CN110107718B - Axial flow type check valve - Google Patents
Axial flow type check valve Download PDFInfo
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- CN110107718B CN110107718B CN201910348040.8A CN201910348040A CN110107718B CN 110107718 B CN110107718 B CN 110107718B CN 201910348040 A CN201910348040 A CN 201910348040A CN 110107718 B CN110107718 B CN 110107718B
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- cover
- worm
- check valve
- main body
- sealing
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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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses an axial-flow check valve, which comprises a main body, wherein an auxiliary maintenance device and a sealing mechanism are arranged at the top and the middle part of the front end of the main body, a hand wheel in the auxiliary maintenance device is rotated to drive an internal main shaft to rotate, the main shaft can drive a worm gear at the lower end to drive a worm in the sealing mechanism to rotate when rotating, so that the worm moves outwards, then the worm is screwed out through a knob, then a cover body is fixed, in the rotating process of the main shaft, the lower end of the outer diameter surface drives a rotating rod in a closing mechanism to drive an internal cover plate to seal the cover body through the transmission of a toothed belt wheel, so that a medium cannot enter the main body, the internal part can be overhauled or maintained when an internal spring of the valve works, the axial-flow check valve has good effect, high efficiency and convenient operation, and is easy to cause, the maintenance and repair are difficult, and during the maintenance, the pipeline needs to be disassembled, so that the labor is consumed, and the work process is delayed.
Description
Technical Field
The present invention relates to the field of check valves, and in particular, to an axial flow check valve.
Background
The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block medium backflow, belongs to the automatic valve class, and is also called a check valve, a one-way valve, a backflow valve or an isolation valve.
Disclosure of Invention
To overcome the deficiencies of the prior art and to address the deficiencies, the present invention provides an axial flow check valve.
The invention is realized in such a way that an axial flow check valve is constructed, the device comprises a main body, a water outlet, an auxiliary maintenance device, a sealing mechanism, a water inlet, a water discharge bin, a flow guide cover, a spring seat, a valve rod, a spring, a shockproof body and a support, the water outlet is arranged at the left end in the main body, the auxiliary maintenance device is arranged at the left end of the top of the main body, the sealing mechanism is arranged in the middle of the front end surface of the main body, the water inlet is arranged at the right end in the main body, the water discharge bin is arranged at the lower end in the main body, the left end in the water discharge bin is fixedly connected with the flow guide cover, the spring seat is fixed in the middle of the right side of the flow guide cover, the valve rod is inserted and connected at the right side of the spring seat, the spring is arranged on, slewing mechanism sets up in main part top left end, closing mechanism sets up the right-hand member in the main part, sealing mechanism includes lid, bolt, knob, sealing silica gel, water proof membrane and worm, four ends are provided with the bolt in the lid, terminal surface upper end is provided with the knob before the lid, the rear end is provided with sealing silica gel in the lid, the sealing silica gel back bonds with the water proof membrane, lid back middle part is provided with the worm to the worm front end is pegged graft with the knob, the lid carries out bolted connection through bolt and main part.
Further, slewing mechanism includes organism, hand wheel, main shaft, mounting, branch, top cap, transmission storehouse, worm wheel and first fluted disc wheel, the organism upper end is provided with the hand wheel, middle part is rotated with the main shaft in the hand wheel and is connected, main shaft external diameter surface upper end is provided with the mounting, both ends are fixed through the nut with branch about in the mounting, the branch bottom carries out bolted connection with the top cap to the bottom is fixed in middle part and the transmission storehouse in the main shaft bottom runs through the top cap, main shaft external diameter surface lower extreme is fixed with the worm wheel to worm wheel right side and worm intermeshing, the worm wheel bottom is provided with first fluted disc wheel to first fluted disc wheel internal diameter surface is fixed with the main shaft, transmission storehouse bottom welds with the drainage storehouse top.
Further, the closing mechanism includes the cover body, axle bed, dwang, apron, sealed bin, axis of rotation and second toothed wheel, the welding of both ends middle part has the axle bed about the cover body, the internal middle part of cover is provided with the dwang to the dwang bottom rotates with the bottom axle bed to be connected, dwang external diameter surface fixes with the apron, the internal upper end of cover is provided with sealed bin, the middle part is provided with the axis of rotation in the sealed bin to the axis of rotation top rotates with the axle bed to be connected, the axis of rotation bottom runs through sealed bin and fixes with the dwang to axis of rotation external diameter surface middle part is provided with the second toothed wheel, second toothed wheel external diameter surface rotates through toothed belt and is connected with first toothed wheel, the cover body left and right sides carries out bolted.
Further, the thickness of the sealing silica gel is 2cm, and the thickness of the waterproof film is 1 cm.
Further, the length of the worm is two thirds of the thickness of the main body.
Furthermore, a layer of anti-skid rubber is bonded on the outer diameter surface of the hand wheel, and the thickness of the anti-skid rubber is 0.5 cm.
Furthermore, a screw hole is formed in the right end of the front end face of the transmission bin, and the screw hole is matched with the worm.
Further, the cover plate is semicircular, and the outer diameter surface of the cover plate is attached to the cover body through sealing rubber.
Further, an access cover is arranged on the back face of the sealing bin and connected with the sealing bin through bolts.
Furthermore, the knob is made of PP materials.
Further, the main shaft is made of tungsten steel.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to an axial-flow check valve, which is characterized in that an auxiliary maintenance device and a sealing mechanism are arranged at the top and the middle part of the front end of a main body, a hand wheel in the auxiliary maintenance device is rotated to drive an internal main shaft to rotate, the main shaft can drive a worm in the sealing mechanism to rotate by a worm wheel at the lower end when rotating, so that the worm moves outwards, then the worm is screwed out by a knob, a cover body is fixed, in the rotating process of the main shaft, the lower end of the outer diameter surface drives a rotating rod in a closing mechanism to drive an internal cover plate to seal a cover body by a toothed belt wheel transmission, so that a medium cannot enter the main body, the inner part can be maintained or repaired by dismounting a bolt in the cover body, the axial-flow check valve has good effect, high efficiency and convenient operation, and solves the problems that a spring in the valve works continuously, the, when in maintenance, the pipeline needs to be disassembled, which consumes manpower and delays the work process.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the rotating mechanism of the present invention;
FIG. 4 is a schematic view of the closure mechanism of the present invention;
FIG. 5 is a schematic view of the internal structure of the closure mechanism of the present invention;
FIG. 6 is a schematic view of the sealing mechanism of the present invention;
fig. 7 is a schematic view of the internal structure of the auxiliary maintenance device of the present invention.
Wherein: a main body-1, a water outlet-2, an auxiliary maintenance device-3, a sealing mechanism-4, a water inlet-5, a water discharge bin-6, a flow guide cover-7, a spring seat-8, a valve rod-9, a spring-10, a shockproof body-11, a support seat-12, a rotating mechanism-31, a closing mechanism-32, a machine body-311, a hand wheel-312, a main shaft-313, a fixing piece-314, a support rod-315, a top cover-316, a transmission bin-317, a worm wheel-318, a first toothed belt wheel-319, a cover body-321, a shaft seat-322, a rotating rod-323, a cover plate-324, a sealing bin-325, a rotating shaft-326, a second toothed belt wheel-327, a cover body-41, a bolt-42, a knob, Sealing silica gel-44, water-proof film-45 and worm-46.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an axial-flow check valve through improvement, which comprises a main body 1, a water outlet 2, an auxiliary maintenance device 3, a sealing mechanism 4, a water inlet 5, a drainage bin 6, a diversion cover 7, a spring seat 8, a valve rod 9, a spring 10, a vibration-proof body 11 and a support 12, wherein the water outlet 2 is arranged at the left end in the main body 1, the auxiliary maintenance device 3 is arranged at the left end of the top of the main body 1, the sealing mechanism 4 is arranged in the middle of the front end surface of the main body 1, the water inlet 5 is arranged at the right end in the main body 1, the drainage bin 6 is arranged at the lower end in the main body 1, the left end in the drainage bin 6 is fixedly connected with the diversion cover 7, the spring seat 8 is fixed in the middle of the right side of the diversion cover 7, the valve rod 9 is inserted at the right side of the spring seat 8, the spring 10 is arranged on the outer diameter surface of the valve rod 9, the rotating mechanism 31 is arranged at the left end of the top of the main body 1, the closing mechanism 32 is arranged at the right end in the main body 1, the sealing mechanism 4 comprises a cover body 41, a bolt 42, a knob 43, sealing silica gel 44, a water-stop film 45 and a worm 46, the bolts 42 are arranged at four ends in the cover body 41, the knob 43 is arranged at the upper end of the front end face of the cover body 41, the sealing silica gel 44 is arranged at the rear end in the cover body 41, the back face of the sealing silica gel 44 is bonded with the water-stop film 45, the worm 46 is arranged in the middle of the back face of the cover body 41, the front end of the.
Further, the rotating mechanism 31 includes a machine body 311, a hand wheel 312, a main shaft 313, a fixing member 314, a supporting rod 315, a top cover 316, a transmission bin 317, a worm wheel 318 and a first toothed belt wheel 319, the hand wheel 312 is arranged at the upper end of the machine body 311, the middle part of the hand wheel 312 is rotatably connected with the main shaft 313, the fixing member 314 is arranged at the upper end of the outer diameter surface of the main shaft 313, the left end and the right end of the fixing member 314 are fixed with the supporting rod 315 through nuts, the bottom of the supporting rod 315 is connected with the top cover 316 through bolts, the bottom of the main shaft 313 penetrates through the middle part of the top cover 316 to be fixed with the bottom of the transmission bin 317, the lower end of the outer diameter surface of the main shaft 313 is fixed with the worm wheel 318, the right side of the worm wheel 318 is engaged with the worm 46, the bottom of the worm wheel 318 is provided with the first toothed, the transmission effect is good, and is efficient, the operation of being convenient for.
Further, the closing mechanism 32 includes a cover 321, a shaft seat 322, a rotating rod 323, a cover plate 324, a sealing chamber 325, a rotating shaft 326 and a second toothed belt wheel 327, the shaft seats 322 are welded at the middle portions of the upper and lower ends of the cover 321, the rotating rod 323 is arranged at the middle portion in the cover 321, the bottom of the rotating rod 323 is rotatably connected with the shaft seat 322 at the bottom, the outer diameter surface of the rotating rod 323 is fixed with the cover plate 324, the sealing chamber 325 is arranged at the inner upper end of the cover 321, the rotating shaft 326 is arranged at the middle portion in the sealing chamber 325, the top of the rotating shaft 326 is rotatably connected with the shaft seat 322, the bottom of the rotating shaft 326 penetrates through the sealing chamber 325 to be fixed with the rotating rod 323, the second toothed belt wheel 327 is arranged at the middle portion of the outer diameter surface of the rotating shaft 326, the outer diameter surface of the second, the closing efficiency is high, and the leakproofness is good.
Further, sealing silica gel 44 thickness is 2cm, water barrier film 45 thickness is 1cm, and water proof is effectual, prevents inside leakage.
Further, the length of the worm 46 is two thirds of the thickness of the main body 1, so that the stability is strong, and the transmission is convenient.
Furthermore, a layer of anti-slip rubber is bonded on the outer diameter surface of the hand wheel 312, the thickness of the anti-slip rubber is 0.5cm, friction force is increased, and the gripping force is good during rotation.
Furthermore, a screw hole is formed in the right end of the front end face of the transmission bin 317, and the screw hole is matched with the worm 46, so that the fixing is convenient, and the stability is good.
Further, apron 324 is semicircle form to apron 324 external diameter surface laminates with the cover body 321 through sealing rubber, and the leakproofness is good, conveniently dams.
Further, the back of the sealing bin 325 is provided with an access cover, and the access cover is connected with the sealing bin 325 through bolts, so that the inside of the sealing bin can be conveniently overhauled and maintained.
Furthermore, the knob 43 is made of PP material, so that the durability is strong and the environment is protected.
Furthermore, the main shaft 313 is made of tungsten steel, so that the strength is high and the stability is good.
The invention provides an axial flow check valve through improvement, which operates as follows;
firstly, when the device needs to be used, the water outlet 2 and the water inlet 5 at the left end and the right end of the main body 1 are connected to a pipeline, when the device starts to work, a medium enters the water discharging bin 6 in the main body 1 through the water inlet 5 and then is discharged through the water outlet 2, if the medium flows backwards and enters the water discharging bin 6, the temporal valve rod 9 is pressed on the flow guide cover 7 through the pressure matching with the spring 10, and then the water discharging bin 6 is sealed, so that the medium cannot flow backwards;
secondly, after the main body 1 is used for a long time, impurities and some dirt exist in the interior, and the interior also needs to be overhauled or maintained, a user rotates the hand wheel 312 in the rotating mechanism 31, the hand wheel 312 enables the main shaft 313 at the bottom to rotate, a layer of anti-slip rubber is adhered to the outer diameter surface of the hand wheel 312, the thickness of the anti-slip rubber is 0.5cm, friction is increased, the gripping force is good when the hand wheel is rotated, the main shaft 313 enables the worm wheel 318 at the bottom to rotate, then the worm wheel 318 can drive the worm 46 to rotate, the worm 46 can move outwards, when the worm wheel 318 idles, the user can take out the worm 46 by holding the knob 43 on the sealing mechanism 4, then the cover body 41 can be loosened, when the main shaft 313 rotates, the first toothed belt wheel 319 at the bottom rotates, the first toothed belt wheel 319 can drive the second toothed belt wheel 327 to rotate through the toothed belt, then the rotating shaft 326 in the, the rotating shaft 326 can drive the rotating rod 323 at the bottom to rotate in the cover body 321, the rotating rod 323 can enable the cover plate 324 on the outer diameter surface to seal the cover body 321 to prevent a medium from entering the main body 1, and then bolts at four ends in the cover body 41 are disassembled to overhaul or maintain the interior of the main body 1;
thirdly, after the maintenance is finished, the cover body 41 is fixed on the main body 1 through bolts, then the worm 43 is inserted into the main body 1 through the knob 43, the right end of the front end face of the transmission bin 317 is provided with a screw hole, the screw hole is matched with the worm 46, then the rotation is carried out, the worm 43 is meshed with the worm wheel 318 again, then the hand wheel 312 is reversed, the worm 43 enters, the closing mechanism 32 is opened, and the work is restarted.
The invention provides a novel axial-flow check valve through improvement, the device is provided with an auxiliary maintenance device 3 and a sealing mechanism 4 at the top and the middle part of the front end of a main body 1, a hand wheel 312 in the auxiliary maintenance device 3 is rotated to drive an inner main shaft 313 to rotate, the main shaft 313 can enable a worm wheel 318 at the lower end to drive a worm 46 in the sealing mechanism 4 to rotate when rotating, the worm 46 moves outwards, then the worm 46 is screwed out through a knob 43, then a cover body 41 is fixed, in the rotating process of the main shaft 313, the lower end of the outer diameter surface drives a rotating rod 323 in a closing mechanism 32 to drive an inner cover plate 324 to seal a cover body 321 through the transmission of a toothed belt wheel, a medium can not enter the main body 1, the inner part can be overhauled or maintained by dismounting a bolt in the cover body 324, the effect is good, the efficiency is high, the operation is convenient, and the problem that the, the problem of easy damage, difficult maintenance and repair, labor consumption and work progress delay caused by the need of disassembling the pipeline during maintenance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. An axial flow type check valve comprises a main body (1), a water outlet (2), a water inlet (5), a water discharging bin (6), a flow guide cover (7), a spring seat (8), a valve rod (9), a spring (10), a shockproof body (11) and a support (12), wherein the water outlet (2) is arranged at the left end in the main body (1), an auxiliary maintenance device (3) is arranged at the left end of the top of the main body (1), a sealing mechanism (4) is arranged in the middle of the front end face of the main body (1), the water inlet (5) is arranged at the right end in the main body (1), the water discharging bin (6) is arranged at the lower end in the main body (1), the left end in the water discharging bin (6) is fixedly connected with the flow guide cover (7), the spring seat (8) is fixed in the middle of the right side of the flow guide cover (7), the valve rod (9) is inserted, the right side of the spring (10) is in contact with the shockproof body (11), and the valve rod (9) penetrates through the shockproof body (11) and is fixed with the support (12);
the method is characterized in that: still include supplementary maintenance device (3) and sealing mechanism (4), supplementary maintenance device (3) include slewing mechanism (31) and closing mechanism (32), slewing mechanism (31) sets up in main part (1) top left end, closing mechanism (32) set up in main part (1) inner right-hand member, sealing mechanism (4) are including lid (41), bolt (42), knob (43), sealing silica gel (44), water proof membrane (45) and worm (46), four ends are provided with bolt (42) in lid (41), lid (41) front end face upper end is provided with knob (43), rear end is provided with sealing silica gel (44) in lid (41), sealing silica gel (44) back bonds with water proof membrane (45), lid (41) back middle part is provided with worm (46) to worm (46) front end is pegged graft with knob (43), the cover body (41) is connected with the main body (1) through bolts.
2. The axial flow check valve of claim 1, wherein: the rotating mechanism (31) comprises a machine body (311), a hand wheel (312), a main shaft (313), a fixing piece (314), a support rod (315), a top cover (316), a transmission bin (317), a worm wheel (318) and a first toothed belt wheel (319), wherein the hand wheel (312) is arranged at the upper end of the machine body (311), the middle part in the hand wheel (312) is rotatably connected with the main shaft (313), the fixing piece (314) is arranged at the upper end of the outer diameter surface of the main shaft (313), the left end and the right end in the fixing piece (314) are fixed with the support rod (315) through nuts, the bottom of the support rod (315) is in bolt connection with the top cover (316), the bottom of the main shaft (313) penetrates through the middle part in the top cover (316) and is fixed with the bottom in the transmission bin (317), the lower end of the outer diameter surface of the main shaft (313) is fixed with the worm, the bottom of the worm wheel (318) is provided with a first gear belt wheel (319), the inner diameter surface of the first gear belt wheel (319) is fixed with the main shaft (313), and the bottom of the transmission bin (317) is welded with the top of the drainage bin (6).
3. The axial flow check valve of claim 1, wherein: the closing mechanism (32) comprises a cover body (321), an axle seat (322), a rotating rod (323), a cover plate (324), a sealing bin (325), a rotating shaft (326) and a second gear wheel (327), the axle seats (322) are welded at the middle parts of the upper end and the lower end of the cover body (321), the rotating rod (323) is arranged in the middle part of the cover body (321), the bottom of the rotating rod (323) is rotatably connected with the axle seat (322) at the bottom, the outer diameter surface of the rotating rod (323) is fixed with the cover plate (324), the sealing bin (325) is arranged at the upper end in the cover body (321), the rotating shaft (326) is arranged in the middle part of the sealing bin (325), the top of the rotating shaft (326) is rotatably connected with the axle seats (322), the bottom of the rotating shaft (326) penetrates through the sealing bin (325) to be fixed with the rotating rod (, the outer diameter surface of the second gear wheel (327) is rotationally connected with the first gear wheel (319) through a gear belt, and the left side and the right side of the cover body (321) are in bolt connection with the main body (1).
4. The axial flow check valve of claim 1, wherein: the thickness of the sealing silica gel (44) is 2cm, and the thickness of the water-resisting film (45) is 1 cm.
5. The axial flow check valve of claim 1, wherein: the length of the worm (46) is two thirds of the thickness of the main body (1).
6. The axial flow check valve of claim 2, wherein: a layer of anti-slip rubber is bonded on the outer diameter surface of the hand wheel (312), and the thickness of the anti-slip rubber is 0.5 cm.
7. The axial flow check valve of claim 2, wherein: the right end of the front end face of the transmission bin (317) is provided with a screw hole, and the screw hole is matched with the worm (46).
8. The axial flow check valve of claim 3, wherein: the cover plate (324) is semicircular, and the outer diameter surface of the cover plate (324) is attached to the cover body (321) through sealing rubber.
9. The axial flow check valve of claim 3, wherein: an access cover is arranged on the back of the sealed cabin (325), and the access cover is connected with the sealed cabin (325) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348040.8A CN110107718B (en) | 2019-04-28 | 2019-04-28 | Axial flow type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348040.8A CN110107718B (en) | 2019-04-28 | 2019-04-28 | Axial flow type check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107718A CN110107718A (en) | 2019-08-09 |
| CN110107718B true CN110107718B (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910348040.8A Active CN110107718B (en) | 2019-04-28 | 2019-04-28 | Axial flow type check valve |
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| CN (1) | CN110107718B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111188929B (en) * | 2020-02-28 | 2021-08-24 | 天虹阀门科技（泉州）有限公司 | Gate valve with check function |
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| KR20110006259U (en) * | 2009-12-15 | 2011-06-22 | 주식회사 정도기계 | Balve of having gear box |
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| CN203979526U (en) * | 2014-07-28 | 2014-12-03 | 慎江阀门有限公司 | Axial flow type check valve |
| CN106246992A (en) * | 2016-08-23 | 2016-12-21 | 湖南工业大学 | A kind of high-temperature high pressure valve is combined headstock gear |
| CN206246788U (en) * | 2016-11-07 | 2017-06-13 | 四川中油乐仪能源装备制造股份有限公司 | Axial flow control valve |
| CN206861011U (en) * | 2017-06-20 | 2018-01-09 | 天津百利二通机械有限公司 | A kind of detachable worm screw and the drive mechanism of torque spring portion set |
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2019
- 2019-04-28 CN CN201910348040.8A patent/CN110107718B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611824A (en) * | 2003-10-30 | 2005-05-04 | 株式会社巴技术研究所 | Butterfly valve |
| KR20110006259U (en) * | 2009-12-15 | 2011-06-22 | 주식회사 정도기계 | Balve of having gear box |
| CN202371232U (en) * | 2011-12-26 | 2012-08-08 | 浙江凯瑞特阀业有限公司 | Self-balancing type check-throttle stop valve |
| CN203979526U (en) * | 2014-07-28 | 2014-12-03 | 慎江阀门有限公司 | Axial flow type check valve |
| CN106246992A (en) * | 2016-08-23 | 2016-12-21 | 湖南工业大学 | A kind of high-temperature high pressure valve is combined headstock gear |
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| CN206861011U (en) * | 2017-06-20 | 2018-01-09 | 天津百利二通机械有限公司 | A kind of detachable worm screw and the drive mechanism of torque spring portion set |
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| CN110107718A (en) | 2019-08-09 |
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