CN111237112A - Gasoline engine driving disc - Google Patents
Gasoline engine driving disc Download PDFInfo
- Publication number
- CN111237112A CN111237112A CN202010164271.6A CN202010164271A CN111237112A CN 111237112 A CN111237112 A CN 111237112A CN 202010164271 A CN202010164271 A CN 202010164271A CN 111237112 A CN111237112 A CN 111237112A
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- China
- Prior art keywords
- mounting
- torque converter
- hole
- holes
- crankshaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a gasoline engine driving disc, which comprises a flexible plate and a flywheel gear ring fixedly sleeved on the flexible plate, wherein the flexible plate is sequentially divided into a crankshaft mounting part and a torque converter mounting part from inside to outside, and the crankshaft mounting part is provided with a central hole and a plurality of crankshaft mounting holes uniformly distributed along the same circumference; the torque converter mounting part is convexly provided with a plurality of mounting bosses which are uniformly distributed along the same circumference rightwards, each mounting boss is provided with a torque converter mounting hole, and all the torque converter mounting holes are uniformly distributed along the same circumference; wherein, the periphery of every installation boss has all seted up the destressing hole on the bent axle installation department. The torque converter mounting part is provided with a plurality of mounting bosses which are uniformly distributed along the same circumference in a rightward protruding mode, can bear the axial rigidity of a large bearing surface of the torque converter, can increase the arrangement space of the stress removing holes, further reduces the stress concentration of the flexible plate, and prolongs the service life of the driving plate.
Description
Technical Field
The invention relates to the field of driving discs, in particular to a gasoline engine driving disc.
Background
The driving disk is started by transmitting torque to the flywheel gear ring by a gear of the starter, one end of the driving disk is rigidly connected with the output end of the crankshaft, and the other end of the driving disk is rigidly connected with a hydraulic torque converter of the CVT. The driving disc bears the torque and the rotating speed of the crankshaft end and transmits the torque and the rotating speed to the hydraulic torque converter, the driving disc reduces noise and vibration by means of flexibility and flexibility of the driving disc, non-uniformity and impact are reduced, axial sliding of the crankshaft and the torque converter is offset, and the influence of normal and sudden acceleration and deceleration on a transmission system is reduced. Therefore, the driving disk bears large torque generated by the engine, is subjected to torsion and bending working conditions, is very severe in stress form, has very strict requirements on rigidity and fatigue strength, is too high in rigidity, and is easy to cause stress concentration and fatigue cracking.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a gasoline engine driving disc, so that the defects that the existing driving disc is easy to cause stress concentration and fatigue cracking are overcome.
In order to achieve the purpose, the invention provides a gasoline engine driving disc, which comprises a flexible plate and a flywheel gear ring fixedly sleeved on the flexible plate, wherein the flexible plate is sequentially divided into a crankshaft mounting part and a torque converter mounting part from inside to outside, and the crankshaft mounting part is provided with a central hole and a plurality of crankshaft mounting holes uniformly distributed along the same circumference; the torque converter mounting part is convexly provided with a plurality of mounting bosses which are uniformly distributed along the same circumference rightwards, each mounting boss is provided with a torque converter mounting hole, and all the torque converter mounting holes are uniformly distributed along the same circumference; the crankshaft mounting part is provided with stress relief holes at the periphery of each mounting boss.
Preferably, in the above technical solution, the stress relief hole includes: the first through holes are arranged in one-to-one correspondence with the mounting bosses, each first through hole is positioned between the corresponding mounting boss and the crankshaft mounting part, and all the first through holes are uniformly distributed along the same circumference; wherein, each first through hole is in an arc bent hole structure with an outward concave surface; and the second through holes are arranged between every two adjacent mounting bosses, and all the second through holes are uniformly distributed along the same circumference and surround the outer sides of all the first through holes.
Preferably, in the above technical solution, an area of the second through hole is smaller than an area of the first through hole.
Preferably, among the above-mentioned technical scheme, the right end face of crankshaft installation department for the right end face of torque converter installation department is convex right, just the convex height of crankshaft installation department right is less than the convex height of installation boss right.
Preferably, in the above technical solution, each of the mounting bosses is integrally formed with the torque converter mounting portion.
Preferably, in the above technical scheme, an annular boss is convexly provided to the right along the circumference on the edge of the torque converter mounting portion, and the inner circle of the flywheel gear ring is fixedly sleeved on the annular boss.
Preferably, in the above technical solution, the annular boss is integrally formed with the torque converter mounting portion.
Preferably, among the above-mentioned technical scheme, still include the reinforcing plate, the reinforcing plate set up in fixedly the right-hand member face of bent axle installation department, on the reinforcing plate with every the nail hole has been seted up to one on the position that the bent axle mounting hole corresponds, just the reinforcing plate with a reinforcing plate hole has been seted up on the position that the centre bore corresponds.
Preferably, in the above technical scheme, the right end face of the crankshaft mounting portion is provided with a plurality of connecting bosses which are uniformly distributed along the same circumference in a protruding manner, a connecting through hole is formed in a position, corresponding to each connecting boss, on the reinforcing plate, and each connecting boss penetrates through the corresponding connecting through hole and is upset.
Compared with the prior art, the invention has the following beneficial effects:
the flexible plate comprises a crankshaft mounting part and a torque converter mounting part, wherein the torque converter mounting part is provided with a plurality of mounting bosses which are uniformly distributed along the same circumference in a rightward protruding manner, each mounting boss is provided with a torque converter mounting hole, and all the torque converter mounting holes are uniformly distributed along the same circumference, so that the interference generated in the mounting between a torque converter and a driving plate is avoided, the axial rigidity of a large bearing surface of the torque converter can be borne, and the connection stability of the driving plate and the torque converter is improved; the convex structure of installation boss can all seted up the destressing hole in every installation boss's periphery, increases the space of arranging of destressing hole to increase the rigidity control range of flexbile plate, reduce the stress concentration of flexbile plate, thereby reduce its risk that fatigue fracture appears, improve the life of driving-disc.
Drawings
Fig. 1 is a schematic structural view of a gasoline engine driving disc according to the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1 according to the present invention.
Description of the main reference numerals:
1-torque converter mounting part, 2-flywheel gear ring, 3-mounting boss, 4-torque converter mounting hole, 5-central hole, 6-first through hole, 7-second through hole, 8-connecting through hole, 9-annular boss, 10-crankshaft mounting part, 11-crankshaft mounting hole, 12-reinforcing plate, 13-reinforcing plate hole and 14-nail passing hole.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 and 2 show a structural schematic diagram of a gasoline engine driving disc according to a preferred embodiment of the invention, which comprises a flexible plate and a flywheel gear ring 2 fixedly sleeved on the flexible plate. Referring to fig. 1 and 2, the flexible plate is sequentially divided into a crankshaft mounting portion 10 and a torque converter mounting portion 1 from inside to outside, the crankshaft mounting portion 10 is provided with a central hole 5 and a plurality of crankshaft mounting holes 11 uniformly distributed along the same circumference, and the center of the circumference surrounded by all the crankshaft mounting holes 11 intersects with the axis of the central hole 5, so as to facilitate the mounting of the crankshaft. Torque converter installation department 1 is protruding to be equipped with a plurality of along same circumference evenly distributed's installation boss 3 right, has seted up a torque converter mounting hole 4 on every installation boss 3, and all torque converter mounting holes 4 are along same circumference evenly distributed, and the installation production between torque converter and the driving-disc can be avoided to bellied installation boss 3 right is interfered, can bear the axial rigidity of the big loading end of torque converter, improves the stability that the driving-disc is connected with the torque converter. Wherein, destressing hole has all been seted up at every installation boss 3's periphery on torque converter installation portion 1, and the bellied structure of installation boss 3 promptly can all have seted up destressing hole at every installation boss 3's periphery, and the space of arranging of increase destressing hole just can increase the rigidity control range of flexure plate, reduces the stress concentration of flexure plate to reduce its risk that fatigue fracture appears, improve the life of driving-disc.
Referring to fig. 1 and 2, preferably, the stress relief hole includes a plurality of first through holes 6 and a plurality of second through holes 7, the first through holes 6 are arranged in one-to-one correspondence with the mounting bosses 3, each first through hole 6 is located between the corresponding mounting boss 3 and the crankshaft mounting portion 10, and all the first through holes 6 are uniformly distributed along the same circumference; each first through hole 6 is of an arc-shaped bent hole structure with the concave surface facing outwards, and the center line of each first through hole 6 and the circle center of the corresponding torque converter mounting hole 4 on the mounting boss 3 are located on the same straight line; the number of the second through holes 7 is the same as that of the first through holes 6, one second through hole 7 is arranged between every two adjacent mounting bosses 3, and all the second through holes 7 are uniformly distributed along the same circumference and surround the outer sides of all the first through holes 6. It is further preferred that the area of the second through holes 7 is smaller than the area of the first through holes 6, i.e. the area of a single second through hole 7 is smaller than the area of a single first through hole 6, and the sum of the areas of all second through holes 7 is also smaller than the sum of the areas of all first through holes 6. By arranging the number and size of the stress relief holes around each mounting boss 3 reasonably, the stress concentration of the flexplate is further reduced, thereby reducing the risk of fatigue cracking thereof.
Referring to fig. 2, it is preferable that the right end face of the crankshaft mounting portion 10 is projected rightward with respect to the right end face of the torque converter mounting portion 1 to facilitate mounting of the crankshaft, and the height of the rightward projection of the crankshaft mounting portion 10 is smaller than the height of the rightward projection of the mounting boss 3.
Referring to fig. 1 and 2, preferably, an annular boss 9 is convexly provided on the edge of the torque converter mounting portion 1 along the circumferential direction to the right, and the inner circle of the flywheel ring gear 2 is fixedly sleeved on the annular boss 9, so as to improve the stability of the mounting of the flywheel ring gear 2 and the flexible plate, and thus improve the stability of the integral connection of the driving disc.
Referring to fig. 1 and 2, preferably, each mounting boss 3 is integrally formed with the torque converter mounting portion 1, and the annular boss 9 is also integrally formed with the torque converter mounting portion 1, thereby improving the integrity of the flexplate. Wherein, the mounting boss 3 can be formed by punching a flexible plate to the right.
Referring to fig. 1 and 2, the driving plate preferably further includes a reinforcing plate 12, the reinforcing plate 12 is fixedly disposed on the right end surface of the crankshaft mounting portion 10, a nail passing hole 14 is formed in the reinforcing plate 12 at a position corresponding to each crankshaft mounting hole 11, and a reinforcing plate hole 13 is formed in the reinforcing plate 12 at a position corresponding to the central hole 5. The reinforcing plate 12 is provided with the nail penetration hole 14 and the reinforcing plate hole 13, and can be connected to the end of the crankshaft together with the crankshaft mounting portion 10, and is used for increasing the strength of the crankshaft mounting portion 10. Further preferably, the right end face of the crankshaft mounting portion 10 is provided with a plurality of connecting bosses which are uniformly distributed along the same circumference in a protruding manner, a connecting through hole 8 is formed in a position, corresponding to each connecting boss, on the reinforcing plate 12, and each connecting boss penetrates through the corresponding connecting through hole 8 and is upset, so that the connecting stability of the reinforcing plate 12 and the crankshaft mounting portion 10 is improved.
The torque converter mounting part 1 is provided with the plurality of mounting bosses 3 which are uniformly distributed along the same circumference in a rightward protruding mode, so that interference generated in mounting between the torque converter and the driving disc is avoided, and the connection stability of the driving disc and the torque converter is improved; the protruding structure of installation boss 3 can all seted up the destressing hole in every installation boss 3's periphery, increases the space of arranging of destressing hole to can increase the rigidity control range of flexblelate, reduce the stress concentration of flexblelate, thereby reduce its risk that fatigue fracture appears, improve the life of driving-disc.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. A gasoline engine driving disc comprises a flexible plate and a flywheel gear ring fixedly sleeved on the flexible plate, and is characterized in that the flexible plate is sequentially divided into a crankshaft mounting part and a torque converter mounting part from inside to outside, and the crankshaft mounting part is provided with a central hole and a plurality of crankshaft mounting holes uniformly distributed along the same circumference; the torque converter mounting part is convexly provided with a plurality of mounting bosses which are uniformly distributed along the same circumference rightwards, each mounting boss is provided with a torque converter mounting hole, and all the torque converter mounting holes are uniformly distributed along the same circumference; the crankshaft mounting part is provided with stress relief holes at the periphery of each mounting boss.
2. The gasoline engine drive disc of claim 1 wherein said stress relief holes comprise:
the first through holes are arranged in one-to-one correspondence with the mounting bosses, each first through hole is positioned between the corresponding mounting boss and the crankshaft mounting part, and all the first through holes are uniformly distributed along the same circumference; wherein, each first through hole is in an arc bent hole structure with an outward concave surface; and
the second through holes are arranged between every two adjacent mounting bosses, and all the second through holes are uniformly distributed along the same circumference and surround the outer sides of all the first through holes.
3. The gasoline engine drive disc of claim 2 wherein the area of said second through hole is less than the area of said first through hole.
4. The gasoline engine drive disc of claim 1 wherein the right end face of the crankshaft mounting portion is right convex relative to the right end face of the torque converter mounting portion, and the right convex height of the crankshaft mounting portion is less than the right convex height of the mounting boss.
5. The gasoline engine drive plate of claim 1 wherein each said mounting boss is integrally formed with said torque converter mounting portion.
6. The drive plate of the gasoline engine as defined in claim 1, wherein an annular boss is protruded to the right along the circumferential direction on the edge of the torque converter mounting portion, and the inner circle of the flywheel ring gear is fixedly sleeved on the annular boss.
7. The gasoline engine drive disc of claim 6 wherein said annular boss is integrally formed with said torque converter mounting portion.
8. The drive plate of the gasoline engine as defined in claim 1, further comprising a reinforcing plate fixedly disposed on the right end surface of the crankshaft mounting portion, wherein the reinforcing plate has a nail passing hole formed at a position corresponding to each of the crankshaft mounting holes, and a reinforcing plate hole formed at a position corresponding to the central hole.
9. The drive plate of a gasoline engine as defined in claim 8, wherein a plurality of connecting bosses are protruded from the right end surface of said crankshaft mounting portion, said connecting bosses being uniformly distributed along the same circumference, and a connecting through hole is formed in a position of said reinforcing plate corresponding to each of said connecting bosses, and each of said connecting bosses is passed through the corresponding connecting through hole and upset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164271.6A CN111237112A (en) | 2020-03-11 | 2020-03-11 | Gasoline engine driving disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164271.6A CN111237112A (en) | 2020-03-11 | 2020-03-11 | Gasoline engine driving disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111237112A true CN111237112A (en) | 2020-06-05 |
Family
ID=70862153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010164271.6A Pending CN111237112A (en) | 2020-03-11 | 2020-03-11 | Gasoline engine driving disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111237112A (en) |
-
2020
- 2020-03-11 CN CN202010164271.6A patent/CN111237112A/en active Pending
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