CN219139184U

CN219139184U - Degassing structure of engine

Info

Publication number: CN219139184U
Application number: CN202222568262.0U
Authority: CN
Inventors: 陈晓克; 樊心龙; 王春玲; 孙朝进; 梁剑锋
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-06
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an engine degassing structure which comprises a degassing pipe arranged on a cylinder cover of a longitudinal engine body, wherein the degassing pipe is communicated with an expansion water tank, an air outlet hole communicated with an inner cavity of a cylinder cover water jacket of the cylinder cover is arranged at the side part of the front end of the cylinder cover, and the air outlet hole is communicated with the expansion water tank through the degassing pipe. The utility model relates to an engine degassing structure, which belongs to the technical field of engine cooling, wherein an air outlet hole is arranged at the side part of the front end of a tilted cylinder cover, so that air in a water jacket can flow out conveniently, the air outlet pipe is connected with an expansion water tank, the air in the water jacket cavity of the cylinder cover is degassed, the air is discharged conveniently, the expansion water tank is ensured to fill the water jacket of the cylinder cover with cooling liquid quickly, the engine is ensured to be cooled effectively, the engine body temperature of the longitudinally arranged engine is prevented from being too high, and the normal use of the engine is ensured.

Description

Degassing structure of engine

Technical Field

The present utility model relates to engine cooling technology, and more particularly, to an engine degassing structure.

Background

The heat dissipating (cooling) system of the automobile is a closed circulation system, and the circulation of cooling liquid helps the engine consume excessive heat. When air exists in the circulating system, normal circulation of the cooling liquid is blocked, the cooling effect is reduced, the engine body temperature is overhigh, and normal use of the engine is affected.

The cooling liquid outlet of the engine is positioned at the rear end of the cylinder cover of the engine, a gas removal port is arranged on a cooling liquid outlet connector at the rear end of the cylinder cover, a gas removal pipe is arranged on the gas removal port, and the gas removal pipe is connected with the whole-vehicle expansion water tank to remove gas from the engine.

When the engine is longitudinally arranged on the whole vehicle, the crankshaft center line of the engine can normally form an included angle of 3-5 degrees with the ground plane due to the arrangement requirements of the whole vehicle power assembly and the transmission system, namely the front part of the engine is high and the rear part of the engine is low. At this time, the scavenging port provided at the rear end of the engine will not be the highest position of the engine head jacket, which will affect the scavenging effect of the engine and thus the primary charging rate of the coolant.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art and aims to provide an engine degassing structure.

In order to achieve the above purpose, the utility model provides an engine degassing structure, which comprises a degassing pipe arranged on a cylinder cover of a longitudinal engine body, wherein the degassing pipe is communicated with an expansion water tank, the side part of the front end of the cylinder cover is provided with an air outlet hole communicated with an inner cavity of a cylinder cover water jacket of the cylinder cover, and the air outlet hole is communicated with the expansion water tank through the degassing pipe.

Further, the gas outlet hole is connected with a gas outlet connector, the gas outlet connector is sleeved with the gas outlet connector, and the inner end of the gas outlet connector is spliced with the gas outlet hole.

Further, the inner end of the air outlet joint is in threaded connection with the air outlet hole through a threaded pipe.

Furthermore, an air duct connected with the expansion water tank is connected to the periphery of the cylinder cover above the air outlet hole, a tee joint structure is arranged on the air duct, and the air duct is connected with the tee joint structure.

Furthermore, the air duct is arranged around the cylinder cover, and the position of one end, connected with the expansion water tank, of the air duct is higher than the position of the tee joint structure.

Advantageous effects

Compared with the prior art, the engine degassing structure has the following beneficial effects: this engine degasification structural design is reasonable, sets up the venthole in the front end lateral part of cylinder head perk, and the gaseous outflow in the water jacket of being convenient for is connected with expansion tank through the gas removal pipe, carries out the degasification to the water jacket inner chamber of cylinder head, and the gaseous discharge of being convenient for guarantees that expansion tank can be quick annotates the coolant liquid with the water jacket of cylinder head, guarantees that the engine obtains effective cooling, prevents to indulge and put engine organism high temperature, guarantees the normal use of engine.

Drawings

FIG. 1 is a structural perspective view of an engine degassing structure on a cylinder head of the present utility model;

FIG. 2 is a structural side view of an engine degassing structure on a cylinder head of the present utility model;

fig. 3 is a perspective view of a structure of an engine block and a cylinder head longitudinally arranged in the present utility model.

In the figure: 1. a longitudinally arranged engine body; 2. a cylinder head; 3. a deaeration pipe; 4. an air outlet hole; 5. an expansion tank; 6. an air outlet joint; 7. an air duct; 8. a tee structure; 9. and (3) a bracket.

Detailed Description

The utility model is further described below in connection with the examples, which are not to be construed as limiting the utility model in any way, but rather as falling within the scope of the claims.

The specific embodiments of the present utility model are as follows: referring to fig. 1-3, an engine degassing structure comprises a degassing pipe 3 arranged on a cylinder cover 2 of a longitudinal engine body 1, wherein the degassing pipe 3 is communicated with an expansion tank 5, an air outlet hole 4 communicated with a water jacket cavity of the cylinder cover 2 is arranged on the side part of the front end of the cylinder cover 2, the air outlet hole 4 is arranged at a position with higher water level of the water jacket of the cylinder cover 2, and the air outlet hole 4 is communicated with the expansion tank 5 through the degassing pipe 3.

In this engine degassing structure, set up venthole 4 in the front end lateral part of cylinder head 2 perk, the gaseous outflow in the water jacket of being convenient for is connected with expansion tank 5 through the deaeration pipe 3, carries out the degasification to the water jacket inner chamber of cylinder head 2, and the gaseous discharge of being convenient for guarantees that expansion tank 5 can be quick with the water jacket filling coolant liquid of cylinder head 2, guarantees that the engine obtains effective cooling, prevents to indulge and put engine body 1 high temperature, guarantees the normal use of engine.

In this embodiment, the venthole 4 department is connected with the joint 6 of giving vent to anger, and the outer end at the joint 6 of giving vent to anger is cup jointed to the gas tube 3, and the inner end and the venthole 4 of joint 6 of giving vent to anger pass through the screw thread grafting, and the gas tube 3 is connected with the joint 6 of giving vent to anger fast, simple to operate, easy operation.

In this embodiment, the inner end of the air outlet joint 6 is screwed with the air outlet hole 4 through a threaded pipe.

In the embodiment, an air duct 7 connected with the expansion tank 5 is connected to the periphery of the cylinder head 2 above the air outlet hole 4, a three-way structure 8 is arranged on the air duct 7, the air removal pipe 3 is connected with the three-way structure 8, and high-temperature air in the water jacket rises into the air duct 7 through the three-way structure 8 and then flows into the expansion tank 5 for collection.

In this embodiment, the air duct 7 is disposed around the cylinder head 2, and the position of the end of the air duct 7 connected to the expansion tank 5 is higher than the position of the three-way structure 8. The cylinder head 2 is provided with a bracket 9 for supporting the air duct 7, the bottom of the bracket 9 is upwardly bent and provided with a hook groove part which is matched with the outer wall of the air duct 7, the bracket 9 supports the air duct 7, the air duct 7 is positioned through the hook groove part, and screws can be arranged on the groove wall of the hook groove part to tightly prop the air duct 7.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The utility model provides an engine degassing structure, includes degassing tube (3) that are equipped with on the cylinder head (2) of indulging and putting engine block (1), degassing tube (3) and expansion tank (5) intercommunication, a serial communication port, the front end lateral part of cylinder head (2) is equipped with venthole (4) with the cylinder head water jacket inner chamber intercommunication of cylinder head (2), venthole (4) are through degassing tube (3) and expansion tank (5) intercommunication.

2. The engine degassing structure according to claim 1, wherein the air outlet hole (4) is connected with an air outlet joint (6), the degassing pipe (3) is sleeved at the outer end of the air outlet joint (6), and the inner end of the air outlet joint (6) is spliced with the air outlet hole (4).

3. An engine degassing structure according to claim 2, characterized in that the inner end of the air outlet joint (6) is screwed with the air outlet hole (4) by a threaded pipe.

4. An engine degassing structure according to claim 1, 2 or 3, characterized in that an air duct (7) connected with the expansion tank (5) is connected to the periphery of the cylinder head (2) above the air outlet hole (4), a three-way structure (8) is arranged on the air duct (7), and the degassing pipe (3) is connected with the three-way structure (8).

5. An engine degassing structure according to claim 4, characterized in that the air duct (7) is arranged around the cylinder head (2), the position of the end of the air duct (7) connected with the expansion tank (5) being higher than the position of the three-way structure (8).