CN203784319U - Self-sealing pressure stop valve - Google Patents

Self-sealing pressure stop valve Download PDF

Info

Publication number
CN203784319U
CN203784319U CN201420098327.2U CN201420098327U CN203784319U CN 203784319 U CN203784319 U CN 203784319U CN 201420098327 U CN201420098327 U CN 201420098327U CN 203784319 U CN203784319 U CN 203784319U
Authority
CN
China
Prior art keywords
valve
nut
deck
gap
flap
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.)
Expired - Fee Related
Application number
CN201420098327.2U
Other languages
Chinese (zh)
Inventor
丁学峰
蔡雷
顾云飞
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.)
DAFENG OKAY FLUID MACHINERY Co Ltd
Original Assignee
DAFENG OKAY FLUID MACHINERY 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 DAFENG OKAY FLUID MACHINERY Co Ltd filed Critical DAFENG OKAY FLUID MACHINERY Co Ltd
Priority to CN201420098327.2U priority Critical patent/CN203784319U/en
Application granted granted Critical
Publication of CN203784319U publication Critical patent/CN203784319U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a self-sealing pressure stop valve which has a good buffering effect. The self-sealing pressure stop valve comprises a valve body, wherein an inlet channel and an outlet channel are formed in the valve body; a valve clack mutually matched with the inlet channel and the outlet channel is arranged in the valve body, and a chromium alloy block is arranged on the valve clack; a circular arc bulge mutually matched with the chromium alloy block is formed at one end of a valve rod, the chromium alloy block on the valve clack is propped against the circular arc bulge at one end of the valve rod, the other end of the valve rod extends out of a nut on a valve deck to be connected with a handle, the nut and the valve deck are connected through a fixed screw, and the valve deck is arranged in the valve body through a valve nut; and a soft stainless steel seal ring is arranged between the valve nut and the valve deck, an inclined surface arranged at the lower end of the soft stainless steel seal ring is mutually matched with an inclined surface at the upper end of the valve deck, and a hard alloy is arranged on the inclined surface at the upper end of the valve deck.

Description

Pressure self-sealing stop valve
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of pressure self-sealing stop valve.
Background technique
Fluid in cutting out pipeline effectively all can be provided with valve on pipeline.Existing valve generally only has a kind of function cut-off or non-return, function ratio is more single, and be all to adopt vertical arrangement, cushioning effect is poor, and some places are because Long contact time wear rate is high, cause valve shortening in working life, firm poor performance between valve rod and valve gap, controls inaccuracy simultaneously, and the sealability between valve body and valve gap does not reach requirement, easily cause liquid medium to leak, can not meet well usage requirement.
Model utility content
Technical problem to be solved in the utility model is: the pressure self-sealing stop valve that a kind of good buffer effect is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: pressure self-sealing stop valve, comprise: valve body, in described valve body, be provided with inlet passage and outlet passage, in described valve body, be provided with the flap cooperatively interacting with inlet passage and outlet passage, on flap, be provided with evanohm piece, on one end of valve rod, be provided with the circular arc projection cooperatively interacting with evanohm piece, evanohm piece on flap and the circular arc projection on valve rod one end offset, the nut that the other end of valve rod stretches out on valve gap is connected with handle, between described nut and valve gap, by set screw, be connected, described valve gap is arranged in valve body by valve mother, between described valve mother and valve gap, be provided with soft stainless steel sealing ring, the inclined-plane that the lower end of described soft stainless steel sealing ring is provided with inclined-plane and valve gap upper end cooperatively interacts, on the inclined-plane, upper end of described valve gap, be provided with cemented carbide.
The utility model has the advantages that: above-mentioned pressure self-sealing stop valve is arranged on pipeline to have two kinds of functions of stop valve and safety check, frictional force is little simultaneously, the good buffer effect of y type structure, easy to maintenance, during operation, firm performance is good, good sealing effect, can meet usage requirement well.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model pressure self-sealing stop valve.
In figure: 1, valve body, 2, inlet passage, 3, outlet passage, 4, flap, 5, evanohm piece, 6, valve rod, 7, circular arc projection, 8, valve gap, 9, nut, 10, handle, 11, set screw, 12, valve is female, 13, soft stainless steel sealing ring, 14, cemented carbide.
Embodiment
Below in conjunction with the drawings and specific embodiments, describe in detail particular content of the present utility model.
As shown in Figure 1, pressure self-sealing stop valve, comprise: valve body 1, in described valve body 1, be provided with inlet passage 2 and outlet passage 3, in described valve body 1, be provided with the flap 4 cooperatively interacting with inlet passage 2 and outlet passage 3, on flap 4, be provided with evanohm piece 5, on one end of valve rod 6, be provided with the circular arc projection 7 cooperatively interacting with evanohm piece 5, evanohm piece 5 on flap 4 offsets with the circular arc projection 7 on valve rod 6 one end, the nut 9 that the other end of valve rod 6 stretches out on valve gap 8 is connected with handle 10, between described nut 9 and valve gap 8, by set screw 11, be connected, described valve gap 8 is arranged in valve body 1 by valve mother 12, between described valve female 12 and valve gap 8, be provided with soft stainless steel sealing ring 13, the inclined-plane that the lower end of described soft stainless steel sealing ring 13 is provided with inclined-plane and valve gap 8 upper ends cooperatively interacts, on the inclined-plane, upper end of described valve gap 8, be provided with cemented carbide 14.
Above-mentioned pressure self-sealing stop valve is arranged on pipeline, fluid enters in valve body 1 by inlet passage 2, by handle 10 poppet stem 6 upwards, flap 4 is backed down by fluid, inlet passage 2 and outlet passage 3 are communicated with, when fluid interior through out-of-date at valve body 1, can produce thrust upwards to valve gap 8, thrust is larger, valve gap 8 is better in the effect lower seal performance of soft stainless steel sealing ring 13 and cemented carbide 14, can there is not fluid leakage, valve rod is connected for 11 2 times by set screw with valve gap, more firmly firm during operation, when needs throttle down, by handle 10, push valve rod 6 downwards, flap 4 makes inlet passage 2 and outlet passage 3 be spaced under the effect of valve rod 6, the circular arc projection 7 of valve rod 6 one end offsets with evanohm piece 5, reduced the wear rate between flap 4 and valve rod 6, extended the working life of valve, the impact force that flap 4 is subject to fluid reduces, played good buffer function.

Claims (1)

1. pressure self-sealing stop valve, it is characterized in that: comprising: valve body (1), in described valve body (1), be provided with inlet passage (2) and outlet passage (3), in described valve body (1), be provided with the flap (4) cooperatively interacting with inlet passage (2) and outlet passage (3), on flap (4), be provided with evanohm piece (5), on one end of valve rod (6), be provided with the circular arc projection (7) cooperatively interacting with evanohm piece (5), evanohm piece (5) on flap (4) offsets with the circular arc projection (7) on valve rod (6) one end, the nut (9) that the other end of valve rod (6) stretches out on valve gap (8) is connected with handle (10), between described nut (9) and valve gap (8), by set screw (11), be connected, described valve gap (8) is arranged in valve body (1) by valve female (12), between described valve female (12) and valve gap (8), be provided with soft stainless steel sealing ring (13), the inclined-plane that the lower end of described soft stainless steel sealing ring (13) is provided with inclined-plane and valve gap (8) upper end cooperatively interacts, on the inclined-plane, upper end of described valve gap (8), be provided with cemented carbide (14).
CN201420098327.2U 2014-03-05 2014-03-05 Self-sealing pressure stop valve Expired - Fee Related CN203784319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420098327.2U CN203784319U (en) 2014-03-05 2014-03-05 Self-sealing pressure stop valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420098327.2U CN203784319U (en) 2014-03-05 2014-03-05 Self-sealing pressure stop valve

Publications (1)

Publication Number Publication Date
CN203784319U true CN203784319U (en) 2014-08-20

Family

ID=51320507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420098327.2U Expired - Fee Related CN203784319U (en) 2014-03-05 2014-03-05 Self-sealing pressure stop valve

Country Status (1)

Country Link
CN (1) CN203784319U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103899767A (en) * 2014-03-05 2014-07-02 大丰市奥凯流体机械有限公司 Pressure self-sealing stop valve
CN110410513A (en) * 2019-07-31 2019-11-05 江苏圣泰阀门有限公司 Y type pressure seal shut-off valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103899767A (en) * 2014-03-05 2014-07-02 大丰市奥凯流体机械有限公司 Pressure self-sealing stop valve
CN110410513A (en) * 2019-07-31 2019-11-05 江苏圣泰阀门有限公司 Y type pressure seal shut-off valve

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Zhu Huabing

Inventor after: Ding Xuefeng

Inventor after: Cai Lei

Inventor after: Gu Yunfei

Inventor before: Ding Xuefeng

Inventor before: Cai Lei

Inventor before: Gu Yunfei

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: DING XUEFENG CAI LEI GU YUNFEI TO: ZHU HUABING DING XUEFENG CAI LEI GU YUNFEI

C53 Correction of patent for invention or patent application
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140820

Termination date: 20160305