CN105042121A - Exhaust valve on distributor - Google Patents

Exhaust valve on distributor Download PDF

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Publication number
CN105042121A
CN105042121A CN201510490636.3A CN201510490636A CN105042121A CN 105042121 A CN105042121 A CN 105042121A CN 201510490636 A CN201510490636 A CN 201510490636A CN 105042121 A CN105042121 A CN 105042121A
Authority
CN
China
Prior art keywords
valve
seal ring
valve rod
hold
ring
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.)
Granted
Application number
CN201510490636.3A
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Chinese (zh)
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CN105042121B (en
Inventor
邱迪林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taros Technology Co., Ltd
Original Assignee
YUHUAN H&C BRASS PART Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YUHUAN H&C BRASS PART Manufacturing Co Ltd filed Critical YUHUAN H&C BRASS PART Manufacturing Co Ltd
Priority to CN201510490636.3A priority Critical patent/CN105042121B/en
Publication of CN105042121A publication Critical patent/CN105042121A/en
Application granted granted Critical
Publication of CN105042121B publication Critical patent/CN105042121B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/025Check valves with guided rigid valve members the valve being loaded by a spring

Abstract

The invention provides an exhaust valve on a distributor, belongs to the field of wine drinking equipment and solves the technical problem that the conventional distributor cannot realize exhaust pressure relief during pressure overloading. The exhaust valve comprises a valve body, a valve rod and a valve cover, wherein one end of the valve body is a connecting end capable of connecting the distributor, and the valve cover is fixed at the other end of the valve body; the valve rod is arranged in the valve body, and a convex valve rod head is arranged at one end of the valve rod; a guide conical surface is arranged on the valve rod head, a sealing conical surface is arranged in the valve body, and the guide conical surface is positioned in the sealing conical surface; the valve rod is sleeved with a sealing ring and a hold-down ring, the sealing ring is positioned between the valve rod head and the hold-down ring, and the outer diameter of the sealing ring is larger than that the big end of the guide conical surface; the valve rod is also sleeved with a hold-down spring, and the sealing ring is abutted against the sealing conical surface through the hold-down spring; a guide hole is formed in the valve cover, and the other end of the valve rod penetrates through the guide hole and can move along the guide hole. The exhaust valve has the advantage that the exhaust valve can automatically exhaust and relief pressure when the pressure in a wine barrel is overloaded.

Description

Outlet valve on a kind of distributor
Technical field
The invention belongs to drinks and drink apparatus field, relate to a kind of distributor, the outlet valve particularly on a kind of distributor.
Background technique
Distributor is connected to barrel of beer top to coordinate with the wine lance in barrel of beer, by the device that the drinks in barrel of beer are drawn.Operator pull the handle on distributor, and the wine pipe in distributor can be driven to do telescopic moving, and gas is entered in fat through distributor and wine lance successively, thus are extruded by the drinks in fat.
Distributor has air inlet nozzle, and air inlet nozzle is communicated with carbon dioxide canister, and carbon dioxide is pressed in distributor from air inlet nozzle and enters fat again thus extruded from tap by drinks.When routine use, always distributor is in open mode, the circulation of drinks is controlled by tap, is normally open between air inlet nozzle and fat, and namely carbon dioxide canister can be communicated with fat always, make to keep certain air pressure in fat, the fat that a lot of area uses at present is Plastic Drum or wooden barrel, cannot carry larger air pressure, and this just needs to control the pressure in fat, make it remain in certain pressure range, damage because pressure is excessive to prevent fat.And current distributor, such as Keg guiding device disclosed in Chinese patent literature [Authorization Notice No. CN201834755U], by aeration passage, gas is poured in fat in this patent.In this patent and the unexposed corresponding construction that can control fat internal pressure structure, cannot realize when pressure-overload being vented release.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the outlet valve on a kind of distributor, the technical problem that the present invention solves how to make the outlet valve on distributor ensure sealing after exhaust release.
Object of the present invention realizes by following technical proposal:
Outlet valve on a kind of distributor, described outlet valve comprises valve body, valve rod and valve gap, described valve body one end is the connecting end that can be connected with distributor, described valve gap is fixed on the other end of valve body, described valve rod is arranged in valve body, it is characterized in that, described valve rod one end is the stem head of evagination, stem head has the guiding conical surface, in valve body, there is sealing cone, the guiding conical surface is positioned at sealing cone, on valve rod, cover has seal ring and hold-down ring, described seal ring is between stem head and hold-down ring, the external diameter of described seal ring is greater than the external diameter of the large end of the guiding conical surface, on described valve rod, also cover has holddown spring, described seal ring by holddown spring and sealing cone against, described valve gap has pilot hole, the other end of described valve rod also can move along pilot hole through pilot hole.
Distributor has air inlet nozzle, and outlet valve is fixed on the sidepiece of air inlet nozzle, and the valve body of outlet valve is communicated with air inlet nozzle, when fat internal pressure is normal, outlet valve is sealed against the connecting end be connected with distributor by valve body with sealing cone by valve rod and the seal ring be positioned on valve rod, by holddown spring, seal ring is fitted closely with sealing cone, release need be vented when fat internal pressure overloads, can by jack-up at the stem head of the effect lower valve rod of gas, seal ring can depart from sealing cone, both see and can form gap, thus valve body is communicated with distributor realize being vented release, after exhaust release completes, valve rod can reset under the effect of holddown spring, makes seal ring and sealing cone against again realizing sealing, in the moving process of above-mentioned valve rod, the stem head of valve rod is moved along sealing cone by the guiding conical surface be located thereon, by two cone structures, stem head is moved along the medial axis of valve rod, the other end of valve rod moves along pilot hole, the two ends of valve rod are respectively by above-mentioned two kinds of structure qualifications, valve rod is moved along the medial axis of valve rod all the time, after valve rod resets, the side face of the seal ring be positioned on valve rod and sealing cone are evenly fitted, thus seal ring all energy parking position accuracies after realizing each exhaust release, outlet valve is made to keep sealing when not needing exhaust release and between distributor, hold-down ring can be avoided holddown spring to act directly on seal ring causing seal ring influence of crust deformation sealability, the impacting force of holddown spring can be made to act on uniformly on seal ring by hold-down ring, make seal ring and sealing cone against side face keep circular, ensure the sealability of seal ring.
In outlet valve on above-mentioned distributor, the external diameter of described hold-down ring is greater than the external diameter of seal ring, and the outer circumferential face of described hold-down ring can match with the inwall of valve body.Hold-down ring is positioned at the middle part of valve rod, be positioned at stem head and valve rod one end through pilot hole, in the initial period that valve rod resets, the guiding conical surface of stem head also fails to contact with sealing cone, guiding by means of only pilot hole cannot realize the accurate location of valve rod movement, hold-down ring valve rod occur skew time can with the valve interior wall of side, valve rod offset direction against, therefore the initial period resetted at valve rod to realize the location of valve rod movement by hold-down ring and pilot hole structure, valve rod shifted cause the leading conical surface and sealing cone can be avoided due to the not good and stuck situation of contact angle by this structure more, thus ensure seal ring all energy parking position accuracies after each exhaust release, outlet valve is made all to keep sealing when not needing exhaust release and between distributor.
In outlet valve on above-mentioned distributor, on described valve rod, also cover has pad, and described pad is between holddown spring and hold-down ring, and the external diameter of described pad is identical with the external diameter of hold-down ring, and the outer circumferential face of described pad can match with the inwall of valve body.Because holddown spring is enclosed within valve rod, may be there is the situation of movement in holddown spring, by arranging pad between holddown spring and hold-down ring, can cause the movement of pad when holddown spring moves, and avoid the movement of hold-down ring, thus seal ring is made stable to be positioned on valve rod, simultaneously in the initial period that valve rod resets, pad also can valve rod occur skew time can with the valve interior wall of side, valve rod offset direction against, the superposition of pad and hold-down ring makes thickness increase, also larger against intensity with valve interior wall, therefore valve rod reset initial period by hold-down ring, pad and pilot hole structure realize the location of valve rod movement, valve rod shifted cause the leading conical surface and sealing cone can be avoided due to the not good and stuck situation of contact angle by this structure more, thus ensure seal ring all energy parking position accuracies after each exhaust release, outlet valve is made to keep sealing when not needing exhaust release and between distributor.
In outlet valve on above-mentioned distributor, the outer edge of described hold-down ring has location flange, described seal ring and hold-down ring against one end be positioned at locate flange and the madial wall of the outer circumferential face of seal ring and location flange against.Seal ring is flexible, in the initial period that valve rod resets, the outer circumferential face of seal ring can with the valve interior wall of side, valve rod offset direction against, can damage seal ring, by location flange, the outer circumferential face of seal ring is encased, prevent seal ring and hold-down ring against the outer circumferential face of one end and valve interior wall against, play the effect of protection seal ring; Simultaneously due to the outer circumferential face of hold-down ring seal ring and the madial wall of location flange against, seal ring is whole to be positioned at hold-down ring thus to be positioned on valve rod by seal ring, because the mobile route of valve rod is determined, so seal ring all can parking position accuracy after each exhaust release, outlet valve is made to keep sealing when not needing exhaust release and between distributor.
In outlet valve on above-mentioned distributor, the outer edge of the large end of described stem head has spacing flange, and the end face of described seal ring has the limited impression of annular, described spacing flange can embed in limited impression.Seal ring and stem head against one end to be embedded in limited impression by spacing flange and to realize locating, prevent seal ring from occurring offseting relative to valve rod, realize the position of positioning seal ring and valve rod, because the mobile route of valve rod is determined, so seal ring all can parking position accuracy after each exhaust release, outlet valve is made to keep sealing when not needing exhaust release and between distributor; Simultaneously, when sealing, seal ring and stem head against the side face of one end and sealing cone against, limited impression is the middle part being positioned at seal ring end face, limited impression is inserted by the spacing flange of rigidity, seal ring and sealing cone against side face be clipped between sealing cone and spacing flange and be extruded, thus make seal ring and sealing cone more closely against, improve sealing.
In outlet valve on above-mentioned distributor, the valve rod inside described stem head has annular convex shoulder, described seal ring to be enclosed within annular convex shoulder and the inner peripheral surface of seal ring and annular convex shoulder against.This structure makes seal ring to move horizontally, namely seal ring entangles firm on valve rod, because the mobile route of valve rod is determined, so seal ring all can parking position accuracy after each exhaust release, outlet valve is made to keep sealing when not needing exhaust release and between distributor.
Respectively the two ends of seal ring are located by the location flange on hold-down ring and the spacing flange on stem head, simultaneously by the acting in conjunction of the annular convex shoulder on valve rod, thus between hold-down ring seal ring is firmly fixed on valve rod and stem head, after each exhaust release, seal ring all energy parking position accuracies, make outlet valve keep sealing when not needing exhaust release and between distributor.
In outlet valve on above-mentioned distributor, on described seal ring, the middle part of outer circumferential face has the groove of stepping down of annular.Seal ring and sealing cone against time there will be distortion, the outer circumferential face of seal ring is divided into upper and lower two parts by groove of stepping down, its middle and lower part and sealing cone against, top and hold-down ring against, therefore when sealing, the seal ring of bottom can deformation, and groove of stepping down can provide and allow bit space, makes the seal ring deformation of bottom freely, can be suitable with sealing cone, realize best sealability; Groove of simultaneously stepping down avoids the seal ring on top along with deformation, make the seal ring on top seal time still can with hold-down ring and locate flange against, all the time seal ring is accurately located.
In outlet valve on above-mentioned distributor, the outer circumferential face that described seal ring is positioned at groove both sides of stepping down is arc surface.Arc surface is comparatively large with the area of contact of sealing cone after the deformation of seal ring pressurized, can play best sealability; The outer circumferential face of groove both sides of simultaneously stepping down is arc surface and can, when mounted without the need to estimating the problem of seal ring positive and negative, makes easy for installation.
In outlet valve on above-mentioned distributor, described valve rod is connected with draw ring through on one end of valve gap.Draw ring conveniently can pull valve rod when initiatively exitting release.
In outlet valve on above-mentioned distributor, described valve body and/or valve gap have air outlet.After seal ring is separated with sealing cone, outlet valve is communicated with distributor, and gas is discharged by air outlet after between seal ring and sealing cone from distributor, realizes exhaust release.
