CN217874738U - Bonding sheet for connecting chlorinated polyvinyl chloride pipelines - Google Patents
Bonding sheet for connecting chlorinated polyvinyl chloride pipelines Download PDFInfo
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- CN217874738U CN217874738U CN202221930486.5U CN202221930486U CN217874738U CN 217874738 U CN217874738 U CN 217874738U CN 202221930486 U CN202221930486 U CN 202221930486U CN 217874738 U CN217874738 U CN 217874738U
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Abstract
The utility model discloses a chlorinated polyvinyl chloride bonding sheet for pipe connection relates to chlorinated polyvinyl chloride pipeline technical field, and the outside of adsorbed layer is equipped with interior lamella, the inboard of adsorbed layer is equipped with outer lamella, interior lamella is equipped with the first thru hole that a plurality of circumference set up, outer lamella is equipped with the second thru hole that a plurality of circumference set up. The inner sheet layer and the outer sheet layer are structural layers and are matched with the middle adsorption layer, so that the shape of the bonding sheet body is kept in a stable state. First thru hole and second thru hole can make the infiltration entering adsorbed layer that the pre-solvent is more, increase the adsorption capacity of pre-solvent, partial pre-solvent also can be stayed to the degree of depth of first thru hole and second thru hole itself simultaneously, and the pre-solvent distributes evenly on the bonding sheet body for tubular product and pipe fitting bond more firmly, and the pipeline is difficult for appearing the bonding leak, and the infiltration possibility is low, is difficult for appearing the pre-solvent drippage during the use, has practiced thrift the cost, the sanitary clearance of being convenient for simultaneously.
Description
Technical Field
The utility model relates to a chlorinated polyvinyl chloride pipeline technical field, concretely relates to chlorinated polyvinyl chloride is bonding piece for pipe connection.
Background
Chlorinated polyvinyl chloride is a novel engineering plastic with wide application prospect, is prepared by chlorination modification of polyvinyl chloride resin, and is a novel engineering plastic. Chlorinated polyvinyl chloride pipelines have many advantages: the pipe and the pipe fitting are made of the same material, can be bonded by a special adhesive, and are convenient and reliable; the flame retardance is good, the oxygen index reaches 60, and the flame retardance far exceeds that of common plastics; high temperature resistance, corrosion resistance, difficult oxygen permeation and no water drop hanging; the heat conduction coefficient is low, the thermal linear expansion coefficient is small, heat is not easy to be emitted from the pipeline, the heat loss is small, and a heat insulation protective layer can be omitted; the pipeline is safe and attractive, has low deflection and small change, has excellent sanitary effect, is not easy to breed bacteria, and has the bacterial breeding rate of 1/60 of PEX and 1/10 of copper pipe. The chlorinated polyvinyl chloride pipeline is widely applied to the fields of civil domestic water supply systems, cold and hot water systems, direct drinking water systems, commercial pure water systems, electronic industries, chemical pipelines and the like.
According to the diversity of the chlorinated polyvinyl chloride pipeline application and the difference of the application environment, the connection mode of the pipeline also has the characteristic of diversity. In the existing chlorinated polyvinyl chloride pipeline connection technology, pipeline connection is carried out by adopting a socket connection mode through reasonable specification design of pipe fittings, design of pipe fittings and moulds and selection of special binders for chlorinated polyvinyl chloride pipelines. The bonding process of the special adhesive for the chlorinated polyvinyl chloride pipeline is divided into a direct bonding mode and a bonding mode of double-layer coating of a pre-adhesive and a main adhesive. Two bonding methods, both of which inevitably have several problems:
(1) The adhesive is unevenly coated by a brush, and the pipe fitting have adhesive holes, so that the water seepage of the pipeline or the reduction of the shelf life after long-term use is caused.
(2) The length of time for coating the adhesive is long, and the working period of pipeline connection is long.
(3) The binder has large dosage, is easy to drip during coating, has large waste amount and high pipeline connection cost.
(4) After the binder is uncovered, the binder is easy to cure and lose efficacy, and the use cost is increased.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the bonding sheet for connecting the chlorinated polyvinyl chloride pipeline is provided, the operation is simple, the pipe and the pipe fitting are firmly bonded, and the use cost is reduced.
In order to solve the technical problem, the technical scheme of the utility model is that:
a bonding sheet for connecting chlorinated polyvinyl chloride pipelines comprises a bonding sheet body, wherein the bonding sheet body comprises an adsorption layer, an inner sheet layer is arranged on the outer side of the adsorption layer, an outer sheet layer is arranged on the inner side of the adsorption layer, the inner sheet layer is matched with the size of a pipe, and the outer sheet layer is matched with the size of the pipe;
the inner sheet layer is provided with a plurality of first through holes arranged circumferentially, and the outer sheet layer is provided with a plurality of second through holes arranged circumferentially.
As an improved technical scheme, the bonding sheet body comprises a circular straight-through section and a conical annular socket section, and the socket sections are respectively matched with the shapes of the pipe and the pipe fitting.
As an improved technical scheme, the outer side of the bottom and the inner side of the bottom of the socket section are both arranged in an arc shape.
As an improved technical scheme, the thickness of the inner sheet layer is 1-3 mm, the thickness of the adsorption layer is 3-5 mm, and the thickness of the outer sheet layer is 1-3 mm.
As an improved technical scheme, the height of the bonding sheet body is 3-5 cm.
As an improved technical scheme, the diameters of the first through hole and the second through hole are both 0.15-0.3 cm.
Preferably, the plurality of first through holes and the plurality of second through holes are arranged in a staggered manner.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a chlorinated polyvinyl chloride bonding sheet for pipe connection, including bonding sheet body, bonding sheet body includes the adsorbed layer, the outside of adsorbed layer is equipped with the interior lamella, the inboard of adsorbed layer is equipped with the outer lamella, the interior lamella suits with the size of tubular product, the outer lamella suits with the size of pipe fitting; the inner sheet layer is provided with a plurality of first through holes arranged circumferentially, and the outer sheet layer is provided with a plurality of second through holes arranged circumferentially. The inner sheet layer and the outer sheet layer are structural layers and are matched with the middle adsorption layer, so that the shape of the bonding sheet body is kept in a stable state. First thru hole and second thru hole can make the infiltration entering adsorbed layer that the pre-solvent is more, increase the adsorption capacity of pre-solvent, partial pre-solvent also can be stayed to the degree of depth of first thru hole and second thru hole itself simultaneously, and the pre-solvent distributes evenly on the bonding sheet body for tubular product and pipe fitting bond more firmly, and the pipeline is difficult for appearing the bonding leak, and the infiltration possibility is low, is difficult for appearing the pre-solvent drippage during the use, has practiced thrift the cost, the sanitary clearance of being convenient for simultaneously.
The utility model discloses a bonding piece body includes the annular direct section of circle and the annular bellmouth section of awl, the bellmouth section respectively with tubular product with the shape of pipe fitting suits. Through the cooperation of the through section and the socket section, the caliber of the socket section port is locally enlarged, and the outer diameter of the socket section is slightly larger than the inner diameter of the pipe fitting, so that the pipe fitting can be better limited, and the pipe fitting can be conveniently inserted, assembled and fixed.
The bottom outside and the inboard equal arc setting in bottom of socket section, can be better establish the tubular product cover in bonding sheet body inboard and more smooth and easy establish the outside at bonding sheet body with the pipe fitting cover, reduced the damping that the edges and corners brought.
The thickness of the inner sheet layer is 1-3 mm, the thickness of the adsorption layer is 3-5 mm, the thickness of the outer sheet layer is 1-3 mm, the height of the bonding sheet body is 3-5 cm, the diameters of the first through hole and the second through hole are 0.15-0.3 cm, and bonding sheets with different sizes can be selected according to pipe fittings and pipes with different calibers.
The plurality of first through holes and the plurality of second through holes are distributed in a staggered mode, so that the pre-solvent is not prone to overflowing from the through holes corresponding to the other layer after entering the adsorption layer from the inner layer or the outer layer, and the adsorption effect of the adsorption layer is better.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of the embodiment of the present invention in another direction;
fig. 3 is a cross-sectional view of an embodiment of the invention;
wherein: 1. a bonding sheet body; 101. an adsorption layer; 102. an inner sheet layer; 103. an outer sheet layer; 2. a first through aperture; 3. a second through aperture; 4. a straight-through section; 5. a socket section.
Detailed Description
The invention is further explained below by referring to the drawings and examples.
As shown in fig. 1-3, the bonding sheet for connecting the chlorinated polyvinyl chloride pipeline comprises a bonding sheet body 1, wherein the bonding sheet body 1 comprises an adsorption layer 101, an inner sheet layer 102 is arranged on the outer side of the adsorption layer 101, an outer sheet layer 103 is arranged on the inner side of the adsorption layer 101, the inner sheet layer 102 is adapted to the size of the pipe, and the outer sheet layer 103 is adapted to the size of the pipe; the inner sheet layer 102 is provided with a plurality of first through holes 2 arranged circumferentially, and the outer sheet layer 103 is provided with a plurality of second through holes 3 arranged circumferentially. The inner sheet layer 102 and the outer sheet layer 103 are structural layers, and the shape of the adhesive sheet body 1 is kept stable by the adsorption layer 101 in between. First thru hole 2 and second thru hole 3 can make more infiltration entering adsorbed layer 101 of pre-solvent, increase the adsorption capacity of pre-solvent, partial pre-solvent also can be stayed to the degree of depth of first thru hole 2 and second thru hole 3 itself simultaneously, the pre-solvent distributes evenly on bonding sheet body 1, make tubular product and pipe fitting bond more firmly, the pipeline is difficult for appearing the bonding leak, the infiltration possibility is low, the pre-solvent drip is difficult to appear during the use, the cost is saved, the sanitary clearance of being convenient for simultaneously.
The bonding sheet body 1 comprises a circular through section 4 and a conical ring-shaped bellmouth section 5, the inner diameter of the bellmouth section 5 is gradually increased along the direction far away from the through section 4, the through section 4 and the bellmouth section 5 are integrally formed, and the bellmouth section 5 is respectively matched with the shape of the pipe and the shape of the pipe fitting. Through the cooperation of direct section 4 and bellmouth section 5, the bore of 5 ports of bellmouth section is local enlargies, and the external diameter of bellmouth section 5 is slightly bigger than the internal diameter of pipe fitting to can be better carry out spacingly to the pipe fitting, be convenient for the inserting of tubular product and pipe fitting join in marriage fixedly.
The bottom outside and the bottom inboard equal arc setting of socket section 5, can be better establish into bonding sheet body 1 inboard with the tubular product cover and more smoothly establish the outside at bonding sheet body 1 with the pipe fitting cover, reduced the damping that the edges and corners brought.
The thickness of the inner sheet layer 102 is 1-3 mm, the thickness of the adsorption layer 101 is 3-5 mm, the thickness of the outer sheet layer 103 is 1-3 mm, the height of the bonding sheet body 1 is 3-5 cm, the diameters of the first through hole 2 and the second through hole 3 are 0.15-0.3 cm, bonding sheets with different sizes can be selected according to pipe fittings and pipes with different calibers, the materials of the inner sheet layer 102, the material of the outer sheet layer 103 and the material of the adsorption layer 101 are the same, and the inner sheet layer 102, the material of the outer sheet layer 103 and the material of the adsorption layer 101 are formed together after high-temperature cooling.
The plurality of first through holes 2 and the plurality of second through holes 3 are distributed in a staggered mode, so that after entering the adsorption layer 101 from the inner layer or the outer layer, a pre-solvent is not easy to overflow from the corresponding through hole in the other layer, and the adsorption effect of the adsorption layer 101 is better.
The utility model discloses a theory of operation:
the bonding sheet is immersed in the pre-solvent for 5s to 10s, is non-toxic, has viscosity smaller than 60mPa.s, is partially attached to the inner sheet layer 102 and the outer sheet layer 103 of the bonding sheet, is partially inserted into the adsorption layer 101 through the first through hole 2 and the second through hole 3, is buckled at the tail end of the pipe, is connected with the pipe and is tightly inserted, and under the action of the pre-solvent, the outer layer surface of the tail end of the pipe, the inner layer surface of the pipe and the bonding sheet are gradually dissolved, fused and solidified, so that the pipe and the pipe are bonded together. The method has the advantages that viscous main binder is not used, the operation mode of adding the pre-solvent into the binding sheet is changed, on one hand, the stability of the binding quality of the chlorinated polyvinyl chloride pipeline is guaranteed, on the other hand, the pipeline connection operation efficiency is improved, the binder waste can be reduced, and the risk of polluting the ground and clothes is reduced.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (7)
1. The utility model provides a chlorinated polyvinyl chloride is bonding sheet for pipe connection which characterized in that: the bonding sheet comprises a bonding sheet body, wherein the bonding sheet body comprises an adsorption layer, an inner sheet layer is arranged on the outer side of the adsorption layer, an outer sheet layer is arranged on the inner side of the adsorption layer, the inner sheet layer is matched with the size of a pipe, and the outer sheet layer is matched with the size of the pipe;
the inner sheet layer is provided with a plurality of first through holes arranged circumferentially, and the outer sheet layer is provided with a plurality of second through holes arranged circumferentially.
2. The bonding sheet for connecting chlorinated polyvinyl chloride pipes according to claim 1, wherein: the bonding sheet body comprises a circular straight cylinder section and a conical annular socket section, and the socket sections are respectively adapted to the shapes of the pipe and the pipe fitting.
3. The bonding sheet for chlorinated polyvinyl chloride conduit connection according to claim 2, wherein: the bottom outside and the bottom inboard equal arc setting of socket section.
4. The bonding sheet for connecting chlorinated polyvinyl chloride pipes according to claim 1, wherein: the thickness of the inner sheet layer is 1-3 mm, the thickness of the adsorption layer is 3-5 mm, and the thickness of the outer sheet layer is 1-3 mm.
5. The bonding sheet for chlorinated polyvinyl chloride conduit connection according to claim 1, wherein: the height of the bonding sheet body is 3-5 cm.
6. The bonding sheet for connecting chlorinated polyvinyl chloride pipes according to claim 1, wherein: the diameters of the first through hole and the second through hole are both 0.15-0.3 cm.
7. The bonding sheet for connecting chlorinated polyvinyl chloride pipes according to claim 1, wherein: the plurality of first through holes and the plurality of second through holes are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221930486.5U CN217874738U (en) | 2022-07-25 | 2022-07-25 | Bonding sheet for connecting chlorinated polyvinyl chloride pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221930486.5U CN217874738U (en) | 2022-07-25 | 2022-07-25 | Bonding sheet for connecting chlorinated polyvinyl chloride pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217874738U true CN217874738U (en) | 2022-11-22 |
Family
ID=84054592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221930486.5U Active CN217874738U (en) | 2022-07-25 | 2022-07-25 | Bonding sheet for connecting chlorinated polyvinyl chloride pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217874738U (en) |
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2022
- 2022-07-25 CN CN202221930486.5U patent/CN217874738U/en active Active
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