CN110056663A - Manual chlorine forged steel check valve - Google Patents
Manual chlorine forged steel check valve Download PDFInfo
- Publication number
- CN110056663A CN110056663A CN201810050183.6A CN201810050183A CN110056663A CN 110056663 A CN110056663 A CN 110056663A CN 201810050183 A CN201810050183 A CN 201810050183A CN 110056663 A CN110056663 A CN 110056663A
- Authority
- CN
- China
- Prior art keywords
- valve
- forged steel
- bellows
- flap
- valve rod
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 20
- 239000000460 chlorine Substances 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 23
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
-
- 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
- F16K1/36—Valve members
-
- 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
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- 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
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
Abstract
The invention discloses a kind of manual chlorine forged steel check valves, it include: forged steel valve body, the lower end of the forged steel valve body is provided with intake channel and exit passageway, the upper end of the forged steel valve body is provided with forged steel valve deck, valve rod is provided in the valve body, the upper end of the valve rod connects hand wheel component, the lower end of the valve rod connects flap component, airtight and watertight padding and pressing plate are provided between valve rod and forged steel valve deck, the hand wheel component includes: dust cap, handwheel, valve stem nut, flange bracket and flat key, handwheel is connect by flat key with valve stem nut, dust cap is arranged above handwheel and is connected by screw thread with valve stem nut, flange bracket is axially rotatably assorted with valve stem nut, flange bracket is connected by column with forged steel valve deck, the flap component includes: flap, mounting groove is provided on the flap.
Description
Technical field
The present invention relates to a kind of valve more particularly to a kind of manual chlorine forged steel check valves.
Background technique
Chlorine cutoff valve is in chemical industry for controlling and adjusting a kind of common valve of the deep-etchings flow media such as chlorine
Door.Existing chlorine cut-off specifically includes that valve body, the lower end of the valve body is provided with intake channel and exit passageway, in institute
The upper end for stating valve body is provided with valve deck, valve rod is provided in the valve body, the upper end of the valve rod connects hand wheel component, described
The lower end of valve rod connects flap component, airtight and watertight padding and pressing plate is provided between valve rod and cast steel valve deck, in the lower section of valve rod
Outer sheath is equipped with bellows, and one end of the bellows is welded on cast-steel valve and covers, and the other end of the bellows is welded on valve
On bar.It is only sealed by airtight and watertight padding and a bellows between existing chlorine cutoff valve valve rod and valve deck, sealing effect
Difference, meanwhile, it is also easier that chlorine leakage occurs between valve deck and valve body, there are security risks, in addition, existing chlorine ends
Valve flap is structure as a whole non-dismountable with valve rod, once damaging, valve will directly scrap flap.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of sealing effect good manual chlorine forged steel check valve.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: manual chlorine forged steel check valve, comprising:
Forged steel valve body is provided with intake channel and exit passageway in the lower end of the forged steel valve body, sets in the upper end of the forged steel valve body
It is equipped with forged steel valve deck, valve rod is provided in the valve body, the upper end of the valve rod connects hand wheel component, the lower end of the valve rod
Flap component is connected, airtight and watertight padding and pressing plate are provided between valve rod and forged steel valve deck, the hand wheel component includes: dust-proof
Cap, handwheel, valve stem nut, flange bracket and flat key, handwheel are connect by flat key with valve stem nut, and dust cap is arranged on handwheel
Side is simultaneously connected by screw thread with valve stem nut, and flange bracket is axially rotatably assorted with valve stem nut, and flange bracket passes through column
