CN208734903U - A kind of regulating valve - Google Patents
A kind of regulating valve Download PDFInfo
- Publication number
- CN208734903U CN208734903U CN201821341338.3U CN201821341338U CN208734903U CN 208734903 U CN208734903 U CN 208734903U CN 201821341338 U CN201821341338 U CN 201821341338U CN 208734903 U CN208734903 U CN 208734903U
- Authority
- CN
- China
- Prior art keywords
- conducting element
- medium
- helical pipe
- deceleration
- cage
- 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.)
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Abstract
The utility model discloses a kind of regulating valve, including valve rod, the stem bottom connects spool, the spool bottom connects conducting element, and helical pipe is equipped in the conducting element, is equipped with deceleration cage in media outlet channel, partition is equipped in the deceleration cage, the partition is equipped with hole.Conducting element is arranged in regulation valve core lower part in the utility model, helical pipe is equipped in conducting element, valve opening medium is when flowing through double helix pipeline, the stroke of medium is elongated, and the direction of motion of the medium in helical pipe changes always, the a large amount of frictional force generated in this course can reduce the flowing velocity of medium, after medium outflow conducting element enters deceleration cage, in the space that partition in deceleration cage equipped with hole is constituted, medium, which collides with each other, loses speed, the flowing velocity of medium reduces again, effectively avoids flash distillation and the generation of cavitation.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of regulating valve.
Background technique
The medium flowed in regulating valve, it occur frequently that the phenomenon that flash distillation and cavitation erosion, since the seal line of spool and valve seat is attached
The speed highest of nearly fluid, therefore destroy and also occur in here, after flash distillation destroys, valve core outer surface has one of polishing scratch.Cavitation erosion hair
Rupture, all energy concentrate on breakdown point, generate great impact force anger bubble suddenly, up to thousands of newton, therefore tight
Spool, valve seat and valve body are collided and destroyed in important place.
In conclusion the surface layer of spool is also easy to produce polishing scratch, form that one coarse, the outer surface as cinder hole, and is accompanied by
Serious noise and vibration directly affect the service life of valve, need to develop a kind of regulating valve, can reduce the flowing speed of medium
Degree, is effectively prevented from flash distillation and the generation of cavitation.
Utility model content
The purpose of this utility model is to develop one kind to increase conducting element in spool bottom and set at media outlet channel
Deceleration cage is set, medium is made mutually to collide the regulating valve for reducing media flow speed under the action of frictional force and between medium.
The utility model is realized by the following technical solutions:
A kind of regulating valve, including valve rod, the stem bottom connect spool, and the spool bottom connects conducting element, described
Helical pipe is equipped in conducting element, when medium passes through helical pipe, the direction of motion of the medium in helical pipe changes always, increases
The frictional force that medium is subject in helical pipe is added, a large amount of frictional force generated in this course can reduce the stream of medium
Dynamic speed, institute's conducting element change the conveying direction of medium and slow down to medium；Deceleration cage, institute are equipped in media outlet channel
It states and is equipped with partition in deceleration cage, the partition is equipped with hole, when medium flows through deceleration cage, medium structure between partition and partition
At space pass through when must mutually collide, a part of kinetic energy of the dielectric loss after collision, reach again reduce media flow speed
The purpose of degree.
Further, the entrance of the helical pipe in the conducting element is located at conducting element bottom, entrance and helical pipe it
Between have one section of vertical pipeline, the outlet of helical pipe is located at conducting element and is located at media outlet channel side, outlet and helical pipe
Between have one section of tilted tube.
Further, the hole in the deceleration cage in adjacent separator is not at same level, when increase medium passes through
The probability to collide with each other.
Further, the body base of the regulating valve is equipped with access hole, and the access hole is set to below conducting element, maintenance
It is equipped with internal screw thread in mouthful, conducting element can be removed by access hole, conducting element is cleared up or safeguarded.
Further, silk plug is equipped in the access hole, the silk plug is equipped with external screw thread, and silk plug and access hole screw thread connect
It connects, under working condition, silk plug blocks access hole, when needing to overhaul, removes silk plug and is overhauled by access hole to regulating valve.
The beneficial effects of the utility model are:
Conducting element is arranged in regulation valve core lower part in the utility model, and helical pipe is equipped in conducting element, and valve opening is situated between
For matter when flowing through double helix pipeline, the stroke of medium is elongated, and the direction of motion of the medium in helical pipe changes always, at this
The a large amount of frictional force generated during one can reduce the flowing velocity of medium, after medium outflow conducting element enters deceleration cage,
In the space that partition in deceleration cage equipped with hole is constituted, medium, which collides with each other, loses speed, and the flowing velocity of medium is again
It reduces, effectively avoids flash distillation and the generation of cavitation.
Detailed description of the invention
Fig. 1 is the utility model structure chart；
Fig. 2 is conducting element structure chart；
Fig. 3 is conducting element top view；
Fig. 4 deceleration basket structure figure；
Wherein:
1, handwheel；2, valve deck；3, valve rod；4, deceleration cage；41, partition；411, first partition；412, second partition；42, circle
Shape hole；5, spool；6, conducting element；61, helical pipe；611, the first helical pipe；612, the second helical pipe；613, third
Helical pipe；614, the 4th helical pipe；62, tilted tube；621, the first tilted tube；622, the second tilted tube；623,
Third tilted tube；624, the 4th tilted tube；7, media outlet channel；8, valve body；9, silk plug；10, access hole.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described further the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Fig. 1 ~ 4, present embodiment discloses a kind of regulating valve, including valve body 8, valve deck is equipped with outside the valve body 8
2, the valve deck 2 increases the integral strength of regulating valve to sealed valve body 8, and 8 top of valve body is equipped with handwheel 1, and the handwheel 1 is logical
It crosses acorn nut to be fixed on valve rod 3, spring washer and plain cushion is equipped between the acorn nut and valve rod 3.
3 bottom of valve rod of regulating valve connects spool 5, and 5 lower part of spool is equipped with conducting element 6, and 6 top of conducting element is in
Cylinder, for 6 lower part of conducting element in cone, circular cone bottom surface circular diameter is identical as body diameter, and 6 lower part of conducting element is set as cone
The resistance generated when conducting element 6 moves downward can be reduced, external screw thread is equipped at the top of conducting element 6,5 bottom of spool is equipped with internal screw thread,
6 top of conducting element is connect with 5 bottom thread of spool.
Four groups of pipelines in vertical direction in Double-spiral are equipped in conducting element 6, the pipeline of the Double-spiral is similar to
Two helical structures in DNA double spiral, two helical pipes 61 in every group of pipeline are independent mutually, above-mentioned eight helical pipes
61 pipe diameter, screw diameter, screw pitch and inclination angle are identical, according to the difference of the total length of 61 spiral part of helical pipe,
614 4 kinds of the first helical pipe 611, the second helical pipe 612, third helical pipe 613 and the 4th helical pipe can be divided into, often
There are two kind helical pipes 61, and the first helical pipe 611 and the second helical pipe 612 are one group, shares two groups, third helix tube
Road 613 and the 4th helical pipe 614 are one group, share two groups, first helical pipe 611, the second helical pipe 612, the
The total length of three helical pipes 613 and 614 spiral part of the 4th helical pipe is sequentially reduced；In same level, four groups of pipes
The line of road position is square, and square center is the center of circle of 6 cross section of conducting element, and such arrangement makes to be situated between
When matter circulates in conducting element 6, the power distribution that conducting element 6 is subject to is more uniform, reduces medium and conveys generation in conducting element 6
Vibration, the purpose using the pipeline of Double-spiral are also in this way, because two helical pipes 61 in every group of pipeline are in same water
The power generated in plane is cancelled out each other, and medium is rotated in helical pipe 61 when rising, and the stroke of medium increases, medium
Kinetic energy is reduced, and the direction of motion of the medium in helical pipe 61 changes always, increase medium in helical pipe 61 by
The frictional force arrived, a large amount of frictional force generated in this course can reduce the flowing velocity of medium.
The entrance of helical pipe 61 is located on 6 bottom circular conical surface of conducting element, the entrance and helical pipe 61 of helical pipe 61
Between have one section of vertical pipeline, specifically, the junction of eight helical pipes 61 and the vertical pipeline of its underpart in the present embodiment
It is located in the same horizontal plane, the length of the vertical pipeline of 611 lower part of the first helical pipe and erecting for 613 lower part of third helical pipe
The length of straight pipeline is identical, the length of the vertical pipeline of 612 lower part of the second helical pipe and erecting for 614 lower part of the 4th helical pipe
The length of straight pipeline is identical, and the pipe diameter of the vertical pipeline of eight 61 lower parts of helical pipe is identical.
The outlet of helical pipe 61 is located at the top that conducting element 6 is located at 7 side of media outlet channel, eight helical pipes 61
Outlet in same perpendicular, eight outlets can be divided into four rows in the perpendicular, every row there are two outlet and it
Line be parallel to horizontal plane, the outlet of the four rows helical pipe 61 is followed successively by two the first helical pipes from top to bottom
Two of 611 outlets, two outlets of two the second helical pipes 612, two outlets and two of two third helical pipes 613
The line of two outlets of a 4th helical pipe 614, each outlet and the outlet of its underpart is perpendicular to horizontal plane.
There is one section of tilted tube 62 between the outlet and helical pipe 61 of helical pipe 61, according to the difference of tilted tube 62
It can be divided into the first tilted tube 621, the second tilted tube 622, third tilted tube 623 and the 4th tilted tube 624, described
One tilted tube 621, the second tilted tube 622, third tilted tube 623 and the 4th tilted tube 624 respectively with the first spiral
Pipeline 611, the second helical pipe 612, third helical pipe 613 and the connection of the 4th helical pipe 614, the first tilted tube 621,
The length of second tilted tube 622, third tilted tube 623 and the 4th tilted tube 624 is sequentially reduced, the first tilted tube
621 outlet end tilts down, and the outlet end of the second tilted tube 622 tilts upwards, the outlet end of third tilted tube 623 to
Lower inclination, the outlet end of the 4th tilted tube 624 tilt upwards, when medium is flowed out from the first tilted tube 621, the flowing of medium
Direction is downward, and when medium is flowed out from the second tilted tube 622, the flow direction of medium is upward, and described two tilted tubes
62 outlet can be collided mutually in same vertical line, the medium of two outlet outflows, a part of kinetic energy of the dielectric loss after collision,
The flowing velocity of medium reduces again, and similarly, the medium flowed out from third tilted tube 623 and the 4th tilted tube 624 is also
So.
6 lower body 8 of conducting element be equipped with access hole 10, the access hole 10 be cylinder, the diameter of access hole 10 with
The diameter of 6 top cross section of conducting element is identical, when spool 5 is in range downwards, a part insertion of 6 lower part of conducting element
In access hole 10, it is equipped with internal screw thread in access hole 10, under working condition, silk plug 9 is equipped in access hole 10, silk plug 9 is equipped with outer
Screw thread, silk plug 9 are threadedly coupled with access hole 10.
Deceleration cage 4 is equipped at media outlet channel 7,4 shape of deceleration cage is cube, the external dimensions of deceleration cage 4
Identical as media outlet channel 7, medium can only be flowed out through deceleration cage 4,4 inner hollow of deceleration cage, and hollow space shape is cube
Body, hollow space penetrate two faces of the deceleration cage 4 on flow of media direction, are set in hollow space there are four partition 41, described
Partition 41 is vertically arranged, and the size of partition 41 is identical as the size of hollow space cross section, the spacing distance phase of four partitions 41
Together.
Partition 41 is equipped with circular hole 42, and the difference of quantity and position according to circular hole 42 can be by partition
41 points are first partition 411 and second partition 412, and the first partition 411 is equipped with four row circular holes 42, and every row is equipped with four
A circular hole 42, the line of the circular hole 42 in every row are parallel to horizontal plane, each circular hole 42 and upper part or under
The line of the circular hole 42 in portion is perpendicular to horizontal plane, on vertically and horizontally, two adjacent circular holes 42
Distance be circular hole 42 diameter；Between the size of circular hole 42 on the second partition 412, circular hole 42
Spacing and arrangement mode are identical as first partition 411, second partition 412 be equipped with three row circular holes 42, if by first every
Plate 411 and second partition 412 are overlapped, and the circular hole 42 of second partition 412 is located just at about 411 two circles of first partition
The centre of hole 42, two circular holes above and below circular hole 42 and 411 corresponding position of first partition on second partition 412
42 is tangent, in the medium flow direction, four partitions 41 be followed successively by first partition 411, second partition 412, first partition 411,
Second partition 412, when medium flows through deceleration cage 4, since the circular hole 42 on adjacent partition 41 is not in same level,
The space that medium is constituted between partition 41 and partition 41 must mutually collide when passing through, and the medium after collision loses one again
Transfer energy achievees the purpose that reduce media flow speed again.
When the valve of either on or off, rotate handwheel 1, valve rod 3 moves upwards with movable valve plug 5, spool 5 drive conducting element 6 to
Upper movement, when the outlet of the helical pipe 61 of 6 side of conducting element, which rises to, is in same level with media outlet channel 7,
Medium rises in 61 inside spin of helical pipe, and the direction of motion of the medium in helical pipe 61 changes always, in this course
The a large amount of frictional force generated can reduce the flowing velocity of medium, when medium reaches the top of helical pipe 61, into tipping tube
Road 62, two tilted tubes 62 mutually opposite other side's inclination in the vertical direction in every group of helical pipe 61, medium is from tipping tube
Road 62 mutually collides after flowing out, a part of kinetic energy of the dielectric loss after collision, reduces the flowing velocity of medium again, and medium is from leading
It flows after part 6 flows out and enters deceleration cage 4, since the circular hole 42 on adjacent partition 41 is not in same level, medium exists
The space constituted between partition 41 and partition 41 must mutually collide when passing through, and it is dynamic that the medium after collision loses a part again
Can, achieve the purpose that reduce media flow speed again, the flowing velocity of medium reduces, and effectively prevent flash distillation and cavitation
It generates, reduces the damage that valve opening moment medium generates valve.
The access hole 10 of 6 lower section of conducting element can remove silk plug 9 under valve off working state, then be taken by access hole 10
Lower diversion piece 6 is cleared up or is maintained to conducting element 6, can also be checked to valve seat inside and maintenance and repair.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model
System, as long as being regarded as falling into without the technical solution that creative work can be realized on the basis of the above embodiments
In the rights protection scope of the utility model patent.
Claims (5)
1. a kind of regulating valve, including valve rod (3), valve rod (3) bottom connects spool (5), it is characterised in that: the spool
(5) bottom connection conducting element (6), the conducting element (6) is interior to be equipped with helical pipe (61), and the conducting element (6) carries out medium
Slow down；Deceleration cage (4) are equipped in media outlet channel (7), are equipped with partition (41) in the deceleration cage (4), the partition (41)
It is equipped with hole, the deceleration cage (4) slows down the medium that conducting element flows out again.
2. regulating valve according to claim 1, it is characterised in that: helical pipe (61) in the conducting element (6) enter
Mouth is located at conducting element (6) bottom, and the outlet of helical pipe (61) is located at conducting element (6) and is located at media outlet channel (7) side.
3. regulating valve according to claim 1, it is characterised in that: the hole in the interior adjacent separator of the deceleration cage (4) (41)
Hole is not at same level.
4. regulating valve according to claim 1, it is characterised in that: valve body (8) bottom of the regulating valve is equipped with access hole
(10), the access hole (10) is set to below conducting element (6), and internal screw thread is equipped in access hole (10).
5. regulating valve according to claim 4, it is characterised in that: be equipped with silk plug (9) in the access hole (10), the silk
Stifled (9) are equipped with external screw thread, and silk plug (9) is threadedly coupled with access hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821341338.3U CN208734903U (en) | 2018-08-20 | 2018-08-20 | A kind of regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821341338.3U CN208734903U (en) | 2018-08-20 | 2018-08-20 | A kind of regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734903U true CN208734903U (en) | 2019-04-12 |
Family
ID=66030232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821341338.3U Expired - Fee Related CN208734903U (en) | 2018-08-20 | 2018-08-20 | A kind of regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498527A (en) * | 2023-05-19 | 2023-07-28 | 大连恒昇机械有限公司 | Multi-stage dry vacuum pump energy-saving valve for high-end equipment dust-free workshop and energy-saving method |
-
2018
- 2018-08-20 CN CN201821341338.3U patent/CN208734903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498527A (en) * | 2023-05-19 | 2023-07-28 | 大连恒昇机械有限公司 | Multi-stage dry vacuum pump energy-saving valve for high-end equipment dust-free workshop and energy-saving method |
| CN116498527B (en) * | 2023-05-19 | 2023-11-03 | 大连恒昇机械有限公司 | Multi-stage dry vacuum pump energy-saving valve for high-end equipment dust-free workshop and energy-saving method |
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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: 20190412 Termination date: 20200820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |