CN216242993U

CN216242993U - Iron-to-aluminum lightweight flywheel casing

Info

Publication number: CN216242993U
Application number: CN202122791684.XU
Authority: CN
Inventors: 叶挺; 邵国建; 卢兴根
Original assignee: Zhejiang Yinxing Machinery Co ltd
Current assignee: Zhejiang Yinxing Machinery Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of lightweight flywheel shells and discloses an iron-to-aluminum lightweight flywheel shell which comprises a shell, heat dissipation holes and a starting gear, wherein a motor seat is fixedly connected to one side of the shell, a sensor hole site is formed in one side of the shell, and six groups of first bolt holes are fixedly connected to the surface of the shell. The utility model has the advantages that the radiating holes which are arranged upwards are arranged, the problem that the flywheel and the clutch are rusted due to water inflow after a vehicle runs in wading is avoided, meanwhile, the filtering net is arranged on the radiating holes, and foreign matters are prevented from entering the inner part of the flywheel shell.

Description

Iron-to-aluminum lightweight flywheel casing

Technical Field

The utility model relates to the technical field of lightweight flywheel housings, in particular to an iron-to-aluminum lightweight flywheel housing.

Background

The flywheel housing is generally made of iron casting and is not easy to deform. The transmission bears the weight of the transmission, plays a role of a power transmission fulcrum, and inevitably generates crack loss due to the influence of factors such as gravity, external force, irregular vibration and the like in the using process. The part of the flywheel casing which is usually cracked is mostly arranged at the upper part, namely, the part starts from a stud hole on a bearing hole of the starter at the left side and ends at a right-time inspection hole at the right side, and is in a curve crack; there are also plane weaknesses, such as the contact surface between the cylinder block and the transmission housing.

The design of current flywheel shell for flywheel dish and clutch assembly are together fixed, when changing the clutch, need pull down together with the flywheel dish, carry out the aggregate erection again, and consequently when extravagant maintenance man-hour relatively, and the louvre majority of traditional flywheel shell all sets up at the lower extreme, makes the vehicle after wading, can cause flywheel dish and clutch to intake, and takes place rusty condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an iron-to-aluminum light flywheel casing, which solves the problems that in the existing flywheel casing design, a flywheel disc and a clutch assembly are fixed together, and the flywheel disc need to be detached together and then assembled and installed when a clutch is replaced, so that maintenance man-hours are wasted, and most of heat dissipation holes of the traditional flywheel casing are arranged at the lower end, so that the flywheel disc and the clutch can be caused to enter water after a vehicle wades, and the condition of rusting is caused.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an iron changes aluminium lightweight bell housing, includes casing, louvre and starting gear, casing one side fixedly connected with motor seat, the sensor hole site has been seted up to casing one side, six first bolt holes of group of shell surface fixedly connected with, eight second bolt holes of group have been seted up at casing inside and outside wall edge, a plurality of strengthening ribs of group have been seted up to the casing internal surface, the shaft hole has been seted up at the casing middle part, the louvre has been seted up to the casing upper end, the seal groove has been seted up to casing inner and outer wall border department, spacing hole has been seted up at the inside terminal surface middle part of motor seat, rotate in the shaft hole and be connected with the pivot, pivot one end fixedly connected with starting gear.

As a still further scheme of the utility model: a channel is formed in the outer wall of the shell, and the shell is communicated with the motor seat through the channel.

As a still further scheme of the utility model: the heat dissipation holes are fixedly connected with filter screens, and the filter screens are fixedly connected with the heat dissipation holes through buckles.

As a still further scheme of the utility model: the starting gear is provided with an inner hole in the middle, an inner hole is formed in the middle of the rotating shaft, and the radius of the inner hole of the starting gear is the same as that of the inner hole of the rotating shaft.

As a still further scheme of the utility model: the inner wall of the rotating shaft is provided with a first spline, the outer wall of one end of the rotating shaft is provided with a second spline, and the first spline penetrates through the end faces of two sides of the rotating shaft.

As a still further scheme of the utility model: the rotating shaft is connected with the shaft hole through a rolling bearing.

As a still further scheme of the utility model: the middle part of the rotating shaft is provided with a clamping groove, and the outside of the clamping groove is connected with a clamping ring in a matching manner.

As a still further scheme of the utility model: the limiting hole extends into the end face of the inner part of the motor seat, and the limiting hole does not penetrate through the end face of the inner wall of the motor seat.

As a still further scheme of the utility model: the seal groove is an annular double-channel groove, and reinforcing ribs are arranged on two sides of the inner surface of the shell.

The utility model also provides a production process of the iron-to-aluminum lightweight flywheel shell, which comprises the following specific steps:

the method comprises the following steps: firstly, manufacturing a corresponding mold for a flywheel shell produced according to needs, using the mold to plasticize casting soil, pouring smelted molten aluminum into the mold, taking down the mold after the molten aluminum is solidified, cleaning the casting soil to obtain a blank of a shell, preliminarily molding the shell, a shaft hole, a motor seat, a reinforcing rib, a first bolt hole, a sealing groove, a sensor hole, a heat dissipation hole and a channel, and polishing burrs left after casting by using a polisher to be smooth;

step two: clamping the polished shell on a special tool, drilling holes according to the technical soil requirement by using a bench drill, finishing the machining of the motor seat mounting hole and the second bolt hole respectively, machining and polishing the limiting hole by using a milling cutter, machining and polishing the sensor hole by using the milling cutter, machining and polishing the shaft hole, placing the shell on a lathe, and machining and polishing the sealing groove;

step three: insert the pivot in the shaft hole, with the snap ring card again in the draw-in groove, wipe lubricating grease, during the installation, insert first spline with the spline of engine crankshaft, fix the casing on the engine through first bolt hole 4, insert the clutch on the second spline through the spline, with the clutch shell, cover at the casing terminal surface, later through the second bolt hole, with whole fixed connection on the engine.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the radiating holes which are arranged upwards, thereby avoiding the problem that the flywheel and the clutch are rusted due to water inflow after the vehicle runs in wading, and meanwhile, the radiating holes are provided with the filter screens, thereby preventing foreign matters from entering the inner part of the flywheel shell.

2. The utility model is provided with the limiting hole, and the rotating shaft is inserted into the limiting hole after the motor is started, so that the motor bearing is prevented from shattering due to the swing generated at the moment when the motor gear is meshed with the starting gear when the motor is started.

3. The flywheel disc provided by the utility model can independently install the flywheel and the clutch, so that the flywheel disc does not need to be disassembled when the clutch is replaced, and the maintenance process and the maintenance working hour are reduced.

Drawings

FIG. 1 is a schematic structural view of an iron-to-aluminum lightweight flywheel housing and a production process thereof;

FIG. 2 is a schematic reverse structure diagram of an iron-to-aluminum lightweight flywheel casing and a production process thereof;

FIG. 3 is a detailed structural schematic diagram of an iron-to-aluminum lightweight flywheel casing and a production process thereof;

FIG. 4 is a detailed structural schematic diagram of an iron-to-aluminum lightweight flywheel casing and a production process thereof;

FIG. 5 is a schematic view of a lightweight flywheel housing made of iron and aluminum and a starting gear of a production process thereof;

FIG. 6 is a schematic view of a lightweight flywheel housing made of iron and aluminum, and a structure of a clamping groove and a clamping ring of a production process of the lightweight flywheel housing.

In the figure: 1. a housing; 2. a motor base; 3. a sensor aperture; 4. a first bolt hole; 5. a second bolt hole; 6. reinforcing ribs; 7. a shaft hole; 8. heat dissipation holes; 9. filtering with a screen; 10. a sealing groove; 11. a limiting hole; 12. a rotating shaft; 13. starting a gear; 14. a first spline; 15. a second spline; 16. a card slot; 17. a snap ring; 18. a channel.

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.

Example (b): referring to fig. 1-6, in the embodiment of the present invention, an iron-to-aluminum lightweight flywheel casing includes a casing 1, heat dissipation holes 8, and a starting gear 13, a motor base 2 is fixedly connected to one side of the casing 1, a sensor hole site 3 is formed on one side of the casing 1, six sets of first bolt holes 4 are fixedly connected to a surface of the casing 1, eight sets of second bolt holes 5 are formed in an edge of an inner wall and an outer wall of the casing 1, a plurality of sets of reinforcing ribs 6 are formed on an inner surface of the casing 1, a shaft hole 7 is formed in a middle portion of the casing 1, the heat dissipation holes 8 are formed in an upper end of the casing 1, a sealing groove 10 is formed in an edge of the inner wall and the outer wall of the casing 1, a limiting hole 11 is formed in a middle portion of an inner end surface of the motor base 2, a rotating shaft 12 is rotatably connected in the shaft hole 7, and one end of the rotating shaft 12 is fixedly connected to the starting gear 13.

As a still further scheme of the utility model: the outer wall of the shell 1 is provided with a channel 18, the shell 1 is communicated with the motor base 2 through the channel 18, the outer wall of the shell 1 is provided with the channel 18, and the shell 1 is communicated with the motor base 2 through the channel 18.

As a still further scheme of the utility model: an inner hole is formed in the middle of the starting gear 13, an inner hole is formed in the middle of the rotating shaft 12, the radius of the inner hole of the starting gear 13 is the same as that of the inner hole of the rotating shaft 12, a first spline 14 is formed in the inner wall of the rotating shaft 12, a second spline 15 is formed in the outer wall of one end of the rotating shaft 12, and the first splines 14 penetrate through the end faces of the two sides of the rotating shaft 12.

As a still further scheme of the utility model: be connected through antifriction bearing between pivot 12 and the shaft hole 7, draw-in groove 16 has been seted up at pivot 12 middle part, and draw-in groove 16 external fit is connected with snap ring 17, and in spacing hole 11 extended to the inside terminal surface of motor seat 2, spacing hole 11 did not run through 2 inner wall terminal surfaces of motor seat, and seal groove 10 is annular double groove, and strengthening rib 6 has all been seted up to 1 internal surface both sides of casing.

A production process of an iron-to-aluminum lightweight flywheel shell comprises the following specific steps:

the method comprises the following steps: at first, the mould that corresponds with it is made to the bell housing of production as required, utilize the mould after with casting soil plasticity, the aluminium water that will smelt is poured into the mould, treat after the aluminium water solidifies, take off the mould, will cast soil clean up, obtain the stock of a casing 1, make casing 1, shaft hole 7, motor seat 2, strengthening rib 6, first bolt hole 4, seal groove 10, sensor hole 3, louvre 8 and 18 primary molding of passageway, the deckle edge that will leave after casting, utilize the polisher to polish smoothly.

Step two: the polished shell 1 is clamped on a special tool, a bench drill is used for drilling according to the technical soil requirement, the mounting hole of the motor seat 2 and the second bolt hole 5 are processed and finished respectively, the limiting hole 11 is processed and polished by a milling cutter, the sensor hole 3 is processed and polished by the milling cutter, the shaft hole 7 is processed and polished, the shell 1 is placed on a lathe, and the sealing groove 10 is processed and polished.

Step three: the rotating shaft 12 is inserted into the shaft hole 7, the snap ring 17 is clamped in the clamping groove 16, lubricating grease is smeared, during installation, the spline of the crankshaft of the engine is inserted into the first spline 14, the shell 1 is fixed on the engine through the first bolt hole 4, the clutch is inserted onto the second spline 15 through the spline, the clutch shell is covered on the end face of the shell 1, and then the whole is fixedly connected onto the engine through the second bolt hole 5.

The production principle is as follows: the flywheel housing produced according to the requirement is manufactured with a corresponding mould, after casting soil is plasticized by the mould, smelted molten aluminum is poured into the mould, after the molten aluminum is solidified, the mould is taken down, the casting soil is cleaned to obtain a blank of the shell 1, so that the shell 1, a shaft hole 7, a motor seat 2, a reinforcing rib 6, a first bolt hole 4, a sealing groove 10, a sensor hole 3, a radiating hole 8 and a channel 18 are preliminarily formed, burrs left after casting are polished smoothly by a polisher, the polished shell 1 is clamped on a special tool, a bench drill is used for drilling according to the technological soil requirements, a mounting hole of the motor seat 2 and a mounting hole of a second bolt hole 5 are respectively processed and finished, a limiting hole 11 is processed and polished by a milling cutter, the sensor hole 3 is processed and polished by the milling cutter, the shaft hole 7 is processed and polished, the shell 1 is placed on a lathe, the sealing groove 10 is machined and polished, the rotating shaft 12 is inserted into the shaft hole 7, the clamping ring 17 is clamped in the clamping groove 16, lubricating grease is smeared, during installation, the spline of the crankshaft of the engine is inserted into the first spline 14, the shell 1 is fixed on the engine through the first bolt hole 4, the clutch is inserted onto the second spline 15 through the spline, the shell cover of the clutch is arranged on the end face of the shell 1, and then the whole fixed connection is achieved on the engine through the second bolt hole 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 iron-to-aluminum light flywheel casing comprises a casing (1), heat dissipation holes (8) and a starting gear (13), and is characterized in that a motor seat (2) is fixedly connected to one side of the casing (1), a sensor hole site (3) is formed in one side of the casing (1), six groups of first bolt holes (4) are fixedly connected to the surface of the casing (1), eight groups of second bolt holes (5) are formed in the edge of the inner wall and the outer wall of the casing (1), a plurality of groups of reinforcing ribs (6) are formed in the inner surface of the casing (1), a shaft hole (7) is formed in the middle of the casing (1), the heat dissipation holes (8) are formed in the upper end of the casing (1), sealing grooves (10) are formed in the edge of the inner wall and the outer wall of the casing (1), a limiting hole (11) is formed in the middle of the inner end face of the motor seat (2), and a rotating shaft (12) is rotatably connected in the shaft hole (7), one end of the rotating shaft (12) is fixedly connected with a starting gear (13).

2. The iron-to-aluminum lightweight flywheel casing as claimed in claim 1, wherein a channel (18) is formed in an outer wall of the casing (1), and the casing (1) is communicated with the motor base (2) through the channel (18).

3. The iron-to-aluminum lightweight flywheel casing as claimed in claim 1, wherein a channel (18) is formed in an outer wall of the casing (1), and the casing (1) is communicated with the motor base (2) through the channel (18).

4. The iron-to-aluminum lightweight flywheel casing as claimed in claim 1, wherein an inner hole is formed in the middle of the starting gear (13), an inner hole is formed in the middle of the rotating shaft (12), and the radius of the inner hole of the starting gear (13) is the same as that of the inner hole of the rotating shaft (12).

5. The iron-to-aluminum lightweight flywheel casing as claimed in claim 1, wherein a first spline (14) is formed on an inner wall of the rotating shaft (12), a second spline (15) is formed on an outer wall of one end of the rotating shaft (12), and the first spline (14) penetrates through end faces of two sides of the rotating shaft (12).

6. The iron-to-aluminum lightweight flywheel housing as claimed in claim 1, wherein the rotating shaft (12) is connected with the shaft hole (7) through a rolling bearing.

7. The iron-to-aluminum lightweight flywheel casing as claimed in claim 1, wherein a clamping groove (16) is formed in the middle of the rotating shaft (12), and a snap ring (17) is connected to the outside of the clamping groove (16) in a matching manner.

8. The iron-to-aluminum lightweight flywheel housing as claimed in claim 1, wherein the limiting hole (11) extends into the end face of the inner wall of the motor seat (2), and the limiting hole (11) does not penetrate through the end face of the inner wall of the motor seat (2).

9. The light-weight iron-to-aluminum flywheel casing as claimed in claim 1, wherein the sealing groove (10) is an annular double groove, and reinforcing ribs (6) are formed on both sides of the inner surface of the casing (1).