CN206830942U - A kind of regulating valve flap and the regulating valve with the flap - Google Patents
A kind of regulating valve flap and the regulating valve with the flap Download PDFInfo
- Publication number
- CN206830942U CN206830942U CN201720617450.4U CN201720617450U CN206830942U CN 206830942 U CN206830942 U CN 206830942U CN 201720617450 U CN201720617450 U CN 201720617450U CN 206830942 U CN206830942 U CN 206830942U
- Authority
- CN
- China
- Prior art keywords
- flap
- regulating valve
- shaped groove
- main body
- valve
- 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 - Fee Related
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of regulating valve flap and with the flap regulating valve, the regulating valve flap includes flap main body and the valve rod installation portion being connected with flap main body, flap main body is used to be engaged to form on-off structure with valve body, flap main body includes Part I, Part II and the Part III being sequentially connected, Part II is in hollow setting, Part II is circumferentially provided with V-shaped groove at it, and the opening of V-shaped groove is set towards Part III.The utility model is intended to make to reach trace regulation during valve opening, improves Adjustment precision, flow curve is tended to parabola.
Description
Technical field
It the utility model is related to regulating valve technical field, more particularly to a kind of regulating valve flap and the regulation with the flap
Valve.
Background technology
At present, regulating valve can be acted in the presence of pressure, temperature or other forms transducing signal by pre-provisioning request,
Or be simply turned on and off independent of transducing signal, valve rises opening and closing element by driving or automechanism
Drop, sliding, swing or gyration, so as to change the size of its flow area to realize its control function.Traditional regulating valve
Including valve body and flap, by controlling the position of flap to change, the size of regulation valve body passage, the regulation of rate-of flow is realized.
But there is following defect in existing regulating valve：
Regulating valve flap seal form uses flat seal or ball face sealing, and contour structures are also different, are being adjusted
After valve is closed, its entrance point is different from the pressure of the port of export, produces pressure difference, and the presence of pressure difference can cause medium to pass through regulating valve
When, huge impulsive force is produced to regulation valve member and pipeline, causes the flow of regulating valve that strong change occurs, is influenceed whole
The performance and used life of equipment, strict pipe-line system is controlled for flow, and existing regulating valve flap can not meet to adjust
Valve trace regulation, the requirement adjusted in high precision.
Utility model content
For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of regulating valve flap, with
The problem of requirement for overcome the flap of existing regulating valve and can not meet regulating valve trace regulation, adjusting in high precision.
The two of the purpose of this utility model are to provide a kind of regulating valve, reach micro tune in the regulating valve opening process
Section, control accuracy is accurate, and flow curve tends to parabola.
One of the purpose of this utility model adopts the following technical scheme that realization：
A kind of regulating valve flap, including flap main body and the valve rod installation portion that is connected with flap main body, the flap main body
On-off structure is formed for being engaged with valve body, the flap main body includes Part I, the Part II and the being sequentially connected
Three parts, the Part II are in hollow setting, and the Part II is circumferentially provided with V-shaped groove, the opening of the V-shaped groove at it
Set towards the Part III.
Further, the quantity of the V-shaped groove is four.
Further, four V-shaped grooves are uniformly arranged in the circumferencial direction of the Part II.
Further, the quantity of the Part III is four, and a V-shaped groove is provided between the adjacent Part III.
Further, the V-shaped groove includes the first V-shaped groove and the second V-shaped groove, and the first V-shaped groove and the second V-shaped groove interval are set
Put.
Further, the quantity of the first V-shaped groove is two, and the quantity of the second V-shaped groove is two.
Further, the bottom of the first V-shaped groove is provided with arc-shaped transition section.
Further, the bottom of the second V-shaped groove is provided with semi-circular recesses.
Further, flap main body and the valve rod installation portion are integrally formed connection.
The two of the purpose of this utility model adopt the following technical scheme that realization：
A kind of regulating valve, including valve body and regulating valve flap as described above, the flap are adapted shape with the valve body
Into on-off structure.
Compared with prior art, the beneficial effects of the utility model are：
Regulating valve flap provided by the utility model, the Part I for including being sequentially connected due to the flap main body, the
Two parts and Part III, the Part II are in hollow setting, and the Part II is circumferentially provided with V-shaped groove, the V at it
The opening of shape groove is set towards the Part III, sealed reliable, service life length, and realizes precise control of flew, is reached
To trace regulation, flow curve tends to parabola, effectively adjusts the front and rear pressure difference of regulating valve, alleviates the unstable of High Pressure Difference
Property, make the operation of regulating valve more steady.
Brief description of the drawings
Fig. 1 is the schematic diagram for the regulating valve flap that the embodiment of the utility model one provides；
Fig. 2 is the sectional view of regulating valve flap in Fig. 1.
In figure：1st, flap main body；11st, Part I；12nd, Part II；121st, the first V-shaped groove；122nd, the second V-shaped groove；
1221st, groove；13rd, Part III；2nd, valve rod installation portion.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further, it is necessary to explanation is,
On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As depicted in figs. 1 and 2, a kind of regulating valve flap, including flap main body 1 and be connected with flap main body valve rod installation
Portion 2, flap main body 1 are used to be engaged to form on-off structure with the valve body of regulating valve, and flap main body 1 includes first be sequentially connected
Part 11, Part II 12 and Part III 13, Part I 11 are connected with valve rod installation portion 2, and Part II 12 is set in hollow
Put, Part II 12 is circumferentially provided with V-shaped groove at it, and the opening of V-shaped groove is set towards Part III.
