CN218376696U

CN218376696U - Annular sealing air inlet structure

Info

Publication number: CN218376696U
Application number: CN202221310835.3U
Authority: CN
Inventors: 杨泽彦; 高伟伟; 滕淑红; 熊运生; 董勇峰
Original assignee: Jiangxi Isuzu Motors Co Ltd
Current assignee: Jiangxi Isuzu Motors Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-01-24
Anticipated expiration: 2032-05-27

Abstract

The utility model provides an annular seals air inlet structure, through adopting the ascending air vent of extension board tilt-up on the grid, prevent that the rainwater from entering into the engine intake pipe, and inhale engine intake pipe department with the outside air, and through adopting the extension board on the grid, the intake pipe outline, the bonnet, annular seal encloses into an independent engine air intake chamber, make the engine air intake chamber keep apart with other spaces in engine compartment, and then prevent that the high-temperature gas in the engine compartment from entering into the engine from the engine intake pipe inside, and then ensure that the temperature of the air that enters into the engine is lower, ensure that the engine has sufficient air input, and then ensure the performance of engine.

Description

Annular sealing air inlet structure

Technical Field

The utility model relates to the field of automobiles, especially, relate to an annular seal air intake structure.

Background

In order to avoid the risk of water inflow of an engine air inlet, the engine air inlet of a traditional automobile is usually hidden in a hidden position inside an engine compartment, but due to long-time running, the temperature in the engine compartment rises continuously, high-temperature gas backflow of the engine compartment easily occurs, so that the air temperature of the air inlet is too high, the air expansion density is reduced and becomes thin, the combustion efficiency of the engine is affected due to insufficient air inflow, and the performance of the engine is reduced under severe conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an annular seal air inlet structure for solve traditional engine air inlet and appear the technical problem of engine compartment high temperature gas backward flow easily.

In order to achieve the above object, the utility model adopts the following technical scheme: providing an annular sealed air inlet structure, the annular sealed air inlet structure comprising:

the upper grid extending plate is arranged on the engine hood, and vent holes which are inclined downwards from the outer side to the inner side are formed in the upper grid extending plate;

the engine air inlet pipe comprises an air inlet pipe outer contour, and the air inlet pipe outer contour is communicated with the vent holes of the grid upper extension plate;

the engine cover is matched with the outer contour of the grille upper extension plate and the air inlet pipe;

the annular sealing ring is arranged at the matching position of the engine cover, the upper extension plate of the grid and the outer contour of the air inlet pipe;

the extension plate on the grid, the outer contour of the air inlet pipe, the engine cover and the annular sealing ring enclose an independent engine air inlet cavity, and the engine air inlet cavity is separated from other spaces of an engine compartment.

In one embodiment, the annular sealing ring is clamped on the engine cover through a plurality of clamping parts.

In one embodiment, the cross section of the annular sealing ring comprises a deformation sealing chamber and a connecting chamber, the connecting chamber is used for connecting the clamping portion, concave pre-deformation grooves are arranged on two sides of the inner wall of the deformation sealing chamber, and a sealing surface is arranged outside the deformation sealing chamber.

In one embodiment, the vent holes are provided with a blocking filter plate, and the blocking filter plate divides the vent holes into a plurality of small holes.

In one embodiment, the outer contour of the air inlet pipe is arranged into a long strip structure.

In one embodiment, the outer contour of the air inlet pipe and the upper extension plate of the grid are provided with sealing grooves, and the annular sealing ring is matched in the sealing grooves.

The embodiment of the present invention provides one or more technical solutions, which at least have the following technical effects or advantages:

the embodiment of the utility model provides an annular seal air inlet structure, through adopting the ascending air vent of extension board tilt-up on the grid, prevent that the rainwater from entering into the engine intake pipe, and inhale engine intake pipe department with outside air, and through adopting the extension board on the grid, the intake pipe outline, the bonnet, ring type seal encloses into an independent engine air intake chamber, make the engine air intake chamber keep apart with other spaces in engine compartment, and then prevent that the high-temperature gas in the engine compartment from entering into the engine from the engine intake pipe inside, and then ensure that the temperature of the air that enters into the engine is lower, ensure that the engine has sufficient air input, and then ensure the performance of engine.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an annular sealing air inlet structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an annular sealing ring according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of an o-ring according to an embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a connection between the ring seal and the engine cover according to an embodiment of the present invention.

Wherein the respective reference numerals are as follows:

1. a grid upper extension plate; 2. an engine intake duct; 3. an engine cover; 4. an annular seal ring; 5. an engine intake chamber; 11. a vent hole; 12. blocking the filter plate; 21. an engine air intake; 41. a clamping part; 42. connecting the chambers; 43. a deformation sealing chamber; 44. a pre-deformation groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1 to 4, an annular sealing air inlet structure according to an embodiment of the present disclosure includes a grille upper extension plate 1, an engine intake duct 2, an engine cover 3, and an annular sealing ring 4. The upper grid extending plate 1 is arranged on an engine hood, and the vent holes 11 which are inclined downwards from the outer side to the inner side are formed in the upper grid extending plate 1. The engine air inlet pipe 2 comprises an air inlet pipe outer contour, an engine air inlet 21 is formed in the engine air inlet pipe 2, the engine air inlet 21 is communicated with the inside of the engine, and the air inlet pipe outer contour is communicated with the vent holes 11 of the grid upper extension plate 1. The engine cover 3 is matched with the outer contour of the extension plate 1 on the grille and the air inlet pipe. The annular sealing ring 4 is arranged at the matching position of the engine cover 3, the upper extension plate 1 of the grid and the outer contour of the air inlet pipe. The upper extension plate 1 of the grid, the outer contour of the air inlet pipe, the engine cover 3 and the annular sealing ring 4 enclose an independent engine air inlet cavity 5, and the engine air inlet cavity 5 is separated from other spaces of the engine compartment.

The annular sealing air inlet structure provided by the embodiment prevents rainwater from entering the engine air inlet pipe 2 by adopting the upward inclined vent holes 11 on the extension plate 1 on the grid, and sucks external air into the engine air inlet pipe 2, and the extension plate 1 on the grid, the outline of the air inlet pipe, the engine cover 3 and the annular sealing ring 4 enclose an independent engine air inlet cavity 5, so that the engine air inlet cavity 5 is isolated from other spaces of the engine compartment, high-temperature gas in the engine compartment is prevented from entering the engine from the engine air inlet pipe 2, the temperature of the air entering the engine is ensured to be lower, and the engine is ensured to have sufficient air inflow, and the performance of the engine is ensured.

Referring to fig. 2, in one embodiment, the annular sealing ring 4 is clamped on the engine cover 3 by a plurality of clamping portions 41. In detail, the locking portion 41 may be a fastener, a rivet, or the like. Optionally, the clamping portion 41 can be uniformly distributed along the length direction of the annular sealing ring 4, so that the annular sealing ring 4 and the engine cover 3 are connected more firmly, and the annular sealing ring 4 can exert a sealing connection effect.

Referring to fig. 3, in an embodiment, a cross section of the annular sealing ring 4 includes a deformation sealing chamber 43 and a connection chamber 42, the connection chamber 42 is used for connecting the clamping portion 41, concave pre-deformation grooves 44 are disposed on two sides of an inner wall of the deformation sealing chamber 43, and an outer portion of the deformation sealing chamber 43 is a sealing surface. By employing the connection chamber 42 for accommodating the connection catching portion 41, the sealing property of the connection surface between the annular seal ring 4 and the engine cover 3 is ensured. In addition, by arranging the deformation sealing chamber 43 and arranging the concave pre-deformation grooves 44 on two sides of the inner wall of the deformation sealing chamber 43, when the annular sealing ring 4 is in fit connection with the outer contour of the extension plate 1/air inlet pipe on the grid, the deformation sealing chamber 43 of the annular sealing ring 4 can expand and deform towards two sides along the pre-deformation grooves 44, the surface of the deformation sealing chamber 43 is tightly connected with the outer contour of the extension plate 1/air inlet pipe on the grid, the sealing performance of connection between the engine cover 3 and the outer contour of the extension plate 1/air inlet pipe on the grid is ensured, and high-temperature gas in other areas in the engine compartment is further ensured to be difficult to enter the engine air inlet chamber 5.

Referring to fig. 1, in one embodiment, the vent holes 11 are provided with a blocking filter plate 12, and the blocking filter plate 12 divides the vent holes 11 into a plurality of small holes. The blocking filter plate 12 can block external sundries such as leaves from entering the engine compartment, and prevent the sundries from blocking the air inlet pipe 2 of the engine.

In one embodiment, the outer contour of the air inlet pipe is arranged to be a long strip structure. In order to improve the air intake quantity of the engine, the grid upper extension plate 1 is long, so the vent holes 11 on the grid upper extension plate 1 are also long, therefore, in order to fully utilize the vent holes 11 on the grid upper extension plate 1 to input air to the engine, the outer contour of the air inlet pipe is arranged to be long strip-shaped, and further, enough air is in the engine air inlet cavity 5 for the engine to use.

In one embodiment, the outer contour of the air inlet pipe and the extension plate 1 on the grid are provided with sealing grooves, and the annular sealing ring 4 is matched in the sealing grooves. In order to improve the sealing effect of the annular sealing ring 4, the outer contour of the air inlet pipe and the grid upper extension plate 1 are provided with the sealing grooves, and the effective sealing area of the annular sealing ring 4 can be effectively improved through the sealing grooves, so that the sealing effect is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An annular seal air intake structure, characterized in that, annular seal air intake structure includes:

the extension plate on the grid, the outer contour of the air inlet pipe, the engine cover and the annular sealing ring enclose an independent engine air inlet cavity, and the engine air inlet cavity is separated from other spaces of an engine cabin.

2. The annular seal air intake structure of claim 1, wherein:

the annular sealing ring is clamped on the engine cover through a plurality of clamping parts.

3. The annular seal air intake structure of claim 1, wherein:

the cross section of the annular sealing ring comprises a deformation sealing cavity and a connecting cavity, the connecting cavity is used for connecting the clamping part, the two sides of the inner wall of the deformation sealing cavity are provided with concave pre-deformation grooves, and the outer part of the deformation sealing cavity is a sealing surface.

4. The annular seal air intake structure of claim 1, wherein:

the air vent is provided with a separation filter plate, and the separation filter plate divides the air vent into a plurality of small holes.

5. The annular seal air intake structure of claim 1, wherein:

the outer contour of the air inlet pipe is provided with a long strip-shaped structure.

6. The annular seal air intake structure of claim 1, wherein:

the outer contour of the air inlet pipe and the grid upper extension plate are both provided with sealing grooves, and the annular sealing ring is matched in the sealing grooves.