阅读说明：本技术 一种保温管用非金属防水密封装置 (Non-metal waterproof sealing device for heat-insulating pipe ) 是由 王金葆 于 2020-08-03 设计创作，主要内容包括：本发明提供一种保温管用非金属防水密封装置,所述保温管用非金属防水密封装置包括有支撑环、橡胶套以及支撑管道；所述支撑环应用于保温管上,所述保温管包括基础管以及由内至外依次套装于基础管上的聚氨酯保温层和PE保护壳,所述支撑环通过缠绕方式缠绕于基础管上一端并通过橡胶套与支撑管道相连接。基于以上各机构的相互配合,可有效保证保温管在井室中应用时与井室连接处的密封效果,从而提高了井室防水工作的效率与稳定性。(The invention provides a non-metal waterproof sealing device for an insulating pipe, which comprises a support ring, a rubber sleeve and a support pipeline, wherein the support ring is arranged on the support ring; the support ring is applied to the heat preservation pipe, the heat preservation pipe includes basic pipe and from interior to exterior in proper order suit polyurethane heat preservation and the PE protective housing on basic pipe, the support ring twines one end on basic pipe and is connected with the support pipeline through the rubber sleeve through the winding mode. Based on the mutual cooperation of above each mechanism, can effectively guarantee the sealed effect of insulating tube and well room junction when using in the well room to the efficiency and the stability of well room waterproof work have been improved.)

1. The utility model provides a non-metal waterproof sealing device for insulating tube which characterized in that: comprises a support ring (1), a rubber sleeve (5) and a support pipeline (6); the support ring (1) is applied to a heat-insulating pipe, the heat-insulating pipe comprises a base pipe (2), and a polyurethane heat-insulating layer (3) and a PE protective shell (4) which are sequentially sleeved on the base pipe (2) from inside to outside, the supporting ring (1) is wound on one end of the base pipe (2) in a winding mode and is connected with the supporting pipeline (6) through a rubber sleeve (5) and a hoop, one end of the rubber sleeve (5) is hooped on the supporting ring (1) by the hoop, the supporting ring (1) is used for strengthening the supporting force at the joint of the heat preservation pipe and the rubber sleeve (5), the supporting pipeline (6) is partially poured in the well wall (7), the heat preservation pipe penetrates through the inside of the supporting pipeline (6) and one end of the heat preservation pipe with the supporting ring (1) extends out of the supporting pipeline (6), the other end of the rubber sleeve (5) is fixedly connected with the supporting pipeline (6) through a hoop.

2. The non-metallic waterproof sealing device for the heat-insulating pipe according to claim 1, wherein: the PE protective shell is characterized in that two sides of an outer ring of the support ring (1) are coated on the PE protective shell (4), and a sealing ring (10) is installed between the outer ring of the support ring (1) and the outer side of the PE protective shell (4).

3. The non-metallic waterproof sealing device for the heat-insulating pipe according to claim 1, wherein: the support ring (1) is wound between the base pipe (2) and the PE protective shell (4), and the PE protective shell (4) above the support ring (1) is fixedly connected with one end of the rubber sleeve (5) through an auxiliary fixing ring (8).

4. The non-metallic waterproof sealing device for the heat-insulating pipe according to claim 3, wherein: and one end of the auxiliary fixing ring (8) is wound at one end of the rubber sleeve (5), and the other end of the auxiliary fixing ring (8) is wound on the PE protective shell (4).

5. The non-metallic waterproof sealing device for the heat-insulating pipe according to claim 4, wherein: and a positioning groove (9) for assisting in fixing the auxiliary fixing ring (8) is arranged on one side of the rubber sleeve (5) on the PE protective shell (4).

6. The non-metallic waterproof sealing device for the heat-insulating pipe according to claim 1, wherein: the rubber sleeve (5) is provided with at least one corrugation.

Technical Field

The invention relates to the technical field of heat preservation pipes, in particular to a non-metal waterproof sealing device for a heat preservation pipe.

Background

At present, in the waterproof problem of well room is solved to standard polyurethane insulating tube, current sealing device direct mount seals the product on the PE protective housing of insulating tube (often as clamp formula rubber sleeve is one kind), but because PE protective housing and polyurethane insulating layer hardness are lower, lock the insulating tube through the clamp and often can lead to the PE protective housing invagination to take place the seepage, thereby make unable effectual realization resistance to compression sealing connection between this sealing device and the insulating tube, and then lead to surpassing under 6 meters's the condition at the water level degree of depth, hardly realize the waterproof problem of well room and pipe connection department. Therefore, how to ensure the tightness between the connection of the heat preservation pipe and the well chamber is a problem which still needs to be solved at present.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a non-metal waterproof sealing device for a heat-insulating pipe.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the invention provides a non-metal waterproof sealing device for a heat-insulating pipe, which comprises a support ring, a rubber sleeve and a support pipeline, wherein the support ring is arranged on the support ring; the utility model discloses a heat preservation pipe, including the support ring, the support ring is applied to on the insulating tube, the insulating tube includes basic pipe and from interior to exterior suit polyurethane heat preservation and PE protective housing on basic pipe in proper order, the support ring twines one end on basic pipe through winding mode and is connected with the support tube through rubber sleeve, clamp, and the clamp cramps rubber sleeve one end on the support ring, the support ring is used for strengthening the holding power of insulating tube and rubber sleeve junction, the support tube part is pour in the wall of a well, the insulating tube passes inside and the insulating tube of support tube has support ring one end to stretch out outside the support tube, the rubber sleeve other end passes through clamp and support tube fixed connection.

Preferably, the two sides of the outer ring of the support ring are coated on the PE protective shell, and a seal ring is arranged between the outer ring of the support ring and the outer side of the PE protective shell.

Preferably, the support ring is wound between the base pipe and the PE protective shell, and the PE protective shell above the support ring is fixedly connected with one end of the rubber sleeve through an auxiliary fixing ring.

Preferably, the one end of supplementary solid fixed ring twine in the one end of rubber sleeve, the other end winding of supplementary solid fixed ring is connected on the PE protective housing.

Preferably, a positioning groove for assisting in fixing the auxiliary fixing ring is formed in one side of the rubber sleeve on the PE protective shell.

Preferably, the rubber sleeve is provided with at least one corrugation.

The invention has the advantages and positive effects that:

the support ring has replaced among the prior art on the insulating tube with the polyurethane heat preservation and the PE protective housing of rubber sleeve junction, the material hardness that the support ring chooseed for use is higher, and rubber sleeve accessible clamp effect is stably connected with the insulating tube, has effectively avoided among the prior art the insulating tube skin to take place because of the low and too big condition of invagination seepage of clamp tightening force of hardness to guaranteed even under the water level degree of depth surpasss the condition of 6 meters, the insulating tube still can keep encapsulated situation with the junction of rubber sleeve, thereby improved the water-proof effects of insulating tube when using in the well room.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;

fig. 3 is a schematic view of a sealing device in the prior art.

In the figure: 1. a support ring; 2. a base pipe; 3. a polyurethane heat-insulating layer; 4. a PE protective shell; 5. a rubber sleeve; 6. supporting the pipeline; 7. a well wall; 8. an auxiliary fixing ring; 9. positioning a groove; 10. and (5) sealing rings.

Detailed Description

The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:

as shown in fig. 1 and 3, the invention provides a non-metallic waterproof sealing device for an insulating pipe, which is applied to an insulating pipe for well chamber waterproofing, in the prior art, because the hardness of a PE protective shell 4 of the insulating pipe and a polyurethane insulating layer 3 inside the protective shell is low, the PE protective shell 4 is often sunken to cause leakage when the insulating pipe is locked by a hoop, so that the conventional sealing device and the insulating pipe cannot be effectively connected in a pressure-resistant sealing manner. Therefore, the invention provides a non-metal waterproof sealing device for a heat preservation pipe, which realizes the effect of improving the sealing performance between the connection of the heat preservation pipe and a well chamber. The non-metal waterproof sealing device for the heat-insulating pipe comprises a support ring 1, a rubber sleeve 5 and a support pipeline 6; support ring 1 is applied to on the insulating tube, the insulating tube includes basic pipe 2 and from interior to exterior suit polyurethane heat preservation 3 and PE protective housing 4 on basic pipe 2 in proper order, support ring 1 twines one end on basic pipe 2 through winding mode and is connected with support tube way 6 through rubber sleeve 5, clamp, and the clamp cramps 5 one end of rubber sleeve on support ring 1, support ring 1 is used for strengthening the holding power of insulating tube and 5 junctions of rubber sleeve, 6 parts of support tube are pour in the wall of a well 7, the insulating tube passes inside and the insulating tube of support tube way 6 and has 1 one end of support ring to stretch out outside support tube way 6, the 5 other ends of rubber sleeve pass through clamp and 6 fixed connection of support tube way. In an embodiment of the present invention, the material of the rubber sleeve 5 is specifically ethylene propylene diene monomer, and the material has excellent ozone resistance, heat resistance, weather resistance and other aging resistance, so as to improve the stability of the nonmetal waterproof sealing device for the heat preservation pipe.

Specifically, a pipeline flange is fixed on the supporting pipeline 6, the pipeline flange is positioned in the middle of a wall body of a well wall 7, one end, connected with the pipeline flange, of the supporting pipeline 6 is poured into the well wall 7, and the other end of the supporting pipeline 6 extends out of the well wall 7, so that the supporting pipeline 6 is fixedly connected with the well wall 7; one end of the heat preservation pipe with the support ring 1 extends out of the support pipeline 6, one end of the rubber sleeve 5 is sleeved outside the support ring 1, and the other end of the rubber sleeve is sleeved outside one end of the support pipeline 6 extending out of the well wall 7, so that the heat preservation pipe is connected with the support pipeline 6. It needs to be supplemented that an annular compensation gap is arranged between the supporting pipeline 6 and the heat preservation pipe, and the annular compensation gap is used for realizing thermal displacement compensation of the heat preservation pipe. The rubber sleeve 5 is provided with at least one corrugation, the wave trough of the corrugation is used for realizing thermal displacement compensation of the heat preservation pipe, and the number of the corrugations can be selected according to actual conditions.

Further, as shown in fig. 1, two sides of the outer ring of the support ring 1 are covered on the PE protection shell 4, and a seal ring 10 is disposed between the outer ring of the support ring 1 and the outer side of the PE protection shell 4. What need supplement is, be equipped with on the PE protective housing 4 of support ring 1 both sides with sealing washer 10 matched with annular seal groove, sealing washer 10 is fixed in the seal groove, the groove width of seal groove cooperatees with the width of sealing washer 10, and the groove depth of seal groove is less than the protruding height of sealing washer 10, support ring 1 covers sealing washer 10 completely in winding process, makes sealing washer 10 can compensate because of the gap that thermal displacement produced between support ring 1 and the PE protective housing 4, thereby has realized that sealing washer 10 improves the effect of leakproofness between support ring 1 and the PE protective housing 4.

Specifically, in this embodiment, the sealing ring 10 is first sleeved on the annular sealing groove of the PE protective shell 4, and then the support ring 1 is wound on the base pipe 2 by a winding method. Support ring 1 is glass steel winding ring to adopt combined material to constitute, combined material's coefficient of thermal expansion is between the coefficient of thermal expansion of basic pipe 2 and PE protective housing 4, and in the use, hot water has flowed through in the insulating tube, basic pipe 2 is heated and then expands outward, support ring 1 is heated back and inwards expands to realize strengthening sealed effect, and the temperature is higher the sealing performance of basic pipe 2 and support ring 1 junction is better. Specifically, in this embodiment, the composite material is divided into a glass fiber layer and a filler layer, the glass fiber layer is made of glass fiber, and it should be emphasized that the component ratio of the glass fiber layer to the filler layer may refer to the component ratio of a glass fiber reinforced plastic winding ring in the prior art, that is, the filler layer is formed by stirring silica and resin according to a mass ratio of 10:1, and the filler layer is added with an accelerator and a curing agent according to actual use conditions during use, and the ratio of the resin, the accelerator and the curing agent may be selected to be 100:1:1 according to the mass ratio in this embodiment. In the production process, the glass fiber layer is wound on the base pipe 2 through a glass fiber reinforced plastic winding device, and when the glass fiber layer passes through the glass fiber reinforced plastic winding equipment, a filler layer is attached to the glass fiber layer, so that the glass fiber layer and the filler layer can be wound on the base pipe 2 together, when the glass fiber layer is wound to the outer diameter equal to the outer diameter of the PE protective shell 4, the glass fiber layer is driven by the glass fiber reinforced plastic winding equipment to move to two sides in sequence and wind a plurality of circles, so that the glass fiber layer and the filler layer attached to the glass fiber layer are covered on the sealing ring 10 and the PE protective shell 4, in the winding process, the filler layer can effectively make up gaps between the glass fiber layer and the base pipe 2, the polyurethane heat-insulating layer 3 and the PE protective shell 4 respectively, thereby ensuring the sealing performance between the support ring 1 and the polyurethane heat-insulating layer 3 and the PE protective shell 4. At the moment, the support ring 1 and the base pipe 2, the polyurethane heat-insulating layer 3 and the PE protective shell 4 which are arranged on the two sides of the support ring 1 are fixedly connected, so that the sealing performance between the support ring 1 and the heat-insulating pipe is ensured.