The regulating valve flap that above-described embodiment provides, sealed reliable, service life length, and realize flow and accurately control
System, reaches trace regulation, and flow curve tends to parabola, effectively adjusts the front and rear pressure difference of regulating valve, alleviates High Pressure Difference not
Stability, make the operation of regulating valve more steady.
Further, the quantity of V-shaped groove is four.Further, four V-shaped grooves are uniform in the circumferencial direction of Part II
Set.Due to being evenly arranged with four V-shaped grooves in the circumferencial direction of Part II, spaced two V-shaped grooves are symmetrical arranged,
The aperture area of V-shaped groove is equal to the circulation area of regulation valve body with the aperture area that two neighboring Part III is formed, this
Structure can effectively adjust the front and rear pressure difference of regulating valve, reach trace regulation, and flow curve tends to parabola, make the operation of regulating valve
It is more steady.
Further, the quantity of Part III 13 is four, and a V-shaped groove is provided between adjacent Part III 13.
Further, V-shaped groove includes the first V-shaped groove 121 and the second V-shaped groove 122, the first V-shaped groove 121 and the second V-shaped groove
122 are arranged at intervals.
Further, the quantity of the first V-shaped groove 121 is two, and the quantity of the second V-shaped groove 122 is two.
Further, the bottom of the first V-shaped groove 121 is provided with arc-shaped transition section, and the flap sealed reliable of this structure can
Reach trace regulation, flow curve tends to parabola so that the operation of regulating valve is more steady.
Further, the bottom of the second V-shaped groove 122 is provided with semi-circular recesses 1221.
This structure setting of first V-shaped groove 121 and the second V-shaped groove 122, sealed reliable, service life length, and favorably
Accurately controlled in the flow to regulating valve, reach trace regulation, flow curve tends to parabola, makes the operation of regulating valve more
Add steady.
Further, flap main body 1 and valve rod installation portion 2 are integrally formed connection.Valve rod installation portion 2 by screw thread and pin with
The valve rod connection of regulating valve, it is reliable and stable.
It should be understood that the shape of Part I 11, in cylinder, the shape of Part II 12 is tapered, Part II 12
Bus and the angle of central shaft of Part III be 30 °.The position-limiting action of guide effect and the conical surface due to the face of cylinder can
Ensure that the valve rod of flap and regulating valve keeps higher axiality, more preferably to realize the accurate control of rate-of flow.
The utility model embodiment also provides a kind of regulating valve, including valve body and flap as above, flap are mutually fitted with valve body
With forming on-off structure.The regulating valve sealed reliable, service life length, can realize precise control of flew, reach trace regulation,
Flow curve tends to parabola, effectively adjusts the front and rear pressure difference of regulating valve, alleviates the unstability of High Pressure Difference, make regulating valve
Operation is more steady.
Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (10)
- A kind of 1. regulating valve flap, it is characterised in that the valve rod installation portion being connected including flap main body and with flap main body, it is described Flap main body be used for be engaged to form on-off structure with valve body, the flap main body include be sequentially connected Part I, second Part and Part III, the Part II are in hollow setting, and the Part II is circumferentially provided with V-shaped groove, the V-arrangement at it The opening of groove is set towards the Part III.
- 2. regulating valve flap as claimed in claim 1, it is characterised in that the quantity of the V-shaped groove is four.
- 3. regulating valve flap as claimed in claim 2, it is characterised in that circle of four V-shaped grooves in the Part II Circumferential direction is uniformly arranged.
- 4. regulating valve flap as claimed in claim 2, it is characterised in that the quantity of the Part III is four, adjacent institute State and be provided with a V-shaped groove between Part III.
- 5. regulating valve flap as claimed in claim 1, it is characterised in that the V-shaped groove includes the first V-shaped groove and the second V-arrangement Groove, the first V-shaped groove and the second V-shaped groove are arranged at intervals.
- 6. regulating valve flap as claimed in claim 5, it is characterised in that the quantity of the first V-shaped groove is two, the second V-shaped groove Quantity be two.
- 7. regulating valve flap as claimed in claim 5, it is characterised in that the bottom of the first V-shaped groove is provided with arc-shaped transition section.
- 8. regulating valve flap as claimed in claim 5, it is characterised in that the bottom of the second V-shaped groove is provided with semi-circular recesses.
- 9. regulating valve flap as claimed in claim 1, it is characterised in that flap main body and the valve rod installation portion are integrally formed Connection.
- A kind of 10. regulating valve, it is characterised in that the regulating valve flap including valve body and as described in claim 1-9 is any, it is described Flap is adapted to form on-off structure with the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617450.4U CN206830942U (en) | 2017-05-27 | 2017-05-27 | A kind of regulating valve flap and the regulating valve with the flap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617450.4U CN206830942U (en) | 2017-05-27 | 2017-05-27 | A kind of regulating valve flap and the regulating valve with the flap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830942U true CN206830942U (en) | 2018-01-02 |
Family
ID=60773520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720617450.4U Expired - Fee Related CN206830942U (en) | 2017-05-27 | 2017-05-27 | A kind of regulating valve flap and the regulating valve with the flap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830942U (en) |
-
2017
- 2017-05-27 CN CN201720617450.4U patent/CN206830942U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |