CN216242802U

CN216242802U - Insulating tube convenient to connect

Info

Publication number: CN216242802U
Application number: CN202122440753.2U
Authority: CN
Inventors: 李运杰; 王伟; 李军雷
Original assignee: Tangshan Renke Technology Co ltd
Current assignee: Tangshan Renke Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-08
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a conveniently-connected heat preservation pipe, which comprises two heat preservation pipes, wherein a pipe body of each heat preservation pipe is sequentially provided with a working pipe, a heat preservation layer and an outer protection pipe from inside to outside, the heat preservation pipe also comprises a connecting sleeve, the connecting sleeve is fixed at one end, connected with each other, of the two heat preservation pipes, an annular first sealing groove is arranged in the middle of the inner side wall of the connecting sleeve, a first sealing ring is arranged in the first sealing groove, an annular pressure cavity is arranged in the first sealing ring, an opening is arranged on the inner side wall of the first sealing ring, one side of the opening is communicated with the annular pressure cavity, and the other side of the opening corresponds to a butt seam of the two heat preservation pipes. The utility model has the advantages of simple structure, convenient assembly, better sealing effect and stronger practicability.

Description

Insulating tube convenient to connect

Technical Field

The utility model relates to the technical field of heat preservation pipes, in particular to a heat preservation pipe convenient to connect.

Background

When the heat preservation pipe is installed, one section of pipe is required to be in butt joint connection with the other section of pipe, and in the butt joint treatment process, if the treatment is not good, the sealing is not good, the leakage of media in the pipeline influences the conveying of the media. The butt joint mode that uses at present generally adopts welding or to hug closely with hugging closely after the butt joint, and there is the operation inconveniently in this kind of butt joint mode of welding, and is inefficient, is difficult to the maintenance scheduling problem, tightly embraces this kind of mode and has the poor problem of leakproofness, and can't overcome the pipeline and lead to the not hard up problem of mouth of pipe because of expend with heat and contract with cold, often can lead to butt joint department leakage medium.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thermal insulation pipe convenient to connect aiming at the defects of the prior art.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a thermal insulation pipe of convenient connection, includes two thermal insulation pipes, the body of thermal insulation pipe is set gradually to working pipe, heat preservation and outer pillar by interior to exterior, still includes adapter sleeve, adapter sleeve is fixed in two thermal insulation pipe interconnect's one end, adapter sleeve inside wall middle part is provided with annular first seal groove, be provided with first sealing ring in the first seal groove, the inside annular pressure chamber that is provided with of first sealing ring, be provided with the opening on the first sealing ring inside wall, open-ended one side and annular pressure chamber intercommunication, the open-ended opposite side is corresponding with the butt joint seam of two thermal insulation pipes.

Furthermore, be provided with fixed seal ring on the inside wall of first sealing ring, two correspond on the insulating tube and be provided with the fixed slot, fixed seal ring joint in the fixed slot.

Furthermore, two sides of the opening of the first sealing ring are inclined inwards in a slope shape.

Further, be provided with the second seal groove on the lateral wall of insulating tube, be provided with the second sealing ring in the second seal groove, be provided with first clamping ring on the lateral wall of insulating tube, be provided with first fender ring on connecting sleeve's the inside wall, the second sealing ring presss from both sides and locates between first clamping ring and the first fender ring.

Further, be provided with the third seal groove on the lateral wall of insulating tube, be provided with the third sealing ring in the third seal groove, be provided with the second clamping ring on the lateral wall of insulating tube, be provided with the second on the connecting sleeve's the inside wall and keep off the ring, the third sealing ring presss from both sides and locates second clamping ring and second keep off between the ring.

Furthermore, the connecting sleeve is formed by folding two half pipes, connecting plates are symmetrically arranged on two side edges of each half pipe, screw holes are formed in the connecting plates, and the two half pipes are fixed in a folding mode through bolts and nuts.

Furthermore, a fourth sealing groove is formed in the inner side wall of the connecting plate along the length direction of the connecting sleeve, and a sealing strip is arranged in the fourth sealing groove.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the two heat-insulating pipes are fixed by the connecting sleeve, the connecting sleeve is formed by folding the two half pipes, the mounting and the dismounting are convenient and quick, the first sealing ring is arranged in the middle of the connecting sleeve, the annular sealing cavity is arranged in the first sealing ring, and the first sealing ring is connected with the butt seam of the two heat-insulating pipes through the opening, so that leaked liquid enters the annular pressure cavity, the first sealing ring is spread to be tightly attached to the heat-insulating pipes, and the liquid is prevented from continuously leaking outwards; the second sealing ring and the third sealing ring are sequentially arranged on two sides of the first sealing ring, and the clamping is tighter and tighter under the condition that the pressure is higher, so that the sealing effect is better; the utility model has the advantages of simple structure, convenient assembly, better sealing effect and stronger practicability.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a heat preservation pipe; 2. connecting a sleeve; 3. a first seal ring; 4. an annular pressure chamber; 5. fixing a sealing ring; 6. a second seal ring; 7. a first pressure ring; 8. a first retainer ring; 9. a third seal ring; 10. a second pressure ring; 11. a second retainer ring; 12. a connecting plate; 13. a bolt; 14. a nut; 15. a sealing strip.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figures 1-3, the utility model is a specific embodiment of a conveniently-connected heat preservation pipe, comprising two heat preservation pipes 1 which are butted, wherein the pipe body of each heat preservation pipe 1 is sequentially provided with a working pipe, a heat preservation layer and an outer protection pipe from inside to outside, the utility model further comprises a connecting sleeve 2, the connecting sleeve 2 is fixed at one end of the two heat preservation pipes 1 which are mutually connected, the connecting end of the two heat preservation pipes is fixed and sealed, an annular first sealing groove is arranged in the middle of the inner side wall of the connecting sleeve 2, a first sealing ring 3 is arranged in the first sealing groove, an annular pressure cavity 4 is arranged in the first sealing ring 3, an opening is arranged on the inner side wall of the first sealing ring 3, one side of the opening is communicated with the annular pressure cavity 4, the other side of the opening corresponds to the butt joint of the two heat preservation pipes 1, and can enter the annular pressure cavity 4 of the first sealing ring 3 even if liquid leakage exists, the first sealing ring 3 is propped open to be tightly attached to the heat preservation pipe, so that the liquid is prevented from continuously leaking outwards.

Further, be provided with stationary seal ring 5, two on the inside wall of first sealing ring 3 the last correspondence of insulating tube 1 is provided with the fixed slot, stationary seal ring 5 joint in the fixed slot, stationary seal ring 5 and fixed slot cooperate, and fixed first sealing ring 3 prevents the displacement on the one hand, and on the other hand also can play sealed effect, prevents that liquid from leaking.

Furthermore, two sides of the opening of the first sealing ring 3 are inclined inwards to form a slope, so that the leaked liquid can tightly press the first sealing ring to be tightly attached to the heat preservation pipe, and the liquid is prevented from continuously leaking outwards.

Further, be provided with the second seal groove on the lateral wall of insulating tube 1, be provided with second sealing ring 6 in the second seal groove, be provided with first clamping ring 7 on the lateral wall of insulating tube 1, be provided with first fender ring 8 on the inside wall of connecting sleeve 2, second sealing ring 6 presss from both sides and locates between first clamping ring 7 and the first fender ring 8. When the external force effect or carry high-pressure liquid or expend with heat and contract with cold's the condition under, two insulating tubes can have the micro-displacement to the opposite direction, and at this moment, first clamping ring 7 and first fender ring 8 compress tightly second sealing ring 6, and power is big more, and is sealed better, prevents to reveal.

Further, be provided with the third seal groove on the lateral wall of insulating tube 1, be provided with third sealing ring 9 in the third seal groove, be provided with second clamping ring 10 on the lateral wall of insulating tube 1, be provided with second fender ring 11 on the inside wall of connecting sleeve 2, third sealing ring 9 presss from both sides and locates between second clamping ring 10 and the second fender ring 11. Second clamping ring 10 and second fender ring 11 can compress tightly third sealing ring 9, and is the same with second sealing ring 6 effect, double seal, and the effect is better.

Furthermore, the connecting sleeve 2 is formed by folding two half pipes, a connecting plate 12 is symmetrically arranged on two side edges of each half pipe, a screw hole is formed in the connecting plate 12, and the two half pipes are folded and fixed through a bolt 13 and a nut 14, so that the dismounting is convenient and fast.

Further, follow on the connecting plate 12 inside wall 2 length direction is provided with the fourth seal groove, be provided with sealing strip 15 in the fourth seal groove, prevent that half pipe from closing the department and leaking, reinforcing sealed effect.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an insulating tube of convenient connection, includes two insulating tubes (1), the body of insulating tube (1) is by interior to setting gradually working tube, heat preservation and outer pillar outward, its characterized in that still includes connecting sleeve (2), connecting sleeve (2) are fixed in two insulating tube (1) interconnect's one end, connecting sleeve (2) inside wall middle part is provided with annular first seal groove, be provided with first sealing ring (3) in the first seal groove, first sealing ring (3) inside is provided with annular pressure chamber (4), be provided with the opening on first sealing ring (3) inside wall, open-ended one side and annular pressure chamber (4) intercommunication, the open-ended opposite side is corresponding with the butt joint seam of two insulating tubes (1).

2. The easy-to-connect heat preservation pipe as claimed in claim 1, wherein the inner side wall of the first sealing ring (3) is provided with a fixed sealing ring (5), two heat preservation pipes (1) are correspondingly provided with fixing grooves, and the fixed sealing ring (5) is clamped in the fixing grooves.

3. An easily connected heat-insulating pipe as claimed in claim 2, characterized in that the two sides of the opening of the first sealing ring (3) are inclined inwards in a slope shape.

4. The heat-insulating pipe convenient to connect according to claim 1, wherein a second sealing groove is formed in the outer side wall of the heat-insulating pipe (1), a second sealing ring (6) is arranged in the second sealing groove, a first pressing ring (7) is arranged on the outer side wall of the heat-insulating pipe (1), a first retaining ring (8) is arranged on the inner side wall of the connecting sleeve (2), and the second sealing ring (6) is clamped between the first pressing ring (7) and the first retaining ring (8).

5. The heat-insulating pipe convenient to connect as claimed in claim 4, wherein a third sealing groove is arranged on the outer side wall of the heat-insulating pipe (1), a third sealing ring (9) is arranged in the third sealing groove, a second pressing ring (10) is arranged on the outer side wall of the heat-insulating pipe (1), a second retaining ring (11) is arranged on the inner side wall of the connecting sleeve (2), and the third sealing ring (9) is clamped between the second pressing ring (10) and the second retaining ring (11).

6. The heat-insulating pipe convenient to connect as claimed in claim 1, wherein the connecting sleeve (2) is formed by two half pipes which are folded together, connecting plates (12) are symmetrically arranged on two side edges of each half pipe, screw holes are arranged on the connecting plates (12), and the two half pipes are folded and fixed through bolts (13) and nuts (14).

7. The conveniently-connected heat-insulating pipe as claimed in claim 6, wherein a fourth sealing groove is arranged on the inner side wall of the connecting plate (12) along the length direction of the connecting sleeve (2), and a sealing strip (15) is arranged in the fourth sealing groove.