CN210424026U

CN210424026U - Heat-resistant polyethylene PE-RT (polyethylene-reverse transcription) pipe for cold and hot water

Info

Publication number: CN210424026U
Application number: CN201921441385.XU
Authority: CN
Inventors: 王砚明
Original assignee: Hebei Qianxin Plastic Product Co ltd
Current assignee: Hebei Qianxin Plastic Product Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-04-28
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a heat-resistant polyethylene PE-RT pipe for cold and hot water, one end part of an outer protective layer is fixedly connected with a receiving plug, the outer surface of the receiving plug is bonded with an extrusion rubber strip at equal distance, one end of the receiving plug is connected with a first connecting flange disc near the outer protective layer, the other end part of the outer protective layer is provided with a plugging hole corresponding to the receiving plug, the inner side end of the plugging hole is provided with a sealing groove at equal distance, one side of the plugging hole is connected with a second connecting flange disc corresponding to the first connecting flange disc, the utility model can facilitate the quick contraposition connection between two pipes through the receiving plug, the extrusion rubber strip, the first connecting flange disc, the plugging hole, the sealing groove, the second connecting flange disc, a connecting screw hole and a sealing rubber gasket, thereby reducing the connecting difficulty between the pipes and simultaneously ensuring higher stability and sealing performance after the connection between the two pipes, further improving the application range of the pipe.

Description

Heat-resistant polyethylene PE-RT (polyethylene-reverse transcription) pipe for cold and hot water

Technical Field

The utility model relates to a polyethylene pipe technical field specifically is a hot-resisting polyethylene PE-RT tubular product is used to hot and cold water.

Background

The PE-RT is formed by copolymerizing ethylene and octene monomers through metallocene catalysis, and along with the development of the society, the heat-resistant polyethylene plastic pipe gradually replaces a metal pipe to be applied to a heating system and a cold and hot water supply system, has excellent temperature resistance, heat insulation and chemical corrosion resistance, has long service life and can be safely used for more than 50 years;

and current heat-resisting polyethylene PE-RT tubular product is at the practical application in-process, when needing to connect between the tubular product, generally through hot melt welding and electric fusion two kinds of modes connecting, and when tubular product application was used the place that is not convenient for use hot melt welding and electric fusion mode to connect, lead to unable the connecting between the tubular product on the one hand, on the other hand causes the tubular product to connect the degree of difficulty great, and the leakproofness of tubular product between during after connecting also can't guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hot-resisting polyethylene PE-RT tubular product is used to hot and cold water, can effectively solve current heat-resisting polyethylene PE-RT tubular product that proposes in the above-mentioned background art at the practical application in-process, when need connect between the tubular product, generally connect with the electric fuse through hot melt and two kinds of modes are connecting, and use when the place that is not convenient for use hot melt to connect and the electric fuse mode is connected when tubular product, lead to unable the connection between tubular product on the one hand, on the other hand causes the tubular product to connect the degree of difficulty great, and the tubular product is also unable problem of guaranteeing in the leakproofness between them after connecting.

In order to achieve the above object, the utility model provides a following technical scheme: a heat-resistant polyethylene PE-RT pipe for cold and hot water comprises an outer protective layer, wherein wear-resistant strips are arranged on the outer surface of the outer protective layer at equal angles, a bearing plug is fixedly connected to one end of the outer protective layer, extruded rubber strips are bonded on the outer surface of the bearing plug at equal intervals, a first connecting flange plate is connected to one end of the bearing plug close to the outer protective layer, inserting holes are formed in the other end of the outer protective layer and correspond to the bearing plug, sealing grooves are formed in the inner side ends of the inserting holes at equal intervals, a second connecting flange plate is connected to one side of each inserting hole and corresponds to the first connecting flange plate, connecting screw holes are formed in the first connecting flange plate and the second connecting flange plate at equal angles, and sealing rubber gaskets are fixedly bonded on the edges of the first connecting flange plate and the second connecting flange plate;

the side end bonds and has had hot melt adhesive layer in the outer protective layer, the inboard limit portion of hot melt adhesive layer bonds and has had the back up coat, the inboard limit portion of back up coat is fixed to be bonded and has had heat-resisting polyethylene layer, the through-hole has been seted up to heat-resisting polyethylene in situ portion.

Preferably, the outer protective layer is a high-pressure low-density PE-RT material.

Preferably, the length of the receiving plug is equal to the depth of the plug hole, and the outer diameter of the receiving plug is equal to the inner diameter of the plug hole.

Preferably, the outer protection layer, the hot melt adhesive layer, the reinforcing layer and the heat-resistant polyethylene layer are bonded together through a bonding material respectively.

Through holes are formed in the reinforcing layer in a penetrating mode at equal angles, reinforcing metal wires are connected in the through holes in a penetrating and matching mode, and longitudinal connecting rings are installed on the edge portions of the reinforcing metal wires at equal distances.

Preferably, the reinforcing metal wire is embedded in the through hole, and the reinforcing metal wire and the through hole are co-extruded into a whole through glue.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through accepting plug, extrusion rubber strip, first flange dish, spliced eye, seal the groove, second flange dish, connection screw and sealing rubber packing ring be convenient for carry out quick counterpoint between two tubular products and connect, reduced the connection degree of difficulty between the tubular product, guaranteed simultaneously to possess higher stability and leakproofness after connecting between two tubular products, further improved the range of application of tubular product.

2. Through back up coat, through hole, reinforcement wire and vertical go-between can improve the inside intensity of tubular product, make tubular product inside can form latticed support to this resistance to compression anti-deformation's that improves tubular product ability, avoid tubular product to produce the phenomenon of extrusion deformation in the application.

3. The edge of the pipe has higher protection capability through the outer protection layer and the wear-resistant strips, the service life of the pipe is prolonged, and the phenomenon of scraping when the surface of the pipe is laid is prevented.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the structure of the insertion hole of the present invention;

FIG. 3 is a schematic view of the bonding structure of the reinforcing layer of the present invention;

FIG. 4 is a schematic view of the bonding structure of the heat-resistant polyethylene layer of the present invention;

FIG. 5 is a schematic view of the connection structure of the reinforcing wire and the longitudinal connecting ring according to the present invention;

reference numbers in the figures: 1. an outer protective layer; 2. wear resistant strips; 3. receiving a plug; 4. extruding the rubber strip; 5. a first connecting flange; 6. inserting holes; 7. sealing and isolating the groove; 8. a second connecting flange; 9. a connecting screw hole; 10. a sealing rubber gasket; 11. a hot melt adhesive layer; 12. a reinforcement layer; 13. a heat resistant polyethylene layer; 14. a through hole; 15. a through hole; 16. reinforcing the metal wire; 17. longitudinal connecting rings.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a heat-resisting polyethylene PE-RT tubular product for cold and hot water, including an outer protective layer 1, wear-resisting strips 2 are arranged on the outer surface of the outer protective layer 1 at equal angles, the outer protective layer 1 is a high-pressure low-density PE-RT material, the protective capability of the outer protective layer 1 is improved, one end of the outer protective layer 1 is fixedly connected with a receiving plug 3, extruded rubber strips 4 are bonded on the outer surface of the receiving plug 3 at equal intervals, one end of the receiving plug 3 near the outer protective layer 1 is connected with a first connecting flange 5, a plug hole 6 is arranged at the other end of the outer protective layer 1 and the corresponding position of the receiving plug 3, the length of the receiving plug 3 is equal to the depth of the plug hole 6, and the outer diameter of the receiving plug 3 is equal to the inner diameter of the plug hole 6, so that seamless, sealing grooves 7 are formed in the inner side edge ends of the inserting holes 6 at equal intervals, a second connecting flange plate 8 is connected to the position, corresponding to the first connecting flange plate 5, of one side of each inserting hole 6, connecting screw holes 9 are formed in the first connecting flange plate 5 and the second connecting flange plate 8 at equal angles, and sealing rubber gaskets 10 are fixedly bonded to the edge portions of the first connecting flange plate 5 and the second connecting flange plate 8;

the hot melt adhesive layer 11 is bonded at the inner side edge of the outer protective layer 1, the reinforcing layer 12 is bonded at the inner side edge of the hot melt adhesive layer 11, the heat-resistant polyethylene layer 13 is fixedly bonded at the inner side edge of the reinforcing layer 12, the outer protective layer 1, the hot melt adhesive layer 11, the reinforcing layer 12 and the heat-resistant polyethylene layer 13 are bonded together through the gluing material respectively between two pairs of the outer protective layer 1, the hot melt adhesive layer 11, the reinforcing layer 12 and the heat-resistant polyethylene layer 13 after connection, and the through hole 14 is formed in the heat-resistant polyethylene layer 13.

Through hole 15 has been seted up in the inside impartial angle of back up layer 12 running through, through hole 15 is inside to run through to agree with to be connected with reinforcing wire 16, reinforcing wire 16 inlays in through hole 15, and through glue crowded as an organic whole altogether between reinforcing wire 16 and the through hole 15, is convenient for reinforce being connected between wire 16 and the through hole 15, makes reinforcing wire 16 possess higher reinforcing effect simultaneously, and the equal equidistance in reinforcing wire 16 limit portion installs vertical go-between 17.

The utility model discloses a theory of operation and use flow: in the practical application process of the heat-resistant polyethylene PE-RT pipe for cold and hot water, firstly, the outer protection layer 1 outside the pipe enables the outside of the pipe to have higher oxidation resistance and heat resistance, the service life of the pipe is prolonged, and meanwhile, the wear-resistant strips 2 outside the outer protection layer 1 enable the pipe to avoid scratches between the surface of the pipe and the ground in the practical laying process;

in the actual laying process, when the pipes are required to be connected after being laid according to installation regulations, the pipes can be connected in a hot welding and electric welding mode, when the joint of the two pipes is in a place where the hot welding and the electric welding are difficult to apply, the receiving plug 3 at one end of one pipe is inserted into the inserting hole 6 at the end of the other pipe, the waterproof adhesive tape is uniformly wound on the surface of the receiving plug 3 before the receiving plug 3 is inserted into the inserting hole 6, the receiving plug 3 is inserted into the inserting hole 6 by combining the extrusion rubber strip 4 on the surface of the receiving plug 3, and the receiving plug 3 and the inserting hole 6 are connected in a squeezing mode through the waterproof adhesive tape and the extrusion rubber strip 4 and the packing groove 7, so that the receiving plug 3 and the inserting hole 6 have higher stability and sealing performance after being connected;

when the receiving plug 3 is completely inserted into the inserting hole 6, the first connecting flange 5 and the second connecting flange 8 at the edge of the receiving plug 3 and the inserting hole 6 are connected, the first connecting flange 5 and the second connecting flange 8 are further fixed through a flange screw and a connecting screw hole 9, so that the stability of the two pipes after connection is ensured, meanwhile, the sealing rubber gasket 10 at the inner side edge of the first connecting flange 5 and the second connecting flange 8 is utilized to further improve the sealing performance of the two pipes after connection, so that the two pipes are quickly fixed and hermetically connected, the connection difficulty is low, and meanwhile, the pipes can be applied to different installation environments, so that the use range of the pipes is not limited;

when tubular product is laying and connecting the back, make tubular product can possess good temperature resistance and thermal-insulated ability in practical application through its inside heat-resisting polyethylene layer 13, simultaneously through reinforcing wire 16 and vertical go-between 17 of the inside reinforcement layer 12, can make the inside latticed support that forms of tubular product, and then make the inside of tubular product possess higher pressure-bearing and anti deformation's ability, and then avoid tubular product to produce the phenomenon of deformation and crushing because of its external pressure that receives is too big in the application, the inside mechanical strength of tubular product has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hot-resisting polyethylene PE-RT tubular product for hot and cold water, includes outer protective layer (1), its characterized in that: outer protective layer (1) surface equidistance is provided with wear resistant strip (2), outer protective layer (1) one end has linked firmly accepts plug (3), it has extrusion rubber strip (4) to accept equal equidistance bonding of plug (3) outside surface, it is close to outer protective layer (1) department and is connected with first connection ring dish (5) to accept plug (3) one end, another tip of outer protective layer (1) corresponds position department with accepting plug (3) and has seted up spliced eye (6), equal equidistance of inboard limit end of spliced eye (6) has seted up and has sealed spacer groove (7), spliced eye (6) one side corresponds position department with first connection ring dish (5) and is connected with second connection ring dish (8), connection screw (9) have been seted up to inside impartial angle of first connection ring dish (5) and second connection ring dish (8), first connection ring dish (5) and second connection ring dish (8) all fixed edge portion bond have sealed rubber packing ring (8) (10) (ii) a

The hot melt adhesive layer (11) is bonded to the inner side edge of the outer protective layer (1), the reinforcing layer (12) is bonded to the inner side edge of the hot melt adhesive layer (11), the heat-resistant polyethylene layer (13) is fixedly bonded to the inner side edge of the reinforcing layer (12), and the through hole (14) is formed in the heat-resistant polyethylene layer (13).

2. The heat-resistant polyethylene PE-RT pipe for cold and hot water as claimed in claim 1, wherein: the outer protective layer (1) is a high-pressure low-density PE-RT material.

3. The heat-resistant polyethylene PE-RT pipe for cold and hot water as claimed in claim 1, wherein: the length of the bearing plug (3) is equal to the depth of the plug hole (6), and the outer diameter of the bearing plug (3) is equal to the inner diameter of the plug hole (6).

4. The heat-resistant polyethylene PE-RT pipe for cold and hot water as claimed in claim 1, wherein: the outer protection layer (1), the hot melt adhesive layer (11), the reinforcing layer (12) and the heat-resistant polyethylene layer (13) are bonded together through a gluing material.

5. The heat-resistant polyethylene PE-RT pipe for cold and hot water as claimed in claim 1, wherein: through hole (15) have been seted up in the inside impartial angle of reinforcing layer (12) through, through hole (15) inside run through to agree with and be connected with reinforcing wire (16), vertical go-between (17) are installed to reinforcing wire (16) equal equidistance in limit portion.

6. The heat-resistant polyethylene PE-RT pipe for cold and hot water as claimed in claim 5, wherein: the reinforcing metal wire (16) is embedded in the through hole (15), and the reinforcing metal wire (16) and the through hole (15) are co-extruded into a whole through glue.