CN209192757U - Deadweight safety valve - Google Patents

Deadweight safety valve Download PDF

Info

Publication number
CN209192757U
CN209192757U CN201821786275.2U CN201821786275U CN209192757U CN 209192757 U CN209192757 U CN 209192757U CN 201821786275 U CN201821786275 U CN 201821786275U CN 209192757 U CN209192757 U CN 209192757U
Authority
CN
China
Prior art keywords
cylinder
reflux
safety valve
deadweight safety
rainhat
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
CN201821786275.2U
Other languages
Chinese (zh)
Inventor
刘伟鹏
刘泽
孙建立
蔡超
黄文凤
关夏
刘树荣
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.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas 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 China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201821786275.2U priority Critical patent/CN209192757U/en
Application granted granted Critical
Publication of CN209192757U publication Critical patent/CN209192757U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of deadweight safety valves, belong to oil product storage technology field.The deadweight safety valve includes: inner cylinder, reflux cylinder assembly, rainhat and at least one baffling cylinder.The inner cylinder is used to be connected to the exhaust outlet of oil storage tank far from one end of the rainhat.Reflux cylinder assembly can be socketed in the outside of the inner cylinder.Multiple baffling cylinders can be successively socketed, and one end of each baffling cylinder can be connect with the inside of the rainhat, and the other end of each baffling cylinder can be located in a reflux cylinder in reflux cylinder assembly.When hydraulic oil is entered in reflux cylinder assembly by inner cylinder, the baffling cylinder protruded into each reflux cylinder can successively change the flow direction of hydraulic oil, to which the flowing velocity of hydraulic oil be effectively reduced, spray hydraulic oil will not from deadweight safety valve, the waste of oil product caused by hydraulic oil leaks and environmental pollution are avoided, ensure that oil storage tank is capable of the work of safely cleaning.

Description

Deadweight safety valve
Technical field
The utility model relates to oil product storage technology field, in particular to a kind of deadweight safety valve.
Background technique
Oil product generallys use oil storage tank storage.Mechanical breather valve is usually provided at the top of oil storage tank.This is mechanically exhaled Inhaling valve can be set at the top of oil storage tank, for controlling the breath pressure of oil storage tank, aspirator vacuum degree, and guarantee oil storage tank Airtightness.
In the related technology, in order to further increase the safety of oil storage tank, hydraulic safe is additionally provided at the top of oil storage tank Valve.The deadweight safety valve can break down in mechanical breather valve or when failure, be exhausted instead of mechanical breather valve or It deflates.
But the refluxing opening in deadweight safety valve is easy to be blocked, and when the pressure in oil storage tank increases suddenly, oil storage tank Interior hydraulic oil can be sprayed onto the top of oil storage tank, lead to oil product waste and environmental pollution.
Summary of the invention
The utility model provides a kind of deadweight safety valve, solves the refluxing opening in deadweight safety valve in the related technology The problem of waste of oil product caused by easily blocking and environmental pollution.Technical solution is as follows:
Provide a kind of deadweight safety valve, the deadweight safety valve include: inner cylinder, reflux cylinder assembly, rainhat with And multiple baffling cylinders;
The inner cylinder is oppositely arranged with the rainhat, and the inner cylinder is hollow columnar structures, and the inner cylinder One end far from the rainhat with the exhaust outlet of oil storage tank for being connected to;
The reflux cylinder assembly is socketed in the outside of the inner cylinder, and is oppositely arranged with the rainhat, described time Flowing cylinder assembly includes multiple reflux cylinders being successively socketed, an each reflux end seal of the cylinder far from the rainhat It closes, close to the open at one end of the rainhat;
The rainhat is globoidal structure, and is connect with the reflux cylinder assembly;
The multiple baffling cylinder is successively socketed, and one end of each baffling cylinder connects on the inside of the rainhat It connects, the other end of each baffling cylinder is located in the reflux cylinder, and there are gaps with the bottom of the reflux cylinder.
Optionally, the deadweight safety valve further include: circular connector;
The circular connector is socketed on the reflux cylinder assembly, and is connect with the inner wall of the rainhat;
Multiple through-holes are provided on the circular connector.
Optionally, in multiple reflux cylinders that the reflux cylinder assembly includes, in addition to external reflux cylinder, other are each Multiple return ports are provided on the side wall of reflux cylinder, the outside of the external reflux cylinder is not socketed reflux cylinder.
Optionally, it is described reflux cylinder assembly include multiple reflux cylinders in, first reflux cylinder bottom with it is described Spacing between one end of inner cylinder, greater than the spacing between the bottom of the second reflux cylinder and one end of the inner cylinder;
Wherein, the second reflux cylinder is relative to the first reflux cylinder close to the inner cylinder.
Optionally, in multiple reflux cylinders that the reflux cylinder assembly includes, in addition to internal reflux cylinder, other are each The flow back bottom of cylinder is the conical surface, and the first spacing between the conical surface and the inner cylinder, be less than the conical surface with it is described The second spacing between inner cylinder;
Wherein, the internal reflux cylinder is socketed on the inner cylinder, and first spacing is the conical surface close to institute The spacing on one side and one end of the inner cylinder of inner cylinder is stated, second spacing is the conical surface far from the inner cylinder The spacing on one side and one end of the inner cylinder.
Optionally, the deadweight safety valve further include: oil filling riser;
It is provided with through-hole on the side wall of the internal reflux cylinder, the oil filling riser passes through the through-hole, and the oil filling riser One end is located in target reflux cylinder, and the other end is located in the internal reflux cylinder, and the target reflux cylinder is socketed in institute It states on internal reflux cylinder.
Optionally, the bottom of the target reflux cylinder is provided with oil return groove, and one end of the oil filling riser is located at described return In oily groove.
Optionally, the deadweight safety valve further include: check valve;
The other end of the oil filling riser is arranged in the check valve.
Optionally, the deadweight safety valve further include: scale;
Through-hole is provided on the rainhat, the scale passes through the through-hole and protrudes into the inside adjacent with the inner cylinder It flows back in cylinder.
Optionally, the deadweight safety valve further include: blow valve;
The bottom of the internal reflux cylinder adjacent with the inner cylinder is arranged in the blow valve.
Technical solution bring beneficial effect provided by the utility model includes at least:
The utility model embodiment provides a kind of deadweight safety valve.The deadweight safety valve includes: inner cylinder, reflux cylinder Component, rainhat and at least one baffling cylinder.The one end of the inner cylinder far from the rainhat is for the oil outlet with oil storage tank Connection.Reflux cylinder assembly can be socketed in the outside of the inner cylinder.Multiple baffling cylinders can be successively socketed, and each baffling One end of cylinder can be connect with the inside of the rainhat, and the other end of each baffling cylinder can be located in reflux cylinder assembly A reflux cylinder in.When hydraulic oil is entered in reflux cylinder assembly by inner cylinder, protruded into each reflux cylinder Baffling cylinder can successively change the flow direction of hydraulic oil, so that the flowing velocity of hydraulic oil be effectively reduced, make hydraulic oil will not It is sprayed from deadweight safety valve, avoids the waste of oil product caused by hydraulic oil leaks and environmental pollution, ensure that oil storage tank can pacify Complete clean work.
Detailed description of the invention
It, below will be to required in embodiment description 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 of deadweight safety valve provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of a kind of inner cylinder provided by the embodiment of the utility model and reflux cylinder assembly;
Fig. 3 is the structural schematic diagram of another deadweight safety valve provided by the embodiment of the utility model;
Fig. 4 is the structural schematic diagram of a kind of rainhat and baffling cylinder provided by the embodiment of the utility model;
Fig. 5 is the cross-sectional view of deadweight safety valve shown in Fig. 3.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is described in further detail.
In order to guarantee the normal production of oil storage tank, mechanical breather valve and hydraulic peace are usually provided at the top of oil storage tank Full valve.When mechanical breather valve breaks down, deadweight safety valve can replace the mechanical breather valve and be exhausted or deflate. Fig. 1 is a kind of structural schematic diagram of deadweight safety valve provided by the embodiment of the utility model.The deadweight safety valve can be set The top of oil storage tank.With reference to Fig. 1, which may include: inner cylinder 001, reflux cylinder assembly 002, rainhat 003 And multiple baffling cylinders 004.The inner cylinder 001 can be oppositely arranged with the rainhat 003, which can be hollow Column structure, and the one end of the inner cylinder 001 far from the rainhat 003 is for (Fig. 1 not to show with the exhaust outlet at the top of oil storage tank It is connected to out).Wherein, it can have gap between the other end of the inner cylinder 001 and the rainhat 003.
Reflux cylinder assembly 002 can be socketed in the outside of the inner cylinder 001, and be oppositely arranged with the rainhat 003, should The cylinder assembly 002 that flows back may include multiple reflux cylinders 002 being successively socketed, and each reflux cylinder 002 is far from rainhat 003 One end can close, can be open close to one end of the rainhat 003.
With reference to Fig. 1 it can also be seen that the rainhat 001 can be globoidal structure, and it is connect with reflux cylinder assembly 002. Multiple baffling cylinders 004 can be successively socketed, and one end of each baffling cylinder 004 can connect with the inside of the rainhat 003 It connects, the other end of each baffling cylinder 004 can be located in a reflux cylinder 002, and can be with the bottom of the reflux cylinder 004 There are gaps in portion.
When the mechanical breather valve being arranged at the top of oil storage tank breaks down, and the pressure in the oil storage tank increases suddenly When, the natural gas in the oil storage tank can push the hydraulic oil in deadweight safety valve to enter reflux cylinder group by inner cylinder 001 In part 002, the baffling cylinder 004 protruded into each reflux cylinder 002 can change the flow direction of hydraulic oil, so as to reduce The flowing velocity of hydraulic oil be sprayed at hydraulic oil will not by deadweight safety valve at the top of oil storage tank.
In conclusion the utility model embodiment provides a kind of deadweight safety valve.The deadweight safety valve includes: inner cylinder Body, reflux cylinder assembly, rainhat and at least one baffling cylinder.The inner cylinder is used for far from one end of the rainhat and oil storage The exhaust outlet of tank is connected to.Reflux cylinder assembly can be socketed in the outside of the inner cylinder.Multiple baffling cylinders can be successively socketed, and One end of each baffling cylinder can be connect with the inside of the rainhat, and the other end of each baffling cylinder can be located at reflux In a reflux cylinder in cylinder assembly.When hydraulic oil is entered in reflux cylinder assembly by inner cylinder, each reflux cylinder The baffling cylinder protruded into vivo can successively change the flow direction of hydraulic oil, so that the flowing velocity of hydraulic oil be effectively reduced, make Hydraulic oil will not be sprayed from deadweight safety valve, avoided the waste of oil product caused by hydraulic oil leaks and environmental pollution, be ensure that storage Oil tank is capable of the work of safely cleaning.
Optionally, one end of each baffling cylinder 004 can pass through welded connecting with the inside of rainhat 003.
Optionally, inner cylinder 001, reflux cylinder assembly 002, rainhat 003 and multiple baffling cylinders 004 can be by iron It is made.It is of course also possible to be made of other materials, such as can be made of cast steel.The utility model embodiment is to being made inner cylinder Body 001, reflux cylinder assembly 002, rainhat 003 and multiple baffling cylinders 004 material without limitation.
Fig. 2 is the structural schematic diagram of a kind of inner cylinder provided by the embodiment of the utility model and reflux cylinder assembly.With reference to Fig. 1 and Fig. 2 can also be seen that in multiple reflux cylinders 002 that reflux cylinder assembly 002 includes, and remove external reflux cylinder 0023 Outside, multiple return port 002a can be provided on the side wall of other each reflux cylinders 002.For example, multiple return port 002a can be set at the middle part of reflux cylinder 002, and be located at the bottom of its adjacent reflux cylinder 002.
The hydraulic oil for flowing into external reflux cylinder 0023 can be made to pass through multiple reflux by multiple return port 002a Hole 002a is flowed back to again in internal reflux cylinder 0021, convenient for the recycling to the hydraulic oil in reflux cylinder assembly 002.And And after being recycled to the hydraulic oil in reflux cylinder assembly 002, it can be ensured that reflux cylinder assembly 002 has enough spaces The hydraulic oil sprayed in oil storage tank is buffered so that hydraulic oil will not due to oil storage tank pressure rise and spray out. Wherein, which refers to that outside is not socketed the reflux cylinder 002 of reflux cylinder 002, i.e. the external reflux cylinder Body 0023 is reflux cylinder 002 on the outermost side in reflux cylinder assembly 002.The internal reflux cylinder 0021 refers to direct set The reflux cylinder 002 on inner cylinder 001 is connect, i.e., the internal reflux cylinder 0021 is in reflux cylinder assembly 002 positioned at most interior The reflux cylinder 002 of side.
In the utility model embodiment, which can be used for storing from external reflux cylinder 0023 The hydraulic oil flowed back to.It that is to say, which can be used for storing hydraulic oil, therefore the internal reflux cylinder 0021 is referred to as oil storage barrel.
It is exemplary, 10 return port 002a, each return port can be evenly arranged on the side wall of a reflux cylinder 002 The diameter of 002a can be 10 millimeters (mm).It is of course also possible to be provided with 15 return port 002a, the utility model embodiment pair The quantity for the return port 002a being arranged on one reflux cylinder 002 without limitation, only need to guarantee that hydraulic oil can be by the reflux Hole 002a is flowed back in internal reflux cylinder 0021.
Fig. 3 is the structural schematic diagram of another deadweight safety valve provided by the embodiment of the utility model.Fig. 4 is that this is practical new The structural schematic diagram of a kind of rainhat and baffling cylinder that type embodiment provides.It can be seen that the hydraulic safe with reference to Fig. 3 and Fig. 4 Valve can also include: circular connector 005.The circular connector 005 can be socketed on the reflux cylinder assembly 002, and with The inner wall of rainhat 003 connects.
Multiple through-hole 005a can be set on the circular connector 005.So that the gas in the deadweight safety valve It is discharged from multiple through-hole, ensure that the safety of the deadweight safety valve.
By the way that the circular connector 005 is arranged, it can enter in the deadweight safety valve to avoid birds and nest, so as to avoid Multiple return port 002a in reflux cylinder assembly 002 are blocked, and ensure that the hydraulic oil for flowing into external reflux cylinder 0023 can Flowed back in internal reflux cylinder 0021 again by multiple return port 002a, without overflowing from external reflux cylinder 0023 Out.
Optionally, which can be cyclic structure, which can be by welding and preventing Rain cap 003 connects.The circular connector 005 can be connect by bolt with reflux cylinder assembly 002.
With reference to Fig. 2, at least one connecting plate 011, each connection can be set on the outer wall of external reflux cylinder 0023 Wall surface of the plate face of plate 011 perpendicular to external reflux cylinder 0023.Also, it can on each connecting plate 011 and circular connector 005 To be provided with internal thread through hole.Bolt can pass through the internal thread through hole and connect reflux cylinder assembly 002 with circular connector 005 It connects.
It is exemplary, it can be uniformly arranged on the outer wall of external reflux cylinder 0023 there are three connecting plate 011.Certainly, external It is also can be set on the outer wall of reflux cylinder 0023 there are two connecting plate 011 or four connecting plates 011, the utility model is implemented Example does not limit this.
Fig. 5 is the cross-sectional view of deadweight safety valve shown in Fig. 3.It can be seen that reflux cylinder assembly 002 with reference to Fig. 1 and Fig. 5 Including multiple reflux cylinders 002 in, first reflux cylinder bottom and inner cylinder 001 one end between spacing, Ke Yi great Spacing between the bottom of the second reflux cylinder and one end of inner cylinder 001.
Wherein, the second reflux cylinder is relative to the first reflux cylinder close to inner cylinder 001.It that is to say, flow back cylinder The spacing of one end of the bottom and inner cylinder 001 of the reflux cylinder in component 002, can be along the direction far from the inner cylinder 001 It is sequentially increased.Wherein, the first reflux cylinder and the second reflux cylinder can be any two in reflux cylinder assembly 002 Flow back cylinder 002.
By being by the line space design of the bottom and one end of inner cylinder 001 of the reflux cylinder in the cylinder assembly 002 that flows back It is sequentially increased along the direction far from the inner cylinder 001, it is ensured that the hydraulic oil in external reflux cylinder 0023 is in self gravity Under the action of, it is flow back into internal reflux cylinder 0021 by return port 002a, guarantees that hydraulic oil will not be from external reflux cylinder 0023 overflows.Also, the hydraulic oil flowed back to can recycle, and save the expenditure cost of hydraulic oil.
Exemplary, with reference to Fig. 1 and Fig. 5, the cylinder assembly 002 that flows back may include: three reflux cylinders 0021,0022 and 0023.Wherein, (i.e. adjacent with inner cylinder 001) the internal reflux cylinder 0021 being socketed on inner cylinder 001 is interior cylinder. The reflux cylinder for not being socketed reflux cylinder 0023 on the outside of in reflux cylinder assembly 002 is (i.e. outermost) for external reflux cylinder. The spacing of one end of the bottom and inner cylinder 001 of internal reflux cylinder 0021 is minimum, the bottom of external reflux cylinder 0023 with it is interior The spacing of one end of cylinder 001 is maximum.
Correspondingly, can be set and be somebody's turn to do in deadweight safety valve when the cylinder assembly 002 that flows back includes three reflux cylinders Three one-to-one three baffling cylinders 004 of reflux cylinder.The other end of each baffling cylinder 004 can be located at corresponding one and return In flow cartridge body 002.
Exemplary, with reference to Fig. 1 and Fig. 5, the other end of the first baffling cylinder 004a can be located in the first reflux cylinder 0021, It is located between the side wall of the first reflux cylinder 0021 and the side wall of inner cylinder 001.The other end of second baffling cylinder 004b can be with Positioned at second reflux cylinder 0022 in, that is, be located at second reflux cylinder 0022 side wall and first reflux cylinder 0021 side wall it Between.The other end of third baffling cylinder 004c can be located in third reflux cylinder 0023, that is, be located at third reflux cylinder 0023 Between side wall and the side wall of the second reflux cylinder 0022.
Optionally, it can be seen that with reference to Fig. 1 and Fig. 3 in multiple reflux cylinders 002 that the reflux cylinder assembly 002 includes, In addition to internal reflux cylinder 0021, the bottom of other each reflux cylinders 002 can be that (i.e. the bottom can be funnel to the conical surface Shape), and the first spacing h1 between the conical surface and inner cylinder 001, less than the second spacing between the conical surface and the inner cylinder 001 h2.Wherein, which is spacing of the conical surface close to one side and one end of the inner cylinder 001 of the inner cylinder 001, should Second spacing h2 is the spacing on the conical surface one side far from the inner cylinder 001 and one end of the inner cylinder 001.
By setting the conical surface for the bottom of each reflux cylinder 002, convenient for the hydraulic oil in external reflux cylinder 0023 It is quickly flow back into internal reflux cylinder 0021 by multiple return port 002a, convenient for the recycling of hydraulic oil, further ensures that liquid Pressure oil will not be overflowed from external reflux cylinder 0023.
