阅读说明：本技术 一种柴油机空冷器密封结构及柴油机 (Diesel engine air cooler seal structure and diesel engine ) 是由 李孝连 刘子奇烨 田阳阳 于 2019-10-12 设计创作，主要内容包括：本发明涉及柴油机技术领域,公开一种柴油机空冷器密封结构及柴油机。其中,柴油机空冷器密封结构包括空冷器、密封件、支撑件和扫气箱。密封件与空冷器的后端连接。支撑件与空冷器的后端连接。扫气箱的后端设置有凹槽,支撑件能够在扫气箱的支撑面上移动,以使空冷器在密封件与支撑面间隔的状态下装入扫气箱中,支撑件能够落入凹槽中,以使密封件与支撑面抵接。本发明提供的柴油机空冷器密封结构,不仅具有良好的密封作用,能够防止高温气体经空冷器壳体与空冷器芯子之间的间隙进入到扫气箱中,而且通过支撑件与凹槽的配合,更便于将空冷器装入扫气箱中或由扫气箱中拆出,提高了拆装效率。(The invention relates to the technical field of diesel engines, and discloses a sealing structure of an air cooler of a diesel engine and the diesel engine. The sealing structure of the air cooler of the diesel engine comprises an air cooler, a sealing element, a supporting element and a scavenging box. The sealing member is connected with the rear end of the air cooler. The supporting piece is connected with the rear end of the air cooler. The rear end of the scavenging box is provided with a groove, the support piece can move on the supporting surface of the scavenging box, so that the air cooler is arranged in the scavenging box in a state that the sealing piece is spaced from the supporting surface, and the support piece can fall into the groove, so that the sealing piece is abutted against the supporting surface. The sealing structure of the air cooler of the diesel engine provided by the invention has a good sealing effect, can prevent high-temperature gas from entering the scavenging box through a gap between the air cooler shell and the air cooler core, and is more convenient to mount the air cooler in the scavenging box or dismount the air cooler from the scavenging box through the matching of the supporting piece and the groove, so that the dismounting efficiency is improved.)

1. The utility model provides a diesel engine air cooler seal structure which characterized in that includes:

an air cooler (1);

the sealing element (2) is connected with the rear end of the air cooler (1);

the support piece (3) is connected with the rear end of the air cooler (1);

the rear end of the scavenging box (4) is provided with a groove (41), the support piece (3) can move on a supporting surface (42) of the scavenging box (4) so that the air cooler (1) is installed in the scavenging box (4) in a state that the sealing piece (2) is spaced from the supporting surface (42), and the support piece (3) can fall into the groove (41) so that the sealing piece (2) is abutted to the supporting surface (42).

2. The diesel engine air cooler seal according to claim 1, characterized in that the support (3) is a roller which can roll on a support surface (42) of the scavenging air box (4) and which can roll into the groove (41).

3. The diesel engine air cooler seal structure according to claim 1, characterized in that the connecting position of the support (3) and the rear end of the air cooler (1) is located behind the connecting position of the seal (2) and the rear end of the air cooler (1).

4. A diesel engine air cooler sealing structure according to any one of claims 1-3, characterized in that the seal (2) comprises a connecting portion (21) and a sealing portion (22), the connecting portion (21) being connected with the rear end of the air cooler (1), the sealing portion (22) being capable of abutting against the support surface (42).

5. The diesel engine air cooler seal structure according to claim 4, characterized in that the seal portion (22) includes a sloped portion (221) and an arc portion (222), one end of the sloped portion (221) is connected to the connecting portion (21) and the other end is connected to the arc portion (222), and a joint of the sloped portion (221) and the arc portion (222) is capable of abutting against the support surface (42).

6. The diesel engine air cooler seal structure according to claim 5, characterized in that an included angle a between the connecting portion (21) and the inclined arm portion (221) is an obtuse angle.

7. The diesel engine air cooler seal structure according to claim 1, characterized in that the seal (2) is made of stainless steel material.

8. The diesel engine air cooler seal structure according to claim 1, characterized in that the seal member (2) is fixed to the rear end of the air cooler (1) by a fastener (5).

9. The diesel engine air cooler seal structure according to claim 8, characterized in that the fastener (5) is a bolt.

10. A diesel engine comprising the diesel engine air cooler seal structure according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of diesel engines, in particular to a sealing structure of an air cooler of a diesel engine and the diesel engine.

Background

An air cooler, which is an important component provided in a scavenging air box of a marine diesel engine, generally includes an air cooler housing and an air cooler core. In the long-time operation process of the diesel engine, a gap is generated between the air cooler shell and the air cooler core due to self vibration and severe vibration under severe sea conditions, so that high-temperature gas enters the scavenging box through the gap between the air cooler shell and the air cooler core, the temperature of the whole air entering the scavenging box is higher, and the perfect degree of fuel oil combustion of the diesel engine is influenced.

In the prior art, a sealing member is generally disposed at the rear end of the air cooler to seal between the air cooler casing and the air cooler core, so as to prevent high-temperature gas from entering the scavenging air box through a gap between the air cooler casing and the air cooler core. However, the existing sealing element structure is inconvenient for installing the air cooler into the scavenging box or disassembling the air cooler from the scavenging box, and the disassembling efficiency is reduced.

Therefore, a new sealing structure for an air cooler of a diesel engine is needed to solve the above technical problems.

Disclosure of Invention

One object of the present invention is to provide a sealing structure for an air cooler of a diesel engine, which, compared with the prior art, can not only prevent high-temperature gas from entering a scavenging box through a gap between an air cooler housing and an air cooler core, but also facilitate the installation and removal of the air cooler into or from the scavenging box, thereby improving the efficiency of the installation and removal.

Another object of the present invention is to provide a vehicle, wherein the sealing structure of the air cooler of the diesel engine is applied, so that the sealing structure not only can seal between the air cooler casing and the air cooler core, but also can quickly mount or dismount the air cooler into or from the scavenging box, thereby improving the dismounting efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a diesel engine air cooler seal structure comprising:

an air cooler;

the sealing element is connected with the rear end of the air cooler;

the supporting piece is connected with the rear end of the air cooler;

the back end of the scavenging box is provided with a groove, the support can move on the supporting surface of the scavenging box, so that the air cooler is arranged in the scavenging box under the state that the sealing element is spaced from the supporting surface, and the support can fall into the groove, so that the sealing element is abutted against the supporting surface.

Further, the support member is a roller capable of rolling on the support surface of the scavenging air box, and the roller is capable of rolling into the groove.

Further, the connecting position of the supporting piece and the rear end of the air cooler is located behind the connecting position of the sealing piece and the rear end of the air cooler.

Further, the sealing member includes a connecting portion connected to the rear end of the air cooler and a sealing portion capable of abutting against the support surface.

Further, the sealing part comprises an inclined arm part and an arc-shaped part, one end of the inclined arm part is connected with the connecting part, the other end of the inclined arm part is connected with the arc-shaped part, and the joint of the inclined arm part and the arc-shaped part can be abutted to the supporting surface.

Further, an included angle a between the connecting portion and the inclined arm portion is an obtuse angle.

Further, the seal is made of stainless steel material.

Further, the sealing member is fixed to the rear end of the air cooler by a fastening member.

Further, the fastener is a bolt.

A diesel engine comprising a diesel engine air cooler seal arrangement as claimed in any preceding claim.

The invention has the beneficial effects that:

the invention provides a sealing structure of an air cooler of a diesel engine, which is characterized in that a sealing element and a supporting element are arranged at the rear end of the air cooler, and a groove is arranged at the rear end of a scavenging box, when the air cooler needs to be arranged in the scavenging box, the supporting element can move on a supporting surface of the scavenging box towards the direction of the groove, the sealing element and the supporting surface can keep a gap in the moving process under the support of the supporting element, namely the sealing element is not contacted with the supporting surface, when the supporting element falls into the groove, the air cooler is arranged in place, and the height of the supporting element falls after falling into the groove, at the moment, under the action of the gravity of the air cooler, the sealing element can be abutted against the supporting surface, so that the sealing effect between a shell of the air cooler and a core of the air cooler is achieved, and high-temperature gas is prevented from entering the scavenging; when the air cooler is required to be dismounted from the scavenging box, the supporting piece can jump out of the groove by pulling the air cooler, and meanwhile, the sealing piece is separated from the supporting surface, so that the air cooler can be smoothly dismounted. The sealing structure of the air cooler of the diesel engine has good sealing effect, and the air cooler can be conveniently arranged in the scavenging box or detached from the scavenging box through the matching of the supporting piece and the groove, so that the disassembling and assembling efficiency is improved.

According to the diesel engine provided by the invention, by applying the sealing structure of the air cooler of the diesel engine, the sealing effect between the air cooler shell and the air cooler core can be realized, high-temperature gas is prevented from entering the scavenging box through a gap between the air cooler shell and the air cooler core, the air cooler can be quickly arranged in the scavenging box or detached from the scavenging box, and the dismounting efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a sectional view of a sealing structure of an air cooler of a diesel engine according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a cross-sectional view of a seal in a sealing structure of a diesel engine air cooler according to an embodiment of the present invention.

In the figure:

1-an air cooler;

2-a seal; 21-a connecting part; 22-a seal; 221-oblique arm part; 222-an arc;

3-a support;

4-a scavenging box; 41-groove; 42-a support surface;

5-fastening piece.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 2, the present embodiment provides a sealing structure of an air cooler of a diesel engine, which can be applied to a marine diesel engine. Specifically, the diesel engine air cooler sealing structure includes an air cooler 1, a sealing member 2, a support member 3, and a scavenging air box 4. Wherein, the sealing member 2 is connected with the rear end of the air cooler 1. The supporter 3 is connected with the rear end of the air cooler 1. The rear end of the scavenging air box 4 is provided with a groove 41, the supporter 3 can move on a supporting surface 42 of the scavenging air box 4 so that the air cooler 1 is installed in the scavenging air box 4 in a state that the sealing member 2 is spaced from the supporting surface 42, and the supporter 3 can fall into the groove 41 so that the sealing member 2 abuts against the supporting surface 42.

The sealing structure of the air cooler of the diesel engine provided by the embodiment is characterized in that a sealing member 2 and a supporting member 3 are arranged at the rear end of the air cooler 1, and a groove 41 is provided at the rear end of the scavenging air box 4, when the air cooler 1 is required to be loaded into the scavenging air box 4, the support 3 can be moved on the support surface 42 of the scavenging air box 4 in the direction of the recess 41, because, supported by the support 3, the seal 2 can be kept spaced from the support surface 42 during the displacement, i.e., the sealing member 2 does not contact the supporting surface 42, when the supporting member 3 is dropped into the recess 41, the air cooler 1 is put in place, since the height of the supporter 3 is lowered after dropping into the groove 41, the sealing member 2 can be brought into abutment with the supporting surface 42 by the gravity of the air cooler 1 itself, thereby playing a role of sealing between the air cooler shell and the air cooler core and preventing high-temperature gas from entering the scavenging box 4 through a gap between the air cooler shell and the air cooler core; when the air cooler 1 needs to be dismounted from the scavenging air box 4, the supporting piece 42 can be jumped out of the groove 41 by pulling the air cooler 1, and meanwhile, the sealing piece 2 is separated from the supporting surface 42, so that the air cooler 1 can be smoothly dismounted. The sealing structure of the air cooler of the diesel engine provided by the invention has a good sealing effect, and the air cooler 1 is more conveniently arranged in the scavenging box 4 or detached from the scavenging box 4 through the matching of the supporting piece 3 and the groove 41, so that the dismounting efficiency is improved.

Preferably, the support 3 is a roller, which can roll on the support surface 42 of the scavenging air box 4 and which can roll into the groove 41. The roller can reduce friction, and the in-process that makes support piece 3 remove on holding surface 42 is more smooth and easy, reduces the noise, is favorable to preventing the scratch from appearing on holding surface 42's surface simultaneously. Of course, in other embodiments, the support 3 may also be a ball or the like.

Alternatively, in this embodiment, the groove 41 is circular. Optionally, the side walls of the groove 41 are perpendicular to the groove bottom. Since the depth of the groove 41 is small, the support member 42 can be smoothly escaped from the groove 41 even when the side wall of the groove 41 is perpendicular to the groove bottom. Of course, in other embodiments, the side wall of the groove 41 may be disposed at an obtuse angle to the groove bottom.

Preferably, the connection position of the supporter 3 to the rear end of the air cooler 1 is located behind the connection position of the sealing member 2 to the rear end of the air cooler 1. That is, when the air cooler 1 is loaded into the sweep box 4, the supporter 3 is first loaded into the sweep box 4 so that the air cooler 1 can be loaded into the sweep box 4 more smoothly.

Optionally, the seal 2 is fixed to the rear end of the air cooler 1 by fasteners 5. Specifically, in the present embodiment, the fastener 5 is a bolt.

Preferably, as shown in fig. 3, the seal 2 includes a connecting portion 21 and a sealing portion 22, the connecting portion 21 is connected to the rear end of the air cooler 1, and the sealing portion 22 is capable of abutting against the support surface 42. Specifically, in the present embodiment, the connecting portion 21 has a flat plate shape, and the connecting portion 21 is attached to the end surface of the rear end of the air cooler 1. The sealing portion 22 is abutted against the support surface 42 to realize a sealing function, and high-temperature gas is prevented from entering the scavenging air box 4 through a gap between the air cooler casing and the air cooler core. In the present embodiment, the seal member 2 has an elongated shape.

Preferably, as shown in fig. 3, the sealing portion 22 includes an inclined arm portion 221 and an arc portion 222, one end of the inclined arm portion 221 is connected to the connecting portion 21, the other end is connected to the arc portion 222, and a joint of the inclined arm portion 221 and the arc portion 222 can abut against the supporting surface 42. The connection part 21, the inclined arm part 221 and the arc part 222 are connected in sequence, so that the whole structure is simple and the cost is low. In addition, by the engagement of the inclined arm portion 221 and the arc portion 222, first, the sealing portion 22 is elastically deformed to a certain extent by the abutting force of the support surface 42, so that the sealing portion 22 can be brought into close contact with the support surface 42, and the sealing effect is ensured; secondly, the sealing element 2 can be quickly restored to the original shape due to the elasticity of the sealing element after being detached from the scavenging air box 4, the sealing effect can still be ensured when the sealing element is installed next time, and the stability of the sealing performance is ensured; in addition, the inclined arm part 221 and the arc-shaped part 222 can effectively buffer the vibration of the diesel engine, and the generation of a gap between the air cooler shell and the air cooler core is reduced as much as possible; finally, the arc portion 222 can also increase the strength of the sealing portion 22, so that the sealing element 2 is not easily damaged, and the service life of the sealing element 2 is prolonged.

Preferably, as shown in fig. 3, the included angle a between the connecting portion 21 and the inclined arm portion 221 is an obtuse angle. Further, in the present embodiment, the angle a between the connecting portion 21 and the sealing portion 22 is 109 °. Of course, in other embodiments, the specific value of the included angle a between the connecting portion 21 and the inclined arm portion 221 may be adjusted according to actual requirements, and is not limited herein. In the present embodiment, the connecting portion 21 and the inclined arm portion 221 are transited by an arc.

Preferably, the sealing member 2 is made of a stainless steel material. The stainless steel material can effectively prevent the sealing element 2 from being corroded by water vapor at high temperature, and the service life of the sealing element 2 is prolonged.

The embodiment also provides a diesel engine, which comprises the sealing structure of the air cooler of the diesel engine. The diesel engine that this embodiment provided, through using foretell diesel engine air cooler seal structure, not only can play the sealed effect between air cooler casing and the air cooler core, prevent that high-temperature gas from entering into scavenging case 4 through the clearance between air cooler casing and the air cooler core, can pack into scavenging case 4 with air cooler 1 fast moreover or by the stripping in the scavenging case 4, improved dismouting efficiency.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.