CN212643772U

CN212643772U - Anti-freezing vacuum heat-insulating pipe

Info

Publication number: CN212643772U
Application number: CN202021178269.6U
Authority: CN
Inventors: 丁盛华
Original assignee: Yixing Huasheng Environmental Protection Pipeline Co ltd
Current assignee: Yixing Huasheng Environmental Protection Pipeline Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-02
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a vacuum insulation pipe prevents frostbite, including vacuum drain pipe, vacuum drain pipe's the outside is provided with the insulating tube, the inside of insulating tube is provided with outer pipe, inlayer pipe, outer pipe is provided with the second vacuum layer through the second lug with the inlayer pipe, be provided with first vacuum layer through first lug between inlayer pipe and the vacuum drain pipe, relate to the body field. The utility model discloses an outer pipe of setting, the inlayer pipe, and outer pipe, the inlayer pipe is rubber sponge respectively, polyethylene insulation material, better low temperature effect of preventing frostbite has, form second vacuum layer through the second lug between outer pipe and the inlayer pipe, form first vacuum layer through first lug between inlayer pipe and the vacuum drain pipe, thereby increased the arc spread groove that the heat preservation effect of preventing frostbite passes through the setting, the arc connecting plate, be provided with first screw hole on the arc connecting plate, be provided with the second screw hole in the arc spread groove.

Description

Anti-freezing vacuum heat-insulating pipe

Technical Field

The utility model relates to a body field specifically is a vacuum insulation pipe prevents frostbite.

Background

At present, an outdoor drainage system mainly adopts a gravity system, and sewage at a user side flows from a high position to a low position under the action of the gravity of the earth through a gravity pipeline which is laid downwards along a road. The gravity drainage system has the advantages of simple construction, lower operation and maintenance cost and the like, but has obvious defects, namely, the gravity drainage system is greatly limited by terrain, large excavation amount and strong ground destructiveness, and a large number of inspection wells, lifting pumps and inverted siphon pipes are required to be arranged along the road, so that the construction is difficult and the cost is high, along with the acceleration of the urbanization process, a vacuum passage is formed by a vacuum well, a vacuum drainage pipeline and a vacuum pump station, the controllable drainage and delivery of sewage are realized by utilizing the negative pressure suction principle, and the sewage gradually enters the visual field of people. However, in the actual construction process, the frost layer is very deep in some cold areas in the north, and some cold areas even exceed 3 meters; if the traditional vacuum drainage pipeline is directly buried under the frozen soil layer, the capital construction cost is directly increased; if the soil is buried in a frozen soil layer, the phenomena of frozen pipes and freezing are easy to occur.

According to the Chinese patent with the patent number CN 205314215U: the utility model provides an anti-freezing vacuum insulation pipe, includes the vacuum drain pipe, sets up the insulating tube in the vacuum drain pipe outside, still is equipped with the air flue of heating ventilation circulation between vacuum drain pipe and insulating tube, still set up a set of connecting tube who communicates with each other with the air flue and be used for connecting the heating installation on the insulating tube. Preferably, this connecting tube communicates with each other with domestic heated kang, the utility model discloses to the problem that current vacuum drainage pipe can't adapt to the cold environment in the north, combine common heating installation in the north- -heated kang, introduce the outside air flue of vacuum drainage pipe with the heating installation in the heated kang, and set up the insulating tube completely cut off mutually with frozen soil layer in the outside of air flue, thereby make vacuum drainage pipe form an independent negative pressure passageway in the inside of insulating tube, and this passageway does not receive external environment's influence, construction cost has been saved greatly, prevent the emergence of pipeline frostbite, made things convenient for the installation to arrange.

