CN210398135U

CN210398135U - Prefabricated heat-insulating outer sleeve for pipeline elbow

Info

Publication number: CN210398135U
Application number: CN201920937335.4U
Authority: CN
Inventors: 邓祥海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-24
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a prefabricated heat preservation overcoat of pipeline elbow, it comprises two half overcoat (1) of buckling into the elbow form relatively, be equipped with respectively on two half overcoat (1) the inner wall that is close to long arc butt joint limit (11) and short arc butt joint limit (12) position and take barb dop (13) and cutting ferrule (14), two half overcoat are through taking barb dop and cutting ferrule to buckle relatively and connect into the elbow form, the position of the symmetry axis on the inner wall of two half overcoat is equipped with supporting pin (15), the both ends of two half overcoat are equipped with respectively and have semi-annular end cover (17) of semi-circular hole (16) with the centre of a circle position of half overcoat body structure. The two ends of the heat insulation plate are sealed, the heat insulation plate is convenient to mount, the mounting efficiency is improved, the heat insulation plate is not prone to swinging and shifting after being mounted, the thickness consistency of the heat insulation layer is guaranteed, the heat insulation plate is not prone to deformation after being subjected to injection molding and cooling forming, and the heat insulation plate is convenient to buckle and mount. The concentricity between the heat insulation waterproof layer and the pipeline is better, and the thickness of the heat insulation waterproof layer is more uniform.

Description

Prefabricated heat-insulating outer sleeve for pipeline elbow

Technical Field

The utility model relates to a pipeline heat preservation facility, concretely relates to pipeline elbow heat preservation overcoat.

Background

The two ends of the existing filling type elbow heat-insulating outer sleeve are not provided with plugging parts, and the two ends of the existing filling type elbow heat-insulating outer sleeve are required to be plugged before being filled with heat-insulating materials such as foaming materials, so that the existing filling type elbow heat-insulating outer sleeve is not convenient enough to install and is not beneficial to improving the installation efficiency. When the heat-insulating outer sleeve is fixed on the elbow, the heat-insulating outer sleeve is supported on the elbow by the support pins arranged in the outer sleeve, the outer sleeve is easy to swing and shift, and the thickness consistency of the heat-insulating layer between the outer sleeve and the elbow is not easy to guarantee. In addition, due to the unclosed structural characteristics of the end part of the heat-insulating jacket, the heat-insulating jacket is easy to deform after injection molding, cooling and forming, and the deformed jacket is inconvenient to be buckled and installed.

Disclosure of Invention

The utility model aims at providing an installation is got up conveniently, is favorable to improving the installation effectiveness, is difficult to swing and shift after the installation, and the uniformity of insulating layer thickness is guaranteed, is difficult to warp after the injection moulding cooling shaping, the prefabricated heat preservation overcoat of pipeline elbow of the make-up installation of being convenient for.

The technical solution of the utility model is that: the pipe elbow is formed by two half outer sleeves which are buckled into an elbow shape along a long arc butt joint edge and a short arc butt joint edge, the inner walls of the two half outer sleeves, which are close to the long arc butt joint edge and the short arc butt joint edge, are respectively provided with a barbed chuck and a clamping sleeve which are matched with the opposite half outer sleeves, the two half outer sleeves are buckled and connected into the elbow shape through the barbed chucks and the clamping sleeves, the barbed chucks and the clamping sleeves at corresponding positions on the inner walls of the two half outer sleeves are bilaterally symmetrical along the symmetrical axis of the two half outer sleeves, the position of the symmetrical axis on the inner wall of the two half outer sleeves is provided with a supporting pin which enables the half outer sleeves to be supported on the outer wall of the pipe elbow, and the two end parts of the two half outer sleeves are respectively provided with a half annular.

The technical effects of the utility model are that: the two ends of the heat insulation plate are sealed, the heat insulation plate is convenient to mount, the mounting efficiency is improved, the heat insulation plate is not prone to swinging and shifting after being mounted, the thickness consistency of the heat insulation layer is guaranteed, the heat insulation plate is not prone to deformation after being subjected to injection molding and cooling forming, and the heat insulation plate is convenient to buckle and mount. The concentricity between the heat insulation waterproof layer and the pipeline is better, and the thickness of the heat insulation waterproof layer is more uniform. The buckling is more convenient, the buckling is tighter, and the filling of heat insulation materials is more facilitated. It is difficult to warp after the injection molding processing drawing of patterns, more is favorable to improving machining efficiency.

Drawings

Fig. 1 is an exploded perspective view of an embodiment of the present invention;

fig. 2 is a perspective view of the half-coat according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1, the pipe elbow comprises two half outer sleeves 1 which are oppositely buckled into a bent shape along a long arc-shaped butt joint edge 11 and a short arc-shaped butt joint edge 12, barb chucks 13 and clamping sleeves 14 which are matched with the half outer sleeves 1 at the opposite sides are respectively arranged on the inner walls of the two half outer sleeves 1 which are close to the positions of the long arc-shaped butt joint edge 11 and the short arc-shaped butt joint edge 12, the two half outer sleeves 1 are oppositely buckled and connected into a bent shape through the barb chucks 13 and the clamping sleeves 14, the barb chucks 13 and the clamping sleeves 14 at the corresponding positions on the inner walls of the two half outer sleeves 1 are bilaterally symmetrical along the symmetrical axis of the half outer sleeves 1, supporting pins 15 which enable the half outer sleeves 1 to be supported on the outer wall of the pipe elbow are arranged at the positions of the symmetrical axis on the inner walls of the two half outer sleeves 1, and semi-annular end covers 17 which are.

The two half outer sleeves 1 are completely the same in structure and shape, injection molding can be achieved by using one set of mold, machining cost is saved, and buckling is more convenient.

The inner walls of the two half outer sleeves 1 are respectively provided with a reticular reinforcing rib 18 which protrudes out of the inner walls of the half outer sleeves 1.

And one side of each semi-annular end cover 17 of the semi-outer sleeve 1 facing the outside of the semi-outer sleeve 1 is respectively provided with a semi-annular hole expanding groove 19 which is concentric with the semi-circular hole 16 and is close to the position of the outer semi-circular hole 16 and is used for expanding the aperture of the semi-circular hole 16 so as to adapt to thicker elbows.

And one side of each semi-annular end cover 17 of the semi-outer sleeve 1 facing the outside of the semi-outer sleeve 1 is respectively provided with a semi-annular end cover removing groove 20 which is concentric with the semi-circular hole 16, is close to the excircle of the semi-annular end cover 17, and is used for removing the semi-annular end cover 17 after filling heat insulation materials so as to prevent the end cover from forming a cold bridge between the elbow and the outer sleeve.

The butt joint surfaces of the long arc butt joint edges 11 and the short arc butt joint edges 12 of the two half outer sleeves 1 are respectively in a step shape with one side higher and the other side lower, the butt joint surfaces of the long arc butt joint edges 11 and the short arc butt joint edges 12 on one side of the symmetry axis are respectively in a step shape with the inner side higher and the outer side lower, and the butt joint surfaces of the long arc butt joint edges 11 and the short arc butt joint edges 12 on the other side are respectively in a step shape with the outer side higher and the inner side lower.

The inner walls of the two half outer sleeves 1 are provided with a long arc butt joint edge 11 and a short arc butt joint edge 12 which are provided with barb chucks 13 on one side, the inner side of the butt joint surface is low, the outer side of the butt joint surface is high, and the inner side of the butt joint surface of the long arc butt joint edge 11 and the short arc butt joint edge 12 which are provided with clamping sleeves 14 is high and the outer side of the butt joint surface is low.

One side of the inner wall of the symmetrical axis position of the half outer sleeve 1, which is close to the long arc-shaped butt joint edge 11, and one side of the inner wall of the half outer sleeve, which is close to the short arc-shaped butt joint edge 12, are respectively provided with a supporting pin seat 21 with a mounting blind hole, and the supporting pin 15 is a rod-shaped body movably mounted on the supporting pin seat 21. The opening of the mounting blind hole faces to the butt joint surface of the two half outer sleeves 1 so as to facilitate injection molding and demolding. One end of the supporting pin 15 is provided with a mounting head 22 which is inserted with the supporting pin seat 21, or two ends of the supporting pin 15 are respectively provided with a mounting head 22 which is inserted with the supporting pin seat 21, and the mounting heads 22 at two ends of the supporting pin 15 are respectively longer and shorter along the axial length of the supporting pin so as to adapt to the requirements of different elbow thicknesses.

As shown in fig. 2, a support pin 15 integrated with the half outer jacket 1 is provided on the inner wall of the symmetrical axis position of the half outer jacket 1 on the side near the long arc butt joint edge 11 and on the side near the short arc butt joint edge 12, respectively.

The use method and the advantages are as follows: two half overcoat 1 utilize taking barb dop 13 and cutting ferrule 14 lock mutually on the elbow, and the semicircular hole 16 on the semicircular end cover 17 directly blocks on the elbow, can conveniently with the help of the supporting pin 15 on half overcoat 1 inner wall on the elbow with whole overcoat suit off duty again, and the installation is more firm and need not carry out the shutoff to the tip, and it is more convenient to install. And by means of the stepped butt joint surfaces on the two half outer sleeves 1, the positioning effect is better, the outer sleeves can be buckled more tightly, and the filling of heat insulation materials is more convenient. When the movable support pin 15 is mounted on a standard diameter elbow fitting the elbow, the short end of the mounting head of the movable support pin 15 is inserted into the support pin seat 21 or the fixed support pin 15 is not required to be cut off. When the outer sleeve is installed on an elbow with a thick specification, one end, with the length of the installation head 22, of the movable supporting pin 15 can be inserted into the supporting pin seat 21 or the fixed supporting pin 15 can be cut off by one section, and the semicircular hole 16 in the semicircular end cover 17 is enlarged along the semicircular hole expanding groove 19.

The shape and the structure of the two half outer sleeves 1 which are buckled are completely consistent, production can be carried out by only one set of die, the production cost is reduced, the consistency of the shapes of the half outer sleeves is guaranteed, the shapes of the two half outer sleeves 1 do not need to be distinguished during installation, and the installation is more convenient.

Claims

1. Prefabricated heat preservation overcoat of pipeline elbow, it comprises two half overcoat (1) of buckling into the elbow form relatively along long arc butt joint limit (11) and short arc butt joint limit (12), be equipped with respectively on two half overcoat (1) are close to the inner wall of long arc butt joint limit (11) and short arc butt joint limit (12) position and take barb dop (13) and cutting ferrule (14) with offside half overcoat (1) matched with, two half overcoat (1) are through taking barb dop (13) and cutting ferrule (14) to buckle relatively and be connected into the elbow form, take barb dop (13) and cutting ferrule (14) along the symmetry axis bilateral symmetry of half overcoat (1) of corresponding position on two half overcoat (1) inner walls, the position of the symmetry axis on the inner wall of two half overcoat (1) is equipped with and makes half overcoat (1) support pin (15) on pipeline elbow outer wall, its characterized in that: two ends of the two half outer sleeves (1) are respectively provided with a semi-annular end cover (17) which is integrated with the half outer sleeves (1) and is provided with a semi-circular hole (16) at the circle center position.

2. Prefabricated thermal insulating jacket for piping elbows according to claim 1, characterized in that the structure and shape of the two half-jackets (1) are identical.

3. The prefabricated heat-insulating outer sleeve for the pipe elbow as claimed in claim 1, wherein the inner walls of the two half outer sleeves (1) are respectively provided with a reticular reinforcing rib (18) which protrudes out of the inner walls of the half outer sleeves (1).

4. The prefabricated heat-insulating jacket for the pipe elbows as claimed in claim 1, wherein the side of each semicircular end cover (17) of the semi-jacket (1) facing the outside of the semi-jacket (1) is respectively provided with a semicircular hole expanding groove (19) which is concentric with the semicircular hole (16) and is close to the outer semicircular hole (16) and is used for expanding the aperture of the semicircular hole (16) so as to adapt to the thicker elbows.

5. Prefabricated heat-insulating jacket for pipe elbows according to claim 1, wherein the side of each semicircular end cap (17) of the semi-jacket (1) facing the outside of the semi-jacket (1) is provided with a semicircular end cap removing groove (20) which is concentric with the semicircular hole (16) and close to the outer circle of the semicircular end cap (17) and is used for removing the semicircular end cap (17) after filling with heat-insulating material to prevent the end cap from forming a cold bridge between the elbow and the jacket.

6. The prefabricated heat-insulating outer sleeve for the pipeline elbow as claimed in claim 1, wherein the butt joint surfaces of the long arc butt joint edge (11) and the short arc butt joint edge (12) of the two half outer sleeves (1) are respectively in a step shape with one side higher than the other side lower than the other side, the butt joint surfaces of the long arc butt joint edge (11) and the short arc butt joint edge (12) on one side of the symmetry axis are respectively in a step shape with the inner side higher than the outer side lower than the outer side, and the butt joint surfaces of the long arc butt joint edge (11) and the short arc butt joint edge (12) on the other side are respectively in a step shape with the outer side higher than the.

7. The prefabricated heat-insulating outer sleeve for the pipeline elbow as claimed in claim 6, wherein the inner walls of the two half outer sleeves (1) are provided with a long arc butt joint edge (11) with a barb clamp head (13) side and a short arc butt joint edge (12) side, the inner side of the butt joint surface is lower than the outer side, and the inner side of the butt joint surface of the long arc butt joint edge (11) with a clamping sleeve (14) side and the inner side of the butt joint surface of the short arc butt joint edge (12) are higher than the outer side.

8. The prefabricated heat-insulating outer sleeve for the pipe elbow as claimed in claim 1, wherein the inner wall of the symmetrical axial position of the half outer sleeve (1) is provided with a supporting pin seat (21) with a blind mounting hole at one side close to the long arc-shaped butt joint edge (11) and at one side close to the short arc-shaped butt joint edge (12), and the supporting pin (15) is a rod-shaped body movably mounted on the supporting pin seat (21).

9. The prefabricated heat-insulating jacket for the pipe elbow as claimed in claim 8, wherein one end of the supporting pin (15) is provided with a mounting head (22) inserted into the supporting pin seat (21), or two ends of the supporting pin (15) are respectively provided with a mounting head (22) inserted into the supporting pin seat (21), and the mounting heads (22) at two ends of the supporting pin (15) are respectively longer and shorter along the axial direction of the supporting pin so as to meet the requirements of different-thickness elbows.

10. Prefabricated thermal insulating outer casing for piping elbows according to claim 1, wherein the inner wall of the half casing (1) at the position of the axis of symmetry is provided with a support pin (15) integral with the half casing (1) on the side close to the long arc butt joint edge (11) and on the side close to the short arc butt joint edge (12).