CN104943535A - Fuel tank sealing guiding cover with lock cylinder structure - Google Patents
Fuel tank sealing guiding cover with lock cylinder structure Download PDFInfo
- Publication number
- CN104943535A CN104943535A CN201510331578.XA CN201510331578A CN104943535A CN 104943535 A CN104943535 A CN 104943535A CN 201510331578 A CN201510331578 A CN 201510331578A CN 104943535 A CN104943535 A CN 104943535A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- fuel tank
- lock core
- shaped
- cover
- 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 30
- 238000007789 sealing Methods 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a fuel tank sealing guiding cover with a lock cylinder structure. The fuel tank sealing guiding cover comprises a casing and an upper cover, wherein the periphery of the casing is provided with an external thread, and the upper cover is assembled on the upper portion of the casing. A valve core module is installed in the casing, an expanded connection end is formed on the upper portion of the casing and provided with a connecting convex buckle hole relatively close to the periphery, a connecting convex buckle extending downwards is formed on the periphery of the upper cover, the upper cover is buckled with the connecting convex buckle hole of the expanded connection end through the connecting convex buckle, and a central cylindrical body is arranged at the center of the top surface of the upper cover. A lock cylinder hole for installing the upper cover lock cylinder is formed axially in the central cylindrical body, handles that are symmetrically connected to the two sides of the central cylindrical body and serve as reinforcing ribs are arranged on the top surface of the upper cover, and a tying chain that can rotate freely around the upper cover is installed on the side edge of the upper cover. The fuel tank sealing guiding cover is novel in conception, graceful in appearance, comfortable in operation touch and good in sealing performance and can meet the assembly requirements of a fuel tank of a vehicle.
Description
Technical field
The present invention relates to a kind of spare and accessory parts of fuel tank of vehicle, refer to that a kind of fuel tank having lock core structure concurrently of joining with fuel tank locking cap seals guide cover especially.
Background technology
Fuel tank of vehicle is mounted in a kind of storage container for splendid attire gasoline or diesel oil on automobile, if gasoline or diesel oil leak outside to run to car load bring major safety risks, the life of even likely entail dangers to automobile driver or passenger time serious, therefore, fuel tank of vehicle sealing property is most important, and automobile fuel tank cover is as the accessory of fuel tank of vehicle, its leak tightness is then even more important, especially the junction of fuel tank locking cap and fuel tank must keep good leak tightness, avoids gasoline or diesel oil to evaporate.
Summary of the invention
Technical matters to be solved by this invention is the present situation for above-mentioned prior art, and provides that to have structure simple, good airproof performance, long service life and good looking appearance, a kind of fuel tank sealing guide cover having lock core structure concurrently that operating handle is comfortable.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of fuel tank sealing guide cover having lock core structure concurrently, comprise outer peripheral face to be shaped with externally threaded shell and to be assemblied in the upper cover of described shell upper, in shell, core assembly is installed, shell upper forms expansion coupling end, this expansion coupling end is shaped with near periphery relatively and connects convex button hole, the periphery of upper cover is formed with the convex button of connection to downward-extension, the connection convex button hole of this upper cover through connecting convex button and expansion coupling end interlocks and is assemblied in shell upper, the end face center of upper cover is shaped with center mast body, the lock core hole for installing cover lock core is axially shaped with in this center mast body, and the end face of upper cover is shaped with the handle that can double as reinforced rib that symmetry is connected to center mast body both sides, the side of upper cover is provided with the tethers that freely can rotate around upper cover.
For optimizing technique scheme, the measure taked also comprises:
Above-mentioned tethers comprises and assembles the ring part closed and the tethers main body be connected with ring part with upper cover turning set, and the ring that the afterbody of tethers main body is shaped with the snap-in installation of car body is buckled.
Valve casing is formed in above-mentioned shell, the axial penetrating valve pocket be shaped with for installing core assembly in this valve casing, the upper port of valve pocket forms multiple button pawl for withholding core assembly, and forms annular locating platform, ring seal boss and lower annular stop platform in valve pocket from top to bottom.
Above-mentioned core assembly comprises the spring seat of honour be fitted in successively in valve pocket, large retracing spring, spring lower seat, packing seal, spool and little retracing spring from top to bottom; Have the bowl shaped structure of oil-through hole centered by the spring seat of honour, the bottom at this spring seat of honour is located with upper annular locating platform and is matched, and the button pawl of valve pocket just fastens the upper edge with the spring seat of honour of bowl shaped structure.
Above-mentioned spring lower seat location is arranged on packing seal, the bottom surface of packing seal seals location in the pressure of the top of large retracing spring with ring seal boss and matches, the center of sealing pad is shaped with guiding oilhole, spool coordinates with the bottom peripheral seal of guiding oilhole, little retracing spring is set on the lower valve rod of spool, upper end and the spool phase apical grafting of this little retracing spring, the lower end of little retracing spring and the spacing apical grafting of lower annular stop platform.
Above-mentioned shell is positioned at above outside thread and is arranged with seal ring, expand the circular orientation chamber that coupling end forms under shed.
Above-mentioned center mast body is equipped with cover of dust, and lock core hole symmetry is shaped with locating notch.
Compared with prior art, shell upper of the present invention forms expansion coupling end, this expansion coupling end is shaped with near periphery relatively and connects convex button hole, the periphery of upper cover is formed with the convex button of connection to downward-extension, the connection convex button hole of this upper cover through connecting convex button and expansion coupling end interlocks and is assemblied in shell upper, the end face center of upper cover is shaped with center mast body, the lock core hole for installing cover lock core is axially shaped with in this center mast body, and the end face of upper cover is shaped with the handle that can double as reinforced rib that symmetry is connected to center mast body both sides, the side of upper cover is provided with the tethers that freely can rotate around upper cover.Tethers of the present invention adopts the design of side, needs the problem dodging tethers rotation, make the present invention more convenient to operate when doing so avoids user operation.Upper cover design of the present invention has lock core hole simultaneously, and lock core hole is used for equipped upper cover lock core, can reach the object of anti-theft locking.The present invention is novel, outward appearance is generous, operating handle is comfortable, and good seal performance, the assembling demand of vehicle fuel tank can be met.
Accompanying drawing explanation
Fig. 1 is that of the present invention bowing sees structural representation;
Fig. 2 be in Fig. 1 A-A to sectional structure chart;
Fig. 3 is the close-up schematic view at Q place in Fig. 2;
Fig. 4 is the close-up schematic view at K place in Fig. 2;
Fig. 5 is the partial schematic diagram of lock core hole of the present invention;
Fig. 6 is perspective view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Fig. 6 is structural representation of the present invention.
Reference numeral is wherein: shell 1, outside thread 1a, expand coupling end 11, connect convex button hole 11a, circular orientation chamber 11b, valve casing 12, button pawl 12a, upper annular locating platform 12b, ring seal boss 12c, lower annular stop platform 12d, upper cover 2, connect convex button 2a, center mast body 21, lock core hole 21a, locating notch 21b, handle 22, core assembly 3, the spring seat of honour 31, large retracing spring 32, spring lower seat 33, packing seal 34, spool 35, little retracing spring 36, tethers 4, ring part 41, tethers main body 42, ring button 43, seal ring 5.
As shown in Figures 1 to 6, a kind of fuel tank sealing guide cover having lock core structure concurrently of the present invention, comprise outer peripheral face be shaped with the shell 1 of outside thread 1a and be assemblied in the upper cover 2 on this shell 1 top, shell 1 can be equipped with the fuel filler pipe helixseal of fuel tank by the outside thread 1a on its side face, core assembly 3 is installed in shell 1, shell 1 top forms and expands coupling end 11, this expansion coupling end 11 is shaped with near periphery place relatively and connects convex button hole 11a, the periphery of upper cover 2 is formed with the connection convex button 2a to downward-extension, the connection convex button hole 11a of this upper cover 2 through connecting convex button 2a and expansion coupling end 11 interlocks and is assemblied in shell 1 top.Can be clearly seen that from Fig. 4 of the present invention, the upper end connecting convex button hole 11a has back-off, back-off be connected after the convex discount detaining 2a lower end matches, can prevent upper cover 2 from automatically deviating from from shell 1.The present invention is shaped with center mast body 21 at the end face center of upper cover 2, the lock core hole 21a for installing cover lock core is axially shaped with in this center mast body 21, and the end face of upper cover 2 is shaped with the handle 22 that can double as reinforced rib that symmetry is connected to center mast body 21 both sides, upper cover 2 of the present invention can pass through lock core hole 21a fit on cover lock core, makes upper cover have the function of anti-theft locking.The side of upper cover 2 is provided with the tethers 4 that freely can rotate around upper cover 2.