However, the heat preservation method of the vacuum drainage pipe in the patent is only suitable for partial areas, the practicability is low, two different vacuum drainage pipes are required to be connected together when the vacuum drainage pipe is laid, the conventional common connection mode is too complex in the construction process, the vacuum drainage pipe is inconvenient and quick to install, and the construction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the practicability of the vacuum drainage pipeline heat preservation method is low, an anti-freezing vacuum heat preservation pipe is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-freezing vacuum insulation pipe, includes vacuum drain pipe, vacuum drain pipe's the outside is provided with the insulating tube, the inside of insulating tube is provided with outer pipe, inlayer pipe, outer pipe is provided with the second vacuum layer through the second lug with the inlayer pipe, be provided with first vacuum layer through first lug between inlayer pipe and the vacuum drain pipe, vacuum drain pipe's one end is provided with multiunit arc connecting plate, the inside of the vacuum drain pipe other end is provided with multiunit arc spread groove, the inside of arc connecting plate all is provided with first screw hole, the inside of arc spread groove all is provided with the second screw hole.

Preferably, the number of the first lug and the second lug is provided with a plurality of groups, and the first lug is fixedly connected with the vacuum drain pipe, and the second lug is fixedly connected with the inner layer pipe.

Preferably, the outer layer pipe and the inner layer pipe are made of rubber sponge and polyethylene heat-insulating materials respectively.

Preferably, a sealing gasket is arranged on the side wall of one end of the vacuum drainage pipe.

Preferably, four groups of arc connecting grooves and four groups of arc connecting plates are arranged.

Preferably, the number of the first threaded holes and the number of the second threaded holes are provided with a plurality of groups, and fixing bolts are arranged in the second threaded holes and the first threaded holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the outer layer pipe and the inner layer pipe are respectively made of rubber sponge and polyethylene heat-insulating material, so that the anti-freezing device has better low-temperature anti-freezing effect, a second vacuum layer is formed between the outer layer pipe and the inner layer pipe through a second lug, and a first vacuum layer is formed between the inner layer pipe and the vacuum drain pipe through a first lug, so that the anti-freezing and heat-insulating effects are improved;

2. the utility model discloses an arc spread groove, the arc connecting plate that set up are provided with first screw hole on the arc connecting plate, are provided with the second screw hole in the arc spread groove, use fixing bolt to be in the same place the arc connecting plate of a set of vacuum drain pipe one end and the arc spread groove of another group vacuum drain pipe one end are fixed to can make the faster link together of two sets of vacuum drain pipes, efficiency when improving installation vacuum drain pipe.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the arc-shaped connecting plate and the vacuum drainage pipe of the present invention;

FIG. 3 is a schematic view of the connection structure of the arc-shaped connecting groove and the vacuum drain pipe of the present invention;

fig. 4 is a side sectional view of the present invention.

In the figure: 1. a vacuum drain pipe; 2. an arc-shaped connecting plate; 3. a first threaded hole; 4. a first bump; 5. an inner layer tube; 6. an outer tube; 7. a second bump; 8. an arc-shaped connecting groove; 9. a second threaded hole; 10. a heat preservation pipe; 11. a first vacuum layer; 12. a second vacuum layer; 13. and a gasket.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, an anti-freezing vacuum thermal insulation pipe comprises a vacuum drainage pipe 1, a thermal insulation pipe 10 is arranged on the outer side of the vacuum drainage pipe 1, an outer layer pipe 6 and an inner layer pipe 5 are arranged inside the thermal insulation pipe 10, a second vacuum layer 12 is arranged on the outer layer pipe 6 and the inner layer pipe 5 through a second bump 7, a first vacuum layer 11 is arranged between the inner layer pipe 5 and the vacuum drainage pipe 1 through the first bump 4, a plurality of groups of arc-shaped connecting plates 2 are arranged at one end of the vacuum drainage pipe 1, a plurality of groups of arc-shaped connecting grooves 8 are arranged inside the other end of the vacuum drainage pipe 1, first threaded holes 3 are arranged inside the arc-shaped connecting plates 2, and second threaded holes 9 are arranged inside the arc-shaped.

Please refer to fig. 4, the number of the first bumps 4 and the second bumps 7 are provided with a plurality of groups, the first bumps 4 are fixedly connected with the vacuum drain pipe 1, the second bumps 7 are fixedly connected with the inner pipe 5, and the second vacuum layer and the first vacuum layer are respectively formed between the outer pipe and the inner pipe and between the inner pipe and the vacuum drain pipe through the arranged first bumps 4 and the second bumps 7, so that the anti-freezing and heat-insulating effects are increased.

Please refer to fig. 2, the outer pipe 6 and the inner pipe 5 are made of rubber sponge and polyethylene heat insulation material, respectively, and the outer pipe 6 and the inner pipe 5 are made of rubber sponge and polyethylene heat insulation material, respectively, so as to have a better low-temperature anti-freezing effect.

Please refer to fig. 1, a sealing gasket 13 is disposed on a side wall of one end of the vacuum drainage pipe 1, and the sealing performance of the vacuum drainage pipe 1 is enhanced by the sealing gasket 13.

Please refer to fig. 2, the number of the arc connecting grooves 8 and the arc connecting plates 2 is four, and the two sets of vacuum drainage pipes 1 can be connected together more quickly by the arc connecting grooves 8 and the arc connecting plates 2.

Please refer to fig. 1, the number of the first threaded holes 3 and the second threaded holes 9 are all provided with a plurality of groups, the second threaded holes 9 and the first threaded holes 3 are internally provided with fixing bolts, and the two groups of vacuum drainage pipes 1 can be more conveniently mounted and dismounted by the arranged first threaded holes 3, the second threaded holes 9 and the fixing bolts.

The working principle is as follows: during the use, cup joint inlayer pipe 5 and outer pipe 6 in the outside of vacuum drain pipe 1 respectively, form second vacuum layer 12 through second lug 7 between outer pipe 6 and the inlayer pipe 5, form first vacuum layer 11 through first lug 4 between inlayer pipe 5 and the vacuum drain pipe 1, vacuum drain pipe 1's anti-freezing heat preservation effect has been increased, use fixing bolt to fix the arc connecting plate 2 of a set of vacuum drain pipe 1 one end together with the arc spread groove 8 of another set of vacuum drain pipe 1 one end, can make two sets of vacuum drain pipe 1 links together sooner, efficiency when improving installation vacuum drain pipe 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an anti-freezing vacuum insulation pipe, includes vacuum drain pipe (1), its characterized in that: the outside of vacuum drainage pipe (1) is provided with insulating tube (10), the inside of insulating tube (10) is provided with outer pipe (6), inlayer pipe (5), outer pipe (6) are provided with second vacuum layer (12) through second lug (7) with inlayer pipe (5), be provided with first vacuum layer (11) through first lug (4) between inlayer pipe (5) and vacuum drainage pipe (1), the one end of vacuum drainage pipe (1) is provided with multiunit arc connecting plate (2), the inside of vacuum drainage pipe (1) other end is provided with multiunit arc spread groove (8), the inside of arc connecting plate (2) all is provided with first screw hole (3), the inside of arc spread groove (8) all is provided with second screw hole (9).

2. The antifreeze vacuum insulation pipe of claim 1, wherein: the number of the first convex blocks (4) and the second convex blocks (7) is provided with a plurality of groups, and the first convex blocks (4) are fixedly connected with the vacuum drain pipe (1), the second convex blocks (7) are fixedly connected with the inner layer pipe (5).

3. The antifreeze vacuum insulation pipe of claim 1, wherein: the outer layer pipe (6) and the inner layer pipe (5) are made of rubber sponge and polyethylene heat-insulating materials respectively.

4. The antifreeze vacuum insulation pipe of claim 1, wherein: and a sealing gasket (13) is arranged on the side wall of one end of the vacuum drainage pipe (1).

5. The antifreeze vacuum insulation pipe of claim 1, wherein: the number of the arc connecting grooves (8) and the arc connecting plates (2) is four.

6. The antifreeze vacuum insulation pipe of claim 1, wherein: the number of the first threaded holes (3) and the number of the second threaded holes (9) are provided with a plurality of groups, and fixing bolts are arranged in the second threaded holes (9) and the first threaded holes (3).