring (12) tension force effect, promotion first stage piston (11), spring (12), coupling shaft (5), spool (2) move up together, spool is all opened, and spool stroke reaches maximum (as Fig. 3); After valve is died, all spools (2), coupling shaft (5), first stage piston (11), second piston (10) move down reset under spring (12) tension force effect, valve seat is closed (as Fig. 2), and this function is the same with conventional actuator function.
As shown in Figure 3, in the time using charging air inlet II (8b) inflation, first stage piston (11) pressurized moves up, and overcome spring (12) tension force effect, promotion spring (12), coupling shaft (5), spool (2) move up, second piston (10) is subject to down pressure to be positioned to regulate holding down bolt (6), position is motionless, coupling shaft (5) moves up and terminates in second piston (10) P line, spool (2) is opened, but stroke shortens, spool is opened distance and is reduced, and realizes spool open position and changes.
As shown in Figure 3, adjustment of the present utility model regulates holding down bolt (6), injects and regulates holding down bolt to expose any aperture (x) on circumference with an iron.Pull iron rotation with hand and allow adjusting holding down bolt (6) move up or down, move up, spool aperture increases, and flow strengthens, and moves down spool aperture and reduces, and flow reduces.
As shown in Figure 1, charging air inlet III of the present utility model (8c) is not using under shock mount, effect is equivalent to spring, when inflation, make first stage piston (11) pressurized move down, parts such as band movable valve plug (2) etc. reset and close valve seat, while having spring without this charging air inlet III (8a).
Claims (3)
1. the adjustable valve seat of valve position, comprise valve seat (1), spool (2) and adjustable pneumatic final controlling element (3), valve seat (1) is connected with adjustable pneumatic final controlling element (3) by support (4), it is characterized in that: described adjustable pneumatic final controlling element (3) is mainly made up of cylinder block (9), cylinder bottom (7), charging air inlet, first stage piston (11), second piston (10), spring (12), adjusting holding down bolt (6), described spool (2) is threaded with first stage piston (11) by coupling shaft (5), spool (2) is synchronizeed and is moved up and down together with first stage piston (11), but first stage piston (11) mobile position is subject to the position of second piston (10) to be limited, the position of second piston (10) is subject to regulating the control of holding down bolt (6), adjust and regulate holding down bolt (6), second piston (10) will carry out relevant position adjustment, along with the position of second piston (10) changes, first stage piston (11) and connected coupling shaft (5), spool (2) also can change simultaneously, and then reach the adjustable object of valve element position.
2. the adjustable valve seat of a kind of valve position as claimed in claim 1, it is characterized in that: described charging air inlet has three (charging air inlet I (8a), charging air inlet II (8b), charging air inlet III (8c)), lay respectively at both sides and the neutral position of cylinder block (9), play the function of adjusting.
3. the adjustable valve seat of a kind of valve position as claimed in claim 1, it is characterized in that: described adjusting holding down bolt (6) top is provided with screw thread, be threaded with cylinder bottom (7), bottom is provided with the blind hole that is circularly and evenly distributed (K), and it regulates holding down bolt (6) for rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058422.XU CN203784428U (en) | 2014-01-27 | 2014-01-27 | Valve position-adjustable valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058422.XU CN203784428U (en) | 2014-01-27 | 2014-01-27 | Valve position-adjustable valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784428U true CN203784428U (en) | 2014-08-20 |
Family
ID=51320615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420058422.XU Expired - Lifetime CN203784428U (en) | 2014-01-27 | 2014-01-27 | Valve position-adjustable valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361062A (en) * | 2020-11-24 | 2021-02-12 | 北京北方华创微电子装备有限公司 | Unidirectional conduction control device |
| CN113984956A (en) * | 2021-09-22 | 2022-01-28 | 华北电力大学 | Fly ash carbon content measuring system and method for realizing controllable ash taking and carbon measuring |
-
2014
- 2014-01-27 CN CN201420058422.XU patent/CN203784428U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361062A (en) * | 2020-11-24 | 2021-02-12 | 北京北方华创微电子装备有限公司 | Unidirectional conduction control device |
| CN112361062B (en) * | 2020-11-24 | 2022-10-21 | 北京北方华创微电子装备有限公司 | Unidirectional conduction control device |
| CN113984956A (en) * | 2021-09-22 | 2022-01-28 | 华北电力大学 | Fly ash carbon content measuring system and method for realizing controllable ash taking and carbon measuring |
| CN113984956B (en) * | 2021-09-22 | 2023-10-24 | 华北电力大学 | Fly ash carbon content measuring system and method for realizing controllable ash taking and carbon measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 325000 Gangfu Road, Wenzhou Airport New Area, Zhejiang Province Patentee after: DONGJOY TECHNOLOGY CO.,LTD. Address before: 325000 Shacheng Industrial Zone, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: DONGJOY TECHNOLOGY CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |