CN217270515U

CN217270515U - Cylinder head cover of integrated silencer and automobile

Info

Publication number: CN217270515U
Application number: CN202220833202.4U
Authority: CN
Inventors: 高田田; 宁大伟; 李德颖; 张坦志
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-23
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to the technical field of silencers, in particular to a cylinder head cover of an integrated silencer and an automobile, wherein the cylinder head cover of the integrated silencer comprises a cylinder head cover, an air inlet pipe, an air outlet pipe and a cover plate, and a silencer groove is concavely arranged on the inner side of the cylinder head cover; the air inlet pipe and the air outlet pipe are both communicated with the muffler groove at the outer side of the cylinder head cover; the cover plate is connected to the cylinder cover and covers the muffler groove, the cover plate and the inner wall of the muffler groove are enclosed to form a muffling cavity, the cover plate and the cylinder cover are tightened through bolts to form a closed cavity, and the joint direction of an air pressure air inlet pipe and an air outlet pipe on the cylinder cover is determined according to the arrangement position of an air compressor. The utility model provides a cylinder head cover of integrated silencer becomes the silencer structure through the sealed silencer groove of apron, covers the silencer direct integration at the cylinder head, the effectual manufacturing and installation cost who saves the silencer.

Description

Cylinder cover hood of integrated silencer and car

Technical Field

The utility model relates to a silencer technical field especially relates to a cylinder head cover and car of integrated silencer.

Background

In the running process of an automobile, air needs to be continuously conveyed into an air compressor by an air filter in real time, due to the fact that the conveyed air is discontinuous, gas pulses can be generated to impact a pipe wall to form noise, the driving experience of a driver is influenced, a silencer needs to be arranged on a pipeline between the air filter and the air compressor, the silencer can reflect and interfere sound energy generated by impedance change caused in the sound transmission process due to sudden change of the cross section of the pipeline or by-connection of a resonant cavity and the like, and therefore the purpose of silencing is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder head cover and car of integrated silencer to solve the silencer independent setting among the prior art, need additionally reserve installation space, and need extra mounting to fix the silencer, can improve the problem of the cost of design manufacturing cost and installation.

To achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, the utility model provides a cylinder head cover of integrated silencer, include:

the inner side of the cylinder head cover is concavely provided with a silencer groove;

the air inlet pipe and the air outlet pipe are communicated with the muffler groove on the outer side of the cylinder head cover;

the cover plate is connected with the cylinder head cover and covers the muffler groove, and a muffling cavity is formed by the cover plate and the inner wall of the muffler groove in an enclosing mode.

Preferably, the cylinder head cover, the muffler groove, the intake pipe, and the outlet pipe are integrally formed.

Preferably, the air inlet pipe and the air outlet pipe both extend into the muffler groove, and the muffler groove and the cover plate form an expansion muffler.

Preferably, the air inlet pipe and the air outlet pipe are communicated in the muffler groove through a silencing pipe, a plurality of silencing holes are formed in the silencing pipe, and the muffler groove and the cover plate form a resonant cavity type muffler.

Preferably, the peripheries of the air inlet pipe and the air outlet pipe are both provided with a switching bulge in a ring mode.

Preferably, the cover plate is provided with a plurality of first mounting holes, and the first fixing member passes through the first mounting holes and is connected to the cylinder head cover to fix the cover plate.

Preferably, the cylinder head cover is provided with a plurality of second mounting holes, and the second fixing member passes through the second mounting holes and is connected to the cylinder body to fix the cylinder head cover.

Preferably, the cylinder head cover is provided with a reinforcing rib at the inner side in a protruding mode.

Preferably, the cylinder head cover is provided with an engine oil hole.

On the other hand, the utility model provides a car has air compressor and air cleaner, the cylinder head cover including foretell integrated silencer, air cleaner communicate in the intake pipe, air compressor communicate in the outlet duct.

The utility model has the advantages that: the utility model provides a cylinder head cover of integrated silencer becomes silencer structure through the sealed silencer groove of apron, covers the silencer with the direct integration of silencer on the cylinder head, need not additionally to reserve installation space installation silencer, and only needs the installation apron, has saved the location installation step of silencer, the effectual manufacturing and installation cost who saves the silencer.

Drawings

Fig. 1 is an overall structural diagram of a cylinder head cover of an integrated muffler of the present invention;

fig. 2 is a view of the inner side mounting structure of the cylinder head cover of the integrated muffler of the present invention;

fig. 3 is a structural diagram of the expanded muffler structure in the cylinder head cover of the integrated muffler of the present invention;

fig. 4 is a structure diagram of the split structure of the resonant cavity type muffler in the cylinder head cover of the integrated muffler of the present invention.

In the figure:

1. a cylinder head cover; 11. a second mounting hole; 12. reinforcing ribs; 13. an oil hole; 100. a muffler groove;

2. an air inlet pipe;

3. an air outlet pipe;

4. a cover plate; 41. a first mounting hole; 42. a first fixing member;

5. a muffler pipe; 51. and (4) an anechoic hole.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

As shown in fig. 1-4, the utility model provides a cylinder head cover of integrated silencer, including cylinder head cover 1, intake pipe 2, outlet duct 3 and apron 4, the concave silencer groove 100 that is equipped with in the cylinder head cover 1 inboard, in this embodiment, silencer groove 100 is square groove, in other embodiments, silencer groove 100 also can set up to half circular groove as required specifically, does not do too much restriction here; the air inlet pipe 2 and the air outlet pipe 3 are both communicated with the muffler groove 100 at the outer side of the cylinder head cover 1; apron 4 connects in cylinder head cover 1 and covers and locate muffler groove 100, apron 4 encloses with the inner wall of muffler groove 100 and establishes into the amortization chamber, it is tight through the bolt between apron 4 and the cylinder head cover 1, the contact surface of apron 4 and cylinder head cover 1 still coats and has the silica gel sealed, form the silencer structure of a confined cavity, it confirms according to air compressor's the position of arranging to go up

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2 and 3 joint directions of outlet duct on the cylinder head cover 1, 3 air compressor air-in connectors of outlet duct, 2 intake pipe even get the gas pipeline behind the air cleaner.

The cylinder head cover of the integrated silencer of this embodiment seals silencer groove 100 through apron 4 and forms the silencer structure, directly integrates the silencer on cylinder head cover 1, need not additionally to reserve installation space installation silencer, and only need install apron 4, has saved the location installation step of silencer, and the effectual manufacturing and the installation cost of having saved the silencer simplifies arranging of gas transmission pipeline simultaneously.

Specifically, the cylinder head cover 1, the muffler groove 100, the intake pipe 2, and the outlet pipe 3 are integrally formed, and are manufactured by casting, so that the integrity and the sealing performance are good.

Specifically, as shown in fig. 3, as a preferred scheme of this embodiment, the air inlet pipe 2 and the air outlet pipe 3 both extend into the muffler groove 100, the muffler groove 100 is connected with the cover plate 4 to form an expanding muffler, when the high-pressure air flow enters the muffling cavity from the air inlet pipe 2, the cross-sectional area is suddenly increased, and the inner wall of the muffling cavity is in smooth transition, so that the impact noise of the high-pressure air flow on the muffler body is reduced, the impact generated by the turbulent pulse-type high-pressure air flow is eliminated, and the high-pressure air flow is prevented from generating large impact noise.

Specifically, as shown in fig. 4, as another preferred scheme of this embodiment, the air inlet pipe 2 and the air outlet pipe 3 are communicated in the muffler groove 100 through the muffler pipe 5, the muffler pipe 5 is provided with a plurality of muffler holes 51, the muffler groove 100 and the cover plate 4 form a resonant cavity type muffler, when a cavity mode in the muffler cavity resonates with a frequency band noise to be eliminated, the muffling resonance is caused, and the noise energy of the frequency band is consumed by the vibration of the muffling cavity, so as to achieve the purpose of muffling.

Specifically, the peripheries of the air inlet pipe 2 and the air outlet pipe 3 are all annularly provided with a switching bulge, and the switching bulge is in interference fit with the exhaust pipe of the air filter and the air inlet pipe 2 of the air compressor when being connected, so that the air tightness is good.

Specifically, a plurality of first mounting holes 41 are formed in the cover plate 4, threaded holes are formed in the cylinder head cover 1, and the first fixing member 42 penetrates through the first mounting holes 41 and is connected to the threaded holes in the cylinder head cover 1 to fix the cover plate 4, so that the cover plate can be conveniently dismounted, repaired or replaced.

Specifically, a plurality of second mounting holes 11 are formed in the cylinder head cover 1, and a second fixing member passes through the second mounting holes 11 and is connected to the cylinder body to fix the cylinder head cover 1.

Specifically, the cylinder head cover 1 is convexly provided with the reinforcing rib 12 on the inner side, so that the strength of the cylinder head cover 1 is increased, and the cylinder head cover 1 is prevented from being heated and deformed in the running process of an engine.

Specifically, the cylinder head cover 1 is provided with an engine oil hole 13, and engine oil can be injected into the engine without disassembling the cylinder head cover 1.

The utility model provides an automobile, has air compressor and air cleaner, including the cylinder head cover of foretell integrated silencer, air cleaner communicates in intake pipe 2, and air compressor communicates in outlet duct 3, saves the use of part, need not the design and reserves the installation space of silencer, reduces the installation and the manufacturing cost of silencer.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A muffler-integrated cylinder head cover, comprising:

the muffler comprises a cylinder head cover (1), wherein a muffler groove (100) is concavely arranged on the inner side of the cylinder head cover (1);

the air inlet pipe (2) and the air outlet pipe (3) are communicated with the muffler groove (100) on the outer side of the cylinder head cover (1);

the cover plate (4) is connected to the cylinder head cover (1) and covers the muffler groove (100), and a silencing cavity is formed by the cover plate (4) and the inner wall of the muffler groove (100).

2. The cylinder head cover of an integrated muffler according to claim 1, characterized in that the cylinder head cover (1), the muffler groove (100), the intake pipe (2), and the outlet pipe (3) are integrally formed.

3. The cylinder head cover of an integrated muffler according to claim 1, characterized in that the inlet pipe (2) and the outlet pipe (3) both extend into the muffler groove (100), the muffler groove (100) and the cover plate (4) constituting an expanding muffler.

4. The cylinder head cover of the integrated muffler according to claim 1, wherein the intake pipe (2) and the outlet pipe (3) are communicated through a muffler pipe (5) in the muffler groove (100), the muffler pipe (5) is provided with a plurality of muffler holes (51), and the muffler groove (100) and the cover plate (4) form a resonant cavity type muffler.

5. The head cover of an integrated muffler according to claim 1, characterized in that the inlet pipe (2) and the outlet pipe (3) are each provided with adapter projections around their outer circumference.

6. The head cover of an integrated muffler according to claim 1, wherein the cover plate (4) is formed with a plurality of first mounting holes (41), and a first fixing member (42) passes through the first mounting holes (41) and is connected to the head cover (1) to fix the cover plate (4).

7. The cylinder head cover of the integrated muffler according to claim 1, wherein the cylinder head cover (1) is formed with a plurality of second mounting holes (11), and a second fixing member passes through the second mounting holes (11) and is connected to a cylinder body to fix the cylinder head cover (1).

8. The cylinder head cover of an integrated muffler according to claim 1, characterized in that a bead (12) is provided on the inside of the cylinder head cover (1) in a protruding manner.

9. The cylinder head cover of an integrated muffler according to claim 1, characterized in that the cylinder head cover (1) is provided with an engine oil hole (13).

10. An automobile having an air compressor and an air cleaner, characterized by comprising a cylinder head cover with an integrated muffler according to any one of claims 1 to 9, the air cleaner being in communication with the inlet duct (2), the air compressor being in communication with the outlet duct (3).