CN203892644U - Oil tank self-operated oil overflow preventing device - Google Patents
Oil tank self-operated oil overflow preventing device Download PDFInfo
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- CN203892644U CN203892644U CN201420323928.9U CN201420323928U CN203892644U CN 203892644 U CN203892644 U CN 203892644U CN 201420323928 U CN201420323928 U CN 201420323928U CN 203892644 U CN203892644 U CN 203892644U
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- sleeve
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- oil
- resorption
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Abstract
The utility model relates to an oil tank self-operated oil overflow preventing device which comprises a main valve, a pilot valve, an oil outlet pipe, an oil inlet pipe, a connecting pipe, an oil leading pipe and a first pipeline. The main valve comprises a valve cover, a connecting rod, a valve body, a valve clack and a membrane. The pilot valve comprises an upper valve body, a sensing membrane, a push rod, a sleeve and a lower valve body. An oil outlet of the oil inlet pipe is connected into a left cavity. One pipe opening of the oil outlet pipe is connected into a lower cavity, and the other pipe opening of the oil outlet pipe is connected into an oil storage tank.
Description
Technical field
The utility model relates to oil handling operation technical field, relates in particular to a kind of self-powering type device for preventing oil spilling that prevents from receiving at oil tank when oil bleed, anti-overflow while also can be used for the tank body handling of other liquid.
Background technique
Safety problem is the matter of utmost importance of the daily Technical Management Work of oil depot, and the safe condition of oil storage tank and operation are the important contents of oil storage safety work.
At present, oil depot oil storage tank, in the time unloading oil plant, due to the inaccurate or careless manipulation of metering, causes not closing valve in good time, causes oil storage tank oil spilling, not only waste, and befouling environment, even initiation potential accident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and propose a kind ofly to control precisely, safety and environmental protection, be easy to repacking, economical and practical device for preventing oil spilling.
Be such for realizing the technological scheme that the utility model object adopts, a kind of oil tank self-powering type device for preventing oil spilling, comprises main valve, pilot valve, oil inlet pipe, enters oil pipe, PRESSURE PIPE, draws oil pipe and the first pipeline.
Described main valve comprises valve gap, connecting rod, valve body, flap and diaphragm.The upper end open of valve body described in described diaphragm seal.Described bonnet lower is uncovered.In the upper end open of the described valve body of the uncovered installation in described valve gap lower end.Described diaphragm is separated described valve body and valve gap.Described valve gap and described diaphragm surround epicoele.Described valve body and described diaphragm surround cavity of resorption.The below of described cavity of resorption also has a left chamber.Described left chamber communicates through a duct with described cavity of resorption.Described connecting rod and flap are arranged in described cavity of resorption.Described connecting rod upper end connects diaphragm, lower end connects flap.Described flap is positioned at top, described duct.In the time that described connecting rod is subject to downward pressure, described flap seals described duct.
The area of described valve body upper end open is greater than the area of described opening of the channel.
The described left chamber of oil outlet access of described oil inlet pipe.A mouth of pipe of described oil outlet tube accesses described cavity of resorption, another mouth of pipe access oil storage tank.
Described pilot valve comprises upper valve body, sense film, push rod, sleeve and lower valve body.Described upper valve body is arranged on described lower valve body top.Described sense film is between upper valve body and lower valve body.Described sense film is separated the inner chamber of the inner chamber of upper valve body and lower valve body.Described sleeve upper end open, lower end closed.The upper end of described sleeve is connected to the below of lower valve body.The inner chamber of described lower valve body communicates with the inner chamber of sleeve by a through hole.The upper end of described push rod is connected to the below of sense film.The lower end of described push rod penetrates in the inner chamber of sleeve.On the chamber wall of the inner chamber of described sleeve, there is circular groove.The space of described upside of the ring groove is that the space of sleeve epicoele, below is sleeve cavity of resorption.The outer surface of described push rod has annular boss.In the time that described push rod is subject to downward active force, described boss embeds in circular groove, by sleeve epicoele with sleeve cavity of resorption is isolated comes.In the time that described push rod is not subject to downward active force, described boss is positioned at upside of the ring groove, and described sleeve epicoele and sleeve cavity of resorption are communicated with.
The inner chamber of a described lower valve body of mouth of pipe access of described the first pipeline, the bottom of another mouth of pipe access oil storage tank.
