CN216923044U

CN216923044U - Lightweight flywheel casing

Info

Publication number: CN216923044U
Application number: CN202122981424.9U
Authority: CN
Inventors: 曹年风; 吕智琳
Original assignee: Jiangyin Zhongwei Power Machinery Co ltd
Current assignee: Jiangyin Zhongwei Power Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-08
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of flywheel shells, and particularly discloses a lightweight flywheel shell which comprises a middle connecting part, a front connecting part arranged at the front end of the middle connecting part and a rear connecting part arranged at the rear end of the middle connecting part, wherein a middle connecting shell ring of a shell structure is arranged in the middle of the middle connecting part, reinforcing ribs I of a convex structure are annularly and uniformly distributed on two sides of a wall body of the middle connecting shell ring, a front connecting shell ring fixedly connected with the front end of the middle connecting shell ring is arranged at the front end of the front connecting part, a transmission connecting surface is arranged at the front end of the front connecting shell ring, and a rear connecting shell plate fixedly connected with the rear end of the middle connecting shell ring is arranged at the rear end of the rear connecting part; according to the utility model, the whole shell is cast by adopting aluminum alloy, so that the appearance structure is compact, the whole structure is light, the weight of the whole shell is reduced, the load of the whole automobile is reduced, and the energy consumption is reduced; the structural strength of the stress part is improved through the reinforcing ribs I and the reinforcing ribs II, and the service life of the whole shell is prolonged.

Description

Lightweight flywheel casing

Technical Field

The utility model relates to the technical field of flywheel shells, in particular to a lightweight flywheel shell.

Background

The flywheel shell is installed between an engine and a gearbox, is externally connected with a crank case, a starter and an oil pan, is internally provided with a flywheel assembly, and plays the roles of connecting a machine body, protecting and carrying. Generally, the flywheel housing is shaped like a basin. The main function of the flywheel shell is to realize the effective connection between the engine and the transmission, and through the change of the flywheel shell, the engine with the same model can carry automobiles with different models, thereby meeting the market demand. The traditional flywheel housing mostly adopts gray cast iron to cast blanks, is simple to cast and low in production cost, meets general use requirements, but still has the following defects in the actual use process:

1. the flywheel housing in the prior art has poor casting environment, rough casting surface, large overall dimension and heavy weight, increases the load of the whole automobile and improves the energy consumption;

2. the flywheel housing in the prior art is characterized by uneven wall thickness, so that stress imbalance easily occurs when the flywheel housing is stressed, the shell is cracked, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lightweight flywheel housing to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a lightweight flywheel casing comprises a middle connecting part, a front connecting part arranged at the front end of the middle connecting part and a rear connecting part arranged at the rear end of the middle connecting part, wherein a middle connecting casing ring of a casing structure is arranged in the middle of the middle connecting part, reinforcing ribs I with protruding structures are annularly and uniformly distributed on two sides of the wall body of the middle connecting shell ring, a front connecting shell ring fixedly connected with the front end of the middle connecting shell ring is arranged at the front end of the front connecting part, and the front end of the front connecting shell ring is provided with a speed changer connecting surface, the end surface of the speed changer connecting surface is provided with speed changer connecting screw holes which are distributed uniformly and circumferentially, the rear end of the rear connecting part is provided with a rear connecting shell plate fixedly connected with the rear end of the middle connecting shell ring, and a crankshaft hole with an annular structure is arranged in the middle of the rear connecting shell plate, a reinforcing ring is annularly arranged on the outer side of the crankshaft hole, and reinforcing ribs II of a convex structure are arranged on the outer side of the reinforcing ring and the inner side surface of the rear connecting shell plate.

Preferably, the upper end and the lower end of the middle connecting shell ring are provided with mounting support surfaces, a weight reduction cavity with a cavity structure is formed from the upper end of the mounting support surface to the surface of the middle connecting shell ring, and the upper end of the mounting support surface and the side surface of the weight reduction cavity are provided with whole vehicle fixing screw holes.

Preferably, the left side of the intermediate connection shell ring is provided with an observation window, and the left end face of the observation window is provided with a window plate mounting screw hole.

Preferably, the sensor mounting hole is formed in the upper left end of the outer side of the intermediate connection shell ring, and the dust discharging hole is formed in the right end of the outer side of the intermediate connection shell ring.

Preferably, the outer side surface of the rear connecting shell plate is provided with an engine shell connecting surface outside the reinforcing ring, the inner side surface of the rear connecting shell plate is provided with a shell connecting screw hole reinforcing boss of a protruding structure corresponding to the position of the engine shell connecting surface, and the end surface of the engine shell connecting surface is provided with a shell connecting screw hole towards the end surface of the shell connecting screw hole reinforcing boss.

Preferably, a starting motor mounting seat is guided from the right upper end of the rear connecting shell plate to the outer side surface of the middle connecting shell ring, a starting motor hole is formed in the right end of the starting motor mounting seat, and a motor fixing screw hole is formed in the outer side of the starting motor hole and the right end surface of the starting motor mounting seat.

Preferably, the left lower end of the outer side surface of the rear connecting shell plate is provided with a flywheel pointer observation hole, the right end surface of the flywheel pointer observation hole is annularly provided with an observation plate installation screw hole, and the left upper end of the rear connecting shell plate is provided with a turning hole.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has reasonable structure and strong functionality, and has the following advantages:

1. according to the utility model, the aluminum alloy is adopted for casting, so that the appearance structure is compact, the whole structure is light, the weight of the whole shell is reduced, the load of the whole automobile is reduced, and the energy consumption is reduced;

2. in the utility model, the structural strength of the stressed part is improved through the reinforcing ribs I and the reinforcing ribs II, and the service life of the whole shell is prolonged.

Drawings

FIG. 1 is a side view of the overall structure of the present invention;

FIG. 2 is an isometric view II of the overall structure of the present invention;

FIG. 3 is an isometric view III of the overall structure of the present invention;

FIG. 4 is an isometric view IV of the overall construction of the utility model;

FIG. 5 is a front elevational view of the overall construction of the present invention;

fig. 6 is a rear view of the overall structure of the present invention.

In the figure: 1. a front connection part; 2. an intermediate connecting portion; 3. a rear connection portion; 101. the front is connected with a shell ring; 102. a transmission connection face; 103. the speed changer is connected with the screw hole; 201. the middle part is connected with a shell ring; 202. reinforcing ribs I; 203. mounting a support surface; 204. a weight-reducing cavity; 205. a whole vehicle fixing screw hole; 206. an observation window; 207. mounting screw holes on the window plate; 208. a sensor mounting hole; 209. a dust hole; 301. the rear connecting shell plate; 302. a crankshaft bore; 303. a reinforcement ring; 304. an engine case attachment face; 305. the shell is connected with the screw hole; 306. a flywheel pointer observation hole; 307. the observation plate is provided with a screw hole; 308. turning holes; 309. starting a motor mounting seat; 310. starting a motor hole; 311. a motor fixing screw hole; 312. a shell connecting hole reinforcing boss; 313. and a reinforcing rib II.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely 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 of the 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.

Referring to fig. 1 to 6, the present invention provides a technical solution: a lightweight flywheel casing comprises a middle connecting part 2, a front connecting part 1 arranged at the front end of the middle connecting part 2 and a rear connecting part 3 arranged at the rear end of the middle connecting part 2, a middle connecting shell ring 201 of a shell structure is arranged in the middle of the middle connecting part 2, reinforcing ribs I202 of a convex structure are annularly and uniformly distributed on two sides of a wall body of the middle connecting shell ring 201, a front connecting shell ring 101 fixedly connected with the front end of the middle connecting shell ring 201 is arranged at the front end of the front connecting shell ring 101, a transmission connecting surface 102 is arranged at the front end of the transmission connecting surface 102, transmission connecting screw holes 103 are axially and uniformly distributed on the end surface of the transmission connecting surface 102, a rear connecting shell plate 301 fixedly connected with the rear end of the middle connecting shell ring 201 is arranged at the rear end of the rear connecting shell plate 3, a crankshaft hole 302 of an annular structure is arranged in the middle of the rear connecting shell plate 301, a reinforcing ring 303 is annularly arranged on the outer side of the crankshaft hole 302, the outside of beaded finish 303 is and be equipped with convex structure's strengthening rib II 313 on the inboard face of back connection coverboard 301, wherein, improves the structural strength of intermediate junction shell ring 201 through strengthening rib I202, makes the support at both ends comparatively stable around the whole casing, improves the structural strength of back connection coverboard 301 through strengthening rib II 313, improves the bearing capacity of whole casing.

Furthermore, the upper end and the lower end of the middle connecting shell ring 201 are provided with mounting support surfaces 203, a weight reduction cavity 204 with a cavity structure is formed from the upper end of the mounting support surfaces 203 to the surface of the middle connecting shell ring 201, the upper end of the mounting support surfaces 203 and the side surface of the weight reduction cavity 204 are provided with a whole vehicle fixing screw hole 205, the whole mass of the whole shell is reduced through the structure of the whole vehicle fixing screw hole 205, and the mounting support surfaces 203 and the whole shell are fixed together through bolts in the whole vehicle fixing screw hole 205 during work.

Furthermore, the left side of the middle connecting shell ring 201 is provided with an observation window 206, the left end face of the observation window 206 is provided with a window plate mounting screw hole 207, the observation window 206 mainly functions to observe the angle of the flywheel and the working condition in the shell, and the end face of the observation window 206 is fixed with the observation window cover through a bolt in the window plate mounting screw hole 207.

Further, sensor mounting hole 208 has been seted up to the upper left end in the intermediate junction shell ring 201 outside, and has seted up dust hole 209 at the right-hand member in the intermediate junction shell ring 201 outside, and here, flywheel sensor fixed mounting is in sensor mounting hole 208, and the dust of accumulation in the flywheel casing then clears up through dust hole 209, reduces the clearance degree of difficulty.

Furthermore, an engine housing connecting surface 304 is arranged on the outer side surface of the rear connecting shell plate 301 and on the outer side of the reinforcing ring 303, a housing connecting screw hole reinforcing boss 312 with a protruding structure is arranged on the inner side surface of the rear connecting shell plate 301 corresponding to the position of the engine housing connecting surface 304, a housing connecting screw hole 305 is arranged from the end surface of the engine housing connecting surface 304 to the end surface of the housing connecting screw hole reinforcing boss 312, here, the structural strength of the side surface of the hole of the housing connecting screw hole 305 is improved by the housing connecting screw hole reinforcing boss 312 and the engine housing connecting surface 304, the bearing capacity of the housing connecting screw hole 305 is improved, the service life of the housing is prolonged, and when the engine cylinder body and the engine housing connecting surface 304 are fixedly connected together through bolts in the housing connecting screw hole 305.

Furthermore, a starting motor mounting seat 309 is introduced from the upper right end of the rear connecting shell plate 301 to the outer side surface of the intermediate connecting shell ring 201, a starting motor hole 310 is formed in the right end of the starting motor mounting seat 309, a motor fixing screw hole 311 is formed in the outer side of the starting motor hole 310 and the right end surface of the starting motor mounting seat 309, here, the starting motor is installed in the starting motor hole 310, and the starting motor is fixed on the end surface of the starting motor hole 310 through a bolt in the motor fixing screw hole 311.

Further, the left lower extreme of back connection coverboard 301 lateral surface has seted up flywheel pointer observation hole 306, and the hoop has seted up observation board installation screw hole 307 on flywheel pointer observation hole 306 right-hand member face, turning hole 308 has been seted up to the upper left end of back connection coverboard 301, here, through turning hole 308 dish during the engine assembly move the flywheel external tooth, adjustment flywheel and crankshaft installation angle, flywheel pointer observation hole 306 then is used for observing flywheel outer lane scale during the engine assembly, adjustment flywheel and crankshaft installation angle, observe through this hole whether the scale angle on pointer and the flywheel dish aligns.

The working principle is as follows: in the course of the work, whole casing plays a connection organism, the effect of protection and carrier, improve the drill way intensity of whole bent axle hole 302 through beaded finish 303, improve its anti fracture performance, connect face 304 and casing connection screw through the engine housing and strengthen the structural strength that boss 312 improves casing connection screw 305 drill way end with the casing, improve the life of whole casing, improve the structural strength of intermediate junction shell ring 201 and back connection coverboard 301 respectively through strengthening rib II 313 and strengthening rib I202, improve the life of whole casing, whole casing is the aluminum alloy casting, improve casting surface quality, reduce the weight of whole casing simultaneously, reduce whole car load, reduce the energy consumption.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lightweight bell housing, includes preceding connecting portion (1) that intermediate junction portion (2), intermediate junction portion (2) front end were established and back connecting portion (3) that intermediate junction portion (2) rear end were established, its characterized in that: the middle of intermediate junction portion (2) is equipped with shell structure's intermediate junction shell ring (201), and is equipped with the strengthening rib I (202) of protruding structure at the wall body both sides hoop equipartition of intermediate junction shell ring (201), the front end of preceding connecting portion (1) is equipped with preceding connection shell ring (101) that link to each other with the front end of intermediate junction shell ring (201), and the front end of preceding connection shell ring (101) is equipped with derailleur and connects face (102), derailleur connection screw (103) have been seted up to the hoop equipartition on the terminal surface of face (102) are connected to the derailleur, the rear end of back connecting portion (3) is equipped with back connection shell plate (301) with intermediate junction shell ring (201) rear end fixed linking to each other, and sets up annular structure's bent axle hole (302) in the middle of back connection shell plate (301), the outside hoop of bent axle hole (302) is equipped with beaded ring (303), beaded ring (303) is strengthened and be equipped with protruding structure's adding on the medial surface of back connection shell plate (301) in the outside of beaded finish (303), add Strengthening ribs II (313).

2. The lightweight flywheel housing of claim 1, wherein: and the upper end and the lower end of the middle connecting shell ring (201) are provided with mounting support surfaces (203), a weight reducing cavity (204) with a cavity structure is formed from the upper end of the mounting support surfaces (203) to the surface of the middle connecting shell ring (201), and a whole vehicle fixing screw hole (205) is formed in the upper end of the mounting support surfaces (203) and the side surface of the weight reducing cavity (204).

3. The lightweight flywheel housing of claim 1, wherein: an observation window (206) is arranged on the left side of the middle connecting shell ring (201), and a window plate mounting screw hole (207) is arranged on the left end face of the observation window (206).

4. The lightweight flywheel housing of claim 1, wherein: sensor mounting hole (208) have been seted up to the upper left end in intermediate junction shell circle (201) outside, and have seted up dust hole (209) at the right-hand member in intermediate junction shell circle (201) outside.

5. The lightweight flywheel housing of claim 1, wherein: the engine shell connecting surface (304) is arranged on the outer side surface of the rear connecting shell plate (301) and on the outer side of the reinforcing ring (303), a shell connecting screw hole reinforcing boss (312) of a protruding structure is arranged at the position, corresponding to the engine shell connecting surface (304), on the inner side surface of the rear connecting shell plate (301), and a shell connecting screw hole (305) is formed in the end surface of the engine shell connecting surface (304) towards the end surface of the shell connecting screw hole reinforcing boss (312).

6. The lightweight flywheel housing of claim 1, wherein: the rear connection shell plate is characterized in that a starting motor mounting seat (309) is led to the outer side face of the middle connection shell ring (201) from the upper right end of the rear connection shell plate (301), a starting motor hole (310) is formed in the right end of the starting motor mounting seat (309), and a motor fixing screw hole (311) is formed in the outer side of the starting motor hole (310) and the right end face of the starting motor mounting seat (309).

7. The lightweight flywheel housing of claim 1, wherein: the left lower end of the outer side surface of the rear connecting shell plate (301) is provided with a flywheel pointer observation hole (306), the right end surface of the flywheel pointer observation hole (306) is annularly provided with an observation plate installation screw hole (307), and the left upper end of the rear connecting shell plate (301) is provided with a turning hole (308).