CN205896530U - Hot melt connection structure with coupling is managed to complex - Google Patents
Hot melt connection structure with coupling is managed to complex Download PDFInfo
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- CN205896530U CN205896530U CN201620889961.7U CN201620889961U CN205896530U CN 205896530 U CN205896530 U CN 205896530U CN 201620889961 U CN201620889961 U CN 201620889961U CN 205896530 U CN205896530 U CN 205896530U
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Abstract
The utility model belongs to the technical field of tubular product is made, especially, relate to a hot melt connection structure with coupling is managed to complex. It has solved structural strength subalternation technical problem after the connection that prior art exists. The utility model discloses an include complex pipe and coupling, the complex is managed and is included coaxially and follow inner plastic pipe, tubular metal resonator and the plastics outer tube that radial from interior to exterior set gradually, the takeover hole have intubate section and the pipe support section that distributes along axial from interior to exterior, and between intubate section and pipe support section formation annular table rank, the treating that the link has and form the 2nd annular table rank between contraction section and contraction section and the plastics outer tube of compound pipe, compound pipe treat that the link inserts the takeover hole time annular table rank and the 2nd annular table rank interfitting and can the butt fusion as an organic whole. Compared with the prior art, the utility model discloses the advantage lies in: connect closely, structural strength is high, is difficult for leaking and splitting, long service life.
Description
Technical field
This utility model belongs to tubing interconnection technique field, the hot-melt adhesive paste knot of more particularly, to a kind of multiple tube and pipe joint
Structure.
Background technology
The connected mode of tubing has in many, and being generally used as transitioning component by pipe fitting mutually will interconnect between pipeline and pipeline
Logical.The mode of most original is direct splicing, is wound fixing by plastic band, and this mode easily causes leak or rupture
Phenomenon.
In order to solve the problems, such as prior art, people have carried out long-term exploration it is proposed that solution miscellaneous
Scheme.For example, Chinese patent literature discloses a kind of method of covering welded seam between plastic pipe fittings, [application number:
200910055665.1], including a step by the first plastic pipe fitting and the second plastic pipe fitting or tubing hot-melt adhesive paste, first
The external diameter of plastic pipe fitting is more than the external diameter of the second plastic pipe fitting or tubing, in the step of hot-melt adhesive paste, by the second plastic pipe fitting
Or tubing connection end insert the first plastic pipe fitting bellmouth and with the first plastic pipe fitting welding, hot-melt adhesive paste step it
Before, a peripherally disposed accommodating chamber in the bellmouth of the first plastic pipe fitting, after the step of hot-melt adhesive paste completes, will
One annular block embeds at the opening of accommodating chamber.
This connected mode is applied to the connection between plastic pipe, but cannot be applied to the company of plastic-metal composite pipe
Connect.The connection of plastic-metal composite pipe of the prior art, generally makes the metal tube of plastic-metal composite pipe be located at pipe joint
Outside, this structure can obviously easily result in that bonding strength reduces, and rupturing easily occurs in tubing.Additionally, the plastics gold of prior art
The connection belonging to multiple tube with pipe joint is not firmly it is easy to seepage, and will also result in adverse effect for water-flowing amount.
Utility model content
The purpose of this utility model is for the problems referred to above, provide the higher multiple tube of structural strength after a kind of connection with
The hot-melting connecting structure of pipe joint.
For reaching above-mentioned purpose, this utility model employs following technical proposal: this multiple tube is connected with the hot melt of pipe joint
Access node structure includes multiple tube and pipe joint, and described multiple tube is included in plastics that are coaxial and radially setting gradually from the inside to the outside
Pipe, metal tube and plastic outer tube, described plastic inner pipe, metal tube and plastic outer tube are connected as a single entity, and described pipe joint is by moulding
Material is made and is had adapter hole it is characterised in that described adapter hole has the intubation section being distributed from the inside to the outside vertically and holds
Pipeline section, the internal diameter being in the charge of section is more than the internal diameter of intubation section, and in intubation section and is in the charge of formation first annular step between section, described
The end to be connected of multiple tube have between contraction section and contraction section and plastic outer tube and form the second ring-shaped step, described first
Ring-shaped step is equal with the height of the second ring-shaped step, and the described external diameter of contraction section is equal with the internal diameter of intubation section, described
The external diameter of multiple tube is equal with the internal diameter being in the charge of section, the first annular step described in during the end insertion adapter hole to be connected of multiple tube
Mutually it coincide with the second ring-shaped step and welding can be integrated, insert the plastic outer tube outer wall of adapter in the hole and be in the charge of a section inwall phase
Mutually contact and energy welding is integrated, contraction section outer wall and intubation section inwall contact with each other and can welding be integrated.In connection procedure,
The adapter in the hole wall of the connection end of multiple tube and pipe joint mutually combines together, not only increases its structural strength, also avoids simultaneously
Leak, and in splicing, metal tube is also simultaneously into the inside of pipe joint, be more to increase its intensity.
In the hot-melting connecting structure with pipe joint for the above-mentioned multiple tube, the inner of described intubation section has the 3rd annular
Step, the equal length of the spacing between described first annular step and the 3rd ring-shaped step and contraction section, the treating of multiple tube
Connection end insert the end face of contraction section described in when adapter in the hole and first annular step are abutted with the second ring-shaped step and
3rd ring-shaped step abuts and can welding be integrated.
In the hot-melting connecting structure with pipe joint for the above-mentioned multiple tube, the height of the 3rd described ring-shaped step is less than
The thickness of contraction section.
It is characterised in that the appearance of described contraction section in the hot-melting connecting structure of above-mentioned multiple tube and pipe joint
Face is less than the plastic outer tube outer surface of multiple tube remainder plastic outer tube external diameter, outer surface of metal pipe, plastic inner pipe for external diameter
Outer surface and external diameter are less than any one in the plastic inner pipe outer surface of multiple tube remainder plastic inner pipe external diameter.
In the hot-melting connecting structure with pipe joint for the above-mentioned multiple tube, described metal tube is passed through by flaky metallic material
The abutment joint that curling docking forms and joint is formed is axially extending along metal tube, and described abutment joint passes through argon arc welding.
In the hot-melting connecting structure with pipe joint for the above-mentioned multiple tube, described plastic inner pipe and plastic outer tube pass through to squeeze
The mode of moulding is respectively formed in inner wall of metal tube and outer wall.
In the hot-melting connecting structure with pipe joint for the above-mentioned multiple tube, the thickness of described plastic outer tube is less than plastics
The 20% of interior tube thickness.
Compared with prior art, this multiple tube and the advantage of the hot-melting connecting structure of pipe joint are: easy to implement, behaviour
Make easy, between multiple tube and pipe joint, solid and reliable connection realized using many places binding site, in conjunction with after metal tube enter
Enter and be in the charge of section, therefore, it is possible to effectively improve structural strength to pipe joint, it is to avoid multiple tube is in multiple tube and pipe joint junction
Fracture occurs.
Brief description
Fig. 1 is that under the hot melt state that this utility model provides, multiple tube and pipe joint mutually splice but section view during non-welding
Figure.
Fig. 2 is the pipe joint sectional view that this utility model provides.
Fig. 3 is the sectional view of multiple tube in example IV.
Fig. 4 is the sectional view of multiple tube in embodiment three.
Fig. 5 is the sectional view of multiple tube in embodiment two.
Fig. 6 is the sectional view of multiple tube in embodiment one.
Fig. 7 is the sectional view after the completion of multiple tube and pipe joint welding.
In figure, multiple tube 1, plastic inner pipe 2, metal tube 3, plastic outer tube 4, pipe joint 5, adapter hole 6, intubation section
7th, it is in the charge of section 8, contraction section 9, first annular step 10, the second ring-shaped step 11, the 3rd ring-shaped step 12.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Embodiment one
The hot-melting connecting structure of a kind of multiple tube and pipe joint, including multiple tube 1 and pipe joint 5, described as Figure 1-3
Multiple tube 1 include plastic inner pipe 2, metal tube 3 and plastic outer tube 4 coaxial and that radially set gradually from the inside to the outside, described
Plastic inner pipe 2, metal tube 3 and plastic outer tube 4 be connected as a single entity, add metal tube 3 can greatly improve in plastic pipe and mould
The intensity of expects pipe, not pliable, it is unlikely to deform, greatly prolong the service life of tubing.Described pipe joint 5 be made of plastics and
There is adapter hole 6, described adapter hole 6 has the intubation section 7 being distributed from the inside to the outside vertically and is in the charge of section 8, is in the charge of the interior of section 8
Footpath is more than the internal diameter of intubation section 7, and in intubation section 7 and is in the charge of between section 8 formation first annular step 10, described multiple tube 1
End to be connected have between contraction section 9 and contraction section 9 and plastic outer tube 4 and form the second ring-shaped step 11, described the first ring
Shape step 10 is equal with the height of the second ring-shaped step 11, and the described external diameter of contraction section 9 is equal with the internal diameter of intubation section 7, institute
The external diameter of multiple tube 1 stated is equal with the internal diameter being in the charge of section 8, first described in during the end insertion adapter hole 6 to be connected of multiple tube 1
Ring-shaped step 10 and the second ring-shaped step 11 mutually coincide and welding can be integrated, insert plastic outer tube 4 outer wall taken in hole 6
Section 8 inwall contacts with each other and energy welding is integrated, contraction section 9 outer wall and intubation section 7 inwall contact with each other and energy welding with being in the charge of
It is integrated.First annular step 10 can abut with the second ring-shaped step 11, in actual connection procedure, first annular
Rank 10 can withstand the second ring-shaped step 11, thus defining that multiple tube 1 inserts the depth of pipe joint 5, also the first ring simultaneously
Shape step 10 and the second ring-shaped step 11 and prevent and be subjected to displacement in connection procedure or loosen and affect the effect being connected.
Further, as shown in Fig. 2 the inner of intubation section 7 has the 3rd ring-shaped step 12, described first annular step
The equal length of 10 and the 3rd spacing between ring-shaped step 12 and contraction section 9, the height of the 3rd ring-shaped step 12 is less than to be received
The thickness of contracting section 9.End to be connected insertion adapter hole 6 interior and first annular step 10 and the second ring-shaped step 11 phase of multiple tube 1
Mutually against when described in the end face of contraction section 9 abut with the 3rd ring-shaped step 12 and energy welding is integrated.At this 3rd
Ring-shaped step 12 serves the effect of the end face accepting contraction section 9, can strengthen the stability connecting further, simultaneously in hot melt
When connecting under state, the plastics at the place of being connected with each other easily are extruded in hot melt and move, and the end face of particularly contraction section 9 pushes
During in adapter hole 6, easily will take over the plastics extruding of the part holt melt state of hole 6 inner side and inwardly elapse, and the 3rd annular
Step 12 can stop these hot melting plastic being extruded, and final the 3rd ring-shaped step 12 be in the end face of contraction section 9 with
And the 3rd ring-shaped step 12 combine together, decrease the gap between the 3rd ring-shaped step 12 and contraction section 9 end face simultaneously, and
Strengthen intensity and the thickness of this junction.
Preferably, metal tube 3 passes through, by flaky metallic material, the abutment joint that curling docking forms and joint is formed
Axially extending along metal tube 3, described abutment joint passes through argon arc welding.Plastic inner pipe 2 and plastic outer tube 4 are by extrusion molding mode
It is respectively formed in metal tube 3 inner and outer wall.And existing technology is both sides will to overlap after curling and weld, this side
Formula easily cause metal tube seam crossing thickness be more than other parts thickness, thus seam crossing formed a part convex
Rise, therefore in practice, each several part easily causing multiple tube is uneven, the problems such as lead to material that crack occurs.Plastics
The thickness of outer tube 4 is less than the 20% of plastic inner pipe 2 thickness.
As shown in fig. 6, in the present embodiment, the outer surface of contraction section 9 is less than outside multiple tube 1 remainder plastics for external diameter
Plastic outer tube 4 outer surface of pipe 4 external diameter.Therefore when actual connection, metal tube 3 stretches into intubation section 7, and plastic outer tube 4 with insert
The inwall of pipeline section 7 mutually merges.
Embodiment two
As shown in figure 5, the present embodiment is similar with the principle of embodiment one, unique difference is, the appearance of contraction section 9
Face is metal tube 3 outer surface.The outer wall of metal tube 3 is mutually merged with the inwall of intubation section 7.
Embodiment three
As shown in figure 4, the present embodiment is similar with the principle of embodiment one, unique difference is, the appearance of contraction section 9
Face is plastic inner pipe 2 outer surface.The outer surface of plastic inner pipe 2 is mutually merged with the inwall of intubation section 7.
Example IV
As shown in figure 3, the present embodiment is similar with the principle of embodiment one, unique difference is, the appearance of contraction section 9
Face is less than plastic inner pipe 2 outer surface of multiple tube 1 remainder plastic inner pipe 2 external diameter for external diameter.Plastic inner pipe 2 inside and intubation
The inwall of section 7 mutually merges.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Although more employing multiple tube 1, plastic inner pipe 2, metal tube 3, plastic outer tube 4, pipe joint 5, adapter herein
Hole 6, intubation section 7, it is in the charge of the arts such as section 8, contraction section 9, first annular step 10, the second ring-shaped step 11, the 3rd ring-shaped step 12
Language, but it is not precluded from the probability using other terms.It is used for the purpose of more easily describing and explaining this using these terms
The essence of utility model；It is all contrary with this utility model spirit for being construed as any additional restriction.
Claims (7)
1. the hot-melting connecting structure of a kind of multiple tube and pipe joint, including multiple tube (1) and pipe joint (5), described multiple tube
(1) plastic inner pipe (2), metal tube (3) and plastic outer tube (4) coaxial and that radially set gradually from the inside to the outside are included, described
Plastic inner pipe (2), metal tube (3) and plastic outer tube (4) be connected as a single entity, described pipe joint (5) is made of plastics and has
Adapter hole (6) is it is characterised in that described adapter hole (6) has the intubation section (7) being distributed from the inside to the outside vertically and is in the charge of section
(8) internal diameter, being in the charge of section (8) is more than the internal diameter of intubation section (7), and in intubation section (7) and is in the charge of between section (8) and forms the first ring
Shape step (10), the end to be connected of described multiple tube (1) has between contraction section (9) and contraction section (9) and plastic outer tube (4)
Form the second ring-shaped step (11), described first annular step (10) is equal with the height of the second ring-shaped step (11), described
The external diameter of contraction section (9) equal with the internal diameter of intubation section (7), the described external diameter of multiple tube (1) and the internal diameter being in the charge of section (8)
Equal, first annular step (10) and the second ring-shaped step described in during hole (6) are taken in the end to be connected insertion of multiple tube (1)
(11) mutually it coincide and welding can be integrated, insert plastic outer tube (4) outer wall taking in hole (6) and be in the charge of section (8) inwall phase
Mutually contact and energy welding is integrated, contraction section (9) outer wall and intubation section (7) inwall contact with each other and can welding be integrated.
2. the hot-melting connecting structure of multiple tube according to claim 1 and pipe joint is it is characterised in that described intubation section
(7) the inner has the 3rd ring-shaped step (12), between described first annular step (10) and the 3rd ring-shaped step (12)
Spacing and the equal length of contraction section (9), the end to be connected insertion of multiple tube (1) is taken in hole (6) and first annular step
(10) end face of contraction section (9) described in when being abutted with the second ring-shaped step (11) and the 3rd ring-shaped step (12) are mutually supported
Lean on and can welding be integrated.
3. the hot-melting connecting structure of multiple tube according to claim 2 and pipe joint is it is characterised in that described the 3rd ring
The height of shape step (12) is less than the thickness of contraction section (9).
4. the hot-melting connecting structure of the multiple tube according to claim 1 or 2 or 3 and pipe joint is it is characterised in that described
The outer surface of contraction section (9) is less than plastic outer tube (4) appearance of multiple tube (1) remainder plastic outer tube (4) external diameter for external diameter
Face, metal tube (3) outer surface, plastic inner pipe (2) outer surface and external diameter are less than multiple tube (1) remainder plastic inner pipe (2)
Any one in plastic inner pipe (2) outer surface of external diameter.
5. the hot-melting connecting structure of multiple tube according to claim 4 and pipe joint is it is characterised in that described metal tube
(3) by flaky metallic material pass through curling docking form and abutment joint that joint is formed along metal tube (3) axially extending, institute
The abutment joint stated passes through argon arc welding.
6. the hot-melting connecting structure of multiple tube according to claim 5 and pipe joint is it is characterised in that in described plastics
Pipe (2) and plastic outer tube (4) are respectively formed in metal tube (3) inner and outer wall by extrusion molding mode.
7. the hot-melting connecting structure of multiple tube according to claim 6 and pipe joint is it is characterised in that outside described plastics
The thickness of pipe (4) is less than the 20% of plastic inner pipe (2) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889961.7U CN205896530U (en) | 2016-08-17 | 2016-08-17 | Hot melt connection structure with coupling is managed to complex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889961.7U CN205896530U (en) | 2016-08-17 | 2016-08-17 | Hot melt connection structure with coupling is managed to complex |
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| Publication Number | Publication Date |
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| CN205896530U true CN205896530U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620889961.7U Active CN205896530U (en) | 2016-08-17 | 2016-08-17 | Hot melt connection structure with coupling is managed to complex |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255955A (en) * | 2018-11-30 | 2020-06-09 | 上海英泰塑胶股份有限公司 | High-pressure-resistant injection-molded pipe fitting with embedded reinforced core piece |
-
2016
- 2016-08-17 CN CN201620889961.7U patent/CN205896530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255955A (en) * | 2018-11-30 | 2020-06-09 | 上海英泰塑胶股份有限公司 | High-pressure-resistant injection-molded pipe fitting with embedded reinforced core piece |
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| GR01 | Patent grant |