CN206352604U - Safe valve group - Google Patents

Abstract

The utility model discloses a kind of safe valve group, including total valve body, ball valve and overflow valve, total valve body oil-out sets collection iron device, the collection iron device includes magnetic component, collection iron pipe conduit, the collection iron pipe trackside wall opens up the first lateral, first lateral opens up the first external screw thread for opening up and being adapted with the first internal thread outside the first internal thread, the magnetic component, and the magnetic component stretches into collection iron pipe conduit and fixed.But the liquid fluid in hydraulic system, by prolonged operating, hydraulic oil washes away iron pipe and produces a large amount of iron filings, when iron filings enter in accumulator, is easily damaged aerated capsule, causes potential safety hazard.Safe valve group of the present utility model is adsorbed by magnetic component to the iron filings in hydraulic oil, it is therefore prevented that iron filings enter in accumulator, produces potential safety hazard.

Description

Safe valve group

Technical field

The utility model is related to a kind of safe valve group.

Background technology

Ball valve is that one kind is driven by valve rod, and the valve rotated around ball valve axis, can be used for the regulation of fluid With control.Ball valve comes out in the 1950s, developing rapidly with science and technology, production technology and product structure it is continuous Improve, in the 40 short years, developed rapidly as a kind of main valve class.In the country that western industrial is flourishing, ball The use of valve constantly rises year by year.In China, ball valve is widely used in petroleum refining, long-distance transport pipes, chemical industry, made The industries such as paper, pharmacy, water conservancy, electric power, municipal administration, steel, occupy very important status in national economy.It has rotation 90 The action of degree, faucet body is spheroid, has manhole or passage to pass through its axis.Pass through the combination of ball valve and other valve bodies now A large amount of new compound valve bodies are generated, safe valve group is exactly one of them.Safe valve group is mainly used in hydraulic bag type accumulator It is used as safety, cutout and the accumulator of off-load annex.Safe valve group can be in holding system pressore setting, regulating system stream Amount.When pressure exceedes setting, the overflow valve in safe valve group is opened, and unnecessary flow will pass through the oil return pipe of safe valve group Road is returned in fuel tank, prevents system overload.Safe valve group is widely used in the accumulator of closed system, prevents the prominent of outer load So increase causes harm to hydraulic system.

Chinese invention patent application publication No. is that CN105202217A discloses a kind of safe valve group, including valve body, valve element And handle, the middle part of the valve body is valve pocket, and valve element is located at the inside of valve body, and the handle is fixedly connected with valve element and being capable of band Movable valve plug is rotated relative to valve body, the passage that can be connected with valve pocket is provided with the middle part of valve element, at the two ends of the valve body Respectively being connected with one is used for the overflow mechanism of off-load, and the overflow mechanism structure respectively positioned at valve body two ends is identical, the valve body And with overflow mechanism corresponding position it is provided with partial pressure passage on valve element.The present invention is when system pressure is excessive, by extruding overflow Device can discharge unnecessary pressure, effectively avoid system from locally bursting, and improve the security of system.Generally come Say, safe valve group and accumulator link together, accumulator includes metal shell and aerated capsule, hydraulic oil enters metal shell In, the pressure in hydraulic system is more than the pressure in aerated capsule, and hydraulic oil extruding aerated capsule is allowed to diminish, until Pneumatic rubber Intracapsular pressure is identical with the pressure of hydraulic system, and when the pressure change in hydraulic system, accumulator can play one and delay The effect of punching.

But the liquid fluid in hydraulic system, by prolonged operating, hydraulic oil washes away iron pipe and produces a large amount of iron filings, When iron filings enter in accumulator, aerated capsule is easily damaged, potential safety hazard is caused.

Utility model content

The purpose of this utility model is to provide a kind of safe valve group, and the safe valve group can prevent the iron filings in hydraulic oil Into in accumulator, and iron filings are collected and hydraulic system is rejected.

The utility model provides and is provided with total valve body oil-out on a kind of safe valve group, including total valve body, total valve body, its It is characterised by：Total valve body oil-out sets collection iron device, and the collection iron device includes magnetic component, collection iron pipe conduit, described Collection iron pipe trackside wall opens up the first lateral, and the magnetic component is fixed in the first lateral, and the magnetic component Magnetic part stretch into collection iron pipe conduit.

, can be to accumulation of energy will be entered by setting collection iron device in total valve body oil-out by using above-mentioned technical proposal Hydraulic oil in device carries out iron dust filtration.Magnetic component, magnetic are mounted with the first lateral of the side wall of collection iron pipe conduit Component is stretched into collection iron pipe conduit, filtering iron filings is carried out to the hydraulic oil of process, when iron filings are by near magnetic component, by magnetic structure Part attracts, and adsorbs on magnetic component, therefore enters in the absence of a large amount of iron filings in the hydraulic oil of accumulator, the inflation to accumulator Potential safety hazard is not present in capsule.

As further improvement of the utility model, the magnetic component is electromagnet.

By using above-mentioned technical proposal because magnetic component is electromagnet, the magnetic of electromagnet whether there is can by it is logical, The mode of power-off is controlled, and magnetic size can also be controlled by the power of electric current, and these advantages make electromagnet easy to use.