Compared with prior art, outlet valve on this distributor has can play the automatic vent release when fat internal pressure overloads and this outlet valve can make the seal ring on valve rod can fit with the sealing cone on valve body is stable all the time after valve rod is vented release, the advantage of the sealing of guarantee outlet valve.
Accompanying drawing explanation
Fig. 1 is the perspective view of the distributor with outlet valve.
Fig. 2 is the perspective view of outlet valve.
Fig. 3 is the explosive view of outlet valve.
Fig. 4 is the sectional structure schematic diagram of outlet valve.
Fig. 5 is structural representation when valve rod is provided with seal ring in outlet valve.
Fig. 6 is the perspective view of valve rod.
Fig. 7 is the perspective view of valve body.
Fig. 8 is the perspective view of hold-down ring.
Fig. 9 is the perspective view of seal ring.
In figure, 1, distributor; 11, air inlet nozzle; 2, outlet valve; 3, valve body; 3a, connecting end; 31, air outlet; 32, sealing cone; 4, valve rod; 41, stem head; 41a, the guiding conical surface; 411, spacing flange; 42, annular convex shoulder; 5, valve gap; 51, pilot hole; 6, seal ring; 61, limited impression; 62, to step down groove; 7, hold-down ring; 71, flange is located; 8, pad; 9, holddown spring; 10, draw ring.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
The present embodiment as shown in Figures 1 to 9, distributor 1 has air inlet nozzle 11, outlet valve 2 is fixed on the sidepiece of air inlet nozzle 11, and outlet valve 2 comprises valve body 3, valve rod 4 and valve gap 5, valve body 3 one end is the connecting end 3a that can be connected with distributor 1, and the valve body 3 of outlet valve 2 is communicated with air inlet nozzle 11; Valve gap 5 is fixed on the other end of valve body 3, and valve rod 4 is arranged in valve body 3, and valve body 3 and/or valve gap 5 have air outlet 31, and in the present embodiment, air outlet 31 has two, and two air outlets 31 are all opened on valve body 3.
Specifically, valve rod 4 one end is the stem head 41 of evagination, stem head 41 has guiding conical surface 41a, there is in valve body 3 sealing cone 32, guiding conical surface 41a is positioned at sealing cone 32, on valve rod 4, cover has seal ring 6 and hold-down ring 7, and the valve rod 4 inside stem head 41 has annular convex shoulder 42, seal ring 6 to be enclosed within annular convex shoulder 42 and the inner peripheral surface of seal ring 6 and annular convex shoulder 42 against.Seal ring 6 is between stem head 41 and hold-down ring 7, on valve rod 4, also cover has pad 8, pad 8 is between holddown spring 9 and hold-down ring 7, the external diameter of seal ring 6 is greater than the external diameter of the large end of guiding conical surface 41a, the external diameter of hold-down ring 7 is greater than the external diameter of seal ring 6, the external diameter of pad 8 is identical with the external diameter of hold-down ring 7, and the outer circumferential face of hold-down ring 7 and the outer circumferential face of pad 8 all can match with the inwall of valve body 3.The outer edge of hold-down ring 7 has location flange 71, seal ring 6 and hold-down ring 7 against one end be positioned at locate flange 71 and the outer circumferential face of seal ring 6 and the madial wall of locating flange 71 against.The outer edge that stem head 41 is held greatly has spacing flange 411, and the end face of seal ring 6 has the limited impression 61 of annular, spacing flange 411 can embed in limited impression 61.
On valve rod 4, also cover has holddown spring 9, holddown spring 9 one end and pad 8 pass through against, the other end and valve gap 5 against, seal ring 6 holddown spring 9 and sealing cone 32 against.
Valve gap 5 has pilot hole 51, the other end of valve rod 4 also can move along pilot hole 51 through pilot hole 51, and valve rod 4 is connected with draw ring 10 through on one end of valve gap 5.
On seal ring 6, the middle part of outer circumferential face has the groove 62 of stepping down of annular, and the outer circumferential face that seal ring 6 is positioned at groove 62 both sides of stepping down is arc surface.The outer circumferential face of seal ring 6 is divided into upper and lower two parts by groove 62 of stepping down, its middle and lower part and sealing cone 32 against, top and hold-down ring 7 against, when sealing, deformation understood by the seal ring 6 of bottom, and groove 62 of stepping down can provide and allow bit space.
When fat internal pressure is normal, outlet valve 2 is sealed against the connecting end 3a be connected with distributor 1 by valve body 3 with sealing cone 32 by valve rod 4 and the seal ring 6 be positioned on valve rod 4, by holddown spring 9, seal ring 6 is fitted closely with sealing cone 32, release need be vented when fat internal pressure overloads, can by jack-up at the stem head 41 of the effect lower valve rod 4 of gas, seal ring 6 can depart from sealing cone 32, both see and can form gap, thus valve body 3 is communicated with distributor 1 realize being vented release, after exhaust release completes, valve rod 4 can reset under the effect of holddown spring 9, makes seal ring 6 and sealing cone 32 against again realizing sealing, in the moving process of above-mentioned valve rod 4, the stem head 41 of valve rod 4 is moved along sealing cone 32 by the guiding conical surface 41a be located thereon, by two cone structures, stem head 41 is moved along the medial axis of valve rod 4, the other end of valve rod 4 moves along pilot hole 51, the two ends of valve rod 4 are respectively by above-mentioned two kinds of structure qualifications, valve rod 4 is moved along the medial axis of valve rod 4 all the time, after valve rod 4 resets, the side face of the seal ring 6 be positioned on valve rod 4 and sealing cone 32 are evenly fitted, thus seal ring 6 all energy parking position accuracies after realizing each exhaust release, outlet valve 2 is made to keep sealing when not needing exhaust release and between distributor 1, hold-down ring 7 can be avoided holddown spring 9 to act directly on seal ring 6 causing seal ring 6 influence of crust deformation sealability, the impacting force of holddown spring 9 can be made to act on seal ring 6 uniformly by hold-down ring 7, make seal ring 6 and sealing cone 32 against side face keeps circular, the sealability of guarantee seal ring 6.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (10)

1. the outlet valve on a distributor, described outlet valve (2) comprises valve body (3), valve rod (4) and valve gap (5), described valve body (3) one end is the connecting end (3a) that can be connected with distributor (1), described valve gap (5) is fixed on the other end of valve body (3), described valve rod (4) is arranged in valve body (3), it is characterized in that, described valve rod (4) one end is the stem head (41) of evagination, stem head (41) has the guiding conical surface (41a), there is in valve body (3) sealing cone (32), the guiding conical surface (41a) is positioned at sealing cone (32), the upper cover of valve rod (4) has seal ring (6) and hold-down ring (7), described seal ring (6) is positioned between stem head (41) and hold-down ring (7), the external diameter of described seal ring (6) is greater than the external diameter of the large end of the guiding conical surface (41a), on described valve rod (4), also cover has holddown spring (9), described seal ring (6) by holddown spring (9) and sealing cone (32) against, described valve gap (5) has pilot hole (51), the other end of described valve rod (4) passes pilot hole (51) and can be mobile along pilot hole (51).
2. the outlet valve on distributor according to claim 1, it is characterized in that, the external diameter of described hold-down ring (7) is greater than the external diameter of seal ring (6), and the outer circumferential face of described hold-down ring (7) can match with the inwall of valve body (3).
3. the outlet valve on distributor according to claim 2, it is characterized in that, on described valve rod (4), also cover has pad (8), described pad (8) is positioned between holddown spring (9) and hold-down ring (7), the external diameter of described pad (8) is identical with the external diameter of hold-down ring (7), and the outer circumferential face of described pad (8) can match with the inwall of valve body (3).
4. the outlet valve on the distributor according to claim 1 or 2 or 3, it is characterized in that, the outer edge of described hold-down ring (7) has location flange (71), described seal ring (6) and hold-down ring (7) against one end be positioned at locate flange (71) and the outer circumferential face of seal ring (6) and the madial wall of locating flange (71) against.
5. the outlet valve on the distributor according to claim 1 or 2 or 3, it is characterized in that, the outer edge that described stem head (41) is held greatly has spacing flange (411), the end face of described seal ring (6) has the limited impression (61) of annular, described spacing flange (411) can embed in limited impression (61).
6. the outlet valve on the distributor according to claim 1 or 2 or 3, it is characterized in that, the valve rod (4) of described stem head (41) inner side has annular convex shoulder (42), described seal ring (6) be enclosed within the upper and inner peripheral surface of seal ring (6) of annular convex shoulder (42) and annular convex shoulder (42) against.
7. the outlet valve on the distributor according to claim 1 or 2 or 3, is characterized in that, the middle part of the upper outer circumferential face of described seal ring (6) has the groove of stepping down (62) of annular.
8. the outlet valve on distributor according to claim 7, is characterized in that, the outer circumferential face that described seal ring (6) is positioned at groove of stepping down (62) both sides is arc surface.
9. the outlet valve on the distributor according to claim 1 or 2 or 3, is characterized in that, the one end through valve gap (5) is connected with draw ring (10) to described valve rod (4).
10. the outlet valve on the distributor according to claim 1 or 2 or 3, is characterized in that, described valve body (3) and/or valve gap (5) have air outlet (31).
CN201510490636.3A 2015-08-11 2015-08-11 A kind of air bleeding valve on distributor Active CN105042121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510490636.3A CN105042121B (en) 2015-08-11 2015-08-11 A kind of air bleeding valve on distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510490636.3A CN105042121B (en) 2015-08-11 2015-08-11 A kind of air bleeding valve on distributor

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CN105042121B CN105042121B (en) 2018-02-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108477731A (en) * 2018-06-01 2018-09-04 呐呀实业(上海)有限公司 The brim of a hat inflated supporting sizing cap
CN114634147A (en) * 2022-04-20 2022-06-17 塔罗斯科技股份有限公司 Pressure relief structure of cask

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518329A (en) * 1984-03-30 1985-05-21 Weaver Joe T Wear resistant pump valve
CN201103745Y (en) * 2007-11-16 2008-08-20 中核苏阀科技实业股份有限公司 High-temperature high-pressure valve sealing ring for hydrotreating device
DE102008034783A1 (en) * 2008-06-18 2009-12-24 Robert Bosch Gmbh Check valve for use during electrohydraulic hoisting gear regulation of agricultural commercial motor vehicle, has sealing arrangement arranged to valve body, where supporting body of sealing arrangement encloses sealing ring in sections
CN203488796U (en) * 2013-08-20 2014-03-19 卓旦春 Check valve
CN204922097U (en) * 2015-08-11 2015-12-30 玉环县和成铜业有限公司 Air bleeding valve on distributor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518329A (en) * 1984-03-30 1985-05-21 Weaver Joe T Wear resistant pump valve
CN201103745Y (en) * 2007-11-16 2008-08-20 中核苏阀科技实业股份有限公司 High-temperature high-pressure valve sealing ring for hydrotreating device
DE102008034783A1 (en) * 2008-06-18 2009-12-24 Robert Bosch Gmbh Check valve for use during electrohydraulic hoisting gear regulation of agricultural commercial motor vehicle, has sealing arrangement arranged to valve body, where supporting body of sealing arrangement encloses sealing ring in sections
CN203488796U (en) * 2013-08-20 2014-03-19 卓旦春 Check valve
CN204922097U (en) * 2015-08-11 2015-12-30 玉环县和成铜业有限公司 Air bleeding valve on distributor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108477731A (en) * 2018-06-01 2018-09-04 呐呀实业(上海)有限公司 The brim of a hat inflated supporting sizing cap
CN114634147A (en) * 2022-04-20 2022-06-17 塔罗斯科技股份有限公司 Pressure relief structure of cask
WO2023201939A1 (en) * 2022-04-20 2023-10-26 塔罗斯科技股份有限公司 Pressure relief structure for beer barrel
CN114634147B (en) * 2022-04-20 2024-04-23 塔罗斯科技股份有限公司 Decompression structure of wine barrel

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Denomination of invention: Exhaust valve on distributor

Effective date of registration: 20211227

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