阅读说明：本技术 一种防结冰的曲轴箱通风管 (Anti-icing crankcase ventilation pipe ) 是由 边锋 潘世林 梅周盛 王红学 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种防结冰的曲轴箱通风管,包括曲轴箱,所述曲轴箱的外部开设有与通风管本体相匹配的通孔,所述通风管本体的两端分别插接在曲轴箱的通孔内,所述通风管本体外部设有空气滤清器,所述曲轴箱的一侧设有增压器,所述增压器外部设有进气管,所述进气管的一端设有进气口。曲轴箱外部设有通风管本体,通风管本体直接安装在进气管的进气口处,利用增压器压壳工作中自身的温度来防止通风管本体结冰,保证曲轴箱正常运作,此布置方式结构紧凑,减少额外的加热装置,降低成本,可靠性高。(The invention discloses an anti-icing crankcase ventilation pipe which comprises a crankcase, wherein a through hole matched with a ventilation pipe body is formed in the outer portion of the crankcase, two ends of the ventilation pipe body are respectively inserted into the through hole of the crankcase, an air filter is arranged on the outer portion of the ventilation pipe body, a supercharger is arranged on one side of the crankcase, an air inlet pipe is arranged on the outer portion of the supercharger, and an air inlet is formed in one end of the air inlet pipe. The crankcase outside is equipped with the ventilation pipe body, and ventilation pipe body direct mount prevents that the ventilation pipe body from freezing at the air inlet department of intake pipe in utilizing booster pressure shell work self temperature, guarantees the crankcase and normally operates, and this arrangement compact structure reduces extra heating device, reduce cost, and the reliability is high.)

1. An anti-icing crankcase ventilation duct comprising a crankcase (1), characterized in that: the ventilation pipe is characterized in that a through hole matched with the ventilation pipe body (2) is formed in the outer portion of the crankcase (1), two ends of the ventilation pipe body (2) are respectively inserted into the through hole of the crankcase (1), an air filter (8) is arranged on the outer portion of the ventilation pipe body (2), a supercharger (3) is arranged on one side of the crankcase (1), an air inlet pipe (4) is arranged on the outer portion of the supercharger (3), an air inlet (11) is arranged at one end of the air inlet pipe (4), a gasket (7) is welded to the outer portion of the air inlet pipe (4), a threaded hole matched with the outer diameter of a bolt (5) is formed in one side of the gasket (7), and the ventilation pipe body (2) is connected to the outer portion.

2. An ice protected crankcase ventilation manifold as claimed in claim 1 wherein: the ventilation pipe body (2) is located on two sides of the crankcase (1), and a sealing ring (10) is arranged at the joint of the ventilation pipe body (2) and the crankcase (1).

3. An ice protected crankcase ventilation manifold as claimed in claim 1 wherein: the heat conduction gasket (9) is sleeved outside the ventilation pipe body (2), and the shape of the heat conduction gasket (9) is matched with the longitudinal section of the ventilation pipe body (2).

4. An ice protected crankcase ventilation manifold as claimed in claim 1 wherein: the air filter (8) is positioned between the crankcase (1) and the supercharger (3), and mounting holes matched with the outer diameter of the ventilation pipe body (2) are formed in the two ends of the air filter (8).

5. An ice protected crankcase ventilation manifold as claimed in claim 1 wherein: the gasket (7) is rectangular in appearance, and a rust-proof paint layer is coated on the outer portion of the gasket (7).

6. An ice protected crankcase ventilation manifold as claimed in claim 1 wherein: the pipe clamp (6) is connected to the gasket (7) through a bolt (5) in a threaded mode, and the inner diameter of the pipe clamp (6) is matched with the outer diameter of the ventilation pipe body (2).

Technical Field

The invention relates to the technical field of crankcase ventilation, in particular to an anti-icing crankcase ventilation pipe.

Background

Crankcase ventilation must be implemented to prevent excessive crankcase pressure, extend engine oil life, reduce wear and corrosion of parts, and prevent engine oil leakage. In addition, crankcase ventilation system designs must also be implemented during automotive engine design to meet increasingly stringent emissions requirements and to improve economy.

When ice and snow weather is met, the crankcase ventilation system can be frozen and needs to be unfrozen, at present, additional parts must be added for realizing functions by adopting electric heating and water heating, the increase of the parts means the increase of cost, meanwhile, hidden dangers such as coolant leakage and control failure are increased in the application of the added parts invisibly, and the additionally added parts are not compact in arrangement.

Disclosure of Invention

The invention aims to provide an anti-icing crankcase ventilation pipe which mainly comprises a crankcase, a ventilation pipe, a supercharger, an air inlet pipe, an air filter and other components, wherein a ventilation pipe body is arranged outside the crankcase, the ventilation pipe body is directly arranged at the air inlet of the air inlet pipe, the temperature of the ventilation pipe body is used for preventing the ventilation pipe body from icing during the shell pressing work of the supercharger, the normal operation of the crankcase is ensured, the arrangement mode has a compact structure, additional heating devices are reduced, the cost is reduced, and the reliability is high.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anti-icing crankcase ventilation pipe, includes the crankcase, the through-hole that matches with the ventilation pipe body is seted up to the outside of crankcase, peg graft respectively in the through-hole of crankcase in the both ends of ventilation pipe body, ventilation pipe body outside is equipped with air cleaner, one side of crankcase is equipped with the booster, the booster outside is equipped with the intake pipe, the one end of intake pipe is equipped with the air inlet, the outside welding of intake pipe has the gasket, gasket one side seted up with bolt external diameter assorted screw hole, the ventilation pipe body passes through pipe clamp threaded connection in the outside of intake pipe.

Preferably, the ventilation pipe body is located on two sides of the crankcase, and a sealing ring is arranged at the joint of the ventilation pipe body and the crankcase.

Preferably, the outside of the ventilation pipe body is sleeved with a heat conduction gasket, and the shape of the heat conduction gasket is matched with the longitudinal section of the ventilation pipe body.

Preferably, the air filter is positioned between the crankcase and the supercharger, and mounting holes matched with the outer diameter of the ventilation pipe body are formed in two ends of the air filter.

Preferably, the gasket is rectangular in shape, and a rust-proof paint layer is coated on the outer portion of the gasket.

Preferably, the pipe clamp is connected to the gasket through a bolt and a thread, and the inner diameter of the pipe clamp is matched with the outer diameter of the vent pipe body.

Compared with the prior art, the invention has the beneficial effects that:

the crankcase outside is equipped with the ventilation pipe body, and ventilation pipe body direct mount prevents that the ventilation pipe body from freezing at the air inlet department of intake pipe in utilizing booster pressure shell work self temperature, guarantees the crankcase and normally operates, and this arrangement compact structure reduces extra heating device, reduce cost, and the reliability is high.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention.

In the figure: 1. a crankcase; 2. a vent tube body; 3. a supercharger; 4. an air inlet pipe; 5. a bolt; 6. a pipe clamp; 7. a gasket; 8. an air cleaner; 9. a thermally conductive gasket; 10. a seal ring; 11. an air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an anti-icing crankcase ventilation pipe comprises a crankcase 1, a through hole matched with a ventilation pipe body 2 is formed outside the crankcase 1, the ventilation pipe body 2 is positioned on two sides of the crankcase 1, a sealing ring 10 is arranged at the joint of the ventilation pipe body 2 and the crankcase 1 to increase the sealing performance, two ends of the ventilation pipe body 2 are respectively inserted into the through hole of the crankcase 1, an air filter 8 is arranged outside the ventilation pipe body 2, the air filter 8 is positioned between the crankcase 1 and a supercharger 3, mounting holes matched with the outer diameter of the ventilation pipe body 2 are formed in two ends of the air filter 8, the air filter 8 can effectively guarantee the quality of air in the pipe, the supercharger 3 is arranged on one side of the crankcase 1, an air inlet pipe 4 is arranged outside the supercharger 3, an air inlet 11 is arranged at one end of the air inlet pipe 4, a gasket 7 is welded outside, the outside coating of gasket 7 is equipped with the anti-rust paint layer, gasket 7 one side seted up with 5 external diameter assorted screw holes of bolt, vent pipe body 2 passes through 6 threaded connection of pipe clamp in the outside of intake pipe 4, pipe clamp 6 passes through 5 threaded connection of bolt in gasket 7, the internal diameter of pipe clamp 6 and 2 external diameter phase-matchs of vent pipe body, heat conduction packing ring 9 has been cup jointed to vent pipe body 2's outside, can further increase heat transfer effect, the appearance of heat conduction packing ring 9 and vent pipe body 2's longitudinal section phase-match.

The working principle is as follows: during the use, crankcase 1 outside is equipped with ventilation pipe body 2, and ventilation pipe body 2 direct mount is in the air inlet 11 department of intake pipe 4, utilizes the temperature of 3 pressure shells of booster self in the work to prevent that ventilation pipe body 2 from freezing, guarantees crankcase 1 normal operating, and this arrangement compact structure reduces extra heating device, reduce cost, and the reliability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.