CN206429716U - A kind of pressure-reducing valve - Google Patents
A kind of pressure-reducing valve Download PDFInfo
- Publication number
- CN206429716U CN206429716U CN201720033365.3U CN201720033365U CN206429716U CN 206429716 U CN206429716 U CN 206429716U CN 201720033365 U CN201720033365 U CN 201720033365U CN 206429716 U CN206429716 U CN 206429716U
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- China
- Prior art keywords
- valve body
- fixed part
- valve
- connecting portion
- diaphragm
- 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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Abstract
The utility model discloses a kind of pressure-reducing valve, aim to provide a kind of buffering regulating effect good, the pressure-reducing valve of good fixing effect and good sealing effect to diaphragm, its drip irrigation device is that decompression valve body includes valve body, it is arranged at valve element and bonnet in valve body, valve body includes the first valve body and the second valve body being sequentially connected, valve element includes adjusting rod, it is arranged at two fixed blocks on adjusting rod, diaphragm is provided between two fixed blocks, diaphragm includes the first fixed part and the second fixed part, first fixed part is arranged between the first valve body and the second valve body, second fixed part is arranged between two fixed blocks, buffering area is provided between first fixed part and the second fixed part, the utility model is applied to valve technology field.
Description
Technical field
The utility model is related to a kind of valve technology field, more specifically, it relates to a kind of pressure-reducing valve.
Background technology
Pressure-reducing valve is, by regulation, inlet pressure to be reduced to the outlet pressure of a certain needs, and the energy by medium in itself
Amount, makes outlet pressure keep stable valve automatically.From the viewpoint of hydrodynamics, pressure-reducing valve is that a local resistance can become
The restricting element of change, i.e., by changing orifice size, change the kinetic energy of flow velocity and fluid, cause the different pressure losses, from
And reach the purpose of decompression.Then by control and the regulation of regulating system, the fluctuation and spring force for making downstream pressure balance each other,
Downstream pressure is set to keep constant in certain error range.
At present, the pressure-reducing valve of in the market, it includes decompression valve body.Traditional pressure-reducing valve includes valve body, bonnet, adjusting rod
And the diaphragm on adjusting rod is arranged at, because the buffering regulating effect of diaphragm is poor, easily because current are excessive, directly affect
To the effect of decompression, and it is poor to the fixed effect of diaphragm, easily loosen diaphragm, and when pressure-reducing valve is closed, regulation
Sealing effectiveness between bar and bonnet is poor, can produce the phenomenon of leakage.
Utility model content
In view of the deficienciess of the prior art, to be to provide a kind of buffering regulating effect good for the purpose of this utility model, it is right
The good fixing effect of diaphragm and the pressure-reducing valve of good sealing effect.
To achieve the above object, the utility model provides following technical scheme：A kind of pressure-reducing valve, including pressure-reducing valve sheet
Body, it is characterized in that：The decompression valve body includes valve body, the valve element and bonnet being arranged in valve body, and valve body includes connecting successively
The first valve body and the second valve body connect, valve element includes setting between adjusting rod, two fixed blocks being arranged on adjusting rod, two fixed blocks
There is diaphragm, diaphragm includes the first fixed part and the second fixed part, and the first fixed part is arranged between the first valve body and the second valve body,
Second fixed part is arranged between two fixed blocks, and buffering area is provided between the first fixed part and the second fixed part, and buffering area includes
First connecting portion, buffer part and the second connecting portion being sequentially connected, first connecting portion and the connection of the first fixed part, the second connection
Portion and the connection of the second fixed part, first connecting portion, buffer part, second connecting portion are in arc-shaped.
By using above-mentioned technical proposal, decompression valve body includes valve body, the valve element and bonnet being arranged in valve body, valve
Cap is water inlet, and valve body includes the first valve body and the second valve body being sequentially connected, and valve element includes adjusting rod, is arranged on adjusting rod
Two fixed blocks, diaphragm is provided between two fixed blocks, diaphragm includes the first fixed part and the second fixed part, and the first fixed part is set
Between the first valve body and the second valve body, the second fixed part is arranged between two fixed blocks, by by the first fixed part of diaphragm
It is arranged between the first valve body and the second valve body, and the second fixed part of diaphragm is arranged between two fixed blocks, on the one hand
Increase the fixed effect to diaphragm, on the other hand by being provided with buffering area, buffering between the first fixed part and the second fixed part
Area includes first connecting portion, buffer part and the second connecting portion being sequentially connected, first connecting portion and the connection of the first fixed part, the
Two connecting portions and the connection of the second fixed part, are set using said structure, it is ensured that to the bonding strength of buffering area, and first connects
Socket part, buffer part, second connecting portion are in arc-shaped, in the first connecting portion, buffer part and second connecting portion of arc-shaped
Connect the buffering area formed, provide the effect of arc buffering for diaphragm, and buffering area circular arc opening towards water inlet, then
Buffering effect is further increased, so as to increase regulating effect.
The utility model is further arranged to：First fixed part include the first joint face for being connected with the first valve body with
And the second joint face being connected with the second valve body, some limited blocks, limited block are equipped with the first joint face and the second joint face
Longitudinal section triangular shape, be equipped with the stopper slot being adapted with limited block on the first valve body and the second valve body.
By using above-mentioned technical proposal, the first fixed part includes the first joint face for being connected with the first valve body and with the
Second joint face of two valve bodies connection is strong in order to increase connection of the diaphragm respectively between the first valve body and the second valve body
Degree, by being equipped with some limited blocks on the first joint face and the second joint face, the longitudinal section triangular shape of limited block, the
The stopper slot being adapted with limited block is equipped with one valve body and the second valve body, is set using said structure, longitudinal cross-section is in three
The limited block of angular shape, it is ensured that pull power between stopper slot, and the limited block of longitudinal cross-section triangular shape is added
The structural strength of diaphragm.
The utility model is further arranged to：The bonnet includes interior connection end, and the end face of interior connection end is provided with support
Block, adjusting rod includes the working end contradicted with interior connection end, and working end is provided with the link slot being adapted with support block, link slot
It is provided with seal.
By using above-mentioned technical proposal, bonnet includes interior connection end, and the end face of interior connection end is provided with support block, regulation
Bar includes the working end contradicted with interior connection end, and working end is provided with the link slot being adapted with support block, by working end
Provided with the link slot that is adapted with support block so that in the case where valve is closed, the interior connection end of adjusting rod and bonnet it
Between have preferable sealing effectiveness, in order to further increase sealing effectiveness between the two, link slot is provided with seal, and
The sealing ring that the utility model is used is flexible, so that sealing ring can be coated on outside support block, so increase both it
Between sealing effectiveness.
Brief description of the drawings
Fig. 1 is a kind of cross section structure diagram of pressure-reducing valve embodiment of the utility model.
Reference in figure, 1- valve bodies, the valve bodies of 10- first, the valve bodies of 11- second, 20- adjusting rods, 201- working ends, 202-
Link slot, 203- seals, 21- fixed blocks, 22- diaphragms, the fixed parts of 220- first, 221- buffering areas, 2210- first is connected
Connection end in portion, 2211- buffer parts, 2212- second connecting portions, the fixed parts of 222- second, 223- limited blocks, 3- bonnets, 30-,
31- support blocks.
Embodiment
Reference picture 1 is described further to a kind of pressure-reducing valve embodiment of the utility model.
A kind of pressure-reducing valve, including decompression valve body, decompression valve body include valve body 1, the valve element that is arranged in valve body 1 and
Bonnet 3, bonnet 3 is water inlet, and valve body 1 includes the first valve body 10 and the second valve body 11 being sequentially connected, and valve element includes adjusting rod
20th, it is arranged between two fixed blocks 21 on adjusting rod, two fixed blocks 21 and is provided with diaphragm 22, diaphragm 22 includes the first fixed part
220 and second fixed part 222, the first fixed part 220 is arranged between the first valve body 10 and the second valve body 11, the second fixed part
222 are arranged between two fixed blocks 21, by the way that the first fixed part 220 of diaphragm 22 is arranged at into the first valve body 10 and the second valve body
Between 11, and the second fixed part 222 of diaphragm 22 is arranged between two fixed blocks 21, on the one hand increase consolidating to diaphragm 22
Effect is determined, on the other hand by being provided with buffering area 221, buffering area 221 between the first fixed part 220 and the second fixed part 222
Including the first connecting portion 2210, buffer part 2211 and second connecting portion 2212 being sequentially connected, first connecting portion 2210 and
One fixed part 220 is connected, and the fixed part 222 of second connecting portion 2213 and second is connected, and is set using said structure, it is ensured that to slow
The bonding strength in area 221 is rushed, and first connecting portion 2210, buffer part 2211, second connecting portion 2212 are in arc-shaped, are in
The buffering area 221 that first connecting portion 2210, buffer part 2211 and the connection of second connecting portion 2212 of arc-shaped are formed, is diaphragm
There is provided the effect of arc buffering, and buffering area 221 circular arc opening towards water inlet, then further increase buffering effect
Really, so as to increase regulating effect.
The utility model is further arranged to, and the first fixed part 220 includes the first joint face being connected with the first valve body 10
And the second joint face being connected with the second valve body 11, in order to increase diaphragm 22 respectively with the first valve body 10 and the second valve body
Bonding strength between 11, by being equipped with some limited blocks 223, limited block 223 on the first joint face and the second joint face
Longitudinal section（Cross section as described in Figure 1）Be equipped with triangular shape, the first valve body 10 and the second valve body 11 with it is spacing
The stopper slot that block 223 is adapted, is set using said structure, the limited block 223 of longitudinal cross-section triangular shape, it is ensured that with it is spacing
Power is pullled between groove, and the limited block 223 of longitudinal cross-section triangular shape adds the structural strength of diaphragm 22.
The utility model is further arranged to, and bonnet 3 includes interior connection end 30, and the end face of interior connection end 30 is provided with support
Block 31, adjusting rod 20 includes the working end 201 contradicted with interior connection end 30, and working end 201 is provided with and is adapted with support block 31
Link slot 202, by working end 201 provided with the link slot 202 that is adapted with support block 31 so that closed in valve
In the case of, have preferable sealing effectiveness between adjusting rod 20 and the interior connection end 30 of bonnet 3, in order to further increase both it
Between sealing effectiveness, link slot 202 is provided with seal 203, and the seal 203 that the utility model is used is flexible,
So that seal 203 can be coated on outside support block 31, and then increase sealing effectiveness between the two.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in of the present utility model protect
In the range of shield.
Claims (3)
1. a kind of pressure-reducing valve, including decompression valve body, it is characterized in that：The decompression valve body includes valve body, is arranged in valve body
Valve element and bonnet, valve body includes the first valve body and the second valve body that are sequentially connected, and valve element includes adjusting rod, is arranged at regulation
Diaphragm is provided between two fixed blocks on bar, two fixed blocks, diaphragm includes the first fixed part and the second fixed part, the first fixed part
It is arranged between the first valve body and the second valve body, the second fixed part is arranged between two fixed blocks, the first fixed part and second is consolidated
Determine to be provided with buffering area between portion, buffering area includes first connecting portion, buffer part and the second connecting portion being sequentially connected, and first connects
Socket part and the connection of the first fixed part, second connecting portion and the connection of the second fixed part, first connecting portion, buffer part, second connecting portion
It is in arc-shaped.
2. a kind of pressure-reducing valve according to claim 1, it is characterized in that：First fixed part includes being connected with the first valve body
The first joint face and the second joint face for being connected with the second valve body, be equipped with the first joint face and the second joint face some
The limit being adapted with limited block is equipped with limited block, the longitudinal section triangular shape of limited block, the first valve body and the second valve body
Position groove.
3. a kind of pressure-reducing valve according to claim 1, it is characterized in that：The bonnet includes interior connection end, interior connection end
End face is provided with support block, and adjusting rod includes the working end contradicted with interior connection end, and working end is provided with and is adapted with support block
Link slot, link slot be provided with seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720033365.3U CN206429716U (en) | 2017-01-12 | 2017-01-12 | A kind of pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720033365.3U CN206429716U (en) | 2017-01-12 | 2017-01-12 | A kind of pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206429716U true CN206429716U (en) | 2017-08-22 |
Family
ID=59583625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720033365.3U Expired - Fee Related CN206429716U (en) | 2017-01-12 | 2017-01-12 | A kind of pressure-reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206429716U (en) |
-
2017
- 2017-01-12 CN CN201720033365.3U patent/CN206429716U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20210112 |