CN202349318U - Breakaway coupling valve - Google Patents
Breakaway coupling valve Download PDFInfo
- Publication number
- CN202349318U CN202349318U CN2011205342539U CN201120534253U CN202349318U CN 202349318 U CN202349318 U CN 202349318U CN 2011205342539 U CN2011205342539 U CN 2011205342539U CN 201120534253 U CN201120534253 U CN 201120534253U CN 202349318 U CN202349318 U CN 202349318U
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- valve block
- valve
- joint
- body seat
- valve body
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- Expired - Lifetime
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Abstract
The utility model discloses a breakaway coupling valve. The breakaway coupling valve is characterized in that the breakaway coupling valve comprises a valve body seat A and a valve body seat B which are oppositely arranged; a first joint is connected with the valve body seat A; a second joint is connected with the valve body seat B; a valve core A and a valve core B which are formed by valve core seats and valve rods are arranged inside the valve body seat A and the valve body seat B respectively; the valve rods corresponding to the valve core A and the valve core B are penetrated through the middle parts of the other ends of the valve body seat A and the valve body seat B and are in an opposite state; the diameters of the valve core seats corresponding to the valve core A and the valve core B are larger than a small diameter of a taper hole to which a tapered channel corresponds; a plurality of through holes are distributed at the periphery of the taper hole to which the valve body seat A and the valve body seat B correspond; a pulling ring is also arranged on the valve body seat B and is movably connected with a fastener; the other end of the fastener is a connecting end with an inclined surface and is fastened on the valve body seat A; and the middle part of the fastener is a raised part which is clamped at the periphery of the valve body seat B; and a spring is clamped between the valve body seat A and the pulling ring. The breakaway coupling valve provided by the utility model has simple structure and good sealing performance, is convenient to install and use and low in cost, can be used in an ultralow temperature high-pressure environment and is suitable for being applied to a LNG (Liquefied Natural Gas) liquid charging machine. The breakaway coupling valve provided by the utility model has the advantages that liquid in a pipeline can be prevented from splashing and damaging human bodies, the using safety of the LNG liquid charging machine is ensured, the generalization is facilitated, the normal using period is long, the maintenance cost can be reduced, the sealing performance is stable, and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of Pull breaking ualve (emergency shutoff device).
Background technique
The application of Pull breaking ualve and popularization have related to a lot of relevant industries, and the Pull breaking ualve product that is used for all trades and professions at present has a variety of.
Say from function; The purpose that requires Pull breaking ualve finally to reach is to be reduced to minimum for fear of the probability that high-risk accident maybe will take place with the generation that prevents security incident, to Pull breaking ualve break performance, sealability, reliability and stability requirement after breaking be higher.
Say technically; The technical performance of present whole Pull breaking ualve industry and universal performance also are not very ripe; The application of mainly being presented as Pull breaking ualve is changeable; And majority is to design and produce to single requirement, also has that to be applied to the applicability of multiple environment or medium with a kind of Pull breaking ualve lower, and the versatility that mainly shows as aspects such as working environment, operating temperature, working medium and special industry, particular surroundingss all has certain narrow limitation.Say from structure; The Pull breaking ualve that is used for industry-by-industry, various particular job environment, various working medium occasions and various performance requirements structurally all has certain difference, is mainly reflected in the realization of working environment, medium, latus rectum size, material, dismounting technical requirements and additional other function that each parts adopted.
The patent No. is 200620148784.3; Name is called the Chinese utility model patent of Pull breaking ualve, is provided with a plurality of parts such as spool, spring in this Pull breaking ualve, its structure relative complex; Assembling is trouble very, and what the seal arrangement on its spool adopted simultaneously is on spool, to add seal ring.This Pull breaking ualve can not apply to the LNG field.Therefore need improve.
The model utility content
The purpose of the utility model be to provide a kind of simple in structure, can use repeatedly, easy to assembly and Pull breaking ualve that using effect is good, adopt this Pull breaking ualve can avoid liquid splash in the pipeline to go out human body damaged.
The utility model is achieved in that a kind of Pull breaking ualve of structure, it is characterized in that: include the valve block A and the valve block B that set up relatively, between valve block A and the valve block B for breaking the district,
Also comprise being provided with first joint, second joint, first joint is connected with valve block A, and second joint is connected with valve block B,
Wherein the inside of valve block A and valve block B constitutes the passage that has taper respectively; Be provided with spool A and the spool B that constitutes by valve core case and valve rod in valve block A, valve block B inside; The valve rod that spool A and spool B are corresponding passes the middle part of the other end of valve block A and valve block B; And on the valve rod that passes, being provided with collar, the valve rod that spool A and spool B are corresponding is to holding state
The corresponding valve core case diameter of spool A and spool B is greater than the minor diameter of the corresponding cone shape hole of tapered channel,
Be distributed with a plurality of through holes on every side at valve block A and the corresponding cone shape hole of valve block B; Wherein also be provided with the pulling ring on the valve block B; The pulling ring flexibly connects with clamp, and wherein the clamp the other end is the connecting end that has the inclined-plane, and this end snaps onto on the valve block A; The intermediate portion of clamp is the convex portion that is stuck on the valve block B periphery
Wherein spring clip is between valve block A and pulling ring.
According to the described a kind of Pull breaking ualve of the utility model, it is characterized in that: said first joint, second joint have a ring-type projection.
According to the described a kind of Pull breaking ualve of the utility model, it is characterized in that: comprise also being provided with outer cover that the valve block A and the valve block B of Pull breaking ualve intermediate portion covered, and said outer cover two ends just are positioned at the ring-type bump office of first joint, second joint.
According to the described a kind of Pull breaking ualve of the utility model, it is characterized in that: first joint, second joint are provided with packing ring.
According to the described a kind of Pull breaking ualve of the utility model, it is characterized in that: the pulling ring adopts bolt to flexibly connect with clamp.
According to the described a kind of Pull breaking ualve of the utility model, it is characterized in that: it is connected said valve block A and valve block B the place and all has internal thread,
First joint, second joint all have outside thread, and first joint is connected with valve block A through outside thread, and second joint is connected with valve block B through outside thread.
The advantage of the utility model is: the described Pull breaking ualve of the utility model have simple in structure, can use repeatedly, easy to install, with low cost, airtight performance is good; The described Pull breaking ualve of the utility model can use in the environment of ultralow temperature high pressure, is suitable for applying on the LNG liquid filler, and the said Pull breaking ualve of the utility model adopts the design of little leakage formula, makes to break the back sealing load and can reduce gradually; The described Pull breaking ualve of the utility model adopts the outer cover design can avoid the liquid splash in the pipeline, and human body is damaged; Adopt the outer cover design also to have the profile beautiful decoration; Guarantee the safe in utilization of LNG liquid filler, be beneficial to popularization, normal life cycle is long; Can reduce maintenance cost, sealability is stable, long service life.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model internal structure schematic representation.
Fig. 3 is the utility model sectional view.
Fig. 4 is the utility model perspective view.
Among the figure: 101, valve block A, 102, valve block B, 103, first joint, 104, second joint, 105, spool A, 106, spool B; 107, valve core case, 108, valve rod, 109, collar, 110, cone shape hole, 111, through hole; 112, pulling ring, 113, clamp, 114, have a connecting end on inclined-plane, 115, spring, 116, outer cover; 117, ring-type projection, 118, packing ring, 119, bolt, 120, break the district, 121, the convex portion in the middle of the clamp.
Embodiment
Below in conjunction with accompanying drawing the utility model is made detailed description:
The utility model provides a kind of Pull breaking ualve; Shown in Fig. 1-4: include the valve block A101 and the valve block B102 that set up relatively; For breaking district 120, it is connected said valve block A101 and valve block B102 the place and all has internal thread between valve block A101 and the valve block B102.In the described Pull breaking ualve of the utility model, also comprise being provided with first joint 103, second joint 104, wherein first joint is connected with valve block A101, and second joint 104 is connected with valve block B102.The described Pull breaking ualve of the utility model can apply on the LNG filling machine, is fixedly connected with liquid feeding base on the liquid filler through first joint 103,104 realizations of second joint and flexible pipe.First joint 103 of this moment, second joint 104 all have outside thread, and first joint 103 is connected with valve block A101 internal thread through outside thread so, and second joint 104 passes through outside thread and is connected with valve block B102 internal thread.
Wherein the inside of valve block A101 and valve block B102 constitutes the passage that has taper respectively.Because valve block A101 and valve block B102 set up relatively, the cone shape hole 110 in valve block A101 and valve block B102 also is to exist relatively so.Be provided with the spool A105 and the spool B106 that valve core case 107 and valve rod 108 are made up of in valve block A101, valve block B102 inside this moment.The valve rod 108 that spool A105 and spool B106 are corresponding is middle parts of passing the other end of valve block A101 and valve block B102, and on the valve rod that passes 108, is provided with collar 109, is used to limit valve rod 108 and in valve block A101 and valve block B102, moves.Can know that by figure the valve rod 108 that spool A105 under the normal condition and spool B106 are corresponding is to holding state.
As shown in the figure, be distributed with a plurality of through holes 111 on every side at valve block A101 and the corresponding cone shape hole 110 of valve block B102.Wherein also be provided with pulling ring 112 on the valve block B103; Pulling ring 1 flexibly connects with clamp 113; Wherein clamp 113 the other ends are the connecting end 114 that has the inclined-plane; This end snaps onto on the valve block A101, and the intermediate portion of clamp 113 is the convex portion 121 that is stuck on the valve block B102 periphery, and its medi-spring 115 is stuck between valve block A101 and the pulling ring 112.In LNG aerating using process, when the LNG filling machine after aerating is accomplished because special circumstances, the liquid feeding rifle does not leave car body; Automobile starting leaves, and very big power is passed on the flexible pipe, breaks split plot 120 on this moment and the Pull breaking ualve that flexible pipe links to each other; Yielding and rupture under the effect of power, post-rift Pull breaking ualve still exists huge pressure in the pipeline at its two ends; Wherein the valve rod top of the top valve stem of spool A and spool B no longer holds, and under pressure, two spools all move to the fracture port place; Wherein spool A under high pressure breaks away from restriction and fits with the cone shape hole inwall in the valve body A101, seals up the liquid feeding part of pipeline.In like manner, spool B under high pressure breaks away from restriction and fits with the cone shape hole inwall in the valve body B102, avoids the interior liquid of pipeline to spill and hurts sb.'s feelings.
Said first joint 103, second joint 104 have a ring-type projection 117.
Also comprise and be provided with outer cover 116; The valve block A101 and the valve block B102 of Pull breaking ualve intermediate portion are covered; Said outer cover 116 two ends just are positioned at ring-type projection 117 places of first joint 103, second joint 104; Outer cover 116 can play a protective role, and such as playing the effect of protecting Pull breaking ualve inside self and protecting the effect of LNG to operator's injury, in addition outer cover 116 can also play decorating action.And be provided with at packing ring 118 at first joint 103, second joint, 10 places.
Through the described Pull breaking ualve of the utility model have simple in structure, can use repeatedly, easy to install, with low cost, airtight performance is good; The described Pull breaking ualve of the utility model can use in the environment of ultralow temperature high pressure, is suitable for applying on the LNG liquid filler, and the said Pull breaking ualve of the utility model adopts the design of little leakage formula, makes to break the back sealing load and can reduce gradually; The described Pull breaking ualve of the utility model adopts the outer cover design can avoid the liquid splash in the pipeline, and human body is damaged; Adopt the outer cover design also to have the profile beautiful decoration; Guarantee the safe in utilization of LNG liquid filler, be beneficial to popularization, normal life cycle is long; Can reduce maintenance cost, sealability is stable, long service life.
Claims (6)
1. Pull breaking ualve is characterized in that: include the valve block A (101) and the valve block B (102) that set up relatively, between valve block A (101) and the valve block B (102) for breaking district (120),
Also comprise being provided with first joint (103), second joint (104), first joint is connected with valve block A (101), and second joint (104) is connected with valve block B (102),
Valve block A(101 wherein) and valve block B(102) inside constitute the passage that has taper respectively; At valve block A(101), valve block B(102) inside is provided with the spool A(105 that is made of valve core case (107) and valve rod (108)) and spool B(106); Spool A(105) and spool B(106) corresponding valve rod (108) passes valve block A(101) and valve block B(102) the middle part of the other end; And on the valve rod that passes (108), be provided with collar (109); Spool A(105) and spool B(106) corresponding valve rod (108) is for to holding state
Corresponding valve core case (107) diameter of spool A (105) and spool B (106) is greater than the minor diameter of the corresponding cone shape hole (110) of tapered channel,
Be distributed with a plurality of through holes (111) on every side at valve block A (101) and the corresponding cone shape hole (110) of valve block B (102); Wherein also be provided with pulling ring (112) on the valve block B (103); Pulling ring (112) flexibly connects with clamp (113), and wherein clamp (113) the other end is the connecting end (114) that has the inclined-plane, and this end snaps onto on the valve block A (101); The intermediate portion of clamp (113) is for being stuck in the convex portion (121) on valve block B (102) periphery
Its medi-spring (115) is stuck between valve block A (101) and the pulling ring (112).
2. a kind of Pull breaking ualve according to claim 1 is characterized in that: said first joint (103), second joint (104) have a ring-type projection (117).
3. a kind of Pull breaking ualve according to claim 2; It is characterized in that: also comprise being provided with outer cover (116); The valve block A (101) and the valve block B (102) of Pull breaking ualve intermediate portion are covered, and said outer cover (116) two ends just are positioned at the ring-type projection (117) of first joint (103), second joint (104) and locate.
4. a kind of Pull breaking ualve according to claim 3 is characterized in that: first joint (103), second joint (104) locate to be provided with packing ring (118).
5. a kind of Pull breaking ualve according to claim 1 is characterized in that: pulling ring (112) adopts bolt (119) to flexibly connect with clamp (113).
6. a kind of Pull breaking ualve according to claim 1 is characterized in that: it is connected said valve block A (101) and valve block B (102) place and all has internal thread,
First joint (103), second joint (104) all have outside thread, and first joint (103) is connected with valve block A (101) through outside thread, and second joint (104) is connected with valve block B (102) through outside thread.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205342539U CN202349318U (en) | 2011-12-20 | 2011-12-20 | Breakaway coupling valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205342539U CN202349318U (en) | 2011-12-20 | 2011-12-20 | Breakaway coupling valve |
Publications (1)
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CN202349318U true CN202349318U (en) | 2012-07-25 |
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CN2011205342539U Expired - Lifetime CN202349318U (en) | 2011-12-20 | 2011-12-20 | Breakaway coupling valve |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102425694A (en) * | 2011-12-20 | 2012-04-25 | 成都华气厚普机电设备股份有限公司 | Break-away valve |
CN102620022A (en) * | 2012-04-11 | 2012-08-01 | 重庆巨创计量设备股份有限公司 | LNG (Liquefied Natural Gas) online breaking valve |
WO2014086298A1 (en) * | 2012-12-06 | 2014-06-12 | 武汉大禹阀门股份有限公司 | Flow-limiting valve for exploded pipe |
CN109114233A (en) * | 2018-10-11 | 2019-01-01 | 银川特锐宝信息技术服务有限公司 | A kind of liquefied natural gas pneumatic inflation connection protective device |
-
2011
- 2011-12-20 CN CN2011205342539U patent/CN202349318U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102425694A (en) * | 2011-12-20 | 2012-04-25 | 成都华气厚普机电设备股份有限公司 | Break-away valve |
CN102620022A (en) * | 2012-04-11 | 2012-08-01 | 重庆巨创计量设备股份有限公司 | LNG (Liquefied Natural Gas) online breaking valve |
CN102620022B (en) * | 2012-04-11 | 2014-05-21 | 重庆巨创计量设备股份有限公司 | LNG (Liquefied Natural Gas) online breaking valve |
WO2014086298A1 (en) * | 2012-12-06 | 2014-06-12 | 武汉大禹阀门股份有限公司 | Flow-limiting valve for exploded pipe |
CN109114233A (en) * | 2018-10-11 | 2019-01-01 | 银川特锐宝信息技术服务有限公司 | A kind of liquefied natural gas pneumatic inflation connection protective device |
CN109114233B (en) * | 2018-10-11 | 2020-09-04 | 宁夏天利丰能源利用有限公司 | Gas-filled connection protection device for liquefied natural gas steel cylinder |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 610041 No.3, floor 11, building 6, no.599, shijicheng South Road, Chengdu high tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu City, Sichuan Province Patentee after: Houpu clean energy Co., Ltd Address before: 610041 D, Tianfu Software Park, 216 century South Road, Chengdu hi tech Zone, Sichuan, China Patentee before: Chengdu Huaqi Houpu Electromechanical Equipment Co., Ltd. |
|
CP03 | Change of name, title or address | ||
CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
CX01 | Expiry of patent term |