CN204082406U - A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil - Google Patents
A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil Download PDFInfo
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- CN204082406U CN204082406U CN201420533285.0U CN201420533285U CN204082406U CN 204082406 U CN204082406 U CN 204082406U CN 201420533285 U CN201420533285 U CN 201420533285U CN 204082406 U CN204082406 U CN 204082406U
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- cage plate
- lid housing
- end surface
- oil
- ventilative
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Abstract
A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil, comprise lid housing, sealed spring, hush panel, oiling filter bowl, Packing spring, flexible sealing pressing cage plate, guide finger and ventilative spill preventing cover, hush panel is arranged in the inner chamber of lid housing, sealed spring is arranged between hush panel and lid housing, flexible sealed pressing sleeve sleeve-board is contained on guide finger, Packing spring is arranged between flexible sealing pressing cage plate and lid housing, the filter bowl that refuels is placed in the band neck tank filler sleeve of oil box, ventilative spill preventing cover is arranged on and refuels on filter bowl, when flexible sealing pressing cage plate is in extended configuration under the effect of Packing spring, reliable end face seal structure is formed between the lower end surface of ventilative spill preventing cover and the upper-end surface of oiling filter bowl.So just make oil box to achieve reliable and stable sealing, to effect a radical cure between fuel tank cap and tank filler because of dither or significantly rock and occur the defect of the excessive water clock of diesel oil, both having saved fuel, and reduced again the pollution to environment.
Description
[technical field]
The utility model relates to a kind of diesel engine part, particularly relates to the fuel tank cap of diesel oil tank.
[background technique]
Diesel oil tank is the Diesel oil storage parts on diesel engine, it comprises oil box, fuel tank cap, oil strain cup, fuel tank switch and diesel-oil filter, the top end of oil box is provided with band neck tank filler sleeve, oil strain cup is placed in band neck tank filler sleeve, seal ring is provided with in the upper-end surface of oil strain cup, fuel tank cap is installed on band neck tank filler sleeve, and the pressing plate in fuel tank cap is pressed together on the seal ring of oil strain cup upper-end surface by spring; Fuel tank switch is arranged on the bottom of oil box, diesel-oil filter is arranged in the inner chamber of oil box, and be arranged on the oil inlet end of fuel tank switch, hermetically transport pipe is installed at the oil outlet end of fuel tank switch, transport pipe and Injection Pump are tightly connected, the diesel oil added in oil box supplies Injection Pump suction supercharging after oil strain cup and diesel-oil filter cascade filtration, enters firing chamber by oil nozzle.Existing cover structure for fuel tank as shown in Figure 1, it comprises lid housing 1, sealed spring 2 and hush panel 3, the filter bowl 4 that refuels is sleeved in the band neck tank filler sleeve 20 of oil box 10, the upper-end surface of oiling filter bowl 4 is concordant with the upper-end surface of band neck tank filler sleeve 20, the upper-end surface of band neck tank filler sleeve 20 circumferentially offers two symmetrically and clamps breach 21, be provided with two symmetrically in the side lower end of lid housing 1 and clamp pawl 11, pressure compensation opening 12 is provided with on the top of lid housing 1, air hole 31 is provided with at the center of hush panel 3, hush panel 3 is arranged in the inner chamber of lid housing 1, sealed spring 2 is arranged between the inner cavity top of hush panel 3 and lid housing 1, when on the band neck tank filler sleeve 20 that fuel tank cap is installed on oil box 10, under normal conditions, the lower end surface of hush panel 3 contacts with the upper-end surface of oiling filter bowl 4 under sealed spring 2 acts on, the sealing to fuel tank tank filler sleeve is realized with this.
Although this fuel tank tank filler sleeve sealing configuration in theory also holds water and can form sealing configuration at end face, but be impracticable in actual use, due to diesel engine in working order time can produce dither, when the supporting power of diesel engine as running mechanism, whole diesel engine is in and irregularly rocks state, under irregular operating mode of rocking with dither, hush panel 3 is under dither condition, hush panel 3 can overcome the intrinsic elastic force of sealed spring 2, high frequency between the upper-end surface of the lower end surface of hush panel 3 and oiling filter bowl 4 is alternately departed from, add the diesel oil continuous excessive water clock under the state of rocking in oil box 10 like this, claimant is by testing and investigating discovery, if diesel engine is as the supporting power of microtractor (running mechanism), fill up one case diesel oil and have the diesel oil of 1/5 ~ 1/4 excessive water clock in walking is rocked, for the diesel engine of quiescent operation, the excessive amount of the diesel oil produced because of dither also has 15% ~ 20%.The excessive water clock of diesel oil not only wastes fuel, but also pollutes the environment.This is the major reason that the actual fuel consumption rate of existing diesel is too high.Diesel oil water clock herein is also one of three large diesel oil water clock places of the diesel engine that people are commonly called as, three large diesel oil water clock places of diesel engine alleged by people refer to: the first place is that fuel tank cap junction is rocked and leakage of oil because vibrating, second place is that fuel tank switch and fuel tank junction plane ooze water clock oil, and the 3rd place is the leakage of oil of fuel tank switch own.For a long time, people extremely thirst for the difficult problem solving the excessive leakage of oil in fuel tank cap junction, but fail to achieve a solution always.
[model utility content]
The purpose of this utility model is to provide the fuel tank cap automatic sealing device that a kind of vibration proof rocks leakage of oil, it can effectively prevent diesel oil in oil box excessive, after stopping to fill it up with oil in oil box, there is excessive weeping in diesel oil under the state of significantly rocking of dither.
The technological scheme that the utility model is taked is as follows:
A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil, it is characterized in that: comprise lid housing, sealed spring, hush panel, oiling filter bowl, Packing spring, flexible sealing pressing cage plate, guide finger and ventilative spill preventing cover, be provided with two symmetrically in the side lower end of lid housing and clamp pawl, pilot hole is provided with at the center of hush panel, hush panel is arranged in the inner chamber of lid housing, lower end clamps pawl axial limiting by two, sealed spring is arranged between the inner cavity top of hush panel and lid housing, flexible sealed pressing sleeve sleeve-board is contained on guide finger, flexible is Spielpassung between sealing pressing cage plate and guide finger, the upper end of guide finger is riveted on the top board of lid housing, guide finger is arranged in the inner chamber of lid housing, the inner hole sleeve of Packing spring is contained on flexible sealing pressing cage plate, the cylindrical of Packing spring is sleeved in pilot hole, Packing spring is arranged between flexible sealing pressing cage plate and the inner cavity top of lid housing, the filter bowl that refuels is placed on the interior step of band neck tank filler sleeve of oil box, ventilative spill preventing cover is arranged on and refuels on the upper-end surface of filter bowl, ventilative spill preventing cover is provided with air outlet hole, when on the band neck tank filler sleeve that lid housing is installed on oil box, flexible sealing pressing cage plate is in extended configuration under the effect of Packing spring, the lower end surface of flexible sealing pressing cage plate is pressed on the upper-end surface of ventilative spill preventing cover, make to form reliable end face seal structure between the upper-end surface of the lower end surface of ventilative spill preventing cover and oiling filter bowl.
Further, described flexible sealing pressing cage plate is ladder cover, be made up of upper guideway, lower guideway and pressboard, the endoporus of upper guideway and the female coaxial of lower guideway, the lower end surface of pressboard is vertical with the common axis line of upper guideway, lower guideway, the internal diameter of the endoporus of upper guideway is corresponding with the epimere diameter of axle of guide finger, and the internal diameter of lower guideway is corresponding with the hypomere diameter of axle of guide finger, is provided with flange circle upwards in the upper-end surface surrounding of pressboard.
Further, in oiling filter bowl and band neck tank filler sleeve, Sealing circle is provided with between step.
Further, ventilative spill preventing cover is provided with air outlet hole, air outlet hole communicates with the inner chamber of flexible sealing pressing cage plate.
Further, described ventilative spill preventing cover is made up of air outlet hole, anti-shallow air-permeable mattress, envelope Du axle core, upper sealing ring and anti-shallow cavity volume, air outlet hole is arranged on the lower end surface of envelope Du axle core, envelope Du axle core is arranged on the lower end of upper sealing ring, the external diameter of envelope Du axle core is corresponding with the upper shed endoporus of oiling filter bowl, the external diameter of upper sealing ring is corresponding with the upper open end external diameter of oiling filter bowl, and anti-shallow cavity volume is arranged on the top of air outlet hole, and anti-shallow air-permeable mattress is placed in anti-shallow cavity volume.
Further, the epimere diameter of axle of guide finger and the periphery of the hypomere diameter of axle are provided with vent slot vertically.
Because the utility model is under the constant condition of existing Oiltank structure, by improving fuel tank cap and refueling filter bowl,
The upper end of oiling filter bowl is made to be shelved on the interior step of band neck tank filler sleeve, and set up ventilative spill preventing cover in the upper shed of oiling filter bowl, when on the band neck tank filler sleeve that lid housing is installed on oil box, flexible sealing pressing cage plate is under the effect of Packing spring, the lower end surface of flexible sealing pressing cage plate is pressed on the upper-end surface of ventilative spill preventing cover, makes to form reliable end face seal structure between the upper-end surface of the lower end surface of ventilative spill preventing cover and oiling filter bowl.Tank filler is so just made to achieve reliable and stable sealing, no matter diesel engine produces dither in working procedure, or running mechanism drives diesel engine, and generation is significantly rocked, diesel oil in oil box all can not excessive water clock, to effect a radical cure between fuel tank cap and tank filler because of dither ideally or significantly rock and occur the defect of the excessive water clock of diesel oil, both save fuel, reduce again diesel oil to the pollution of environment.
[accompanying drawing explanation]
The mounting structure schematic diagram that Fig. 1 is existing fuel tank cap, refuels between filter bowl and oil box three;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of hush panel;
Fig. 4 is a kind of structural representation of ventilative spill preventing cover;
Fig. 5 is a kind of structural representation of flexible sealing pressing cage plate;
Fig. 6 is a kind of structural representation of guide finger;
Fig. 7 is the plan view of Fig. 6;
In figure, 1-lid housing; The sealed spring of 2-; 3-hush panel; 4-refuels filter bowl; 5-Packing spring; 6-stretches sealing pressing cage plate; 7-guide finger; 8-breathes freely spill preventing cover; 9-seal ring; 10-oil box; 11-clamps pawl; 12-pressure compensation opening; 20-is with neck tank filler sleeve; 21-clamps breach; Step in 22-; 31-air hole; 32-pilot hole; The upper guideway of 61-; Guideway under 62-; 63-pressboard; 64-flange circle; The 71-epimere diameter of axle; The 72-hypomere diameter of axle; 73-vent slot; 81-air outlet hole; 82-prevents shallow air-permeable mattress; 83-envelope Du axle core; 84-upper sealing ring; 85-prevents shallow cavity volume.
[embodiment]
Below in conjunction with accompanying drawing, embodiment of the present utility model is described:
Embodiment 1: a kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil, as shown in Figure 2 to 7, it comprises lid housing 1, sealed spring 2, hush panel 3, oiling filter bowl 4, Packing spring 5, flexible sealing pressing cage plate 6, guide finger 7, ventilative spill preventing cover 8 and seal ring 9, be provided with two symmetrically in the side lower end of lid housing 1 and clamp pawl 11, pilot hole 32 is provided with at the center of hush panel 3, hush panel 3 is arranged in the inner chamber of lid housing 1, and clamp pawl 11 by two axial limiting is carried out to it, sealed spring 2 is arranged between the inner cavity top of hush panel 3 and lid housing 1, described flexible sealing pressing cage plate 6 is by upper guideway 61, lower guideway 62 and pressboard 63 form, the endoporus of upper guideway 61 and the female coaxial of lower guideway 62, the lower end surface of pressboard 63 and upper guideway 61, the common axis line of lower guideway 62 is vertical, the internal diameter of the endoporus of upper guideway 61 is corresponding with the epimere diameter of axle 71 of guide finger 7, the internal diameter of lower guideway 62 is corresponding with the hypomere diameter of axle 72 of guide finger 7, flange circle 64 is upwards provided with in the upper-end surface surrounding of pressboard 63, guide finger 7 is sleeved in the inner bore of step of flexible sealing pressing cage plate 6 from below, the upper end of guide finger 7 is riveted on the top board of lid housing 1, be Spielpassung between the inner bore of step of flexible sealing pressing cage plate 6 and guide finger 7, guide finger 7 is arranged in the inner chamber of lid housing 1, the inner hole sleeve of Packing spring 5 is contained on the lower guideway 62 of flexible sealing pressing cage plate 6, the cylindrical of Packing spring 5 is sleeved in the pilot hole 32 of hush panel 3, and Packing spring 5 is between the pressboard 63 and the inner cavity top of lid housing 1 of flexible sealing pressing cage plate 6, in the filter bowl 4 that refuels is placed on oil box 10 band neck tank filler sleeve 20 by seal ring 9 on step 22, described ventilative spill preventing cover 8 is made up of air outlet hole 81, anti-shallow air-permeable mattress 82, envelope Du axle core 83, upper sealing ring 84 and anti-shallow cavity volume 85, envelope Du axle core 83 is arranged on the lower end of upper sealing ring 84, the external diameter of envelope Du axle core 83 is corresponding with the upper shed endoporus of oiling filter bowl 4, the external diameter of upper sealing ring 84 is corresponding with the upper open end external diameter of oiling filter bowl 4, anti-shallow cavity volume 85 is arranged on the top of air outlet hole 81, and anti-shallow air-permeable mattress 82 is arranged in anti-shallow cavity volume 85, when on the band neck tank filler sleeve 20 that lid housing 1 is installed on oil box 10, flexible sealing pressing cage plate 6 is under the effect of Packing spring 5, flexible sealing pressing cage plate 6 is in extended configuration, the lower end surface of flexible sealing pressing cage plate 6 is pressed on the upper-end surface of ventilative spill preventing cover 8, make to form reliable end face seal structure between the upper-end surface of the lower end surface of ventilative spill preventing cover 8 and oiling filter bowl 4, anti-shallow air-permeable mattress 82 is provided with in ventilative spill preventing cover 8, the lower end of anti-shallow air-permeable mattress 82 communicates with air outlet hole 81, the upper end of anti-shallow air-permeable mattress 82 communicates with the inner chamber of flexible sealing pressing cage plate 6, the material of anti-shallow air-permeable mattress 82 is sponge, in order to improve the pressure balance of fuel tank, the epimere diameter of axle 71 of guide finger 7 and the periphery of the hypomere diameter of axle 72 are provided with vent slot 73 vertically.
Mode of execution of the present utility model is a lot, is not enumerating one by one, such as, as long as utilize all schemes of anti-diesel oil sealing principle of the present utility model all within protection domain of the present utility model at this.
Claims (6)
1. a vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil, it is characterized in that: comprise lid housing (1), sealed spring (2), hush panel (3), oiling filter bowl (4), Packing spring (5), flexible sealing pressing cage plate (6), guide finger (7) and ventilative spill preventing cover (8), be provided with two symmetrically in the side lower end of lid housing (1) and clamp pawl (11), pilot hole (32) is provided with at the center of hush panel (3), hush panel (3) is arranged in the inner chamber of lid housing (1), lower end clamps pawl (11) axial limiting by two, sealed spring (2) is arranged between the inner cavity top of hush panel (3) and lid housing (1), flexible sealing pressing cage plate (6) is sleeved on guide finger (7), flexible is Spielpassung between sealing pressing cage plate (6) and guide finger (7), the upper end of guide finger (7) is riveted on the top board of lid housing (1), guide finger (7) is arranged in the inner chamber of lid housing (1), the inner hole sleeve of Packing spring (5) is contained on flexible sealing pressing cage plate (6), the cylindrical of Packing spring (5) is sleeved in pilot hole (32), Packing spring (5) is arranged between flexible sealing pressing cage plate (6) and the inner cavity top of lid housing (1), the filter bowl (4) that refuels is placed on the interior step (22) of the band neck tank filler sleeve (20) of oil box (10), ventilative spill preventing cover (8) is arranged on and refuels on the upper-end surface of filter bowl (4), ventilative spill preventing cover (8) is provided with air outlet hole (81), when the band neck tank filler sleeve (20) that lid housing (1) is installed on oil box (10) is upper, flexible sealing pressing cage plate (6) is in extended configuration under the effect of Packing spring (5), the lower end surface of flexible sealing pressing cage plate (6) is pressed on the upper-end surface of ventilative spill preventing cover (8), make to form reliable end face seal structure between the upper-end surface of the lower end surface of ventilative spill preventing cover (8) and oiling filter bowl (4).
2. vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil according to claim 1, it is characterized in that: described flexible sealing pressing cage plate (6) is ladder cover, by upper guideway (61), lower guideway (62) and pressboard (63) composition, the endoporus of upper guideway (61) and the female coaxial of lower guideway (62), the lower end surface of pressboard (63) and upper guideway (61), the common axis line of lower guideway (62) is vertical, the internal diameter of upper guideway (61) is corresponding with the epimere diameter of axle (71) of guide finger (7), the internal diameter of lower guideway (62) is corresponding with the hypomere diameter of axle (72) of guide finger (7), flange circle (64) is upwards provided with in the upper-end surface surrounding of pressboard (63).
3. vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil according to claim 1, it is characterized in that: between oiling filter bowl (4) and the interior step (22) of band neck tank filler sleeve (20), be provided with seal ring (9).
4. vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil according to claim 1, it is characterized in that: on ventilative spill preventing cover (8), be provided with air outlet hole (81), air outlet hole (81) communicates with the inner chamber of flexible sealing pressing cage plate (6).
5. vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil according to claim 1, it is characterized in that: described ventilative spill preventing cover (8) is by air outlet hole (81), anti-shallow air-permeable mattress (82), envelope Du's axle core (83), upper sealing ring (84) and anti-shallow cavity volume (85) composition, air outlet hole (81) is arranged on the lower end surface of envelope Du's axle core (83), envelope Du's axle core (83) is arranged on the lower end of upper sealing ring (84), the external diameter of envelope Du's axle core (83) is corresponding with the upper shed endoporus of oiling filter bowl (4), the external diameter of upper sealing ring (84) is corresponding with the upper open end external diameter of oiling filter bowl (4), anti-shallow cavity volume (85) is arranged on the top of air outlet hole (81), anti-shallow air-permeable mattress (82) is placed in anti-shallow cavity volume (85).
6. vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil according to claim 1, it is characterized in that: on the epimere diameter of axle (71) of guide finger (7) and the periphery of the hypomere diameter of axle (72), be provided with vent slot (73) vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533285.0U CN204082406U (en) | 2014-09-16 | 2014-09-16 | A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533285.0U CN204082406U (en) | 2014-09-16 | 2014-09-16 | A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082406U true CN204082406U (en) | 2015-01-07 |
Family
ID=52175133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533285.0U Withdrawn - After Issue CN204082406U (en) | 2014-09-16 | 2014-09-16 | A kind of vibration proof rocks the fuel tank cap automatic sealing device of leakage of oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251175A (en) * | 2014-09-16 | 2014-12-31 | 金坛金军动力机械有限公司 | Automatic fuel-tank cap sealing device capable of preventing fuel leakage caused by vibration and shaking |
-
2014
- 2014-09-16 CN CN201420533285.0U patent/CN204082406U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251175A (en) * | 2014-09-16 | 2014-12-31 | 金坛金军动力机械有限公司 | Automatic fuel-tank cap sealing device capable of preventing fuel leakage caused by vibration and shaking |
| CN104251175B (en) * | 2014-09-16 | 2019-07-30 | 常州金坛金军动力机械有限公司 | A kind of vibration proof rocks the fuel tank cap automatic sealing device of oil leak |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20190730 |