阅读说明：本技术 一种曲轴箱通风管路的保温结构 (Insulation structure of crankcase ventilation pipeline ) 是由 磨小重 朱雄 韦建华 杨志渊 于 2021-09-29 设计创作，主要内容包括：本发明提供了一种曲轴箱通风管路的保温结构,属于曲轴箱通风管技术领域。该曲轴箱通风管路的保温结构,包括通风管道本体和保温组件,使用时,使电加热丝对通风管道本体进行加热,第一保温层会对通风管道本体以及电加热丝进行保温,第二保温层用于对通风管道本体以及电加热丝进行保温,然后密封层用于对隔热层进行密封,防水层用于防止外界的水进入密封层,进而可对通风管道本体进行防水,可较为有效的对通风管道本体进行加热保温,进而可较有效的防止通风管道本体内部结冰,使得通风管道本体不易发生堵塞,进而不易出现因通风管道本体堵塞而使发动机熄火以及密封面漏油的情况。(The invention provides a heat insulation structure of a crankcase ventilation pipeline, and belongs to the technical field of crankcase ventilation pipes. This heat preservation structure of crankcase ventilation pipeline, including air pipe body and heat preservation subassembly, during the use, make the electrical heating silk heat the air pipe body, first heat preservation can keep warm air pipe body and electrical heating silk, the second heat preservation is used for keeping warm air pipe body and electrical heating silk, then the sealing layer is used for sealing up the insulating layer, the waterproof layer is used for preventing external water from getting into the sealing layer, and then can waterproof the air pipe body, can comparatively effectually heat the heat preservation to the air pipe body, and then can more effectually prevent that air pipe body is inside to freeze, make the difficult emergence of air pipe body block up, and then difficult appearance makes the engine stall and the condition of sealed face oil leak because of air pipe body blocks up.)

1. A heat insulation structure of a crankcase ventilation pipeline is characterized by comprising

A ventilation duct body (100);

insulation assembly (200), insulation assembly (200) includes electric heating wire (210), first heat preservation (220), second heat preservation (230), insulating layer (240), sealing layer (250) and waterproof layer (260), first heat preservation (220) cover is located the outer wall of ventilation duct body (100), electric heating wire (210) connect in the outer wall of ventilation duct body (100), electric heating wire (210) are located the inside of first heat preservation (220), second heat preservation (230) cover is located the outer wall of first heat preservation (220), insulating layer (240) cover is in the outer wall of second heat preservation (230), sealing layer (250) cover is located the outside of insulating layer (240), waterproof layer (260) cover is located the outer wall of insulating layer (240).

2. A crankcase ventilation line insulation structure according to claim 1, wherein the first insulation layer (220) is made of mineral wool material.

3. The insulation structure of the crankcase ventilation pipeline according to claim 1, wherein a plurality of electric heating wires (210) are arranged, and the plurality of electric heating wires (210) are uniformly connected to the outer wall of the ventilation pipeline body (100).

4. The insulation structure of the crankcase ventilation pipeline according to claim 3, wherein the outer wall of the ventilation pipeline body (100) is provided with a plurality of connecting slots (110), and the connecting slots (110) are uniformly distributed.

5. The insulation structure of the crankcase ventilation pipeline according to claim 4, wherein a plurality of the electric heating wires (210) are respectively connected to the insides of a plurality of the connecting slots (110) in a one-to-one correspondence manner.

6. A crankcase ventilation pipeline insulation structure according to claim 1, characterized in that the second insulation layer (230) is made of rubber sponge.

7. A crankcase ventilation line insulation structure according to claim 1, wherein the insulation layer (240) is made of aerogel material.

8. A crankcase ventilation pipeline insulation structure according to claim 1, wherein the sealing layer (250) is a heat shrink tube.

9. The insulation structure of the crankcase ventilation pipeline according to claim 1, wherein the waterproof layer (260) is fixedly sleeved with connecting plates (270), and connecting holes (271) are formed in four corners of the sleeve body of each connecting plate (270).

10. Insulation structure of a crankcase ventilation pipe according to claim 1, characterized in that the waterproof layer (260) is made of waterproof roll material.

Technical Field

The invention relates to the field of crankcase ventilation pipelines, in particular to a heat insulation structure of a crankcase ventilation pipeline.