Tethers 4 of the present invention comprises and assembles the ring part 41 closed and the tethers main body 42 be connected with ring part with upper cover 2 turning set, and the ring that the afterbody of tethers main body 42 is shaped with the snap-in installation of car body buckles 43.Ring part 41 of the present invention is set with rotating location of upper cover 2, make can be relative between upper cover 2 with ring part 41 rotate freely, ring part 41 can be sheet metal, also can be rubber, tethers main body 42 can be metal chain link, also can be rubber rope class.
In embodiment, the conveniently installation of core assembly 3, valve casing 12 is formed in shell 1, the axial penetrating valve pocket be shaped with for installing core assembly 3 in this valve casing 12, the upper port of valve pocket forms multiple button pawl 12a for withholding core assembly 3, and forms annular locating platform 12b, ring seal boss 12c and lower annular stop platform 12d in valve pocket from top to bottom.
In embodiment, as shown in Figure 3, core assembly 3 comprises the spring seat of honour 31 be fitted in successively in valve pocket, large retracing spring 32, spring lower seat 33, packing seal 34, spool 35 and little retracing spring 36 from top to bottom; Have the bowl shaped structure of oil-through hole centered by the spring seat of honour 31, the bottom at this spring seat of honour 31 is located with upper annular locating platform 12b and is matched, and the button pawl 12a of valve pocket just fastens the upper edge with the spring seat of honour 31 of bowl shaped structure.Spring lower seat 33 location is arranged on packing seal 34, upper end and the spring seat of honour 31 phase apical grafting of large retracing spring 32, the lower end of large retracing spring 32 suppresses spring lower seat 33, the pressure on top surface of large retracing spring 32 passes to packing seal 34 by spring lower seat 33, the bottom surface of packing seal 34 seals location in the pressure of the top of large retracing spring 32 with ring seal boss 12c and matches, the center of sealing pad 34 is shaped with guiding oilhole, spool 35 coordinates with the bottom peripheral seal of guiding oilhole, spool 35 is shaped with upper valve rod, upper valve rod slides with guiding oilhole and matches, upper valve rod is the bar structure with bar shaped oil duct groove, upper valve rod can ensure that spool 35 up-and-down movement is opened or closes the precision of guiding oilhole, guiding oilhole has guiding to spool 35 and correcting effect, little retracing spring 36 is set on the lower valve rod of spool 35, upper end and the spool 35 phase apical grafting of this little retracing spring 36, the lower end of little retracing spring 36 and the spacing apical grafting of lower annular stop platform 12d.
In embodiment, shell 1 is positioned at above outside thread 1a and is arranged with seal ring 5, expand the circular orientation chamber 11b that coupling end 11 forms under shed.After the present invention and fuel tank fuel filler pipe are equipped with, seal ring 5 can strengthen the sealing of fuel tank, prevents fuel leakage, and circular orientation chamber 11b can make the mouth of pipe of fuel filler pipe snap in, and prevents the mouth of pipe of fuel filler pipe from exposing.
In embodiment, center mast body 21 is also equipped with cover of dust, and the effect of cover of dust prevents dust from entering in upper cover lock core, and reduce service life of the present invention, and lock core hole 21a symmetry of the present invention is shaped with locating notch 21b.Locating notch 21b is for prolonging the axially extended bar shaped conduit of lock core hole 21a, and locating notch 21b can prevent whole upper cover lock core from rotating in a circumferential direction in lock core hole 21a.
Advantage of the present invention is:
1, have employed the design concept that novel design combines with human engineering; Thus outward appearance is generous attractive in appearance, operating handle is comfortable.
2, tethers adopts side design, and such user operation avoids tethers and rotates situation about need dodge! Bring to user like this and simple and easyly to operate easily.
3, fuel tank locking cap design tighten 1.1Nm-2.4Nm and open torsion be not more than 2.4Nm; This operating effort range size is moderate, and user's hand is tightened and opened and can not feel operating difficulties.
4, upper cover design has lock core hole, and lock core hole is used for equipped upper cover lock core, can reach the object of anti-theft locking.
Claims (7)
1. one kind has the fuel tank sealing guide cover of lock core structure concurrently, comprise outer peripheral face be shaped with the shell (1) of outside thread (1a) and be assemblied in the upper cover (2) on described shell (1) top, in described shell (1), core assembly (3) is installed, it is characterized in that: described shell (1) top forms and expands coupling end (11), this expansion coupling end (11) is shaped with near periphery relatively and connects convex button hole (11a), the periphery of described upper cover (2) is formed with the convex button of connection (2a) to downward-extension, the connection convex button hole (11a) of this upper cover (2) through connecting convex button (2a) and expansion coupling end (11) interlocks and is assemblied in shell (1) top, the end face center of described upper cover (2) is shaped with center mast body (21), the lock core hole (21a) for installing cover lock core is axially shaped with in this center mast body (21), and the end face of upper cover (2) is shaped with the handle (22) that can double as reinforced rib that symmetry is connected to center mast body (21) both sides, the side of described upper cover (2) is provided with the tethers (4) that freely can rotate around upper cover (2), lock core hole is used for equipped upper cover lock core, can reach anti-theft locking function.
2. a kind of fuel tank sealing guide cover having lock core structure concurrently according to claim 1, it is characterized in that: described tethers (4) comprises and assembles the ring part (41) closed and the tethers main body (42) be connected with ring part with upper cover (2) turning set, the ring that the afterbody of described tethers main body (42) is shaped with the snap-in installation of car body is buckled (43).
3. a kind of fuel tank sealing guide cover having lock core structure concurrently according to claim 2, it is characterized in that: in described shell (1), form valve casing (12), the axial penetrating valve pocket be shaped with for installing core assembly (3) in this valve casing (12), the upper port of described valve pocket forms multiple button pawl (12a) for withholding core assembly (3), and forms annular locating platform (12b), ring seal boss (12c) and lower annular stop platform (12d) in valve pocket from top to bottom.
4. a kind of fuel tank sealing guide cover having lock core structure concurrently according to claim 3, is characterized in that: described core assembly (3) comprises the spring seat of honour (31) be fitted in successively in valve pocket, large retracing spring (32), spring lower seat (33), packing seal (34), spool (35) and little retracing spring (36) from top to bottom; There is centered by the described spring seat of honour (31) bowl shaped structure of oil-through hole, the bottom at this spring seat of honour (31) is located with upper annular locating platform (12b) and is matched, and the button pawl (12a) of valve pocket just fastens the upper edge with the spring seat of honour (31) of bowl shaped structure.
5. a kind of fuel tank sealing guide cover having lock core structure concurrently according to claim 4, it is characterized in that: described spring lower seat (33) location is arranged on packing seal (34), the bottom surface of described packing seal (34) seals location in the pressure of the top of large retracing spring (32) with ring seal boss (12c) and matches, the center of sealing pad (34) is shaped with guiding oilhole, described spool (35) coordinates with the bottom peripheral seal of guiding oilhole, described little retracing spring (36) is set on the lower valve rod of spool (35), upper end and spool (35) the phase apical grafting of this little retracing spring (36), the lower end of little retracing spring (36) and lower annular stop platform (12d) spacing apical grafting.
6. a kind of fuel tank sealing guide cover having lock core structure concurrently according to claim 5, it is characterized in that: described shell (1) is positioned at outside thread (1a) top and is arranged with seal ring (5), described expansion coupling end (11) forms the circular orientation chamber (11b) of under shed.
7. a kind of fuel tank sealing guide cover having lock core structure concurrently according to claim 6, it is characterized in that: described center mast body (21) is equipped with cover of dust, described lock core hole (21a) symmetry is shaped with locating notch (21b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331578.XA CN104943535A (en) | 2015-06-16 | 2015-06-16 | Fuel tank sealing guiding cover with lock cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331578.XA CN104943535A (en) | 2015-06-16 | 2015-06-16 | Fuel tank sealing guiding cover with lock cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104943535A true CN104943535A (en) | 2015-09-30 |
Family
ID=54158796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510331578.XA Withdrawn CN104943535A (en) | 2015-06-16 | 2015-06-16 | Fuel tank sealing guiding cover with lock cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104943535A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427544A (en) * | 2016-09-27 | 2017-02-22 | 宁波舜江汽车部件制造有限公司 | Automobile fuel tank filler cap assembly |
| CN108859745A (en) * | 2018-06-29 | 2018-11-23 | 昌辉汽车电器（黄山）股份公司 | A kind of high sealed lock lid for outomobile oil tank |
-
2015
- 2015-06-16 CN CN201510331578.XA patent/CN104943535A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427544A (en) * | 2016-09-27 | 2017-02-22 | 宁波舜江汽车部件制造有限公司 | Automobile fuel tank filler cap assembly |
| CN108859745A (en) * | 2018-06-29 | 2018-11-23 | 昌辉汽车电器（黄山）股份公司 | A kind of high sealed lock lid for outomobile oil tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150930 |