CN213451947U - Fuel tank valve cap body - Google Patents
Fuel tank valve cap body Download PDFInfo
- Publication number
- CN213451947U CN213451947U CN202022581707.XU CN202022581707U CN213451947U CN 213451947 U CN213451947 U CN 213451947U CN 202022581707 U CN202022581707 U CN 202022581707U CN 213451947 U CN213451947 U CN 213451947U
- Authority
- CN
- China
- Prior art keywords
- joint
- cover body
- groove
- oil tank
- injection molding
- 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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- 239000002828 fuel tank Substances 0.000 title claims description 11
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000001746 injection moulding Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 14
- 229920001903 high density polyethylene Polymers 0.000 claims description 12
- 239000004700 high-density polyethylene Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 12
- 229920003023 plastic Polymers 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 29
- 239000000446 fuel Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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- Valve Housings (AREA)
- Closures For Containers (AREA)
Abstract
The utility model discloses an oil tank valve bonnet body, including the lid, follow the circumferencial direction of lid is formed with annular recess of moulding plastics, the recess of moulding plastics is including being located the spread groove of the recess bottom of moulding plastics and being located the fixed slot on upper portion, the spread groove is close to be provided with the bulge loop of outside extension on the lateral wall in the axle center of lid, the go-between is fixed through the technology of moulding plastics in the recess of moulding plastics, the lower part of go-between is full of the spread groove, the upper portion of go-between is located in the fixed slot, and upper portion the lateral surface of go-between with the lateral wall direct contact of fixed slot, upper portion the medial surface of go-between with form the installation space of oil tank valve port between the inside wall of fixed slot, have be provided with the edge on the. The oil tank valve cap body has the advantages of good connecting effect and strong permeation resistance.
Description
Technical Field
The utility model relates to an oil tank valve sealing device technical field especially relates to an oil tank valve bonnet body.
Background
Most of the existing oil tank bodies are made of High Density Polyethylene (HDPE) materials through injection molding, and the High Density Polyethylene (HDPE) is also called low-pressure Polyethylene and is semitransparent with High crystallinity and a certain degree of non-polar surface. Since HDPE has excellent resistance to most domestic and industrial chemicals, separate HDPE material is used as an upper cover for various vent valves for fuel tanks, and is later welded to the fuel tank. However, the HDPE material has poor fuel oil permeation resistance, and cannot meet the requirement of oil tank permeation in the national fuel oil discharge standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem how to provide an oil tank valve bonnet body that the connection effect is good and prevention of seepage permeability can be good.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a kind of fuel tank valve bonnet body, characterized by: the injection molding device comprises a cover body, wherein an annular injection molding groove is formed in the circumferential direction of the cover body, the injection molding groove comprises a connecting groove located at the bottom of the injection molding groove and a fixed groove located at the upper part of the injection molding groove, a convex ring extending outwards is arranged on the side wall, close to the axis of the cover body, of the connecting groove, a connecting ring is fixed in the injection molding groove through an injection molding process, the cover body is made of a polydodecalactam material, and the connecting ring is made of a high-density polyethylene material; the connecting groove is filled with the lower portion of the connecting ring, the upper portion of the connecting ring is located in the fixing groove, the outer side face of the connecting ring on the upper portion is in direct contact with the outer side wall of the fixing groove, an installation space of a valve port of an oil tank valve is formed between the inner side face of the connecting ring on the upper portion and the inner side wall of the fixing groove, a connecting sheet extending along the axial direction of the cover body is arranged on the cover body with the injection molding groove, the connecting sheet extends into the oil tank valve and is detachably connected with the valve port of the oil tank valve, a joint is arranged on one side of the cover body.
The further technical scheme is as follows: a flange is formed adjacent to one end of the cover, the flange extending radially outward of the joint.
The further technical scheme is as follows: follow the equidistant a plurality of non-slip raised that is provided with on the outer wall of joint, just non-slip raised's height increases from outside-in gradually.
The further technical scheme is as follows: and a first reinforcing rib is arranged at the joint of the outer side of the connecting sheet and the cover body.
The further technical scheme is as follows: every be provided with a joint hole with the joint claw looks adaptation on the oil tank valve on the connecting piece, just the inboard of connecting piece be provided with the joint groove that the joint hole is linked together, the joint claw on the oil tank valve passes through the guide effect joint in joint groove if the joint hole.
The further technical scheme is as follows: the connecting pieces are at least two, and the connecting pieces are arranged at equal intervals along the circumferential direction of the cover body.
The further technical scheme is as follows: and second reinforcing ribs are formed on the inner wall of the cover body at equal intervals.
The further technical scheme is as follows: and a sealing ring is arranged on the joint.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the connecting ring of the cover body is filled into the connecting groove through an injection molding process, an installation space of the valve port of the oil tank valve is formed between the inner side surface of the connecting ring at the upper part and the inner side wall of the fixing groove, the valve port of the oil tank valve can be sealed, and the connecting ring made of the HDPE material after hot melting and the valve port of the oil tank valve are good in bonding effect, so that the connecting effect between the connecting ring and the valve port of the oil tank valve is good; the cover body is made of polydodecalactam material with good anti-seepage performance, and fuel is blocked by the cover body when seeping out from the valve port so as to avoid seeping into the surrounding environment, so that the anti-seepage performance is good; and because the spread groove is close to be provided with the bulge loop of outside extension on the lateral wall in the axle center of lid, through the better fixed of bulge loop the go-between can effectually prevent that the go-between from following deviate from in the recess of moulding plastics, it is good to connect the steadiness. In addition, the cover body is connected with the valve port of the oil tank valve in a clamping mode through a connecting sheet, and the cover body is convenient to install or disassemble.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic bottom view of a cover according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the cover body according to the embodiment of the present invention in use;
fig. 3 is a schematic cross-sectional structure diagram of the cover body according to the embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of the cover body of the embodiment of the present invention with the connection ring removed;
FIGS. 5-13 are schematic views of products using the connection structure of the embodiment of the present invention;
wherein: 1. a cover body; 2. injection molding a groove; 2-1, connecting grooves; 2-2, fixing grooves; 3. a convex ring; 4. a connecting ring; 5. connecting sheets; 6. a joint; 7. a flange; 8. anti-skid projections; 9. a first reinforcing rib; 10. a clamping hole; 11. a clamping groove; 12. and a second reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-4, the embodiment of the utility model discloses an oil tank valve cap body, including lid 1, follow the circumferencial direction of lid 1 is formed with annular recess 2 of moulding plastics, the recess 2 of moulding plastics is including being located the fixed slot 2-2 of the connecting groove 2-1 of moulding plastics bottom and being located the upper portion, connecting groove 2-1 is close to be provided with outside extension bulge loop 3 on the lateral wall in the axle center of lid 1, and go-between 4 is fixed through the technology of moulding plastics in the recess 2 of moulding plastics. Preferably, the cover body 1 is made of polydodecalactam material, and the connecting ring 4 is made of high-density polyethylene material; since the cover body 1 and the connection ring 4 are made of different materials, they are manufactured by a two-shot molding process.
Further, the connecting groove 2-1 is filled with the lower portion of the connecting ring 4, the upper portion of the connecting ring 4 is located in the fixing groove 2-2, the outer side surface of the connecting ring 4 on the upper portion is in direct contact with the outer side wall of the fixing groove 2-2, an installation space of a valve port of an oil tank valve is formed between the inner side surface of the connecting ring 4 on the upper portion and the inner side wall of the fixing groove 2-2, a connecting piece 5 extending along the axial direction of the cover body is arranged on the cover body 1 with one surface of the injection molding groove 2, the connecting piece 5 extends into the oil tank valve and is detachably connected with the valve port of the oil tank valve, a joint 6 is arranged on one side of the cover body 1. Furthermore, a sealing ring is arranged on the joint 6 and used for improving the sealing effect.
The connecting ring 4 of the cover body 1 is filled into the injection molding groove 2 through an injection molding process, an installation space of the valve port of the oil tank valve is formed between the inner side surface of the connecting ring 4 at the upper part and the inner side wall of the fixing groove 2-2, the valve port of the oil tank valve can be sealed, and the connecting ring made of HDPE materials after hot melting and the valve port of the oil tank valve are good in bonding effect, so that the connecting effect between the connecting ring and the valve port of the oil tank valve is good; the cover body 1 is made of polydodecalactam material with good anti-seepage performance, and fuel is blocked by the cover body 1 when seeping out from a valve port so as to avoid seeping into the surrounding environment, so that the anti-seepage performance is good; and because the connecting groove 2-1 is close to the side wall of the axle center of the cover body 1 is provided with the convex ring 3 extending outwards, the connecting ring 4 can be better fixed through the convex ring 3, the connecting ring 4 can be effectively prevented from being separated from the injection molding groove, and the connecting stability is good.
Further, as shown in fig. 1 and 2, a flange 7 is formed at an end of the joint 6 near the cover 1, the flange 7 extends outward in a radial direction of the joint 6, and an inner end of a pipeline connected to the joint 6 is limited by the flange 7. In addition, a plurality of anti-skid protrusions 8 are arranged on the outer wall of the joint 6 at equal intervals, the height of each anti-skid protrusion 8 is gradually increased from outside to inside, and the anti-skid protrusions 8 are used for positioning a pipeline connected to the joint 6, so that the pipeline is connected with the joint more firmly. The gas that the fuel in the oil tank volatilizees out the oil tank through connecting 9, and connecting 9 is put through with the carbon tank through communicating pipe for gaseous leading-in carbon tank that volatilizees the fuel.
Further, as shown in fig. 1 and 2, a first reinforcing rib 9 is arranged at the joint between the outer side of the connecting piece 5 and the cover body 1, and the connecting piece 5 can be effectively prevented from deforming in the using process by arranging the first reinforcing rib, so that the reliability of the connection between the cover body and the oil tank valve is improved. In addition, as shown in fig. 1 to 4, each connecting piece 5 is provided with a clamping hole 10 adapted to a clamping claw on the oil tank valve, the inner side of each connecting piece 5 is provided with a clamping groove 11 communicated with the clamping hole 10, and the clamping claw on the oil tank valve is clamped in the clamping hole 10 under the guiding action of the clamping groove 11.
In addition, in order to realize the more stable connection of the cover body and the oil tank valve, at least two connecting pieces 5 are arranged, and the connecting pieces 5 are arranged at equal intervals along the circumferential direction of the cover body. In order to increase the overall strength of the lid body 1, second ribs 12 are formed at equal intervals on the inner wall of the lid body 1.
Fig. 5-13 are schematic structural views of products using the connection structure in the embodiment of the present invention.
Claims (8)
1. A kind of fuel tank valve bonnet body, characterized by: the injection molding device comprises a cover body (1), wherein an annular injection molding groove (2) is formed in the circumferential direction of the cover body (1), the injection molding groove (2) comprises a connecting groove (2-1) located at the bottom of the injection molding groove (2) and a fixing groove (2-2) located at the upper part, a convex ring (3) extending outwards is arranged on the side wall, close to the axis of the cover body (1), of the connecting groove (2-1), a connecting ring (4) is fixed in the injection molding groove (2) through an injection molding process, the cover body (1) is made of a polydodecalactam material, and the connecting ring (4) is made of a high-density polyethylene material; the connecting groove (2-1) is filled with the lower portion of the connecting ring (4), the upper portion of the connecting ring (4) is located in the fixing groove (2-2), the outer side face of the connecting ring (4) on the upper portion is in direct contact with the outer side wall of the fixing groove (2-2), an installation space of a valve port of an oil tank valve is formed between the inner side face of the connecting ring (4) on the upper portion and the inner side wall of the fixing groove (2-2), a connecting piece (5) extending along the axial direction of the cover body is arranged on the cover body (1) with one face of the injection molding groove (2), the connecting piece (5) extends into the oil tank valve and is detachably connected with the valve port of the oil tank valve, a joint (6) is arranged on one side of the cover body (1), and the joint (6.
2. A fuel tank cap body according to claim 1, wherein: a flange (7) is formed at one end of the joint (6) close to the cover body (1), and the flange (7) extends outwards along the radial direction of the joint (6).
3. A fuel tank cap body according to claim 1, wherein: and a plurality of anti-skid protrusions (8) are arranged on the outer wall of the joint (6) at equal intervals, and the heights of the anti-skid protrusions (8) are gradually increased from outside to inside.
4. A fuel tank cap body according to claim 1, wherein: and a first reinforcing rib (9) is arranged at the joint of the outer side of the connecting sheet (5) and the cover body (1).
5. A fuel tank cap body according to claim 1, wherein: every be provided with joint hole (10) with the joint claw looks adaptation on the oil tank valve on connection piece (5), just the inboard of connection piece (5) be provided with joint groove (11) that joint hole (10) are linked together, joint claw on the oil tank valve passes through the guide effect joint of joint groove (11) if joint hole (10).
6. A tank cap body according to any one of claims 1 to 5, wherein: the connecting pieces (5) are at least two, and the connecting pieces (5) are arranged at equal intervals along the circumferential direction of the cover body.
7. A tank cap body according to any one of claims 1 to 5, wherein: second reinforcing ribs (12) are formed on the inner wall of the cover body (1) at equal intervals.
8. A fuel tank cap body according to claim 1, wherein: and a sealing ring is arranged on the joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022581707.XU CN213451947U (en) | 2020-11-10 | 2020-11-10 | Fuel tank valve cap body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022581707.XU CN213451947U (en) | 2020-11-10 | 2020-11-10 | Fuel tank valve cap body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451947U true CN213451947U (en) | 2021-06-15 |
Family
ID=76299796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022581707.XU Active CN213451947U (en) | 2020-11-10 | 2020-11-10 | Fuel tank valve cap body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451947U (en) |
-
2020
- 2020-11-10 CN CN202022581707.XU patent/CN213451947U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |