CN205956629U - Embedded plastics car oil tank joint Assembly and blow needle part - Google Patents
Embedded plastics car oil tank joint Assembly and blow needle part Download PDFInfo
- Publication number
- CN205956629U CN205956629U CN201620529594.XU CN201620529594U CN205956629U CN 205956629 U CN205956629 U CN 205956629U CN 201620529594 U CN201620529594 U CN 201620529594U CN 205956629 U CN205956629 U CN 205956629U
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- China
- Prior art keywords
- fuel tank
- blow needle
- oil tank
- joint
- adapter assembly
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Abstract
The utility model relates to an embedded plastics car oil tank joint Assembly and blow needle part, a serial communication port, joint Assembly is cavity cylinder structure, cavity cylinder structure includes the three -section, and the branch maybe outside pipeline connects, welding melt zone and inside pipeline connect, outside pipeline connects and is used for the tube coupling with oil tank external, period number is in the middle part of joint Assembly in the welding melting, and welds between the oil tank body, inside pipeline connects for with the inside tube coupling of oil tank. This technical scheme realizes auto plastic oil tank joint Assembly or contains the valve body, and pipeline and joint Assembly's the whole shaping of total member embedding has realized very much that this technical scheme can effectively simplify the welding assembly process of plastic fuel tank, reduces HC and discharges in the whole shaping of the embedment of die joint, and the mode that adopts the cold joint simultaneously realizes being connected of pipeline and valve body and joint Assembly, effectively reduce cost.
Description
Technical field
This utility model is related to a kind of plastic fuel tank, relates in particular to a kind of embedded plastic automotive fuel tank connector assembly
And blow needle part and its positioning molding method, belong to fuel tank structure component technology field.
Background technology
For ensure fuel tank of vehicle have good fuel filling, storage, conveying function it is necessary on oil tank body install
Various terminal or valve body, conventional plastic Oiltank structure and forming method are after plastic fuel tank is originally body formed, beat on oil tank wall
Hole, welding and interface part prefabricated component needed for assembling or valve body then by the way of snap joint grafting by being accomplished manually fuel oil
Case inner valve body and the connection of pipeline.There is the antiseepage of commissure destructible plastic fuel tank body interior in above-mentioned Conventional processing methods
Drop ply（EVOH）, easily cause higher HC discharge or fuel leakage occur, internal duct is entered using quick connector mode simultaneously
There is high cost in row interconnection.For effective HC discharge reducing plastic fuel tank, method commonly used in the prior art is to reduce
The number of openings on tank wall and fuel oil HC discharge to external world is reduced, it is done so that can increase using less bore size
Part and the welding difficulty of casing.Manufacture difficulty in order to reduce fuel tank assembly meets the requirement reducing discharge simultaneously, improved
In the utility model patent of technology such as Publication No. CN103358558A, 15 propose oil filler forming method and preparation, and it adopts
Certain moduli tool directly utilizes the external shape of the parison material molding oil filler of fuel tank with complicated moulding process on oil tank body,
Good forming effect, can greatly reduce HC discharge at this for the fuel tank, but this technology exist implement complicated, to of different shapes plus
Hydraulic fluid port or other interface all need to configure particular manufacturing craft, and application cost is higher.For some complex-shaped interfaces or valve body, no
Method straight forming, application surface is narrower, and therefore, a kind of new technical scheme of exigence solves this technical problem.
Utility model content
This utility model is exactly directed to technical problem present in prior art, provides a kind of embedded plastic automotive fuel tank
Adapter assembly and blow needle part, this technical scheme is realized automobile plastic fuel tank connector assembly or is comprised valve body, pipeline and joint
Total member of assembly embeds global formation, especially achieves insert with oil tank body in the global formation of fuel tank die joint, is somebody's turn to do
Technical scheme can effectively simplify the assemble welding technology difficulty in plastic fuel tank production process, contributes to reducing fuel tank HC row
Put, realize the connection of every pipeline of fuel tank and adapter assembly, effective reduces cost simultaneously using the mode of cold joint.
