CN216643336U - Composite pipe joint for conversion connection - Google Patents
Composite pipe joint for conversion connection Download PDFInfo
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- CN216643336U CN216643336U CN202220145780.9U CN202220145780U CN216643336U CN 216643336 U CN216643336 U CN 216643336U CN 202220145780 U CN202220145780 U CN 202220145780U CN 216643336 U CN216643336 U CN 216643336U
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Abstract
The utility model discloses a composite pipe joint for conversion connection, which comprises a base pipe and a composite pipe, wherein the base pipe and the composite pipe are made of different materials, the composite pipe is sleeved outside or inside one end of the base pipe, and a sealing ring is arranged between the base pipe and the composite pipe. The composite pipe joint is simple in structure, low in cost, time-saving and labor-saving in construction and installation, good in water sealing effect by additionally assembling the sealing ring in a composite mode, and water-tight when used in a water pressure environment. Compared with the prior similar connecting piece, the single-side compounding method is adopted, the die structure is simplified, the production efficiency is improved, and the problems of interface gaps and easy water and air leakage existing between the compounding surfaces are solved by additionally arranging the elastic sealing ring.
Description
Technical Field
The utility model relates to the technical field of pipeline connecting pieces, in particular to a composite pipe joint for conversion connection.
Background
In the fields of water supply and drainage, air supply and exhaust and the like needing to be connected with pipelines, plastic pipelines are commonly used as PP plastic pipes, PE plastic pipes, ABS plastic pipes, PVC plastic pipes and the like, and shell materials of some facilities are also ABS and PVC. The connection between the pipelines is known, ABS (or PVC) pipes can be bonded by using a special glue solvent, and the ABS (or PVC) pipes and the PE pipes can be bonded by using a special glue solvent, or the ABS (or PVC) pipes and the PP pipes can be connected by hot melting by using a heating tool. PE (polypropylene) (PP) pipe and ABS (or PVC) pipe belong to pipes with different properties, the connection between the pipes can not be carried out in a hot melting mode and a bonding mode, at present, flange connection and other modes are adopted, the cost is high, and the construction is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a composite pipe joint for conversion connection. One end of the novel pipe joint is connected with the hot melting pipe fitting in a hot melting mode, the other end of the novel pipe joint is bonded with the peptization pipe fitting, and the defects that the flange connection is high in cost and time and labor are wasted in construction are overcome. Meanwhile, compared with the prior similar connecting piece, the single-side compounding method is adopted, the die structure is simplified, the production efficiency is improved, and the problems of interface gaps and easy water and air leakage existing between the compounding surfaces are solved by additionally arranging the elastic sealing ring.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the composite pipe joint for conversion connection comprises a base pipe and a composite pipe which are made of different materials, wherein the composite pipe is sleeved outside or inside one end of the base pipe, and a sealing ring is arranged between the base pipe and the composite pipe.
Furthermore, a transition table is arranged between the part of the base pipe sleeved with the composite pipe and the part of the base pipe not sleeved with the composite pipe, and one end of the composite pipe is abutted against the transition table.
Furthermore, the outer side of one end of the basic pipe is sleeved with the composite pipe, the outer circumferential surface of the part of the basic pipe sleeved with the composite pipe is provided with a groove and a boss, and the inner circumferential surface corresponding to the composite pipe is provided with a boss and a groove which are matched with the groove and the boss on the outer circumferential surface of the basic pipe; the inner side of one end of the basic pipe is sleeved with the composite pipe, the inner circumferential surface of the part of the basic pipe sleeved with the composite pipe is provided with a groove and a boss, and the outer circumferential surface corresponding to the composite pipe is provided with a boss and a groove matched with the groove and the boss on the inner circumferential surface of the basic pipe.
Furthermore, a composite pipe is sleeved on the outer side of the base pipe, a sealing ring is sleeved on the base pipe during production, and then the composite pipe is compounded on the base pipe in an injection molding mode; or the inner side of the base pipe is sleeved with the composite pipe, the sealing ring is sleeved on the composite pipe during production, and then the base pipe is injection-molded and compounded on the composite pipe.
Further, the cross section of the lug boss and the cross section of the groove are U-shaped, rectangular or semicircular.
Further, the base pipe and the composite pipe are connected through threads.
Further, the base pipe is a PE plastic pipe or a PP plastic pipe, and the composite pipe is an ABS plastic pipe or a PVC plastic pipe; or the base pipe is an ABS plastic pipe or a PVC plastic pipe, and the composite pipe is a PE plastic pipe or a PP plastic pipe.
Furthermore, the composite pipe joint is arranged between the water supply bolt and the water supply pipe, the ABS plastic pipe or the PVC plastic pipe and the water supply pipe or the water supply bolt made of the same material are bonded by peptizing with a peptizing agent, and the PE plastic pipe or the PP plastic pipe and the water supply pipe or the water supply bolt made of the same material can be connected by hot melting.
In summary, the technical scheme of the utility model has the following beneficial effects:
the pipe joint is suitable for the conversion connection between a PE (or PP) pipe and an ABS (or PVC) pipe, when pipes or equipment at two ends are connected, the PE end of the pipe joint is in hot melting connection with the PE pipe for the pipes made of the PE material, and the other end of the pipe joint is bonded with the pipes or equipment made of the ABS (or PVC) material. Through this compound tube coupling switching connection to realize being connected between PE (or PP) pipe fitting and ABS (or PVC) pipe fitting, this compound tube coupling simple structure, with low costs, construction installation labour saving and time saving installs the sealing washer additional through the complex, seals water effectually, uses the water-tight under the water pressure environment.
Drawings
FIG. 1 is a top view of a base pipe and a composite pipe after they have been combined (the composite pipe having an extension).
Fig. 2 is a sectional view a-a of fig. 1 (the clad pipe is installed outside the base pipe).
Fig. 3 is an axial cross-sectional view of the base pipe of fig. 1.
Fig. 4 is an axial sectional view of the composite pipe in fig. 1.
Figure 5 is a top view of the base pipe and composite pipe after they have been combined (composite pipe without extensions).
Fig. 6 is a sectional view B-B of fig. 5 (the clad pipe is installed outside the base pipe).
Fig. 7 is an axial cross-sectional view of the base pipe of fig. 5.
Fig. 8 is an axial cross-sectional view of the composite tube of fig. 5.
FIG. 9 is a view showing the construction of the pipe joint in connection with the hydrant and the water supply pipe.
In the figure:
the water supply device comprises a base pipe 1, a composite pipe 2, a sealing ring 3, a transition table 4, a groove 5, a boss 6, an extension part 7, a water supply pipe 8, a water supply plug 9 and a water inlet pipe 10.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the utility model and are not intended to limit the scope of the utility model.
The composite pipe joint for conversion connection comprises a base pipe 1 and a composite pipe 2 which are made of different materials, wherein the base pipe 1 and the composite pipe 2 are round pipes (shown in figure 1), and generally speaking, the two different materials mainly refer to PE (or PP) materials and ABS (or PVC) materials. The length of the base pipe 1 is longer than that of the composite pipe 2, and serves as an installation base of the composite pipe 2. The composite pipe 2 is sleeved on the outer side or the inner side of one end of the base pipe 1, a sealing ring 3 is arranged between the base pipe 1 and the composite pipe 2, and the sealing ring 3 can be rubber, silica gel and the like.
Specifically, a transition table 4 (fig. 2 and 5) is arranged between the part of the base pipe 1 sleeved with the composite pipe 2 and the part not sleeved with the composite pipe 2, and one end of the composite pipe 2 is abutted against the transition table 4, so that the axial installation stability of the base pipe and the composite pipe is improved.
The composite pipe 2 can be reasonably selected according to actual needs and the needs of pipe diameter sizes, and meanwhile, the specific position of the composite pipe 2 matched with the base pipe 1 can be adjusted according to needs, and generally, the composite pipe 2 can be arranged on the outer side or the inner side of the base pipe 1 in a matched mode. Specifically, the composite pipe 2 is sleeved outside one end of the base pipe 1, a groove 5 and a boss 6 are arranged on the outer circumferential surface of the part, sleeved with the composite pipe 2, of the base pipe 1, and a boss 6 and a groove 5 matched with the groove 5 and the boss 6 on the outer circumferential surface of the base pipe 1 are arranged on the inner circumferential surface corresponding to the composite pipe 2. The cross sections of the lug boss 6 and the groove 5 can be in a U shape, a rectangular shape, a semicircular shape and other geometric shapes, and the purpose is to increase axial shear resistance, improve overall strength and increase integrity between the circular tube base piece and the composite piece. In another case, the composite pipe 2 is sleeved on the inner side of one end of the base pipe 1, the inner circumferential surface of the part of the base pipe 1 sleeved on the composite pipe 2 is provided with a groove 5 and a boss 6, and the outer circumferential surface corresponding to the composite pipe 2 is provided with a boss 6 and a groove 5 matched with the groove 5 and the boss 6 on the inner circumferential surface of the base pipe 1. Similarly, the cross section of the boss 6 and the cross section of the groove 5 can be in a U shape, a rectangular shape, a semicircular shape, and the like, so that the axial shear resistance between the circular tube base piece and the composite piece is increased, the integral strength is improved, and the integrity is increased.
When the composite pipe 2 is arranged outside the base pipe 1, the end of the composite pipe 2 can be extended, the inner wall of the extension part 7 is flush with the inner wall of the base pipe 1 (as shown in fig. 2-4), and when the composite pipe is matched with other pipelines, the extended extension part 7 is bonded or hot-melted with the other pipelines. Or, the end of the composite pipe 2 is not extended, the end of one end of the composite pipe 2 is flush with the end of the base pipe 1, which is equivalent to that the composite pipe 2 made of different materials and flush with the end of the base pipe 1 is sleeved outside the base pipe 1 (as shown in fig. 6-8), and when the composite pipe is installed in cooperation with other pipelines, the outer wall of the composite pipe 2 is bonded or hot-melted with the other pipelines.
The composite pipe 2 is sleeved on the outer side of the base pipe 1, during production, the sealing ring 3 is sleeved on the base pipe 1, and then the composite pipe 2 is injection-molded and compounded on the base pipe 1; or the composite pipe 2 is sleeved on the inner side of the base pipe 1, the sealing ring 3 is sleeved on the composite pipe 2 during production, and then the base pipe 1 is compounded on the composite pipe 2 in an injection molding mode. Specifically, taking the case that the composite tube 2 is sleeved outside the base tube 1 as an example, during production, the circular tube base tube 1 and the sealing ring 3 are manufactured, the sealing ring 3 is sleeved on the base tube 1, and then the base tube 1 sleeved with the sealing ring 3 is placed in a mold cavity of a composite mold to complete ABS (or PVC) composite. The purpose of sleeving the sealing ring 3 is to plug and seal an interface formed between the composite surfaces, the sealing ring 3 contracts and deforms under the injection pressure, the circular tube composite tube 2 contracts after injection cooling to form an interface gap, the circular tube composite tube 2 contracts and deforms after injection cooling to form an interface gap, the sealing ring 3 elastically recovers and expands to fill the gap, and water and air leakage during use is avoided.
The base pipe 1 and the composite pipe 2 are connected by threads, and the specific form of the threads can be that the cross section of a thread groove can be in a U-shaped, rectangular, semicircular and other geometric shapes, and is not limited specifically.
Furthermore, a plurality of concave-convex points or concave-convex line segments which are matched with each other and correspond to each other can be arranged on the base pipe 1 and the composite pipe 2. The cross section of the concave-convex line segment can be in a regular geometric shape such as a U shape, a hemisphere shape and the like, and can also be in an irregular geometric shape.
Specifically, the material of the base pipe 1 and the material of the composite pipe 2 are selected and divided into two types, wherein one type is that the base pipe 1 is a PE plastic pipe or a PP plastic pipe, and the composite pipe 2 is an ABS plastic pipe or a PVC plastic pipe; the other is that the base pipe 1 is an ABS plastic pipe or a PVC plastic pipe, and the composite pipe 2 is a PE plastic pipe or a PP plastic pipe. The specific material is selected according to the material of the pipeline matched with the material.
The composite pipe 2 is arranged between the water supply bolt 9 and the water supply pipe 8 (figure 9), an ABS plastic pipe or a PVC plastic pipe is bonded with the water supply pipe 8 made of the same material or the lower water inlet pipe 10 at the bottom of the water supply bolt 9 through peptization of a peptizing agent, and a PE plastic pipe or a PP plastic pipe can be connected with the water supply pipe 8 made of the same material or the lower water inlet pipe 10 at the bottom of the water supply bolt 9 through hot melting. The pipe joint is suitable for conversion connection between a PE (or PP) material pipe and an ABS (or PVC) pipe, when pipes or equipment at two ends are connected, the PE end of the pipe joint is connected with the PE pipe in a hot melting mode when the pipes or the equipment are made of PE materials, and the other end of the pipe joint is bonded with the pipes or the equipment made of the ABS (or PVC) materials. Through this 2 sections conversion connection of composite pipe to realize being connected between PE (or PP) pipe fitting and ABS (or PVC) pipe fitting, this 2 sections simple structure of composite pipe, with low costs, construction installation labour saving and time saving, through compound install sealing washer 3 additional, it is effectual to seal water, uses the water-tight under the water pressure environment. Compared with the prior similar connecting piece, the single-side compounding method is adopted, the die structure is simplified, the production efficiency is improved, and the problems of interface gaps and easy water and air leakage existing between the compounding surfaces are solved by additionally arranging the elastic sealing ring 3.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a compound tube coupling of conversion connection usefulness which characterized in that, includes different basic pipe of material and compound pipe, and the compound pipe is put to the one end outside or inboard cover of basic pipe, is equipped with the sealing washer between basic pipe and the compound pipe.
2. A composite pipe joint for conversion coupling according to claim 1, wherein a transition table is provided between the portion of the base pipe in which the composite pipe is sleeved and the portion in which the composite pipe is not sleeved, and one end of the composite pipe abuts against the transition table.
3. The composite pipe joint for conversion connection according to claim 2, wherein the composite pipe is sleeved outside one end of the base pipe, the outer circumferential surface of the part of the composite pipe sleeved by the base pipe is provided with grooves and bosses, and the inner circumferential surface of the composite pipe corresponding to the inner circumferential surface of the base pipe is provided with bosses and grooves matched with the grooves and bosses on the outer circumferential surface of the base pipe; the inner side of one end of the basic pipe is sleeved with the composite pipe, the inner circumferential surface of the part of the basic pipe sleeved with the composite pipe is provided with a groove and a boss, and the outer circumferential surface corresponding to the composite pipe is provided with a boss and a groove matched with the groove and the boss on the inner circumferential surface of the basic pipe.
4. The composite pipe joint for conversion connection according to claim 3, wherein the composite pipe is sleeved on the outer side of the base pipe, and during production, the sealing ring is sleeved on the base pipe, and then the composite pipe is injection-molded and compounded on the base pipe; or the inner side of the base pipe is sleeved with the composite pipe, the sealing ring is sleeved on the composite pipe during production, and then the base pipe is injection-molded and compounded on the composite pipe.
5. The composite pipe section for conversion coupling of claim 3, wherein the cross-section of the boss and the groove is U-shaped, rectangular or semicircular.
6. The composite pipe section for conversion coupling of claim 2, wherein the base pipe and the composite pipe are connected by a thread.
7. The composite pipe section for conversion connection according to claim 1, wherein the base pipe is a PE plastic pipe or a PP plastic pipe, and the composite pipe is an ABS plastic pipe or a PVC plastic pipe; or the base pipe is an ABS plastic pipe or a PVC plastic pipe, and the composite pipe is a PE plastic pipe or a PP plastic pipe.
8. The composite pipe joint for conversion connection according to claim 7, wherein the composite pipe joint is installed between a hydrant and a water supply pipe, an ABS plastic pipe or a PVC plastic pipe is bonded with the water supply pipe or the hydrant made of the same material by peptizing using a peptizing agent, and a PE plastic pipe or a PP plastic pipe is connected with the water supply pipe or the hydrant made of the same material by hot melting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145780.9U CN216643336U (en) | 2022-01-19 | 2022-01-19 | Composite pipe joint for conversion connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145780.9U CN216643336U (en) | 2022-01-19 | 2022-01-19 | Composite pipe joint for conversion connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643336U true CN216643336U (en) | 2022-05-31 |
Family
ID=81727689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220145780.9U Active CN216643336U (en) | 2022-01-19 | 2022-01-19 | Composite pipe joint for conversion connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643336U (en) |
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2022
- 2022-01-19 CN CN202220145780.9U patent/CN216643336U/en active Active
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