CN217029140U

CN217029140U - Cover plate of intake manifold

Info

Publication number: CN217029140U
Application number: CN202220970330.3U
Authority: CN
Inventors: 吴亚平; 蒋健; 孔为荣
Original assignee: Wuxi Jiayi Compartment Manufacturing Co ltd
Current assignee: Wuxi Jiayi Compartment Manufacturing Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-07-22
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses an intake manifold cover plate, which relates to the technical field of automobile engine parts and comprises two cover plates and a damping plate for damping; the cover plate and the damping plate are both plate-shaped; the cover plate is provided with a vent hole for ventilation; the surface of the cover plate is provided with a groove; two plate surfaces of the damping plate are respectively attached to the grooves of the two cover plates; the surfaces of the two cover plates, which are provided with the grooves, are oppositely arranged, and the damping plate is fixedly arranged between the two cover plates; wherein, the apron adopts flexible material. The utility model can provide certain space for buffering under the condition that the internal pressure of the air inlet manifold and the air pipe is increased in the air inlet process, and can slow down the instant stress of the connecting part between the air inlet pipe and the cover plate, thereby reducing the problem of fracture of the connecting part caused by high internal pressure in the air inlet process.

Description

Cover plate of intake manifold

Technical Field

The utility model relates to the technical field of automobile engine parts, in particular to an intake manifold cover plate.

Background

For a carburetor type or throttle body gasoline injection type engine, an intake manifold refers to an intake pipeline from the rear of a carburetor or a throttle body to the front of an intake passage of a cylinder head, and the intake manifold has the function of distributing air and fuel mixture to the intake passages of cylinders from the carburetor or the throttle body; for a port fuel injected engine or diesel engine, the intake manifold simply distributes the clean air to the cylinder intake ports, and the intake manifold must distribute the air, fuel mixture, or clean air as evenly as possible to the cylinders.

The intake manifold cover plate is used for connecting an external intake pipeline and an intake manifold, and because the inlet of the intake manifold is usually irregular, the intake manifold cover plate with holes is sealed at the outward bending part of the edge of the intake manifold, and the other side of the intake manifold cover plate is connected with an intake pipe to realize the connection of pipelines.

However, in the air intake process, the air intake manifold and the air intake pipe may bear a large air pressure, and the joint between the air intake manifold cover plate and the air intake pipe is easily broken due to the large internal pressure.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problem, the damping plate is added between the two layers of cover plates, so that the stress between the cover plates and the air pipe has buffering time, and the problem of fracture caused by large internal pressure in the air inlet process is solved.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an intake manifold cover plate, which comprises an intake manifold cover plate and is characterized by comprising two cover plates and a damping plate for damping; the cover plate and the damping plate are both plate-shaped; the cover plate is provided with a vent hole for ventilation; the surface of the cover plate is provided with a groove; two plate surfaces of the damping plate are respectively attached to the grooves of the two cover plates; the surfaces of the two cover plates, which are provided with the grooves, are oppositely arranged to form a cavity, and the damping plate is fixedly arranged between the two cover plates; wherein, the cover plate is made of flexible material.

According to the intake manifold cover plate provided by the utility model, preferably, the cover plate is further provided with a plurality of through holes for penetrating bolts.

The intake manifold cover plate provided by the utility model preferably comprises a damping plate body and a damping pad; the damping plate body is internally provided with a plurality of air bags and damping columns, the air bags and the damping columns are sequentially and alternately arranged, the air bags are fixed on the upper surface in the damping plate body, the damping columns are fixed on the lower surface in the damping plate body, and the damping pads are arranged above and below the damping plate body; the shock pad is attached to the groove.

According to the intake manifold cover plate provided by the utility model, preferably, a spring is arranged in the shock absorption column.

According to the intake manifold cover plate provided by the utility model, preferably, the shock pad is made of a rubber material.

The technical scheme has the following advantages or beneficial effects:

the utility model discloses an intake manifold cover plate, which relates to the technical field of automobile engine parts and comprises two cover plates and a damping plate for damping; the cover plate and the damping plate are both plate-shaped; the cover plate is provided with a vent hole for ventilation; the surface of the cover plate is provided with a groove; two plate surfaces of the damping plate are respectively attached to the grooves of the two cover plates; the surfaces of the two cover plates, which are provided with the grooves, are oppositely arranged, and the damping plate is fixedly arranged between the two cover plates; wherein, the cover plate is made of flexible material. The utility model can provide certain space for buffering under the condition that the internal pressure of the air inlet manifold and the air pipe is increased in the air inlet process, and can slow down the instant stress of the connecting part between the air inlet pipe and the cover plate, thereby reducing the problem of fracture of the connecting part caused by high internal pressure in the air inlet process.

Drawings

The utility model and its features, aspects and advantages will become more apparent from the following detailed description of non-limiting embodiments, which is to be read in connection with the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be to scale, emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is an exploded view of an intake manifold cover plate according to embodiment 1 of the present invention.

Fig. 2 is an overall structural view of a damper plate of an intake manifold cover plate provided in embodiment 1 of the present invention.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

The terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The technical solutions in the embodiments of the present invention are 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 embodiments. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.

Example 1:

in order to solve the problem that in the prior art, in the air intake process, the connection between an air intake pipe and an air intake manifold cover plate is broken due to the fact that the internal pressure of the air intake manifold and the air pipe is increased, the air intake manifold cover plate provided by embodiment 1 of the utility model comprises two cover plates 1 and a damping plate 2 for damping, as shown in fig. 1-2; the cover plate 1 and the damping plate 2 are both plate-shaped; the cover plate 1 is provided with a vent hole 11 for ventilation; the surface of the cover plate 1 is provided with a groove 12; two plate surfaces of the damping plate 2 are respectively attached to the grooves 12 of the two cover plates 1; the surfaces of the two cover plates 1 provided with the grooves 12 are oppositely arranged to form a cavity, and the damping plate 2 is fixedly arranged between the two cover plates 1; wherein, the cover plate 1 is made of flexible material.

When the cover plate of the intake manifold provided by the embodiment 1 of the utility model works, the edge of the cover plate 1 positioned at the upper side is fixedly connected with the intake manifold, the edge of the cover plate 1 positioned at the lower side is fixedly connected with the opening of the air inlet pipe, and the vent hole 11 is communicated with the intake manifold and the air inlet pipe; the airflow flows from the intake pipe to the inside of the intake manifold through the vent holes 11; in-process that the air current flowed into, the internal pressure grow, can produce pressure to the junction of intake pipe and apron 1, too big pressure can lead to the fracture of intake pipe and 1 junction of apron, however, because apron 1 is flexible material, and inside has set up damper plate 2, pressure can produce the buffering because the inside deformation of apron 1, so at the air intake in-process, under the condition of intake manifold and trachea internal pressure grow, because the inside deformation of apron 1 leads to admission line and intake manifold inner space grow, the space is opened greatly and is can be slowed down the instantaneous atress of junction between intake pipe and the apron, thereby alleviate because of the inside cracked problem of junction that can the pressure greatly produce of air intake in-process.

In order to better connect the intake manifold cover plate with the intake pipe, in this embodiment, the cover plate 1 is further provided with a plurality of through holes 13 for passing bolts. The pipe orifice of the air inlet pipe is turned outwards, a through hole is also formed in the turned outlet, and a bolt penetrates through the through hole 13 and the through hole in the pipe orifice of the air inlet pipe, so that the air inlet pipe and the cover plate of the air inlet manifold can be connected more stably; in addition, due to the bolt connection, when the damping plate 2 in the intake manifold cover plate is damaged, the maintenance can be carried out in a mode of replacing the intake manifold cover plate.

Preferably, the damper plate 2 in the present embodiment includes a damper plate body 21 and a damper pad 22; a plurality of air bags 211 and shock absorption columns 212 are arranged in the shock absorption plate body 21, the air bags 211 and the shock absorption columns 212 are sequentially and alternately placed, the air bags 211 are fixed on the upper surface in the shock absorption plate body 21, the shock absorption columns 212 are fixed on the lower surface in the shock absorption plate body 21, and shock absorption pads 22 are arranged on the upper part and the lower part of the shock absorption plate body 21; the cushion 22 is disposed adjacent to the groove 12. During air intake, the internal pressure is increased, the pressure can firstly act on the cover plate 1, the cover plate 1 transmits force to the shock pad 22, the shock pad 22 transmits the force to the shock plate body 21, and at the moment, the shock absorption column 212 and the air bag 211 can contract; when the air intake is stopped, the shock absorption column 212 automatically restores and contracts again when the air intake is next time; the two cover plates 1 attached to the outer sides of the shock absorption pads 22 can contract along with the contraction distance and become far along with the restoration distance of the shock absorption columns 212, so that the internal space can become large along with the pressure increase under the condition that the internal pressure is increased in the air intake process, and the instantaneous stress at the direct connection part of the air intake pipe and the air intake manifold cover plate is reduced; in addition, the airbag 211 can make the plate surface of the whole damping plate body 21 be stressed more uniformly.

Preferably, in the present embodiment, a spring is provided in the shock absorbing column 212; the cushion 22 is made of a rubber material. The shock absorption column 212 can automatically recover under the condition that the internal pressure is reduced when air is not supplied because of the internal spring; the shock pad 22 is made of rubber material, so that the external flexible cover plate 1 is not damaged in the process of expanding and contracting the shock-absorbing plate body 21.

In summary, the utility model discloses an intake manifold cover plate, which relates to the technical field of automobile engine parts and comprises two cover plates and a damping plate for damping; the cover plate and the damping plate are both plate-shaped; the cover plate is provided with a vent hole for ventilation; the surface of the cover plate is provided with a groove; two plate surfaces of the damping plate are respectively attached to the grooves of the two cover plates; the surfaces of the two cover plates, provided with the grooves, are oppositely arranged, and the damping plate is fixedly arranged between the two cover plates; wherein, the apron adopts flexible material. The utility model can provide certain space for buffering under the condition that the internal pressure of the air inlet manifold and the air pipe is increased in the air inlet process, and can slow down the instant stress of the connecting part between the air inlet pipe and the cover plate, thereby reducing the problem of fracture of the connecting part caused by high internal pressure in the air inlet process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and drawings, or any other related technical fields, are all included in the scope of the present invention.

Claims

1. The cover plate of the intake manifold is characterized by comprising two cover plates and a damping plate for damping; the cover plate and the damping plate are both plate-shaped;

the cover plate is provided with a vent hole for ventilation;

the surface of the cover plate is provided with a groove; two plate surfaces of the damping plate are respectively attached to the grooves of the two cover plates; the surfaces of the two cover plates, provided with the grooves, are oppositely arranged to form a cavity, and the damping plate is fixedly arranged between the two cover plates;

wherein, the cover plate is made of flexible material.

2. The intake manifold cover plate according to claim 1, wherein the cover plate further has a plurality of through holes for passing bolts therethrough.

3. The intake manifold cover plate of claim 1, wherein the damper plate includes a damper plate body and a damper pad; the damping plate body is internally provided with a plurality of air bags and damping columns, the air bags and the damping columns are sequentially and alternately arranged, the air bags are fixed on the upper surface in the damping plate body, the damping columns are fixed on the lower surface in the damping plate body, and the damping pads are arranged above and below the damping plate body;

the shock pad is attached to the groove.

4. The intake manifold cover plate of claim 3, wherein a spring is disposed within the shock post.

5. The intake manifold cover plate of claim 3, wherein the shock absorbing pad is made of a rubber material.