CN209524152U - A kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube - Google Patents

Abstract

The utility model discloses a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tubes, including pedestal, and pedestal is in " truncated cone-shaped ", the inside of the pedestal is equipped with upright bar, and upright bar and pedestal activity grafting, and the top of upright bar is equipped with conduit saddle, and the first mounting hole is equipped at the inside center of conduit saddle, and first mounting hole run through conduit saddle, and the inner wall of conduit saddle is equipped with screw thread, and conduit saddle and upright bar activity grafting.The oxygen-resistance type double-layer coextrusion PE-RT geothermal tube; pass through the cooperation between PE-RT external protection and EVOH oxidation prevention layer; ensure that geothermal tube in turn uses the longevity; EVOH oxidation prevention layer uses advanced technologies direct extrusion molding; also the frequency that pipeline accident occurs is fallen below simultaneously minimum; stress in curved part can be relaxed quickly; it is not in " rebound " phenomenon; convenient for constructing operation; thereby reduce cost of labor; the physical fatigue for overcoming staff improves the working efficiency of staff, is suitble to promote the use of.

Description

A kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube

Technical field

The utility model relates to PE-RT geothermal tube technical field, specially a kind of oxygen-resistance type double-layer coextrusion PE-RT underground heat Pipe.

Background technique

PE-RT floor heating pipe becomes the mainstay of floor heating circle in today of development gradually, at present on the market More, pipeline is easy to appear heat in knee since the environment used is the environment contacted with continuous heat source in use Expansion or the cold and hot temperature difference cause crooked pipeline to split, while bacterium easy to breed, influence the service life of floor heating pipeline existing Have in technology, such as application No. is 201610790907.1 utility model patent includes sealer, the surface protection The inner wall of layer is provided with the first oxidation prevention layer, and the inner wall of first oxidation prevention layer is provided with PE-RT bearing course, the PE-RT pressure-bearing The inner cavity of layer is provided with wire, and the inner wall of the PE-RT bearing course is provided with high-temperature-resistant layer, and the inner wall of the high-temperature-resistant layer is set It is equipped with the second oxidation prevention layer, the inner wall of second oxidation prevention layer is provided with fungi-proofing layer, although the utility model structure is simple, deposits In many insufficient and defects, in existing equipment, the design existing defects of wire, wire reduces the flexibility of tubing Can, when bending pipes, the stress in curved part cannot be relaxed quickly, it may appear that " rebound " phenomenon is not easy to construct Operation, increases difficulty of construction, causes staff susceptible to physical fatigue, increases the body burden of staff, and Tube body lacks the adjustable pipe fitting of fixed installation, in view of these situations, to avoid above-mentioned technical problem, it is necessory to provide one kind Oxygen-resistance type double-layer coextrusion PE-RT geothermal tube is to overcome the defect in the prior art.

Summary of the invention

The purpose of this utility model is to provide a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tubes, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of oxygen-resistance type double-layer coextrusion PE-RT underground heat Pipe, including pedestal, and pedestal is in " truncated cone-shaped ", the inside of the pedestal is equipped with upright bar, and upright bar and pedestal activity grafting, and vertical The top of bar is equipped with conduit saddle, and the first mounting hole is equipped at the inside center of conduit saddle, and the first mounting hole runs through conduit saddle, and conduit saddle Inner wall be equipped with screw thread, and conduit saddle and upright bar activity grafting, and conduit saddle trunnion is equipped at left and right sides of conduit saddle top, and conduit saddle Trunnion and conduit saddle are integrated setting, and the inside of conduit saddle is equipped with geothermal tube, and geothermal tube ecto-entad is successively arranged outside PE-RT and protects Sheath and EVOH oxidation prevention layer, and PE-RT external protection is connected with EVOH oxidation prevention layer bonding, and the top of geothermal tube is equipped with buckle closure, And buckle closure trunnion is equipped at left and right sides of buckle closure, and buckle closure trunnion and buckle closure are integrated setting, and buckle closure trunnion and conduit saddle branch Fixation hole is provided on ear, and buckle closure is hinged and connected by screw and conduit saddle.

