CN114312291A - Bent assembly system of lock-cover-free structure - Google Patents
Bent assembly system of lock-cover-free structure Download PDFInfo
- Publication number
- CN114312291A CN114312291A CN202111629308.9A CN202111629308A CN114312291A CN 114312291 A CN114312291 A CN 114312291A CN 202111629308 A CN202111629308 A CN 202111629308A CN 114312291 A CN114312291 A CN 114312291A
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- China
- Prior art keywords
- adapter
- lock
- cover
- flange
- lock support
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000005452 bending Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000008719 thickening Effects 0.000 claims 1
- 238000002788 crimping Methods 0.000 abstract description 5
- 238000000071 blow moulding Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 16
- 229920003023 plastic Polymers 0.000 description 16
- 239000000463 material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Gasket Seals (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to a bending assembly system of a lock-cover-free structure, which comprises a lock support, a lock-cover-free structure, an adapter and a metal ring, wherein the lock support is provided with a lock cover; the non-locking structure is inserted into the adapter, the flange without the locking structure is attached to the upper surface of the upper flange of the adapter, and the metal ring is sleeved on the adapter and is contacted with the lower surface of the upper flange of the adapter; the lock support sleeve is arranged on the structure without the lock cover, and the lock support metal wing plate is bent to wrap the flange without the lock cover structure, the flange at the upper part of the adapter and the metal ring. This technical scheme accords with the low emission limit value through the combined use of axial sealing washer and radial sealing washer, realizes the reliable connection of no lock lid structure and blow molding oil filling pipe, through applying crimping force to the lock support pterygoid lamina, forms convolution, presss from both sides tight becket, adapter upper portion flange and no lock lid structure flange together for the axial sealing washer effectively compresses, and prevents the relative rotation between lock support and the adapter.
Description
Technical Field
The invention belongs to the technical field of fuel tanks, and particularly relates to a bending assembly system without a lock cover structure.
Background
There are two kinds no lock lid structure and plastics oil pipe's connected form in the existing market:
one is that: this is achieved by adjusting the plastic adapter outside the lockless cover. When the welding mode is adopted, the plastic adapter without the lock cover can be adjusted into a welding flange type, and the structure of the head part of the oil filling pipe is adjusted to match the plastic adapter without the lock cover and the oil filling pipe. When the assembly type is adopted, the plastic adapter without the lock cover can be adjusted to adapt to different plastic refueling pipe structures.
The other is as follows: the radial sealing ring is connected with the metal oil filling pipe in a locking mode through a buckle, and the radial sealing ring is sealed with the inner wall of the metal oil filling pipe. The plastic oil filling pipe is mainly sealed by welding and assembling, and the assembly connection is adopted in the current mainstream. When being connected with the plastic oil filling pipe, the lock-cover-free system needs an adapter shell matched with the oil filling pipe, and the adapter shell is compressed and connected with the clamping groove of the plastic oil filling pipe through the metal lock support, and the radial sealing ring and the outer wall of the plastic oil filling pipe are adopted for sealing.
The lock-cover-free structure is connected with the plastic oil filling pipe in a complex manner, the sealing is poor, and the oil leakage phenomenon is easy to occur.
Disclosure of Invention
The invention aims to provide a bending assembly system without a lock cover structure, which aims to solve the problems that the existing lock cover structure is complex in connection with a plastic oil filling pipe and poor in sealing.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A bending assembly system of a lock-cover-free structure comprises a lock support, the lock-cover-free structure, an adapter and a metal ring;
the non-locking cover structure is inserted into the adapter, the flange without the locking cover structure is attached to the upper surface of the upper flange of the adapter, and the metal ring is sleeved on the adapter and is in contact with the lower surface of the upper flange of the adapter;
the lock support sleeve is arranged on the lock cover-free structure, and the lock support metal wing plate is bent to wrap the lock cover-free structure flange, the adapter upper flange and the metal ring.
Preferably, at least one circle of radial groove-shaped protrusions are arranged on the outer side wall of the non-locking structure, the radial groove-shaped protrusions are located below the flange of the non-locking structure, and the radial sealing ring is arranged in the radial groove-shaped protrusions.
Preferably, a ring of annular groove is formed in the upper surface of the flange at the upper part of the adapter, and the axial sealing ring is arranged in the annular groove.
Preferably, the lock support comprises a lock support body and a ring cover part integrated with the side surface of the lock support body, the lock support metal wing plate is connected with the lower end surface of the ring cover part to form an integrated structure, and after the assembly is completed, the lock support metal wing plate is respectively bent on the upper surface of the flange without the lock cover structure and the lower surface of the flange on the upper part of the adapter.
Preferably, the adapter comprises an adapter body, an upper flange of the adapter body is arranged on the upper portion of the adapter body, a lower flange of the adapter body is arranged in the middle of the adapter body, the lower end of the adapter is provided with a corrugated pipe, a radial thickened portion is arranged on the adapter body below the upper flange of the adapter, and a radial open slot is formed in the radial thickened portion.
Preferably, the metal ring comprises a metal ring body, a bending part which extends inwards along the radial direction and is bent is arranged on the inner side surface of the metal ring body, and the bending part is matched with the radial opening groove.
The invention has the beneficial effects that:
this technical scheme accords with the low emission limit value through the combined use of axial sealing washer and radial sealing washer, realizes the reliable connection of no lock lid structure and blow molding oil filling pipe, through applying crimping force to the lock support pterygoid lamina, forms convolution, presss from both sides tight becket, adapter upper portion flange and no lock lid structure flange together for the axial sealing washer effectively compresses, and prevents the relative rotation between lock support and the adapter.
Drawings
FIG. 1 is an exploded view of a curved assembly system of the present invention without a locking cap structure;
FIG. 2 is a schematic view of the initial assembly of the bending assembly system without the locking cover structure of the present invention;
FIG. 3 is a schematic structural view of the assembled bending assembly system without the locking cover structure according to the present invention;
FIG. 4 is an axial cross-sectional view of the latch cover free structural flexure assembly system of the present invention;
fig. 5 is an enlarged view of point a of fig. 4.
Description of the reference numerals
1. The locking device comprises a locking support, 2, a non-locking cover structure, 3, a radial sealing ring, 4, an axial sealing ring, 5, an adapter, 6, a metal ring, 7, an adapter upper flange, 8, an adapter lower flange, 9, a corrugated pipe, 10, a metal ring matching structure, 11, a non-locking cover structure flange, 12, a locking support metal wing plate, 13 and an oil filling pipe.
Detailed Description
The technical solutions of the present application are described in detail by the following specific examples, which are only exemplary and can be used for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention is further described in detail by the following specific embodiments in conjunction with the accompanying drawings.
As shown in fig. 1, the present application provides a lock-cover-free structure bending assembly system, which includes a lock support 1, a lock-cover-free structure 2, an adapter 5, a metal ring 6, a radial seal ring 3, and an axial seal ring 4.
The lock support 1 comprises a lock support body and a ring cover part of which the side surface of the lock support body is of an integrated structure, the inner diameter of the ring cover part is matched with a lock-free cover structure, the lower end surface of the ring cover part is connected with an integrated structure lock support metal wing plate 12, the lock support metal wing plate is arranged at equal intervals along the lower end surface of the ring cover part, and the number is determined as required.
The non-locking cover structure 2 comprises a tubular non-locking cover structure body, a radially extending non-locking cover structure flange and a circle of radial groove-shaped protrusions are sequentially arranged on the surface of the outer side of the non-locking cover structure body from top to bottom, the radial sealing ring 3 is installed in a groove of the radial groove-shaped protrusions, and the non-locking cover structure is made of plastic materials.
An upper adapter flange 7 is arranged on the upper portion of the adapter body, a lower adapter flange 8 is arranged on the lower portion of the adapter body, a ring of annular groove is formed in the upper surface of the upper adapter flange, and an axial sealing ring is arranged in the annular groove.
A circle of radial thickened parts are arranged on the adapter body below the flange on the upper portion of the adapter, a plurality of radial open grooves are formed in the radial thickened parts (the metal ring matching structure 10), and the number of the radial open grooves is matched with the number of the lock supporting metal wing plates.
The metal ring comprises a metal ring body, wherein a bending part which extends inwards along the radial direction and then bends downwards is arranged on the inner side surface of the metal ring body, and the bending part is matched with the radial open slot.
As shown in fig. 2, after the non-locking structure is preassembled with the adapter, the lower surface of the flange of the non-locking structure is in contact with the upper surface of the upper flange of the adapter, and the axial seal ring is clamped between the lower surface of the flange of the non-locking structure and the upper surface of the upper flange of the adapter. Then, the metal ring is pushed upwards from the lower end of the adapter body along the thickened part to be in contact with the lower surface of the flange at the upper part of the adapter, at the moment, the transverse part of the bending part and the metal ring body are in contact with the lower surface of the flange at the upper part of the adapter, the vertical part is positioned in the radial open slot, and after the adapter and the metal ring are connected, the generated curling force uniformly acts on a system and prevents the metal ring from rotating relative to the adapter.
As shown in fig. 3, the lock support is mounted on the non-lock-cover structure, and the lock support metal wing plate is bent inward under the action of the stamping die, so as to wrap the non-lock-cover structure flange, the adapter upper flange and the metal ring.
As shown in FIG. 4, in order to ensure the welding between the oil filling pipe and the adapter, the materials of the oil filling pipe and the adapter are HDPE materials, and the lower flange of the adapter is of a limiting structure and mainly limits the relative position of the adapter 5 and the oil filling pipe 13.
As shown in fig. 5, which is an enlarged view of the detail of the connection, the integral crimping is performed by a crimping force and a reaction force, which force clamps the metal ring, the adapter upper flange and the lockless cap structure flange together, and the axial seal ring is compressed due to the crimping between the parts.
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of by the inventive arts should be included in the scope of the present invention, and therefore, the scope of the present invention should be subject to the scope defined by the claims.
Claims (6)
1. A bending assembly system of a lock-cover-free structure comprises a lock support, the lock-cover-free structure, an adapter and a metal ring;
the structure without the locking cover is inserted into the adapter, the flange without the structure without the locking cover is attached to the upper surface of the upper flange of the adapter, the metal ring is sleeved on the adapter and is contacted with the lower surface of the upper flange of the adapter,
the lock support sleeve is arranged on the lock cover-free structure, and the lock support metal wing plate is bent to wrap the lock cover-free structure flange, the adapter upper flange and the metal ring.
2. The lock-cover-free structural bending assembly system according to claim 1, wherein at least one circle of radial groove-shaped protrusions are arranged on the outer side wall of the lock-cover-free structure, the radial groove-shaped protrusions are located below the lock-cover-free structural flange, and the radial sealing ring is arranged in the radial groove-shaped protrusions.
3. The latch-cover-less structural bend assembly system of claim 1, wherein a ring of annular grooves are provided in the upper surface of the adapter upper flange, and the axial seal ring is disposed in the annular grooves.
4. The bending assembly system of claim 1, wherein the lock support comprises a lock support body and a ring cover portion integrally formed with a side surface of the lock support body, the lock support metal wing plate is integrally connected with a lower end surface of the ring cover portion, and after the assembly is completed, the lock support metal wing plate is respectively bent on an upper surface of the flange of the lock-free structure and a lower surface of the upper flange of the adapter.
5. The cover-less structural bend assembly system of claim 1, wherein the adapter comprises an adapter body, an upper adapter flange is provided at an upper portion of the adapter body, a lower adapter flange is provided at a middle portion of the adapter body, a bellows is provided at a lower end of the adapter, and a radial thickening portion, on which a radial open groove is provided, is provided on the adapter body below the upper adapter flange.
6. The cover-less structural bending assembly system according to claim 5, wherein the metal ring comprises a metal ring body, and a bending portion extending and bending radially inward is provided on an inner side surface of the metal ring body, and the bending portion is engaged with the radially open groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629308.9A CN114312291B (en) | 2021-12-28 | 2021-12-28 | Bending assembly system of lock cover-free structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629308.9A CN114312291B (en) | 2021-12-28 | 2021-12-28 | Bending assembly system of lock cover-free structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114312291A true CN114312291A (en) | 2022-04-12 |
| CN114312291B CN114312291B (en) | 2024-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111629308.9A Active CN114312291B (en) | 2021-12-28 | 2021-12-28 | Bending assembly system of lock cover-free structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114312291B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6446826B1 (en) * | 1997-02-11 | 2002-09-10 | Stant Manufacturing Inc. | Seal for filler neck closure assembly |
| US20090078336A1 (en) * | 2004-11-15 | 2009-03-26 | Inergy Auto. Systems Research (Societe Anonyme) | Plastic adapter for fuel tank |
| CN110576738A (en) * | 2019-10-15 | 2019-12-17 | 斯丹德汽车系统（苏州）有限公司 | a uncovered oil filler cap for plastics add oil pipe |
| US20200376956A1 (en) * | 2019-05-31 | 2020-12-03 | Stant Usa Corp. | Capless closure for fuel filler pipe |
| CN212406411U (en) * | 2020-04-27 | 2021-01-26 | 浙江瑞泰动力有限公司 | Oil tank cover lock convenient to dismouting is sealed stable |
| CN213705159U (en) * | 2020-09-28 | 2021-07-16 | 江铃汽车股份有限公司 | Novel oil filling pipe assembly |
-
2021
- 2021-12-28 CN CN202111629308.9A patent/CN114312291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6446826B1 (en) * | 1997-02-11 | 2002-09-10 | Stant Manufacturing Inc. | Seal for filler neck closure assembly |
| US20090078336A1 (en) * | 2004-11-15 | 2009-03-26 | Inergy Auto. Systems Research (Societe Anonyme) | Plastic adapter for fuel tank |
| US20200376956A1 (en) * | 2019-05-31 | 2020-12-03 | Stant Usa Corp. | Capless closure for fuel filler pipe |
| CN110576738A (en) * | 2019-10-15 | 2019-12-17 | 斯丹德汽车系统（苏州）有限公司 | a uncovered oil filler cap for plastics add oil pipe |
| CN212406411U (en) * | 2020-04-27 | 2021-01-26 | 浙江瑞泰动力有限公司 | Oil tank cover lock convenient to dismouting is sealed stable |
| CN213705159U (en) * | 2020-09-28 | 2021-07-16 | 江铃汽车股份有限公司 | Novel oil filling pipe assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114312291B (en) | 2024-03-26 |
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