Further, in the second embodiment of the present invention, as shown in fig. 2, the support ring 1 is wound between the base pipe 2 and the PE protective shell 4, and the PE protective shell 4 above the support ring 1 is fixedly connected to the rubber sleeve 5 through an auxiliary fixing ring 8, so as to ensure that the PE protective shell 4 is not damaged, and the occurrence of the event that the PE protective shell 4 is easy to sink and leak due to low hardness when the PE protective shell 4 and the rubber sleeve 5 are connected by a hoop in the prior art is effectively avoided. It should be added that, in this embodiment, the auxiliary fixing ring 8 is specifically a glass fiber reinforced plastic winding ring, i.e. a fiberglass impregnated tape with high temperature resistant resin is wound on the rubber sleeve 5 and the PE protection shell 4 to form the auxiliary fixing ring 8.

Further, as shown in fig. 2, one end of the auxiliary fixing ring 8 is wound around one end of the rubber sleeve 5, and the other end of the auxiliary fixing ring 8 is wound around and connected to the PE protection shell 4

Further, as shown in fig. 2, a positioning groove 9 for assisting in fixing the auxiliary fixing ring 8 is arranged on the PE protective shell 4, specifically, the positioning groove 9 is arranged around the PE protective shell 4, a plurality of positioning grooves 9 can be opened, and the specific number of the positioning grooves 9 should be selected according to actual requirements.

In the second embodiment of the present invention, the support ring 1 is wound between the base pipe 2 and the PE protective shell 4, during the production process, a worker firstly winds the support ring 1 on the base pipe 2, then sprays the polyurethane insulation layer 3 on the exposed part of the base pipe 2, the polyurethane insulation layer 3 and the support ring 2 have the same outer diameter, and finally installs the PE protective shell 4, thereby achieving the effect of installing the support ring 1 without damaging the PE protective shell 4. At this time, in order to ensure the sealing performance between the rubber sleeve 5 and the PE protective shell 4, the invention provides an auxiliary fixing ring 8, the auxiliary fixing ring 8 is wound around the joint between the rubber sleeve 5 and the thermal insulation pipe, and one end of the auxiliary fixing ring 8 is embedded in a positioning groove 9 on the PE protective shell 4, when the thermal insulation pipe generates thermal displacement and drives the rubber sleeve 5 to move or deform, the auxiliary fixing ring 8 is annularly wrapped outside the rubber sleeve 5, so that outward tension of the rubber sleeve 5 can be uniformly shared, and displacement of the rubber sleeve 5 due to deformation can be comprehensively limited, thereby ensuring the sealing performance between the PE protective shell 4, the rubber sleeve 5 and the auxiliary fixing ring 8, and simultaneously effectively preventing the PE protective shell 4 from sinking. In this embodiment, the support ring 1 is also made of a composite material, the thermal expansion coefficient of the composite material is between the thermal expansion coefficients of the base pipe 2 and the PE protective shell 4, the composite material is made of a mixture of glass fiber, resin and silica, and the specific component ratio thereof can refer to the component ratio of the glass fiber reinforced plastic winding ring in the prior art.

The working process of the invention is as follows:

the insulating tube is applied to in the well chamber, and it has hot water to flow through in the insulating tube, the insulating tube passes the wall of a well 7 and stretches out in the 6 outsides of supporting tube through supporting tube 6, is equipped with the hoop compensation clearance between supporting tube 6 and the insulating tube, is connected through rubber sleeve 5 between insulating tube and the supporting tube 6, and the groundwater of the 7 one sides of the wall of a well gets into through the hoop compensation clearance in the nonmetal waterproof sealing device for the insulating tube to by the separation in rubber sleeve 5 and insulating tube junction, thereby realize water-proof effects. The utility model discloses a sealing device for a well, including insulating tube and rubber sleeve, the insulating tube adopts support ring 1 with 5 junctions of rubber sleeve, the design of support ring 1 makes insulating tube and 5 junctions of rubber sleeve have enough strong hardness in order to support clamp connection between insulating tube and the rubber sleeve 5 to can effectively solve the too big PE shell deformation phenomenon that causes of clamp locking strength, and then make and to keep sealing connection's effect throughout between insulating tube and the rubber sleeve 5, thereby realized through support ring 1 improves the effect of the leakproofness between insulating tube and the well room are connected.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.