CN211280635U - External fuel tank cap of heavy motor vehicle - Google Patents
External fuel tank cap of heavy motor vehicle Download PDFInfo
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- CN211280635U CN211280635U CN201921336432.4U CN201921336432U CN211280635U CN 211280635 U CN211280635 U CN 211280635U CN 201921336432 U CN201921336432 U CN 201921336432U CN 211280635 U CN211280635 U CN 211280635U
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- inner cover
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- lock cylinder
- lock
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Abstract
The utility model relates to a fuel tank inlet cap field with internal-combustion engine fuel supply combination specifically is an outside oil tank flap of heavy motor vehicle. The utility model provides an outside oil tank flap of heavy motor vehicle, includes shield (1), enclosing cover (2) and lock core (3), characterized by: the lock core is characterized by further comprising an O-shaped sealing ring (4), a lock core sleeve (5), an inner cover (6), a sealing gasket (7), a clamping jaw (8), a lock tongue (9) and a rivet (10), wherein the inner cover (6), the clamping jaw (8), the lock tongue (9) and the rivet (10) are assembled into a first unit; the core (3), the O-shaped sealing ring (4) and the lock core sleeve (5) are assembled into a second unit, and the second unit and the inner cover (6) of the first unit are assembled into a third unit in a pre-positioning mode; the outer cover (2) is connected to the third unit in a pressing mode through a pressing mechanism, so that the lock cylinder sleeve (5) and the lock cylinder (3) are pressed and fixed up and down. The utility model discloses simple structure, convenient assembling, the leakproofness feature of environmental protection is good.
Description
Technical Field
The utility model relates to a fuel tank inlet cap field with internal-combustion engine fuel supply combination specifically is an outside oil tank flap of heavy motor vehicle.
Background
At present, the fuel tank port cover of a heavy-duty car on the market can only meet the requirements of national emission standards of five countries, and after the national emission standards of six countries are exported, few fuel tank ports can simultaneously meet the requirements of the national emission standards of six countries; in addition, the excessive number of product-attached assembly parts also increases the cost and assembly time of the entire heavy-duty vehicle fuel tank cap, and the mechanism is not optimized to the maximum.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of the prior art, the utility model provides a fuel tank access cover that simple structure, convenient assembling, leakproofness feature are good, the utility model discloses an outside oil tank flap of heavy motor vehicle.
The utility model discloses a following technical scheme reaches the invention purpose:
the utility model provides an outside oil tank flap of heavy motor vehicle, includes shield, enclosing cover and lock core, and the shield lid is outside the lockhole of enclosing cover, and in the lockhole of enclosing cover, characterized by were located to the lock core: also comprises an O-shaped sealing ring, a lock cylinder sleeve, an inner cover, a sealing gasket, a claw, a lock tongue and a rivet,
the spring bolt penetrates through the square folding hole of the clamping jaw to be pre-installed on the clamping jaw, the clamping jaw and the spring bolt pre-installed on the clamping jaw are aligned to a positioning column on the inner cover through a positioning hole on the clamping jaw to be pre-positioned, the clamping jaw and the inner cover are riveted together through a rivet, and the inner cover, the clamping jaw, the spring bolt and the rivet are assembled into a first unit;
an annular groove is formed in the outer side wall of the lock cylinder, an O-shaped sealing ring is assembled in the annular groove of the lock cylinder, the lock cylinder with the O-shaped sealing ring is assembled in a lock cylinder sleeve, the lock cylinder, the O-shaped sealing ring and the lock cylinder sleeve are assembled into a second unit, the second unit is preassembled into a corresponding positioning hole in the inner cover through a positioning column on the lock cylinder sleeve, and the second unit and the inner cover of the first unit are assembled into a third unit in a pre-positioning mode;
with the enclosing cover through pressure equipment mechanism crimping extremely the third unit, make lock core cover and lock core compress tightly fixedly from top to bottom, fill up sealed pad between inner cup and jack catch, all be equipped with abrupt tooth, adjacent two on the outer fringe between these two of enclosing cover and inner cup all at intervals form the caulking groove between the abrupt tooth, every abrupt tooth of enclosing cover inlays in proper order in an caulking groove of inner cup, and every abrupt tooth of corresponding inner cup inlays in proper order in an caulking groove of enclosing cover, prevents to drop and rotate relatively through abrupt tooth and caulking groove are fixed between enclosing cover and the inner cup, and rotatory enclosing cover drives the inner cup rotatory with the meshing through abrupt tooth and caulking groove, and the inner cup drives the jack catch rotation of riveting on the inner cup, and the jack catch is with the tip chucking of outside oil tank sprue to the sealing pad.
The external oil tank port cover of the heavy motor vehicle is characterized in that:
the inner cover is provided with three positioning columns which are evenly distributed around the central axis of the inner cover and three positioning holes which are evenly distributed around the central axis of the inner cover, and the lock cylinder sleeve is provided with three positioning columns which are evenly distributed around the central axis of the lock cylinder sleeve;
the clamping jaw is provided with three positioning holes which are evenly distributed around the central axis of the clamping jaw;
the rivet is three in total, and the central axis of claw and inner cup are coincidence each other, and the rivet is around the shared central axis evenly distributed of back two when riveting claw and inner cup.
The utility model discloses during the use, the cam end design of lock core has an annular groove, is equipped with an O type sealing washer in this annular groove, will be equipped with the lock core assembly of O type sealing washer and assemble lock core to the inner cup in the lock core cover of plastics, and the inner cup passes through O type sealing washer with the lock core and reaches sealed effect, makes the fuel can't permeate the outside to the oil tank flap through the lock core.
Because the assembly positions of the lock core and the lock core sleeve are relatively fixed, a positioning column is designed on the lock core sleeve, and the lock core sleeve with the lock core is assembled to the inner cover through the positioning column, so that the assembly positions of the lock core and the inner cover are kept fixed.
The inner cover is also provided with a positioning column, the inner cover and the clamping jaw are positioned through the positioning column, the inner cover is clamped and riveted together through a rivet, so that the assembly positions of the inner cover and the clamping jaw are fixed, the assembly positions of the lock cylinder and the clamping jaw are always relatively fixed, the clamping jaw is provided with the lock tongue, the lock tongue is connected with the cam of the lock cylinder, the lock cylinder rotates through a key, the lock cylinder drives the lock tongue to stretch through the cam, and the locking and opening functions of the oil tank opening cover are achieved. The outer cover and the inner cover are assembled through press-fitting of a press-fitting mechanism, the outer cover and the inner cover are fixed through the protruding teeth and the caulking grooves in a meshed mode, the outer cover and the inner cover can not rotate relatively, so that the position can be kept relatively fixed, the inner cover is assembled with a sealing gasket, the clamping jaws are driven through the rotating oil tank cover to extrude the external oil tank filling port, the end portion of the external oil tank filling port is extruded to form the sealing gasket, the sealing function is achieved, and fuel in the oil tank can not permeate to.
The utility model discloses outside oil tank flap mechanism is installed at heavy motor vehicle's outside oil tank port from the outside, seals outside oil tank port to oil tank flap mechanism has the lock core system, can realize carrying out the locking and opening the function with the key.
The utility model discloses reduce the attached assembly part of product, reduced the cost and the assemble duration of oil tank flap to improve the leakproofness, made the oil tank flap satisfy six emission standard requirements of the newest country.
The utility model discloses following beneficial effect has:
1. the structure is optimized, and the cost and the assembly time are reduced;
2. the sealing performance is improved, and the requirements of national emission standards are met.
Drawings
FIG. 1 is an assembled view of the present invention from the outside of the fuel tank;
FIG. 2 is an assembly view of the present invention from the inside of the fuel tank;
FIG. 3 is a schematic structural view of the first unit of the present invention after assembly;
FIG. 4 is a schematic view of the third unit of the present invention after assembly;
fig. 5 is an isometric view of the present invention; showing the assembled state of these components shown in figures 1 and 2;
fig. 6 is a schematic cross-sectional view of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
The utility model provides an outside oil tank flap of heavy motor vehicle, includes shield 1, enclosing cover 2, lock core 3, O type sealing washer 4, lock core cover 5, inner cup 6, sealed pad 7, jack catch 8, spring bolt 9 and rivet 10, as shown in fig. 1-6, the concrete structure is:
the dustproof cover 1 is covered outside the lock hole of the outer cover 2, and the lock cylinder 3 is arranged in the lock hole of the outer cover 2;
as shown in fig. 1 and 2: the lock tongue 9 penetrates through the square folding hole of the clamping jaw 8 to be pre-installed on the clamping jaw 8, the clamping jaw 8 and the lock tongue 9 pre-installed on the clamping jaw 8 are aligned to a positioning column on the inner cover 6 through a positioning hole on the clamping jaw 8 to be pre-positioned, the clamping jaw 8 and the inner cover 6 are riveted together by using a rivet 10, and the inner cover 6, the clamping jaw 8, the lock tongue 9 and the rivet 10 are assembled into a first unit; the assembled first unit after riveting is shown in figure 3.
As shown in fig. 1 and 2: an annular groove is formed in the outer side wall of the lock cylinder 3, an O-shaped sealing ring 4 is assembled in the annular groove of the lock cylinder 3, the lock cylinder 3 with the O-shaped sealing ring 4 is assembled in a lock cylinder sleeve 5, the lock cylinder 3, the O-shaped sealing ring 4 and the lock cylinder sleeve 5 are assembled into a second unit, the second unit is preassembled into a corresponding positioning hole in the inner cover 6 through a positioning column on the lock cylinder sleeve 5, and the second unit and the inner cover 6 of the first unit are assembled into a third unit in a pre-positioning mode; the third unit, pre-positioned and assembled together, is shown in fig. 4.
As shown in fig. 1 and 2: the outer cover 2 is pressed and connected to the third unit through a press-fit mechanism, the lock cylinder sleeve 5 and the lock cylinder 3 are pressed and fixed up and down, the sealing gasket 7 is filled between the inner cover 6 and the clamping jaw 8, protruding teeth are arranged on the outer edges of the outer cover 2 and the inner cover 6 at intervals, adjacent protruding teeth form a caulking groove, each protruding tooth of the outer cover 2 is sequentially embedded in one caulking groove of the inner cover 6, each protruding tooth of the corresponding inner cover 6 is sequentially embedded in one caulking groove of the outer cover 2, the outer cover 2 and the inner cover 6 are fixed through the protruding teeth and the caulking grooves to prevent falling and relative rotation, the outer cover 2 is rotated to drive the inner cover 6 to rotate through the meshing of the protruding teeth and the caulking grooves, the inner cover 6 drives the clamping jaw 8 riveted on the inner cover 6 to rotate, and the clamping jaw 8 clamps the end part (not marked in the drawing) of an external oil tank pouring port onto the sealing.
In this embodiment: the inner cover 6 is provided with three positioning columns which are evenly distributed around the central axis of the inner cover 6 and three positioning holes which are evenly distributed around the central axis of the inner cover 6, and the lock cylinder sleeve 5 is provided with three positioning columns which are evenly distributed around the central axis of the lock cylinder sleeve 5;
the clamping jaw 8 is provided with three positioning holes which are evenly distributed around the central axis of the clamping jaw 8;
the rivets 10 are three in number, the central axes of the jaws 8 and the inner cover 6 are coincident with each other, and the rivets 10 are evenly distributed around the common central axes of the jaws 8 and the inner cover 6 when riveting the latter.
The completed assembly of this embodiment is shown in fig. 5 and 6.
The utility model discloses during the use, the cam end design of lock core 3 has an annular groove, is equipped with an O type sealing washer 4 in this annular groove, will be equipped with 3 assembly of lock core to the lock core cover 5 of plastics of O type sealing washer 4 and assemble lock core 3 to inner cup 6, and inner cup 6 reaches sealed effect through O type sealing washer 4 with lock core 3, makes the fuel can't permeate to the outside of oil tank flap through lock core 3.
Because the assembly positions of the lock cylinder 3 and the lock cylinder sleeve 5 are relatively fixed, three positioning columns are designed on the lock cylinder sleeve 5, the lock cylinder sleeve 5 with the lock cylinder 3 is assembled to the inner cover 6 through the positioning columns, and the assembly positions of the lock cylinder 3 and the inner cover 6 are kept fixed.
Also the design has the reference column on inner cup 6, inner cup 6 and jack catch 8 pass through the reference column location, with three rivet 10 with inner cup 6 with clamp 8 riveting together, consequently, the assembly position of inner cup 6 and jack catch 8 is fixed, the assembly position of lock core 3 and jack catch 8 also always relatively fixed like this, the spring bolt is equipped with on jack catch 8, the cam of spring bolt and lock core 3 is connected, through rotatory lock core 3 of key, lock core 3 drives the spring bolt through the cam and stretches out and draws back, the realization makes the locking of oil tank flap and opens the function. Enclosing cover 2 and inner cup 6 are through pressure equipment assembly of pressure equipment mechanism, enclosing cover 2 and inner cup 6 are fixed through abrupt tooth and caulking groove meshing, thereby make enclosing cover 2) and the unable relative rotation holding position relatively fixed of inner cup 6, including the enclosing cover 6 is equipped with sealed pad 7, drive jack catch 8) extrusion outside oil tank filler hole through rotatory oil tank flap, make outside oil tank filler hole tip extrusion seal pad 7, realize sealing function, make the unable infiltration of oil tank internal combustion oil to the oil tank flap outside.
Claims (2)
1. The utility model provides an outside oil tank flap of heavy motor vehicle, includes shield (1), enclosing cover (2) and lock core (3), and shield (1) lid is outside the lockhole of enclosing cover (2), and lock core (3) are located in the lockhole of enclosing cover (2), characterized by: also comprises an O-shaped sealing ring (4), a lock cylinder sleeve (5), an inner cover (6), a sealing gasket (7), a claw (8), a lock tongue (9) and a rivet (10),
the bolt (9) penetrates through the square folding hole of the claw (8) to be pre-installed on the claw (8), the claw (8) and the bolt (9) pre-installed on the claw (8) are aligned to a positioning column on the inner cover (6) through a positioning hole on the claw (8) to be pre-positioned, the claw (8) and the inner cover (6) are riveted together by using a rivet (10), and the inner cover (6), the claw (8), the bolt (9) and the rivet (10) are assembled into a first unit;
an annular groove is formed in the outer side wall of the lock cylinder (3), an O-shaped sealing ring (4) is assembled into the annular groove of the lock cylinder (3), the lock cylinder (3) with the O-shaped sealing ring (4) is assembled into a lock cylinder sleeve (5), the lock cylinder (3), the O-shaped sealing ring (4) and the lock cylinder sleeve (5) are assembled into a second unit, the second unit is preassembled into a corresponding positioning hole in the inner cover (6) through a positioning column on the lock cylinder sleeve (5), and the second unit and the inner cover (6) of the first unit are assembled into a third unit in a pre-positioning mode;
press-fit the enclosing cover (2) to the third unit through the pressure equipment mechanism, make lock core cover (5) and lock core (3) compress tightly fixedly from top to bottom, fill up sealed pad (7) between inner cup (6) and jack catch (8), all be equipped with protruding tooth on the outer fringe between these two of enclosing cover (2) and inner cup (6) at interval, adjacent two form the caulking groove between the protruding tooth, every protruding tooth of enclosing cover (2) inlays in proper order in an caulking groove of inner cup (6), every protruding tooth of corresponding inner cup (6) inlays in proper order in an caulking groove of enclosing cover (2), it prevents to drop and relative rotation through protruding tooth and caulking groove fixed between enclosing cover (2) and inner cup (6), rotatory enclosing cover (2) is rotatory in order to drive (6) through the meshing of protruding tooth and caulking groove, inner cup (6) drive jack catch (8) rotation of riveting on jack catch (6), jack catch (8) are sealed to the tight to the sealed pad (7) with the tip chucking of outside oil tank mouth.
2. An external fuel tank cap for a heavy duty motor vehicle as claimed in claim 1, wherein:
the inner cover (6) is provided with three positioning columns which are evenly distributed around the central axis of the inner cover (6) and three positioning holes which are evenly distributed around the central axis of the inner cover (6), and the lock cylinder sleeve (5) is provided with three positioning columns which are evenly distributed around the central axis of the lock cylinder sleeve (5);
the clamping jaw (8) is provided with three positioning holes which are evenly distributed around the central axis of the clamping jaw (8);
the number of the rivets (10) is three, the central axes of the jaws (8) and the inner cover (6) are overlapped, and the rivets (10) are evenly distributed around the common central axes of the jaws (8) and the inner cover (6) when riveting the jaws (8) and the inner cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336432.4U CN211280635U (en) | 2019-08-18 | 2019-08-18 | External fuel tank cap of heavy motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336432.4U CN211280635U (en) | 2019-08-18 | 2019-08-18 | External fuel tank cap of heavy motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211280635U true CN211280635U (en) | 2020-08-18 |
Family
ID=72032945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921336432.4U Active CN211280635U (en) | 2019-08-18 | 2019-08-18 | External fuel tank cap of heavy motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211280635U (en) |
-
2019
- 2019-08-18 CN CN201921336432.4U patent/CN211280635U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220629 Address after: 130013 No. 899, Changhong Road, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee after: Changchun Huofu automobile lock Co.,Ltd. Address before: 264006 No.9 Wuzhishan Road, Yantai Economic and Technological Development Zone, Yantai City, Shandong Province Patentee before: Yantai Huofu Automobile Lock Co.,Ltd. |