CN214579455U

CN214579455U - Novel heat-insulating pipeline

Info

Publication number: CN214579455U
Application number: CN202120746314.1U
Authority: CN
Inventors: 毕文斌; 毕国青; 潘兴琼; 颜艳双
Original assignee: Tangshan Xiangjin Machinery Installation Engineering Co ltd
Current assignee: Tangshan Xiangjin Machinery Installation Engineering Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-02
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a thermal insulation pipeline technical field especially relates to a novel thermal insulation pipeline. The pipeline sealing device comprises pipeline units and fasteners for connecting the pipeline units together, wherein a sealing gasket is arranged between every two adjacent pipeline units. The pipeline unit comprises an inner pipe, a first end and a second end are arranged at two ends of the inner pipe respectively, and first grooves are formed in the inner sides of the first end and the second end. The fastening piece comprises a first fastening piece and a second fastening piece, a third groove is formed in the inner surface of the first fastening piece, and a first extending end with a first through hole is formed in each of two ends of the first fastening piece; the inner surface of the second fastening piece is provided with a fourth groove, the two ends of the second fastening piece are provided with second extending ends with second through holes, and the first inserting plate can be inserted into the first through hole and the second through hole to be fixed when the first through hole and the second through hole are aligned. The utility model discloses than welding mode weak point consuming time when the pipeline unit connects to the junction volume is little than the flange connection, and the junction heat preservation can be thicker, and it is effectual to keep warm.

Description

Novel heat-insulating pipeline

Technical Field

The utility model relates to a thermal insulation pipeline technical field especially relates to a novel thermal insulation pipeline.

Background

The heat-insulating pipeline is generally used for transmitting hot water, and because the heat-insulating pipeline has a good heat-insulating effect, the heat of the hot water in the heat-insulating pipeline is radiated to the outside less, and the heat loss is less. In practical application, the heat preservation pipeline is a relatively long pipeline formed by connecting a plurality of pipeline units together, the mode of connecting the pipeline units together in the prior art is welding or flange connection, but the welding consumes a relatively long time and has relatively low efficiency; the volume ratio of flange is bigger, under the certain condition of the internal diameter of outer tube, leads to the corresponding attenuation of heat preservation here, influences the heat preservation effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, it is not enough to the technique that exists above-mentioned, a novel heat preservation pipeline is provided, the adoption sets up first end and second end at the both ends of inner tube, position inboard at first end and second end sets up first recess, first fastener and second fastener can block the first end and the second end of two adjacent pipeline units, thereby link together pipeline unit, be provided with the through-hole on first fastener and the second fastener, thereby can insert first picture peg in the through-hole and fix first fastener and second fastener together, this structure is than welding mode weak point consuming time when pipeline unit connects, and the junction volume is little than flange joint, the junction heat preservation can be thicker, it is effectual to keep warm.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a novel heat preservation pipeline comprises pipeline units and fasteners for connecting the pipeline units together, wherein a sealing gasket is arranged between every two adjacent pipeline units. The pipeline unit comprises an inner pipe, a heat preservation layer and an outer pipe are sequentially arranged outside the inner pipe, a first end and a second end are respectively arranged at two ends of the inner pipe, a first groove is formed in the inner pipe at the inner side position of the first end and the inner side position of the second end, and a first inclined plane is arranged on the outer side of the first groove. The fastening piece comprises a first fastening piece, a second fastening piece, a first inserting plate and a second inserting plate, a third groove is formed in the inner surface of the first fastening piece, first extending ends are arranged at two ends of the first fastening piece, and first through holes are formed in the first extending ends; the inner surface of the second fastening piece is provided with a fourth groove, two ends of the second fastening piece are provided with second extending ends, the second extending ends are provided with second through holes, and square rings are arranged on two sides of each second extending end at positions corresponding to the second through holes; the cross sections of the third groove and the fourth groove are the same in shape, and second inclined planes with the same inclination as the first inclined planes are arranged on two sides of the third groove and the fourth groove; when the first through hole and the second through hole are aligned during fastening, the first inserting plate can be inserted into the first through hole and the second inserting plate can be inserted into square rings on two sides of the second extending end and located on the outer side of the first inserting plate, and therefore the first inserting plate is prevented from falling off.

Further optimize this technical scheme, the terminal surface of first end is provided with the second recess.

Further optimize this technical scheme, the cross section of first through-hole and second through-hole is the same and be the rectangle, the cross section of first picture peg is the same with first through-hole, four arriss of first picture peg one end are provided with the chamfer.

Further optimizing the technical scheme, the position of the second extending end provided with the square ring is processed into a plane.

Compared with the prior art, the utility model has the advantages of it is following: 1. compared with a welding mode, the structure has the advantages that the time consumption is short when the pipeline units are connected, the efficiency is high, the volume of the connecting position is smaller than that of a flange, the heat-insulating layer of the connecting position can be thicker, and the heat-insulating effect is good; 2. the terminal surface of first end is provided with the second recess, the installation of sealed pad of being convenient for.

Drawings

Fig. 1 is a schematic view of a pipeline unit structure of a novel heat preservation pipeline.

Fig. 2 is an enlarged view taken at i in fig. 1.

Fig. 3 is a schematic view of a connection structure of a novel heat preservation pipeline.

Fig. 4 is an enlarged view at ii in fig. 3.

FIG. 5 is a schematic view of the first and second fasteners when installed together.

Fig. 6 is a schematic structural diagram of a fastener of a novel heat preservation pipeline.

Fig. 7 is a schematic structural diagram of a mounting tool for a novel heat preservation pipeline.

In the figure: 1. an inner tube; 11. a first groove; 111. a first inclined plane; 12. a first end; 121. a second groove; 13. a second end; 2. a heat-insulating layer; 3. an outer tube; 4. a first fastener; 41. a third groove; 411. a second inclined plane; 42. a first protruding end; 43. a first through hole; 5. a second fastener; 51. a fourth groove; 52. a second protruding end; 53. a second through hole; 54. a square ring; 6. a first board insert; 7. a second board plug; 8. a gasket; 9. installing a tool; 91. a jack; 92. and (7) pressing a plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-7, a novel thermal insulation pipeline comprises pipeline units and fasteners for connecting the pipeline units together, wherein a sealing gasket 8 is arranged between the adjacent pipeline units. The pipeline unit comprises an inner pipe 1, and a heat preservation layer 2 and an outer pipe 3 are sequentially arranged outside the inner pipe 1. The two ends of the inner tube 1 are respectively provided with a first end 12 and a second end 13, the inner tube 1 is provided with a first groove 11 at the inner side positions of the first end 12 and the second end 13, and the outer side of the first groove 11 is provided with a first inclined plane 111, so that the inner sides of the first end 12 and the second end 13 are inclined. The fasteners include a first fastener 4, a second fastener 5, a first insert plate 6 and a second insert plate 7. The inner surface of the first fastening piece 4 is provided with a third groove 41, two ends of the first fastening piece 4 are provided with first extending ends 42, the first extending ends 42 are positioned on the inner side of the end surface of the first fastening piece 4, and the first extending ends 42 are provided with first through holes 43; the inner surface of the second fastening piece 5 is provided with a fourth groove 51, two ends of the second fastening piece 5 are provided with second extending ends 52, the second extending ends 52 are positioned on the outer side of the end surface of the second fastening piece 5, the second extending ends 52 are provided with second through holes 53, and square rings 54 are arranged on two sides of each second extending end 52 at positions corresponding to the second through holes 53. The cross sections of the third groove 41 and the fourth groove 51 are the same, and two sides of the third groove 41 and the fourth groove 51 are provided with second inclined surfaces 411 with the same inclination as that of the first inclined surfaces 111, the widths of the third groove 41 and the fourth groove 51 are slightly larger than the width of the first end head 12 and the second end head 13 when the first end head 12 and the second end head 13 are combined together, and are smaller than the width of the first end head 12, the sealing gasket 8 and the second end head 13 when the first end head 12, the sealing gasket 8 and the second end head 13 are combined together; when the first through hole 43 and the second through hole 53 are aligned when fastened, the first insert plate 6 can be inserted into both, and the second insert plate 7 can be inserted into the square rings 54 on both sides of the second protruding end 52 and positioned outside the first insert plate 6, preventing the first insert plate 6 from falling.

The end face of the first end head 12 is provided with a second groove 121, the depth of the second groove 121 is about 0.25 times of the thickness of the sealing gasket 8, and the sealing gasket can be placed in the second groove 121, is not easy to drop and is convenient to mount.

The cross sections of the first through hole 43 and the second through hole 53 are the same and rectangular, the cross section of the first insertion plate 6 is the same as that of the first through hole 43, and four edges of one end of the first insertion plate 6 are provided with chamfers so as to be conveniently inserted into the other through hole.

The second projecting end 52 is provided with a square ring 54, which is machined flat to facilitate the passage of the second insert plate 7.

In connecting the duct units together, as shown in fig. 1-7, the gasket 8 is first placed in the second groove 121 of one duct unit, then the second end 13 of the other duct unit is contacted with the first end 12 of the duct unit, then the third groove 41 of the first fastening member 4 and the fourth groove 51 of the second fastening member 5 are fitted over the two ends, so that the first protruding end 42 is located inside the second protruding end 52, then the installation tool 9 similar to that in fig. 7 can be used to install, so that the two pressing plates 92 are respectively located outside the first fastening member 4 and the second fastening member 5, the pressing plate 92 is pushed by the jack 91 to press the first fastening member 4 and the second fastening member 5 close to each other, when the first through hole 43 and the second through hole 53 are aligned, the first insert plate 6 is inserted into the two, then the second insert plate 7 is inserted into the square rings 54 on both sides of the second protruding end 52, the first board 6 is prevented from falling. Due to the existence of the first inclined surface 111 and the second inclined surface 411, the second end head 13 and the first end head 12 are close to each other in the process, and the sealing gasket 8 between the two is pressed. In order to have a good sealing effect, the first end head 12, the second end head 13, the first fastening member 4, the second fastening member 5 and the first insert plate 6 have a high machining precision, and the dimensional error is preferably less than 0.1 mm. Due to the elasticity of the sealing gasket 8, the sealing effect is only slightly affected in the presence of minor tolerances.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A novel heat preservation pipeline is characterized in that: comprises pipeline units and fasteners for connecting the pipeline units together, wherein a sealing gasket (8) is arranged between the adjacent pipeline units;

the pipeline unit comprises an inner pipe (1), a heat insulation layer (2) and an outer pipe (3) are sequentially arranged outside the inner pipe (1), a first end (12) and a second end (13) are respectively arranged at two ends of the inner pipe (1), a first groove (11) is formed in the inner side of the first end (12) and the inner side of the second end (13) of the inner pipe (1), and a first inclined plane (111) is arranged on the outer side of the first groove (11);

the fastening piece comprises a first fastening piece (4), a second fastening piece (5), a first inserting plate (6) and a second inserting plate (7), a third groove (41) is formed in the inner surface of the first fastening piece (4), first extending ends (42) are arranged at two ends of the first fastening piece (4), and first through holes (43) are formed in the first extending ends (42); a fourth groove (51) is formed in the inner surface of the second fastening piece (5), second extending ends (52) are arranged at two ends of the second fastening piece (5), a second through hole (53) is formed in each second extending end (52), and square rings (54) are arranged on two sides of each second extending end (52) at positions corresponding to the second through holes (53); the cross sections of the third groove (41) and the fourth groove (51) are the same, and two sides of the third groove and the fourth groove are provided with second inclined surfaces (411) with the same gradient as the first inclined surfaces (111); when the first through hole (43) and the second through hole (53) are aligned when fastening, the first insert plate (6) can be inserted into the first through hole and the second insert plate (7) can be inserted into the square rings (54) on both sides of the second protruding end (52) and positioned outside the first insert plate (6).

2. The novel heat preservation pipeline of claim 1, characterized in that: the end face of the first end head (12) is provided with a second groove (121).

3. The novel heat preservation pipeline of claim 1, characterized in that: the cross sections of the first through hole (43) and the second through hole (53) are the same and rectangular, the cross section of the first inserting plate (6) is the same as that of the first through hole (43), and four edges at one end of the first inserting plate (6) are provided with chamfers.

4. The novel heat preservation pipeline of claim 1, characterized in that: the position of the second extending end (52) provided with the square ring (54) is processed into a plane.