CN205716190U - A kind of plastic tube external member preventing from being molded overlap - Google Patents
A kind of plastic tube external member preventing from being molded overlap Download PDFInfo
- Publication number
- CN205716190U CN205716190U CN201620703104.3U CN201620703104U CN205716190U CN 205716190 U CN205716190 U CN 205716190U CN 201620703104 U CN201620703104 U CN 201620703104U CN 205716190 U CN205716190 U CN 205716190U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- external member
- plastic tube
- tube external
- reinforcement
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This utility model relates to plastic pipe technical field, particularly to a kind of plastic tube external member preventing from being molded overlap.Include the first connecting portion and the second connecting portion, the excircle of described first connecting portion and the second connecting portion tube wall is equidistantly distributed some reinforcements, it is provided with chamfering inside each described reinforcement, inside the opening of described first connecting portion and the second connecting portion, is provided with female thread.This utility model is for the feature of mold parting surface, by changing the contact surface of die joint and pipe fitting, i.e. pipe fitting increases chamfering inside reinforcement, thus change pipe fitting and force way during mold releasability, make to avoid the when of the demoulding generation of burr and overlap, additionally in the outside of each reinforcement, i.e. the side, end near plastic tube external member is provided with the stripping surface of inclination, contributes to the demoulding.The female thread of the opening being arranged on the first connecting portion and the second connecting portion increases connectivity robustness, has simultaneously worked as good sealing effectiveness.
Description
Technical field
This utility model relates to plastic pipe technical field, particularly to a kind of plastic tube external member preventing from being molded overlap.
Background technology
Along with improving constantly of Shooting Technique, increasing technical problem is progressively solved.But pipe fitting injection moulding process
Owing to can divide when each species diversity such as different equipment material technology make a lot of pipe fitting complete to be molded the demoulding in a mold
Leaving burr and overlap at profile, the appearance effects for product is the biggest, it is therefore desirable to the structure of plastic tube external member is carried out skill
Art is improved, to avoid the generation of overlap.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of plastic pipe sleeve preventing from being molded overlap
Part, for the feature of mold parting surface, increases by changing the contact surface of die joint and pipe fitting, i.e. pipe fitting inside reinforcement
Angle, thus change pipe fitting and force way during mold releasability, make to avoid the when of the demoulding generation of burr and overlap.
For solving the problems referred to above, this utility model offer techniques below scheme:
A kind of plastic tube external member preventing from being molded overlap, this plastics external member includes the first connecting portion and the second connecting portion,
The excircle of described first connecting portion and the second connecting portion tube wall is equidistantly distributed some reinforcements, in each described reinforcement
Side is provided with chamfering, is provided with female thread, described plastics inside the opening of described first connecting portion and the second connecting portion
Pipe box part is PP-R material.
Further, each described reinforcement is provided with the stripping surface of inclination near the side, end of plastic tube external member.
Further, the height of described reinforcement is 1/5th of plastic tube external member wall thickness.
Further, described chamfering is equilateral chamfering, and depth of chamfering is 1/8th of reinforcement height.
Further, the middle part of described plastics external member is embedded with the metal insert of circulus.
Beneficial effect: a kind of plastic tube external member preventing from being molded overlap of the present utility model, for the spy of mold parting surface
Point, by changing the contact surface of die joint and pipe fitting, i.e. pipe fitting increases chamfering inside reinforcement, thus changes pipe fitting and mould
The force way during demoulding, makes to avoid the when of the demoulding generation of burr and overlap, additionally in the outside of each reinforcement, i.e. leans on
The side, end of nearly plastic tube external member is provided with the stripping surface of inclination, contributes to the demoulding.It is arranged on the first connecting portion and second
The female thread of the opening of connecting portion increases connectivity robustness, has simultaneously worked as good sealing effectiveness.
Accompanying drawing explanation
Fig. 1 is side view of the present utility model；
Fig. 2 is sectional view of the present utility model；
Fig. 3 is the enlarged diagram in Fig. 2 at A；
Description of reference numerals: the first connecting portion 1, the second connecting portion 2, reinforcement 3, chamfering 4, stripping surface 5, female thread 6, gold
Belong to inserts 7.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:
Seeing shown in Fig. 1 and Fig. 2, a kind of plastic tube external member preventing from being molded overlap, this plastics external member includes first even
Connecing portion 1 and the second connecting portion 2, the excircle of described first connecting portion 1 and the second connecting portion 2 tube wall is equidistantly distributed some adding
Strong muscle 3, is provided with chamfering 4, in the opening of described first connecting portion 1 and the second connecting portion 2 inside each described reinforcement 3
Side is provided with female thread 6, and described plastic tube external member is PP-R material.
It is arranged on the reinforcement 3 outside the first connecting portion 1 and the second connecting portion 2 primarily to increase the two of plastic pipe
The structural strength of individual end, but require height owing to adding the corresponding injection mo(u)lding of numerous reinforcements 3, in order to avoid strengthening
The inner side of muscle 3 produces substantial amounts of injection overlap, the especially inner side at reinforcement 3 and is designed with the chamfering 4 placing overlap generation, this reality
It is 45 degree of chamferings 4 by novel middle chamfering 4, is equally asymmetric chamfering 4.Correspondingly, at this, chamfering 4 can also be fillet.
Each described reinforcement 3 is provided with the stripping surface 5 of inclination near the side, end of plastic tube external member.
While being designed with of stripping surface 5 helps the demoulding, it also avoid the outside that injection mo(u)lding is reinforcement 3 and produce and fly
Limit, i.e. stripping surface 5 are design chamferings 4 outside reinforcement 3.
The height of described reinforcement 3 is 1/5th of plastic tube external member wall thickness.The main purpose of reinforcement 3 is to provide moulds
The structural strength of the end of material pipe box part, therefore the height of reinforcement 3 is difficult to too high, is designed as plastic pipe sleeve through repetition test
/ 5th of part wall thickness are optimal, also avoid reinforcement 3 excessive height to cause material cost to increase simultaneously.
Described chamfering 4 is equilateral chamfering 4, and chamfering 4 degree of depth is 1/8th of reinforcement 3 height.Chamfering 4 is mainly for anti-
Only the generation of overlap, belongs to technique chamfering 4, and therefore chamfering 4 size is not easy to excessive, be designed as reinforcement 3 thickness ten/
1/1 to eight is preferred, and this utility model uses chamfering 4 degree of depth to be reinforcement 3 1/8th highly.
The middle part of described plastics external member is embedded with the metal insert 7 of circulus.This utility model is embedded with metal insert
7, it is used for increasing integrally-built intensity.
It is emphasized that the main merit of the female thread 6 of the opening being arranged on the first connecting portion 1 and the second connecting portion 2
The connectivity robustness of plastic tube external member can be to increase, because the mode connecting typically thermal weld of plastic tube, i.e. by special
The connection end of plastic tube is heated by heating tool, then the end that connects of the plastic tube after heating is inserted into the first of plastic tube external member
In connecting portion 1 or the second connecting portion 2, the outer surface connecting end of plastic tube receives extruding and can be formed melted during insertion
The plastics of state, this pressing body can overstock in the first connecting portion 1 or outside of the second connecting portion 2, be arranged on the first connecting portion 1
Effect with the female thread 6 of the second connecting portion 2 opening is that the filling plastic making molten condition becomes to female thread 6 with female thread 6
It is integrated, increases connectivity robustness, simultaneously worked as good sealing effectiveness.
The above, be only preferred embodiment of the present utility model, not make technical scope of the present utility model
Go out any restriction, thus every according to technical spirit of the present utility model, above example is made any trickle amendment, equivalent
Change and modification, all still fall within the range of the technical solution of the utility model.
Claims (5)
1. one kind prevent be molded overlap plastic tube external member, it is characterised in that: this plastics external member include the first connecting portion (1) and
Second connecting portion (2), the excircle of described first connecting portion (1) and the second connecting portion (2) tube wall is equidistantly distributed some adding
Strong muscle (3), each described reinforcement (3) inner side is provided with chamfering (4), described first connecting portion (1) and the second connecting portion (2)
Opening inside be provided with female thread (6), described plastic tube external member is PP-R material.
A kind of plastic tube external member preventing from being molded overlap the most according to claim 1, it is characterised in that: each described reinforcement
Muscle (3) is provided with the stripping surface (5) of inclination near the side, end of plastic tube external member.
A kind of plastic tube external member preventing from being molded overlap the most according to claim 1, it is characterised in that: described reinforcement
(3) height is 1/5th of plastic tube external member wall thickness.
A kind of plastic tube external member preventing from being molded overlap the most according to claim 3, it is characterised in that: described chamfering (4)
For equilateral chamfering (4), chamfering (4) degree of depth is 1/8th of reinforcement (3) height.
A kind of plastic tube external member preventing from being molded overlap the most according to claim 1, it is characterised in that: described plastics external member
Middle part be embedded with the metal insert (7) of circulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703104.3U CN205716190U (en) | 2016-06-30 | 2016-06-30 | A kind of plastic tube external member preventing from being molded overlap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703104.3U CN205716190U (en) | 2016-06-30 | 2016-06-30 | A kind of plastic tube external member preventing from being molded overlap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205716190U true CN205716190U (en) | 2016-11-23 |
Family
ID=57327337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703104.3U Expired - Fee Related CN205716190U (en) | 2016-06-30 | 2016-06-30 | A kind of plastic tube external member preventing from being molded overlap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205716190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612948A (en) * | 2018-07-16 | 2018-10-02 | 江苏星河集团有限公司 | A kind of electric heating melting pressure resistance bellows component |
| CN112879701A (en) * | 2021-01-08 | 2021-06-01 | 何煜丽 | Hot-melting type metal annular corrugated pipe (spiral corrugated pipe) connecting method |
-
2016
- 2016-06-30 CN CN201620703104.3U patent/CN205716190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612948A (en) * | 2018-07-16 | 2018-10-02 | 江苏星河集团有限公司 | A kind of electric heating melting pressure resistance bellows component |
| CN112879701A (en) * | 2021-01-08 | 2021-06-01 | 何煜丽 | Hot-melting type metal annular corrugated pipe (spiral corrugated pipe) connecting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20210630 |