CN220639517U - Leak protection fuel tank cap - Google Patents
Leak protection fuel tank cap Download PDFInfo
- Publication number
- CN220639517U CN220639517U CN202322284847.4U CN202322284847U CN220639517U CN 220639517 U CN220639517 U CN 220639517U CN 202322284847 U CN202322284847 U CN 202322284847U CN 220639517 U CN220639517 U CN 220639517U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cover body
- sealing
- lock
- fuel tank
- 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.)
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Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 239000000428 dust Substances 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
The utility model relates to the technical field of fuel tank caps and discloses a leakage-proof fuel tank cap which comprises a cover body, wherein a lock seat is fixedly connected to the middle part of the cover body, a lock column is fixedly connected to the lower end of the lock seat, a first buffer spring is fixedly connected to the bottom of the lock column, a plug is fixedly connected to one end of the first buffer spring, which is far away from the lock column, a dust cover is hinged to the top of the cover body, a first sealing mechanism is fixedly connected to the inner wall of the cover body, a supporting plate is fixedly connected to the top of the cover body, a plurality of fixing plates are fixedly connected to the bottom of the supporting plate, a second buffer spring is fixedly connected to the bottom of the fixing plates, a sealing plate is fixedly connected to one end of the second buffer spring, which is far away from the fixing plates, of the sealing plate is movably connected to the inside of the cover body, and a connecting column and a second sealing mechanism are fixedly connected to the bottom of the sealing plate. According to the utility model, the cover body is sealed through the sealing plate, and the first buffer spring and the second buffer spring are matched, so that fuel leakage is prevented when the vehicle runs on a bumpy road section.
Description
Technical Field
The utility model relates to the technical field of fuel tank caps, in particular to a leakage-proof fuel tank cap.
Background
The fuel tank cap refers to a box for storing gasoline on an automobile, is square in shape, is made of stainless steel, has good sealing performance, and is provided with a small circular inlet, and the inlet is just as large as a cap of a bottle, so that the fuel tank cap is convenient to store and is generally placed at the tail of the automobile.
The application number is CN202122828357.7, a fuel tank cover is disclosed, the fuel tank cover comprises a flange, the upper end surface of the flange is provided with a connecting pipe, the outer wall of the connecting pipe is provided with internal threads, and the inner wall of the connecting pipe is provided with an annular groove; the connecting pipe is provided with a cover, the outer wall of the cover is provided with external threads, the cover is provided with a lock hole, a lock head is arranged at the lock hole, the lock head is connected with a lock tongue which is horizontally arranged, the lock tongue is positioned in the cover, the side edge of the lock tongue movably pushes against a lock rod, and the lock rod is horizontally arranged; the outer wall of the cover is provided with a perforation, and the lock rod passes through the perforation; according to the utility model, the lock tongue is pressed against and released from the lock rod, the lock rod is pressed against and inserted into the annular groove of the connecting pipe to form a locking state, the cover cannot be opened, the lock rod is released and retracted from the annular groove, and the cover can be opened, so that the oil tank cover has the characteristic of good safety.
The arrangement is convenient for injecting fuel through the fuel tank cover, but the fuel tank cover of the automobile is provided with the internal thread on the inner side of the cover edge of the lock cylinder, so that the tightness is poor when the automobile is used, and the phenomenon of oil seepage exists when the automobile runs through jolt.
Disclosure of Invention
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a leakage-proof fuel tank cap which comprises a cap body, wherein a lock seat is fixedly connected to the middle part of the cap body, a lock column is fixedly connected to the lower end of the lock seat, a first buffer spring is fixedly connected to the bottom of the lock column, a plug is fixedly connected to one end of the first buffer spring, which is far away from the lock column, a dust cover is hinged to the top of the cap body, a first sealing mechanism is fixedly connected to the inner wall of the cap body, a supporting plate is fixedly connected to the top of the cap body, a plurality of fixing plates are fixedly connected to the bottom of the supporting plate, a second buffer spring is fixedly connected to the bottom of the fixing plates, a sealing plate is fixedly connected to one end of the second buffer spring, which is far away from the fixing plates, and the sealing plate is movably connected to the inside of the cap body, and a connecting column and a second sealing mechanism are fixedly connected to the bottom of the sealing plate.
Further, the outer wall of the cover body is provided with a plurality of anti-slip stripes, the anti-slip stripes extend to the middle of the cover body, the friction force between the hands and the cover body is increased due to the arrangement of the anti-slip stripes, and the cover body is convenient for a user to take.
Further, the first sealing mechanism comprises a first fixing ring and a plurality of first sealing sheets, the first fixing ring is fixedly connected to the inner wall of the cover body, and the first sealing sheets are distributed on one side, close to the middle of the cover body, of the first fixing ring at equal intervals.
Further, the second sealing mechanism comprises a second fixing ring and a plurality of second sealing sheets, the second fixing ring is fixedly connected to the bottom of the sealing plate, and the second sealing sheets are distributed on one side, far away from the middle part of the cover body, of the second fixing ring at equal intervals.
Further, the second sealing sheets are in one-to-one correspondence with the first sealing sheets, and openings are formed in the second sealing sheets and the first sealing sheets.
Further, through holes are formed in the middles of the supporting plate, the sealing plate and the connecting columns, lock columns are arranged in the through holes, and the diameters of the lock columns are consistent with those of the through holes.
Further, be provided with the locking piece in the lock cylinder, the locking piece extends to the lock cylinder outer wall, the locking piece is fixed to two, the locking piece has cup jointed the rubber protection layer.
Further, the spout has been seted up to the spliced pole outer wall, the spout runs through inside the spliced pole, be provided with the locking piece in the spout, spliced pole outer wall sliding connection has the second retainer plate.
Further, the first buffer spring is coated with the nitrile rubber, and the fuel resistance of the nitrile rubber is far better than that of other rubbers, so that the service life of the first buffer spring is prolonged, and the elasticity of the first buffer spring is not influenced.
The utility model has the following beneficial effects:
(1) According to the utility model, the cover body is sealed through the sealing plate, when the vehicle runs on a bumpy road section, fuel shakes to impact the cover body, the blocking of the sealing plate to the fuel impact force is increased through the buffering action of the first buffer spring and the second buffer spring, the reset seal is carried out, the sealing of the cover body to the fuel tank is enhanced, the effect of preventing fuel leakage is achieved, and the safety is increased.
(2) According to the utility model, the first sealing mechanism and the second sealing mechanism can well seal and wrap the oil tank opening to replace the traditional threaded connection design, and simultaneously lock the oil tank opening by matching with the locking block, so that the problems that the cover body falls off from the oil tank opening due to jolt and shake are prevented, and the effects of sealing and quick disassembly are achieved.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;
FIG. 4 is a schematic diagram of a first seal mechanism and a second seal mechanism according to the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a cover body; 2. a lock base; 3. locking a column; 4. a first buffer spring; 5. a plug; 6. a dust cover; 7. a first sealing mechanism; 701. a first fixing ring; 702. a first sealing sheet; 8. a support plate; 9. a fixing plate; 10. a second buffer spring; 11. a sealing plate; 12. a connecting column; 13. a second sealing mechanism; 1301. a second fixing ring; 1302. a second sealing sheet; 14. anti-slip stripes; 15. a locking piece; 16. and a sliding groove.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model is a leak-proof fuel tank cap, which comprises a cap body 1, a lock seat 2 is fixedly connected to the middle part of the cap body 1, a lock column 3 is fixedly connected to the lower end of the lock seat 2, a first buffer spring 4 is fixedly connected to the bottom of the lock column 3, a plug 5 is fixedly connected to one end of the first buffer spring 4 away from the lock column 3, a dust cover 6 is hinged to the top of the cap body 1, a first sealing mechanism 7 is fixedly connected to the inner wall of the cap body 1, a supporting plate 8 is fixedly connected to the top of the inner cap body 1, a plurality of fixing plates 9 are fixedly connected to the bottom of the supporting plate 8, a second buffer spring 10 is fixedly connected to the bottom of the fixing plates 9, a sealing plate 11 is fixedly connected to one end of the second buffer spring 10 away from the fixing plates 9, the sealing plate 11 is movably connected to the inside the cap body 1, and a connecting column 12 and a second sealing mechanism 13 are fixedly connected to the bottom of the sealing plate 11.
The outer wall of the cover body 1 is provided with a plurality of anti-slip stripes 14, the anti-slip stripes 14 extend to the middle part of the cover body 1, the friction force between the hands and the cover body 1 is increased due to the arrangement of the anti-slip stripes 14, and the user can take the cover conveniently.
The first sealing mechanism 7 comprises a first fixing ring 701 and a plurality of first sealing sheets 702, wherein the first fixing ring 701 is fixedly connected to the inner wall of the cover body 1, and the first sealing sheets 702 are distributed on one side, close to the middle part of the cover body 1, of the first fixing ring 701 at equal intervals.
The second sealing mechanism 13 comprises a second fixing ring 1301 and a plurality of second sealing sheets 1302, wherein the second fixing ring 1301 is fixedly connected to the bottom of the sealing plate 11, and the second sealing sheets 1302 are distributed on one side, far away from the middle part of the cover body 1, of the second fixing ring 1301 at equal intervals.
The second sealing pieces 1302 are in one-to-one correspondence with the first sealing pieces 702, and the second sealing pieces 1302 are formed with openings with the first sealing pieces 702.
Through holes are formed in the middles of the supporting plate 8, the sealing plate 11 and the connecting column 12, lock columns 3 are arranged in the through holes, and the diameters of the lock columns 3 are consistent with those of the through holes.
The lock cylinder 3 is internally provided with lock blocks 15, the lock blocks 15 extend to the outer wall of the lock cylinder 3, the number of the lock blocks 15 is two, and the lock blocks 15 are sleeved with a rubber protection layer.
The outer wall of the connecting column 12 is provided with a sliding groove 16, the sliding groove 16 penetrates through the inside of the connecting column 12, a locking block 15 is arranged in the sliding groove 16, and the outer wall of the connecting column 12 is connected with a second fixing ring 1302 in a sliding mode.
The first buffer spring 4 is coated with nitrile rubber, the fuel resistance of which is far better than that of other rubbers, so that the service life of the first buffer spring 4 is protected and the elasticity of the first buffer spring is not affected.
When the anti-dust lock is used, the dustproof cover 6 is firstly opened, the key is inserted into the lock seat 2 to rotate the key so that the lock block 15 in the lock column 3 is retracted into the lock column 3, at the moment, the oil tank cover covered at the oil tank opening is pulled out to perform oiling work, after oiling is finished, the cover body 1 is pressed back to the oil tank opening to enable an opening formed by the first sealing mechanism 7 and the second sealing mechanism 13 to be aligned with the edge of the oil tank opening, the first sealing piece 702 and the second sealing piece 1302 are pressed to form a sealing structure, the key is screwed to enable the lock block 15 in the lock column 3 to stretch into the chute 16 of the connecting column 12, after operation is finished, the key is pulled out from the lock column 3 to cover the dustproof cover 6, when the anti-dust lock is driven on a bumpy road, the oil shakes to impact the cover body 1, the plug 5 preferentially blocks the impact force of part of the oil through the first buffer spring 4, and the sealing plate 11 can block the impact force of the rest part of the oil through the second buffer spring 10 and reset and seal the cover body 1 to seal the oil tank.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The utility model provides a leak protection fuel tank cap, includes lid (1), its characterized in that: the middle part of the cover body (1) is fixedly connected with a lock seat (2), and the lower end of the lock seat (2) is fixedly connected with a lock column (3);
the bottom of the lock column (3) is fixedly connected with a first buffer spring (4), and one end, far away from the lock column (3), of the first buffer spring (4) is fixedly connected with a plug (5);
a dust cover (6) is hinged to the top of the cover body (1);
the inner wall of the cover body (1) is fixedly connected with a first sealing mechanism (7);
the top in the cover body (1) is fixedly connected with a supporting plate (8), and the bottom of the supporting plate (8) is fixedly connected with a plurality of fixing plates (9);
the bottom of the fixed plate (9) is fixedly connected with a second buffer spring (10), and one end, far away from the fixed plate (9), of the second buffer spring (10) is fixedly connected with a sealing plate (11);
the sealing plate (11) is movably connected inside the cover body (1);
the bottom of the sealing plate (11) is fixedly connected with a connecting column (12) and a second sealing mechanism (13).
2. The leak resistant fuel tank cap as set forth in claim 1, wherein: the anti-slip strip cover is characterized in that a plurality of anti-slip strips (14) are arranged on the outer wall of the cover body (1), and the anti-slip strips (14) extend to the middle of the cover body (1).
3. The leak resistant fuel tank cap as set forth in claim 1, wherein: the first sealing mechanism (7) comprises a first fixing ring (701) and a plurality of first sealing sheets (702), and the first fixing ring (701) is fixedly connected to the inner wall of the cover body (1);
the first sealing sheets (702) are distributed on one side, close to the middle of the cover body (1), of the first fixing ring (701) at equal intervals.
4. The leak resistant fuel tank cap as set forth in claim 1, wherein: the second sealing mechanism (13) comprises a second fixing ring (1301) and a plurality of second sealing sheets (1302), and the second fixing ring (1301) is fixedly connected to the bottom of the sealing plate (11);
the second sealing sheets (1302) are distributed on one side, far away from the middle part of the cover body (1), of the second fixing ring (1301) at equal intervals.
5. The leak resistant fuel tank cap as set forth in claim 4, wherein: the second sealing sheets (1302) are in one-to-one correspondence with the first sealing sheets (702), and openings are formed in the second sealing sheets (1302) and the first sealing sheets (702).
6. The leak resistant fuel tank cap as set forth in claim 1, wherein: the middle parts of the supporting plate (8), the sealing plate (11) and the connecting column (12) are provided with through holes;
a lock column (3) is arranged in the through hole;
the diameter of the lock cylinder (3) is consistent with the diameter of the through hole.
7. The leak resistant fuel tank cap as set forth in claim 1, wherein: a locking block (15) is arranged in the lock cylinder (3), and the locking block (15) extends to the outer wall of the lock cylinder (3);
the number of the locking blocks (15) is two, and the locking blocks (15) are sleeved with a rubber protection layer.
8. The leak resistant fuel tank cap as set forth in claim 1, wherein: the outer wall of the connecting column (12) is provided with a sliding groove (16), and the sliding groove (16) penetrates through the inside of the connecting column (12);
a locking block (15) is arranged in the sliding groove (16);
the outer wall of the connecting column (12) is connected with a second fixing ring (1301) in a sliding mode.
9. The leak resistant fuel tank cap as set forth in claim 1, wherein: the first buffer spring (4) is coated with nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322284847.4U CN220639517U (en) | 2023-08-24 | 2023-08-24 | Leak protection fuel tank cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322284847.4U CN220639517U (en) | 2023-08-24 | 2023-08-24 | Leak protection fuel tank cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220639517U true CN220639517U (en) | 2024-03-22 |
Family
ID=90268779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322284847.4U Active CN220639517U (en) | 2023-08-24 | 2023-08-24 | Leak protection fuel tank cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220639517U (en) |
-
2023
- 2023-08-24 CN CN202322284847.4U patent/CN220639517U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |