CN208457295U - Dovetail groove type soft seal cutting type regulating valve - Google Patents
Dovetail groove type soft seal cutting type regulating valve Download PDFInfo
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- CN208457295U CN208457295U CN201821119218.9U CN201821119218U CN208457295U CN 208457295 U CN208457295 U CN 208457295U CN 201821119218 U CN201821119218 U CN 201821119218U CN 208457295 U CN208457295 U CN 208457295U
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- valve
- valve seat
- spool
- hole
- groove
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Abstract
The utility model discloses a kind of dovetail groove type soft seal cutting type regulating valves, including valve body, spool and valve rod, valve body lower-left end is provided with first medium channel, valve body upper right side is provided with second medium channel, current limiting partition is arranged in valve body, the exit of current limliting barrier media through-hole is provided with first positioning groove, the first spirotallic gasket is provided in first positioning groove, the first valve seat is provided on first spirotallic gasket, it is axial in the middle part of first valve seat to be provided with valve seat through-hole, valve seat bulge loop has been wholely set on the upper surface of first valve seat, a soft sealing valve seat mounting groove is provided in the middle part of the upper surface of valve seat bulge loop, the soft sealing valve seat mounting groove built-in type is provided with soft sealing valve seat；Spool is mounted in spool movable chamber, and spool upper end is detachably connected with valve rod lower end, and the lower end surface of spool is provided with sealing convex block.Above-mentioned technical proposal, it is reasonable in design, structure is simple, function is more, good seal performance, difficulty of processing are low, high production efficiency and easy to maintenance.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of dovetail groove type soft seal cutting type regulating valve.
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.
Generally it is made of executing agency and valve.In the automatic control of modern plant, regulating valve is played a very important role, this
The medium that the production of a little factories depends on flowing correctly is distributed and is controlled.These controls either exchange of energy, pressure
Either simple container charging is reduced, certain final control elements is required and goes to complete.
Existing regulating valve structure setting is unreasonable, has a single function, a regulating valve is generally only applicable in cutting operating condition or tune
Operating condition is saved, and difficulty of processing is big, production efficiency is low, and maintenance is inconvenient, and the practicability is poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structures
Simply, function is more, good seal performance, difficulty of processing are low, high production efficiency and dovetail groove type soft seal cutting type easy to maintenance
Regulating valve.
To achieve the above object, the utility model provides following technical solution: a kind of dovetail groove type soft seal cutting type
Regulating valve, including valve body, spool and valve rod, valve body lower-left end are provided with first medium channel, and valve body upper right side is provided with
Second medium channel, the valve body are wholely set current limiting partition, institute between first medium channel and second medium channel
It states and is provided with the medium through hole of one outlet upward on current limliting partition, be provided with spool movable chamber, institute above the medium through hole
State first medium channel, medium through hole, spool movable chamber are connected to second medium channel；The exit of the medium through hole is arranged
There is first positioning groove, the first spirotallic gasket is provided in first positioning groove, is set on first spirotallic gasket
It is equipped with the first valve seat, it is axial in the middle part of first valve seat to be provided with a valve seat through-hole, one on the upper surface of first valve seat
Body is provided with valve seat bulge loop, is provided with a soft sealing valve seat mounting groove, the soft seal in the middle part of the upper surface of the valve seat bulge loop
Valve seat mounting groove built-in type is provided with soft sealing valve seat；The spool is mounted in spool movable chamber, spool upper end and valve rod
Lower end is detachably connected, and the lower end surface of the spool is directed at the soft sealing valve seat position and has been wholely set sealing convex block.
It is reasonable in design by using above-mentioned technical proposal, it can satisfy and not only do cutting but also the operating condition adjusted need to be done,
The regulatory function of valve is not influenced in the case where guaranteeing leakage class VI grades at all；Structure is simple, function is more, good seal performance,
Difficulty of processing is low, high production efficiency and easy to maintenance, and practicability is good.
The utility model is further arranged to: first valve seat upper end is arranged with lower sleeve, end cap on the lower sleeve
Equipped with upper bush, the upper bush upper end is arranged with the second spirotallic gasket, and second spirotallic gasket upper end is provided with valve deck, should
Valve deck is detachably connected with the valve body upper end.By this setting, lower sleeve and upper bush assembly and disassembly are easy, so that spool positioning can
It leans on.
The utility model is further arranged to: the upper bush lower end surface is provided with a sleeve close to spool side and lacks
Mouthful, spool balanced seal ring, the appearance face contact of the spool balanced seal ring inner end and spool are arranged in the sleeve notch.
By this setting, the setting of spool balanced seal ring is reasonable, so that spool positioning is relatively reliable.
The utility model is further arranged to: a downward opening glove groove is provided on the spool, it is described
Axial in the middle part of spool to be provided with a valve rod mounting hole, the valve rod lower end is arranged across valve rod mounting hole, and valve rod lower end is revealed
Valve rod installation hole section is threaded with check washer and fastening nut out.By this setting, more reasonable, valve is arranged in valve core structure
Bar is easy for installation, and connection is reliable.
The utility model is further arranged to: the longitudinal section of the soft sealing valve seat mounting groove is oat tail groove structure.It is logical
This setting is crossed, soft sealing valve seat mounting groove structure setting is reasonable, and the fluting form of dovetail groove is outer small interior big structure type, from
And soft sealing valve seat can be firmly fixed in slot.
The utility model is further arranged to: the soft sealing valve seat is by rubber, nylon or polytetrafluoroethylene material system
At.By this setting, the flexible barrier materials such as rubber, nylon are inlayed in soft sealing valve seat mounting groove in mesolow operating condition.
The then inlaid polytetrafluoroethylsliders material in soft sealing valve seat mounting groove in high pressure operating condition.Because flexible barrier material guarantees sealing
Required ratio forces down, so being more easier to seal.
The utility model is further arranged to: fixation is bolted in the valve deck and valve body；It is set on the valve deck
It is equipped with stem through-hole, the stem through-hole upper end is provided with packing groove.
The utility model is further arranged to: being disposed with Packing seat in the packing groove from bottom to up, V type is filled out
Material, self-sealing packing, spacer and gland, the gland are connect with packing groove threaded upper ends.
The utility model has the advantages that: compared with prior art, the utility model structure setting is more reasonable, can satisfy
Not only it does cutting but also the operating condition adjusted need to be done, do not influence the regulatory function of valve at all in the case where guaranteeing leakage class VI grades；
Structure is simple, function is more, good seal performance, difficulty of processing are low, high production efficiency and easy to maintenance, and practicability is good.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram in the portion I in Fig. 1.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of dovetail groove type soft seal cutting type regulating valve disclosed by the utility model, including valve body
1, spool 2 and valve rod 3, the 1 lower-left end of valve body are provided with first medium channel 11, and 1 upper right side of valve body is provided with second medium
Channel 12, the valve body 1 are wholely set current limiting partition 13, institute between first medium channel 11 and second medium channel 12
It states and is provided with the medium through hole 131 of one outlet upward on current limliting partition 13, it is living that spool is provided with above the medium through hole 131
Dynamic chamber 14, the first medium channel 11, medium through hole 131, spool movable chamber 14 are connected to second medium channel 12；It is given an account of
The exit of matter through-hole 131 is provided with first positioning groove 132, is provided with first in first positioning groove 132 and twines
Around gasket 4, the first valve seat 5 is provided on first spirotallic gasket 4,5 middle part of the first valve seat is axial to be provided with a valve
Block hole 51 has been wholely set valve seat bulge loop 52, the upper surface of the valve seat bulge loop 52 on the upper surface of first valve seat 5
Middle part is provided with a soft sealing valve seat mounting groove 521, which is provided with soft sealing valve
Seat 6；The spool 2 is mounted in spool movable chamber 14, and 2 upper end of spool is detachably connected with valve rod lower end, the spool 2
Lower end surface is directed at 6 position of soft sealing valve seat and has been wholely set sealing convex block 21.
Preferably, 5 upper end of the first valve seat is arranged with lower sleeve 7,7 upper end of lower sleeve is arranged with upper bush
8,8 upper end of upper bush is arranged with the second spirotallic gasket 9, and 9 upper end of the second spirotallic gasket is provided with valve deck 10, the valve deck
10 are detachably connected with 1 upper end of valve body.
8 lower end surface of upper bush is provided with a sleeve notch 81 close to spool side, is arranged in the sleeve notch 81
Spool balanced seal ring 15, the appearance face contact of spool balanced seal ring 15 inner end and spool 2.
A downward opening glove groove 22 is provided on the spool 2,2 middle part of spool is axial to be provided with one
Valve rod mounting hole 23,3 lower end of valve rod are arranged across valve rod mounting hole 23, and 3 lower end of valve rod exposes valve rod and installs hole section spiral shell
Line is connected with check washer 16 and fastening nut 17.
The longitudinal section of the soft sealing valve seat mounting groove 521 is oat tail groove structure.The fluting form of dovetail groove is outer small interior
Big structure type, so as to which soft sealing valve seat to be firmly fixed in slot.
The soft sealing valve seat 6 is made of rubber, nylon or polytetrafluoroethylene material.In mesolow operating condition in soft seal
The flexible barrier materials such as rubber, nylon are inlayed in valve seat mounting groove.It is then inlayed in soft sealing valve seat mounting groove in high pressure operating condition
Embedding polytetrafluoroethylene material.Because flexible barrier material guarantees that ratio needed for sealing forces down, it is more easier to seal.
Fixation is bolted with valve body 1 in the valve deck 10；Stem through-hole 101 is provided on the valve deck 10, it is described
101 upper end of stem through-hole is provided with packing groove 102.
Packing seat 18, V-type filler 19, self-sealing packing 20, spacer are disposed in the packing groove 102 from bottom to up
24 and gland 25, the gland 25 connect with 102 threaded upper ends of packing groove.By locking gland 25 compress every
Set 24, spacer 24 compress self-sealing packing 20, which compresses V-type filler 19, and V-type filler 19 compresses Packing seat
18, there is multi-sealing function, good seal performance is not easy to leak.
When practical application, it can satisfy and not only do cutting but also the operating condition adjusted need to be done, the case where guaranteeing leakage class VI grades
The lower regulatory function for not influencing valve at all；Structure is simple, function is more, good seal performance, difficulty of processing are low, high production efficiency and
Easy to maintenance, practicability is good.
The utility model has the advantages that
(1) it processes, repair conveniently；It is only needed when repairing by built-in flexible barrier material (soft sealing valve seat)
It splits out and more renews.
(2) when in use, the moment opened and closed does not have friction phenomenon.Because it is (soft to be embedded in flexible barrier material
Seal valve seat) it is afterwards flat seal with seal spool face contact.Therefore it is not easy to abrade sealing surface.
(3) the fluting form of dovetail groove is outer small interior big structure type, so as to which sealing material to be firmly fixed on
In slot.
(4) regulatory function of valve is not influenced in the case where guaranteeing VI leakage at all.Existing old product is using hard sealing
Structure difficulty of processing is extremely difficult to greatly VI leakage.The improvement of the utility model structure is not only greatly saved process time and adds
Work difficulty, and it is more convenient to repair replacement.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It can be interpreted as the restriction to scope of protection of the utility model, the technician of this field is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the protection scope of the utility model.
Claims (8)
1. a kind of dovetail groove type soft seal cutting type regulating valve, including valve body (1), spool (2) and valve rod (3), the valve body (1)
Lower-left end is provided with first medium channel (11), and valve body (1) upper right side is provided with second medium channel (12), the valve body (1)
Current limiting partition (13), the current limliting partition are wholely set between first medium channel (11) and second medium channel (12)
(13) it is provided with the medium through hole (131) of one outlet upward on, is provided with spool movable chamber above the medium through hole (131)
(14), the first medium channel (11), medium through hole (131), spool movable chamber (14) are connected to second medium channel (12)；
It is characterized by: the exit of the medium through hole (131) is provided with first positioning groove (132), first positioning
It is provided with the first spirotallic gasket (4) in groove (132), is provided with the first valve seat (5) on first spirotallic gasket (4), it is described
It is axial in the middle part of first valve seat (5) to be provided with a valve seat through-hole (51), it has been wholely set on the upper surface of first valve seat (5)
The upper surface middle part of valve seat bulge loop (52), the valve seat bulge loop (52) is provided with a soft sealing valve seat mounting groove (521), this is soft
Seal valve seat mounting groove (521) built-in type is provided with soft sealing valve seat (6)；The spool (2) is mounted on spool movable chamber
(14) in, spool (2) upper end is detachably connected with valve rod (3) lower end, and the lower end surface of the spool (2) is directed at the soft sealing valve
Seat (6) position has been wholely set sealing convex block (21).
2. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 1, it is characterised in that: first valve
Seat (5) upper end is arranged with lower sleeve (7), and lower sleeve (7) upper end is arranged with upper bush (8), end cap on the upper bush (8)
Equipped with the second spirotallic gasket (9), the second spirotallic gasket (9) upper end is provided with valve deck (10), the valve deck (10) and the valve
Body (1) upper end is detachably connected.
3. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 2, it is characterised in that: the upper bush
(8) lower end surface is provided with a sleeve notch (81) close to spool side, is arranged with spool balanced seal in the sleeve notch (81)
Ring (15), the appearance face contact of the spool balanced seal ring (15) inner end and spool (2).
4. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 3, it is characterised in that: the spool
(2) it is provided with a downward opening glove groove (22) on, is axially provided with a valve rod mounting hole in the middle part of the spool (2)
(23), valve rod (3) lower end is arranged across valve rod mounting hole (23), and valve rod (3) lower end exposes valve rod and installs hole section screw thread
It is connected with check washer (16) and fastening nut (17).
5. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 1 or 4, it is characterised in that: described soft
The longitudinal section of seal valve seat mounting groove (521) is oat tail groove structure.
6. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 1 or 4, it is characterised in that: described soft
Seal valve seat (6) is made of rubber, nylon or polytetrafluoroethylene material.
7. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 1, it is characterised in that: the valve deck
(10) fixation is bolted with valve body (1)；Stem through-hole (101), the stem through-hole are provided on the valve deck (10)
(101) upper end is provided with packing groove (102).
8. a kind of dovetail groove type soft seal cutting type regulating valve according to claim 7, it is characterised in that: the packing groove
(102) it is disposed with Packing seat (18), V-type filler (19), self-sealing packing (20), spacer (24) and filler from bottom to up in
Gland (25), the gland (25) connect with packing groove (102) threaded upper ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119218.9U CN208457295U (en) | 2018-07-16 | 2018-07-16 | Dovetail groove type soft seal cutting type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119218.9U CN208457295U (en) | 2018-07-16 | 2018-07-16 | Dovetail groove type soft seal cutting type regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457295U true CN208457295U (en) | 2019-02-01 |
Family
ID=65178480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821119218.9U Expired - Fee Related CN208457295U (en) | 2018-07-16 | 2018-07-16 | Dovetail groove type soft seal cutting type regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612895A (en) * | 2018-07-16 | 2018-10-02 | 浙江贝尔控制阀门有限公司 | Dovetail groove type soft seal cut-out type regulating valve |
| CN110848406A (en) * | 2019-12-29 | 2020-02-28 | 南通神通新能源科技有限公司 | Unloading type high-pressure throttle valve |
-
2018
- 2018-07-16 CN CN201821119218.9U patent/CN208457295U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612895A (en) * | 2018-07-16 | 2018-10-02 | 浙江贝尔控制阀门有限公司 | Dovetail groove type soft seal cut-out type regulating valve |
| CN110848406A (en) * | 2019-12-29 | 2020-02-28 | 南通神通新能源科技有限公司 | Unloading type high-pressure throttle valve |
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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: 20190201 Termination date: 20190716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |