CN209908625U

CN209908625U - Oil pan sealing gasket for diesel engine

Info

Publication number: CN209908625U
Application number: CN201920121995.5U
Authority: CN
Inventors: 丁业乾; 陈晓锋; 张鹏程; 倪鹏云; 汪波; 何培
Original assignee: Anhui Zhongding Sealing Parts Co Ltd
Current assignee: Anhui Zhongding Sealing Parts Co Ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-01-07
Anticipated expiration: 2029-01-24

Abstract

The utility model discloses an oil pan sealing gasket for diesel engine, include: the sealing gasket base body, the logical groove that sealed pad base body's middle part has, the sealed face of sealed pad base body is equipped with inside seal muscle, external seal muscle and the main seal muscle that outside arch formed, inside seal muscle, external seal muscle and main seal muscle are the annular arch of arranging around sealed pad base body's logical groove circumference, and the inside seal muscle is located the inboard of external seal muscle, and the main seal muscle is located between inside seal muscle and the external seal muscle and with reserve the interval between the two, connect each other through the strengthening rib of radial arrangement between inside seal muscle, external seal muscle and the main seal muscle, and the strengthening rib is equipped with a plurality ofly, and each strengthening rib is arranged along the circumferential direction interval that leads to the groove. The utility model discloses can effectively improve sealed effect, can also completely cut off the noise that the crankshaft rotation in-process produced in the very big part bent axle case simultaneously.

Description

Oil pan sealing gasket for diesel engine

Technical Field

The utility model relates to a mould processing equipment technical field especially relates to a diesel engine is with sealed pad of oil pan.

Background

The oil pan is located at the lower part of the engine and is the lower half part of the crankcase, which is also called as the lower crankcase. The function is to close the crankcase as the housing of the oil sump, prevent impurities from entering, and to collect and store the lubricating oil flowing back from the friction surfaces of the oil engine, to dissipate part of the heat and to prevent the lubricating oil from oxidizing. Once the lubricating oil leaks and is lost, the lubricating and heat dissipation of the crankshaft system can be directly influenced, and therefore the sealing of the lubricating oil of the engine oil sump is extremely critical. The oil pan sealing gasket is installed between the crankcase and the oil pan, so that lubricating oil inside the crankcase is prevented from leaking, and the oil pan sealing gasket is one of key sealing parts of the crankcase. Because the crankcase and the oil pan of the diesel engine have larger sizes (generally the length is about 1000mm, the width is about 500 mm), how to develop a sealing gasket with good sealing performance, durability and reliability is one of the important works for the localization of the domestic sealing industry at present.

SUMMERY OF THE UTILITY MODEL

For the technical problem who exists among the solution background art, the utility model provides a diesel engine is with sealed pad of oil pan.

The utility model provides a pair of oil pan sealing gasket for diesel engine, include: the sealing gasket base body, the logical groove that sealed pad base body's middle part has, the sealed face of sealed pad base body is equipped with inside seal muscle, external seal muscle and the main seal muscle that outside arch formed, inside seal muscle, external seal muscle and main seal muscle are the annular arch of arranging around sealed pad base body's logical groove circumference, and the inside seal muscle is located the inboard of external seal muscle, and the main seal muscle is located between inside seal muscle and the external seal muscle and with reserve the interval between the two, connect each other through the strengthening rib of radial arrangement between inside seal muscle, external seal muscle and the main seal muscle, and the strengthening rib is equipped with a plurality ofly, and each strengthening rib is arranged along the circumferential direction interval that leads to the groove.

Preferably, a sealing groove which is arranged along the circumferential direction of the through groove and can be clamped by the port edge of the oil pan is arranged on the end surface of one side of the sealing gasket base body, which is far away from the sealing surface.

Preferably, the sealing groove is a U-shaped groove, and the width of the sealing groove increases from the bottom of the sealing groove to the port of the sealing groove.

Preferably, the included angle between the side walls of the two sides of the sealing groove is 5-8 degrees.

Preferably, the side edge of the sealing groove is in contact with the bottom surface of the sealing groove and is in rounded transition.

Preferably, the reinforcing rib is formed at one time with the inner sealing rib, the outer sealing rib and the main sealing rib.

Preferably, the reinforcing ribs are arranged at equal intervals in the circumferential direction of the through groove.

Preferably, the spacing between any two adjacent reinforcing ribs is 40mm-60 mm.

Preferably, the width of the main sealing rib decreases from the bottom surface to the end portion of the main sealing rib.

Preferably, the included angle between the inner side surface and the outer side surface of the main sealing rib is 30 degrees.

Preferably, the width of the inner sealing rib decreases from the bottom surface to the end portion of the inner sealing rib.

Preferably, the included angle between the inner side surface and the outer side surface of the inner sealing rib is 30 degrees.

Preferably, the width of the outer sealing rib decreases from the bottom surface to the end portion of the outer sealing rib.

Preferably, the included angle between the inner side surface and the outer side surface of the outer sealing rib is 30 degrees.

The utility model discloses in, through set up 3 sealed muscle that constitute by interior sealing muscle, external sealing muscle and main sealing muscle on the sealed face of the sealed base member that fills up to at sealed in-process, it is not enough because of the pressurized production sealing force that sinks to work as inside and outside sealed muscle, and the main sealing muscle that is located the two centre can play main sealing effect, so as to prevent that this oil pan sealed pad from sinking because of inside and outside two sealed muscle and producing the risk that the sealing force is not enough and appear leaking. Simultaneously, through setting up the strengthening rib to utilize the strengthening rib to make interior sealing muscle, external sealing muscle and main sealing muscle be connected each other, thereby make the difficult skew of each sealing muscle and empty after this oil pan sealing gasket assembly pressurized, in order to improve sealed effect, also isolated the noise that produces in the crankshaft rotation process in the great part bent axle case simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an oil pan sealing gasket for a diesel engine according to the present invention;

fig. 2 is a cross-sectional view of an oil pan gasket for a diesel engine according to the present invention;

fig. 3 is an assembly schematic diagram of the oil pan sealing gasket for the diesel engine provided by the utility model.

Detailed Description

The technical solution of the present invention will be described in detail by the following embodiments.

As shown in fig. 1-3, fig. 1 is a schematic structural diagram of an oil pan gasket for a diesel engine according to the present invention; fig. 2 is a cross-sectional view of an oil pan gasket for a diesel engine according to the present invention; fig. 3 is an assembly schematic diagram of the oil pan sealing gasket for the diesel engine provided by the utility model.

Referring to fig. 1-2, the utility model provides an oil pan sealing gasket for diesel engine, include: the oil pan sealing structure comprises a sealing gasket base body 1, wherein a through groove is formed in the middle of the sealing gasket base body 1, and when the sealing gasket base body is installed, the through groove is matched with a port of the oil pan. The sealing surface of the sealing gasket base body 1 is provided with an inner sealing rib 2, an outer sealing rib 3 and a main sealing rib 4 which are formed by outward protrusions, the inner sealing rib 2, the outer sealing rib 3 and the main sealing rib 4 are all annular protrusions arranged circumferentially around the through groove of the sealing gasket base body 1, the inner sealing rib 2 is located on the inner side of the outer sealing rib 3, and the main sealing rib 4 is located between the inner sealing rib 2 and the outer sealing rib 3 and is reserved with a space between the inner sealing rib 2 and the outer sealing rib 3. The structure setting of interior sealed muscle 2, outer sealed muscle 3 and main sealed muscle 4 can guarantee that sealed the main sealed muscle 4 in the middle of can playing main sealed effect when filling up the pressurized to prevent to produce the risk that the sealing force is not enough and appear leaking because of inside and outside two sealed muscle collapse.

The inner sealing rib 2, the outer sealing rib 3 and the main sealing rib 4 are connected with each other through reinforcing ribs 5 which are arranged in the radial direction; the reinforcing ribs 5 are formed with the inner sealing rib 2, the outer sealing rib 3 and the main sealing rib 4 at one time, the plurality of reinforcing ribs 5 are arranged, the reinforcing ribs 5 are arranged at equal intervals along the circumferential direction of the through groove, and the interval between any two adjacent reinforcing ribs 5 is 40-60 mm. The reinforcing rib 5 is arranged, so that the phenomenon of leakage caused by the fact that the sealing rib 1 is twisted or toppled over when the oil pan sealing gasket is installed under pressure can be prevented, and the sealing reliability is guaranteed.

According to the above, the utility model discloses a set up 3 sealed muscle that constitute by interior sealing muscle 2, external sealing muscle 3 and main sealing muscle 4 on sealed face of the sealed base member 1 that fills up to at sealed in-process, when interior, the sealed muscle of outer strip sinks because of the pressurized and produces sealing force not enough, be located the main sealing muscle 4 in the middle of the two and can play the main seal effect, so as to prevent that this oil pan is sealed to fill up and to sink because of interior, two outer sealed muscle and produce the risk that sealing force is not enough and appear leaking. Simultaneously, through setting up strengthening rib 5 to utilize strengthening rib 5 to make interior sealing muscle 2, outer sealing muscle 3 and main sealing muscle 4 connect each other, thereby make the difficult skew of each sealing muscle and topple over after this oil pan sealing gasket assembly pressurized, in order to improve sealed effect, also isolated the noise that produces in the crankshaft rotation process in the great part bent axle case simultaneously.

Referring to fig. 3, in this embodiment, a sealing groove 6 which is arranged along the circumferential direction of the through groove and into which an end edge of the oil pan can be inserted is provided on an end surface of the sealing gasket base body 1, which is far from the sealing surface. During assembly, the sealing surface of the sealing gasket base body 1 faces the cylinder body A, and the sealing groove 6 of the sealing gasket base body is coated on the edge of the port of the oil pan B. The setting of this kind of structure can effectively improve sealed effect between this oil pan sealing pad and the oil pan, makes it simultaneously, is difficult for dropping, has guaranteed the assembly stability of this oil pan sealing pad a week.

In addition, in the present embodiment, the sealing groove 6 is a U-shaped groove, and the width of the sealing groove 6 increases from the bottom thereof to the end thereof, so that an opening angle with an angle is formed between the sidewalls of the two sides of the sealing groove 6, and the angle is 5 ° to 8 °. The oil pan sealing gasket is assembled with the oil pan through the arrangement of the structure, the opening angle of the sealing groove 6 can play a good guiding role on the port edge of the oil pan, and the oil pan sealing gasket is more convenient to assemble.

In this embodiment, the side of the sealing groove 6 is in contact with the bottom surface thereof and is in fillet transition, so that when the oil pan sealing gasket is compressed during assembly with an assembly, the local stress and strain distribution of the oil pan sealing gasket is more uniform, and the sealing performance of the oil pan sealing gasket is more reliable.

In this embodiment, the width of the main sealing rib 4, the inner sealing rib 2 and the outer sealing rib 3 is equally divided into two parts, namely, the width is gradually decreased from the bottom surface to the end part of the main sealing rib, so that the included angle between the inner side surface and the outer side surface of the main sealing rib 4, the included angle between the inner side surface and the outer side surface of the inner sealing rib 2 and the included angle between the inner side surface and the outer side surface of the outer sealing rib 3 are both 30 degrees, and the structure can effectively ensure the stability of each sealing rib on the sealing surface of the oil pan sealing pad when the oil pan sealing pad is compressed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oil pan gasket for a diesel engine, characterized by comprising: the sealing gasket base body (1), the logical groove that the middle part of the sealing gasket base body (1) has, the sealed face of the sealing gasket base body (1) is equipped with inside seal muscle (2), external seal muscle (3) and main seal muscle (4) that outside arch formed, inside seal muscle (2), external seal muscle (3) and main seal muscle (4) are the annular arch of arranging around the logical groove circumference of sealing gasket base body (1), and inside seal muscle (2) are located the inboard of external seal muscle (3), main seal muscle (4) are located between inside seal muscle (2) and external seal muscle (3) and with reserve the interval between the two, inside seal muscle (2), external seal muscle (3) and main seal muscle (4) between be connected each other through strengthening rib (5) of radial arrangement, and strengthening rib (5) are equipped with a plurality ofly, each strengthening rib (5) are arranged along the circumference direction interval of logical groove.

2. The oil pan gasket for the diesel engine according to claim 1, wherein a side end face of the gasket base body (1) away from the sealing face is provided with a sealing groove (6) which is arranged in the circumferential direction of the through groove and into which an end edge of the oil pan can be fitted.

3. The oil pan gasket for the diesel engine according to claim 2, wherein the sealing groove (6) is a U-shaped groove, and the width of the sealing groove (6) increases from the bottom thereof to the port thereof.

4. An oil pan gasket for a diesel engine according to claim 3, characterized in that the angle between the side walls on both sides of the sealing groove (6) is 5 ° to 8 °.

5. An oil pan gasket for a diesel engine according to claim 3, characterized in that the side edge of the seal groove (6) is in contact with the bottom surface thereof as a rounded transition.

6. The oil pan gasket for the diesel engine according to claim 1, characterized in that the reinforcing rib (5) is formed at one time with the inner seal rib (2), the outer seal rib (3), and the main seal rib (4).

7. The oil pan gasket for a diesel engine according to claim 1, characterized in that the reinforcing ribs (5) are arranged at equal intervals in the circumferential direction of the through groove.

8. The oil pan gasket for the diesel engine according to claim 7, wherein the interval between any two adjacent reinforcing ribs (5) is 40mm to 60 mm.

9. An oil pan gasket for a diesel engine according to any one of claims 1 to 8, characterized in that the width of the main seal bead (4) decreases in order from the bottom surface thereof toward the end portion thereof.

10. An oil pan gasket for a diesel engine according to claim 9, characterised in that the angle between the inner and outer side faces of the main sealing rib (4) is 30 °.

11. An oil pan gasket for a diesel engine according to any one of claims 1 to 8, characterized in that the width of the inner seal rib (2) decreases in order from the bottom surface thereof toward the end portion thereof.

12. An oil pan gasket for a diesel engine according to claim 11, characterized in that the angle between the inner and outer side faces of the inner sealing rib (2) is 30 °.

13. An oil pan gasket for a diesel engine according to any one of claims 1 to 8, characterised in that the width of the outer sealing rib (3) decreases in order from the bottom surface thereof to the end portion thereof.

14. An oil pan gasket for a diesel engine according to claim 13, characterized in that the angle between the inner and outer side faces of the outer sealing rib (3) is 30 °.