CN111907325A

CN111907325A - Fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing

Info

Publication number: CN111907325A
Application number: CN202010784215.2A
Authority: CN
Inventors: 杜黎明
Original assignee: 杜黎明
Current assignee: Jiaxing liangchuang Technology Co., Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2020-11-10
Anticipated expiration: 2040-08-06
Also published as: CN111907325B

Abstract

The invention relates to the field of fuel tank covers, and discloses a fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing, which comprises a bottom cover, wherein a bottom plate is fixedly arranged at the top end of the bottom cover, an outer frame column is fixedly arranged at the top end of the bottom plate, a partition plate is movably arranged at the top end of the outer frame column, a screw cap is movably arranged at the top end of the partition plate, a plug block is fixedly arranged at the bottom end of the screw cap, a screw plate is fixedly arranged at the top end of the partition plate, a sealing ring is movably arranged at the bottom end of the partition plate, an air inlet groove is formed in the partition plate, an insert column is movably arranged at the bottom end of the partition plate, a lantern ring is movably arranged on the outer surface of the insert column, an air vent groove pipe is formed in the insert column, a fixing ring is fixedly arranged in the air vent, the fuel tank is convenient to use.

Description

Fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing

Technical Field

The invention relates to the field of fuel tank covers, in particular to a fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing.

Background

In a conventional fuel tank cover, the pressure inside the fuel tank is reduced when the oil inside the fuel tank is reduced along with the use, and air cannot be sucked through the tank cover, so that the air pressure inside the fuel tank is reduced all the time, and the fuel tank is damaged.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the fuel tank cover which can simultaneously give consideration to sealing and air inlet and outlet breathing, has the advantage of simultaneously giving consideration to sealing and air inlet and outlet breathing, and solves the problem that air cannot be fed in the using process.

(II) technical scheme

In order to realize the aim of simultaneously realizing sealing and air inlet and outlet breathing, the invention provides the following technical scheme: a fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing comprises a bottom cover, wherein a bottom plate is fixedly arranged at the top end of the bottom cover, an outer frame column is fixedly arranged at the top end of the bottom plate, a partition plate is movably arranged at the top end of the outer frame column, a spiral cover is movably arranged at the top end of the partition plate, a chock block is fixedly arranged at the bottom end of the spiral cover, a spiral plate is fixedly arranged at the top end of the partition plate, a sealing ring is movably arranged at the bottom end of the partition plate, an air inlet groove is formed in the partition plate, an inserting column is movably arranged at the bottom end of the partition plate, an oil inlet is formed in the inserting column, a lantern ring is movably arranged on the outer surface of the inserting column, a plug board is fixedly arranged on the inner side of the lantern ring, a slot is formed in the inserting column, a vent, the movable column is internally provided with a through hole, the top end of the fixing ring is fixedly provided with a compression spring, the sealing plug is internally provided with an air hole, the outer frame column is internally provided with an embedded groove, the inserting column is internally and fixedly provided with a torsion spring, the inserting column is internally and movably provided with an embedded block, and the bottom cover is internally provided with a screw hole.

Preferably, the sealing ring is movably arranged between the outer frame column and the partition plate, a circular groove is formed in the bottom of the outer frame column, the inserting column is movably arranged inside the circular groove, a gap between the outer frame column and the partition plate is sealed through the sealing ring, and the situations of gas leakage, oil leakage and the like are prevented.

Preferably, one end of the air inlet groove is connected with the air vent groove pipe, the other end of the air inlet groove directly leads to the outside of the partition plate, a filter screen is fixedly mounted inside the air inlet groove, outside air is sent into the oil inlet box through the air inlet groove and the air vent groove pipe, and meanwhile the filter screen can play a role in filtering and prevents impurities from entering the oil tank.

Preferably, the picture peg is pegged graft inside the slot, lantern ring movable mounting is on the circular slot top, lantern ring diameter is greater than the circular slot diameter, and when inserting the post and descend and enter into the circular slot in, the lantern ring is jacked up, inserts the post and continues to descend, and the lantern ring reachs the top of inserting the post.

Preferably, the compression spring is fixedly installed between the fixing ring and the sealing plug at the top end, a hole groove leading to the outer surface of the movable column is formed in the outer ring of the through hole, the hole groove is formed in the upper end and the lower end of the through hole, the fixing ring is sleeved outside the lower side hole groove, when the inside of the oil tank is lowered in quantity, the air pressure in the oil tank is lowered, the sealing plug moves downwards under the action of the air pressure, the hole groove in the lower side is leaked, the air in the air vent pipe and the air inlet groove is lowered to the lower side of the sealing plug in the upper end through the air hole of the sealing plug in the upper end, then enters the through hole in the upper end and is discharged from the hole groove in the lower end, and the air in the sealing plug in the lower end enters.

Preferably, one end of the torsion spring is connected with the embedded block, the embedded block is embedded in the embedded groove, and when the lantern ring is jacked up by the outer frame column to ascend, the embedded block is not blocked by the lantern ring any more, so that the embedded block is popped out by the torsion spring to enter the embedded groove.

Preferably, insert post surface and circular slot internal surface and all seted up the screw thread, the screwing up direction of screw thread is opposite with caulking groove most advanced orientation, and when rotatory baffle drove to insert the post and screws up, the abaculus can not lived by the caulking groove separation, can normally rotate, and when the antiport, the abaculus is fixed by the caulking groove, and unable antiport makes and inserts the fixed compacter of post.

Preferably, the screw cap internal surface and the spiral plate surface all set up the screw thread, chock movable mounting is inside the baffle, and chock and baffle laminate each other, blocks up the oil inlet through the screw cap, prevents the oil leak.

Preferably, the sealing plug is movably arranged in the vent groove pipe, the diameter of the sealing plug is the same as that of the vent groove pipe, and the contact surface is smooth, so that the sealing plug can move up and down conveniently.

(III) advantageous effects

Compared with the prior art, the invention provides the fuel tank cover which can simultaneously realize sealing and air inlet and outlet breathing, and has the following beneficial effects:

1. this can compromise simultaneously sealed and breathe in and out gas fuel tank lid, insert into the outline border post through inserting the post in, the rotating barrier with insert the post, insert the post and enter into the circular slot, the lantern ring is jack-up, the abaculus enters into the caulking groove under the effect of torsional spring in, because the most advanced direction of caulking groove is opposite with the direction of screwing up, can continue the rotating barrier, it is fixed tight to insert the post, avoid the oil leak, simultaneously because it is rotatory reverse to be fixed by caulking groove and abaculus, unable reverse rotation is twisted out, make and insert the post and can be more tight real installing in the outline border post, after advancing oil through the oil inlet, rotatory spiral cover seals the oil inlet, prevent the oil leak, reach the purpose of sealed oil tank.

2. This can compromise simultaneously sealed and breathe fuel tank lid of business turn over gas, through when the oil tank in the use, when the oil mass reduces, because sealed in the oil tank, atmospheric pressure descends, the sealing plug moves down under the effect of atmospheric pressure, the pore channel of downside spills, the air in air duct pipe and the air inlet duct descends the downside of upper end sealing plug through the gas pocket of upper end sealing plug, the pore channel of rethread upper end enters into in the through-hole, the pore channel of following the lower extreme discharges, and enter into inside the oil tank through the gas pocket of the sealing plug of lower extreme, thereby increase the atmospheric pressure in the oil tank, make the atmospheric pressure in the oil tank tend to stability, reach the purpose of business turn over gas.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a separator plate according to the present invention;

FIG. 3 is a schematic view of the present invention;

fig. 4 is a cross-sectional view of a closure plug of the present invention;

FIG. 5 is a cross-sectional view of the outer frame post of the present invention;

FIG. 6 is a cross-sectional view of the outer frame post of the present invention;

fig. 7 is a cross-sectional view of a stake of the present invention.

In the figure: 1. a bottom cover; 2. a base plate; 3. an outer frame column; 4. a partition plate; 5. screwing a cover; 6. a chock block; 7. rotating the plate; 8. a seal ring; 9. an air inlet groove; 10. inserting a column; 11. an oil inlet; 12. a collar; 13. inserting plates; 14. a slot; 15. a vent slot tube; 16. a fixing ring; 17. a movable post; 18. a sealing plug; 19. a through hole; 20. a compression spring; 21. air holes; 22. caulking grooves; 23. a torsion spring; 24. and the embedded block 25 and the screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the fuel tank cover capable of simultaneously achieving sealing and air inlet and outlet breathing comprises a bottom cover 1, wherein a bottom plate 2 is fixedly installed at the top end of the bottom cover 1, an outer frame column 3 is fixedly installed at the top end of the bottom plate 2, a partition plate 4 is movably installed at the top end of the outer frame column 3, and a spiral cover 5 is movably installed at the top end of the partition plate 4;

referring to fig. 2 and 3, a chock 6 is fixedly mounted at the bottom end of a screw cap 5, a screw plate 7 is fixedly mounted at the top end of a partition plate 4, a sealing ring 8 is movably mounted at the bottom end of the partition plate 4, the sealing ring 8 is movably mounted between an outer frame column 3 and the partition plate 4, a circular groove is formed at the bottom end of the outer frame column 3, an insert column 10 is movably mounted inside the circular groove, a gap between the outer frame column 3 and the partition plate 4 is sealed by the sealing ring 8 to prevent air leakage and oil leakage, an air inlet groove 9 is formed inside the partition plate 4, an insert column 10 is movably mounted at the bottom end of the partition plate 4, an oil inlet 11 is formed inside the insert column 10, threads are formed on the inner surface of the screw cap 5 and the outer surface of the screw plate 7, the chock 6 is movably mounted inside the partition plate 4, the chock 6 and the partition plate 4 are mutually attached, the oil inlet 11 is blocked, the plug post 10 is internally provided with a slot 14, a plug board 13 is plugged in the slot 14, a lantern ring 12 is movably arranged at the top end of the circular slot, the diameter of the lantern ring 12 is larger than that of the circular slot, when the plug post 10 descends and enters the circular slot, the lantern ring 12 is jacked up, the plug post 10 continues to descend, the lantern ring 12 reaches the top end of the plug post 10, the plug post 10 is internally provided with a vent groove pipe 15, one end of an air inlet groove 9 is connected with the vent groove pipe 15, the other end of the air inlet groove 9 directly leads to the outside of the partition board 4, a filter screen is fixedly arranged inside the air inlet groove 9, outside air is sent into an oil inlet box through the air inlet groove 9 and the vent groove pipe 15, meanwhile, the filter screen can play a role in;

referring to fig. 4, a movable column 17 is movably mounted inside a fixed ring 16, sealing plugs 18 are fixedly mounted at upper and lower ends of the movable column 17, a through hole 19 is formed inside the movable column 17, a compression spring 20 is fixedly mounted at the top end of the fixed ring 16, an air hole 21 is formed inside the sealing plug 18, the compression spring 20 is fixedly mounted between the fixed ring 16 and the sealing plug 18 at the top end, a hole groove leading to the outer surface of the movable column 17 is formed in the outer ring of the through hole 19, the hole groove is formed in the upper and lower ends of the through hole 19, the fixed ring 16 is sleeved outside the lower hole groove, when the inside of the oil tank is lowered to a certain extent, the air pressure inside the oil tank is lowered, the sealing plug 18 moves downward under the action of the air pressure, the hole groove at the lower side leaks, the air inside the air channel tube 15 and the air inlet channel 9 descends to the lower side of the upper, the air enters the oil tank through the air hole 21 of the sealing plug 18 at the lower end, so that the air pressure in the oil tank is increased, the air pressure in the oil tank tends to be stable, the sealing plug 18 is movably arranged in the vent groove pipe 15, the diameter of the sealing plug 18 is the same as that of the vent groove pipe 15, the contact surface is smooth, and the sealing plug 18 can move up and down conveniently;

referring to fig. 5, 6 and 7, an insertion groove 22 is formed in the outer frame column 3, a torsion spring 23 is fixedly installed in the insertion column 10, one end of the torsion spring 23 is connected with the insertion block 24, the insertion block 24 is inserted in the insertion groove 22, when the lantern ring 12 is jacked up by the outer frame column 3 and ascends, the insertion block 24 is no longer blocked by the lantern ring 12, and is ejected by the torsion spring 23 to enter the insertion groove 22, the insertion block 24 is movably installed in the insertion column 10, threads are formed in the outer surface of the insertion column 10 and the inner surface of the circular groove, the screwing direction of the threads is opposite to the tip of the insertion groove 22, when the rotating partition plate 4 drives the insertion column 10 to be screwed, the insertion block 24 is not blocked by the insertion groove 22 and can normally rotate, when the insertion block 24 is fixed by the insertion groove 22 and cannot rotate reversely, so that the insertion column 10 is fixed more tightly, and a screw hole 25 is formed in the bottom cover 1.

The working principle is that after the bottom cover 1 is fixed on the oil tank through screws, the inserting column 10 is inserted into the outer frame column 3, the inserting column 10 and the partition plate 4 are rotated, the inserting column 10 enters the circular groove, the partition plate 4 is jacked up, the inserting plate 13 moves upwards in the inserting groove 14, the inserting block 24 cannot be blocked by the caulking groove 22 and can normally rotate when the inserting column 10 is driven to be screwed by the rotating partition plate 4 due to the screwing direction of threads being opposite to the tip of the caulking groove 22, when the inserting block 24 rotates reversely, the inserting block 24 is fixed by the caulking groove 22 and cannot rotate reversely, so that the inserting column 10 is fixed more tightly, oil is fed into the oil tank through the oil inlet 11, and after the oil enters the vent groove pipe 15, because the through hole 19 of the sealing plug 18 at the lower end is blocked by the fixing ring 16, the oil entering the vent groove pipe 15 compresses the air above, the compressed air blocks the oil from continuously rising, thereby preventing the situation that the oil can leak out from the vent groove pipe 15 during oil feeding, after oil is fed, the oil inlet 11 is sealed by the rotary screw cap 5, oil leakage is prevented, the purpose of sealing the oil tank is achieved, oil in the oil tank continuously descends along with use, the oil in the oil tank is sealed, air pressure descends, the sealing plug 18 moves downwards under the action of air pressure, the hole groove on the lower side is leaked, air in the air vent groove pipe 15 and the air inlet groove 9 descends to the lower side of the upper end sealing plug 18 through the air hole 21 of the upper end sealing plug 18, then enters the through hole 19 through the hole groove on the upper end, the air is discharged from the hole groove on the lower end, and the air enters the oil tank through the air hole 21 of the sealing plug 18 on the lower end, so that the air pressure in the oil tank is increased, the air pressure in the oil tank tends.

In conclusion, according to the fuel tank cover capable of simultaneously achieving sealing and air inlet and outlet breathing, the inserting column 10 is inserted into the outer frame column 3, the partition plate 4 and the inserting column 10 are rotated, the inserting column 10 enters the circular groove, the lantern ring 12 is jacked up, the embedded block 24 enters the embedded groove 22 under the action of the torsion spring 23, the partition plate 4 can be continuously rotated due to the fact that the direction of the tip end of the embedded groove 22 is opposite to the screwing direction, the inserting column 10 is fixed tightly, oil leakage is avoided, meanwhile, the embedded groove 22 and the embedded block 24 are fixed to rotate reversely and cannot be screwed out reversely, the inserting column 10 can be installed in the outer frame column 3 more tightly, after oil is fed through the oil inlet 11, the oil inlet 11 is sealed by the rotary screw cap 5, oil leakage is prevented, and the purpose of sealing the oil tank is achieved; when the oil tank is used, when the oil amount is reduced, the oil tank is sealed, the air pressure is reduced, the sealing plug 18 moves downwards under the action of the air pressure, the hole groove on the lower side is leaked, the air in the vent groove pipe 15 and the air inlet groove 9 is reduced to the lower side of the upper end sealing plug 18 through the air hole 21 of the upper end sealing plug 18, then enters the through hole 19 through the hole groove on the upper end, is discharged from the hole groove on the lower end, and enters the oil tank through the air hole 21 of the lower end sealing plug 18, so that the air pressure in the oil tank is increased, the air pressure in the oil tank tends to be stable, and the purpose of air inlet and outlet is.

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

1. The utility model provides a can compromise simultaneously sealed and breathe in and out gas fuel tank lid, includes bottom (1), its characterized in that: a bottom plate (2) is fixedly installed at the top end of the bottom cover (1), an outer frame column (3) is fixedly installed at the top end of the bottom plate (2), a partition plate (4) is movably installed at the top end of the outer frame column (3), and a rotary cover (5) is movably installed at the top end of the partition plate (4);

the sealing device is characterized in that a plug block (6) is fixedly mounted at the bottom end of the rotary cover (5), a rotary plate (7) is fixedly mounted at the top end of the partition plate (4), a sealing ring (8) is movably mounted at the bottom end of the partition plate (4), an air inlet groove (9) is formed in the partition plate (4), an inserting column (10) is movably mounted at the bottom end of the partition plate (4), an oil inlet (11) is formed in the inserting column (10), a lantern ring (12) is movably mounted on the outer surface of the inserting column (10), an inserting plate (13) is fixedly mounted on the inner side of the lantern ring (12), an inserting groove (14) is formed in the inserting column (10), an air vent groove pipe (15) is formed in the inserting column (10), and a;

a movable column (17) is movably mounted in the fixing ring (16), sealing plugs (18) are fixedly mounted at the upper end and the lower end of the movable column (17), a through hole (19) is formed in the movable column (17), a compression spring (20) is fixedly mounted at the top end of the fixing ring (16), and air holes (21) are formed in the sealing plugs (18);

the utility model discloses a bolt, including outer frame post (3), insert the inside caulking groove (22) of having seted up of post (3), insert the inside fixed mounting of post (10) and have torsional spring (23), insert the inside movable mounting of post (10) and have abaculus (24), screw hole (25) have been seted up to bottom (1) inside.

2. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 1, wherein: sealing ring (8) movable mounting has been seted up between outer frame post (3) and baffle (4), the circular slot has been seted up to outer frame post (3) bottom, insert post (10) movable mounting inside the circular slot.

3. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 1, wherein: one end of the air inlet groove (9) is connected with the air channel pipe (15), the other end of the air inlet groove is directly communicated with the outside of the partition plate (4), and a filter screen is fixedly arranged in the air inlet groove (9).

4. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 2, wherein: the plug board (13) is inserted in the slot (14), the lantern ring (12) is movably mounted at the top end of the circular groove, and the diameter of the lantern ring (12) is larger than that of the circular groove.

5. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 1, wherein: the compression spring (20) is fixedly installed between the fixing ring (16) and the sealing plug (18) at the top end, a hole groove leading to the outer surface of the movable column (17) is formed in the outer ring of the through hole (19), the hole groove is formed in the upper end and the lower end of the through hole (19), and the fixing ring (16) is sleeved outside the lower side hole groove.

6. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 1, wherein: one end of the torsion spring (23) is connected with the embedded block (24), and the embedded block (24) is embedded in the embedded groove (22).

7. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 2, wherein: the outer surface of the inserting column (10) and the inner surface of the circular groove are both provided with threads, and the screwing direction of the threads is opposite to the tip direction of the caulking groove (22).

8. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 1, wherein: the inner surface of the screw cap (5) and the outer surface of the screw plate (7) are both provided with threads, the chock block (6) is movably mounted inside the partition plate (4), and the chock block (6) and the partition plate (4) are mutually attached.

9. The fuel tank cover capable of achieving sealing and air intake and exhaust breathing simultaneously as claimed in claim 1, wherein: the sealing plug (18) is movably arranged in the vent groove pipe (15), the diameter of the sealing plug (18) is the same as that of the vent groove pipe (15), and the contact surface is smooth.