CN208804251U - A kind of high-differential-pressure regulating valve with throttling set - Google Patents
A kind of high-differential-pressure regulating valve with throttling set Download PDFInfo
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- CN208804251U CN208804251U CN201821453557.0U CN201821453557U CN208804251U CN 208804251 U CN208804251 U CN 208804251U CN 201821453557 U CN201821453557 U CN 201821453557U CN 208804251 U CN208804251 U CN 208804251U
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- valve
- throttling set
- runner
- link block
- differential
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Abstract
The utility model discloses a kind of high-differential-pressure regulating valves with throttling set, it is intended to provide a kind of regulating valve convenient for control valve circulation medium flow, its key points of the technical solution are that, including valve body, the valve inner is equipped with liquid outlet channel, the side of the liquid outlet channel is connected with throttling set, the throttling set includes the first runner connecting with liquid outlet channel, several link blocks and the second flow channel being connect with link block far from first runner one end that first runner is equipped with far from liquid outlet channel one end, the side of the link block is equipped with the first inserting block with link block one, the other side of the link block is equipped with the first card slot, the inside of the link block is equipped with throttling runner, it is in plug in construction between several link blocks.
Description
Technical field
The utility model relates to valve manufacture field, in particular to a kind of high-differential-pressure regulating valve with throttling set.
Background technique
Regulating valve also known as control valve, in industrial automation process control field, by receiving regulation unit output
Control signal, the final control element for changing rate-of flow, pressure, temperature, the technological parameters such as liquid level is removed by power operation,
Regulating valve is generally made of executing agency and valve, and in the automatic control of modern plant, regulating valve plays highly important
Effect, the production of these factories depend on the medium that flows and correctly distributes and control, these control the either exchange of energy,
The either simple container charging of the reduction of pressure, requires certain final control elements and goes to complete.
Currently, the Chinese patent of Publication No. CN207145717U discloses a kind of regulating valve, including valve body, limit in valve body
Surely have a runner, valve seat is located in runner and be connected with runner, and valve deck is connected with valve seal, valve deck equipped with along its axially through
Mounting hole, valve rod are movably located on valve deck, and one end of valve rod passes through mounting hole and protrudes into runner, and valve flap is located at valve rod
The one end protruded into runner, flap and valve seat movably cooperate to be connected and disconnect runner, and seal assembly is located on valve deck
With the gap between sealed valve stem and valve deck and limit valve rod activity displacement
Although this regulating valve changes the structure inside regulating valve by reasonably design to improve the close of valve
Effect is sealed, dielectric leakage is avoided, extends the service life of regulating valve, the accuracy for adjusting control is improved, but can not control
The uninterrupted of flow media in regulating valve processed.
Utility model content
The purpose of the utility model is to provide a kind of high-differential-pressure regulating valve with throttling set, have convenient for controlling to adjust
In valve the advantages of throughput of flowing medium size.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of regulating valve with throttling set, including valve body, the valve inner are equipped with liquid outlet channel, the liquid outlet channel
Side be connected with throttling set, the throttling set includes the first runner connecting with liquid outlet channel, first runner far from going out
Several link blocks and the second flow channel being connect with link block far from first runner one end that liquid one end of the channel is equipped with, the link block
Side be equipped with the first inserting block with link block one, the other side of the link block is equipped with the first card slot, the link block
Inside be equipped with throttling runner, be in plug in construction between several link blocks.
By using above-mentioned technical proposal, the link block in fluid means is detachable structure, inside link block
Runner throttle to the effect for reducing the medium generation local contraction for flowing into regulating valve, to reduce the static pressure of flow media
Difference, changes the flow velocity and uninterrupted of flow media, before and after link block the static pressure difference of flow media can by conversion from
And the flow of flow media is specifically measured, and it is plug in construction between link block, it is easy to removal and installation, so as to easily
The quantity for adjusting link block, can control the uninterrupted of valve internal flow media by the link block of different number
System, to adapt to the uninterrupted demand in practical application under different operating conditions, and the plug in construction between inserting block is compared
More closely in common connection type, the gap of generation is smaller, and sealing performance is preferable, is easy to fixed.
Further setting: being equipped with the first lid, be equipped with the second lid outside the second flow channel outside the first runner,
The clamping screw through the two is equipped between first lid and the second lid, the fixing bolt both ends are threaded with fixation
Nut.
The lid being equipped with by using above-mentioned technical proposal, outside runner plays sealing process to runner, first runner and the
The clamping screw being threadedly coupled between two runners can not only fixed restriction device overall structure, and can squeeze and set between runner
Some link blocks promote the sealing performance of throttling set.
Further setting: second inserting block of first lid close to one end of link block equipped with protrusion, described second
Lid is equipped with the second card slot close to one end of link block, and first inserting block is inserted into the second card slot, second inserting block
It is inserted into the first card slot.
By using above-mentioned technical proposal, plug in construction is formed between link block, the first lid and the second lid, ensures section
Flow the stability of apparatus structure.
Further setting: the first seal washer is filled between first inserting block and the second card slot, if the involvement
It connects between block filled with the second seal washer.
By using above-mentioned technical proposal, the seal washer being equipped between link block, the first lid and the second lid can increase
The leakproofness of strong throttling set prevents circulation medium in runner from generating the situation leaked.
Further setting: the liquid outlet channel is equipped with valve cage far from one end of throttling set, offers hole on the valve cage
Hole, the valve cage bottom are equipped with valve seat, integral type spool are equipped between the valve seat, it is logical that the seat bottom portion is connected with feed liquor
Road is filled with valve seat gasket between the valve seat and valve body.
By using above-mentioned technical proposal, integral type spool can ensure the bonding strength between spool itself component, increase
The stability of strong valve core structure promotes it in durability high-intensitive, under high pressure operating condition, extends the service life of valve, valve
Seat can support integral type spool and be fixed in valve internal, and valve seat gasket enhances the sealing performance of valve seat, valve cage energy
The flow velocity for enough reducing valve internal circulation medium, plays the role of buffering, prevents the high pressure of medium from washing away to valve internal component
It damages, while reducing Oscillation Amplitude when valve running, reduce noise.
Further setting: the body top is equipped with valve deck, and bonnet gasket, the valve are equipped between the valve deck and valve body
Cover the first fixing bolt being equipped with through valve deck and valve body.
By using above-mentioned technical proposal, bonnet gasket enhances the leakproofness between valve body and valve deck, works as valve internal
Structure can be effectively prevented valve internal circulation medium and leak from the gap between valve body and valve deck when being damaged.
Further setting: being connected with valve rod at the top of the valve cage, and airtight and watertight padding, institute are filled between the valve rod and valve deck
It states and is equipped with gland at the top of airtight and watertight padding, the valve deck screw top is connected with the second fixed spiral shell for compressing gland
Bolt.
By using above-mentioned technical proposal, airtight and watertight padding is used to enhance the sealing performance of valve rod, prevents the circulation in valve
Medium is leaked from valve top part, and gland can give airtight and watertight padding certain pressing force, enhances the close of airtight and watertight padding
Envelope effect performance, the second fixing bolt can be pressed further by gland to give airtight and watertight padding bigger pressing force, into one
Step enhances sealing performance.
In conclusion the utility model has the following beneficial effects: be convenient for control valve flow media flow, convenient for pair
It is measured by the rate-of flow after valve, valve internal sealing structure performance is good, long service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of throttling set in embodiment 1；
Fig. 3 is the structural schematic diagram of regulating valve in embodiment 1；
In figure, 1, valve body；2, liquid outlet channel；3, feed pathway；4, throttling set；41, first runner；42, link block；
43, second flow channel；44, the first inserting block；45, the first card slot；46, throttle runner；5, the second inserting block；6, the second card slot；7,
First lid；8, the second lid；9, clamping screw；10, fixture nut；11, the first seal washer；12, the second seal washer；
13, valve cage；14, hole；15, valve seat；16, integral type spool；17, valve seat gasket；18, valve deck；19, bonnet gasket；20, first
Fixing bolt；21, valve rod；22, airtight and watertight padding；23, gland；24, the second fixing bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: a kind of regulating valve with throttling set, as shown in Figure 1, Figure 2 and Figure 3, including valve body 1, inside valve body 1
Equipped with feed pathway 3 and liquid outlet channel 2, one end of liquid outlet channel 2 is equipped with the throttling being connected with for controlling rate-of flow size
Device 4, throttling set 4 include the first runner 41 connecting with liquid outlet channel 2, side of the first runner 41 far from liquid outlet channel 2
Equipped with the second inserting block 5, first runner 41 is also connected with far from liquid outlet channel 2 there are four link block 42, and link block 42 is close to first
The side of runner 41 is equipped with the first card slot 45, and the first card slot 45 forms plug-in type knot for being used cooperatively with the second inserting block 5
Structure, the inside of link block 42 are equipped with throttling runner 46, and link block 42 is equipped with the first inserting block 44 far from the side of first runner 41,
It is mutually inserted fixed between four link blocks 42 and is connected to the throttling runner 46 inside inserting block, link block 42 is far from first-class
The side in road 41 is also connected with second flow channel 43, and second flow channel 43 is equipped with for cooperatively forming plug-in type with the first inserting block 44
Second card slot 6 of structure is equipped with the first lid 7 outside first runner 41, is equipped with the second lid 8 outside second flow channel 43, and first
The clamping screw 9 through the first lid 7 and the second lid 8, the both ends screw thread of clamping screw 9 are equipped between lid 7 and the second lid 8
It is connected with fixture nut 10, the first seal washer 11, four link blocks 42 are filled between the first inserting block 44 and the second card slot 6
Between be filled with the second seal washer 12.
As shown in Figure 1, Figure 2 and Figure 3, valve body 1 is internally located at feed pathway 3 and the junction of liquid outlet channel 2 is equipped with valve seat
15, it is filled with 15 gasket of valve seat for seal valve seat 15 between valve seat 15 and valve body 1, is equipped with integral type spool between valve seat 15
16, liquid outlet channel 2 is equipped with the valve cage 13 worked as a buffer far from one end of throttling set 4, opens up hole 14, valve on valve cage 13
Be connected with valve rod 21 at the top of cage 13, valve deck 18 be equipped at the top of valve body 1, be equipped between valve body 1 and valve deck 18 for sealed valve body 1 and
18 gasket of valve deck of valve deck 18 is threaded with the first fixing bolt through valve body 1 and valve deck 18 between valve body 1 and valve deck 18
20, the airtight and watertight padding 22 filled with the valve top part for sealing between valve rod 21 and valve deck 18, the top of airtight and watertight padding 22 is set
Have for compressing 22 gland 23 of airtight and watertight padding, 18 screw top of valve deck is connected with for compressing gland 23 second solid
Determine bolt 24.
In the embodiments of the present invention, the circulation medium in valve flows into valve internal by feed pathway 3, by valve
Core is flow to inside valve cage 13, and by buffer function inside valve cage 13, the flow velocity of medium reduces medium, after buffering medium from
Liquid outlet channel 2 is flowed out into the hole 14 opened up on valve cage 13, medium enters throttling set 4 after flowing out liquid outlet channel 2, first
The first runner 41 being introduced into throttling set 4, at this time in valve the flow velocity of circulation medium with by valve cage 13 buffering after Jie
Mass flow speed is identical, and then medium enters the throttling runner 46 in link block 42, significantly due to throttling 46 actual internal area of runner
It reduces, circulation medium is forming local contraction, and the flow velocity of circulation medium increases in throttling set 4, and static pressure reduces, and flow generates
Variation, after circulation medium flows through whole throttling runners 46, rate-of flow size reaches expected numerical value, finally from second
The outflow of road 43 enters next link of operating condition.When needing to adjust the uninterrupted of final outflow medium, fixture nut 10 is screwed off
And clamping screw 9 is removed from the first lid 7 and the second lid 8, the number of link block 42 can be adjusted at this time, according to different
Operating condition needs to install the link block 42 of corresponding different number.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of high-differential-pressure regulating valve with throttling set, including valve body (1), the valve body (1) is internal to be equipped with liquid outlet channel
(2), it is characterised in that: the side of the liquid outlet channel (2) is connected with throttling set (4), and the throttling set (4) includes and goes out
Several link blocks that first runner (41), the first runner (41) of liquid channel (2) connection are equipped with far from liquid outlet channel (2) one end
(42) and with link block (42) second flow channel (43) being connect far from first runner (41) one end, the side of the link block (42)
Equipped with the first inserting block (44) with link block (42) one, the other side of the link block (42) is equipped with the first card slot (45),
The inside of the link block (42) is equipped with throttling runner (46), is in plug in construction between several link blocks (42).
2. a kind of high-differential-pressure regulating valve with throttling set according to claim 1, it is characterised in that: the first runner
(41) external to be equipped with the first lid (7), be equipped with the second lid (8) outside the second flow channel (43), first lid (7) with
The clamping screw (9) through the two is equipped between second lid (8), clamping screw (9) both ends are threaded with fixture nut
(10)。
3. a kind of high-differential-pressure regulating valve with throttling set according to claim 2, it is characterised in that: first lid
(7) the second inserting block (5) of protrusion is equipped with close to the one end of link block (42), second lid (8) is close to link block (42)
One end be equipped with the second card slot (6), in first inserting block (44) insertion the second card slot (6), second inserting block (5) is inserted
Enter in the first card slot (45).
4. a kind of high-differential-pressure regulating valve with throttling set according to claim 3, it is characterised in that: first insertion
The first seal washer (11) are filled between block (44) and the second card slot (6), filled with the between several link blocks (42)
Two seal washers (12).
5. a kind of high-differential-pressure regulating valve with throttling set according to claim 4, it is characterised in that: the liquid outlet channel
(2) one end far from throttling set (4) is equipped with valve cage (13), opens up hole (14), the valve cage on the valve cage (13)
(13) bottom is equipped with valve seat (15), is equipped with integral type spool (16) between the valve seat (15), valve seat (15) the bottom connection
Have feed pathway (3), valve seat (15) gasket is filled between the valve seat (15) and valve body (1).
6. a kind of high-differential-pressure regulating valve with throttling set according to claim 5, it is characterised in that: the valve body (1)
Top is equipped with valve deck (18), and valve deck (18) gasket is equipped between the valve deck (18) and valve body (1), and the valve deck (18) is equipped with
The first fixing bolt (20) through valve deck (18) and valve body (1).
7. a kind of high-differential-pressure regulating valve with throttling set according to claim 6, it is characterised in that: the valve cage (13)
Top is connected with valve rod (21), is filled with airtight and watertight padding (22) between the valve rod (21) and valve deck (18), the airtight and watertight padding
(22) top is equipped with gland (23), and valve deck (18) screw top is connected with second for compressing gland (23)
Fixing bolt (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453557.0U CN208804251U (en) | 2018-09-05 | 2018-09-05 | A kind of high-differential-pressure regulating valve with throttling set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453557.0U CN208804251U (en) | 2018-09-05 | 2018-09-05 | A kind of high-differential-pressure regulating valve with throttling set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804251U true CN208804251U (en) | 2019-04-30 |
Family
ID=66236907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453557.0U Active CN208804251U (en) | 2018-09-05 | 2018-09-05 | A kind of high-differential-pressure regulating valve with throttling set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804251U (en) |
-
2018
- 2018-09-05 CN CN201821453557.0U patent/CN208804251U/en active Active
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