CN209892365U - Difficult-to-leak oil tank cover for generator set - Google Patents
Difficult-to-leak oil tank cover for generator set Download PDFInfo
- Publication number
- CN209892365U CN209892365U CN201920660879.0U CN201920660879U CN209892365U CN 209892365 U CN209892365 U CN 209892365U CN 201920660879 U CN201920660879 U CN 201920660879U CN 209892365 U CN209892365 U CN 209892365U
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- China
- Prior art keywords
- baffling
- groove
- annular
- sealing ring
- hole
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 239000002828 fuel tank Substances 0.000 claims abstract description 14
- 229920002943 EPDM rubber Polymers 0.000 claims description 8
- 239000000446 fuel Substances 0.000 abstract description 13
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of generating set, a difficult-to-reveal fuel tank cap for generating set is disclosed, including upper cover, case, sealed pad, still include welt, baffling sealing washer, install welt and baffling sealing washer between the step of case and the sunk part of upper cover, the welt be with the baffling sealing washer is the disc form, welt center is provided with the circular slot, the first half embedding of baffling sealing washer the circular slot, the baffling sealing washer includes air vent, backward flow hole, annular baffling groove, air inlet, the air inlet is located the baffling sealing washer side, annular baffling groove is many rings of spiral heliciform grooves, the air vent is the through-hole that sets up in the middle part of the baffling sealing washer; the backflow hole is formed in the middle of the annular baffling groove and penetrates through the valve core and the annular baffling groove. The utility model has simple structure and low modification cost; avoid the fuel to reveal through the air passage, save fuel, the pollution abatement, the security is high.
Description
Technical Field
The utility model relates to a generating set technical field specifically is a be difficult for revealing be used for generating set's fuel tank cap.
Background
The diesel generating set or the automobile generating set is driven by an engine, the engine is connected with an oil tank, diesel oil or gasoline is stored in the oil tank and is required by the work of the engine, and the oil tank is provided with an oil filling port. Carry out the closing cap through the fuel tank cap to the oil filler hole, because the engine can extract the fuel in the oil tank at the course of the work, consequently the fuel in the oil tank can be lacked gradually, if the oil tank is absolute sealed, then will produce the negative pressure in the oil tank, this negative pressure will hinder the extraction of fuel, consequently return air pump can be connected to a lot of oil tanks, and then with in the gaseous input oil tank, and to a lot of small-size portable generating set, the engine is small, in order to simplify the structure, usually can set up an inlet channel on the oil tank cap, but because inlet channel intercommunication outside, when the oil tank slope, can appear the oil leak phenomenon when jolting or inverting.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the to-be-solved technical problem of the utility model is small-size generating set's engine oil tank lid owing to be provided with inlet channel, can appear the oil leak phenomenon when the oil tank slope, jolt or invert, causes pollution, the loss energy, arouses the incident even.
The utility model provides a following technical scheme: an oil tank cover which is not easy to leak and used for a generating set comprises an upper cover, a valve core, a sealing gasket, a lining plate and a baffling sealing ring,
the upper cover is round, the center is concave, the edge is wave-shaped suitable for poking,
the valve core comprises a step at the top and a barrel-shaped body at the lower part, the step is in a wave shape matched with the upper cover, the step is high outside and low inside, an air inlet hole is arranged at the outer edge of the step, two symmetrical openings are arranged in the middle of the barrel-shaped body, a pressure spring is arranged in the barrel-shaped body, a locking plate penetrates through the openings and presses the spring, an annular sealing gasket is arranged between the locking plate and the step of the valve core,
a lining plate and a baffling sealing ring are arranged between the step of the valve core and the concave part of the upper cover, the lining plate and the baffling sealing ring are in a circular sheet shape, a circular groove is arranged at the center of the lining plate,
the upper half part of the baffling sealing ring is embedded into the circular groove, the baffling sealing ring comprises an air vent, a backflow hole, an annular baffling groove and an air inlet, the air inlet is positioned on the side surface of the baffling sealing ring, the annular baffling groove is a multi-ring spiral groove and extends to the outer edge from the center, the annular baffling groove is communicated with the air inlet, and the air vent is a through hole arranged in the middle of the baffling sealing ring; the backflow hole is formed in the middle of the annular baffling groove and penetrates through the valve core and the annular baffling groove.
Further, the annular baffling groove where the vent hole is located in the radial direction of the baffling sealing ring.
Further, the lining plate and the sealing gasket material are ethylene propylene diene monomer
Further, the diameter of the vent hole and the reflux hole is not more than 5 mm.
Further, the number of the backflow holes is more than two.
Furthermore, an annular baffling groove between the air inlet of the baffling sealing ring and the backflow hole is provided with reverse baffling, and the reverse baffling is two parallel straight line segments.
1. An upper cover; 2. a liner plate; 3. a baffling sealing ring; 4. a valve core; 5. a locking plate is clamped; 6. a pressure spring; 7. a gasket; 301. a return orifice; 302. a vent hole; 303. an air inlet; 304. annular baffling groove.
Compared with the prior art, the utility model provides a be difficult for revealing be used for generating set's fuel tank cap possesses following beneficial effect:
1. the structure is simple, the novel production can be realized, the lining plate and the baffling sealing ring can be added to reform the original oil tank cover, and the cost is lower;
2. be provided with the backward flow hole on the baffling sealing washer, the atmospheric pressure of cooperation air inlet avoids the fuel to reveal through the air passage, saves fuel, and the pollution reduction is high.
Drawings
Fig. 1 is a schematic perspective view of a fuel tank cap for a generator set, which is not easy to leak, according to the present invention;
fig. 2 is a front cross-sectional view of a fuel tank cap for a generator set, which is not easy to leak, according to the present invention;
fig. 3 is an exploded view of the fuel tank cap for a generator set, which is not easy to leak, according to the present invention;
fig. 4 is a schematic view of the basic structure of the baffle sealing ring according to the present invention;
fig. 5 is a schematic view of the baffle sealing ring according to the present invention with reverse baffle.
In the figure: 1. an upper cover; 2. a liner plate; 3. a baffling sealing ring; 4. a valve core; 5. a locking plate is clamped; 6. a pressure spring; 7. A gasket; 301. an upper cover; 302. an upper cover; 303. an air inlet; 304. annular baffling groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a fuel tank cap for a generator set with less leakage comprises an upper cap 1, a valve core 4, a sealing gasket 7, a lining plate 2, and a baffling sealing ring 3,
the upper cover 1 is round, the center is concave, the edge is wave-shaped suitable for poking,
the valve core 4 comprises a step at the top and a cylindrical body at the lower part, the step is in a wave shape matched with the upper cover 1, the step is high outside and low inside, an air inlet hole is arranged at the outer edge of the step, two symmetrical openings are arranged in the middle of the cylindrical body, a pressure spring 6 is arranged in the cylindrical body, a locking plate 5 penetrates through the openings and then presses the spring, an annular sealing gasket 7 is arranged between the locking plate 5 and the step of the valve core 4,
a lining plate 2 and a baffling sealing ring 3 are arranged between the step of the valve core 4 and the concave part of the upper cover 1, the lining plate 2 and the baffling sealing ring 3 are in a circular sheet shape, a circular groove is arranged at the center of the lining plate 2,
the upper half part of the baffling sealing ring 3 is embedded into the circular groove, the baffling sealing ring 3 comprises a vent hole 302, a backflow hole 301, an annular baffling groove 304 and an air inlet 303, the air inlet 303 is positioned on the side surface of the baffling sealing ring 3, the annular baffling groove 304 is a multi-circle spiral groove and extends to the outer edge from the center, the annular baffling groove 304 is communicated with the air inlet 303, and the vent hole 302 is a through hole arranged in the middle of the baffling sealing ring 3; the return hole 301 is disposed in the middle of the annular diversion groove 304 and penetrates through the valve core 4 and the annular diversion groove 304.
In practical applications, the annular baffling groove 304 in which the vent hole 302 is located is arranged in the radial direction of the baffling sealing ring 3.
In practical application, the lining plate 2 and the sealing gasket 7 are made of ethylene propylene diene monomer
In practical applications, the diameter of the vent hole 302 and the backflow hole 301 is not more than 5 mm.
In practical applications, there are more than two return holes 301.
In practical application, as shown in fig. 5, in order to prevent the leaked fuel from flowing out of the air inlet along the annular baffling groove, the annular baffling groove 304 between the air inlet 303 and the backflow hole 301 of the baffling sealing ring 3 is provided with reverse baffling which is two parallel straight line segments.
The utility model discloses a theory of operation: when the oil tank is used, the lower part of the valve core 4 extends into an oil inlet of an oil tank and is locked by the locking plate 5, and a sealing gasket 7 is arranged between the oil tank cover and the oil inlet.
A lining plate 2 and a baffling sealing ring 3 are adopted between an upper cover 1 and a valve core 4, a vent hole 302 and an air inlet 303 on the baffling sealing ring 3, an annular baffling groove 304 and an air inlet hole on the valve core 4 form an air passage, and fuel oil is smoothly extracted; when the oil tank jolts, inclines, inverts even, through setting up annular baffling groove 304, backward flow hole 301, the fuel backward flow of partly revealing, partly is detained in annular baffling groove 304, because engine operation, the fuel extraction, pressure is less outside the oil tank in the oil tank, and air inlet 303 is powerful in pressure, and the fuel of detaining passes through backward flow hole 301, air vent 302 backward flow oil return tank, reaches the effect of not revealing.
The utility model discloses a welt 2 adopts EPDM with sealed 7 of filling up, and EPDM elasticity is good, and the leakproofness is good, has fine corrosion resistance, and ageing resistance has excellent resistant weather, resistant ozone, heat-resisting, acid and alkali-resistance, water vapor resistance, color stability, electrical property, oil filling ability and normal atmospheric temperature mobility as sealed 7 uses of filling up. The ethylene propylene diene rubber product can be used for a long time at 120 ℃ and can be used for a short time or intermittently at the temperature of 150-200 ℃. The addition of proper antioxidant can raise its use temperature. The peroxide crosslinked ethylene-propylene-diene rubber can be used under severe conditions. The ethylene propylene diene monomer sealing strip has no crack for more than 150h under the conditions that the ozone concentration is 50pphm and the stretching is 30 percent, and has good fireproof and flame-retardant properties after the flame retardant is added.
In conclusion, the utility model has simple structure, can be newly produced, can also be added with a lining plate and a baffling sealing ring to reform the original oil tank cover, and has lower cost; avoid the fuel to reveal through the air passage, save fuel, the pollution abatement, the security is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a difficult fuel tank cap who is used for generating set who reveals, includes upper cover (1), case (4), sealed pad (7), its characterized in that: also comprises a lining plate (2) and a baffling sealing ring (3),
the upper cover (1) is round, the center is concave, the edge is wave-shaped suitable for poking,
the valve core (4) comprises a step at the top and a cylindrical body at the lower part, the step is in a wave shape matched with the upper cover (1), the step is high outside and low inside, an air inlet hole is formed in the edge of the outer side of the step, two symmetrical openings are formed in the middle of the cylindrical body, a pressure spring (6) is installed inside the cylindrical body, a locking plate (5) penetrates through the openings and then presses the spring, an annular sealing gasket (7) is installed between the locking plate (5) and the step of the valve core (4),
a lining plate (2) and a baffling sealing ring (3) are arranged between the step of the valve core (4) and the concave part of the upper cover (1), the lining plate (2) and the baffling sealing ring (3) are in a circular sheet shape, a circular groove is arranged at the center of the lining plate (2),
the upper half part of the baffling sealing ring (3) is embedded into the circular groove, the baffling sealing ring (3) comprises a vent hole (302), a backflow hole (301), an annular baffling groove (304) and an air inlet (303), the air inlet (303) is positioned on the side surface of the baffling sealing ring (3), the annular baffling groove (304) is a multi-ring spiral groove and extends to the outer edge from the center, the annular baffling groove (304) is communicated with the air inlet (303), and the vent hole (302) is a through hole arranged in the middle of the baffling sealing ring (3); the backflow hole (301) is arranged in the middle of the annular baffling groove (304) and penetrates through the valve core (4) and the annular baffling groove (304).
2. A fuel tank cap for a generator set with less tendency to leak according to claim 1, wherein: the annular baffling groove (304) where the vent hole (302) is located is arranged in the radial direction of the baffling sealing ring (3).
3. A fuel tank cap for a generator set with less tendency to leak according to claim 1, wherein: the lining plate (2) and the sealing gasket (7) are made of ethylene propylene diene monomer.
4. A fuel tank cap for a generator set with less tendency to leak according to claim 3, characterized in that: the diameters of the vent hole (302) and the backflow hole (301) are not more than 5 mm.
5. The fuel tank cap not easy to leak for the generator set according to claim 4, characterized in that: the number of the backflow holes (301) is more than two.
6. A non-leaking fuel tank cap for a generator set according to any one of claims 1 to 5, characterized in that: and an annular baffling groove (304) between the air inlet (303) of the baffling sealing ring (3) and the backflow hole (301) is provided with reverse baffling, and the reverse baffling is two parallel straight segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660879.0U CN209892365U (en) | 2019-05-09 | 2019-05-09 | Difficult-to-leak oil tank cover for generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660879.0U CN209892365U (en) | 2019-05-09 | 2019-05-09 | Difficult-to-leak oil tank cover for generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892365U true CN209892365U (en) | 2020-01-03 |
Family
ID=69020549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660879.0U Expired - Fee Related CN209892365U (en) | 2019-05-09 | 2019-05-09 | Difficult-to-leak oil tank cover for generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209892365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185563A (en) * | 2019-05-09 | 2019-08-30 | 盐城查尔斯机电有限公司 | A kind of fuel tank cap for generating set for being not easy to reveal |
-
2019
- 2019-05-09 CN CN201920660879.0U patent/CN209892365U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185563A (en) * | 2019-05-09 | 2019-08-30 | 盐城查尔斯机电有限公司 | A kind of fuel tank cap for generating set for being not easy to reveal |
| CN110185563B (en) * | 2019-05-09 | 2024-02-20 | 盐城查尔斯机电有限公司 | Difficult-to-leak oil tank cover for generator set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |