CN209430934U - A kind of double joint hot melt die sleeves of composite metal-plastic pipe - Google Patents
A kind of double joint hot melt die sleeves of composite metal-plastic pipe Download PDFInfo
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- CN209430934U CN209430934U CN201822169882.0U CN201822169882U CN209430934U CN 209430934 U CN209430934 U CN 209430934U CN 201822169882 U CN201822169882 U CN 201822169882U CN 209430934 U CN209430934 U CN 209430934U
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- Prior art keywords
- composite metal
- plastic pipe
- wall
- hot melt
- double joint
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Abstract
The utility model relates to pipeline connection areas, it is desirable to provide there is the inner ring extended to same direction to melt wall and the molten wall of outer ring for a kind of double joint hot melt die sleeves of the composite metal-plastic pipe heated when accessory for connecting pipe, including die body, one end of the die body；The inner ring melts wall and outer ring melts the annular welded seam for constituting between wall and entering socket joint for composite metal-plastic pipe；It is equipped with stop bit device in the annular welded seam, for preventing the composite metal-plastic pipe from being fully inserted into the annular welded seam.The utility model is due to there is the presence of stop bit device, it can prevent being fully inserted into for composite metal-plastic pipe, it is communicated to set air cavity of leaving a blank in advance in the front end of composite metal-plastic pipe with gas vent, and the direction of gas vent is vertical with the direction of intubation, and part is only sheltered from for intubation, therefore the position that is not only intubated becomes visible controllable, and negative pressure will not occur during plug and owe force phenomenon, and also no pressure variation is influenced with the bad molten tumor generated when hot melt.
Description
Technical field
The utility model relates to pipeline connection areas, and more specifically, when a kind of accessory for connecting pipe heats
Double joint hot melt die sleeves of composite metal-plastic pipe.
Background technique
Use double heat staking connection plastic tube or composite metal-plastic pipe at present (ectonexine is metal for plastics, middle layer)
Have become the known more mature choice of technology.The double hot melt spigot-and-socket pipes generallyd use, refer to the end position in pipe fitting
Equipped in the bell and spigot between internal ring wall and external annulus, plastic tube or composite metal-plastic pipe socket joint are entered into bell and spigot
In, being handled by hot melt can make the inside and outside two sides of plastic tube or composite metal-plastic pipe inside and outside with the socket pipe member respectively
Ring wall is securely fused, to obtain the connection effect that good airproof performance, intensity are big and connection precision is high, in numerous waterproofs, is prevented
Rotten, high pressure occasion is widely used.
To realize that bell and spigot and multiple tube to this structure carry out effective hot melt processing, Chinese patent " double hot melt aluminium
Alloy heats die head " patent No.: CN201020142459.2) disclose a kind of double hot melt die heads, the inner ring with double-ring
Molten wall and outer ring melt wall for heating multiple tube, and offer exhaust to the other end of tube die in the bottom of cyclic annular welded seam
Hole forms elastic force to multiple tube and influences to heat effect for avoiding the formation of air seal chamber；Equally " the double thermal weldings of plough groove type
Head " patent number: CN200920313852.0) also disclose a kind of double hot melting connectors, it is that connection is opened up on external annulus
The gas vent or air discharge duct of bell and spigot, the air in hot-melt adhesive paste in bell and spigot can be discharged by gas vent or air discharge duct,
The formation of seal air cavity is avoided, socket joint resistance is reduced, avoids forming bubble at welding position, it is ensured that welding effect.But inventor
It was found that in above-mentioned practice in use, the clogging gas vent of the residue of hot melting plastic or air discharge duct frequent occurrence, to influence plug
The strength of multiple tube and direction are accurately uniform, also be easy to cause part to melt tumor, therefore the progress that stops work of often having to
The cleaning of gas vent or air discharge duct, affects working efficiency.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide one kind without clearing up gas vent, efficiently
Double joint hot melt die sleeves of the quick composite metal-plastic pipe for guaranteeing quality.
To achieve the above object, the offer technical solution of the utility model is as follows:
One end of a kind of double joint hot melt die sleeves of composite metal-plastic pipe, including die body, the die body has to same direction
The inner ring of extension melts wall and outer ring melts wall；The inner ring melts wall and outer ring is melted and constituted between wall for composite metal-plastic pipe entrance
The annular welded seam of socket joint；It is equipped with stop bit device in the annular welded seam, for preventing the composite metal-plastic pipe from being fully inserted into
The annular welded seam.
The stop bit device is end face or the circumference that wall is melted from the outer ring as a further improvement of the utility model,
Inwardly make perforative screw, screw rod or pin in outside；It can be realized to minimum cost using this kind of mode to original double hot melting connectors
Transformation.
The stop bit device is to be located at inner ring to melt on the outside of wall or be located at outer ring as a further improvement of the utility model,
Protrusion surface object on the inside of molten wall；The prominent surface object is single column or hemisphere, to reduce to the greatest extent and tube end
The contact area of wall；These columns or hemisphere can be several, are circumferentially equably arranged.Preferably, the prominent table
There are three face objects, is circumferentially uniformly arranged.
The die body is socketed to form by external mold and interior die combination as a further improvement of the utility model,；Wherein, described
There is external mold outer ring to melt wall, and there is the internal model inner ring to melt wall.The advantages of combining die sleeve is can in any combination, to adapt to difference
Material thickness, and convenient maintenance and replacement.
The outer diameter of the molten wall of the inner ring is inwardly in be gradually expanded from open end deeply as a further improvement of the utility model,
Trend.
Gas vent is offered at the circumference of the molten wall of the outer ring as a further improvement of the utility model,；The exhaust
Hole is communicated with the annular welded seam.
The gas vent is located at the bosom of annular welded seam as a further improvement of the utility model,；When the metal
When plastic composite pipe socket joint enters annular welded seam, the gas vent is blocked by pipe parts.
As a further improvement of the utility model, the gas vent more than one, aperture 5-15mm；Preferably 3, hole
Diameter 6-8mm；It is uniformly distributed on the circumference that the outer ring melts wall.
As a further improvement of the utility model, there are three the gas vents, aperture 6-8mm is circumferentially uniformly set
It sets.
Compared with prior art, the utility model can prevent composite metal-plastic pipe due to there is the presence of stop bit device
It is fully inserted into, is communicated to set air cavity of leaving a blank in advance in the front end of composite metal-plastic pipe with gas vent, and the direction of gas vent
It is vertical with the direction of intubation, and become visible controllable for the position that intubation only shelters from part, therefore is not only intubated, and plug
Negative pressure will not occur in journey and owe force phenomenon, also no pressure variation is influenced with the bad molten tumor generated when hot melt.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the utility model.
Fig. 2 is the structural schematic diagram of second specific embodiment of the utility model.
Fig. 3 is the structural schematic diagram of the utility model third specific embodiment.
Fig. 4 is the structural schematic diagram of the 4th specific embodiment of the utility model.
In figure: 1 die body, 2 inner ring melt wall, 3 outer rings melt wall, 4 annular welded seams, 5 gas vents, 6 prominent surface objects, 7 axial screws
Nail；1-1 external mold, 1-2 internal model, 2-1 slope surface, 2-2 guide surface
Specific embodiment
The technical solution of the utility model is described in more detail in the following with reference to the drawings and specific embodiments.
As shown in figs. 1-4, double joint hot melt die sleeves of the composite metal-plastic pipe of the utility model, die body 1 is by metal material
Material is made, and there is one end the inner ring extended to same direction to melt wall 2 and the molten wall 3 of outer ring；Inner ring melt wall 2 and outer ring melt wall 3 it
Between constitute annular welded seam 4, heated after entering socket joint for composite metal-plastic pipe；The innovation of the utility model is
Stop bit device is set in annular welded seam 4, is not fully inserted composite metal-plastic pipe in annular welded seam 4, metal can be made in this way
No matter the front end of plastic composite pipe plug or heats, all acquirement good result always there are air end.Wall 3 is melted in outer ring
Several gas vents 5 are offered at circumference, gas vent 5 is located at the bosom of annular welded seam 4 and communicates with annular welded seam 4, aperture 5-
15mm, optimal 6-8mm, is circumferentially uniformly arranged；When composite metal-plastic pipe socket joint enters annular welded seam 4, by stop bit device
Limitation, composite metal-plastic pipe can only shelter from portion discharge hole 5, therefore still can see metal modeling from gas vent 5
Expect the position of the insertion end of multiple tube, gas vent 5 also functions to the effect of peephole at this time, it is multiple can to visually inspect metallo-plastic
Close whether pipe is to be inserted into position, and do not have to need as before to be not inserted at part in pipe in advance to mark line and confirm, saves
But the process of this amount line scribing line.
Can be there are many kinds of form as stop bit device, for example melt from outer ring end face (shown in Fig. 4) or the circumference (figure of wall 3
Shown in 2) outside inwardly make perforative screw, screw rod or pin, this mode is convenient for original old double hot melting connectors progress
Transformation；It is also possible to be located at protrusion surface object 6 that is molten 2 outside of wall of inner ring or being located on the inside of the molten wall 3 of outer ring, it can be 1 with die body
Casting forms (as shown in Figure 1, Figure 3) to body one in advance, saves subsequent job step.Prominent surface object 6 is single column
Or hemisphere, two, three are generally set, is circumferentially uniformly arranged, pipe port wall can be blocked.
The outer diameter of the molten wall 2 of inner ring in the utility model is inwardly in that trend, such as open end is gradually expanded from open end deeply
Beginning section be slightly less than the guide surface 2-2 of composite metal-plastic pipe internal diameter, facilitate composite metal-plastic pipe to be oriented to and positioning；It
It is afterwards the slope surface 2-1 gradually expanded outwardly, is gradually interference fitted with the internal diameter of composite metal-plastic pipe, is realized completely tight
It is heated after close fit.
Fig. 3, Fig. 4 are the split type double joint hot melt die sleeves of one kind of the utility model, and die body 1 is by external mold 1-1 and internal model 1-2 group
Conjunction is socketed to form；Wherein, there is external mold 1-1 outer ring to melt wall 3, and there is internal model 1-2 inner ring to melt wall 2；Fig. 3 is in internal model 1-2
Ring melts on the outside of wall 2 the setting protrusion surface object 6 integrally cast in advance, and prominent 6 shape of surface object is bar shape, and quantity three；Fig. 4
It is in the endface of the molten wall 3 of outer ring of external mold 1-1, from outside to inside through the axial screw for screwing in one or more even circumferentials distributions
Nail 7, for preventing being fully inserted into for composite metal-plastic pipe, to guarantee that the front end of pipe retains air end always, and is vented
Observed by hole 5.
Finally, it should be noted that listed above is only four specific embodiments of the utility model.Obviously, this reality
With it is novel can also there are many deformation, it is all done according to structure, feature and principle described in the concept of the patent of the utility model it is equivalent
Or simple change, it is included in the protection scope of the utility model patent.Those skilled in the art can be practical from this
All deformations that novel disclosure is directly exported or associated, are considered as the protection scope of the utility model.
Claims (10)
1. one end of a kind of double joint hot melt die sleeves of composite metal-plastic pipe, including die body (1), the die body (1) has to same
The inner ring that direction extends melts wall (2) and outer ring melts wall (3)；The inner ring melts wall (2) and outer ring is melted and constituted between wall (3) for gold
Belong to the annular welded seam (4) that plastic composite pipe enters socket joint；It is characterized in that, being equipped with stop bit device in the annular welded seam (4), use
The annular welded seam (4) is fully inserted into the prevention composite metal-plastic pipe.
2. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 1, which is characterized in that the stop bit device be from
The outer ring melts the end face of wall (3) or perforative screw, screw rod or pin are inwardly made in the outside of circumference.
3. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 1, which is characterized in that the stop bit device is to set
Protrusion surface object (6) that is on the outside of wall (2) or being located on the inside of outer ring molten wall (3) is melted in inner ring；The prominent surface object (6) is single
A column or hemisphere, quantity are more than one.
4. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 3, which is characterized in that the prominent surface object
(6) it there are three, is circumferentially uniformly arranged.
5. according to claim 1 to double joint hot melt die sleeves of composite metal-plastic pipe described in any one of 4, which is characterized in that described
Die body (1) is socketed to form by external mold (1-1) and internal model (1-2) combination；Wherein, there is the external mold (1-1) outer ring to melt wall (3),
There is the internal model (1-2) inner ring to melt wall (2).
6. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 5, which is characterized in that the inner ring melts wall (2)
Outer diameter from open end inwardly deeply in trend is gradually expanded.
7. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 5, which is characterized in that the outer ring melts wall (3)
Circumference at offer gas vent (5)；The gas vent (5) communicates with the annular welded seam (4).
8. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 7, which is characterized in that gas vent (5) position
In the bosom of annular welded seam (4)；When the composite metal-plastic pipe socket joint enters annular welded seam (4), gas vent (5) quilt
Pipe parts are blocked.
9. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 8, which is characterized in that the gas vent (5) one
More than a, aperture 5-15mm is uniformly distributed on the circumference that the outer ring melts wall (3).
10. double joint hot melt die sleeves of composite metal-plastic pipe according to claim 9, which is characterized in that the gas vent (5) has
Three, aperture 6-8mm is circumferentially uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169882.0U CN209430934U (en) | 2018-12-24 | 2018-12-24 | A kind of double joint hot melt die sleeves of composite metal-plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169882.0U CN209430934U (en) | 2018-12-24 | 2018-12-24 | A kind of double joint hot melt die sleeves of composite metal-plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209430934U true CN209430934U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169882.0U Expired - Fee Related CN209430934U (en) | 2018-12-24 | 2018-12-24 | A kind of double joint hot melt die sleeves of composite metal-plastic pipe |
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| CN (1) | CN209430934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248421A (en) * | 2020-09-27 | 2021-01-22 | 安源管道实业股份有限公司 | Steel-plastic composite pipe sealing device with all-directional exhaust function |
-
2018
- 2018-12-24 CN CN201822169882.0U patent/CN209430934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248421A (en) * | 2020-09-27 | 2021-01-22 | 安源管道实业股份有限公司 | Steel-plastic composite pipe sealing device with all-directional exhaust function |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |