CN207796239U - Relief valve - Google Patents

Relief valve Download PDF

Info

Publication number
CN207796239U
CN207796239U CN201721888208.7U CN201721888208U CN207796239U CN 207796239 U CN207796239 U CN 207796239U CN 201721888208 U CN201721888208 U CN 201721888208U CN 207796239 U CN207796239 U CN 207796239U
Authority
CN
China
Prior art keywords
connector
mandril
bleeder valve
delivery pipe
thimble
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.)
Active
Application number
CN201721888208.7U
Other languages
Chinese (zh)
Inventor
陶键
张义兵
刘长林
黄健
张凯
岳霄
毛彦恒
王磊
张艳琳
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.)
Petrochina Co Ltd
Original Assignee
Petrochina 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 Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201721888208.7U priority Critical patent/CN207796239U/en
Application granted granted Critical
Publication of CN207796239U publication Critical patent/CN207796239U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Pipe Accessories (AREA)

Abstract

The utility model discloses a relief valve belongs to pipeline pressure release field. The relief valve includes: adapter connects and ejector pin, be provided with the through-hole that link up along the axial that the adapter connects on the adapter connects, the adapter connects and cup joints on the ejector pin through the through-hole, the both ends of ejector pin are located the adapter and connect outside, the first end of ejector pin is connected with the first end that the adapter connects, the second end of ejector pin and the inner wall contactless of the second end that the adapter connects, be provided with the exhaust hole that communicates with the through-hole on the lateral wall of the second end that the adapter connects, the second end that the adapter connects is used for being connected with the disk seat of check valve, the second end of ejector pin is used for pushing away the case. The utility model discloses help solving the comparatively complicated problem of the installation of bleeder valve, simplify the installation of bleeder valve. The utility model is used for the pipeline pressure release.

Description

Bleeder valve
Technical field
The utility model is related to pipeline pressure release field, more particularly to a kind of bleeder valve.
Background technology
In the transportational process of the gases such as natural gas, it is often necessary to pressure release is carried out to gas pipeline, to reduce gas pipeline Pressure, protection be mounted on gas pipeline on utensil.Wherein, it is usually installed with check valve on gas pipeline, the check valve Transmission or cut-off for controlling gas.
In the related technology, bleeder valve can be installed on gas pipeline, pressure release is carried out to gas pipeline by bleeder valve, it should Bleeder valve is usually independently arranged with check valve.It that is to say, check valve and bleeder valve are separately installed on gas pipeline,
In the process of implementing the utility model, inventor has found that the relevant technologies have at least the following problems:
Since bleeder valve and check valve are independently arranged, the installation process of bleeder valve is complex.
Invention content
The utility model provides a kind of bleeder valve, can solve the problems, such as that the installation process of bleeder valve is complex.This reality Technical solution with novel offer is as follows:
The utility model provides a kind of bleeder valve, and the bleeder valve includes:It is adapted to connector and mandril,
Be provided on the adaptation connector along the adaptation connector axially through through-hole, the adaptation connector passes through institute It states through-hole to be socketed on the mandril, the both ends of the mandril are located at outside the adaptation connector, the first end of the mandril and institute The first end connection of adaptation connector is stated, the second end of the mandril is not contacted with the inner wall of the second end of the adaptation connector, institute It states and is provided with the gas vent being connected to the through-hole on the side wall of the second end of adaptation connector, the second end of the adaptation connector is used It is connect in the valve seat with check valve, the second end of the mandril is used for the spool of the open-top check valve.
Optionally, the bleeder valve further includes:Delivery pipe, the first end of the delivery pipe are connect with the adaptation connector, The delivery pipe is connected to the gas vent.
Optionally, the mandril includes:Threaded rod and thimble, the threaded rod are fixedly connected with the thimble, and described The length direction of threaded rod is parallel with the length direction of the thimble, the threaded rod and the first end screw thread for being adapted to connector Connection, the thimble are used for the spool of the open-top check valve.
Optionally, the mandril further includes:Bracing piece, one end of the bracing piece are connect with the threaded rod, the other end It is connect with the thimble.
Optionally, the through-hole is circular through hole, and the bracing piece is round-like structure, the diameter of the bracing piece from by The nearly threaded rod is sequentially reduced to far from the threaded rod, and the maximum outside diameter of the bracing piece is less than the hole of the through-hole Diameter.
Optionally, the threaded rod, the bracing piece and the thimble are structure as a whole, and the axis of the threaded rod, The axis collinear of the axis of the bracing piece and the thimble.
Optionally, the bleeder valve further includes:Fastening nut, the fastening nut setting are fitted in the delivery pipe with described On one end of connector connection.
Optionally, the first end of the mandril and the second end of the delivery pipe are both provided with rotating handle.
Optionally, the first end of the delivery pipe is connect with the adaptation joint screw thread.
Optionally, the value range of the length of the delivery pipe is 5 centimetres~10 centimetres.
The advantageous effect that technical solution provided by the utility model is brought is:
Bleeder valve provided by the utility model includes adaptation connector and mandril, is adapted to and is provided on connector along adaptation connector Axially through through-hole, adaptation connector is socketed in by through-hole on mandril, and the both ends of mandril are located at outside adaptation connector, the of mandril One end is connect with the first end of adaptation connector, and the second end of mandril is not contacted with the inner wall of the second end of adaptation connector, and adaptation connects It is provided with the gas vent being connected to through-hole on the side wall of the second end of head, is adapted to the second end of connector for the valve seat with check valve Connection, the second end of mandril are used for the spool of open-top check valve.Since the adaptation connector of bleeder valve can be with the valve seat of check valve The mandril of connection, bleeder valve is capable of the spool progress pressure release of open-top check valve, and therefore, the bleeder valve with check valve without independently setting It sets, can solve the problems, such as that the installation process of bleeder valve is complex, simplify the installation process of bleeder valve.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited Utility model.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram for bleeder valve that the utility model embodiment provides;
Fig. 2 is the structural schematic diagram for another bleeder valve that the utility model embodiment provides;
Fig. 3 is the exploded view of bleeder valve shown in Fig. 2.
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model Embodiment, and for explaining the principles of the present invention together with specification.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work Under the premise of all other embodiment for being obtained, shall fall within the protection scope of the present invention.
Bleeder valve is a kind of aperture by the opening and closing element in application valve body to adjust the valve of the flow of medium, bleeder valve It can be arranged on pipeline, by the pressure reduction of the medium (such as natural gas) transmitted in pipeline, meanwhile, bleeder valve can be by The effect of downstream pressure adjusts the aperture of opening and closing element, and downstream pressure is made to keep in a certain range, in inlet pressure constantly changing In the case of, keep outlet pressure in the range of setting, protection is mounted on the utensil on pipeline.In the fortune of the gases such as natural gas During defeated, need to carry out pressure release to storage tank or gas pipeline using bleeder valve.But note is only installed on some gas pipelines Fat check valve, and bleeder valve is not installed, it is not easy to blowdown pressure letdown operation, there are larger security risks.The utility model is implemented The bleeder valve that example provides may be mounted on the valve seat of check valve, carry out pressure release to check valve, and then to being equipped with check valve Gas pipeline carries out pressure release, and the structure of the bleeder valve is simple, and installation process is simple and facilitates pressure release, excludes security risk.This reality The bleeder valve provided with new embodiment please refers to following embodiments.
Referring to FIG. 1, a kind of structural schematic diagram of the bleeder valve provided it illustrates the utility model embodiment, referring to figure 1, which includes:It is adapted to connector 01 and mandril 02.
It is provided on adaptation connector 01 along through-hole a logical axial x of adaptation connector 01, adaptation connector 01 passes through through-hole a It is socketed on mandril 02, the both ends of mandril 02 are located at outside adaptation connector 01, and the both ends of mandril 02 include first end and second end, are fitted Connector 01 includes both ends, and the both ends of the adaptation connector 01 are respectively first end and second end, and the first end of mandril 02 is (in Fig. 1 Do not mark) with adaptation connector 01 first end (not marked in Fig. 1) connect, the second end (not marked in Fig. 1) of mandril 02 with fit The inner wall of the second end (not marked in Fig. 1) of connector 01 does not contact, be adapted to connector 01 second end side wall on be provided with The second end of the gas vent k of through-hole a connections, adaptation connector 01 are used for the valve seat of check valve (not shown in figure 1) (in Fig. 1 not Show) it connects, the second end of mandril 02 is used for the spool (not shown in figure 1) of open-top check valve.
Wherein, the second end of adaptation connector 01 can be threadedly coupled with the valve seat of check valve.Check valve is generally arranged at pipe On road, the bleeder valve that the utility model embodiment provides is mounted on the valve seat of check valve, in the 02 open-top list of mandril of bleeder valve To after the spool of valve, the gas in pipeline passes sequentially through check valve, through-hole a and gas vent k, is discharged out of pipeline, realization is let out Pressure.
In conclusion the utility model embodiment provide bleeder valve, due to bleeder valve adaptation connector can with it is unidirectional The valve seat of valve connects, and the spool that the mandril of bleeder valve is capable of open-top check valve carries out pressure release, therefore, the bleeder valve be not necessarily to it is unidirectional Valve is independently arranged, and can solve the problems, such as that the installation process of bleeder valve is complex, simplifies the installation process of bleeder valve.
Fig. 2 is the structural schematic diagram for another bleeder valve that the utility model embodiment provides, and Fig. 3 is shown in Fig. 2 lets out The exploded view for putting valve, in conjunction with Fig. 2 and Fig. 3, on the basis of Fig. 1, which further includes:Delivery pipe 03, delivery pipe 03 include Both ends, the both ends of delivery pipe 03 include first end and second end, the first end (not marked in Fig. 2 and Fig. 3) of delivery pipe 03 with It is adapted to connector 01 to connect, delivery pipe 03 is connected to gas vent k.During pressure release, the gas in pipeline passes sequentially through through-hole a Enter delivery pipe 03 with gas vent k, and is discharged from delivery pipe 03.
Optionally, the first end of delivery pipe 03 is threadedly coupled with connector 01 is adapted to.Illustratively, it is adapted to 01 upper air-vent of connector The positions k are provided with internal thread, and the first end of delivery pipe 03 is provided with external screw thread, and the first end of delivery pipe 03 is inserted into gas vent K, and the external screw thread for being adapted to the first end of internal thread and the delivery pipe 03 of connector 01 coordinates, makes the first end of delivery pipe 03 and is adapted to Connector 01 is threadedly coupled.In the utility model embodiment, the first end of delivery pipe 03 be adapted to that connector 01 is threadedly coupled can be so as to In delivery pipe 03 and the installation for being adapted to connector 01, and convenient for being dismantled to adaptation connector 01 and delivery pipe 03.
Optionally, the value range of the length of delivery pipe 03 is 5 centimetres~10 centimetres, illustratively, the length of delivery pipe 03 It is 7 centimetres.In practical application, since there is the gas in pipeline certain pressure, the delivery pipe 03 can draw to gas It leads, gas is made to be discharged towards preset direction, prevent gas from directly purging pipeline or being sprayed towards staff, be conducive to safety in production.
Further, as shown in Figures 2 and 3, mandril 02 includes:Threaded rod 021 and thimble 022, threaded rod 021 and thimble 022 is fixedly connected, and length direction (Fig. 2 of length direction (not marked in Fig. 2 and Fig. 3) and thimble 022 of threaded rod 021 With do not marked in Fig. 3) it is parallel, threaded rod 021 and be adapted to connector 01 first end be threadedly coupled, thimble 022 be used for open-top list To the spool (being not shown in Fig. 2 and Fig. 3) of valve (being not shown in Fig. 2 and Fig. 3).
Wherein, threaded rod 021 is threadedly coupled with the first end for being adapted to connector 01 can be such that mandril 02 is detachably arranged in It is adapted on connector 01, in addition, the bleeder valve that the utility model embodiment provides is in pressure release, staff needs mandril 02 Second end heads into check valve, if threaded rod 021 be adapted to 01 non-threaded connection of connector, staff is by the of mandril 02 When two ends head into check valve, the force situation to mandril 02 is more difficult to control, for example, if the power that staff applies to mandril 02 It is larger, then check valve may be damaged, if the power that staff applies to mandril 02 is smaller, mandril 02 possibly can not head into list To valve.In the bleeder valve that the utility model embodiment provides, since threaded rod 021 connects with the first end screw thread for being adapted to connector 01 It connects, the second end of mandril 02 can be headed into check valve by staff by rotating mandril 02, and the process is easily operated, and herein 02 uniform force of mandril in the process, can be impaired to avoid check valve.
Further, please continue to refer to Fig. 2 and Fig. 3, which further includes:Bracing piece 023, one end of bracing piece 023 It is connect with threaded rod 021, the other end is connect with thimble 022.Wherein, through-hole a can be circular through hole, and bracing piece 023 can be The diameter of round-like structure, bracing piece 023 is sequentially reduced from close to threaded rod 021 to far from threaded rod 021, and bracing piece 023 Maximum outside diameter be less than through-hole a aperture.
In the utility model embodiment, threaded rod 021 can be cylindrical-shaped structure, and the outer diameter of threaded rod 021 can be with The aperture for being adapted to the through-hole a of connector 01 is suitable, and thimble 022 can be to be superimposed formed one by cylindrical-shaped structure and cone-shaped structure Body structure, and the maximum outside diameter of thimble 022 is far smaller than the outer diameter of threaded rod 021.In order to realize pressure release, need to ensure in Jiang Ding When the second end of needle 022 heads into check valve, threaded rod 021 will not block the gas vent k of the second end of adaptation connector 01, therefore, Need the length of thimble 022 being arranged it is longer, but so, since the outer diameter of thimble 022 is smaller, by thimble 022 Second end head into check valve during, thimble 022 is easy to happen deformation, and the utility model embodiment, which passes through, is arranged bracing piece 023, can be longer to avoid the length of thimble 022 to be arranged, ensure in the process that the second end of thimble 022 is headed into check valve In, rotary force is uniformly sent to thimble 022 by threaded rod 021, and thimble 022 is avoided to deform upon, and is avoided thimble 022 and reinforced Bar 023 blocks gas vent k.
Optionally, in the utility model embodiment, threaded rod 021, bracing piece 023 and thimble 022 can be integrated knot Structure, and the axis (being not shown in Fig. 1 to Fig. 3) of threaded rod 021, the axis (being not shown in Fig. 1 to Fig. 3) of bracing piece 023 and top The axis (being not shown in Fig. 1 to Fig. 3) of needle 022 is conllinear.
Further, please continue to refer to Fig. 2 and Fig. 3, which further includes:Fastening nut 04, fastening nut 04 are arranged On one end that delivery pipe 03 is connect with adaptation connector 01.Optionally, fastening nut 04 is socketed in delivery pipe 03 and is adapted to connector On one end of 01 connection, and fastening nut 04 is threadedly coupled with delivery pipe 03, which can compress delivery pipe 03 It is fixed on adaptation connector 01.Delivery pipe 03 is pressed abd fixed on adaptation connector by the utility model embodiment using fastening nut 04 On 01, it can prevent delivery pipe 03 from loosening.
Optionally, the first end of mandril 02 and the second end of delivery pipe 03 are both provided with rotating handle, illustratively, such as Fig. 2 Shown in Fig. 3, the first end of mandril 02 is provided with rotating handle 05, and the second end of delivery pipe 03 is provided with rotating handle 06.Its In, the first end setting rotating handle 05 of mandril 02 can be in order to the rotation to mandril 02, consequently facilitating by the of mandril 02 Two ends head into check valve, delivery pipe 03 second end be arranged rotating handle 06, can in order to by delivery pipe 03 be adapted to connector During 01 is threadedly coupled, apply rotary force to delivery pipe 03.
The bleeder valve that the utility model embodiment provides is mounted on check valve when in use, by the second end for being adapted to connector 01 Valve seat on, when needing pressure release, mandril 02 is pushed up into the spool to check valve by being adapted to the through-hole a of connector 01, and will be unidirectional The spool of valve is open-top, and the gas in pipeline passes sequentially through check valve, through-hole a and gas vent k and enters delivery pipe 03, and passes through discharge Pipe 03 is discharged.When not needing pressure release, mandril 02 is extracted from the valve seat of check valve, mandril 02 is made to be mounted on adaptation connector 01 On.
In conclusion the utility model embodiment provide bleeder valve, due to bleeder valve adaptation connector can with it is unidirectional The valve seat of valve connects, and the spool that the mandril of bleeder valve is capable of open-top check valve carries out pressure release, therefore, the bleeder valve be not necessarily to it is unidirectional Valve is independently arranged, and can solve the problems, such as that the installation process of bleeder valve is complex, simplifies the installation process of bleeder valve.This practicality The bleeder valve that new embodiment provides is simple in structure, can be directly installed on the valve seat of check valve, be easy to implement pressure release, excludes Security risk.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of bleeder valve, which is characterized in that the bleeder valve includes:It is adapted to connector and mandril,
Be provided on the adaptation connector along it is described adaptation connector axially through through-hole, the adaptation connector pass through it is described lead to Hole is socketed on the mandril, and the both ends of the mandril are located at outside the adaptation connector, and the first end of the mandril is fitted with described The first end of connector connects, and the second end of the mandril is not contacted with the inner wall of the second end of the adaptation connector, described suitable Be provided with the gas vent being connected to the through-hole on the side wall of the second end of connector, the second end of the adaptation connector be used for The valve seat of check valve connects, and the second end of the mandril is used for the spool of the open-top check valve.
2. bleeder valve according to claim 1, which is characterized in that the bleeder valve further includes:Delivery pipe, the delivery pipe First end connect with the adaptation connector, the delivery pipe is connected to the gas vent.
3. bleeder valve according to claim 1, which is characterized in that the mandril includes:Threaded rod and thimble, the screw thread Bar is fixedly connected with the thimble, and the length direction of the threaded rod is parallel with the length direction of the thimble, the screw thread Bar is threadedly coupled with the first end for being adapted to connector, and the thimble is used for the spool of the open-top check valve.
4. bleeder valve according to claim 3, which is characterized in that the mandril further includes:Bracing piece, the bracing piece One end is connect with the threaded rod, and the other end is connect with the thimble.
5. bleeder valve according to claim 4, which is characterized in that the through-hole is circular through hole, and the bracing piece is circle The diameter of mesa-shaped structure, the bracing piece is sequentially reduced from close to the threaded rod to far from the threaded rod, and the reinforcement The maximum outside diameter of bar is less than the aperture of the through-hole.
6. bleeder valve according to claim 4, which is characterized in that the threaded rod, the bracing piece and the thimble are Integral structure, and the axis collinear of the axis and the thimble of the axis of the threaded rod, the bracing piece.
7. bleeder valve according to claim 2, which is characterized in that the bleeder valve further includes:Fastening nut, the fastening Nut is arranged on one end that the delivery pipe is connect with the adaptation connector.
8. bleeder valve according to claim 2, which is characterized in that the second of the first end of the mandril and the delivery pipe End is both provided with rotating handle.
9. bleeder valve according to claim 2, which is characterized in that the first end of the delivery pipe is adapted to connector spiral shell with described Line connects.
10. bleeder valve according to claim 2, which is characterized in that the value range of the length of the delivery pipe is 5 centimetres ~10 centimetres.
CN201721888208.7U 2017-12-29 2017-12-29 Relief valve Active CN207796239U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721888208.7U CN207796239U (en) 2017-12-29 2017-12-29 Relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721888208.7U CN207796239U (en) 2017-12-29 2017-12-29 Relief valve

Publications (1)

Publication Number Publication Date
CN207796239U true CN207796239U (en) 2018-08-31

Family

ID=63279595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721888208.7U Active CN207796239U (en) 2017-12-29 2017-12-29 Relief valve

Country Status (1)

Country Link
CN (1) CN207796239U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926069A (en) * 2018-09-19 2020-03-27 南通华信中央空调有限公司 Liquid adding device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926069A (en) * 2018-09-19 2020-03-27 南通华信中央空调有限公司 Liquid adding device and method

Similar Documents

Publication Publication Date Title
CN208670112U (en) A kind of pressure-control valve
CN204466469U (en) Pressure compensation is adjustable water dropper
CN207796239U (en) Relief valve
CN206151961U (en) Manual sputum suction device
CN206845560U (en) A kind of jet pump
CN206943500U (en) A kind of Three-way butterfly valve
CN207172701U (en) A kind of solid wall pipe production traction assisting device
CN201912898U (en) Through-flow adjustable shooting flow type ozone mixing device
CN206889738U (en) A kind of ball valve
CN210661832U (en) Pressure relief valve device
CN202139643U (en) Fire hydrant outside surge chamber
CN209026347U (en) A kind of fixation kit on height pressure device
CN202492887U (en) Rotating outdoor hydrant
CN206083779U (en) Awl is shunted to even refrigerated fast
CN201661717U (en) Exhaust ball valve
CN203670953U (en) Water valve arranged on pressure barrel
CN206366138U (en) A kind of balloon knotter
CN207034309U (en) A kind of rotary pressure regulator
CN2911350Y (en) Fluid gate valve
CN209002519U (en) A kind of ground nozzle structure in gardens
CN207422942U (en) A kind of coil condenser structure
CN203874200U (en) Full-automatic double-pipeline lavage device
CN209725556U (en) A kind of pressure injecting device
CN205618896U (en) It can quick -operation joint to fill
CN203743445U (en) Valve core for fire extinguisher valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant