CN216430756U

CN216430756U - Heat-insulating and heat-preserving PVC sewer pipe

Info

Publication number: CN216430756U
Application number: CN202123126696.7U
Authority: CN
Inventors: 张明; 王恺; 李�昊; 程志华; 孙张青
Original assignee: Jiangsu Gepan Construction Engineering Co ltd
Current assignee: Jiangsu Gepan Construction Engineering Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-03
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a thermal-insulated heat retaining PVC downcomer, including water pipe main part, slope, spacing ring, thermal-insulated cotton and limbers, the slope has been seted up in the water pipe main part, and installs the spacing ring in the water pipe main part, the outside of water pipe main part is provided with the insulating tube, the inside standing groove of having seted up of insulating tube, install the fixed strip on the standing groove, be connected with the pinch-off blades on the fixed strip, install the connecting plate on the pinch-off blades, be connected with the bracing piece on the connecting plate, be provided with reset spring on the bracing piece, flexible groove has been seted up on the fixed strip. This thermal-insulated heat retaining PVC downcomer is provided with the insulating tube, and the insulating tube setting reduces the inside thermal loss of water pipe main part through the inside thermal-insulated cotton of insulating tube, has improved this PVC downcomer's heat preservation effect, and through thermal-insulated cotton effect, reduces the heat to the transmission of insulating tube, prevents that insulating tube surface temperature from rising, has improved this PVC downcomer's thermal-insulated effect.

Description

Heat-insulating and heat-preserving PVC sewer pipe

Technical Field

The utility model relates to a PVC downcomer technical field specifically is a thermal-insulated heat retaining PVC downcomer.

Background

PVC (polyvinyl chloride) is a high molecular material obtained by vinyl chloride through addition polymerization, is a third most widely produced synthetic plastic polymer after polyethylene and polypropylene, is white powder with an amorphous structure, has poor stability to light and heat, has no fixed melting point, has good mechanical property and excellent dielectric property, is mainly used for producing and manufacturing PVC sewer pipes, and is the second most consumer field of the polyvinyl chloride pipes in numerous polyvinyl chloride products. In China, compared with PE pipes and PP pipes, polyvinyl chloride pipes are developed earlier, are multiple in variety, excellent in performance and wide in application range and occupy important positions in the market, and the existing PVC sewer pipes are easy to transmit heat in air through pipe bodies when hot water is conveyed, so that the heat loss of the hot water is serious, and the conveying effect is influenced.

We have therefore proposed a PVC sewer pipe which is insulated from heat so as to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal-insulated heat retaining PVC downcomer to solve the PVC downcomer that has now on the existing market that above-mentioned background art provided, when carrying hot water, transmit the heat through the pipe shaft looks like the air easily, lead to hydrothermal calorific loss serious, influence the problem of carrying the effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermal-insulated heat retaining PVC downcomer, includes water pipe main part, slope, spacing ring, thermal-insulated cotton and limbers, set up the slope in the water pipe main part, and install the spacing ring in the water pipe main part, the outside of water pipe main part is provided with the insulating tube, the inside standing groove that has seted up of insulating tube, install the fixed strip on the standing groove, be connected with the pinch-off blades on the fixed strip, install the connecting plate on the pinch-off blades, be connected with the bracing piece on the connecting plate, be provided with reset spring on the bracing piece, the flexible groove has been seted up on the fixed strip, the sliding hole has been seted up on the connecting plate, be provided with thermal-insulated cotton in the standing groove, the limbers has been seted up in the water pipe main part.

Preferably, threaded connection is adopted between the bottom end of the water pipe main body and the fixing strip at the bottom end of the heat preservation pipe, the length of the water pipe main body is equal to the sum of the length of the heat preservation pipe and the height of the limiting ring, and the outer diameter of the heat preservation pipe is equal to the outer diameter of the limiting ring.

Preferably, all inside surfaces of the fixing strips are located on the same circle, the diameter of the circle where the fixing strips are located away from the side surfaces is equal to the outer diameter of the water pipe body, and the length of each fixing strip is larger than the thickness of the heat insulation cotton.

Preferably, the fixing strips are uniformly distributed on the inner side of the heat preservation pipe, the length of each fixing strip is equal to that of the heat preservation pipe, and the distance between the two fixing strips is larger than the width of the clamping plate.

Preferably, the clamping plate is of a telescopic structure on the fixing strip through a return spring, the telescopic distance of the clamping plate is greater than the width of the clamping plate, and the length of the clamping plate is smaller than that of the fixing strip.

Preferably, six connecting plates are distributed on the left side and the right side of the clamping plate, the connecting plates are of sliding structures on the supporting rods, and the length of each connecting plate is greater than half of the width of each fixing strip.

Compared with the prior art, the beneficial effects of the utility model are that: the PVC sewer pipe with heat insulation and heat preservation functions,

(1) the heat insulation pipe is arranged on the outer side of the water pipe main body, the heat loss in the water pipe main body is reduced through the heat insulation cotton in the heat insulation pipe, the heat insulation effect of the PVC sewer pipe is improved, the heat transmission to the heat insulation pipe is reduced through the effect of the heat insulation cotton, the surface temperature of the heat insulation pipe is prevented from rising, and the heat insulation effect of the PVC sewer pipe is improved;

(2) be provided with the telescopic pinch-off blades, when the installation, the pinch-off blades passes through the extrusion of water pipe main part outer wall and slides inwards on the fixed strip, makes the pinch-off blades compress thermal-insulated cotton, prevents that thermal-insulated cotton from taking place to warp in the standing groove, is convenient for install the insulating tube, and then is convenient for change thermal-insulated cotton, has improved the device's thermal-insulated heat preservation effect.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a cross-sectional view of the present invention shown in FIG. 3;

fig. 5 is a front view of the clamping plate of the present invention.

In the figure: 1. a water pipe body; 2. a slope; 3. a limiting ring; 4. a heat preservation pipe; 5. a placement groove; 6. a fixing strip; 7. a clamping plate; 8. a connecting plate; 9. a support bar; 10. a return spring; 11. a telescopic groove; 12. a slide hole; 13. heat insulation cotton; 14. a water through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a heat-insulating PVC sewer pipe comprises a water pipe main body 1, a slope 2, a limiting ring 3, a heat-insulating pipe 4, a placing groove 5, a fixing strip 6, a clamping plate 7, a connecting plate 8, a supporting rod 9, a return spring 10, a telescopic groove 11, a sliding hole 12, heat-insulating cotton 13 and a water through hole 14, wherein the slope 2 is arranged on the water pipe main body 1, and install spacing ring 3 on the water pipe main part 1, the outside of water pipe main part 1 is provided with insulating tube 4, standing groove 5 has been seted up to insulating tube 4 inside, install fixed strip 6 on the standing groove 5, be connected with clamping plate 7 on the fixed strip 6, install connecting plate 8 on the clamping plate 7, be connected with bracing piece 9 on the connecting plate 8, be provided with reset spring 10 on the bracing piece 9, flexible groove 11 has been seted up on the fixed strip 6, the sliding hole 12 has been seted up on the connecting plate 8, be provided with thermal-insulated cotton 13 in the standing groove 5, limbers 14 has been seted up in the water pipe main part 1.

Threaded connection is used between the bottom of water pipe main part 1 and the fixed strip 6 of insulating tube 4 bottom, and the length of water pipe main part 1 equals the length of insulating tube 4 and the high sum of spacing ring 3 to the external diameter of insulating tube 4 equals the external diameter of spacing ring 3, is convenient for install insulating tube 4 on water pipe main part 1.

All inside surfaces of the fixing strips 6 are located on the same circle, the diameter of the circle where the side surface of the fixing strip 6 is away from is equal to the outer diameter of the water pipe body 1, and the length of the fixing strip 6 is larger than the thickness of the heat insulation cotton 13, so that the water pipe body 1 can be conveniently inserted into the fixing strip 6.

The fixing strips 6 are uniformly distributed on the inner side of the heat preservation pipe 4, the length of each fixing strip 6 is equal to that of the heat preservation pipe 4, and the distance between every two fixing strips 6 is larger than the width of the clamping plate 7, so that the heat insulation cotton 13 can be conveniently placed in the fixing strips 6.

The clamping plate 7 is of a telescopic structure on the fixing strip 6 through the return spring 10, the telescopic distance of the clamping plate 7 is larger than the width of the clamping plate 7, the length of the clamping plate 7 is smaller than that of the fixing strip 6, and the heat insulation cotton 13 is conveniently fixed through the clamping plate 7.

Six connecting plates 8 are distributed on the left side and the right side of the clamping plate 7, the connecting plates 8 are of a sliding structure on the supporting rods 9, the length of each connecting plate 8 is larger than half of the width of each fixing strip 6, and the clamping plate 7 can slide conveniently through the connecting plates 8.

The working principle is as follows: when the heat-insulation PVC sewer pipe is used, the device is firstly connected to a place to be used and is connected through the inner side surface of the water through hole 14, when hot water flows in the water through hole 14, the heat of the water is transferred outwards through the outer wall of the water pipe main body 1, and the heat-insulation cotton 13 is arranged between the heat-insulation pipe 4 and the water pipe main body 1, so that the heat is prevented from being transferred from the water pipe main body 1 to the heat-insulation pipe 4 through the heat-insulation effect of the heat-insulation cotton 13, and the heat-insulation pipe 4 has the heat-insulation effect.

When the heat insulation cotton 13 needs to be replaced, the heat insulation pipe 4 can be rotated, the heat insulation pipe 4 is rotated on the water pipe main body 1, then the heat insulation pipe 4 is pulled downwards, the water pipe main body 1 slides out of the placing groove 5 of the heat insulation pipe 4, the water pipe main body 1 is not in contact with the clamping plate 7, the reset spring 10 pushes the connecting plate 8 to slide on the supporting rod 9, the clamping plate 7 slides to the innermost end of the fixing strip 6, the clamping plate 7 does not extrude the heat insulation cotton 13 any more, the heat insulation cotton 13 is drawn out from the placing groove 5, new heat insulation cotton 13 is inserted into the placing groove 5 between the two fixing strips 6 again, the distance from the clamping plate 7 to the heat insulation pipe 4 is larger than the thickness of the heat insulation cotton 13, then the water pipe main body 1 is inserted into the heat insulation pipe 4, the slope 2 at the bottom of the water pipe main body 1 is firstly inserted into the middle part of the clamping plate 7, and the water pipe main body 1 gradually props the clamping plate 7 outwards, the clamping plate 7 is enabled to compress the return spring 10 on the supporting rod 9 through the connecting plate 8 to slide until the water pipe main body 1 is inserted into the bottom of the heat insulation pipe 4, meanwhile, the clamping plate 7 slides to the position of the heat insulation cotton 13 to compress the heat insulation cotton 13, then the heat insulation pipe 4 is rotated to enable the heat insulation pipe 4 to be connected with the water pipe main body 1 through threads, the use of the device is completed, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a thermal-insulated heat retaining PVC downcomer, includes water pipe main part (1), slope (2), spacing ring (3), thermal-insulated cotton (13) and limbers (14), its characterized in that: slope (2) have been seted up on water pipe main part (1), and install spacing ring (3) on water pipe main part (1), the outside of water pipe main part (1) is provided with insulating tube (4), standing groove (5) have been seted up to insulating tube (4) inside, install fixed strip (6) on standing groove (5), be connected with pinch-off blades (7) on fixed strip (6), install connecting plate (8) on pinch-off blades (7), be connected with bracing piece (9) on connecting plate (8), be provided with reset spring (10) on bracing piece (9), flexible groove (11) have been seted up on fixed strip (6), sliding hole (12) have been seted up on connecting plate (8), be provided with thermal-insulated cotton (13) in standing groove (5), limbers (14) have been seted up in water pipe main part (1).

2. The PVC downcomer pipe that insulates against heat and preserves of claim 1, characterized by: the bottom of water pipe main part (1) and fixed strip (6) of insulating tube (4) bottom are threaded connection between, and the length of water pipe main part (1) equals the sum of the length of insulating tube (4) and the height of spacing ring (3), and the external diameter of insulating tube (4) equals the external diameter of spacing ring (3).

3. The PVC downcomer pipe that insulates against heat and preserves of claim 1, characterized by: all inside surfaces of the fixing strips (6) are located on the same circle, the diameter of the circle, away from the side surfaces, of the fixing strips (6) is equal to the outer diameter of the water pipe main body (1), and the length of each fixing strip (6) is larger than the thickness of the heat insulation cotton (13).

4. The PVC downcomer pipe that insulates against heat and preserves of claim 1, characterized by: the fixing strips (6) are uniformly distributed on the inner side of the heat preservation pipe (4), the length of each fixing strip (6) is equal to that of the heat preservation pipe (4), and the distance between the two fixing strips (6) is larger than the width of the clamping plate (7).

5. The PVC downcomer pipe that insulates against heat and preserves of claim 1, characterized by: the clamping plate (7) is of a telescopic structure on the fixing strip (6) through a return spring (10), the telescopic distance of the clamping plate (7) is larger than the width of the clamping plate (7), and the length of the clamping plate (7) is smaller than that of the fixing strip (6).

6. The PVC downcomer pipe that insulates against heat and preserves of claim 1, characterized by: six connecting plates (8) are distributed on the left side and the right side of the clamping plate (7), the connecting plates (8) are of sliding structures on the supporting rods (9), and the length of each connecting plate (8) is larger than half of the width of each fixing strip (6).