CN109058482B - Double-seat adjusting valve with adjusting rod and assembling method thereof - Google Patents
Double-seat adjusting valve with adjusting rod and assembling method thereof Download PDFInfo
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- CN109058482B CN109058482B CN201811303131.1A CN201811303131A CN109058482B CN 109058482 B CN109058482 B CN 109058482B CN 201811303131 A CN201811303131 A CN 201811303131A CN 109058482 B CN109058482 B CN 109058482B
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- clack
- seat
- adjusting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
The invention relates to a double-seat regulating valve with a regulating rod and an assembling method thereof, wherein the assembling method comprises the following steps: 1. assembling the valve body with the upper valve seat and the lower valve seat; 2. assembling an upper valve rod, a lower valve rod, an upper valve clack, a lower valve clack and an adjusting rod; 3. assembling the assembly finished in the step 1 and the assembly finished in the step 2; 4. assembling the transverse pin, the adjusting sleeve and the locking device; 5. assembling the valve cover, the bracket and the driving device; 6. and (3) pressure test: carrying out a gas pressure seal test: closing the valve, inputting air from the inlet channel, slowly boosting the pressure to a test pressure, and observing whether the outlet channel leaks or not; 7. the double-seat type regulating valve qualified in the test is dried, and the outer surface of the double-seat type regulating valve is painted and stored.
Description
Technical Field
The invention relates to a regulating valve, in particular to a double-seat regulating valve with a regulating rod and an assembling method thereof.
Background
The double seat formula governing valve mainly includes: the valve body is internally provided with an inlet channel and an outlet channel, the inlet channel is transversely arranged, the outlet channel is arranged in a transverse Y-shaped structure, a cavity wall with a transverse U-shaped structure is arranged between the inlet channel and the outlet channel, the upper valve seat is arranged at the upper part of the cavity wall, the lower valve seat is arranged at the lower part of the cavity wall, the upper ends of the upper valve seat and the lower valve seat are respectively provided with an upper valve seat sealing surface and a lower valve seat sealing surface, the upper valve clack and the lower valve clack are fixed at the lower part of the valve rod in a series connection manner, a lower valve rod is arranged between the upper valve clack and the lower valve clack, the upper valve clack is arranged at the upper part of the outlet channel, the lower valve clack is arranged at the, can control the distance between the upper and lower valve clack sealing surface and the upper and lower valve seat sealing surface respectively to play the effect of governing valve outlet pressure, flow, its shortcoming lies in: because the influence in aspects such as machining error, assembly, when moving the upper valve rod, the distance between the sealed face of upper valve clack and the sealed face of upper valve seat can't be unanimous with the distance between the sealed face of lower valve clack and the sealed face of lower valve seat, when needs close this valve, can't reach full seal state, lets out leakage quantity big, goes up the fixed setting between valve clack and the lower valve clack simultaneously, has the technical defect that processing is difficult, with high costs.
Disclosure of Invention
Aiming at the technical defects in the prior art, the invention provides the double-seat regulating valve with the regulating rod and the assembling method thereof, wherein the double-seat regulating valve has the advantages of good use sealing performance, stable regulation and good vibration resistance.