Preferably, the inner bottom of the pedestal is equipped with convex clip, and convex clip and pedestal are integrated setting, and upright bar pass through it is convex Card and pedestal activity grafting, and the second mounting hole is equipped at the inside center of convex clip, and screw passes through the second mounting hole and pedestal It is connected, and pedestal is connected by screw with ground.

Preferably, the inside of the buckle closure is equipped with rubber mat, and rubber mat is Nian Jie with buckle closure connected, and rubber mat is for filling up underground heat Gap between pipe and buckle closure.

Preferably, the inside of the pedestal is equipped with second convex stupefied, and second it is convex it is stupefied be in " annular ", and second convex stupefied uniformly divides Cloth is on the inner wall of pedestal, and second is convex stupefied for increasing frictional force, keeps the connection between upright bar and pedestal stronger.

Preferably, the outside of the convex clip is equipped with first convex stupefied, and first it is convex it is stupefied be in " annular ", and the first convex stupefied and convex clip Be integrated setting, and first it is convex it is stupefied be evenly distributed on the outer wall of convex clip, and first it is convex it is stupefied for increase upright bar and convex clip it Between frictional force, keep the connection between upright bar and pedestal stronger.

Compared with prior art, the utility model has the beneficial effects that the oxygen-resistance type double-layer coextrusion PE-RT geothermal tube, leads to The cooperation between PE-RT external protection and EVOH oxidation prevention layer is crossed, PE-RT external protection can be 70 degrees Celsius of pressures in operating temperature Under the conditions of power is 0.4MPa, can use safely 50 years or more, occur earthquake or it is artificial caused by shift when, do not influence tubing It uses, shock resistance is 5 times of PVC-U tubing, and then ensure that the longevity that uses of geothermal tube, and EVOH oxidation prevention layer uses advanced work Skill direct extrusion molding, the basic material used remain flexibility, the weldable of polyethylene for heat-proof polythene (PE-RT) Property and resistance to low temperature (- 40 ' C), and compared to PEX material be not necessarily to additional crosslinking process, be also able to achieve comparable with PE-X Long-term strength, the EVOH oxidation prevention layer with heat-proof polythene coextrusion, is the polymer with best screen effect, meets in national standard It requires as defined in anti-Oxygen permeability, between heat-proof polythene and oxidation prevention layer, there is the adhesive with powerful binding performance Layer, wealthy Sheng floor heating pipeline effectively can prevent oxygen from entering system and cause to corrode, and extend the service life of floor heating pipeline, simultaneously Also the frequency that pipeline accident occurs is fallen below minimum, the stress in curved part can be relaxed quickly, be not in " rebound " phenomenon is convenient for constructing operation, thereby reduces cost of labor, overcome the physical fatigue of staff, improve work Make the working efficiency of personnel, so that the wire inside traditional PE-RT geothermal tube is overcome to reduce the flexible disadvantage of tube body, gram The adjusting processing that existing PE-RT geothermal tube increases tube body rigidity by wire is taken, the single disadvantage of utility function improves The working efficiency and service life of the PE-RT geothermal tube, when avoiding bending pipes, the stress in curved part cannot be very It is relaxed fastly, it may appear that " rebound " phenomenon is not easy to constructing operation, increases difficulty of construction, causes staff is susceptible to arrive The shortcomings that physical fatigue increases the body burden of staff, and tube body lacks the adjustable pipe fitting of fixed installation, also allows More approvals can be commercially available in existing oxygen-resistance type double-layer coextrusion PE-RT geothermal tube, improve oxygen-resistance type bilayer The product quality of co-extrusion PE-RT geothermal tube, saves the purchase cost of user, with avoiding oxygen-resistance type double-layer coextrusion PE-RT The wasting of resources of heat pipe is suitble to promote the use of.

Detailed description of the invention

Fig. 1 is the annexation figure of geothermal tube, conduit saddle and buckle closure；

Fig. 2 is the annexation figure of pedestal, upright bar and conduit saddle；

Fig. 3 is the expanded view of conduit saddle and buckle closure；

Fig. 4 is the A of Fig. 3 to sectional view.

In figure: 1, pedestal, 2, upright bar, 3, conduit saddle, 4, conduit saddle trunnion, 5, buckle closure, 6, buckle closure trunnion, 7, rubber mat, 8, underground heat Pipe, 9, fixation hole, 10, PE-RT external protection, 11, EVOH oxidation prevention layer, the 12, first mounting hole, 13, convex clip, the 14, second installation Hole, 15, first is convex stupefied, and 16, second is convex stupefied.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube, Including pedestal 1, pedestal 1 is plastic material, cheap, reduces construction cost, and the inside of pedestal 1 is equipped with second convex stupefied 16, and Second convex stupefied 16 is in " annular ", and second convex stupefied 16 is evenly distributed on the inner wall of pedestal 1, and second convex stupefied 16 rubs for increasing Power is wiped, keeps the connection between upright bar 2 and pedestal 1 stronger, the inner bottom of pedestal 1 is equipped with convex clip 13, the outside of convex clip 13 It is in " annular " equipped with first convex stupefied 15, and first convex stupefied 15, and first convex stupefied 15 is integrated setting with convex clip 13, and first is convex stupefied 15 are evenly distributed on the outer wall of convex clip 13, and first convex stupefied 15 is used to increase the frictional force between upright bar 2 and convex clip 13, makes Connection between upright bar 2 and pedestal 1 is stronger, and convex clip 13 and pedestal 1 are integrated setting, and upright bar 2 by convex clip 13 and 1 activity grafting of pedestal, and the second mounting hole 14 is equipped at the inside center of convex clip 13, the second mounting hole 14 can cooperate screw to make With, pedestal 1 is fixed on the ground, and screw is connected by the second mounting hole 14 with pedestal 1, and pedestal 1 by screw with Face is connected, and pedestal 1 is in " truncated cone-shaped ", and pedestal 1 is used to install the mounting height that upright bar 2 adjusts conduit saddle 3 and geothermal tube 8, pedestal 1 Inside be equipped with upright bar 2, upright bar 2 is plastic material, and mostly PP-R pipe can be used pipe and cut and cuts to upright bar 2, regulation pipe The height of support 3, and upright bar 2 and 1 activity grafting of pedestal, and the top of upright bar 2 is equipped with conduit saddle 3, conduit saddle 3 is plastic material, is used for Support geothermal tube 8, and the first mounting hole 12 is equipped at the inside center of conduit saddle 3, the first mounting hole 12 can cooperate screw to use, When not using pedestal 1, directly conduit saddle 3 can be fixed on the ground, and the first mounting hole 12 runs through conduit saddle 3, and conduit saddle 3 is interior Wall is equipped with screw thread, and conduit saddle 3 and 2 activity grafting of upright bar, and conduit saddle trunnion 4, conduit saddle branch are equipped at left and right sides of 3 top of conduit saddle Ear 4 is for cooperating buckle closure trunnion 6 that geothermal tube 8 is fixed, and conduit saddle trunnion 4 and conduit saddle 3 are integrated setting, and conduit saddle 3 Inside is equipped with geothermal tube 8, and geothermal tube 8 is using one octene of ethylene as the copolymer of comonomer, in the polymerization to polyethylene The number of branch and distribution carry out moderate control on strand, and PE-RT material is made to have excellent physical and mechanical property, Shenyang gold Leaf Pipe Co., Ltd. PE-RT tubing produced uses the PE-RT special raw material of 100% South Korea SK, ensure that greatest extent The quality of product, and 8 ecto-entad of geothermal tube is successively arranged PE-RT external protection 10 and EVOH oxidation prevention layer 11, and protects outside PE-RT Sheath 10 is connected with the bonding of EVOH oxidation prevention layer 11, and PE-RT external protection 10 can be that 70 deg. C Pressures are in operating temperature Under the conditions of 0.4MPa, can use safely 50 years or more, occur earthquake or it is artificial caused by shift when, do not influence making for tubing With shock resistance is 5 times of PVC-U tubing, and EVOH oxidation prevention layer 11 uses advanced technologies direct extrusion molding, the basis of use Material is heat-proof polythene (PE-RT), remains the flexibility, weldable and resistance to low temperature (- 40 ' C) of polyethylene, and And compared to PEX material be not necessarily to additional crosslinking process, be also able to achieve with the comparable long-term strength of PE-X, with heat-proof polythene co-extrusion EVOH oxidation prevention layer out is the polymer with best screen effect, is met in national standard to requirement as defined in anti-Oxygen permeability, Between heat-proof polythene and oxidation prevention layer, there is the adhesive phase with powerful binding performance, wealthy Sheng floor heating pipeline can effectively hinder Block gas enters system and causes to corrode, and extends the service life of floor heating pipeline, while the frequency for also pipeline accident occur drops Arrive minimum, it is not in " rebound " phenomenon that the stress in curved part can be relaxed quickly, it is convenient for constructing operation, And the top of geothermal tube 8 is equipped with buckle closure 5, buckle closure 5 is plastic material, can be hinged with conduit saddle 3, limit geothermal tube 8 Position and fixed, the inside of buckle closure 5 is equipped with rubber mat 7, and rubber mat 7 is Nian Jie with buckle closure 5 is connected, and rubber mat 7 be used to fill up geothermal tube 8 and Gap between buckle closure 5, and the left and right sides of buckle closure 5 is equipped with buckle closure trunnion 6, using screw by buckle closure trunnion 6 and conduit saddle branch Ear 4 is connected and fixed, and promotes the stability of geothermal tube 8, and buckle closure trunnion 6 and buckle closure 5 are integrated setting, and buckle closure trunnion 6 and conduit saddle trunnion 4 on be provided with fixation hole 9, fixation hole 9 is for installing screw, and buckle closure 5 passes through screw and the hinged phase of conduit saddle 3 Even.

A kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube, the oxygen-resistance type double-layer coextrusion PE-RT geothermal tube is by pedestal 1, upright bar 2, conduit saddle 3, conduit saddle trunnion 4, buckle closure 5, buckle closure trunnion 6, rubber mat 7, geothermal tube 8, fixation hole 9, PE-RT external protection 10, EVOH Oxidation prevention layer 11, the first mounting hole 12, convex clip 13, second the 14, first convex stupefied 15 and second convex composition of the components such as stupefied 16 of mounting hole, The main fit dimension of reply components, especially interference fit size and phase closing precision are checked before assembly, Same Part When being fastened with more than one piece screw (bolt), each screw (bolt) needs to intersect, symmetrically, gradually, uniformly tighten, and when installation, pedestal 1 is pacified Pedestal 1 on the ground, can be fixed on the ground by the second mounting hole 14 using screw, upright bar 2 is mounted on pedestal 1 by dress Inside, the convex clip 13 of 1 bottom of pedestal can limit the displacement of upright bar 2, keep upright bar 2 and the connection of pedestal 1 stronger, upright bar 2 can be geothermal tube 8 or other plastic pipes, and can according to need the suitable plastic pipe of interception height, in order to The height between conduit saddle 3 and pedestal 1 is adjusted, conduit saddle 3 is mounted on to the top of upright bar 2, there is screw thread in the inside of conduit saddle 3, it is ensured that is vertical The stability that bar 2 is connect with conduit saddle 3, the fixation hole 9 at 3 center of conduit saddle is for linking together conduit saddle 3 and pedestal 1, locality When the mounting height of heat pipe 8 does not need be excessively high, upright bar 2 can not be used, is directly passed through conduit saddle 3 and pedestal 1 using screw solid Determine hole 9 and the second mounting hole 14 links together and fixes on the ground, pedestal 1 can also not used, will directly be managed using screw Support 3 fixes on the ground, and the height of geothermal tube 8 is enable arbitrarily to adjust, and construction and installation are convenient, and work efficiency is high, by geothermal tube 8 It is mounted on the inside of conduit saddle 3, buckle closure 5 is buckled in the top of geothermal tube 8, and pass through conduit saddle trunnion 4 and buckle closure trunnion using screw 6, geothermal tube 8 is fixed between conduit saddle 3 and buckle closure 5, the PE-RT external protection 10 of geothermal tube 8 can be 70 in operating temperature Under the conditions of deg. C Pressure is 0.4MPa, can use safely 50 years or more, occur earthquake or it is artificial caused by shift when, not shadow The use of speaking pipe material, shock resistance are 5 times of PVC-U tubing, and the EVOH oxidation prevention layer 11 of geothermal tube 8 is direct using advanced technologies Extrusion molding, the basic material used remain the flexibility of polyethylene, weldable and resistance to for heat-proof polythene (PE-RT) Cryogenic property (- 40 ' C), and it is not necessarily to additional crosslinking process compared to PEX material, it is also able to achieve comparable long-term strong with PE-X Degree, the EVOH oxidation prevention layer with heat-proof polythene coextrusion, is the polymer with best screen effect, meets in national standard to oxygen It is required as defined in permeability to gas, between heat-proof polythene and oxidation prevention layer, there is the adhesive phase with powerful binding performance, wealthy Sheng Floor heating pipeline effectively can prevent oxygen from entering system and cause to corrode, and extend the service life of floor heating pipeline, while also will pipe The frequency that road accident occurs falls below minimum, and it is not in " rebound " that the stress in curved part can be relaxed quickly Phenomenon is convenient for constructing operation, completes the installment work of the oxygen-resistance type double-layer coextrusion PE-RT geothermal tube.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", The orientation or position of the instructions such as " middle part ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube, including pedestal (1), and pedestal (1) is in " truncated cone-shaped ", feature exists In: the inside of the pedestal (1) is equipped with upright bar (2), and upright bar (2) and pedestal (1) activity grafting, and the top of upright bar (2) is set Have conduit saddle (3), and be equipped with the first mounting hole (12) at the inside center of conduit saddle (3), and the first mounting hole (12) runs through conduit saddle (3), and the inner wall of conduit saddle (3) is equipped with screw thread, and conduit saddle (3) and upright bar (2) activity grafting, and the left and right two on conduit saddle (3) top Side is equipped with conduit saddle trunnion (4), and conduit saddle trunnion (4) and conduit saddle (3) are integrated setting, and the inside of conduit saddle (3) is equipped with underground heat It manages (8), and geothermal tube (8) ecto-entad is successively arranged PE-RT external protection (10) and EVOH oxidation prevention layer (11), and outside PE-RT Protective layer (10) is connected with EVOH oxidation prevention layer (11) bonding, and the top of geothermal tube (8) is equipped with buckle closure (5), and a left side for buckle closure (5) Right two sides are equipped with buckle closure trunnion (6), and buckle closure trunnion (6) and buckle closure (5) are integrated setting, and buckle closure trunnion (6) and conduit saddle It is provided on trunnion (4) fixation hole (9), and buckle closure (5) is hinged and connected by screw with conduit saddle (3).

2. a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube according to claim 1, it is characterised in that: the pedestal (1) Inner bottom be equipped with convex clip (13), and convex clip (13) and pedestal (1) are integrated setting, and upright bar (2) by convex clip (13) and Pedestal (1) activity grafting, and the second mounting hole (14) are equipped at the inside center of convex clip (13), and screw passes through the second mounting hole (14) it is connected with pedestal (1), and pedestal (1) is connected by screw with ground.

3. a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube according to claim 1, it is characterised in that: the buckle closure (5) Inside be equipped with rubber mat (7), and rubber mat (7) is Nian Jie with buckle closure (5) connected, and rubber mat (7) is used to fill up geothermal tube (8) and buckle closure (5) gap between.

4. a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube according to claim 1, it is characterised in that: the pedestal (1) Inside be equipped with second convex stupefied (16), and second convex stupefied (16) are in " annular ", and second convex stupefied (16) are evenly distributed on pedestal (1) Inner wall on, and second convex stupefied (16) keep the connection between upright bar (2) and pedestal (1) stronger for increasing frictional force.

5. a kind of oxygen-resistance type double-layer coextrusion PE-RT geothermal tube according to claim 2, it is characterised in that: the convex clip (13) outside is equipped with first convex stupefied (15), and first convex stupefied (15) are in " annular ", and first convex stupefied (15) are with convex clip (13) It is wholely set, and first convex stupefied (15) are evenly distributed on the outer wall of convex clip (13), and first convex stupefied (15) are vertical for increasing Frictional force between bar (2) and convex clip (13) keeps the connection between upright bar (2) and pedestal (1) stronger.