Background

When the engine of the vehicle is in operation, part of the high-pressure combustible mixture and the burnt gas in the combustion chamber can enter the crankcase through the clearance between the piston group and the cylinder. When the pressure in the crankcase increases, the air entering the crankcase can be discharged through the crankcase ventilation pipeline, and the crankcase ventilation pipeline needs to keep normal ventilation when the engine works.

When the environmental temperature is low, water vapor entering the crankcase ventilation pipeline is very easy to freeze in the crankcase ventilation pipeline, and further the crankcase ventilation pipeline is very easy to block, so that gas in the crankcase cannot be discharged, and the conditions of engine flameout and oil leakage on the sealing surface are very easy to cause.

Disclosure of Invention

In order to make up for the defects, the invention provides a heat insulation structure of a crankcase ventilation pipeline, aiming at solving the problems that the inside of the crankcase ventilation pipeline is easy to freeze, so that an engine is easy to shut down and the oil leakage of the sealing surface of the engine is easy to occur.

The invention is realized by the following steps:

the invention provides a heat insulation structure of a crankcase ventilation pipeline, which comprises a ventilation pipeline body and a heat insulation assembly.

The heat preservation subassembly includes electric heating wire, first heat preservation, second heat preservation, insulating layer, sealing layer and waterproof layer, first heat preservation cover is located the outer wall of air pipe body, electric heating wire connect in the outer wall of air pipe body, electric heating wire is located the inside on first heat preservation, second heat preservation cover is located the outer wall on first heat preservation, the insulating layer cover is in the outer wall of second heat preservation, the sealing layer cover is located the outside of insulating layer, the waterproof layer cover is located the outer wall of insulating layer.

In one embodiment of the invention, the first insulating layer is made of mineral wool material.

In an embodiment of the present invention, the electric heating wires are provided in a plurality, and the plurality of electric heating wires are uniformly connected to the outer wall of the ventilation duct body.

In an embodiment of the present invention, the outer wall of the ventilation duct body is provided with a plurality of connecting grooves, and the plurality of connecting grooves are uniformly distributed.

In an embodiment of the present invention, a plurality of the electric heating wires are respectively connected to the insides of a plurality of the connecting grooves in a one-to-one correspondence manner.

In one embodiment of the invention, the second insulating layer is made of rubber sponge.

In one embodiment of the invention, the insulation layer is made of aerogel material.

In one embodiment of the present invention, the sealing layer is a heat shrinkable tube.

In an embodiment of the invention, the outer wall of the waterproof layer is fixedly sleeved with a connecting plate, and four corners of the connecting plate sleeve body are respectively provided with a connecting hole.

In one embodiment of the invention, the waterproof layer is made of a waterproof roll.

The invention has the beneficial effects that: the invention obtains the heat preservation structure of the crankcase ventilation pipeline through the design, when in use, the heat preservation structure supplies power to the electric heating wire, so that the electric heating wire heats the ventilation pipeline body, the first heat preservation layer can preserve heat of the ventilation pipeline body and the electric heating wire, the second heat preservation layer is used for preserving heat of the first heat preservation layer, so as to preserve heat of the ventilation pipeline body and the electric heating wire, the heat insulation layer is used for insulating heat of the second heat preservation layer, so as to insulate heat of the ventilation pipeline body and the electric heating wire, then the sealing layer is used for sealing the heat insulation layer, so as to further seal the ventilation pipeline body, the electric heating wire, the first heat preservation layer and the second heat preservation layer, the waterproof layer is used for preventing external water from entering the sealing layer, so as to further prevent the ventilation pipeline body from being waterproof, so as to heat and preserve heat of the ventilation pipeline body more effectively, thereby preventing the internal part of the ventilation pipeline from being frozen, the ventilation pipeline body is not easy to block, and the conditions of engine flameout and oil leakage on the sealing surface due to the blockage of the ventilation pipeline body are not easy to occur.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an overall cross-sectional structure of a thermal insulation structure of a crankcase ventilation pipeline according to an embodiment of the invention;

fig. 2 is a schematic structural diagram of a ventilation duct body according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a heat-insulating assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a part of the ventilation duct body and the electric heating wire provided by the embodiment of the invention;

fig. 5 is a schematic structural diagram of a connection plate according to an embodiment of the present invention.

In the figure: 100-a ventilation duct body; 110-a connecting trough; 200-a heat preservation component; 210-an electric heating wire; 220-first insulating layer; 230-a second insulating layer; 240-a thermal insulation layer; 250-a sealing layer; 260-a waterproof layer; 270-a connecting plate; 271-connecting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a heat insulation structure for a crankcase ventilation pipeline, including a ventilation pipeline body 100 and a heat insulation assembly 200.

Referring to fig. 1 and 2, the outer wall of the ventilation duct body 100 is provided with a plurality of connecting grooves 110, and the connecting grooves 110 are uniformly distributed.

Referring to fig. 1 to 5, the heat insulation assembly 200 includes an electric heating wire 210, a first heat insulation layer 220, a second heat insulation layer 230, a heat insulation layer 240, a sealing layer 250, and a waterproof layer 260, the first heat insulation layer 220 is sleeved on the outer wall of the ventilation duct body 100 through glue, the first heat insulation layer 220 is made of a mineral wool material, the first heat insulation layer 220 is used for heat insulation of the ventilation duct body 100, and the mineral wool has a light weight characteristic and does not increase too much weight.

In this embodiment, electric heating wire 210 is connected in the outer wall of ventilation duct body 100, electric heating wire 210 links to each other with external power supply unit, supply power for electric heating wire 210 alright heat ventilation duct body 100, electric heating wire 210 is provided with a plurality of, the even outer wall of connecting in ventilation duct body 100 of a plurality of electric heating wire 210, the inside in a plurality of connecting groove 110 of connecting of a plurality of electric heating wire 210 difference one-to-one, a plurality of electric heating wire 210 can be very quick effectual through work and heat ventilation duct body 100, electric heating wire 210 is located the inside of first heat preservation 220.

In this application, the outer wall of first heat preservation 220 is located to second heat preservation 230 cover, second heat preservation 230 is through sealed glue connection in the outer wall of first heat preservation 220, second heat preservation 230 is made by rubber sponge, rubber sponge's density is little, elasticity and flexibility are excellent, and have good shock attenuation, give sound insulation, heat-proof quality, and is comparatively practical, insulating layer 240 overlaps in the outer wall of second heat preservation 230, insulating layer 240 is through sealed glue connection in the outer wall of second heat preservation 230, insulating layer 240 is made by aerogel material, the aerogel has very good thermal-insulated effect.

When specifically setting up, the outside of insulating layer 240 is established to sealing layer 250 cover, sealing layer 250 is connected in the outside of insulating layer 240 through sealed glue, sealing layer 250 is the pyrocondensation pipe, sealing layer 250 is used for sealedly, the outer wall of insulating layer 240 is located to waterproof layer 260 cover, waterproof layer 260 is connected in the outer wall of insulating layer 240 through resistant microthermal waterproof glue, waterproof layer 260 is made by waterproofing membrane, the fixed cover of waterproof layer 260 outer wall is equipped with connecting plate 270, connecting hole 271 has all been seted up to four corners of the connecting plate 270 cover body, accessible connecting hole 271 links to each other with external connecting device, the convenience is fixed ventilation pipe body 100.

Specifically, this crankcase ventilation pipeline's insulation construction's theory of operation: when the air duct body 100 is used, the plurality of electric heating wires 210 are powered, the plurality of electric heating wires 210 are enabled to heat the air duct body 100, the first heat preservation layer 220 can preserve heat of the air duct body 100 and the plurality of electric heating wires 210, the second heat preservation layer 230 is used for preserving heat of the first heat preservation layer 220, the air duct body 100 and the plurality of electric heating wires 210 are preserved heat, the heat insulation layer 240 is used for insulating heat of the second heat preservation layer 230, the air duct body 100 and the plurality of electric heating wires 210 are insulated heat, the sealing layer 250 is used for sealing the heat insulation layer 240, the air duct body 100, the plurality of electric heating wires 210, the first heat preservation layer 220 and the second heat preservation layer 230 are further sealed, the waterproof layer 260 is used for preventing external water from entering the sealing layer 250, the air duct body 100 can be further prevented from being waterproofed, and the air duct body 100 can be effectively heated and preserved heat, furthermore, the internal icing of the ventilation duct body 100 can be effectively prevented, so that the ventilation duct body 100 is not easy to block, and the conditions of engine flameout and oil leakage on the sealing surface due to the blockage of the ventilation duct body 100 are not easy to occur.

It should be noted that the specific model specification of the electric heating wire 210 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The supply of the electric heating wire 210 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.