A mouth of pipe of described PRESSURE PIPE accesses described sleeve cavity of resorption, another mouth of pipe accesses left chamber.
A described mouth of pipe access sleeve epicoele, another mouth of pipe access epicoele that draws oil pipe.
Also can be such for realizing the technological scheme that the utility model object adopts, a kind of oil tank self-powering type device for preventing oil spilling, it comprises main valve, pilot valve, oil outlet tube, oil inlet pipe, PRESSURE PIPE, draws oil pipe and the first pipeline.
Described main valve comprises valve gap, connecting rod, valve body, flap and diaphragm.The upper end open of valve body described in described diaphragm seal.Described bonnet lower is uncovered.In the uncovered upper end open that is buckled in described valve body in described valve gap lower end.Described diaphragm is separated described valve body and valve gap.Described valve gap and described diaphragm surround epicoele.Described valve body and described diaphragm surround cavity of resorption.The below of described cavity of resorption also has a left chamber.Described left chamber communicates through a duct with described cavity of resorption.Described connecting rod and flap are arranged in described cavity of resorption.Described connecting rod upper end connects diaphragm, lower end connects flap.Described flap is positioned at top, described duct.In the time that described connecting rod is subject to downward pressure, described flap seals described duct.
In described epicoele, there are some springs.The upper end of described spring is arranged on the inwall of described epicoele, the top that lower end is arranged on described diaphragm.
The described left chamber of oil outlet access of described oil inlet pipe.A mouth of pipe of described oil outlet tube accesses described cavity of resorption, another mouth of pipe access oil storage tank.
Described pilot valve comprises upper valve body, sense film, push rod, sleeve and lower valve body.Described upper valve body is arranged on described lower valve body top.Described sense film is between upper valve body and lower valve body.Described sense film is separated the inner chamber of the inner chamber of upper valve body and lower valve body.Described sleeve upper end open, lower end closed.The upper end of described sleeve is connected to the below of lower valve body.The inner chamber of described lower valve body communicates with the inner chamber of sleeve by a through hole.The upper end of described push rod is connected to the below of sense film.The lower end of described push rod penetrates in the inner chamber of sleeve.On the chamber wall of the inner chamber of described sleeve, there is circular groove.The space of described upside of the ring groove is that the space of sleeve epicoele, below is sleeve cavity of resorption.The outer surface of described push rod has annular boss.In the time that described push rod is subject to downward active force, described boss embeds in circular groove, by sleeve epicoele with sleeve cavity of resorption is isolated comes.In the time that described push rod is not subject to downward active force, described boss is positioned at upside of the ring groove, and described sleeve epicoele and sleeve cavity of resorption are communicated with.
The inner chamber of a described lower valve body of mouth of pipe access of described the first pipeline, the bottom of another mouth of pipe access oil storage tank.
A mouth of pipe of described PRESSURE PIPE accesses described sleeve cavity of resorption, another mouth of pipe accesses left chamber.
A described mouth of pipe access sleeve epicoele, another mouth of pipe access epicoele that draws oil pipe.
Further, the area of described valve body upper end open is greater than the area of described opening of the channel.
Further, the inwall of described epicoele top arranges guide pin bushing.Described spring upper end contacts with the inwall top of described epicoele.Described spring lower end contacts with the upper surface of metal dish.The upper surface of described metal dish is installed guide rod.Described guide rod inserts in guide pin bushing.The lower surface of metal dish contacts with the top of diaphragm.
Further, described pilot valve also comprises described the second spring.Described push rod arranges spring capping at connection described sense film place.Described spring stop is installed in described upper valve body inwall top.Described second spring one end is fixed on described spring stop, and the other end connects described spring capping.
As preferably, described oil inlet pipe, oil outlet tube, PRESSURE PIPE and the first pipeline are all in series with one-way valve.
As preferably, described sleeve cavity of resorption and described cavity of resorption are connected by second pipe.Described sleeve epicoele and sleeve cavity of resorption are connected by uniguide.On described second pipe and uniguide, valve is installed.
The utlity model has following effect: what (1) pilot valve sense film was subject to is the static pressure from tank bottom, separate completely with inlet pressure, the second spring induction static pressure is more accurate, thereby has improved the level accuracy of pilot valve control; (2) simple in structure, cost is low, and maintenance easily; (3) without changing existing equipment, conveniently reequip at existing oil depot, recondition expense is low, good in economic efficiency; (4) realize self-powering type preventing oil spill, avoid oil contamination environment, and tank bottom is connected with drain pipe, can be by unnecessary fluid discharged to greasy dirt treatment pond.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of main valve;
Fig. 3 is the schematic diagram of pilot valve.
In figure: 1-main valve, 2-epicoele, 3-cavity of resorption, 4-oil outlet tube, the left chamber of 5-, 6-oil inlet pipe, 7-PRESSURE PIPE, 8-draws oil pipe, 9-pilot valve, the inner chamber of 10-upper valve body, the inner chamber of valve body under 11-, the inner chamber of 12-sleeve, 13-uniguide, 15-the first pipeline, 16-second pipe, 17-drain pipe, 18-oil storage tank, 101-valve gap, 102-connecting rod, 103-valve body, 105-flap, 106-metal dish, 107-diaphragm, 108-the first spring, 109-guide pin bushing, 121-sleeve epicoele.122-sleeve cavity of resorption, 901-upper valve body, 902-sense film, 903-push rod, 904-sleeve, valve body under 905-, 906-the second spring, 907-spring stop, 908-waterproof cover, 909-adjusting screw, 9031-boss, 9041-circular groove.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, only limits to following embodiment but should not be construed the above-mentioned subject area of the utility model.In the situation that not departing from the above-mentioned technological thought of the utility model, according to ordinary skill knowledge and customary means, make various replacements and change, all should be included in protection domain of the present utility model.
Embodiment 1:
A kind of oil tank self-powering type device for preventing oil spilling, is characterized in that: it comprises main valve 1, pilot valve 9, oil outlet tube 4, oil inlet pipe 6, PRESSURE PIPE 7, draws oil pipe 8 and the first pipeline 15.
Described main valve 1 comprises valve gap 101, connecting rod 102, valve body 103, flap 105 and diaphragm 107.Described diaphragm 107 seals the upper end open of described valve body 103.Described valve gap 101 bottoms are uncovered.In the upper end open of the described valve body 103 of the described valve gap 101 uncovered installation in lower end.Described diaphragm 107 is separated described valve body 103 and valve gap 101.Described diaphragm 107 is between described valve body 103 and valve gap 101.Described diaphragm 107 is flexible sheets.Described valve gap 101 surrounds epicoele 2 with described diaphragm 107.Described valve body 103 surrounds cavity of resorption 3 with described diaphragm 107.The below of described cavity of resorption 3 also has a left chamber 5.Described left chamber 5 communicates through a duct with described cavity of resorption 3.Described connecting rod 102 and flap 105 are arranged in described cavity of resorption 3.Described connecting rod 102 upper ends connect diaphragm 107, lower end connects flap 105.Described flap 105 is positioned at top, described duct.In the time that described connecting rod 102 is subject to downward pressure, diaphragm 107 is received downward pressure, to pressing down, makes described flap 105 seal described duct connecting rod 102.In the time that described connecting rod 102 is subject to thrust upwards (may be also that described flap is subject to thrust upwards), described flap 105 leaves described duct, and described cavity of resorption 3 and described left chamber 5 are connected.
The area of described valve body 103 upper end open is greater than the area of described opening of the channel.
The described left chamber 5 of oil outlet access of described oil inlet pipe 6.A mouth of pipe of described oil outlet tube 4 accesses described cavity of resorption 3, another mouth of pipe access oil storage tank 18.
Described pilot valve 9 comprises upper valve body 901, sense film 902, push rod 903, sleeve 904 and lower valve body 905.Described upper valve body 901 is arranged on described lower valve body 905 tops.Described sense film 902 is between upper valve body 901 and lower valve body 905.Described sense film 902 is separated the inner chamber 11 of the inner chamber of upper valve body 10 and lower valve body.Described sleeve 904 upper end open, lower end closed.The upper end of described sleeve 904 is connected to the below of lower valve body 905.The inner chamber 11 of described lower valve body communicates with the inner chamber 12 of sleeve by a through hole.The upper end of described push rod 903 is connected to the below of sense film 902.The lower end of described push rod 903 penetrates in the inner chamber 12 of sleeve.On the chamber wall of the inner chamber 12 of described sleeve, there is circular groove 9041.The space of described circular groove 9041 tops is that the space of sleeve epicoele 121, below is sleeve cavity of resorption 122.The outer surface of described push rod 903 has annular boss 9031.In the time that described push rod 903 is subject to downward active force, described boss 9031 embeds in circular groove 9041, comes isolated sleeve epicoele 121 and sleeve cavity of resorption 122.In the time that described push rod 903 is not subject to downward active force, described boss 9031 is positioned at circular groove 9041 tops, and described sleeve epicoele 121 and sleeve cavity of resorption 122 are communicated with.
The inner chamber 11 of a described lower valve body of mouth of pipe access of described the first pipeline 15, the bottom of another mouth of pipe access oil storage tank 18.A mouth of pipe of described PRESSURE PIPE 7 accesses described sleeve cavity of resorption 122, another mouth of pipe accesses left chamber 5.A described mouth of pipe access sleeve epicoele 121, another mouth of pipe access epicoele 2 that draws oil pipe 8.
Because this device for preventing oil spilling has above technical characteristics, can realize self-powering type and close described main valve 1.
Detailed process is, in the time of not oil transportation, described flap 105 seals described opening of the channel, and described left chamber 5 does not communicate with described cavity of resorption 3, and described main valve 1 is closed.
While starting oil transportation, high pressure oil enters described left chamber 5 by described oil inlet pipe 6.High pressure oil is by described flap 105 jack-up, and described left chamber 5 communicates with described cavity of resorption 3.So high pressure oil enters described cavity of resorption 3, and flow into described oil storage tank 18 by described oil outlet tube 4.
In the time that described oil storage tank 18 liquid levels reach predetermined value, because described the first pipeline 15 is connected the inner chamber 11 of described oil storage tank 18 bottoms and described lower valve body, the oil pressure in the inner chamber 11 of described lower valve body equals described oil storage tank 18 bottom oil pressure.Oil pressure in the inner chamber 11 of described lower valve body acts on sense film 902, thereby drives described push rod 903 up to move, and described boss 9031 leaves described circular groove 9041.So described sleeve epicoele 121 is communicated with described sleeve cavity of resorption 122.High pressure oil in described left chamber 5 flows into described sleeve cavity of resorption 122 by described PRESSURE PIPE 7.Described epicoele 2 communicates with described sleeve epicoele 121 by the described oil pipe 8 that draws.Therefore, the oil pressure that acts on described diaphragm 107 equates with the oil pressure that acts on described flap 105 bottoms, but the area of the upper end open of described valve body 103 is greater than the area of institute's opening of the channel, when so described connecting rod 102 is subject to downward pressure, described flap 105 seals described duct, thereby main valve 1 is closed, reach the object that self-powering type automatically shuts down.
Embodiment 2:
The main structure of the present embodiment is with embodiment 1.Different, the area of the upper end open of described valve body 103 is not necessarily greater than the area of institute's opening of the channel.
In the present embodiment, in described epicoele 2, there are some springs 108.Inwall, the lower end that the upper end of described spring 108 is arranged on described epicoele 2 is arranged on the top of described diaphragm 107.
As preferably, guide pin bushing 109 is set above the inwall of described epicoele 2.Described spring 108 upper ends contact with the inwall top of described epicoele 2.Described spring 108 lower ends contact with the upper surface of metal dish 106.The upper surface of described metal dish 106 is installed guide rod.Described guide rod inserts in guide pin bushing 109.The lower surface of metal dish 106 contacts with the top of diaphragm 107.
Further, described pilot valve 9 also comprises described the second spring 906.Described push rod 903 arranges spring capping at connection described sense film 902 places.Described spring stop 907 is installed in described upper valve body 901 inwall tops.Described second spring 906 one end are fixed on described spring stop 907, and the other end connects described spring capping.
Further, described oil inlet pipe 6, oil outlet tube 4, PRESSURE PIPE 7 and the first pipeline 15 are all in series with one-way valve.The object that one-way valve is set is to ensure the path flow of fluid along our expection, is convenient to control.Such as, the fluid in described uniguide 13 can only flow to described sleeve cavity of resorption 122 from described sleeve epicoele 121, and the fluid in described second pipe 16 can only flow to described cavity of resorption 3 from described sleeve cavity of resorption 122.
Further, described sleeve cavity of resorption 122 and described cavity of resorption 3 are connected by second pipe 16.Described sleeve epicoele 121 and sleeve cavity of resorption 122 are connected by uniguide 13.On described second pipe 16 and uniguide 13, valve is installed.
Because this device for preventing oil spilling has above technical characteristics, can realize self-powering type and close described main valve 1.
While starting oil transportation, high pressure oil enters described left chamber 5 by described oil inlet pipe 6.High pressure oil is by described flap 105 jack-up, and described left chamber 5 communicates with described cavity of resorption 3.So high pressure oil enters described cavity of resorption 3, and flow into described oil storage tank 18 by described oil outlet tube 4.
Meanwhile, due to described flap 105 jack-up, described diaphragm 107 upwards caves in, and described epicoele 2 spaces reduce.Fluid in described epicoele 2 flows into described sleeve epicoele 121 by the described oil pipe 8 that draws.The fluid of described sleeve epicoele 121 is pooled to described second pipe 16 by described uniguide 13.Described second pipe 16 will import described cavity of resorption 3 from the fluid of described sleeve epicoele 121 and described sleeve cavity of resorption 122, finally flows into described oil storage tank 18.
In the time that described oil storage tank 18 liquid levels reach predetermined value, the oil pressure that acts on described diaphragm 107 equates with the oil pressure that acts on described flap 105 bottoms, requires main valve 1 to close.In embodiment 1, because the area of described valve body 103 upper end open is greater than the area of described opening of the channel, now diaphragm 107 pressurizeds (down pressure) area is greater than 105 pressurized (upward pressure) area of flap, what make that flap 105 receives makes a concerted effort downwards, shutoff duct, has realized closing of main valve 1.And in the present embodiment, owing to having some springs 108 in described epicoele 2, described connecting rod 102 itself will be subject to downward elastic force.When the oil pressure that acts on described diaphragm 107 equates with the oil pressure that acts on described flap 105 bottoms, the downward active force of diaphragm 107 (oil pressure and elastic force) is greater than 105 active forces (oil pressure) upwards of flap, described flap 105 seals described duct, thereby main valve 1 is closed, reach the object that self-powering type automatically shuts down.
Embodiment 3:
The main structure of the present embodiment is with embodiment 2.
As preferably, the area of the upper end open of described valve body 103 is greater than the area of institute's opening of the channel.Have embodiment 1 and embodiment's 2 feature concurrently.
Further, described pilot valve 9 also comprises adjusting screw 909 and waterproof cover 908.Described adjusting screw 909 penetrates described upper valve body 901 and is resisted against described spring stop 907 from outside.Described waterproof cover 908 covers in described adjusting screw 909.The object that described waterproof cover 908 is set is in order to protect described adjusting screw 909 to be subject to artificially or naturally to destroy, and prevents that unrelated person from arbitrarily regulating described adjusting screw 909.
It is for the convenient oil pressure of closing described main valve 1 of controlling that described adjusting screw 909 is set, and makes device for preventing oil spilling have versatility, is applicable to different oil depots.Specifically, the quiet oil pressure of oil storage tank 18 bottoms when reaching safe capacity, change the screw-in length of described adjusting screw 909, thereby change the spring force of described the second spring 906, the power that makes quiet oil pressure now act on described sense film 902 is greater than the spring force of described the second spring 906, and then closes described main valve 1.
In the present embodiment, be connected with drain pipe 17 at described the first pipeline 15 middle parts.The effect of described drain pipe 17 is the fluid that described oil storage tank 18 will be discharged, and flows to treatment tank through it, is convenient to environmental protection.
Claims (7)
1. an oil tank self-powering type device for preventing oil spilling, is characterized in that: it comprises main valve (1), pilot valve (9), oil outlet tube (4), oil inlet pipe (6), PRESSURE PIPE (7), draws oil pipe (8) and the first pipeline (15);
Described main valve (1) comprises valve gap (101), connecting rod (102), valve body (103), flap (105) and diaphragm (107); Described diaphragm (107) seals the upper end open of described valve body (103); Described valve gap (101) bottom is uncovered; In the upper end open of the described valve body of the uncovered installation in described valve gap (101) lower end (103); Described diaphragm (107) is separated described valve body (103) and valve gap (101); Described valve gap (101) surrounds epicoele (2) with described diaphragm (107); Described valve body (103) surrounds cavity of resorption (3) with described diaphragm (107); The below of described cavity of resorption (3) also has a left chamber (5); Described left chamber (5) communicates through a duct with described cavity of resorption (3); Described connecting rod (102) and flap (105) are arranged in described cavity of resorption (3); Described connecting rod (102) upper end connects diaphragm (107), lower end connects flap (105); Described flap (105) is positioned at top, described duct; In the time that described connecting rod (102) is subject to downward pressure, described flap (105) seals described duct;
The area of described valve body (103) upper end open is greater than the area of described opening of the channel;
The oil outlet described left chamber of access (5) of described oil inlet pipe (6); A mouth of pipe of described oil outlet tube (4) accesses described cavity of resorption (3), another mouth of pipe access oil storage tank (18);
Described pilot valve (9) comprises upper valve body (901), sense film (902), push rod (903), sleeve (904) and lower valve body (905); Described upper valve body (901) is arranged on described lower valve body (905) top; Described sense film (902) is positioned between upper valve body (901) and lower valve body (905); Described sense film (902) is separated the inner chamber (11) of the inner chamber of upper valve body (10) and lower valve body; Described sleeve (904) upper end open, lower end closed; The upper end of described sleeve (904) is connected to the below of lower valve body (905); The inner chamber (11) of described lower valve body communicates with the inner chamber (12) of sleeve by a through hole; The upper end of described push rod (903) is connected to the below of sense film (902); The lower end of described push rod (903) penetrates in the inner chamber (12) of sleeve; On the chamber wall of the inner chamber (12) of described sleeve, there is circular groove (9041); The space of described circular groove (9041) top is that the space of sleeve epicoele (121), below is sleeve cavity of resorption (122); The outer surface of described push rod (903) has annular boss (9031); In the time that described push rod (903) is subject to downward active force, described boss (9031) embeds in circular groove (9041), and sleeve epicoele (121) and sleeve cavity of resorption (122) are completely cut off and come; In the time that described push rod (903) is not subject to downward active force, described boss (9031) is positioned at circular groove (9041) top, and described sleeve epicoele (121) and sleeve cavity of resorption (122) are communicated with;
The inner chamber (11) of a described lower valve body of mouth of pipe access of described the first pipeline (15), the bottom of another mouth of pipe access oil storage tank (18);
A mouth of pipe of described PRESSURE PIPE (7) accesses described sleeve cavity of resorption (122), another mouth of pipe accesses left chamber (5);
A described mouth of pipe access sleeve epicoele (121), another mouth of pipe access epicoele (2) that draws oil pipe (8).
2. an oil tank self-powering type device for preventing oil spilling, is characterized in that: it comprises main valve (1), pilot valve (9), oil outlet tube (4), oil inlet pipe (6), PRESSURE PIPE (7), draws oil pipe (8) and the first pipeline (15);
Described main valve (1) comprises valve gap (101), connecting rod (102), valve body (103), flap (105) and diaphragm (107); Described diaphragm (107) seals the upper end open of described valve body (103); Described valve gap (101) bottom is uncovered; In the uncovered upper end open that is buckled in described valve body (103) in described valve gap (101) lower end; Described diaphragm (107) is separated described valve body (103) and valve gap (101); Described valve gap (101) surrounds epicoele (2) with described diaphragm (107); Described valve body (103) surrounds cavity of resorption (3) with described diaphragm (107); The below of described cavity of resorption (3) also has a left chamber (5); Described left chamber (5) communicates through a duct with described cavity of resorption (3); Described connecting rod (102) and flap (105) are arranged in described cavity of resorption (3); Described connecting rod (102) upper end connects diaphragm (107), lower end connects flap (105); Described flap (105) is positioned at top, described duct; In the time that described connecting rod (102) is subject to downward pressure, described flap (105) seals described duct;
In described epicoele (2), there are some springs (108); Inwall, the lower end that the upper end of described spring (108) is arranged on described epicoele (2) is arranged on the top of described diaphragm (107);
The oil outlet described left chamber of access (5) of described oil inlet pipe (6); A mouth of pipe of described oil outlet tube (4) accesses described cavity of resorption (3), another mouth of pipe access oil storage tank (18);
Described pilot valve (9) comprises upper valve body (901), sense film (902), push rod (903), sleeve (904) and lower valve body (905); Described upper valve body (901) is arranged on described lower valve body (905) top; Described sense film (902) is positioned between upper valve body (901) and lower valve body (905); Described sense film (902) is separated the inner chamber (11) of the inner chamber of upper valve body (10) and lower valve body; Described sleeve (904) upper end open, lower end closed; The upper end of described sleeve (904) is connected to the below of lower valve body (905); The inner chamber (11) of described lower valve body communicates with the inner chamber (12) of sleeve by a through hole; The upper end of described push rod (903) is connected to the below of sense film (902); The lower end of described push rod (903) penetrates in the inner chamber (12) of sleeve; On the chamber wall of the inner chamber (12) of described sleeve, there is circular groove (9041); The space of described circular groove (9041) top is that the space of sleeve epicoele (121), below is sleeve cavity of resorption (122); The outer surface of described push rod (903) has annular boss (9031); In the time that described push rod (903) is subject to downward active force, described boss (9031) embeds in circular groove (9041), and sleeve epicoele (121) and sleeve cavity of resorption (122) are completely cut off and come; In the time that described push rod (903) is not subject to downward active force, described boss (9031) is positioned at circular groove (9041) top, and described sleeve epicoele (121) and sleeve cavity of resorption (122) are communicated with;
The inner chamber (11) of a described lower valve body of mouth of pipe access of described the first pipeline (15), the bottom of another mouth of pipe access oil storage tank (18);
A mouth of pipe of described PRESSURE PIPE (7) accesses described sleeve cavity of resorption (122), another mouth of pipe accesses left chamber (5);
A described mouth of pipe access sleeve epicoele (121), another mouth of pipe access epicoele (2) that draws oil pipe (8).
3. a kind of oil tank self-powering type device for preventing oil spilling according to claim 2, is characterized in that: the area of described valve body (103) upper end open is greater than the area of described opening of the channel.
4. a kind of oil tank self-powering type device for preventing oil spilling according to claim 2, is characterized in that: the inwall top of described epicoele (2) arranges guide pin bushing (109); Described spring (108) upper end contacts with the inwall top of described epicoele (2); Described spring (108) lower end contacts with the upper surface of metal dish (106); The upper surface of described metal dish (106) is installed guide rod; Described guide rod inserts in guide pin bushing (109); The lower surface of metal dish (106) contacts with the top of diaphragm (107).
5. a kind of oil tank self-powering type device for preventing oil spilling according to claim 1, is characterized in that: described pilot valve (9) also comprises described the second spring (906); Described push rod (903) locates to arrange spring capping at the described sense film of connection (902); Described spring stop (907) is installed in described upper valve body (901) inwall top; Described the second spring (906) one end is fixed on described spring stop (907), and the other end connects described spring capping.
6. a kind of oil tank self-powering type device for preventing oil spilling according to claim 1, is characterized in that: described oil inlet pipe (6), oil outlet tube (4), PRESSURE PIPE (7) and the first pipeline (15) are all in series with one-way valve.
7. a kind of oil tank self-powering type device for preventing oil spilling according to claim 1, is characterized in that: described sleeve cavity of resorption (122) and described cavity of resorption (3) are connected by second pipe (16); Described sleeve epicoele (121) and sleeve cavity of resorption (122) are connected by uniguide (13), on described second pipe (16) and uniguide (13), valve are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323928.9U CN203892644U (en) | 2014-06-18 | 2014-06-18 | Oil tank self-operated oil overflow preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323928.9U CN203892644U (en) | 2014-06-18 | 2014-06-18 | Oil tank self-operated oil overflow preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892644U true CN203892644U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323928.9U Withdrawn - After Issue CN203892644U (en) | 2014-06-18 | 2014-06-18 | Oil tank self-operated oil overflow preventing device |
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| Country | Link |
|---|---|
| CN (1) | CN203892644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154277A (en) * | 2014-06-18 | 2014-11-19 | 中国人民解放军后勤工程学院 | Self-actuated type oil spillage prevention device for oil tank |
-
2014
- 2014-06-18 CN CN201420323928.9U patent/CN203892644U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154277A (en) * | 2014-06-18 | 2014-11-19 | 中国人民解放军后勤工程学院 | Self-actuated type oil spillage prevention device for oil tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20160504 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |