CN217538863U

CN217538863U - Timing chain cover

Info

Publication number: CN217538863U
Application number: CN202221800926.5U
Authority: CN
Inventors: 马维忍; 冯开利; 刘俊
Original assignee: Chongqing Sokon Industry Group Co Ltd
Current assignee: Chongqing Sokon Industry Group Co Ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-04
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a timing chain cover, which comprises a timing chain cover body, wherein a sealing part is formed on the periphery of the timing chain cover body, and the timing chain cover body is hermetically arranged at a preset position through the sealing part; the timing chain cover comprises a timing chain cover body and is characterized in that an upper functional hole is formed in the top of the timing chain cover body in the height direction, a lower functional hole is formed in the bottom of the timing chain cover body in the height direction, a reinforcing convex hull is arranged between the upper functional hole and the lower functional hole, and the reinforcing convex hull is formed by the timing chain cover body in a protruding mode outwards in the thickness direction; the noise influence of the timing chain cover can be reduced, and the user experience is improved.

Description

Timing chain cover

Technical Field

The utility model relates to an automobile parts field, concretely relates to chain cover in right time.

Background

At present, the problem of large surface radiation noise exists in timing chain covers used by an engine to different degrees, the noise level of the engine is greatly influenced, and particularly, the noise of the engine is higher under the working conditions of large load and high speed, so that the experience of using the timing chain covers is poor.

Therefore, in order to solve the above problems, a timing chain cover is needed, which can reduce the noise effect of the timing chain cover and improve the user experience.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, providing the chain cover in right time, can reduce the noise influence of chain cover in right time, promote user experience.

The utility model discloses a timing chain cover, which comprises a timing chain cover body, wherein a sealing part is formed on the periphery of the timing chain cover body, and the timing chain cover body is hermetically arranged at a preset position through the sealing part; the timing chain cover comprises a timing chain cover body and is characterized in that an upper functional hole is formed in the top of the timing chain cover body in the height direction, a lower functional hole is formed in the bottom of the timing chain cover body in the height direction, a reinforcing convex hull is arranged between the upper functional hole and the lower functional hole, and the reinforcing convex hull is formed by the timing chain cover body in a protruding mode outwards in the thickness direction.

Furthermore, the sealing part is formed by continuously connecting a top surface of the timing chain cover body along the height direction, a bottom surface of the timing chain cover body along the height direction, a left inner side surface of the timing chain cover in the thickness direction and a right inner side surface of the timing chain cover in the thickness direction in a surrounding manner.

Further, the reinforcing convex hull has an arc surface facing the upper functional hole.

Furthermore, the timing chain cover body is provided with an auxiliary connecting part, the auxiliary connecting part is surrounded by the sealing part, and the auxiliary connecting part is used for installing the timing chain cover body at a preset position.

Further, the timing chain cover body is inwards sunken along the thickness direction to form a reinforcing groove, the reinforcing convex hulls are arranged close to the upper functional holes along the height direction, and the reinforcing groove is arranged close to the lower functional holes along the height direction.

Further, the reinforcing grooves include a first reinforcing groove, a second reinforcing groove, and a third reinforcing groove; the first reinforcing groove is located between the reinforcing convex hull and the lower functional hole, and the second reinforcing groove and the third reinforcing groove are transversely and correspondingly arranged on two sides of the lower functional hole respectively.

Further, the top of the second reinforcement groove extends toward the third reinforcement groove in the radial direction of the lower functional hole, and the top of the third reinforcement groove extends toward the second reinforcement groove in the radial direction of the lower functional hole.

Further, the periphery of the upper functional hole forming the upper functional hole extends inwards along the thickness direction to form an upper protective flange, and the periphery of the lower functional hole forming the lower functional hole protrudes outwards along the thickness direction to form a lower protective flange.

Furthermore, the timing chain cover body protrudes outwards along the thickness direction along the top of the height direction to form an upper reinforcing protrusion, the number of the upper functional holes is two, and the two upper functional holes are respectively arranged on two sides of the transverse middle part of the upper reinforcing protrusion.

Furthermore, a reinforcing rib is arranged in the timing chain cover body, and the ratio of the width of the reinforcing rib to the height of the reinforcing rib is 1/3-1/6.

The utility model has the advantages that: the utility model discloses a timing chain cover, including timing chain cover body, the periphery of timing chain cover body forms the sealing, timing chain cover body passes through the sealing airtight installation in predetermineeing the position, and timing chain cover body is along the top surface of direction of height, timing chain cover body along the bottom surface of direction of height, timing chain cover body thickness direction's left medial surface and timing chain cover body thickness direction's right medial surface continuous connection surround and constitute and be located the circumferential sealing of timing chain cover body, has strengthened the restraint mode of timing chain cover body, reduces the cooperation of taking place timing chain cover body and shakes, reduces the surface radiation noise, promotes user's use and experiences.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the back view structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic bottom view of the present invention;

FIG. 5 isbase:Sub>A schematic view of the structure of FIG. 1 along the line A-A according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 2 along the direction B-B according to the present invention;

fig. 7 is a schematic view of the structure of fig. 1 in the direction of C-C according to the present invention.

Detailed Description

Fig. 1 is a schematic structural view of the present invention, as shown in the figure, the height direction is the length direction of the timing chain cover body, the transverse direction is the width direction of the timing chain cover body, and the thickness direction is the thickness direction of the timing chain cover body, which is not repeated herein; the timing chain cover in the embodiment comprises a timing chain cover body, wherein a sealing part is formed on the periphery of the timing chain cover body, the timing chain cover body is hermetically installed at a preset position through the sealing part, as shown in fig. 2, 3 and 4, the sealing part is formed by continuously connecting a top surface of the timing chain cover body along the height direction, a bottom surface of the timing chain cover body along the height direction, a left inner side surface of the timing chain cover body along the thickness direction and a right inner side surface of the timing chain cover body along the thickness direction in a surrounding manner, the left side and the right side correspond to the left side and the right side of the timing chain cover body in the transverse direction in fig. 1, the inner side and the outer side correspond to the inner side and the outer side of the timing chain cover body installed behind an engine in fig. 7, the timing chain cover body is bent inwards along the transverse left side along the thickness direction to form a left connecting part 3, and the left inner side surface is the bottom surface of the left connecting part 3 in the thickness direction, the timing chain cover body is bent inwards along the thickness direction along the transverse right edge to form a right connecting part 4, the right inner side surface is the bottom surface of the right connecting part 4 in the thickness direction, the left inner side surface is connected with the left top surface of the timing chain cover body along the height direction and the left bottom surface of the timing chain cover body along the height direction, the right inner side surface is connected with the right top surface of the timing chain cover body along the height direction and the right bottom surface of the timing chain cover body along the height direction, so that the top surface of the timing chain cover body along the height direction, the bottom surface of the timing chain cover body along the height direction, the left inner side surface of the timing chain cover body in the thickness direction and the right inner side surface of the timing chain cover body in the thickness direction are continuously connected and enclosed to form a sealing part positioned at the periphery of the timing chain cover body, the constraint mode of the timing chain cover body is enhanced, the occurrence of the co-vibration of the timing chain cover body is reduced, and the surface radiation noise is reduced, the use experience of the user is improved.

In this embodiment, as shown in the figure, the timing chain cover body is provided with an upper functional hole 1 along the top in the height direction, the upper functional hole 1 is an assembly hole of the VVS solenoid valve, the periphery of the upper functional hole 1 forming the upper functional hole 1 extends inward in the thickness direction to form an upper protective flange 5, the upper protective flange 5 plays a role in structural reinforcement and protection for the upper functional hole 1, the top in the height direction of the timing chain cover body protrudes outward in the thickness direction to form an upper reinforcing protrusion 6, the number of the upper functional holes 1 is two, the two upper functional holes 1 are respectively disposed on two sides of the transverse middle part of the upper reinforcing protrusion 6, and the bottom in the height direction of the upper reinforcing protrusion 6 is wavy; the arrangement of the upper reinforcing bulge 6 plays a role in improving and reinforcing the rigidity of the timing chain cover body, the top surface in the height direction of the timing chain cover body widens the sealing width on the basis of meeting the sealing function, the connecting strength is improved, the sealing effect is ensured, and meanwhile, the functions of improving the rigidity and modal frequency of the timing chain cover body are also achieved;

the timing chain cover body is provided with a lower functional hole 2 along the bottom in the height direction, the lower functional hole 2 is an assembly hole for transmitting force out of an output shaft of an engine, the periphery of the lower functional hole 2 protrudes outwards in the thickness direction to form a lower protection flange 7, the lower protection flange 7 plays a role in structure reinforcement and protection on the lower functional hole 2, meanwhile, the lower protection flange 7 also plays a role in supporting and dust prevention due to the fact that the output shaft is sealed through an oil seal, vibration of the timing chain cover can be effectively guaranteed to be low, and particularly the influence of vibration of a crankshaft system and a crankshaft pulley is reduced.

In this embodiment, as shown in the figure, a reinforcing convex hull 8 is arranged between the upper functional hole 1 and the lower functional hole 2, the reinforcing convex hull 8 is formed by the timing chain cover body protruding outwards along the thickness direction, the reinforcing convex hull 8 is arranged close to the upper functional hole 1 along the height direction, and the reinforcing convex hull 8 has an arc surface facing the upper functional hole 1;

the timing chain cover body is inwards sunken along the thickness direction to form a reinforcing groove, the reinforcing groove is arranged close to the lower functional hole 2 along the height direction, and the reinforcing groove is provided with an arc edge in the height direction; the reinforcing grooves include a first reinforcing groove 91, a second reinforcing groove 92, and a third reinforcing groove 93; the first reinforcing groove 91 is positioned between the reinforcing convex hull 8 and the lower functional hole 2, and the second reinforcing groove 92 and the third reinforcing groove 93 are respectively and correspondingly arranged on two sides of the lower functional hole 2 along the transverse direction; the top of the second reinforcement groove 92 extends toward the third reinforcement groove 93 in the radial direction of the lower functional hole 2, and the top of the third reinforcement groove 93 extends toward the second reinforcement groove 92 in the radial direction of the lower functional hole 2;

the arrangement of the reinforcing convex hulls 8 and the reinforcing grooves has the advantages that continuous large planes are prevented from being formed on the timing chain cover body, the structural rigidity of the timing chain cover body is improved, the overall mode of the timing chain cover body after installation is improved, the inherent mode frequency of the timing chain cover body is improved, and the risk of resonance with an engine is reduced; the modal frequency and the vibration and sound absorption functions of the timing chain cover body can be better ensured.

In this embodiment, the timing chain cover body is provided with an auxiliary connecting part, the auxiliary connecting part is surrounded by the sealing part, and the auxiliary connecting part is used for installing the timing chain cover body at a preset position; as shown in the figure, the protruding 10 of spiro union and with the protruding 10 complex screws of spiro union of the supplementary connecting portion of this scheme for being located enhancement convex closure 8 direction of height bottom, the protruding 10 of spiro union is formed by the inboard outside-in protrusion of the inboard face of thickness direction of timing chain cover body edge, and the screw wears to locate the protruding 10 of spiro union promptly and will install the chain cover body in the right time in predetermineeing the position, and the supplementary connecting portion that is surrounded by the sealing, can further improve the installation intensity of chain cover body in the position of predetermineeing in the right time, has reduced the resonant risk of chain cover body and engine in the right time.

In this embodiment, the timing chain cover body is provided with a reinforcing rib 11, and the ratio of the width of the reinforcing rib 11 to the height of the reinforcing rib 11 is 1/3-1/6. As shown in fig. 2, a plurality of reinforcing ribs 11 distributed radially are radially arranged on the upper functional hole 1, a plurality of reinforcing ribs 11 distributed radially are radially arranged on the screwing projection 10, a plurality of reinforcing ribs 11 distributed radially are radially arranged on the lower functional hole 2, and a plurality of reinforcing ribs 11 connecting the left connecting part 3 and the right connecting part 4 are radially arranged on the screwing projection, the width-to-height ratio of the reinforcing ribs 11 is the width-to-height ratio of the reinforcing ribs 11 in a general conventional state, and the width-to-height ratio of the reinforcing ribs 11 in the general conventional state in the scheme is 1/3; in particular, due to the formation of the reinforcing convex hulls 8 and the upper reinforcing protrusions 6, the reinforcing ribs 11 located at corresponding positions are increased and connected to the inner side surface of the thickness direction of the timing chain cover, that is, the extension of the reinforcing ribs 11 in the height direction for the purpose of adapting the structure at specific positions does not belong to the definition of the reinforcing ribs 11 in the general conventional state, that is, the aspect ratio of the reinforcing ribs 11 is not applicable, and will not be described herein again.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A timing chain cover is characterized in that: the timing chain cover comprises a timing chain cover body, wherein a sealing part is formed on the periphery of the timing chain cover body, and the timing chain cover body is hermetically arranged at a preset position through the sealing part; the timing chain cover comprises a timing chain cover body and is characterized in that an upper functional hole is formed in the top of the timing chain cover body in the height direction, a lower functional hole is formed in the bottom of the timing chain cover body in the height direction, a reinforcing convex closure is arranged between the upper functional hole and the lower functional hole, and the reinforcing convex closure is formed by the timing chain cover body protruding outwards in the thickness direction.

2. The timing chain cover according to claim 1, characterized in that: the sealing part is formed by continuously connecting a top surface of the timing chain cover body along the height direction, a bottom surface of the timing chain cover body along the height direction, a left inner side surface of the timing chain cover in the thickness direction and a right inner side surface of the timing chain cover in the thickness direction in a surrounding manner.

3. The timing chain cover according to claim 1, characterized in that: the reinforcing convex hull has an arc surface facing the upper functional hole.

4. The timing chain cover according to claim 1, characterized in that: the timing chain cover comprises a timing chain cover body and is characterized in that an auxiliary connecting portion is arranged on the timing chain cover body and is surrounded by a sealing portion, and the auxiliary connecting portion is used for installing the timing chain cover body at a preset position.

5. The timing chain cover according to claim 1, characterized in that: the timing chain cover body is inwards sunken along the thickness direction to form a reinforcing groove, the reinforcing convex hulls are arranged close to the upper functional holes along the height direction, and the reinforcing groove is arranged close to the lower functional holes along the height direction.

6. The timing chain cover according to claim 5, characterized in that: the reinforcing grooves comprise a first reinforcing groove, a second reinforcing groove and a third reinforcing groove; the first strengthening groove is positioned between the strengthening convex hull and the lower functional hole, and the second strengthening groove and the third strengthening groove are respectively and correspondingly arranged at two sides of the lower functional hole along the transverse direction.

7. The timing chain cover according to claim 6, characterized in that: the second reinforcement groove has a top portion extending toward the third reinforcement groove in the radial direction of the lower functional hole, and the third reinforcement groove has a top portion extending toward the second reinforcement groove in the radial direction of the lower functional hole.

8. The timing chain cover according to claim 1, characterized in that: the periphery of the upper functional hole forming the upper functional hole extends inwards along the thickness direction to form an upper protective flange, and the periphery of the lower functional hole forming the lower functional hole protrudes outwards along the thickness direction to form a lower protective flange.

9. The timing chain cover according to claim 1, characterized in that: the timing chain cover body protrudes outwards along the thickness direction along the top of the height direction to form an upper reinforcing protrusion, the number of the upper functional holes is two, and the two upper functional holes are respectively arranged on two sides of the transverse middle part of the upper reinforcing protrusion.

10. The timing chain cover according to claim 1, characterized in that: the timing chain cover is internally provided with a reinforcing rib, and the ratio of the width of the reinforcing rib to the height of the reinforcing rib is 1/3-1/6.