As further improvement of the utility model, the first lateral of the collection iron pipe conduit is vertically arranged and collection iron pipe Above road, in the collection iron pipe conduit side, wall sets the second branched pipe road relative with the first lateral, and second branched pipe road connects Connect receiving flask.

By using above-mentioned technical proposal, because the first branched pipe is vertically arranged in and ironware pipeline top, electromagnet On the first lateral, and stretch into collection iron pipe conduit.Second branched pipe road is located at immediately below the first lateral, and and receives Collect bottle connection.This structure, when the logical operating of hydraulic pressure system, opens electromagnet, electromagnet starts to adsorb the iron filings in hydraulic oil, when When hydraulic system is not run, electromagnet is closed, now iron filings lose the attraction of electromagnet and fallen into gravity in second branched pipe road, Finally it is deposited in receiving flask.

As further improvement of the utility model, the second ball valve is set between the receiving flask and second branched pipe road.

By using above-mentioned technical proposal, when needing to clear up the iron filings in receiving flask, then the second ball valve is closed, can To avoid when dismantling receiving flask, the hydraulic oil in system is flowed out from second branched pipe road.

As further improvement of the utility model, described receiving flask one end is connected with second branched pipe road, described to receive Collect the bottle other end and opening is set, the opening sets adaptable bonnet fitted seal.

By using above-mentioned technical proposal, opening, convenient cleaning receiving flask are opened up in receiving flask bottom.Simultaneously can not also Receiving flask is dismantled, the iron filings in receiving flask are cleaned out.

As further improvement of the utility model, the sealing structure uses seal washer.

By using above-mentioned technical proposal, gasket structure is simple, easy for installation, and sealing effectiveness is good, in this practicality Seal washer is respectively mounted at new connector, the sealing effectiveness at connector can be effectively improved.

As further improvement of the utility model, the safe valve group also includes stop valve, the stop valve oil inlet Communicated with total valve body oil-out, the stop valve oil-out and oil return pipe are communicated.

By using above-mentioned technical proposal, when hydraulic system does not work, ball valve is closed, then the pressure mistake on accumulator Greatly, there is potential safety hazard, it is therefore desirable to depressurize accumulator.The interface of accumulator is connected with total valve body oil-out, therefore Stop valve is set on total valve body, the oil inlet of stop valve and total valve body oil-out are communicated, the oil-out and oil return pipe phase of stop valve Together, as long as therefore stop valve is opened, the unnecessary hydraulic oil of accumulator is flow back into fuel tank.In hydraulic system normal work When, stop valve is closed, the operation of hydraulic system is not influenceed.

As further improvement of the utility model, oil pressure gauge, the measurement end of the oil pressure gauge are set on total valve body Communicated with total valve body oil-out.

By above-mentioned technical proposal, the oil pressure gauge of the pressure of the total valve body oil-out of measurement is set on total valve body, because storing The pressure of energy device is identical with the oil pressure of total valve body oil-out, that is, tests the oil pressure on accumulator.Meanwhile, it is normal in hydraulic system During running, the pressure of total valve body oil-out is the pressure of whole hydraulic system, therefore oil pressure gauge also measures the pressure of hydraulic system By force.

Brief description of the drawings

Fig. 1 is the structural representation of safe valve group；

Fig. 2 is the functional schematic of safe valve group；

Fig. 3 is the exploded perspective view of safe valve group.

In figure：1st, total valve body；11st, the oil return mouth of pipe；15th, total valve body oil inlet；16th, total valve body oil-out；2nd, the first ball valve； 21st, the first ball valve oil inlet；22nd, the first ball valve oil-out；3rd, overflow valve；31st, overflow valve oil inlet；32 overflow valve oil-outs； 4th, stop valve；41st, stop valve oil inlet；42nd, stop valve oil-out；5th, iron device is collected；51st, magnetic component；511st, the first outer spiral shell Line；512nd, magnetic part；52nd, iron pipe conduit is collected；521st, the first lateral；5211st, the first internal thread；522nd, second branched pipe Road；53rd, the second ball valve；54th, receiving flask；541st, it is open；542nd, bonnet；6th, seal washer；7th, oil pressure gauge；8th, fuel tank.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As depicted in figs. 1 and 2, the utility model is safe valve group, mainly including total valve body 1, the first ball valve 2, overflow valve 3rd, stop valve 4, collection iron device 5 and hydralic pressure gauge 7.Total valve body oil inlet 15 is connected with the first ball valve oil inlet 21, described Valve body oil-out 16 is connected with the first ball valve oil-out 22, and total valve body oil-out 16 is connected with overflow valve oil inlet 31 Logical, the overflow valve oil-out 32 is connected with the oil return mouth of pipe 11, the stop valve oil inlet 41 and total phase of valve body oil-out 16 Logical, the stop valve oil-out 42 is connected with oil returning tube 16.Set according to above-mentioned pipeline, when the first ball valve 2 is opened, Hydraulic oil can be flowed into collection iron device 5 by the first ball valve 2 from total valve body oil-out 16, the now measurement of oil pressure gauge 7 hydraulic pressure system System pressure in system.Meanwhile, if system pressure exceedes the preset pressure value of overflow valve 3, overflow valve 3 is started working, will be unnecessary The hydraulic oil of flow is left in the backflow mouth of pipe 11 by overflow valve 3, and is flowed in fuel tank 8.When hydraulic system is out of service constantly, First ball valve 2 is closed, opening stop valve 4, now the unnecessary hydraulic oil in accumulator can enter total valve body oil-out 16, afterwards Flowed to by stop valve 4 in fuel tank 8, accumulator is depressured.

As shown in figure 3, collection iron device 5 mainly includes magnetic component 51, collection iron pipe conduit 52.The magnetic used in the present embodiment Component 51 is electromagnet, and collects iron device 5 also including the second ball valve 53 and receiving flask 54.Collect the one end of iron pipe conduit 52 and total valve body Oil-out 16 is connected using helicitic texture, is sealed and connected using seal washer 6 in the threaded connection place of collection iron pipe conduit 52 and total valve body 1 Socket part.The collection side wall of iron pipe conduit 52 opens up the first lateral 521, and described one end of first lateral 521 and magnetic component 51 are adopted Connected with helicitic texture, the threaded joints of the first lateral 521 and magnetic component 51 are tightly connected using seal washer 6 Portion.The magnetic part 512 of wherein magnetic component 51 is stretched into collection iron pipe conduit 52.The first lateral 521 for collecting iron pipe conduit 52 is erected It is straight to be arranged at the top of collection iron pipe conduit 52, in the side wall of collection iron pipe conduit 52, second point relative with the first lateral 521 is set Branch pipe(tube) 522, the first lateral 521 and second branched pipe road 522 are located on same axis, and the one of second branched pipe road 522 End and one end of the second ball valve 53 are connected using helicitic texture, and the other end of the second ball valve and the one end of receiving flask 54 use screw thread knot Structure is connected, and the other end of receiving flask 54, which is opened up, sets corresponding bonnet 542, bonnet 542 and opening in opening 541, opening 541 541 are connected by helicitic texture.The seal washer 6 that above-mentioned threaded joints are respectively provided with corresponding model is tightly connected portion.

When hydraulic oil enters collection iron device 5 by total valve body 1, electromagnet brings into operation.Electromagnet is by hydraulic oil Iron adsorption is to electromagnetism iron surface, and the scrap iron content allowed in hydraulic oil is substantially reduced, and the safety for eliminating iron filings to accumulator is hidden Suffer from.When hydraulic system is stopped, electromagnet is closed, then oil can be sunk to because losing attraction by adsorbing the iron filings on electromagnet In liquid, by the pipeline of the second ball valve 53, the bottom of bottle of receiving flask 54 is finally sunk to.The second ball valve is closed 53 afterwards, will be collected The bonnet 542 of 54 bottoms of bottle is opened, and the iron filings in receiving flask and hydraulic oil is discharged in receiving flask 54, then receiving flask 54 is dismantled Get off, the inwall of receiving flask 54 is rinsed with hydraulic oil, wash away the iron filings of residual in receiving flask 54.Finally, by bonnet 542 Receiving flask bottom is installed back, receiving flask is installed back in collection iron device 5, the second ball valve 53 is opened, waits next system operation to remove Iron filings.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims (7)

1. a kind of safe valve group, including total valve body（1）, total valve body oil-out is provided with total valve body（16）, it is characterised in that：Institute State total valve body oil-out（16）Collection iron device is set（5）, the collection iron device（5）Including magnetic component（51）, collection iron pipe conduit （52）, the collection iron pipe conduit（52）Side wall opens up the first lateral（521）, the magnetic component（51）It is fixed on the first branch Pipeline（521）In, and the magnetic component（51）Magnetic part（512）Stretch into collection iron pipe conduit（52）.

2. safe valve group according to claim 1, it is characterised in that：The magnetic component（51）For electromagnet.

3. safe valve group according to claim 2, it is characterised in that：The collection iron pipe conduit（52）The first lateral (521）It is vertically arranged and collection iron pipe conduit（52）Top, in the collection iron pipe conduit（52）Side wall is set and the first lateral（521） Relative second branched pipe road（522）, the second branched pipe road（522）Connect receiving flask（54）.

4. safe valve group according to claim 3, it is characterised in that：The receiving flask（54）With second branched pipe road （522）Between the second ball valve is set（53）.

5. safe valve group according to claim 4, it is characterised in that：The receiving flask（54）One end and the second ball valve（53） It is connected, the receiving flask（54）The other end sets opening（541）, the opening（541）Adaptable bonnet is set（542）Match somebody with somebody Close sealing.

6. safe valve group according to claim 1, it is characterised in that：The safe valve group also includes stop valve（4）, it is described Stop valve oil inlet（41）With total valve body oil-out（16）Communicate, the stop valve oil-out（42）With the oil return mouth of pipe（11）Phase It is logical.

7. safe valve group according to claim 1, it is characterised in that：Oil pressure gauge is set on total valve body（7）, the oil Press table（7）Measurement end and total valve body oil-out（16）Communicate.