With reference to Fig. 5 it can also be seen that the deadweight safety valve can also include: oil filling riser 006.The side of internal reflux cylinder 0021 Through-hole can be set on wall, which can pass through the through-hole.One end of the oil filling riser 006 can be located at the target and flow back In cylinder 0022, the other end can be in internally positioned reflux cylinder 0021.Wherein, it is arranged on the side wall of internal reflux cylinder 0021 Through-hole can be located at the bottom of the internal reflux cylinder 0021, i.e. one end close to inner cylinder 01.Wherein, target reflux cylinder Body 0022 can be fingerstall and connect the reflux cylinder 002 on internal reflux cylinder 0021.
It can be flowed into internal reflux cylinder 0021 with hydraulic oil by oil filling riser 006, so that in the deadweight safety valve Hydraulic oil can store to the oil trap 002c of 0021 bottom of internal reflux cylinder, the hydraulic oil collected in oil trap 002c It can be recycled, avoid oil product waste.
Optionally, with reference to Fig. 5, the bottom of target reflux cylinder 0022 is also provided with oil return groove 002b.Oil filling riser 006 One end can be located at oil return groove 002b in.The spacing between 001 one end of inner cylinder of the bottom oil return groove 002b H3, less than the conical surface and inner cylinder between the cylinder 002 that flows back of target reflux cylinder separate inner cylinder 001 adjacent thereto The first spacing h1 between 001.Oil return groove 002b can be used for collecting the hydraulic oil in target reflux cylinder 0022, so that The hydraulic oil of collection can be flowed by oil filling riser 006 in the oil trap 002c of 0021 bottom of internal reflux cylinder setting.The collection Hydraulic oil in oil groove 002c can be recycled, and avoid oil product waste.
With reference to Fig. 5, which can also include: check valve 007.The check valve 007 can be set in the oil filling riser One end that oil filling riser 006 protrudes into internal reflux cylinder 0021 is arranged in 006 other end.The check valve 007 can make outside The collection that the hydraulic oil in cylinder 0023 and target reflux cylinder 0022 that flows back is flowed by oil filling riser 006 in internal reflux cylinder 0021 In oil groove 002c, and the hydraulic oil in oil trap 002c cannot be made to flow into external reflux cylinder 0023 or target reflux cylinder In 0022, in order to recycle the hydraulic oil in oil trap 002c.
Can be seen that the deadweight safety valve with reference to Fig. 3 to Fig. 5 can also include: scale 008.It can be set on rainhat 003 It is equipped with through-hole, scale 008 can pass through the through-hole and protrude into the internal reflux cylinder 0021 adjacent with inner cylinder 001, the scale 008 can be used for measuring the height of hydraulic oil in deadweight safety valve.
Optionally, scale 008 can be located between the side wall of inner cylinder 001 and the side wall of internal reflux cylinder 0021, and The bottom end of the scale 008 can be located in oil trap 002c, and have gap with the bottom of internal reflux cylinder 0021.Work as needs When determining the height of the hydraulic oil in deadweight safety valve, which can be taken out out of through-hole on rainhat 003, be led to Cross the height for reading the scale on the scale 008 to determine hydraulic oil in the deadweight safety valve.
Optionally, which can also include: blow valve 009.The blow valve 009 can be set with inner cylinder The bottom of 001 adjacent internal reflux cylinder 0021.When lower due to temperature, it is heavy that the water in oil storage tank in natural gas can condense Product, therefore after the bottom of the oil trap 002c in deadweight safety valve stores certain water, blow valve 009 can be opened by the collection Water discharge in oil groove 002c, water when avoiding temperature lower in the deadweight safety valve are condensed, and are influencing deadweight safety valve just Often work.
Optionally, which can be ball valve.Certainly, which may be other valves, for example, can Think common gate valve, the utility model embodiment to the type of the blow valve 009 without limitation.
Optionally, which can also include: connecting flange 010.The connecting flange 010 can be set in inner cylinder The one end of body 001 far from rainhat 003.The connecting flange 010 is used to for deadweight safety valve being fixed on the resistance at the top of oil storage tank The top of firearm, and it is connected to the inner cylinder 001 in the deadweight safety valve with the exhaust outlet of oil storage tank.
In conclusion the utility model embodiment provides a kind of deadweight safety valve.The deadweight safety valve includes: inner cylinder Body, reflux cylinder assembly, rainhat and multiple baffling cylinders.The inner cylinder is used for and oil storage tank far from one end of the rainhat Exhaust outlet connection.Reflux cylinder assembly can be socketed in the outside of the inner cylinder.Multiple baffling cylinders can be successively socketed, and each One end of the baffling cylinder can be connect with the inside of the rainhat, and the other end of each baffling cylinder can be located at reflux cylinder In a reflux cylinder in component.When hydraulic oil is entered in reflux cylinder assembly by inner cylinder, in each reflux cylinder The baffling cylinder protruded into can successively change the flow direction of hydraulic oil, so as to which the flowing velocity of hydraulic oil is effectively reduced.And And hydraulic oil can be back in oil return groove by return port, and be flow back into internal reflux cylinder by oil filling riser, to make Hydraulic oil will not be sprayed from deadweight safety valve, avoided the waste of oil product caused by hydraulic oil leaks and environmental pollution, be ensure that storage Oil tank is capable of the work of safely cleaning.By using deadweight safety valve provided by the embodiment of the utility model, do not sent out in three months The phenomenon that existing hydraulic oil sprinkling, save hydraulic oil cost.
The foregoing is merely the alternative embodiments of the utility model, are not intended to limit the utility model, all practical at this 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 deadweight safety valve, which is characterized in that the deadweight safety valve includes: inner cylinder, reflux cylinder assembly, rainhat And multiple baffling cylinders;
The inner cylinder is oppositely arranged with the rainhat, and the inner cylinder is hollow columnar structures, and the inner cylinder is separate One end of the rainhat with the exhaust outlet of oil storage tank for being connected to;
The reflux cylinder assembly is socketed in the outside of the inner cylinder, and is oppositely arranged with the rainhat, the reflux cylinder Body component includes multiple reflux cylinders being successively socketed, and each reflux cylinder is leaned on far from the closed at one end of the rainhat Closely the rainhat is open at one end;
The rainhat is globoidal structure, and is connect with the reflux cylinder assembly;
The multiple baffling cylinder is successively socketed, and one end of each baffling cylinder is connect with the inside of the rainhat, often The other end of a baffling cylinder is located in the reflux cylinder, and there are gaps with the bottom of the reflux cylinder.
2. deadweight safety valve according to claim 1, which is characterized in that the deadweight safety valve further include: annular connection Part;
The circular connector is socketed on the reflux cylinder assembly, and is connect with the inner wall of the rainhat;
Multiple through-holes are provided on the circular connector.
3. deadweight safety valve according to claim 1, which is characterized in that multiple reflux that the reflux cylinder assembly includes In cylinder, in addition to external reflux cylinder, multiple return ports are provided on the side wall of other each reflux cylinders, the outside is returned The outside of flow cartridge body is not socketed reflux cylinder.
4. deadweight safety valve according to any one of claims 1 to 3, which is characterized in that the reflux cylinder assembly includes In multiple reflux cylinders, the first spacing to flow back between the bottom of cylinder and one end of the inner cylinder is greater than the second reflux cylinder Spacing between the bottom of body and one end of the inner cylinder;
Wherein, the second reflux cylinder is relative to the first reflux cylinder close to the inner cylinder.
5. deadweight safety valve according to claim 4, which is characterized in that multiple reflux that the reflux cylinder assembly includes In cylinder, in addition to internal reflux cylinder, the bottom of other each reflux cylinders is the conical surface, and the conical surface and the inner cylinder it Between the first spacing, less than the second spacing between the conical surface and the inner cylinder;
Wherein, the internal reflux cylinder is socketed on the inner cylinder, and first spacing is the conical surface close to described interior The spacing on one side of cylinder and one end of the inner cylinder, second spacing are the one side of the conical surface far from the inner cylinder With the spacing of one end of the inner cylinder.
6. deadweight safety valve according to claim 5, which is characterized in that the deadweight safety valve further include: oil filling riser;
Through-hole is provided on the side wall of the internal reflux cylinder, the oil filling riser passes through the through-hole, and one end of the oil filling riser In target reflux cylinder, the other end is located in the internal reflux cylinder, and the target reflux cylinder is socketed in described It flows back on cylinder in portion.
7. deadweight safety valve according to claim 6, which is characterized in that the bottom of the target reflux cylinder is provided with back One end of oily groove, the oil filling riser is located in the oil return groove.
8. deadweight safety valve according to claim 6 or 7, which is characterized in that the deadweight safety valve further include: unidirectional Valve;
The other end of the oil filling riser is arranged in the check valve.
9. deadweight safety valve according to any one of claims 1 to 3, which is characterized in that the deadweight safety valve further include: mark Ruler;
Through-hole is provided on the rainhat, the scale passes through the through-hole and protrudes into the internal reflux adjacent with the inner cylinder In cylinder.
10. deadweight safety valve according to any one of claims 1 to 3, which is characterized in that the deadweight safety valve further include: Blow valve;
The bottom of the internal reflux cylinder adjacent with the inner cylinder is arranged in the blow valve.
CN201821786275.2U 2018-10-31 2018-10-31 Deadweight safety valve Active CN209192757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821786275.2U CN209192757U (en) 2018-10-31 2018-10-31 Deadweight safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821786275.2U CN209192757U (en) 2018-10-31 2018-10-31 Deadweight safety valve

Publications (1)

Publication Number Publication Date
CN209192757U true CN209192757U (en) 2019-08-02

Family

ID=67409869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821786275.2U Active CN209192757U (en) 2018-10-31 2018-10-31 Deadweight safety valve

Country Status (1)

Country Link
CN (1) CN209192757U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113120451A (en) * 2021-04-06 2021-07-16 辽宁石油化工大学 Liquid sealing pressure relief manhole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113120451A (en) * 2021-04-06 2021-07-16 辽宁石油化工大学 Liquid sealing pressure relief manhole

Similar Documents

Publication Publication Date Title
CN209192757U (en) Deadweight safety valve
CN205315669U (en) Vent structure of leak protection oil and oil gas
CN205606194U (en) Coal gas drainer convenient to clearance
CN101475079B (en) Respiratory valve
CN106477787B (en) Sea water filter
CN212637486U (en) Large-volume railway tank car with heating function
CN107376479A (en) A kind of replacing filter with pressure
CN207434259U (en) A kind of chemical industry oil tank with cleaning device
CN208967192U (en) A kind of pressure regulation valve group
CN108278383B (en) A kind of forced seal ball valve and its greasing cleaning method
CN207253887U (en) A kind of replacement filter with pressure
CN205938008U (en) Hydraulic safety valve
CN207329362U (en) A kind of breather valve liquid trap
CN210021340U (en) Co-cavity double-precision liquid filtering device
CN208326288U (en) A kind of high-precision steel drum preventing deformation
CN208859309U (en) Pesticide producing air accumulator
CN201343272Y (en) Breather valve
CN106968768A (en) A kind of urea for vehicle box assembly
CN104314888B (en) Respiratory organ and fuel tank
CN209688202U (en) A kind of low flow resistance light weight eccentric plug valve
CN115339778B (en) Radioactive liquid transport container
CN206730642U (en) A kind of element kit of filter
CN116265791A (en) Hydraulic safety valve
CN107701767A (en) Deadweight safety valve
CN111071031A (en) Impact-resistant high-capacity oil tank

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant