CN103115153A - Novel self-sealed oil drain valve - Google Patents
Novel self-sealed oil drain valve Download PDFInfo
- Publication number
- CN103115153A CN103115153A CN201310075128XA CN201310075128A CN103115153A CN 103115153 A CN103115153 A CN 103115153A CN 201310075128X A CN201310075128X A CN 201310075128XA CN 201310075128 A CN201310075128 A CN 201310075128A CN 103115153 A CN103115153 A CN 103115153A
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- CN
- China
- Prior art keywords
- spring retainer
- elastic element
- self
- fuel outlet
- outlet valve
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 22
- 239000012530 fluid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a novel self-sealed oil drain valve and belongs to the technical field of engineering machinery manufacture. The novel self-sealed oil drain valve comprises a spring keeping frame (1), an elastic element (2) and a valve core (3). One end (11) of the spring keeping frame (1) is opened and the other end (12) of the spring keeping frame (1) is sealed. A through hole (13) is arranged in a cylinder wall of the cylinder-shaped spring keeping frame (1). The elastic element (2) is arranged in the spring keeping frame (1). Two ends of the elastic element (2) are respectively connected with one end (31) of the valve core (3) and the other end (12) of the spring keeping frame (1). A sealing part (32) is arranged on the valve core (3) and slides and is connected in the inner side of the cylinder wall of the cylinder-shaped spring keeping frame (1) in a sealed mode. When the elastic element (2) is in a non-pressed state, the sealing part (32) is arranged on one side of the other end (12), away from the spring keeping frame, of the through hole (13) in the cylinder wall of the spring keeping frame (1). When the elastic element (2) is in a pressed state, the sealing part (32) is arranged on one side of one end (11), away from the spring keeping frame, of the through hole (13). The novel self-sealed oil drain valve is simple and convenient to operate, easy to machine, low in cost and good in sealing effect.
Description
Technical field
The invention belongs to mechanical manufacturing field, relate to a kind of fuel outlet valve, relate in particular to a kind of Novel self-closed formula fuel outlet valve.
Background technique
The hydraulic oil of engineering machinery or machine oil need regularly be changed in use for some time.What traditional jettison gear generally adopted is to block up at fuel tank bottom installation one oil, need take off oil when draining the oil fully stifled.
Before the present invention, the inventor finds prior art, and there are the following problems at least: on the one hand, in oil stifled moment of taking off, the oil in fuel tank can flow out rapidly, inevitably can cause to a certain degree pollution to ground and surrounding environment; On the other hand, the amount of draining the oil and the speed of draining the oil are uncontrollable, if only need emit a small amount of fluid, relatively are difficult to realize.
Mostly can only realize the gradual increase of the amount of draining the oil or reduce, can not realize that the waste oil of discharging directly is recovered in specified containers through flexible pipe, and processed complex, difficulty of processing is high, the efficient of draining the oil is lower.
Therefore, those skilled in the art is devoted to develop a kind of easy processing, Novel self-closed formula fuel outlet valve that cost is low.
Summary of the invention
Now provide a kind of Novel self-closed formula fuel outlet valve, the folding between the through hole by elastic element and seal spool section control spring retainer and an end of opening, easy and simple to handle, easy, with low cost, the good sealing effect of processing.Concrete technological scheme is as follows:
a kind of Novel self-closed formula fuel outlet valve, comprise spring retainer, elastic element and spool, described spring retainer be shaped as an end opening, the tubular of the other end sealing, the barrel of described tubular spring retainer is provided with through hole, described elastic element is located in described spring retainer, the two ends of described elastic element respectively with an end of described spool, the other end of described spring retainer connects, described spool is provided with sealed department, the barrel inner slide of described sealed department and described tubular spring retainer also is tightly connected, when described elastic element is in extended state, described sealed department is positioned at the side away from the spring retainer the other end of through hole on described spring retainer barrel, when described elastic element was in compressive state, described sealed department was positioned at the side away from spring retainer one end of described through hole.
Preferably, described elastic element is spring.
Preferably, an end of described spool is provided with cylindrical protrusions, and an end of described elastic element is sheathed on described projection, and the other end of described elastic element is connected with the other end of described tubular spring retainer.
Preferably, the other end of described spool is provided with the cylindrical tube of hollow, also is provided with the hole on the barrel of described cylinder.
Preferably, also comprise base, one end of described base is inserted in an end of described tubular spring retainer, described base is provided with perforate, the jacket casing of the described spool the other end enters in described perforate, when described elastic element is in extended state, the sealing of the upper-end surface of described seal spool section and holes on base.
Preferably, also comprise nut, described nut and described holes on base are removable and be tightly connected.
Preferably, the perforated wall of the described base the other end is provided with screw thread, and described nut and described perforate are threaded connection.
Preferably, also be provided with the first seal ring between the end face of described holes on base and described nut.
Preferably, also comprise valve seat, described tubular spring retainer is sheathed in described valve seat, and described base is connected with described valve base sealing.
Preferably, also comprise screw and the second seal ring, described base is connected with described valve seat by described screw, and described the second seal ring is located between described base and described valve seat.
Preferably, the quantity of the through hole on described spring retainer barrel is 4.
Technique scheme has following advantage or beneficial effect:
The design's embodiment only need back out nut when needs are drained the oil, will be connected to the flexible pipe of active tube joint the base lower end, and fluid can be recovered to specified containers through spring retainer and spool; And can control by the degree of depth of selecting joint to be screwed into base the speed of draining the oil;
Spring retainer adopts sleeve to add the blocked flake type structure, and is easy to process, is easy to realize;
Under normal conditions, adopt the axial seal of O shape circle, good sealing effect;
Drain the oil under state, fluid is less by the resistance of spool and drain line joint, and the efficient of draining the oil is high;
By screw, the fuel outlet valve assembly is fixed on valve seat, easy for installation.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of embodiments of the invention normality;
Fig. 2 is the structural representations of embodiments of the invention when draining the oil;
Fig. 3 is the assembly structure schematic diagram of embodiments of the invention.
Wherein, 1 for spring retainer, 11 for an end of spring retainer, 12 for the other end of spring retainer, 13 for through hole, 2 for elastic element, 3 for spool, 31 for an end of spool, 32 for sealed department, 33 for the other end of spool, 4 for valve seat, 5 for oil tank bottom plate, 6 be that the second seal ring, 7 is that screw, 8 is that base, 9 is that the first seal ring, 10 is that nut, 20 is the drain line joint.
Embodiment
Below with reference to accompanying drawing, the present invention is done concrete explaination.
The Novel self-closed formula fuel outlet valve of embodiments of the invention as shown in fig. 1 comprises spring retainer 1, elastic element 2 and spool 3.
The tubular that is shaped as end 11 openings, the other end 12 sealings of spring retainer 1.The barrel of tubular spring retainer 1 is provided with through hole 13.Elastic element 2 is located in spring retainer 1, and the two ends of elastic element 2 are connected with an end 31 of spool 3, the other end 12 of spring retainer 1 respectively.Spool 3 is provided with sealed department 32, and the barrel inner slide of sealed department 32 and tubular spring retainer 1 also is tightly connected.
When elastic element 2 was in extended state, sealed department 32 was positioned at the side away from the spring retainer the other end 12 of through hole 13 on spring retainer 1 barrel, and at this moment, through hole 13 does not communicate with the opening of spring retainer one end 11; When elastic element 2 was in compressive state, sealed department 32 was positioned at the side away from spring retainer one end 11 of through hole 13, and at this moment, through hole 13 communicates with the opening of spring retainer one end 11.
So, embodiments of the invention are controlled the folding between an end 11 of the through hole 13 of spool sealed department 32 control spring retainers 1 and opening by elastic element 2, and further control by the deformation extent of elastic element 2 speed of draining the oil.And do not draining the oil, namely closing under the state of an end 11 of through hole 13 and opening, the decrement of elastic element 2 is minimum, is beneficial to the long-term use of equipment.
In an embodiment of the present invention, the extended state of described elastic element is for compressive state, the initial compressed state of the concrete thrum element of extended state.
The Novel self-closed formula fuel outlet valve of the embodiments of the invention as shown in Fig. 1 and 3 comprises spring retainer 1, elastic element 2, spool 3, valve seat 4, the second seal ring 6, screw 7, base 8, the first seal ring 9, nut 10.
As shown in fig. 1, valve seat 4 is welded on oil tank bottom plate 5, and the material of valve seat 4 is preferably steel, and its structure is discoid, and disc centre has a step hole, is used for placing spring retainer 1.For ease of assembling and guaranteeing the second seal ring 6, be preferably the sealability of O shape circle, an end 11 of keep-spring retainer 1 is provided with step, and just puts into the step hole of valve seat 4, and certain gap need to be arranged.
Preferred spring retainer 1 be shaped as cylindrical shape, have 4 through holes 13 that are used for discharge opeing on barrel.The other end 12 of spring retainer 1 is welded with a rounded tabs, and catch central authorities have a circular groove and are used for fixedly elastic element 2, are preferably spring, and keep-spring centering.
The material requirements of spool 3 has certain hardness and the Packed performance of tool, preferably with nylon rod bar or steel.The structure of spool 3 is 3 stops, and an end 31 is preferably cylindrical protrusions, is used for placing spring; Middle sealed department 32 and the barrel inner seal of spring retainer 1 are used for sealing fluid; The other end 32 is the cylindrical tube of hollow, and the hole that has four symmetries on cylinder is used for discharge opeing.Base 8 is inserted in spring retainer 1, and seals with valve seat 4, prevents the fluid leakage, is provided with the first seal ring 9 between preferred base 8 and valve seat, to improve sealing effect.
The fuel outlet valve assembly is fixed on valve seat 4 by screw 7, also is provided with packing ring between preferred screw 7 and base 8.As shown in fig. 1, when not draining the oil, spool 3 is under the effect of spring force, and in the middle of it, sealed department 32 keeps sealing with the upper-end surface of base 8, guarantees that fuel outlet valve can seal up fluid fully and can not produce leakage when normality.In the present embodiment, preferably at base 8 perforate lower end connection one nuts 10.
As shown in Figure 2, when needs are drained the oil, nut 10 is backed out, spool 3 can seal up in short-term fluid and can not leak outside under the effect of spring force, connect the flexible pipe with active tube joint 20, be screwed into the increase of the degree of depth along with joint 20, the opening degree of spool 3 increases gradually, and the speed of draining the oil also increases thereupon.
Above specific embodiments of the invention are described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of doing under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (10)
1. Novel self-closed formula fuel outlet valve, it is characterized in that, comprise spring retainer (1), elastic element (2) and spool (3), described spring retainer (1) be shaped as an end (11) opening, the tubular of the other end (12) sealing, the barrel of described tubular spring retainer (1) is provided with through hole (13), described elastic element (2) is located in described spring retainer (1), the two ends of described elastic element (2) respectively with the end (31) of described spool (3), the other end (12) of described spring retainer (1) connects, described spool (3) is provided with sealed department (32), the barrel inner slide of described sealed department (32) and described tubular spring retainer (1) also is tightly connected, when described elastic element (2) when being in extended state, described sealed department (32) is positioned at the side away from spring retainer (1) the other end (12) of through hole (13) on described spring retainer (1) barrel, when being in compressive state, described sealed department (32) is positioned at the side away from spring retainer (1) one end (11) of described through hole (13) when described elastic element (2).
2. self-closing fuel outlet valve as claimed in claim 1, is characterized in that, described elastic element (2) is spring.
3. self-closing fuel outlet valve as claimed in claim 2, it is characterized in that, one end (31) of described spool (3) is provided with cylindrical protrusions, one end of described elastic element (2) is sheathed on described projection, and the other end of described elastic element (2) is connected with the other end (12) of described tubular spring retainer (1).
4. self-closing fuel outlet valve as claimed in claim 3, is characterized in that, the other end (33) of described spool (3) is provided with the cylindrical tube of hollow, also is provided with the hole on the barrel of described cylinder.
5. self-closing fuel outlet valve as claimed in claim 4, it is characterized in that, also comprise base (8), one end of described base (8) is inserted in an end (11) of described tubular spring retainer (1), described base (8) is provided with perforate, the jacket casing of described spool (3) the other end (33) enters in described perforate, and when being in extended state, described spool (3) sealed department (32) seals with the upper-end surface of base (8) perforate when described elastic element (2).
6. self-closing fuel outlet valve as claimed in claim 5, is characterized in that, also comprises nut (10), and described nut (10) and described base (8) perforate are removable and be tightly connected.
7. self-closing fuel outlet valve as claimed in claim 6, is characterized in that, the perforated wall of described base (8) the other end is provided with screw thread, and described nut (10) is threaded connection with described perforate.
8. self-closing fuel outlet valve as claimed in claim 7, is characterized in that, also is provided with the first seal ring (9) between the end face of described base (8) perforate and described nut (10).
9. self-closing fuel outlet valve as claimed in claim 8, is characterized in that, also comprises valve seat (4), and described tubular spring retainer (1) is sheathed in described valve seat (4), and described base (8) is tightly connected with described valve seat (4).
10. self-closing fuel outlet valve as claimed in claim 9, it is characterized in that, also comprise screw (7) and the second seal ring (6), described base (8) is connected with described valve seat (4) by described screw (7), and described the second seal ring (6) is located between described base (8) and described valve seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075128XA CN103115153A (en) | 2013-03-08 | 2013-03-08 | Novel self-sealed oil drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075128XA CN103115153A (en) | 2013-03-08 | 2013-03-08 | Novel self-sealed oil drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103115153A true CN103115153A (en) | 2013-05-22 |
Family
ID=48413568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310075128XA Pending CN103115153A (en) | 2013-03-08 | 2013-03-08 | Novel self-sealed oil drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103115153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590861A (en) * | 2018-03-06 | 2018-09-28 | 中国航发哈尔滨东安发动机有限公司 | A kind of Fuel Bleed Valve |
| CN109667763A (en) * | 2018-12-24 | 2019-04-23 | 江阴爱尔姆真空设备有限公司 | A kind of vacuum pump jettison gear |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405088Y (en) * | 1999-10-29 | 2000-11-08 | 上海宝钢集团公司 | Oil releasing valve |
| CN201116479Y (en) * | 2007-11-12 | 2008-09-17 | 李祖培 | Engine oil drainage device |
| DE102009012946A1 (en) * | 2009-03-12 | 2010-09-16 | Mahle International Gmbh | Valve device for use as positive or negative pressure relief valve in e.g. fuel filter in motor vehicle, has complementary circular valve seat, translationally adjustable valve piston, valve disk and guiding element that are made of plastic |
| CN202100723U (en) * | 2011-06-10 | 2012-01-04 | 覃丽霞 | Novel oil discharging valve |
| CN202132511U (en) * | 2011-06-01 | 2012-02-01 | 中国航空动力机械研究所 | Oil discharging switch |
| CN202493727U (en) * | 2012-03-23 | 2012-10-17 | 林菊芬 | Oil outlet valve |
| JP2012211698A (en) * | 2004-12-23 | 2012-11-01 | Mks Instruments Inc | Valve assembly |
| CN202561413U (en) * | 2012-05-09 | 2012-11-28 | 王正东 | Oil drain valve |
| CN203162166U (en) * | 2013-03-08 | 2013-08-28 | 三一重通机械有限公司 | Novel self-closed oil drain valve |
-
2013
- 2013-03-08 CN CN201310075128XA patent/CN103115153A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405088Y (en) * | 1999-10-29 | 2000-11-08 | 上海宝钢集团公司 | Oil releasing valve |
| JP2012211698A (en) * | 2004-12-23 | 2012-11-01 | Mks Instruments Inc | Valve assembly |
| CN201116479Y (en) * | 2007-11-12 | 2008-09-17 | 李祖培 | Engine oil drainage device |
| DE102009012946A1 (en) * | 2009-03-12 | 2010-09-16 | Mahle International Gmbh | Valve device for use as positive or negative pressure relief valve in e.g. fuel filter in motor vehicle, has complementary circular valve seat, translationally adjustable valve piston, valve disk and guiding element that are made of plastic |
| CN202132511U (en) * | 2011-06-01 | 2012-02-01 | 中国航空动力机械研究所 | Oil discharging switch |
| CN202100723U (en) * | 2011-06-10 | 2012-01-04 | 覃丽霞 | Novel oil discharging valve |
| CN202493727U (en) * | 2012-03-23 | 2012-10-17 | 林菊芬 | Oil outlet valve |
| CN202561413U (en) * | 2012-05-09 | 2012-11-28 | 王正东 | Oil drain valve |
| CN203162166U (en) * | 2013-03-08 | 2013-08-28 | 三一重通机械有限公司 | Novel self-closed oil drain valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590861A (en) * | 2018-03-06 | 2018-09-28 | 中国航发哈尔滨东安发动机有限公司 | A kind of Fuel Bleed Valve |
| CN109667763A (en) * | 2018-12-24 | 2019-04-23 | 江阴爱尔姆真空设备有限公司 | A kind of vacuum pump jettison gear |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20160601 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |