CN219197432U - Crankcase ventilation pipe heating structure and vehicle - Google Patents

Crankcase ventilation pipe heating structure and vehicle Download PDF

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Publication number
CN219197432U
CN219197432U CN202320348480.5U CN202320348480U CN219197432U CN 219197432 U CN219197432 U CN 219197432U CN 202320348480 U CN202320348480 U CN 202320348480U CN 219197432 U CN219197432 U CN 219197432U
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China
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section
crankcase ventilation
ventilation pipe
transition
heating structure
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CN202320348480.5U
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Chinese (zh)
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寇明海
常健
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Chongqing Seres New Energy Automobile Design Institute Co Ltd
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Chongqing Seres New Energy Automobile Design Institute Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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Abstract

The application provides a crankcase ventilation pipe heating structure and a vehicle, wherein the heating structure comprises a first connecting part, and the first connecting part is provided with a first end and a second end; the second connecting part is provided with a third end and a fourth end, and the second end and the fourth end are respectively communicated with two engine cooling liquid pipes; the third connecting part is used for connecting the first end and the third end, and a first space is formed among the first connecting part, the second connecting part and the third connecting part; the crankcase ventilation pipe passes through the first space, and the side wall of the crankcase ventilation pipe and the side wall of the third connecting part can realize heat conduction; this scheme heats the crankcase ventilation pipe through increasing the third connecting portion, need not to change the position of crankcase ventilation pipe, has avoided the restricted problem in space, and directly heats it with crankcase ventilation pipe contact, has improved the heating effect, has avoided the crankcase ventilation pipe to freeze.

Description

Crankcase ventilation pipe heating structure and vehicle
Technical Field
The application relates to the technical field of automobiles, in particular to a crankcase ventilation pipe heating structure and a vehicle.
Background
The gas exhausted from the cylinder cover of the automobile is introduced into the empty clean pipe through the crankcase ventilation pipe, wherein the gas exhausted from the cylinder cover contains water vapor and oil gas, water in the water vapor is in a gaseous state or a fog state, when the gas passes through a low-temperature area, the gas can be condensed into water drops, the flow rate in the curved pipe is not high, and the water drops are difficult to quickly flow from the low-temperature area to a relatively high-temperature area. And thus solidifies again under the continuous action of low temperature. After icing, the engine efficiency is reduced, so that the power is insufficient when the vehicle runs, flameout and engine oil burning phenomena can occur when the vehicle runs seriously, and in addition, for a turbocharged vehicle type, the turbocharger can be damaged after the ice slag scraps fall off.
In the prior art, the crankcase ventilation pipe is close to the heat source, and the method is very limited by the arrangement space, and the distance is greatly reduced once the distance is slightly far away.
Disclosure of Invention
In view of the foregoing drawbacks or deficiencies in the prior art, the present application is directed to a crankcase ventilation tube heating structure and a vehicle.
In a first aspect, the present application provides a crankcase ventilation tube heating structure comprising:
a first connection portion having a first end and a second end;
the second connecting part is provided with a third end and a fourth end, and the second end and the fourth end are respectively communicated with two engine cooling liquid pipes;
the third connecting part is used for connecting the first end and the third end, and a first space is formed among the first connecting part, the second connecting part and the third connecting part;
the crankcase ventilation pipe passes through the first space, and the side wall of the crankcase ventilation pipe and the side wall of the third connecting part can realize heat conduction.
According to the technical solution provided in the embodiments of the present application, the third connection portion includes:
a first connection section in communication with the first end;
a second connection section in communication with the third end;
a third connection section for connecting the free ends of the first and second connection sections; the third connecting section extends circumferentially around a sidewall of the crankcase ventilation tube.
According to the technical scheme provided by the embodiment of the application, the first connecting section comprises a first transition section, and the first transition section is arranged between the third connecting section and the first end; the second connecting section comprises a second transition section, and the second transition section is arranged between the third connecting section and the third end.
According to the technical scheme provided by the embodiment of the application, the middle part of the first transition section is bent towards the side close to the crankcase ventilation pipe; the second transition section is curved in a middle portion toward a side near the crankcase ventilation pipe.
According to the technical scheme provided by the embodiment of the application, the first connecting section further comprises a first extending section, and the first extending section is arranged between the first transition section and the third connecting section; the second connecting section further comprises a second extending section, and the second extending section is arranged between the second transition section and the third connecting section.
According to the technical scheme provided by the embodiment of the application, the first connecting section further comprises a first lengthening section, and the first lengthening section is arranged between the first end and the first transition section; the second connecting section further comprises a second lengthening section, and the second lengthening section is arranged between the third end and the second transition section.
According to the technical scheme provided by the embodiment of the application, the extending direction of the first extending section is perpendicular to the extending direction of the first connecting part; the extending direction of the second extending section is perpendicular to the extending direction of the second connecting portion.
According to the technical scheme provided by the embodiment of the application, one end of the crankcase ventilation pipe is communicated with the cylinder cover, the other end of the crankcase ventilation pipe is communicated with a crankcase ventilation pipe transition part, and the crankcase ventilation pipe transition part is far away from the cylinder cover end and is communicated with an empty filter clean pipe; the crankcase ventilation pipe transition portion passes through the first space, and the side wall of the crankcase ventilation pipe transition portion and the side wall of the third connecting section can achieve heat conduction.
According to the technical scheme provided by the embodiment of the application, the first lengthening section is fixedly connected with the first end, the second lengthening section is fixedly connected with the third end through the elastic clamp.
In a second aspect, the present application contemplates a vehicle comprising the crankcase ventilation heating structure of the first aspect.
In summary, the present application proposes a crankcase ventilation pipe heating structure, in which a third connecting portion is disposed between a first connecting portion and a second connecting portion that are communicated with an engine coolant pipe, and a first space is formed among the first connecting portion, the second connecting portion and the third connecting portion, the crankcase ventilation pipe can pass through the first space, and a side wall of the crankcase ventilation pipe and a side wall of the third connecting portion can conduct heat; when the engine cooling liquid pipe is used, after the cooling liquid in the engine cooling liquid pipe is heated, the heated cooling liquid flows through the third connecting part, and the third connecting part and the side wall of the crankcase ventilation pipe can conduct heat, so that the crankcase ventilation pipe can be heated by the hot cooling liquid; this scheme heats the crankcase ventilation pipe through increasing the third connecting portion, need not to change the position of crankcase ventilation pipe, has avoided the restricted problem in space, and directly heats it with crankcase ventilation pipe contact, has further improved the heating effect, has avoided the crankcase ventilation pipe to freeze.
Drawings
FIG. 1 is a schematic diagram of a crankcase ventilation heating structure according to an embodiment of the disclosure;
fig. 2 is a schematic diagram of a structure including a crankcase ventilation tube heating structure, a cylinder head cover, an air filter clean tube, and an engine coolant tube provided in an embodiment of the present application.
The text labels in the figures are expressed as:
1. a first connection portion; 11. a first end; 12. a second end; 2. a second connecting portion; 21. a third end; 22. a fourth end; 3. an engine coolant line; 4. a third connecting portion; 411. a first transition section; 412. a first extension; 413. a first extension; 421. a second transition section; 422. a second extension; 423. a second extension; 43. a third connecting section; 5. a first space; 6. crankcase ventilation pipe; 7. a cylinder head cover; 8. a crankcase ventilation pipe transition; 9. air filtering to clean the pipe; 10. and (5) an elastic clamp.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As mentioned in the background art, to the problems in the prior art, the present application proposes a crankcase ventilation tube heating structure comprising:
a first connection 1, said first connection 1 having a first end 11 and a second end 12;
a second connection 2, said second connection 2 having a third end 21 and a fourth end 22, said second end 12 and said fourth end 22 being in communication with two engine coolant pipes 3, respectively;
a third connecting portion 4, where the third connecting portion 4 is used to connect the first end 11 and the third end 21, and a first space 5 is formed among the first connecting portion 1, the second connecting portion 2, and the third connecting portion 4;
the crankcase ventilation pipe 6 passes through the first space 5, and the side wall of the crankcase ventilation pipe 6 and the side wall of the third connecting portion 4 can realize heat conduction.
Referring to fig. 1 and 2, the first connecting portion 1 is a first connecting tube, the second connecting portion 2 is a second connecting tube, the first connecting tube and the second connecting tube are disposed in parallel near the third connecting portion 4, in the prior art, the first end 11 of the first connecting tube is communicated with the third end 21 of the second connecting tube, and a cooling liquid is circulated therein; the third connecting part 4 is arranged between the existing first connecting pipe and the second connecting pipe, and the side wall of the third connecting part 4 can conduct heat with the side wall of the crankcase ventilation pipe 6; optionally, the third connecting part 4 is formed by welding 6063 aluminum tubes; when in use, after the cooling liquid in the engine cooling liquid pipe 3 is heated, the heated cooling liquid flows through the third connecting part 4, and is thermally conducted with the crankcase ventilation pipe 6 through the third connecting part 4, so that the heating effect is improved, the phenomenon that the crankcase ventilation pipe 6 is frozen is avoided, in addition, the crankcase ventilation pipe 6 is heated through the third connecting part 4 additionally arranged between the first connecting pipe and the second connecting pipe, the position of the crankcase ventilation pipe 6 is not required to be changed, and the problem of space limitation is avoided.
In a preferred embodiment, the third connecting portion 4 includes:
a first connection section in communication with the first end 11;
a second connection section in communication with the third end 21;
a third connecting section 43, the third connecting section 43 being for connecting the free ends of the first and second connecting sections; the third connecting section 43 extends circumferentially around the side wall of the crankcase ventilation pipe 6.
Referring to fig. 1 and 2, the first connecting section and the second connecting section have the same structure, and the coolant flows through the engine coolant pipe 3, the first connecting section, the third connecting section 43, and the second connecting section, and then flows into the engine coolant pipe 3 to form a circulation. The third connecting section 43 is a curved pipe and is wound outside the crankcase ventilation pipe 6, and optionally, the third connecting section 43 is a semicircle.
In a preferred embodiment, the first connecting section comprises a first transition section 411, the first transition section 411 being provided between the third connecting section 43 and the first end 11; the second connection section includes a second transition section 421, and the second transition section 421 is disposed between the third connection section 43 and the third end 21. The middle part of the first transition section 411 is bent towards the side close to the crankcase ventilation pipe 6; the middle of the second transition 421 is curved toward the crankcase ventilation pipe 6 side.
Referring to fig. 1 and fig. 2, the first transition section 411 and the second transition section 421 have the same structure and are curved pipes, and optionally have a quarter circle shape, and optionally, the extending directions of the ends of the first transition section 411 and the second transition section 421 near the first connection portion 1 or the second connection portion 2 are horizontal directions, and the extending directions of the ends far away from the first connection portion 1 or the second connection portion 2 are vertical directions, so that the third connection section 43 can be lifted up through the first transition section 411 and the second transition section 421, and the crankcase ventilation pipe 6 can pass through the first space 5.
In a preferred embodiment, the first connecting section further comprises a first extension section 412, the first extension section 412 being arranged between the first transition section 411 and the third connecting section 43; the second connecting section further includes a second extension 422, and the second extension 422 is disposed between the second transition section 421 and the third connecting section 43. The extending direction of the first extending section 412 is perpendicular to the extending direction of the first connecting portion 1; the extending direction of the second extension 422 is perpendicular to the extending direction of the second connection portion 2.
Referring to fig. 1, a first transition section 411 is disposed between the first extension section 412 and the first connection portion 1, and the first transition section 411 is a quarter circle, so that the extension direction of the first extension section 412 is perpendicular to the extension direction of the first connection portion 1; a second transition section 421 is disposed between the second extension section 422 and the second connection portion 2, and the second transition section 421 is a quarter circle, so that the second extension section 422 is perpendicular to the extension direction of the second connection portion 2; the first extension 412 and the second extension 422 are vertical pipes, and the first extension 412 and the second extension 422 of different heights can be selected by the crankcase ventilation pipe 6 position, so that the crankcase ventilation pipe 6 can pass through the first space 5.
In a preferred embodiment, the first connecting section further comprises a first elongated section 413, said first elongated section 413 being provided between said first end 11 and said first transition section 411; the second connecting section further includes a second extension 423, where the second extension 423 is disposed between the third end 21 and the second transition 421 section.
Referring to fig. 1 and 2, optionally, the first extension 413 and the second extension 423 are transverse tubes; when the first transition section 411 is far from the first end 11 near the first end 11 or the second transition section 421 is far from the third end 21 near the third end 21, the first transition section 411 and the first end 11 may be connected by the first extension pipe 413 or the second extension pipe 423, or the second transition section 421 and the third end 21 may be connected, and the lengths of the first extension pipe 513 and the second extension pipe 423 may be determined according to the horizontal distance between the crankcase ventilation pipe 6 and the first connection portion 1 and the second connection portion 2, without changing the structure of the crankcase ventilation pipe 6, thereby improving the applicability of the present solution.
In a preferred embodiment, one end of the crankcase ventilation pipe 6 is communicated with the cylinder cover 7, the other end of the crankcase ventilation pipe is communicated with a crankcase ventilation pipe transition portion 8, and the end of the crankcase ventilation pipe transition portion 8 away from the cylinder cover 7 is communicated with an air filtering clean pipe 9; the crankcase ventilation pipe transition 8 passes through the first space 5, and the side wall of the crankcase ventilation pipe transition 8 and the side wall of the third connecting section 43 are capable of heat conduction.
Referring to fig. 1 and 2, the crankcase ventilation pipe transition portion 8 is a transverse pipe, the crankcase ventilation pipe transition portion 8 is additionally provided between the crankcase ventilation pipe 6 and the air filtering clean pipe 9, the third connecting section 43 is sleeved outside the crankcase ventilation pipe transition portion 8, the length of the crankcase ventilation pipe transition portion 8 can be determined according to the length and the structure of the third connecting portion 4, the structure of the crankcase ventilation pipe 6 is not required to be changed, and the applicability of the heating structure is improved. In addition, the outer diameter of the crankcase ventilation pipe transition portion 8 is smaller than the outer diameter of the crankcase ventilation pipe 6, so that the third connecting section 43 is wound around the crankcase ventilation pipe 6, and compared with the third connecting section 43 is wound around the crankcase ventilation pipe transition portion 8, the length of the third connecting section 43 is reduced, and the space is greatly saved.
In a preferred embodiment, the first extension 413 and the first end 11, the second extension 423 and the third end 21 are fixedly connected by the elastic band 10. Wherein, the material of the first connecting part 1 and the second connecting part 2 is rubber. During installation, the first extension 413 is inserted into the first connecting portion 1, the second extension 423 is inserted into the second connecting portion 2, and the rubber has ductility, so that the first extension 413 or the second extension 423 with a larger outer diameter can be adapted, and the sealing performance of the rubber is strong, so that leakage of the cooling liquid is avoided. The elastic clamp 10 is disposed at the connection position of the first connection portion 1 or the second connection portion 2 and the first extension portion 413 or the second extension portion 423, the inner diameter of the connection position of the first connection portion 1 and the first extension portion 413 is adjustable through the elastic clamp 10, the inner wall of the first connection portion 1 is tightly attached to the outer wall of the first extension portion 413, the inner wall of the second connection portion 2 is tightly attached to the outer wall of the second extension portion 423, and the elastic clamp 10 is in the prior art and is not described herein.
Example 2
The application also proposes a vehicle comprising a crankcase ventilation tube heating structure according to embodiment 1.
Referring to fig. 2, the crankcase ventilation pipe heating structure is disposed in a cabin of a vehicle head, the crankcase ventilation pipe 6 is U-shaped, one end of the crankcase ventilation pipe is communicated with the cylinder head cover 7, the other end of the crankcase ventilation pipe is communicated with the crankcase ventilation pipe transition portion 8, the crankcase ventilation pipe transition portion 8 is far away from the crankcase ventilation pipe 6 and is communicated with the clean air filtering pipe 9, and water vapor and oil vapor of the cylinder head cover 7 flow through the crankcase ventilation pipe 6 and the crankcase ventilation pipe transition portion 8 and enter the clean air filtering pipe 9; the third connecting portion 4 is also U-shaped, is sleeved outside the crankcase ventilation pipe transition portion 8 and is abutted to the crankcase ventilation pipe transition portion 8, the third connecting portion 4 is communicated with the engine coolant pipe 3 through the first connecting portion 1 and the second connecting portion 2, and when coolant in the engine coolant pipe 3 is heated and circulated and flows, the crankcase ventilation pipe transition portion 8 can be heated, and then the crankcase ventilation pipe 6 is heated, so that the crankcase ventilation pipe 6 is prevented from freezing.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present utility model; such modifications, variations and combinations, or the direct application of the concepts and aspects of the utility model in other applications without modification, are intended to be within the scope of this application.

Claims (10)

1. A crankcase ventilation tube heating structure, comprising:
a first connection (1), the first connection (1) having a first end (11) and a second end (12);
a second connection (2), the second connection (2) having a third end (21) and a fourth end (22), the second end (12) and the fourth end (22) being in communication with two engine coolant pipes (3), respectively;
a third connecting portion (4), wherein the third connecting portion (4) is used for connecting the first end (11) and the third end (21), and a first space (5) is formed among the first connecting portion (1), the second connecting portion (2) and the third connecting portion (4);
the crankcase ventilation pipe (6) passes through the first space (5), and the side wall of the crankcase ventilation pipe (6) and the side wall of the third connecting part (4) can realize heat conduction.
2. The crankcase ventilation conduit heating structure of claim 1, wherein: the third connection part (4) includes:
-a first connection section in communication with the first end (11);
a second connection section in communication with the third end (21);
-a third connection section (43), the third connection section (43) being for connecting the free ends of the first and second connection sections; the third connecting section (43) extends circumferentially around a side wall of the crankcase ventilation tube (6).
3. The crankcase ventilation conduit heating structure of claim 2, wherein: the first connecting section comprises a first transition section (411), and the first transition section (411) is arranged between the third connecting section (43) and the first end (11); the second connecting section comprises a second transition section (421), and the second transition section (421) is arranged between the third connecting section (43) and the third end (21).
4. A crankcase ventilation heating structure according to claim 3, wherein: the middle part of the first transition section (411) is bent towards the side close to the crankcase ventilation pipe (6); the middle of the second transition section (421) is bent towards the side close to the crankcase ventilation pipe (6).
5. The crankcase ventilation conduit heating structure of claim 4, wherein: the first connecting section further comprises a first extending section (412), and the first extending section (412) is arranged between the first transition section (411) and the third connecting section (43); the second connecting section further comprises a second extending section (422), and the second extending section (422) is arranged between the second transition section (421) and the third connecting section (43).
6. The crankcase ventilation conduit heating structure of claim 5, wherein: the first connection section further comprises a first elongated section (413), the first elongated section (413) being arranged between the first end (11) and the first transition section (411); the second connecting section further comprises a second lengthening section (423), and the second lengthening section (423) is arranged between the third end (21) and the second transition section (421).
7. The crankcase ventilation conduit heating structure of claim 5, wherein: the extending direction of the first extending section (412) is perpendicular to the extending direction of the first connecting part (1); the extending direction of the second extending section (422) is perpendicular to the extending direction of the second connecting part (2).
8. The crankcase ventilation conduit heating structure of claim 2, wherein: one end of the crankcase ventilation pipe (6) is communicated with the cylinder cover (7), the other end of the crankcase ventilation pipe is communicated with the crankcase ventilation pipe transition part (8), and the crankcase ventilation pipe transition part (8) is communicated with the air filtering clean pipe (9) far away from the end of the cylinder cover (7); the crankcase ventilation pipe transition (8) passes through the first space (5), and the side wall of the crankcase ventilation pipe transition (8) and the side wall of the third connecting section (43) are capable of achieving heat conduction.
9. The crankcase ventilation conduit heating structure of claim 6, wherein: the first extension section (413) is fixedly connected with the first end (11), the second extension section (423) is fixedly connected with the third end (21) through an elastic clamp (10).
10. A vehicle, characterized in that: a crankcase ventilation heating structure comprising any of claims 1-9.
CN202320348480.5U 2023-02-28 2023-02-28 Crankcase ventilation pipe heating structure and vehicle Active CN219197432U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320348480.5U CN219197432U (en) 2023-02-28 2023-02-28 Crankcase ventilation pipe heating structure and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320348480.5U CN219197432U (en) 2023-02-28 2023-02-28 Crankcase ventilation pipe heating structure and vehicle

Publications (1)

Publication Number Publication Date
CN219197432U true CN219197432U (en) 2023-06-16

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ID=86724754

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320348480.5U Active CN219197432U (en) 2023-02-28 2023-02-28 Crankcase ventilation pipe heating structure and vehicle

Country Status (1)

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CN (1) CN219197432U (en)

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