CN209938314U - Prevent turning round disconnected fuel tank lid assembly - Google Patents
Prevent turning round disconnected fuel tank lid assembly Download PDFInfo
- Publication number
- CN209938314U CN209938314U CN201821780906.XU CN201821780906U CN209938314U CN 209938314 U CN209938314 U CN 209938314U CN 201821780906 U CN201821780906 U CN 201821780906U CN 209938314 U CN209938314 U CN 209938314U
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- screw cap
- cover
- cap
- fuel tank
- sealing
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Abstract
The utility model belongs to the technical field of auto-parts, concretely relates to prevent turning round disconnected fuel tank lid assembly, including upper cover, screw cap, location chuck, gasket, buckle, closing plate and negative pressure spring, the upper cover includes fixed connection's capping and lid body, and the screw cap is hollow structure, and the outer wall of screw cap sets up first screw cap draw-in groove and screw cap card angle, sets up the sealing ring in the first screw cap draw-in groove, and the screw cap card angle is triangle-shaped, and the upper right end at screw cap card angle extends outwards and forms card angle gib block. The utility model relates to a rationally, simple structure has set up card angle gib block, and the fuel tank cap is when anticlockwise opening, and the direction of opening on the screw cap card angle can be along the smooth-going roll-off of the screw thread of oil cup mouth, feels steady nature, strikes the rim of a cup when preventing to open, causes the cooperation key fracture of location chuck.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, concretely relates to prevent turning round disconnected fuel tank lid assembly.
Background
The fuel tank cap is a very common automobile accessory, the clamping foot of the thread cap of the traditional fuel tank cap is triangular, when the fuel tank cap is opened anticlockwise, the tip of the triangular clamping angle and the oil cup opening are impacted, the hand feeling is influenced, the inner positioning chuck upright post is easy to damage, and the failure of the fuel tank cap is caused.
SUMMERY OF THE UTILITY MODEL
In order to make up for the not enough of prior art, the utility model provides a prevent turning round disconnected art scheme of fuel tank lid assembly.
The anti-twist fuel tank cover assembly is characterized by comprising an upper cover, a threaded cover, a positioning chuck, a sealing sheet, a buckling plate, a sealing plate and a negative pressure spring, wherein the upper cover comprises a cover surface and a cover body which are fixedly connected, and a plurality of matched wedge-shaped blocks are uniformly arranged on the inner wall of the cover body in a surrounding mode; the screw cap is of a hollow structure, the outer edge of the top of the screw cap is provided with a circle of screw cap snap rings clamped with the matched wedge-shaped block, the outer wall of the screw cap is provided with a first screw cap clamping groove and a screw cap clamping angle, a sealing ring is arranged in the first screw cap clamping groove, the screw cap clamping angle is triangular, the right upper end of the screw cap clamping angle extends outwards to form a clamping angle guide strip, the top of the screw cap is provided with an inward annular screw cap flange, the lower surface of the screw cap flange is provided with an annular screw cap protruding rib, the bottom of the screw cap is provided with a clamping cavity, the pinch plate is clamped in the clamping cavity, the negative pressure spring is arranged on the pinch plate, the negative pressure spring is in blocking connection with the sealing plate, the sealing plate is provided with a sealing sheet; the positioning chuck is arranged between the upper cover and the threaded cover.
The torsion-breaking-prevention fuel tank cover assembly is characterized in that the cover surface is provided with a straight groove protruding upwards, a torsion tube is arranged in the straight groove, and a circle of spline groove is annularly formed in the inner wall of the torsion tube.
The anti-twist fuel tank cover assembly is characterized in that the upper end of the positioning chuck is fixedly connected with two matching keys which are matched and connected with the spline grooves, the edge of the positioning chuck is annularly provided with a plurality of positioning chuck matching blocks, a torsion spring is arranged between the two matching keys, and the lower end of the positioning chuck is clamped on the inner wall of the upper end of the threaded cover.
The torsion-breaking-prevention fuel tank cover assembly is characterized in that the cover body is fixedly connected with a rotating ring.
The anti-twist fuel tank cover assembly is characterized in that the rotating ring is fixedly connected with a stop belt.
The utility model relates to a rationally, simple structure has set up card angle gib block, and the fuel tank cap is when anticlockwise opening, and the direction of opening on the screw cap card angle can be along the smooth-going roll-off of the screw thread of oil cup mouth, feels steady nature, strikes the rim of a cup when preventing to open, causes the cooperation key fracture of location chuck.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention.
In the figure: 1, 100 cover surfaces, 101 cover bodies, 102 linear grooves, 103 torsion tubes, 104 spline grooves, 105 matching wedge-shaped blocks, 2 sealing rings, 3 threaded covers, 300 threaded cover clamping rings, 301 threaded cover clamping angles, 3010 clamping angle guide bars, 302 threaded cover flanges, 303 threaded cover convex ribs, 304 clamping cavities, 4 torsion springs, 5 positioning chucks, 500 matching keys, 501 chuck matching blocks, 6 rotating rings, 7 stop belts, 8 buckling plates, 9 negative pressure springs, 10 sealing plates and 11 sealing plates.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the anti-twist fuel tank cover assembly is characterized by comprising an upper cover 1, a threaded cover 3, a positioning chuck 5, a sealing sheet 10, a buckle plate 8, a sealing plate 11 and a negative pressure spring 9, wherein the upper cover 1 comprises a cover surface 100 and a cover body 101 which are fixedly connected, the cover surface 100 is provided with a straight groove 102 which protrudes upwards, a torsion tube 103 is arranged in the straight groove 102, and a circle of spline grooves 104 are annularly arranged on the inner wall of the torsion tube 103. A plurality of matched wedge-shaped blocks 105 are uniformly arranged on the inner wall of the cover body 101 in a surrounding mode. The cover body 101 is fixedly connected with the rotating ring 6, and the rotating ring 6 is fixedly connected with the stop belt 7. When the fuel tank cap is taken out, the stop belt 7 can be hung on the corresponding position of the automobile, so that the fuel tank cap is prevented from being lost and falling off.
The threaded cover 3 is of a hollow structure, a circle of threaded cover clamping ring 300 clamped with the matched wedge-shaped block 105 is arranged at the outer edge of the top of the threaded cover 3, a first threaded cover clamping groove and a threaded cover clamping corner 301 are arranged on the outer wall of the threaded cover 3, a sealing ring 2 is arranged in the first threaded cover clamping groove, the threaded cover clamping corner 301 is triangular, the right upper end of the threaded cover clamping corner 301 extends outwards to form a clamping corner guide strip 3010, an inward annular threaded cover flange 302 is arranged at the top of the threaded cover 3, an annular threaded cover protruding rib 303 is arranged on the lower surface of the threaded cover flange 302, a clamping cavity 304 is arranged at the bottom of the threaded cover 3, the pinch plate 8 is clamped in the clamping cavity 304, a negative pressure spring 9 is arranged on the pinch plate 8, the negative pressure spring 9 is in blocking connection with the sealing plate 11, a sealing plate 10 is arranged on the sealing plate 11, and the sealing plate; the positioning collet 5 is disposed between the upper cover 1 and the screw cap 3. Wherein, when the fuel tank cap covers the filler pipe opening, mainly rely on sealing ring 2 to realize the fuel tank cap and add the oil pipe between sealed, 2 upper surfaces of sealing ring closely laminate with screw cap 3, and the lower surface closely laminates with the filler pipe opening, has guaranteed the leakproofness. The sealing sheet 10 mainly plays a role in sealing, and under certain pressure, the raised rib 303 of the threaded cap is attached to the sealing surface of the sealing sheet 10 to block the gas circulation inside and outside the fuel tank cap. The sealing plate 11 mainly plays a supporting role, on one hand, supports the sealing piece 10, so that the sealing piece is not deformed, the flatness of the upper sealing surface of the sealing piece 10 is kept, the sealing effect is good, and on the other hand, the sealing plate can support the negative pressure spring 9, can bear the pressure of the negative pressure spring 9, uniformly transmits the pressure of the negative pressure spring 9 to the sealing piece 10, and ensures the sealing effect. The negative pressure spring 9 mainly plays a supporting role and adjusts pressure, the supporting role means that the negative pressure spring 9 supports the sealing sheet 10 and the sealing plate 11, so that the sealing sheet does not work because of shaking and falling off, the adjusting role means that the sealing sheet 10 and the sealing plate 11 are sealed through setting different pressure values of the negative pressure spring 9, the sealing performance of the sealing sheet 10 can be kept within a certain air pressure range, and after the sealing sheet 10 exceeds the set air pressure range, the sealing sheet 10 is not sealed, so that the gas inside and outside the oil tank cover can circulate. The pinch plate 8 mainly plays a role in fixing and supporting, and the pinch plate 8 can support the negative pressure spring 9 after being fixed in the clamping cavity 304 of the threaded cover 3, so that the positions of all the accessories on the pinch plate are fixed; in addition, the pinch plate 8 plays a role in limiting, the consistency of the compression size of the negative pressure spring 9 is guaranteed, the compression force of the negative pressure spring 9 can be stable, and the sealing piece is further guaranteed to be opened under the limited pressure.
The upper end of the positioning chuck 5 is fixedly connected with two matching keys 500 which are matched and connected with the spline grooves 104, a torsion spring 4 is arranged between the two matching keys 500, the matching keys 500 are inserted into the spline grooves 104, and the torsion spring 4 struts the matching keys 500 to enable the matching keys 500 to be tightly matched with the matching keys 500. The lower end of the positioning chuck 5 is clamped on the inner wall of the upper end of the threaded cover 3.
When the oil tank cover is screwed down, the upper cover 1 is screwed down, the torque tube 103 drives the positioning chuck 5 to rotate, the positioning chuck 5 drives the threaded tube 3 to rotate, the threaded cover 3 is connected with the oil filling pipe, and the torque tube 103, the positioning chuck 5 and the torque spring 4 strengthen torque force when the upper cover 1 is screwed down, so that the sealing ring 2 is sealed more tightly.
Claims (5)
1. The anti-twist fuel tank cover assembly is characterized by comprising an upper cover (1), a threaded cover (3), a positioning chuck (5), a sealing sheet (10), a buckle plate (8), a sealing plate (11) and a negative pressure spring (9), wherein the upper cover (1) comprises a cover surface (100) and a cover body (101) which are fixedly connected, and a plurality of matching wedge-shaped blocks (105) are uniformly and annularly arranged on the inner wall of the cover body (101); the screw cap (3) is of a hollow structure, the outer edge of the top of the screw cap (3) is provided with a circle of screw cap snap ring (300) which is clamped with the matched wedge-shaped block (105), the outer wall of the screw cap (3) is provided with a first screw cap clamping groove and a screw cap clamping angle (301), a sealing ring (2) is arranged in the first screw cap clamping groove, the screw cap clamping angle (301) is triangular, the upper right end of the screw cap clamping angle (301) extends outwards to form a clamping angle guide strip (3010), the top of the screw cap (3) is provided with an inward annular screw cap flange (302), the lower surface of the screw cap flange (302) is provided with an annular screw cap convex rib (303), the bottom of the screw cap (3) is provided with a clamping cavity (304), the buckling plate (8) is clamped in the clamping cavity (304), the negative pressure spring (9) is arranged on the buckling plate (8), the negative pressure spring (9) is connected with the sealing plate (11) in a blocking way, the sealing plate (, the sealing piece (10) is blocked and connected with the raised rib (303) of the threaded cover; the positioning chuck (5) is arranged between the upper cover (1) and the threaded cover (3).
2. The anti-twist fuel cap assembly according to claim 1, wherein the cap surface (100) is provided with an upwardly protruding channel (102), the channel (102) is provided with a torsion tube (103), and the inner wall of the torsion tube (103) is provided with a ring of spline grooves (104).
3. The anti-twist fuel tank cover assembly according to claim 2, wherein the upper end of the positioning chuck (5) is fixedly connected with two matching keys (500) which are matched and connected with the spline grooves (104), a torsion spring (4) is arranged between the two matching keys (500), and the lower end of the positioning chuck (5) is clamped on the inner wall of the upper end of the threaded cover (3).
4. The twist-off prevention fuel cap assembly according to claim 1, wherein the cap body (101) is fixedly connected to the rotating ring (6).
5. The twist-off prevention fuel cap assembly according to claim 4, wherein the rotating ring (6) is fixedly connected with a stop belt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780906.XU CN209938314U (en) | 2018-10-31 | 2018-10-31 | Prevent turning round disconnected fuel tank lid assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780906.XU CN209938314U (en) | 2018-10-31 | 2018-10-31 | Prevent turning round disconnected fuel tank lid assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938314U true CN209938314U (en) | 2020-01-14 |
Family
ID=69118248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821780906.XU Active CN209938314U (en) | 2018-10-31 | 2018-10-31 | Prevent turning round disconnected fuel tank lid assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938314U (en) |
-
2018
- 2018-10-31 CN CN201821780906.XU patent/CN209938314U/en active Active
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