It is connected with forged steel valve deck, the flap component includes: flap, mounting groove is provided on the flap, under the valve rod
End, which is provided with, connect head with the mutually matched T-type of mounting groove, and T-type connection head is fixed on mounting groove by flap nut
Interior to be fixedly connected with flap, the side in the forging steel valve body close to intake channel is provided with and the mutually matched valve of flap
, it is disposed with bellows primary seal device, wave from the bottom up on the outside of the valve rod between the flap and forged steel valve deck
Line pipe two stage sealing device and bellows three-stage sealing device, the structure of the bellows primary seal device include: that fixation is set
Set the first lower fixed disk on forged steel valve body and be fixed on valve rod first on fixed disk, the fixation described first under
The first bellows is welded on disk and first between fixed disk, is provided with first through hole in the middle part of first lower fixed disk,
The valve rod is threaded through in the first bellows and first through hole, and the aperture of the first through hole is greater than the maximum gauge of flap, institute
The structure for stating bellows two stage sealing device includes: the second lower fixed disk being fixed on forged steel valve body and is fixed at
On valve rod second on fixed disk, be welded with the second bellows between fixed disk on second lower fixed disk and second,
The second through-hole is provided in the middle part of second lower fixed disk, the valve rod is threaded through in the second bellows and the second through-hole, institute
The aperture for stating the second through-hole is greater than the diameter of fixed disk on first, and the structure of the bellows three-stage sealing device includes: to be arranged
Third bellows on valve rod, the upper end of the third bellows are welded on forging steel valve and cover, under the third bellows
End is welded on valve rod.
The invention has the advantages that above-mentioned manual chlorine forged steel check valve, valve body is designed using forged steel, can be suitable for 15cm
The small-bore conveying of~40cm, meanwhile, using multistage sealing structure, bellows primary seal device and bellows secondary seal dress
Setting can be to carrying out dual-seal, bellows primary seal device, bellows two stage sealing device, ripple between valve deck and valve body
Pipe three-stage sealing device and airtight and watertight padding can be to four resealings be carried out between valve deck and valve rod, sealing effect is good, can effectively prevent
Only chlorine leaks, and eliminates safe hidden trouble, in addition, the connection between flap and valve rod can dismantle completely, easy maintenance and replacement,
Improve the service life of valve.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the manual chlorine forged steel check valve of the present invention.
In figure: 1, forged steel valve body, 2, intake channel, 3, exit passageway, 4, forged steel valve deck, 5, valve rod, 6, airtight and watertight padding, 7,
Pressing plate, 8, dust cap, 9, handwheel, 10, valve stem nut, 11, flange bracket, 12, flat key, 13, column, 14, flap, 15, T-type company
Connector portions, 16, flap nut, 17, valve seat, the 18, first lower fixed disk, fixed disk on 19, first, the 20, first bellows, 21,
First through hole, the 22, second lower fixed disk, fixed disk on 23, second, the 24, second bellows, the 25, second through-hole, 26, third wave
Line pipe.
Specific embodiment
Particular content of the invention is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, manual chlorine forged steel check valve, comprising: forged steel valve body 1 is arranged in the lower end of the forged steel valve body 1
There are intake channel 2 and exit passageway 3, the upper end of the forged steel valve body 1 is provided with forged steel valve deck 4, is arranged in the valve body 1
There is valve rod 5, the upper end of the valve rod 5 connects hand wheel component, and the lower end of the valve rod 5 connects flap component, in valve rod 5 and forged steel
Airtight and watertight padding 6 and pressing plate 7 are provided between valve deck 4, the hand wheel component includes: dust cap 8, handwheel 9, valve stem nut 10, branch
Frame flange 11 and flat key 12, handwheel 9 are connect by flat key 12 with valve stem nut 10, and dust cap 8 is arranged above handwheel 9 and passes through
Screw thread is connected with valve stem nut 10, and flange bracket 11 is axially rotatably assorted with valve stem nut 10, and flange bracket 11 passes through column
13 are connected with forged steel valve deck 4, and the flap component includes: flap 14, mounting groove are provided on the flap 14, in the valve
The lower end of bar 5 is provided with and connect head 15 with the mutually matched T-type of mounting groove, and T-type connection head 15 passes through flap nut
16 are fixed in mounting groove and are fixedly connected with flap 14, the side in the forged steel valve body 1 close to intake channel 2 be provided with and
The mutually matched valve seat 17 of flap 14,5 outside of valve rod between the flap 14 and forged steel valve deck 4 are set gradually from the bottom up
There are bellows primary seal device, bellows two stage sealing device and bellows three-stage sealing device, the bellows level-one is close
The structure of seal apparatus include: the first lower fixed disk 18 being fixed on forged steel valve body 1 and be fixed on valve rod 5 the
Fixed disk 19 on one are welded with the first bellows 20 between fixed disk 19 on first lower fixed disk 18 and first, in institute
The middle part for stating the first lower fixed disk 18 is provided with first through hole 21, and the valve rod 5 is threaded through the first bellows 20 and first through hole
In 21, the aperture of the first through hole 21 is greater than the maximum gauge of flap 14, the structure packet of the bellows two stage sealing device
It includes: fixed disk 23 on the second lower fixed disk 22 being fixed on forged steel valve body 1 and be fixed on valve rod 5 second,
It is welded with the second bellows 24 between fixed disk 23 on second lower fixed disk 22 and second, in second lower fixed disk
23 middle part is provided with the second through-hole 25, and the valve rod 5 is threaded through in the second bellows 24 and the second through-hole 25, and described second is logical
The aperture in hole 25 is greater than the diameter of fixed disk 19 on first, and the structure of the bellows three-stage sealing device includes: to be set in valve
The upper end of third bellows 26 on bar 5, the third bellows 26 is welded on forged steel valve deck 4, the third bellows 26
Lower end be welded on valve rod 5.
Above-mentioned manual chlorine forged steel check valve is in use, rotation handwheel 10, handwheel 10 drive valve stem nut by flat key 13
11 rotate on column 14, and valve stem nut 11 is moved up with ovable valve stem 5, and valve rod 5 connects head 15 by T-type and drives flap 14
It moves up, flap 14 is separated with valve seat 17, and fixed disk 23 is upward in fixed disk 19 and second in valve rod 5 while also drive first
Mobile, fixed disk 19 drives the first bellows 20 to stretch on first, and fixed disk 23 drives the second bellows 24 to stretch on second, valve
Bar 5 drive third bellows 26 shrink, due to the first through hole 21 aperture be greater than flap 14 maximum gauge, described second
The aperture of through-hole 25 is greater than the diameter of fixed disk 19 on first, and flap 14 can be extend into first through hole 21, fixed disk on first
19 can extend into the second through-hole 25, will not interfere, at this point, intake channel 2 and exit passageway 3 are interconnected;It is reversed to turn
Wheel of starting 10 carries out resetting the connection between cut-off intake channel 2 and exit passageway 3.
Above-mentioned manual chlorine forged steel check valve, valve body are designed using forged steel, can be suitable for the small-bore of 15cm~40cm
Conveying, meanwhile, using multistage sealing structure, bellows primary seal device and bellows two stage sealing device can to valve deck with
Dual-seal, bellows primary seal device, bellows two stage sealing device, bellows three-stage sealing device are carried out between valve body
And airtight and watertight padding can be to four resealings be carried out between valve deck and valve rod, sealing effect is good, can effectively prevent chlorine leakage, eliminates
Security risk, in addition, the connection between flap and valve rod can dismantle completely, easy maintenance and replacement improves making for valve
Use the service life.
Claims (1)
1. manual chlorine forged steel check valve, it is characterised in that: include: forged steel valve body (1), in the lower end of the forged steel valve body (1)
It is provided with intake channel (2) and exit passageway (3), the upper end of the forged steel valve body (1) is provided with forged steel valve deck (4), in institute
It states and is provided with valve rod (5) in valve body (1), the upper end of the valve rod (5) connects hand wheel component, the lower end connection of the valve rod (5)
Flap component is provided with airtight and watertight padding (6) and pressing plate (7), the hand wheel component packet between valve rod (5) and forged steel valve deck (4)
Include: dust cap (8), handwheel (9), valve stem nut (10), flange bracket (11) and flat key (12), handwheel (9) pass through flat key (12)
It being connect with valve stem nut (10), dust cap (8) setting is connected above handwheel (9) and by screw thread with valve stem nut (10),
Flange bracket (11) is axially rotatably assorted with valve stem nut (10), and flange bracket (11) passes through column (13) and forged steel valve deck (4)
It is connected, the flap component includes: flap (14), mounting groove is provided on the flap (14), under the valve rod (5)
End is provided with to be connect head (15) with the mutually matched T-type of mounting groove, and T-type connection head (15) passes through flap nut (16)
It is fixed in mounting groove and is fixedly connected with flap (14), the side in the forged steel valve body (1) close to intake channel (2) is arranged
Have with flap (14) mutually matched valve seat (17), between the flap (14) and forged steel valve deck (4) valve rod (5) outside from
Under be up disposed with bellows primary seal device, bellows two stage sealing device and bellows three-stage sealing device, institute
The structure for stating bellows primary seal device includes: the first lower fixed disk (18) being fixed on forged steel valve body (1) and consolidates
Fixed disk (19) on fixed first be arranged on valve rod (5), the fixed disk (19) on first lower fixed disk (18) and first
Between be welded with the first bellows (20), be provided with first through hole (21) in the middle part of first lower fixed disk (18), it is described
Valve rod (5) is threaded through in the first bellows (20) and first through hole (21), and the aperture of the first through hole (21) is greater than flap
(14) maximum gauge, the structure of the bellows two stage sealing device include: second be fixed on forged steel valve body (1)
Lower fixed disk (22) and be fixed on valve rod (5) second on fixed disk (23), in second lower fixed disk (22) and
It is welded with the second bellows (24) between fixed disk (23) on second, is provided in the middle part of second lower fixed disk (23)
Two through-holes (25), the valve rod (5) are threaded through in the second bellows (24) and the second through-hole (25), second through-hole (25)
Aperture is greater than the diameter of fixed disk (19) on first, and the structure of the bellows three-stage sealing device includes: to be set in valve rod (5)
On third bellows (26), the upper end of the third bellows (26) is welded on forged steel valve deck (4), the third bellows
(26) lower end is welded on valve rod (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810050183.6A CN110056663A (en) | 2018-01-18 | 2018-01-18 | Manual chlorine forged steel check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810050183.6A CN110056663A (en) | 2018-01-18 | 2018-01-18 | Manual chlorine forged steel check valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110056663A true CN110056663A (en) | 2019-07-26 |
Family
ID=67315196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810050183.6A Pending CN110056663A (en) | 2018-01-18 | 2018-01-18 | Manual chlorine forged steel check valve |
Country Status (1)
Country | Link |
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CN (1) | CN110056663A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3825575A1 (en) * | 1988-07-28 | 1990-02-08 | Schott Glaswerke | Shut-off valve, particularly for dangerous gases or liquids |
CN205824195U (en) * | 2016-06-17 | 2016-12-21 | 嵊州市龙威阀门有限公司 | A kind of Double-clack stop valve |
CN208185488U (en) * | 2018-01-18 | 2018-12-04 | 江苏鼎晟阀门有限公司 | Manual chlorine forged steel check valve |
-
2018
- 2018-01-18 CN CN201810050183.6A patent/CN110056663A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3825575A1 (en) * | 1988-07-28 | 1990-02-08 | Schott Glaswerke | Shut-off valve, particularly for dangerous gases or liquids |
CN205824195U (en) * | 2016-06-17 | 2016-12-21 | 嵊州市龙威阀门有限公司 | A kind of Double-clack stop valve |
CN208185488U (en) * | 2018-01-18 | 2018-12-04 | 江苏鼎晟阀门有限公司 | Manual chlorine forged steel check valve |
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