The invention is realized by the following technical scheme:
this a two regulation valves of pole are adjusted in area includes: the valve comprises a valve body, an upper valve seat, a lower valve seat, an upper valve clack, a lower valve clack, a valve cover, an upper valve rod, a support and a driving device, wherein an inlet channel and an outlet channel are arranged in the valve body, the inlet channel is transversely arranged, the outlet channel is arranged in a transverse Y-shaped structure, a cavity wall in a transverse U-shaped structure is arranged between the inlet channel and the outlet channel, the upper valve seat is arranged at the upper part of the cavity wall, the lower valve seat is arranged at the lower part of the cavity wall, the upper end of the upper valve seat and the upper end of the lower valve seat are respectively provided with an upper valve seat sealing surface and a lower valve seat sealing surface, the upper valve clack and the lower valve clack are arranged below the upper valve rod in a series connection manner, the lower valve rod is arranged between the upper valve clack and the lower valve clack, the lower end of the lower valve rod is fixedly connected with the lower valve clack, gland compresses tightly the filler downwards, and support lower extreme fixed mounting is on valve gap upper portion, and drive arrangement installs on support upper portion, goes up the valve stem upper end and upwards pierces through in valve gap, recess and the support stretches into drive arrangement, its characterized in that: the valve also comprises a vertically arranged adjusting rod, the upper end of the adjusting rod penetrates through the lower valve clack and the lower valve rod upwards and then extends into the upper valve clack, the upper end of the adjusting rod is provided with a limiting block for limiting the adjusting rod to move relative to the upper valve clack, the upper end of the adjusting rod is also provided with an adjusting external thread, the inner part of the upper valve clack is also provided with a lifting nozzle and an anti-rotation groove, the upper part of the lifting nozzle is provided with an adjusting internal thread matched with the adjusting external thread, the outer part of the lifting nozzle is provided with an anti-rotation shin extending into the anti-rotation groove, the inner part of the lifting nozzle is provided with a hook-shaped groove, a lifting block with a plate type structure is arranged in the hook-shaped groove, the lower valve rod extends upwards into the upper valve clack and is fixedly connected with the lifting block, the lower end of the adjusting rod extends downwards out of the valve body, this locking device can prevent that the adjusting collar from rotatory, be equipped with the uide bushing between valve body and the valve gap, go up lamella upper portion and be equipped with the guide bar that forms upper and lower direction with the uide bushing, the guide bar upper end is equipped with the vertical blind hole of opening up, it stretches into this vertical blind hole to go up the valve rod lower extreme, guide bar upper portion is equipped with horizontal round pin axle, and this round pin axle passes vertical blind hole, the opposite side that the upper valve rod lower extreme stretched into the guide bar from one side of guide bar.
The invention discloses an assembly method of a double-seat regulating valve with a regulating rod, which comprises the following steps:
1. assembling the valve body with the upper valve seat and the lower valve seat: the upper valve seat is arranged at the upper part of the cavity wall, the lower valve seat is arranged at the lower part of the cavity wall, and the sealing surfaces of the upper valve seat and the lower valve seat are kept to be upward;
2. go up valve rod, lower valve rod, go up valve clack, lower valve clack and the equipment of adjusting the pole: the guide rod is fixedly installed at the upper end of the upper valve clack, the lower end of the upper valve clack extends into the vertical blind hole, a pin shaft transversely penetrates through the vertical blind hole from one side of the guide rod, the lower end of the upper valve clack extends into the other side of the guide rod, the lower end of the lower valve clack is fixedly connected with the lower valve clack, a limiting block, a lifting nozzle and a lifting block are installed inside the upper valve clack, an anti-rotation shank extends into an anti-rotation groove, the lifting block is arranged in a hook-shaped groove, the upper end of the lower valve rod extends into the upper valve clack and is fixedly connected with the lifting block, the upper end of the adjusting rod penetrates through the lower valve clack and the lower valve rod upwards and then extends into the upper valve clack;
3. assembling the assembly finished in the step 1 and the assembly finished in the step 2: the assembly finished in the step 1 is downwards extended from the upper part of the valve body in a mode of keeping the lower valve clack downwards, so that the lower end of the adjusting rod extends out of the lower part of the valve body, meanwhile, the upper valve clack is kept to be arranged at the upper part of the outlet channel and is arranged above the upper valve seat, and the lower valve clack is arranged at the inlet channel and is arranged above the lower valve seat;
4. assembling a transverse pin, an adjusting sleeve and a locking device: the adjusting sleeve and the transverse pin are arranged below the valve body, the transverse pin transversely penetrates through the vertical clamping groove and then is connected with the adjusting sleeve, and the locking device is arranged on the outer side of the lower part of the valve body;
5. assembling the valve cover, the bracket and the driving device: the valve cover is arranged at the upper end of the valve body, the guide sleeve is arranged between the valve body and the valve cover, the guide rod and the guide sleeve are kept to form upper and lower guide, the filler is arranged in the groove and is downwards compressed by the gland, the lower end of the support is fixedly arranged at the upper part of the valve cover, the driving device is arranged at the upper part of the support, and the upper end of the upper valve rod upwards penetrates through the valve cover, the groove and the support, extends into the driving device and is connected with the driving device;
6. and (3) pressure test: carrying out a gas pressure seal test: closing the valve, inputting air from the inlet channel, slowly boosting the pressure to a test pressure, and observing whether the outlet channel leaks or not;
7. and (4) drying the qualified double-seat type regulating valve in the test, painting the outer surface of the regulating valve and storing the regulating valve.
The invention has the advantages that: the arrangement of the adjusting rod ensures that the distance between the upper valve clack sealing surface and the upper valve seat sealing surface is consistent with the distance between the lower valve clack sealing surface and the lower valve seat sealing surface when the valve is opened and closed, and the valve has the advantage of good sealing performance; meanwhile, the processing is convenient and the cost is low; the guide sleeve has the advantage of good vibration resistance; the assembling method has the advantages of simplicity, rapidness and high assembling qualified rate.
Drawings
Fig. 1 is a schematic structural diagram of a double-seat regulating valve with an adjusting rod according to the present invention.
Detailed Description
As can be seen from fig. 1, the double-seat regulating valve with the regulating rod comprises: the valve comprises a valve body 1, an upper valve seat 6, a lower valve seat 2, an upper valve flap 7, a lower valve flap 3, a valve cover 11, an upper valve rod 12, a support 15 and a driving device 16, wherein an inlet channel and an outlet channel are arranged inside the valve body 1, the inlet channel is transversely arranged, the outlet channel is arranged in a transverse Y-shaped structure, a cavity wall with a transverse U-shaped structure is arranged between the inlet channel and the outlet channel, the upper valve seat 6 is arranged at the upper part of the cavity wall, the lower valve seat 2 is arranged at the lower part of the cavity wall, the upper ends of the upper valve seat 6 and the lower valve seat 2 are respectively provided with an upper valve seat sealing surface and a lower valve seat sealing surface, the upper valve flap 7 and the lower valve flap 3 are arranged below the upper valve rod 12 in a series connection manner, the lower valve rod 4 is arranged between the upper valve flap 7 and the lower valve flap 3, the lower valve flap 7 is arranged at the upper part of the outlet channel, the, the valve cover 11 is arranged at the upper end of the valve body 1, the upper end of the valve cover 11 is provided with a groove, the groove is internally provided with packing 13, the upper part of the groove is also provided with a gland 14, the gland 14 downwards compresses the packing 13, the lower end of a bracket 15 is fixedly arranged at the upper part of the valve cover 11, a driving device 16 is arranged at the upper part of the bracket 15, the upper end of an upper valve rod 12 upwards penetrates through the valve cover 11, the groove and the bracket 15 and extends into the driving device 16, the valve also comprises a vertically arranged adjusting rod 5, the upper end of the adjusting rod 5 upwards penetrates through a lower valve clack 3 and a lower valve rod 4 and then extends into an upper valve clack 7, the upper end of the adjusting rod 5 is provided with a limiting block for limiting the adjusting rod 5 to move relative to the upper valve clack 7, the upper end of the adjusting rod 5 is also provided with an adjusting external thread, the upper part, a hook-shaped groove is arranged in the lifting nozzle 9, a lifting block 8 with a plate structure is arranged in the hook-shaped groove, the lower valve rod 4 extends upwards into the upper valve clack 7 and is fixedly connected with the lifting block 8, the lower end of the adjusting rod 5 extends downwards out of the valve body 1, a vertical clamping groove is arranged at the lower end of the adjusting rod 5, an adjusting sleeve 18 and a cross pin 19 are arranged below the valve body 1, the cross pin 19 transversely penetrates through the vertical clamping groove and then is connected with the adjusting sleeve 18, the adjusting rod 5 can be driven to rotate by rotating the adjusting sleeve 18, a locking device 17 is arranged on the outer side of the lower part of the valve body 1, the locking device 17 can prevent the adjusting sleeve 18 from rotating, a rubber sealing ring is arranged between the outer circle of the adjusting rod 5 and the lower valve clack 3, a guide sleeve 10 is arranged between the valve body 1 and the valve cover 11, a guide rod which forms upper and lower guide with the guide sleeve 10 is arranged on, and a transverse pin shaft is arranged at the upper part of the guide rod, penetrates through the vertical blind hole from one side of the guide rod, and extends into the other side of the guide rod from the lower end of the upper valve rod 12.
The invention discloses an assembly method of a double-seat regulating valve with a regulating rod, which comprises the following steps:
1. assembly of the valve body 1 with the upper and lower valve seats 6, 2: the upper valve seat 6 is arranged at the upper part of the cavity wall, the lower valve seat 2 is arranged at the lower part of the cavity wall, and the sealing surfaces of the upper valve seat and the lower valve seat are kept to be upward;
2. go up valve rod 12, lower valve rod 4, go up valve clack 7, lower valve clack 3 and adjust the equipment of pole 5: the guide rod is fixedly installed at the upper end of the upper valve clack 7, the lower end of the upper valve rod 12 extends into the vertical blind hole, a pin shaft transversely penetrates through the vertical blind hole from one side of the guide rod, the lower end of the upper valve rod 12 extends into the other side of the guide rod, the lower end of the lower valve rod 4 is fixedly connected with the lower valve clack 3, a limiting block, a lifting nozzle 9 and a lifting block 8 are installed inside the upper valve clack 7, an anti-rotation shin extends into an anti-rotation groove, the lifting block 8 is arranged in a hook-shaped groove, the upper end of the lower valve rod 4 extends into the upper valve clack 7 and is fixedly connected with the lifting block 8, the upper end of the adjusting rod 5 penetrates through the lower valve clack 3 and the lower valve rod 4 upwards and then extends into the upper valve clack 7, and meanwhile;
3. assembling the assembly finished in the step 1 and the assembly finished in the step 2: the assembly finished in the step 1 is inserted downwards from the upper part of the valve body 1 in a mode of keeping the lower valve clack 3 downwards, so that the lower end of the adjusting rod 5 extends out of the lower part of the valve body 1, meanwhile, the upper valve clack 7 is kept to be arranged at the upper part of the outlet channel and is arranged above the upper valve seat 6, and the lower valve clack 3 is arranged at the inlet channel and is arranged above the lower valve seat 4;
4. assembly of the cross pin 19, the adjusting sleeve 18 and the locking device 17: the adjusting sleeve 18 and the transverse pin 19 are arranged below the valve body 1, the transverse pin 19 transversely penetrates through the vertical clamping groove and then is connected with the adjusting sleeve 18, and the locking device 17 is arranged on the outer side of the lower part of the valve body 1;
5. assembly of the valve cover 11, the bracket 15 and the drive device 16: the valve cover 11 is arranged at the upper end of the valve body 1, the guide sleeve 10 is arranged between the valve body 1 and the valve cover 11, the guide rod and the guide sleeve 10 are kept to form upper and lower guide, the packing 13 is arranged in the groove and is downwards pressed by the gland 14, the lower end of the bracket 15 is fixedly arranged at the upper part of the valve cover 11, the driving device 16 is arranged at the upper part of the bracket 15, and the upper end of the upper valve rod 12 upwards penetrates through the valve cover 11, the groove and the bracket 15 and then extends into the driving device 16 and is connected with the driving device 16;
6. and (3) pressure test: carrying out a gas pressure seal test: closing the valve, inputting air from the inlet channel, slowly boosting the pressure to a test pressure, and observing whether the outlet channel leaks or not;
7. and (4) drying the qualified double-seat regulating valve with the regulating rod in the test, painting the outer surface and storing.
Before the valve is used, firstly, a sealing test is carried out, when the valve is in a closed state, a test medium is introduced from an inlet channel, whether leakage exists in an outlet channel is observed, due to the influences of processing errors, assembly and the like, the distance between an upper valve clack sealing surface and an upper valve seat sealing surface cannot be consistent with the distance between a lower valve clack sealing surface and a lower valve seat sealing surface, therefore, a full sealing state cannot be achieved, when sealing is formed between the upper valve clack sealing surface and the upper valve seat sealing surface, and sealing is not formed between the lower valve clack sealing surface and the lower valve seat sealing surface, a locking device is loosened, an adjusting sleeve is rotated clockwise, an adjusting rod is driven to rotate clockwise, under the matching of an adjusting external thread and an adjusting internal thread, a lifting nozzle drives a lifting block to move downwards, and simultaneously drives a lower valve rod and a lower valve clack to move, and finally, locking the adjusting sleeve by using a locking device.
Similarly, when the sealing surface of the lower valve clack and the sealing surface of the lower valve seat form sealing and the sealing surface of the upper valve clack and the sealing surface of the upper valve seat do not form sealing, the locking device is loosened, the adjusting sleeve is rotated anticlockwise to drive the adjusting rod to rotate anticlockwise to adjust until the sealing surface of the upper valve clack and the sealing surface of the upper valve seat form sealing, and finally the adjusting sleeve is locked by the locking device.
At the moment, when the driving device drives the upper valve rod to move up and down in the using process of the valve, the distance between the upper valve clack sealing surface and the upper valve seat sealing surface is consistent with the distance between the lower valve clack sealing surface and the lower valve seat sealing surface.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a two seat governing valves of pole are adjusted in area, includes: the valve comprises a valve body, an upper valve seat, a lower valve seat, an upper valve clack, a lower valve clack, a valve cover, an upper valve rod, a support and a driving device, wherein an inlet channel and an outlet channel are arranged in the valve body, the inlet channel is transversely arranged, the outlet channel is arranged in a transverse Y-shaped structure, a cavity wall in a transverse U-shaped structure is arranged between the inlet channel and the outlet channel, the upper valve seat is arranged at the upper part of the cavity wall, the lower valve seat is arranged at the lower part of the cavity wall, the upper end of the upper valve seat and the upper end of the lower valve seat are respectively provided with an upper valve seat sealing surface and a lower valve seat sealing surface, the upper valve clack and the lower valve clack are arranged below the upper valve rod in a series connection manner, the lower valve rod is arranged between the upper valve clack and the lower valve clack, the lower end of the lower valve rod is fixedly connected with the lower valve clack, gland compresses tightly the filler downwards, and support lower extreme fixed mounting is on valve gap upper portion, and drive arrangement installs on support upper portion, goes up the valve stem upper end and upwards pierces through in valve gap, recess and the support stretches into drive arrangement, its characterized in that: the valve also comprises a vertically arranged adjusting rod, the upper end of the adjusting rod penetrates through the lower valve clack and the lower valve rod upwards and then extends into the upper valve clack, the upper end of the adjusting rod is provided with a limiting block for limiting the adjusting rod to move relative to the upper valve clack, the upper end of the adjusting rod is also provided with an adjusting external thread, the inner part of the upper valve clack is also provided with a lifting nozzle and an anti-rotation groove, the upper part of the lifting nozzle is provided with an adjusting internal thread matched with the adjusting external thread, the outer part of the lifting nozzle is provided with an anti-rotation shin extending into the anti-rotation groove, the inner part of the lifting nozzle is provided with a hook-shaped groove, a lifting block with a plate type structure is arranged in the hook-shaped groove, the lower valve rod extends upwards into the upper valve clack and is fixedly connected with the lifting block, the lower end of the adjusting rod extends downwards out of the valve body, this locking device can prevent that the adjusting collar from rotatory, be equipped with the uide bushing between valve body and the valve gap, go up lamella upper portion and be equipped with the guide bar that forms upper and lower direction with the uide bushing, the guide bar upper end is equipped with the vertical blind hole of opening up, it stretches into this vertical blind hole to go up the valve rod lower extreme, guide bar upper portion is equipped with horizontal round pin axle, and this round pin axle passes vertical blind hole, the opposite side that the upper valve rod lower extreme stretched into the guide bar from one side of guide bar.
2. The assembly method of a double-seat regulating valve with an adjusting rod as claimed in claim 1, which comprises the following steps:
1) assembling the valve body with the upper and lower valve seats: the upper valve seat is arranged at the upper part of the cavity wall, the lower valve seat is arranged at the lower part of the cavity wall, and the sealing surfaces of the upper valve seat and the lower valve seat are kept to be upward;
2) go up valve rod, lower valve rod, go up valve clack, lower valve clack and adjust the equipment of pole: the guide rod is fixedly installed at the upper end of the upper valve clack, the lower end of the upper valve clack extends into the vertical blind hole, a pin shaft transversely penetrates through the vertical blind hole from one side of the guide rod, the lower end of the upper valve clack extends into the other side of the guide rod, the lower end of the lower valve clack is fixedly connected with the lower valve clack, a limiting block, a lifting nozzle and a lifting block are installed inside the upper valve clack, an anti-rotation shank extends into an anti-rotation groove, the lifting block is arranged in a hook-shaped groove, the upper end of the lower valve rod extends into the upper valve clack and is fixedly connected with the lifting block, the upper end of the adjusting rod penetrates through the lower valve clack and the lower valve rod upwards and then extends into the upper valve clack;
3) assembly of the assembly completed in step 1 with the assembly completed in step 2: the assembly finished in the step 1 is downwards extended from the upper part of the valve body in a mode of keeping the lower valve clack downwards, so that the lower end of the adjusting rod extends out of the lower part of the valve body, meanwhile, the upper valve clack is kept to be arranged at the upper part of the outlet channel and is arranged above the upper valve seat, and the lower valve clack is arranged at the inlet channel and is arranged above the lower valve seat;
4) assembling the transverse pin, the adjusting sleeve and the locking device: the adjusting sleeve and the transverse pin are arranged below the valve body, the transverse pin transversely penetrates through the vertical clamping groove and then is connected with the adjusting sleeve, and the locking device is arranged on the outer side of the lower part of the valve body;
5) assembling the valve cover, the bracket and the driving device: the valve cover is arranged at the upper end of the valve body, the guide sleeve is arranged between the valve body and the valve cover, the guide rod and the guide sleeve are kept to form upper and lower guide, the filler is arranged in the groove and is downwards compressed by the gland, the lower end of the support is fixedly arranged at the upper part of the valve cover, the driving device is arranged at the upper part of the support, and the upper end of the upper valve rod upwards penetrates through the valve cover, the groove and the support, extends into the driving device and is connected with the driving device;
6) pressure test: carrying out a gas pressure seal test: closing the valve, inputting air from the inlet channel, slowly boosting the pressure to a test pressure, and observing whether the outlet channel leaks or not;
7) and drying the qualified double-seat type regulating valve, painting the outer surface and storing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303131.1A CN109058482B (en) | 2018-11-02 | 2018-11-02 | Double-seat adjusting valve with adjusting rod and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303131.1A CN109058482B (en) | 2018-11-02 | 2018-11-02 | Double-seat adjusting valve with adjusting rod and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109058482A CN109058482A (en) | 2018-12-21 |
| CN109058482B true CN109058482B (en) | 2020-08-21 |
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ID=64789008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303131.1A Active CN109058482B (en) | 2018-11-02 | 2018-11-02 | Double-seat adjusting valve with adjusting rod and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058482B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE330210C (en) * | 1917-02-15 | 1920-12-10 | Cockburns Ltd | |
| GB323996A (en) * | 1929-05-16 | 1930-01-16 | Cockburns Ltd | Improvements in stop valves |
| US3012583A (en) * | 1960-07-25 | 1961-12-12 | Manning Maxwell & Moore Inc | Double-seated valve for high temperature work |
| JPS5530546A (en) * | 1978-08-23 | 1980-03-04 | Hitachi Ltd | Proportional solenoid valve |
| CN2095978U (en) * | 1991-06-22 | 1992-02-12 | 龚锦 | Automatic pressure head limited valve |
| CN2641393Y (en) * | 2003-09-18 | 2004-09-15 | 张晓佳 | Cone core type shutoff valve |
| CN201173298Y (en) * | 2008-04-03 | 2008-12-31 | 鞍山电磁阀有限责任公司 | Straight moving type double-way electromagnetic valve |
| CN101551021A (en) * | 2008-04-03 | 2009-10-07 | 鞍山电磁阀有限责任公司 | Direct-acting type two-way solenoid valve |
-
2018
- 2018-11-02 CN CN201811303131.1A patent/CN109058482B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE330210C (en) * | 1917-02-15 | 1920-12-10 | Cockburns Ltd | |
| GB323996A (en) * | 1929-05-16 | 1930-01-16 | Cockburns Ltd | Improvements in stop valves |
| US3012583A (en) * | 1960-07-25 | 1961-12-12 | Manning Maxwell & Moore Inc | Double-seated valve for high temperature work |
| JPS5530546A (en) * | 1978-08-23 | 1980-03-04 | Hitachi Ltd | Proportional solenoid valve |
| CN2095978U (en) * | 1991-06-22 | 1992-02-12 | 龚锦 | Automatic pressure head limited valve |
| CN2641393Y (en) * | 2003-09-18 | 2004-09-15 | 张晓佳 | Cone core type shutoff valve |
| CN201173298Y (en) * | 2008-04-03 | 2008-12-31 | 鞍山电磁阀有限责任公司 | Straight moving type double-way electromagnetic valve |
| CN101551021A (en) * | 2008-04-03 | 2009-10-07 | 鞍山电磁阀有限责任公司 | Direct-acting type two-way solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109058482A (en) | 2018-12-21 |
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Effective date of registration: 20200717 Address after: 224000 Economic Development Zone, Dafeng District, Yancheng City, Jiangsu Province (south of Huanghai Road, west of Daqi Road) Applicant after: Yancheng Aokai Mingtong Valve Co.,Ltd. Address before: 325115, Zhejiang, Wenzhou province Yongjia County town of rock head carp Creek Village Applicant before: Li Qiong |
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Address after: No. 89, Xikang South Road, Economic Development Zone, Dafeng District, Yancheng City, Jiangsu Province, 224100 Patentee after: Yancheng Aokai Mingtong Valve Co.,Ltd. Address before: 224000 Economic Development Zone, Dafeng District, Yancheng City, Jiangsu Province (south of Huanghai Road and west of Daqi Road) Patentee before: Yancheng Aokai Mingtong Valve Co.,Ltd. |
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Denomination of invention: A Double Seat Regulating Valve with Regulating Rod and Its Assembly Method Effective date of registration: 20230825 Granted publication date: 20200821 Pledgee: Jiangsu Dafeng Rural Commercial Bank Co.,Ltd. Pledgor: Yancheng Aokai Mingtong Valve Co.,Ltd. Registration number: Y2023980053875 |