CN208764436U - A kind of industry pressure reducing valve - Google Patents
A kind of industry pressure reducing valve Download PDFInfo
- Publication number
- CN208764436U CN208764436U CN201821391530.3U CN201821391530U CN208764436U CN 208764436 U CN208764436 U CN 208764436U CN 201821391530 U CN201821391530 U CN 201821391530U CN 208764436 U CN208764436 U CN 208764436U
- Authority
- CN
- China
- Prior art keywords
- opening
- closing element
- valve body
- mechanism shell
- pressure reducing
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- 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 belongs to valve arrangement technical field, a kind of industry pressure reducing valve, including valve body, the valve body includes two valve decks being fixedly connected, the valve body right end is equipped with air inlet pipe, the valve body left end is equipped with exhaust pipe, the first opening and closing element is slidably fitted in the air inlet pipe, the second opening and closing element is slidably fitted in the exhaust pipe, the structure of first opening and closing element and the second opening and closing element is identical, it and is the tubular structure of an end closure, it is axial on first opening and closing element and the second opening and closing element to offer the first stomata, one end is sealed on first opening and closing element is equipped with driving column, first opening and closing element and the second opening and closing element are integrally formed in sealing end is equipped with U-shaped frame, connecting rod is installed in the U-shaped frame, mandrel is equipped in valve body, connector is arranged on mandrel, installation cavity is equipped in the valve body, pressure is bolted in the installation cavity Power regulating mechanism, regulating mechanism and driving column are sequentially connected, its working sensitivity is higher, and valve body and internal component leakproofness are preferable, and valve security reliability is higher.
Description
Technical field
The utility model belongs to valve arrangement technical field, and in particular to a kind of industry pressure reducing valve.
Background technique
Pressure reducing valve is inlet pressure to be reduced to the outlet pressure of a certain needs, and by the energy of medium itself by adjusting
Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve is that a local resistance can become
The restricting element of change changes the kinetic energy of flow velocity and fluid, causes the different pressure losses that is, by change orifice size, from
And achieve the purpose that decompression.Then by the adjusting of control and regulating system, the fluctuation of downstream pressure is made to balance each other with spring force,
Keep constant downstream pressure in certain error range.
Many dynamical systems mostly use pneumatically in the industrial production, it is therefore desirable to the compressed air for exporting air compressor
Carrying out reduced pressure air pressure reducing valve is to provide compressed air pressure in order to produce the safe and reliable operation of energy and remain standard requirements
It is worth a kind of constant valve.Some air reducing valves are low in the prevalence of service life, pressure stability is poor at present, poor sensitivity
Problem.Furthermore the fit clearance in existing air reducing valve between valve rod and lower cover is unreasonable, and working sensitivity and leakproofness are poor,
Easily cause sealing failure.
Utility model content
The purpose of this utility model is: being intended to provide a kind of industrial pressure reducing valve, its working sensitivity is higher, valve body and inside
Component leakproofness is preferable, and valve security reliability is higher.
To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
A kind of industry pressure reducing valve, including valve body, the valve body include two valve decks being fixedly connected, the valve body right end is set
There is an air inlet pipe, the valve body left end is equipped with exhaust pipe, the first opening and closing element is slidably fitted in the air inlet pipe, in the exhaust pipe
It is slidably fitted with the second opening and closing element, the structure of first opening and closing element and the second opening and closing element is identical and is the pipe of an end closure
Shape structure, it is axial on first opening and closing element and the second opening and closing element to offer the first stomata, it is sealed on first opening and closing element
One end is equipped with driving column, first opening and closing element and the second opening and closing element and is integrally formed in sealing end equipped with U-shaped frame, the U-shaped frame
Upper installation connecting rod, the valve body is interior to be equipped with mandrel, is arranged with connector on the mandrel, the connector both ends offer cunning
Slot, the connecting rod being installed on the first opening and closing element and the second opening and closing element are arranged in respectively in the sliding slot at connector both ends, institute
It states and is equipped with installation cavity in valve body, pressure regulating mechanism is bolted in the installation cavity, the regulating mechanism and driving column transmission connect
It connects.
In the technology of above-mentioned technical proposal, the utility model has also done following improvement:
It further limits, the pressure regulating mechanism includes mechanism shell, adjusting screw rod, spring, piston and block, described
Mechanism shell is tubular structure closed at both ends, and described mechanism shell one end offers threaded hole, the other end offers through-hole, institute
It states adjusting screw rod to be bolted in threaded hole, the piston is located at adjusting screw rod side in mechanism shell, and the spring is in outside mechanism
Position and piston contact in shell, the block in mechanism shell with the spring other end in being fixedly connected, and the mechanism shell is in through-hole
One end is set on driving column.
It further limits, is equipped with reinforcing rib on the air inlet pipe and exhaust pipe.
It further limits, the reinforcing rib on the exhaust pipe is penetrated in valve body and is integrally formed with installation cavity, the exhaust
Pressure feedback hole is offered in reinforcing rib on pipe, the pressure feedback hole is connected to installation cavity, opens up on the mechanism shell
There is the second stomata.
It further limits, the distance between second stomata and threaded hole size are less than mechanism shell inner length size
And the difference of spring free length size.
It further limits, the piston and block are cylindrical structure, the cooperation between the piston and mechanism shell
Gap is 0.11mm~0.13mm, and the block outer diameter is less than the outer diameter of piston.
Further limit, the mechanism shell in threaded hole one end is rectangular body case, rest part is cylindrical shell,
Screw thread outside the mechanism shell is set on cylindrical shell.
It further limits, the rectangular body case offers annular in cylindrical housing exterior close to cylindrical shell one end
Slot, the annular groove is interior to be equipped with seal washer.
It further limits, angle of the quantity of first stomata between 3~5 and adjacent first stomata is equal.
It further limits, the adjusting screw rod external screw-thread is identical as mechanism shell external screw-thread direction.
The utility model has the beneficial effects that
Valve body is fixedly connected there are two valve deck, and sliding is equipped with the first opening and closing element and the second opening and closing in air inlet pipe and exhaust pipe
Part, the first opening and closing element and the second opening and closing element lead to fitting transmission connection, and when the first opening and closing element is mobile, connector drives second to open
Closing member is mobile, so that the first stomata is connected to start-up operation with body cavity, working sensitivity is higher；Installation cavity is set in valve body adjusts machine
Structure, which is spirally connected, to be installed in installation cavity, and leakproofness is preferable, improves the security reliability of valve, while will adjust machine by installation cavity
The isolation of structure internal component extends the service life of valve, regulating mechanism to reduce damage of the cavitation erosion to in-house component is adjusted
It is spirally connected and is mounted on valve body, replace more convenient.
Detailed description of the invention
The utility model can be further illustrated by the nonlimiting examples that attached drawing provides；
Fig. 1 is a kind of structural schematic diagram of industrial pressure reducing valve embodiment of the utility model；
Fig. 2 is that the vertical of Fig. 1 cuts structural schematic diagram；
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A；
Fig. 4 is the structural schematic diagram of mechanism shell in a kind of industrial pressure reducing valve embodiment of the utility model；
Fig. 5 is that the vertical of Fig. 4 cuts structural schematic diagram；
Fig. 6 is the structural schematic diagram of the first opening and closing element in a kind of industrial pressure reducing valve embodiment of the utility model；
Main element symbol description is as follows:
Valve body 1, air inlet pipe 21, exhaust pipe 22, the first opening and closing element 31, the first stomata 311, U-shaped frame 312, the first stomata
313, the second opening and closing element 32, block 33, driving column 34, installation cavity 4, mechanism shell 5, rectangular body case 51, cylindrical shell 52,
Second stomata 53, through-hole 54, threaded hole 55, adjusting screw rod 61, piston 62, spring 63, mandrel 71, connector 72, sliding slot 73.
Specific embodiment
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art that the utility model may be better understood
Technical solutions of the utility model further illustrate.
Embodiment
As shown in Fig. 1~Fig. 6, a kind of industrial pressure reducing valve, including valve body 1, valve body 1 include two valve decks being fixedly connected,
1 right end of valve body is equipped with air inlet pipe 21, and 1 left end of valve body is equipped with exhaust pipe 22, is slidably fitted with the first opening and closing element in air inlet pipe 21
31, it is slidably fitted with the second opening and closing element 32 in exhaust pipe 22, the first opening and closing element 31 is identical with the structure of the second opening and closing element 32 and
It is axial on the first opening and closing element 31 and the second opening and closing element 32 to offer the first stomata 311 for the tubular structure of an end closure, first
One end is sealed on opening and closing element 31 to be equipped with equipped with driving column 34, the first opening and closing element 31 and the second opening and closing element 32 in sealing end integrated molding
U-shaped frame 312 installs connecting rod 313 in U-shaped frame 312, mandrel 71 is equipped in valve body 1, is arranged with connector 72 on mandrel 71, even
72 both ends of fitting offer sliding slot 73, and the connecting rod 313 being installed on the first opening and closing element 31 and the second opening and closing element 32 is worn respectively
In in the sliding slot 73 at 72 both ends of connector, being equipped with installation cavity 4 in valve body 1, it is bolted with pressure regulating mechanism in installation cavity 4, is adjusted
Mechanism and driving column 34 are sequentially connected；Such structure design, pushes first when 21 1 end pressure of air inlet pipe is excessive when in use
Opening and closing element 31 is mobile, and the connecting rod 313 on the first opening and closing element 31 moves horizontally band follower link 72 and rotates, and connector 72 rotates
When drive 32 synchronizing moving of the second opening and closing element, the first stomata 311 is connected to start-up operation with 1 inner cavity of valve body, when 21 one end of air inlet pipe
63 return of spring pushes block 33 is mobile to drive 31 return of the first opening and closing element, the first stomata by driving column 32 after drop of pressure
311 are isolated with 1 inner cavity of valve body and stop working.
Preferably, pressure regulating mechanism includes mechanism shell 5, adjusting screw rod 61, spring 63, piston 62 and block 33, machine
Structure shell 5 is tubular structure closed at both ends, and 5 one end of mechanism shell offers threaded hole 55, the other end offers through-hole 54, is adjusted
Section screw rod 61 is bolted in threaded hole 55, and piston 62 is located at 61 side of adjusting screw rod in mechanism shell 5, and spring 63 is in mechanism shell
Position is contacted with piston 62 in 5, and block 33 in mechanism shell 5 with 63 other end of spring in being fixedly connected, and mechanism shell 5 is in through-hole 54
One end is set on driving column 34；Such structure design, regulating device replacement is convenient, the direct rotating mechanism shell in replacement
5 can screw out regulating mechanism, and regulating mechanism right end is spirally connected first as on valve body 1 when replacing regulating mechanism, it is ensured that regulating mechanism
Position, which continues to rotate, can be such that through-hole 54 accurately docks with the completion of driving column 34.
Preferably, reinforcing rib 23 is equipped on air inlet pipe 21 and exhaust pipe 22；Such structure design, makes 21 He of air inlet pipe
Exhaust pipe 22 is not susceptible to bending deformation, so that avoiding result in the first opening and closing element 31 and the second opening and closing element 32 can not be moved.
Preferably, the reinforcing rib 23 on exhaust pipe 22 is penetrated in valve body 1 and is integrally formed with installation cavity 4, exhaust pipe 22
On reinforcing rib 23 in offer pressure feedback hole 231, pressure feedback hole 231 is connected to installation cavity 4, is opened up on mechanism shell 5
There is the second stomata 53；Such structure design, when valve working, pressure increases in exhaust pipe 22, to make 5 internal pressure of mechanism shell
Strong to rise, being forced by the feedback pressure of exhaust pipe 22 keeps piston 62 mobile, makes 31 return of the first opening and closing element, security reliability compared with
It is good.
Preferably, the distance between the second stomata 53 and threaded hole 55 size be less than 5 inner length size of mechanism shell with
The difference of 63 drift size of spring；Such structure design, it is ensured that the second stomata 53 is always in piston 62 far from spring 63
One end makes the effect of 22 internal feedback pressure of exhaust pipe remain best.
Preferably, piston 62 and block 33 are cylindrical structure, and the fit clearance between piston 62 and mechanism shell 5 is
0.11mm~0.13mm, 33 outer diameter of block are less than the outer diameter of piston 62；Such structure design, makes piston 62 exist
It is slidable to keep preferable air-tightness simultaneously, be conducive to the effect for keeping 22 internal feedback pressure of exhaust pipe.
Preferably, mechanism shell 5 is in 55 one end of threaded hole is rectangular body case 51, rest part is cylindrical shell 52,
Screw thread outside mechanism shell 5 is set on cylindrical shell 52；Such structure design, 5 external structure of mechanism shell and screw
The similar installation for facilitating regulating mechanism, while rectangular body case 51 can play position-limiting action, avoid 5 transition of mechanism shell be spirally connected as
In valve body 1.
Preferably, rectangular body case 51 offers annular outside cylindrical shell 52 close to 52 one end of cylindrical shell
Slot, annular groove is interior to be equipped with seal washer；Such structure design, improves leakproofness.
Preferably, angle of the quantity of the first stomata 311 between 3~5 and adjacent first stomata 311 is equal；In this way
Structure design, in the exhaust of the first stomata 311,31 radial force of the first opening and closing element is uniform, avoids the first opening and closing element 31 long-term
Unevenly being caused the first opening and closing element 31 to deform by radial force causes air-tightness to decline.
Preferably, 61 external screw-thread of adjusting screw rod is identical as 5 external screw-thread direction of mechanism shell；Such structure design,
When rotating adjusting screw rod 61 and changing compressed spring 63, required torsion is larger, the rotation direction and mechanism shell 5 of adjusting screw rod 61
It is identical to be screwed into direction, to avoid rotation adjusting screw rod 61 that mechanism shell is caused to loosen.
A kind of industrial pressure reducing valve provided by the utility model is described in detail above.The explanation of specific embodiment is only
It is the method and its core concept for being used to help understand the utility model.It should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model,
Modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (10)
1. a kind of industry pressure reducing valve, including valve body (1), it is characterised in that: the valve body (1) includes two valves being fixedly connected
Lid, valve body (1) right end are equipped with air inlet pipe (21), and valve body (1) left end is equipped with exhaust pipe (22), the air inlet pipe (21)
It is inside slidably fitted with the first opening and closing element (31), is slidably fitted with the second opening and closing element (32) in the exhaust pipe (22), described first
Opening and closing element (31) is identical with the structure of the second opening and closing element (32) and is the tubular structure of an end closure, first opening and closing element
(31) and on the second opening and closing element (32) it axially offers the first stomata (311), seals one end on first opening and closing element (31)
Equipped with driving column (34), first opening and closing element (31) and the second opening and closing element (32) are integrally formed in sealing end and are equipped with U-shaped frame
(312), connecting rod (313) are installed on the U-shaped frame (312), are equipped with mandrel (71) in the valve body (1), the mandrel (71)
On be arranged with connector (72), connector (72) both ends offer sliding slot (73), described to be installed on the first opening and closing element (31)
It is arranged in respectively with the connecting rod (313) on the second opening and closing element (32) in the sliding slot (73) at connector (72) both ends, the valve body
(1) installation cavity (4) are equipped in, are bolted with pressure regulating mechanism in the installation cavity (4), the regulating mechanism and driving column (34)
Transmission connection.
2. a kind of industrial pressure reducing valve according to claim 1, it is characterised in that: the pressure regulating mechanism includes outside mechanism
Shell (5), adjusting screw rod (61), spring (63), piston (62) and block (33), the mechanism shell (5) are pipe closed at both ends
Shape structure, described mechanism shell (5) one end offers threaded hole (55), the other end offers through-hole (54), the adjusting screw rod
(61) it is bolted in threaded hole (55), the piston (62) is located at mechanism shell (5) interior adjusting screw rod (61) side, the spring
(63) it is contacted in mechanism shell (5) interior position with piston (62), the block (33) is in another with spring (63) in mechanism shell (5)
End is fixedly connected, and described mechanism shell (5) Yu Tongkong (54) one end is set on driving column (34).
3. a kind of industrial pressure reducing valve according to claim 2, it is characterised in that: the air inlet pipe (21) and exhaust pipe (22)
On be equipped with reinforcing rib (23).
4. a kind of industrial pressure reducing valve according to claim 3, it is characterised in that: the reinforcing rib on the exhaust pipe (22)
(23) it penetrates in valve body (1) and is integrally formed with installation cavity (4), offered in the reinforcing rib (23) on the exhaust pipe (22)
Pressure feedback hole (231), the pressure feedback hole (231) are connected to installation cavity (4), and is offered on the mechanism shell (5)
Two stomatas (53).
5. a kind of industrial pressure reducing valve according to claim 4, it is characterised in that: second stomata (53) and threaded hole
The distance between (55) size is less than the difference of mechanism shell (5) inner length size and spring (63) drift size.
6. a kind of industrial pressure reducing valve according to claim 5, it is characterised in that: the piston (62) is with block (33)
Cylindrical structure, the fit clearance between the piston (62) and mechanism shell (5) are 0.11mm~0.13mm, the block
(33) outer diameter is less than the outer diameter of piston (62).
7. a kind of industrial pressure reducing valve according to claim 5, it is characterised in that: the mechanism shell (5) is in threaded hole
(55) one end is rectangular body case (51), rest part is cylindrical shell (52), and the external screw thread of the mechanism shell (5) is set
In on cylindrical shell (52).
8. a kind of industrial pressure reducing valve according to claim 7, it is characterised in that: the rectangular body case (51) is close to cylinder
Shape shell (52) one end offers annular groove outside cylindrical shell (52), is equipped with seal washer in the annular groove.
9. a kind of industrial pressure reducing valve according to claim 8, it is characterised in that: the quantity of first stomata (311) is 3
Angle between~5 and adjacent first stomata (311) is equal.
10. a kind of industrial pressure reducing valve according to claim 9, it is characterised in that: adjusting screw rod (61) external screw-thread
It is identical as mechanism shell (5) external screw-thread direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391530.3U CN208764436U (en) | 2018-08-28 | 2018-08-28 | A kind of industry pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391530.3U CN208764436U (en) | 2018-08-28 | 2018-08-28 | A kind of industry pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764436U true CN208764436U (en) | 2019-04-19 |
Family
ID=66133738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821391530.3U Expired - Fee Related CN208764436U (en) | 2018-08-28 | 2018-08-28 | A kind of industry pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764436U (en) |
-
2018
- 2018-08-28 CN CN201821391530.3U patent/CN208764436U/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: 20190419 Termination date: 20210828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |