CN204660498U - Can the fuel lid of automatic and manual pressure release - Google Patents
Can the fuel lid of automatic and manual pressure release Download PDFInfo
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- CN204660498U CN204660498U CN201520324332.5U CN201520324332U CN204660498U CN 204660498 U CN204660498 U CN 204660498U CN 201520324332 U CN201520324332 U CN 201520324332U CN 204660498 U CN204660498 U CN 204660498U
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- check valve
- air guide
- push rod
- guide channel
- lid
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Abstract
The utility model discloses a kind of can the fuel lid of automatic and manual pressure release, comprise the lid with air guide channel, being inserted with in air guide channel can along the push rod of its up-and-down movement, the first stage clip is provided with between push rod and lid, push rod is connected with the top seal of air guide channel by the seal ring on it, air guide channel has the larger gas leakage groove of diameter in the top of seal ring, the bottom of the gas port of push rod is connected with the bottom of air guide channel, push rod top is stretched out lid and is bolted with the knob for the upper shed of confined bed pore, the position upward and downward of bottom below push rod of air guide channel is folded to be provided with automatically, manual pressure release check valve, automatically, manual pressure release check valve is provided with second respectively and between lid, 3rd stage clip, air guide channel bottom has for releasing pressure automatically check valve to the step established, releasing pressure automatically check valve has the through hole supplying the bottom of push rod to wear, the utility model can automatic and manual pressure release, avoids fuel tank and causes accidental explosion because internal pressure cannot discharge.
Description
Technical field
The utility model relates to a kind of fuel tank, particularly relates to a kind of fuel lid.
Background technology
Because its temperature can produce steam etc. and then it is large to cause pressing through in fuel tank in fuel tank work, easily produce accidental explosion when tank internal pressure cannot discharge.And its considerable part structure of existing fuel lid is simple, be generally merely able to play sealing function, without pressure-relief explosion-proof function; And the fuel lid of explosion-proof relief generally all adopts through-hole form, the steam produced when absorbing fuel tank work with canister is to reduce tank internal pressure, but canister operating cycles is limited, and frequent replacement cost is higher and lack guarantee to the real-time pressure-relief explosion-proof of fuel tank.
Summary of the invention
The utility model object is: provide a kind of can the fuel lid of automatic and manual pressure release, avoid fuel tank and cause accidental explosion because internal pressure cannot discharge.
The technical solution of the utility model is: a kind of can the fuel lid of automatic and manual pressure release, comprise the air guide channel of lid and the through lid of upward and downward, being inserted with in described air guide channel can along the push rod of its up-and-down movement, the first stage clip is provided with between push rod and lid, the upper periphery of described push rod is arranged with seal ring and push rod is connected with the top seal of air guide channel by seal ring, air guide channel has the larger gas leakage groove of diameter in the top of seal ring, described push rod inside has the gas port of upper shed, the bottom of gas port is connected with the bottom of air guide channel, described push rod top is stretched out lid and is bolted with the knob for the upper shed of confined bed pore, the position upward and downward of bottom below push rod of described air guide channel is folded is provided with releasing pressure automatically check valve and manual pressure release check valve, releasing pressure automatically check valve and manual pressure release check valve are respectively and be provided with the second stage clip and the 3rd stage clip between lid, air guide channel bottom has for releasing pressure automatically check valve to the step established, described releasing pressure automatically check valve has the through hole supplying the bottom of push rod to wear,
When the fuel tank being provided with this fuel lid is in transport or sealing preservation process, knob is in locking state, releasing pressure automatically check valve is to being located at above step, manual pressure release check valve is to being located at releasing pressure automatically check valve lower surface, now fuel tank and large flow of QI being obstructed, when fuel tank internal gas pressure is excessive, releasing pressure automatically check valve is pressed to move and automatically opens and form the first air inlet gap with step place, push rod under the promotion of air pressure on move, when seal ring slips into gas leakage groove, be formed with first between seal ring and gas leakage groove to give vent to anger gap, the air pressure of fuel tank is through air guide channel lower end, first air inlet gap, in the middle part of air guide channel and the first gap of giving vent to anger communicates with ambient atmosphere,
When the fuel tank being provided with this fuel lid needs to use, unscrew knob and press down knob, push rod moves down thereupon and promotes manual pressure release check valve and moves down and open, now manual pressure release check valve departs from releasing pressure automatically check valve downwards and is formed with the second air inlet gap between the two, and oil gas is communicated with ambient atmosphere by the gas port of the through hole of air guide channel lower end, the second air inlet gap, releasing pressure automatically check valve, air guide channel middle and lower part, push rod and gas port and second of knob gap of giving vent to anger;
When the fuel tank being provided with this fuel lid is in normal operating condition, knob unscrews, the first air guide gap is formed between gas port and knob, manual pressure release check valve moves down and also and between releasing pressure automatically check valve forms the second air guide gap under the suction function of fuel tank internal, outside air is by entering in fuel tank, so that fuel oil energy pumps into smoothly behind the through hole of the gas port of the first air guide gap, push rod, air guide channel middle and lower part, releasing pressure automatically check valve, the second air guide gap and air guide channel lower end.
The further technical scheme of the utility model is: described lid is by exterior part, inner component and lower member assembling are formed, described exterior part comprises the outer cap of under shed, and by outer cap top center perforate week along the outer installing ring portion upwards extended to form, described inner component comprises the interior cap of under shed, be convexly equipped in the interior installing ring portion of interior cap top center, and be arranged on the perforate of interior cap top center, described interior installing ring portion to be arranged on inside outer installing ring portion and to be formed with limited step between the two, described lower member has the cavity of up/down perforation, the upper end of lower member and the inner top of interior cap are connected and fixed, described push rod is followed successively by wide section from top to bottom, thin diameter section and thin bar section, its wide section is installed in outer installing ring portion, thin diameter section is installed in interior installing ring portion, thin bar section inserts in the cavity of lower member through perforate, described first stage clip is arranged between thin diameter section and interior cap end face, interior step between thin diameter section with wide section and limited step corresponding, above-mentioned gas leakage groove offers the upper end inwall being formed at interior installing ring portion, described releasing pressure automatically check valve and manual pressure release check valve are arranged at the cavity bottom of lower member, second stage clip is arranged between releasing pressure automatically check valve upper surface and lower member, 3rd stage clip is arranged between manual pressure release check valve lower surface and lower member.
The thin bar section that described push rod is positioned at lower member cavity is provided with spacing back-up ring, and the external diameter of this spacing back-up ring is greater than the diameter of the perforate of interior cap top center, moves past the perforate of surprisingly deviating from inner component in journey to avoid push rod upper.
The utility model has the advantages that:
1. the utility model can automatic and manual pressure release, avoids fuel tank and causes accidental explosion because internal pressure cannot discharge.
2. releasing pressure automatically check valve of the present utility model and manual pressure release check valve fold to establish layout, there is in guide channel the step preventing releasing pressure automatically check valve from moving down, and releasing pressure automatically check valve realizing periphery seal to establishing by periphery and step, manually pressure release check valve is close to releasing pressure automatically check valve and is blocked through hole and realize central seal, and then the bottom of guide channel is blocked, but when releasing pressure automatically check valve moves by gas pressure, when manual pressure release check valve is moved down by manual depression or negative-pressure adsorption, releasing pressure automatically check valve and manual pressure release check valve are opened respectively automatically, and then guide channel bottom is switched on, this structure novel in structural design is unique, and in several cases all can pressure release, practicality is very strong.
3. lid of the present utility model is assembled by exterior part, inner component and lower member and is formed, and three's trim designs is ingenious, the design of limited step and spacing back-up ring, avoid push rod be pressed down or on excessively move down when moving or on move.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is that the utility model is in the structural representation transported or in sealing preservation process during normal condition;
Fig. 2 is the structural representation of the utility model when being in that in transport or sealing preservation process, fuel tank internal gas pressure is excessive;
Fig. 3 be the utility model be in fuel tank use before manual pressure release time structural representation;
Fig. 4 is the structural representation that the utility model is in when fuel tank normally uses.
Wherein: 1 lid; 11 exterior parts; 111 outer cap; 112 outer installing ring portions; 113 catch;
12 inner components; Cap in 121; Installing ring portion in 122; 123 perforates; 13 lower member; 131 cavitys; 14 limited steps; 15 chains;
2 air guide channels; 21 gas leakage grooves; 22 steps;
3 push rods; 31 gas ports; 32 wide sections; 33 thin diameter sections; 34 thin bar sections; 35 spacing back-up rings;
4 first stage clips;
5 seal rings;
6 knobs;
7 releasing pressure automatically check valves; 71 through holes;
8 manual pressure release check valves;
9 second stage clips;
10 the 3rd stage clips.
Detailed description of the invention
Embodiment: as shown in Figures 1 to 4, a kind of can the fuel lid of automatic and manual pressure release, comprise the air guide channel 2 of lid 1 and the through lid 1 of upward and downward, being inserted with in described air guide channel 2 can along the push rod 3 of its up-and-down movement, the first stage clip 4 is provided with between push rod 3 and lid 1, the upper periphery of described push rod 3 is arranged with seal ring 5 and push rod 3 is connected by the top seal of seal ring 5 with air guide channel 2, air guide channel 2 has the larger gas leakage groove 21 of diameter in the top of seal ring 5, described push rod 3 inside has the gas port 31 of upper shed, the bottom of gas port 31 is connected with the bottom of air guide channel 2, described push rod 3 top is stretched out lid 1 and is bolted with the knob 6 for confined bed pore 31 upper shed, the position upward and downward of bottom below push rod 3 of described air guide channel 2 is folded is provided with releasing pressure automatically check valve 7 and manual pressure release check valve 8, releasing pressure automatically check valve 7 and manual pressure release check valve 8 are respectively and be provided with the second stage clip 9 and the 3rd stage clip 10 between lid 1, air guide channel 2 bottom has for releasing pressure automatically check valve 7 to the step 22 established, described releasing pressure automatically check valve 7 has the through hole 71 supplying the bottom of push rod 3 to wear.
In the present embodiment, described lid 1 is by exterior part 11, inner component 12 and lower member 13 are assembled and are formed, described exterior part 11 comprises the outer cap 111 of under shed, and by outer cap 111 top center perforate week along the outer installing ring portion 112 upwards extended to form, described inner component 12 comprises the interior cap 121 of under shed, be convexly equipped in the interior installing ring portion 122 of interior cap 121 top center, and be arranged on the perforate 123 of interior cap top center, described interior installing ring portion 122 to be arranged on inside outer installing ring portion 112 and to be formed with limited step 14 between the two, described lower member 13 has the cavity 131 of up/down perforation, the upper end of lower member 13 and the inner top of interior cap 121 are connected and fixed, described push rod 3 is followed successively by wide section 32 from top to bottom, thin diameter section 33 and thin bar section 34, its wide section 32 is installed in outer installing ring portion 112, thin diameter section 33 is installed in interior installing ring portion 122, thin bar section 34 inserts in the cavity 131 of lower member 13 through perforate 123, described first stage clip 4 is arranged between thin diameter section 34 and interior cap 121 end face, interior step between thin diameter section 34 with wide section 32 and limited step 14 corresponding, above-mentioned gas leakage groove 21 offers the upper end inwall being formed at interior installing ring portion 122, described releasing pressure automatically check valve 7 and manual pressure release check valve 8 are arranged at cavity 31 bottom of lower member 13, second stage clip 9 is arranged between releasing pressure automatically check valve 7 upper surface and lower member 13, 3rd stage clip 10 is arranged between manual pressure release check valve 8 lower surface and lower member 13.
Further, the thin bar section 34 that described push rod 3 is positioned at lower member 13 cavity 131 is provided with spacing back-up ring 35, the external diameter of this spacing back-up ring 35 is greater than the diameter of the perforate 123 of interior cap 121 top center, moves past the perforate 123 of surprisingly deviating from inner component 12 in journey to avoid push rod 3 upper.
In the present embodiment, the design of limited step 14 and spacing back-up ring 15, avoid push rod 3 be pressed down or on excessively move down when moving or on move.
In the present embodiment, described outer cap 111 top is provided with the spaced apart catch 113 of multi-disc circumference in the periphery in outer installing ring portion 112, damage push rod to prevent fuel lid from colliding.The bottom of described lower member 13 is provided with chain 15, comes off to prevent fuel lid and fuel tank.
When the fuel tank being provided with this fuel lid is in transport or sealing preservation process, knob 6 is in locking state, and releasing pressure automatically check valve 7 is to being located at above step 22, and manual pressure release check valve 8 is to being located at releasing pressure automatically check valve 7 lower surface, now fuel tank and large flow of QI being obstructed, as shown in Figure 1.When fuel tank internal gas pressure is excessive, releasing pressure automatically check valve 7 is pressed to move and automatically opens and form the first air inlet gap with step 22 place, push rod 3 under the promotion of air pressure on move, when seal ring 5 slips into gas leakage groove, be formed with first between seal ring 5 and gas leakage groove 21 to give vent to anger gap, the air pressure of fuel tank in the middle part of air guide channel 2 lower end, the first air inlet gap, air guide channel 2 and the first gap of giving vent to anger communicate with ambient atmosphere, as shown in Figure 2.
When the fuel tank being provided with this fuel lid needs to use, unscrew knob 6 and press down knob 6, push rod 3 moves down thereupon and promotes manual pressure release check valve 5 and moves down and open, now manual pressure release check valve 5 departs from releasing pressure automatically check valve 7 downwards and is formed with the second air inlet gap between the two, oil gas is communicated with ambient atmosphere by the gas port 31 of the through hole 71 of air guide channel 2 lower end, the second air inlet gap, releasing pressure automatically check valve 7, air guide channel 2 middle and lower part, push rod 3 and gas port 31 and second of knob 6 gap of giving vent to anger, as shown in Figure 3.
When the fuel tank being provided with this fuel lid is in normal operating condition, knob 6 unscrews, the first air guide gap is formed between gas port 31 and knob 6, manual pressure release check valve 8 moves down and also and between releasing pressure automatically check valve 7 forms the second air guide gap under the suction function of fuel tank internal, outside air is by entering in fuel tank behind through hole 71, the second air guide gap of the gas port 31 of the first air guide gap, push rod 3, air guide channel 2 middle and lower part, releasing pressure automatically check valve 7 and air guide channel 2 lower end, so that fuel oil energy pumps into smoothly, as shown in Figure 4.
The utility model can automatic and manual pressure release, avoids fuel tank and causes accidental explosion because internal pressure cannot discharge.Releasing pressure automatically check valve 7 of the present utility model and manual pressure release check valve 8 fold to establish layout, there is in guide channel 2 step preventing releasing pressure automatically check valve 7 from moving down, and releasing pressure automatically check valve 7 realizing periphery seal to establishing by periphery and step, manually pressure release check valve 8 is close to releasing pressure automatically check valve 7 and is blocked through hole 71 and realize central seal, and then the bottom of guide channel 2 is blocked, but when releasing pressure automatically check valve 7 moves by gas pressure, when manual pressure release check valve 8 is moved down by manual depression or negative-pressure adsorption, releasing pressure automatically check valve 7 and manual pressure release check valve 8 are opened respectively automatically, and then guide channel 2 bottom is switched on, this structure novel in structural design is unique, and in several cases all can pressure release, practicality is very strong.
Below be only embody rule example of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (5)
1. one kind can the fuel lid of automatic and manual pressure release, comprise the air guide channel of lid and the through lid of upward and downward, it is characterized in that: being inserted with in described air guide channel can along the push rod of its up-and-down movement, the first stage clip is provided with between push rod and lid, the upper periphery of described push rod is arranged with seal ring and push rod is connected with the top seal of air guide channel by seal ring, air guide channel has the larger gas leakage groove of diameter in the top of seal ring, described push rod inside has the gas port of upper shed, the bottom of gas port is connected with the bottom of air guide channel, described push rod top is stretched out lid and is bolted with the knob for the upper shed of confined bed pore, the position upward and downward of bottom below push rod of described air guide channel is folded is provided with releasing pressure automatically check valve and manual pressure release check valve, releasing pressure automatically check valve and manual pressure release check valve are respectively and be provided with the second stage clip and the 3rd stage clip between lid, air guide channel bottom has for releasing pressure automatically check valve to the step established, described releasing pressure automatically check valve has the through hole supplying the bottom of push rod to wear,
When the fuel tank being provided with this fuel lid is in transport or sealing preservation process, knob is in locking state, releasing pressure automatically check valve is to being located at above step, manual pressure release check valve is to being located at releasing pressure automatically check valve lower surface, now fuel tank and large flow of QI being obstructed, when fuel tank internal gas pressure is excessive, releasing pressure automatically check valve is pressed to move and automatically opens and form the first air inlet gap with step place, push rod under the promotion of air pressure on move, when seal ring slips into gas leakage groove, be formed with first between seal ring and gas leakage groove to give vent to anger gap, the air pressure of fuel tank is through air guide channel lower end, first air inlet gap, in the middle part of air guide channel and the first gap of giving vent to anger communicates with ambient atmosphere,
When the fuel tank being provided with this fuel lid needs to use, unscrew knob and press down knob, push rod moves down thereupon and promotes manual pressure release check valve and moves down and open, now manual pressure release check valve departs from releasing pressure automatically check valve downwards and is formed with the second air inlet gap between the two, and oil gas is communicated with ambient atmosphere by the gas port of the through hole of air guide channel lower end, the second air inlet gap, releasing pressure automatically check valve, air guide channel middle and lower part, push rod and gas port and second of knob gap of giving vent to anger;
When the fuel tank being provided with this fuel lid is in normal operating condition, knob unscrews, the first air guide gap is formed between gas port and knob, manual pressure release check valve moves down and also and between releasing pressure automatically check valve forms the second air guide gap under the suction function of fuel tank internal, outside air is by entering in fuel tank, so that fuel oil energy pumps into smoothly behind the through hole of the gas port of the first air guide gap, push rod, air guide channel middle and lower part, releasing pressure automatically check valve, the second air guide gap and air guide channel lower end.
2. according to claim 1 a kind of can the fuel lid of automatic and manual pressure release, it is characterized in that: described lid is by exterior part, inner component and lower member assembling are formed, described exterior part comprises the outer cap of under shed, and by outer cap top center perforate week along the outer installing ring portion upwards extended to form, described inner component comprises the interior cap of under shed, be convexly equipped in the interior installing ring portion of interior cap top center, and be arranged on the perforate of interior cap top center, described interior installing ring portion to be arranged on inside outer installing ring portion and to be formed with limited step between the two, described lower member has the cavity of up/down perforation, the upper end of lower member and the inner top of interior cap are connected and fixed, described push rod is followed successively by wide section from top to bottom, thin diameter section and thin bar section, its wide section is installed in outer installing ring portion, thin diameter section is installed in interior installing ring portion, thin bar section inserts in the cavity of lower member through perforate, described first stage clip is arranged between thin diameter section and interior cap end face, interior step between thin diameter section with wide section and limited step corresponding, above-mentioned gas leakage groove offers the upper end inwall being formed at interior installing ring portion, described releasing pressure automatically check valve and manual pressure release check valve are arranged at the cavity bottom of lower member, second stage clip is arranged between releasing pressure automatically check valve upper surface and lower member, 3rd stage clip is arranged between manual pressure release check valve lower surface and lower member.
3. according to claim 2 a kind of can the fuel lid of automatic and manual pressure release, it is characterized in that: the thin bar section that described push rod is positioned at lower member cavity is provided with spacing back-up ring, the external diameter of this spacing back-up ring is greater than the diameter of the perforate of interior cap top center.
4. according to claim 2 a kind of can the fuel lid of automatic and manual pressure release, it is characterized in that: described outer cap top is provided with the spaced apart catch of multi-disc circumference in the periphery in outer installing ring portion.
5. according to claim 2 a kind of can the fuel lid of automatic and manual pressure release, it is characterized in that: the bottom of described lower member is provided with chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324332.5U CN204660498U (en) | 2015-05-20 | 2015-05-20 | Can the fuel lid of automatic and manual pressure release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324332.5U CN204660498U (en) | 2015-05-20 | 2015-05-20 | Can the fuel lid of automatic and manual pressure release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204660498U true CN204660498U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324332.5U Active CN204660498U (en) | 2015-05-20 | 2015-05-20 | Can the fuel lid of automatic and manual pressure release |
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| Country | Link |
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| CN (1) | CN204660498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487556A (en) * | 2017-08-28 | 2017-12-19 | 重庆洁邦电器有限公司 | A kind of plug type vacuum grain storage structure |
| CN110636975A (en) * | 2017-04-28 | 2019-12-31 | 嘉士伯酿酒有限公司 | Beverage container with pressure relief device and method of manufacturing a beverage container with a pressure relief device |
-
2015
- 2015-05-20 CN CN201520324332.5U patent/CN204660498U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110636975A (en) * | 2017-04-28 | 2019-12-31 | 嘉士伯酿酒有限公司 | Beverage container with pressure relief device and method of manufacturing a beverage container with a pressure relief device |
| CN110636975B (en) * | 2017-04-28 | 2021-08-20 | 嘉士伯酿酒有限公司 | Beverage container with pressure relief device and method of manufacturing a beverage container with a pressure relief device |
| CN107487556A (en) * | 2017-08-28 | 2017-12-19 | 重庆洁邦电器有限公司 | A kind of plug type vacuum grain storage structure |
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| GR01 | Patent grant |