To achieve these goals, the technical solution of the utility model is as follows, embedded plastic automotive fuel tank connector assembly
And blow needle part is it is characterised in that described adapter assembly is hollow cylinder structure, described hollow cylinder structure includes three sections, point
It is not exterior line joint, welding melt zone and internal duct joint, described exterior line joint is used for and fuel tank exterior tube
Road connects, and described welding melt zone is located in the middle part of adapter assembly, welds, described internal duct joint, use and oil tank body between
In being connected with fuel tank internal pipeline.The adapter assembly of this Technical Design is so that adapter assembly is complete with oil tank body faying face
Whole sealing is embedded, realizes good sealing property and higher structural strength；The adapter assembly pre-determined bit side adopting in this technical scheme
Formula, using the special air blow needle device of blowing frock, realizes positioning at die parting line for the adapter assembly.
As a kind of improvement of the present utility model, described exterior line connector exterior pipe joint is internally provided with positioning dress
Put the stability it is ensured that whole part.
As a kind of improvement of the present utility model, described welding melt zone outer surface is provided with projection, described projection
Cross sectional shape is triangle or circular arc, rectangle, trapezoidal；The parison be easy to preferably and melt is attached.
As a kind of improvement of the present utility model, described projection is equidistant arrangement or irregular alignment, according to reality
Border situation is set.
As a kind of improvement of the present utility model, described positioner is set to detent or positioning boss, and this is fixed
Position device could be arranged to detent it can also be provided that positioning boss or other can be with blow needle positioner phase interworking
The structure closed, realizes positioning function and prevents adapter assembly from coming off, this positioner can be boss or groove, but is not limited to
State form, may also be hole, other locating clip compact form such as sawtooth or screw thread.
The blow needle part that a kind of and described adapter assembly matches it is characterised in that positioner is provided with blow needle, with
The realization that cooperates of the positioner of setting utilizes the positioning to described adapter assembly for the blow needle part inside pipe joint, described blows
Positioner on pin is set to annular boss, inlays collision bead, or annular recess.During use, positioner on blow needle with
Positioner on adapter assembly carries out location fit, and it is right to be realized using this structure and adapter assembly interior grooves cooperation tensioner
The positioning of adapter assembly and clamping.
With respect to prior art, advantage of the present utility model is as follows：1）This utility model overall construction design is ingenious, structure
Compact, practical；2）The adapter assembly of this Technical Design is so that adapter assembly and oil tank body faying face complete seal
Embedded, realize good sealing property and higher structural strength；3）The adapter assembly pre-determined bit mode adopting in this technical scheme, profit
With the special air blow needle device of blowing frock, realize positioning at die parting line for the adapter assembly；4）Described in this technical scheme
Forming method, adapter assembly can divide mould seam to realize insert molding in oil tank body, reduces the opening of fuel tank, reduces HC row
Put, adapter assembly and pipeline adopt Cold assembly technology, reduces cost, box house valve body and pipeline total with adapter assembly composition
Become, casing be blow molded complete in a processing step valve body and pipeline is built-in, adapter assembly embedded molding and both
Interconnection.
Brief description
Fig. 1 is the adapter assembly schematic diagram of structure innovation described in the utility model；
Fig. 2 is the air blow needle schematic diagram of structure innovation described in the utility model；
Fig. 3 is fuel tank internal pipeline assembly schematic diagram described in the utility model；
Fig. 4 is embedded forming method preferred embodiment schematic diagram described in the utility model；
Fig. 5 is for adapter assembly and air blow needle in die joint location positioning figure；
Fig. 6 realizes adapter assembly for this utility model and embeds shaping schematic view in die joint with fuel tank；
Fig. 7 is another kind of joint module structure schematic diagram；
Fig. 8 is the blow needle structural representation with Fig. 7 cooperation；
Fig. 9 is another kind of blow needle structural representation；
Figure 10 is Fig. 9 partial enlarged drawing；
In figure：1st, adapter assembly, 11, exterior line joint, 12, welding melt zone, 13, internal duct joint, 2, raised,
3rd, detent, 4, blow needle, 5, annular boss, 6, pipeline assembly, 7, plasticizing parison, 8, gap, 9, mould half module, 31, magnetic
Material, 32, Hall element, 33, electromagnetic component, 35, propel the price of mechanism, 36, gas-guiding structure.
Specific embodiment
In order to deepen to understanding and cognition of the present utility model, new to this practicality with reference to the accompanying drawings and detailed description
Type is further described and introduces.
Embodiment 1：Referring to Fig. 1, embedded plastic automotive fuel tank connector assembly and blow needle part, described adapter assembly 1 is
Hollow cylinder structure, described hollow cylinder structure includes three sections, is exterior line joint 11 respectively, welds melt zone 12 and interior
Portion's pipe joint 13, described exterior line joint is used for being connected with fuel tank exterior line, and described welding melt zone 12 is located at joint
In the middle part of assembly, weld and oil tank body between, described internal duct joint 13, for being connected with fuel tank internal pipeline.This technology
The adapter assembly of conceptual design so that adapter assembly is embedded with oil tank body faying face complete seal, realize good sealing property and
Higher structural strength；The adapter assembly pre-determined bit mode adopting in this technical scheme, is blown using the special air of blowing frock
Needle device, realizes positioning at die parting line for the adapter assembly.
Embodiment 2：Referring to Fig. 1, as a kind of improvement of the present utility model, described exterior line joint 11 exterior line connects
Head is internally provided with positioner it is ensured that the stability of whole part, and described positioner is set to detent 3 or positioning
Boss, this positioner could be arranged to detent it can also be provided that positioning boss or other can with blow needle position dress
Put the structure cooperating.
Embodiment 3：Referring to Fig. 1, as a kind of improvement of the present utility model, described welding melt zone 12 outer surface is arranged
Have raised 2, described raised 2 cross sectional shape is triangle or circular arc, rectangle, trapezoidal；The parison be easy to preferably and melt enters
Row connects.This projection is easy to by means of which, realize close with the melting of oil tank body in oil tank body blowing extrusion process
Envelope connects so that adapter assembly is closely integrally formed with oil tank body, and special which is because adapter assembly is in casing blowing
Forming process is realized embedding sealing with oil tank wall and is connected, and can not consider the HC emission problem of adapter assembly itself and external part
With the welded seal problem of adapter assembly, described projection is equidistant arrangement or irregular alignment, is typically chosen equidistantly
Circular arc annular projection or triangle comparison many, voluntarily selected according to practical situation.Remaining structure and advantage and enforcement
Example 1 is identical.
Embodiment 4：Referring to Fig. 1, Fig. 7, Fig. 8, blow needle positioning preferred embodiment, described joint group described in this utility model
Part embeds magnetic material 31 in joint area, and described blow needle has Hall element 32, electromagnetic component 33, specific implementation process
In, so-called blow needle inserts the blank area of described joint component, when the Hall element 32 on blow needle senses the magnetic of adapter assembly
It is meant that described adapter assembly being properly positioned on position already installed on described blow needle, described electromagnetic component during property material 31
33 energisings, are produced the high-intensity magnetic field being matched with described magnetic material 31, realize the just determination to described adapter assembly for the described blow needle
Position and reliable grip.After fuel tank molding, described electromagnetic component 33 dead electricity, magnetic force eliminates so that blow needle can smoothly exit.
Embodiment 5：Refer to the attached drawing 9, Figure 10, as another embodiment of this utility model, described blow needle is equipped with installation
Groove, propels the price of mechanism 35 and air guide channel 6, propels the price of device 35 in its natural state and is contracted in mounting groove 34, logical inside blow needle
When crossing gases at high pressure, gases at high pressure entered into by gas-guiding structure 36 propel the price of in device 35 so that propel the price of device 35 expand and from
Bulging in mounting groove 34.After gases at high pressure pressure release, due to the effect of its own resilient, propel the price of device and be automatically withdrawn into mounting groove 34
In middle specific implementation process：By positioning tool, described adapter assembly is arranged on described blow needle first, now blow needle is by low
Calm the anger body so that described propel the price of device bulging slightly, the pre-determined bit of the head assembly that achieves a butt joint.Secondly, after mold clamp, blow needle
The internal gases at high pressure that pass through are so that propel the price of the further bulging of device, adapter assembly described in tensioner, the positioning of the head assembly that achieves a butt joint
And clamping.After fuel tank completes molding, air venting in blow needle, swelling device is due to its own resilient effect described peace of retraction automatically
So that blow needle can smoothly exit in tankage.
Embodiment 6：The blow needle part matching referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of and described adapter assembly, blow needle 4
On be provided with positioner, with pipe joint inside setting positioner cooperate realization connect to described using blow needle part
The positioning of head assembly, the positioner on described blow needle is set to annular boss 5 or annular recess.During use, on blow needle
Positioner carries out location fit with the positioner on adapter assembly.
Production method：Referring to Fig. 1-Fig. 6,
1）Blanking, this step includes plastifying parison 7 blanking to the gap in mould 9 half module formation face 8；Mechanical arm or work
Fill the internal duct assembly 6 that 10 clampings carry adapter assembly or valve body,
2）Mould 9 closes, and completes fuel tank preforming blowing,
3）Mould 9 is opened, and internal duct assembly 6 overhead is existed by robot arm described in the utility model or automatic fixture 10
On fuel tank pre-shaping parison, 6 are made to be fixed on inner wall of oil tank；Robot arm described in the utility model or automatic fixture 10 simultaneously
Adapter assembly is delivered to blow air blow needle 4 head, now the boss 5 on blow air blow needle 4 and adapter assembly detent 3
Mutually it is fitted and fixed with, complete to dock positioning and the fixation of head assembly using blow air blow needle 4.Described robot arm or automatic
Frock is separated with the described pipeline assembly comprising adapter assembly, and moves to outside working area, and mould 9 closes again, such as Fig. 5
5）High pressure is blow molded, and blow air blow needle 4 exits, and final molding embeds the hollow box body of adapter assembly；See Fig. 6, should
Technique can be realized automobile plastic fuel tank connector assembly or comprise valve body, and total member of pipeline and adapter assembly embeds overall one-tenth
Type, especially achieves the insert global formation in die joint, and this technical scheme can effectively simplify the welding dress of plastic fuel tank
Allotment of labor's skill, is reduced HC discharge, is realized the connection of pipeline and valve body and adapter assembly simultaneously, effectively reduce into by the way of cold joint
This.
At least one of technical characteristic described in embodiment 2,3,4,5 can also be combined by this utility model with embodiment 1
Form new embodiment.
It should be noted that above-described embodiment, not it is used for limiting protection domain of the present utility model, in above-mentioned technical side
On the basis of case, done equivalents or replacement each fall within this utility model scope of the claimed protection.
Claims (8)
1. a kind of embedded plastic automotive fuel tank connector assembly it is characterised in that described adapter assembly be hollow cylinder structure, institute
State hollow cylinder structure and include three sections, be exterior line joint, welding melt zone and internal duct joint respectively, described outside
Pipe joint is used for being connected with fuel tank exterior line, and described welding melt zone is located in the middle part of adapter assembly, and oil tank body between
Welding, described internal duct joint, for being connected with fuel tank internal pipeline.
2. embedded plastic automotive fuel tank connector assembly according to claim 1 is it is characterised in that described exterior line connects
Head is internally provided with positioner.
3. embedded plastic automotive fuel tank connector assembly according to claim 2 is it is characterised in that described welding melt zone
Projection is provided with outer surface.
4. embedded plastic automotive fuel tank connector assembly according to claim 3 is it is characterised in that described raised section
It is shaped as triangle or circular arc, rectangle, trapezoidal.
5. the embedded plastic automotive fuel tank connector assembly according to claim 3 or 4 is it is characterised in that described projection is
Arrangement or irregular alignment at equal intervals.
6. the embedded plastic automotive fuel tank connector assembly according to claim 3 or 4 is it is characterised in that described positioning fills
Install and be set to detent or positioning boss.
7. the blow needle part that adapter assembly described in a kind of any one with claim 2-5 matches is it is characterised in that set on blow needle
It is equipped with positioner, cooperate realization using the positioning to described adapter assembly for the blow needle part with positioner.
8. blow needle part according to claim 7 it is characterised in that the positioner on described blow needle to be set to ring-type convex
Platform or annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620529594.XU CN205956629U (en) | 2016-06-03 | 2016-06-03 | Embedded plastics car oil tank joint Assembly and blow needle part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620529594.XU CN205956629U (en) | 2016-06-03 | 2016-06-03 | Embedded plastics car oil tank joint Assembly and blow needle part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205956629U true CN205956629U (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620529594.XU Active CN205956629U (en) | 2016-06-03 | 2016-06-03 | Embedded plastics car oil tank joint Assembly and blow needle part |
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| CN (1) | CN205956629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927810A (en) * | 2016-06-03 | 2016-09-07 | 亚普汽车部件股份有限公司 | Embedded plastic automobile oil tank connector module |
-
2016
- 2016-06-03 CN CN201620529594.XU patent/CN205956629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927810A (en) * | 2016-06-03 | 2016-09-07 | 亚普汽车部件股份有限公司 | Embedded plastic automobile oil tank connector module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |