CN210686850U - Vehicle and dual-mass flywheel thereof - Google Patents
Vehicle and dual-mass flywheel thereof Download PDFInfo
- Publication number
- CN210686850U CN210686850U CN201920882903.5U CN201920882903U CN210686850U CN 210686850 U CN210686850 U CN 210686850U CN 201920882903 U CN201920882903 U CN 201920882903U CN 210686850 U CN210686850 U CN 210686850U
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- Prior art keywords
- arc
- arc spring
- spring
- flywheel
- mass flywheel
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- 238000013016 damping Methods 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 230000009977 dual effect Effects 0.000 claims abstract description 23
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a dual mass flywheel, including elementary flywheel casing, be provided with the arc spring that is used for bearing the external shock moment of torsion in the elementary flywheel casing, the arc spring suit is in the periphery that is used for spacing damping spare to the arc spring, spacing damping spare and elementary flywheel casing fixed connection. The arc spring is shortened by the compression under the effect that receives external impact torque, the arc spring is compressed to an extreme position time, the arc spring will have the trend to the axis direction distortion of perpendicular to arc spring, and because the arc spring suit in the periphery of spacing damping piece, spacing damping piece can be with the interior peripheral contact of arc spring promptly, block arc spring distortion, and can bear the external impact torque of certain by arc spring transmission, avoided the arc spring to damage under the effect of external impact torque, the fatigue life of arc spring has been promoted, and durability. The utility model also discloses a vehicle of including above-mentioned dual mass flywheel.
Description
Technical Field
The utility model relates to the field of automotive technology, more specifically say, relate to a dual mass flywheel. Furthermore, the utility model discloses still relate to a vehicle including above-mentioned dual mass flywheel.
Background
The so-called dual mass flywheel is to divide the original flywheel into two parts: one part of the flywheel is reserved on one side of the original engine and plays the role of an original flywheel for starting and transmitting the rotation torque of the engine, and the part is called a primary flywheel assembly; and the other part is arranged on one side of the transmission system and is used for improving the rotational inertia of the transmission, and the part is called a secondary flywheel assembly.
The dual-mass flywheel is particularly matched with a hybrid dual-mass flywheel in the using process. Under certain special working conditions in the operation process, impact torque can be generated to cause the arc-shaped spring of the dual-mass flywheel to be compressed to the limit position, and the arc-shaped spring is twisted and deformed and is easy to damage.
In summary, how to avoid the damage of the arc spring under a large impact torque is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a dual mass flywheel, which can protect the arc spring from being damaged under a large impact torque.
Another object of the present invention is to provide a vehicle including the above dual mass flywheel.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a dual mass flywheel, includes elementary flywheel casing, be provided with the arc spring that is used for bearing the external impact moment of torsion in the elementary flywheel casing, the arc spring suit is in be used for right the periphery of the spacing damping piece of arc spring spacing, spacing damping piece with elementary flywheel casing fixed connection.
Preferably, a fixing piece used for fixing the limiting vibration damper is arranged in the primary flywheel shell, and the fixing piece is fixedly connected with the primary flywheel shell.
Preferably, the limiting vibration damping parts are arc-shaped cylinders with outer diameters equal to the inner diameters of the arc-shaped springs, the number of the fixing parts is two, and two ends of each arc-shaped cylinder are connected with the fixing parts respectively.
Preferably, the fixing piece includes with primary flywheel casing welded disc portion, the middle part of disc portion is provided with the portion of inserting, be provided with on the terminal surface at arc cylinder both ends with the trompil that the portion of inserting matches, the portion of inserting with the trompil passes through interference fit and is connected.
Preferably, the primary flywheel housing is internally provided with two sets of arc springs which are concentrically arranged, the two sets of arc springs are separated by a partition plate, and the fixing piece is connected with the partition plate.
Preferably, be provided with in the primary flywheel casing and be used for fixing the arc chamber of arc spring, the periphery in arc chamber is provided with the arc slide rail, be provided with in the arc slide rail a plurality of with what the periphery of arc spring was connected, can follow the slider that the arc slide rail removed.
Preferably, the arc spring is a steel compression spring.
Preferably, the limiting vibration damping piece is a rubber piece or a silica gel piece.
A vehicle comprises a body, wherein the body is provided with the dual-mass flywheel.
The utility model provides a dual mass flywheel, including elementary flywheel casing, be provided with the arc spring that is used for bearing the external impact moment of torsion in the elementary flywheel casing, the arc spring suit is in the periphery that is used for spacing damping piece to the arc spring, spacing damping piece and elementary flywheel casing fixed connection.
Wherein, the arc spring will be shortened along the axis of arc spring under the effect that receives external impact moment of torsion by the compression, because the structural constraint of arc spring, when the arc spring is compressed to a extreme position, can not continue to compress along the axis of arc spring, the arc spring will have the trend to the axis direction distortion of perpendicular to arc spring, and because the arc spring suit in the periphery of spacing damping piece, spacing damping piece can contact with the interior circumference of arc spring promptly, block arc spring distortion, and can bear the external impact moment of torsion that must be transmitted by the arc spring, avoided the arc spring to damage under the effect of external impact moment of torsion, the fatigue life of arc spring has been promoted, and durability.
The utility model also provides a vehicle of including above-mentioned dual mass flywheel that provides, the durability is good, long service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of a dual mass flywheel provided by the present invention;
fig. 2 is a side view of a dual mass flywheel provided by the present invention;
fig. 3 is a schematic structural view of the fixing member provided in the present invention;
fig. 4 is an installation schematic diagram of the arc spring provided by the present invention.
In FIGS. 1-4:
1 is a primary flywheel shell, 2 is an arc spring, 3 is a limiting vibration damper, 4 is a fixed part, 41 is a disk part, and 42 is an insertion part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a dual mass flywheel can protect the arc spring not damaged under great impact torque. The other core of the utility model is to provide a vehicle including above-mentioned dual mass flywheel.
Referring to fig. 1 to 4, fig. 1 is a front view of a dual mass flywheel provided by the present invention; fig. 2 is a side view of a dual mass flywheel provided by the present invention; fig. 3 is a schematic structural view of the fixing member provided in the present invention; fig. 4 is an installation schematic diagram of the arc spring provided by the present invention.
The utility model provides a dual mass flywheel, including elementary flywheel casing 1, be provided with the arc spring 2 that is used for bearing the external impact moment of torsion in the elementary flywheel casing 1, 2 suit in the periphery that is used for 2 spacing damping pieces 3 of arc spring, spacing damping pieces 3 and 1 fixed connection of elementary flywheel casing.
The dual-mass flywheel comprises a primary flywheel assembly used for starting and transmitting the rotating torque of an engine and a secondary flywheel assembly arranged on one side of a transmission system and used for improving the rotating inertia of the transmission, an annular oil cavity is formed between the primary flywheel assembly and the secondary flywheel assembly, and a torsional damper is arranged in the oil cavity. The torsional damper connects the primary flywheel assembly and the secondary flywheel assembly as a unit.
And elementary flywheel casing 1 is the carrier that is arranged in being primary flywheel subassembly for fixing, installation parts such as arc spring 2, generally be circular casing, conveniently place parts such as arc spring 2, arc spring 2 is for buckling to fix the spring at elementary flywheel casing 1 for the arc, arc spring 2's radian generally and elementary flywheel casing 1's peripheral size phase-match, in order to make things convenient for arc spring 2 to place in the position that is close to elementary flywheel casing 1, when receiving the external impact moment of torsion, arc spring 2 will be by compression deformation, in order to absorb the vibration energy of engine, play the damping and fall the effect of making an uproar.
It should be noted that, the arc spring 2 will be compressed and shortened along the axis of the arc spring 2 under the action of the external impact torque, because of the structural limitation of the arc spring 2, when the arc spring 2 is compressed to a limit position, the arc spring 2 cannot be compressed along the axis of the arc spring 2, the arc spring 2 will have the tendency of distortion and deformation in the direction perpendicular to the axis of the arc spring 2, and because the arc spring 2 is sleeved on the periphery of the limiting vibration damper 3, that is, the limiting vibration damper 3 can contact with the inner periphery of the arc spring 2, so as to block the distortion and deformation of the arc spring 2, and can bear the external impact torque transmitted by the arc spring 2, thereby avoiding the arc spring 2 from being damaged under the action of the external impact torque, and improving the fatigue life and durability of the arc spring 2.
In order to improve the stability of fixing the limit damper 3, in the present embodiment, a fixing member 4 for fixing the limit damper 3 is disposed in the primary flywheel housing 1, and the fixing member 4 is fixedly connected to the primary flywheel housing 1.
It can be understood that, since the arc-shaped spring 2 is sleeved on the periphery of the limit vibration damper 3, in order to avoid the interference between the fixing member 4 and the arc-shaped spring 2, the fixing member 4 is usually disposed on the primary flywheel housing 1 near two ends of the limit vibration damper 3, that is, two or more fixing members 4 are disposed, and the fixing member 4 and the primary flywheel housing 1 may be connected by bolts, positioning pins, or welding, and the like, and the present disclosure is not limited specifically herein.
On the basis of the above specific embodiment, the limiting vibration damping part 3 is an arc-shaped cylinder with the outer diameter equal to the inner diameter of the arc-shaped spring 2, the number of the fixing parts 4 is two, and two ends of the arc-shaped cylinder are respectively connected with the fixing parts 4.
It can be understood that, when arc spring 2 suit was in the cylindrical periphery of arc, because the cylindrical external diameter of arc equals arc spring 2's internal diameter, the cylindrical periphery of arc will contact with the spring wire of the inside of arc spring 2 always, in order to prevent arc spring 2 to arc cylinder place direction distortion, of course, also can the cylindrical external diameter of arc set up to slightly be less than arc spring 2's internal diameter, make things convenient for arc spring 2 to be compressed and remove, the cylindrical both ends of arc are connected with mounting 4 respectively, stability when improving arc cylinder fixed.
In one embodiment of the fixing member 4, the fixing member 4 includes a disk portion 41 welded to the primary flywheel housing 1, an insertion portion 42 is provided in a middle portion of the disk portion 41, openings matched with the insertion portion 42 are provided on end surfaces of both ends of the arc-shaped cylinder, and the insertion portion 42 is connected to the openings by interference fit.
Wherein, the external diameter of disc portion 41 generally sets up to be greater than or equal to arc spring 2's external diameter, make things convenient for arc spring 2 to offset in disc portion 41, and the middle part of disc portion 41 is provided with insertion portion 42, insertion portion 42 is used for inserting the trompil on the arc cylinder with fixed arc cylinder's part, concrete shape need be according to the trompil shape setting on the arc cylinder, can adopt shape such as cylinder, as long as can insert the trompil can not deviate from through interference fit's shape structure all can, also can adopt other connected mode between insertion portion 42 and the trompil, for example glue, mode such as locating pin, and the structural style of mounting 4 also does not confine to above-mentioned mode, as long as can fix the structural style of spacing damping piece 3 all can be applied to the utility model provides an among the.
In order to improve the damping effect of the dual-mass flywheel, in the present embodiment, two sets of concentrically arranged arc springs 2 are disposed in the primary flywheel housing 1, the two sets of arc springs 2 are separated by a partition plate, and the fixing member 4 is connected with the partition plate.
It can be understood that, two sets of arc spring 2 concentric settings can the mutual equilibrium effort that receives, and two sets of arc spring 2 separate through the division board for two sets of arc spring 2 are by the independent compression atress, can not influence each other, and mounting 4 is connected with the division board, conveniently fixes spacing damping piece 3, and of course, arc spring 2 set up quantity and not have special limitation, and the user can select according to actual conditions.
In order to facilitate the compression deformation of the arc spring 2, in the present embodiment, an arc cavity for fixing the arc spring 2 is provided in the primary flywheel housing 1, an arc slide rail is provided at the periphery of the arc cavity, and a plurality of sliders connected to the periphery of the arc spring 2 and capable of moving along the arc slide rail are provided in the arc slide rail.
It can be understood that, when primary flywheel housing 1 received external force to rotate, the slider will receive external impact moment of torsion equally, thereby remove along the arc slide rail, and the slider is connected with arc spring 2's periphery, will drive arc spring 2 compression deformation, spacing damping piece 3 is immovable, can play the effect of the removal orbit of restriction arc spring 2, the arc chamber is used for placing arc spring 2 promptly, the cavity space of parts such as slider, concrete dimension needs set up according to arc spring 2 and the shared space size of slider.
In one embodiment for the arcuate spring 2, the arcuate spring 2 is a steel compression spring.
The compression spring is a spiral spring bearing pressure, the cross section of the material used by the compression spring is mostly circular, and the compression spring is also rolled by rectangular steel ropes and stranded steel ropes, the spring is generally equidistant, and the shape of the compression spring is as follows: the compression spring is cylindrical, conical, convex and concave, and a small number of non-circular shapes, and the like, a certain gap is reserved between the rings of the compression spring, and the compression spring contracts and deforms when subjected to external load, so that deformation energy is stored.
The compression spring provides a counter force to the load pressure. The compression springs are typically wires wound at equal pitch and having a fixed wire diameter. The compression spring supplies a resisting force against the external load pressure with a plurality of open coils. That is, they push back against the external pressure. Depending on the field of application, compression springs may be used to resist pressure and/or store energy. Round wire is the most common compression spring, but there are also compression springs made of square, rectangular and specially shaped wire. The utility model discloses the steel compression spring's that adopts cross-section generally is circular, and the installation is placed conveniently, and adopts steel compression spring's fatigue life longer, can use for a long time, and structural strength is higher, and is not fragile.
In one embodiment of the damping member 3, the damping member 3 is a rubber member or a silicone member. Wherein, the rubber is a high elastic polymer material with reversible deformation, the texture of the silica gel piece is relatively soft, and will not cause abrasion damage to the arc spring 2, of course, other kinds of materials can also be adopted.
Except the above-mentioned dual mass flywheel, the utility model discloses still provide a vehicle including the dual mass flywheel that the above-mentioned embodiment disclosed, including the organism, be provided with foretell dual mass flywheel on the organism, the structure of other each parts of this vehicle please refer to prior art, and this text is no longer repeated.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above is a detailed description of the vehicle and the dual mass flywheel provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. A dual-mass flywheel is characterized by comprising a primary flywheel shell (1), wherein an arc spring (2) used for bearing external impact torque is arranged in the primary flywheel shell (1), the arc spring (2) is sleeved on the periphery of a limiting vibration damping piece (3) used for limiting the arc spring (2), and the limiting vibration damping piece (3) is fixedly connected with the primary flywheel shell (1);
the primary flywheel shell (1) is internally provided with an arc-shaped cavity used for fixing the arc-shaped spring (2), the periphery of the arc-shaped cavity is provided with an arc-shaped sliding rail, and the arc-shaped sliding rail is internally provided with a plurality of sliding blocks which are connected with the periphery of the arc-shaped spring (2) and can move along the arc-shaped sliding rail.
2. A twin mass flywheel as defined in claim 1 in which the primary flywheel housing (1) is provided with a fixing member (4) for fixing the position-limiting damping member (3), the fixing member (4) being fixedly connected to the primary flywheel housing (1).
3. A twin mass flywheel as defined in claim 2 in which said limiting damping member (3) is an arc cylinder having an outer diameter equal to the inner diameter of said arc spring (2), said fixing members (4) are two in number, and both ends of said arc cylinder are connected to said fixing members (4) respectively.
4. A dual mass flywheel according to claim 3 wherein the fixing member (4) comprises a disc portion (41) welded to the primary flywheel housing (1), an insertion portion (42) is provided in the middle of the disc portion (41), openings matching the insertion portion (42) are provided on the end faces of both ends of the arc-shaped cylinder, and the insertion portion (42) is connected to the openings by interference fit.
5. A twin mass flywheel as defined in claim 4 in which two sets of concentrically arranged arcuate springs (2) are provided within the primary flywheel housing (1), and the two sets of arcuate springs (2) are separated by a spacer plate to which the fixing elements (4) are connected.
6. A twin mass flywheel as defined in claim 5 in which the arcuate springs (2) are steel compression springs.
7. A twin mass flywheel as defined in claim 5 in which the limit damping (3) is rubber or silicone.
8. A vehicle comprising a body on which is disposed a dual mass flywheel as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882903.5U CN210686850U (en) | 2019-06-12 | 2019-06-12 | Vehicle and dual-mass flywheel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882903.5U CN210686850U (en) | 2019-06-12 | 2019-06-12 | Vehicle and dual-mass flywheel thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686850U true CN210686850U (en) | 2020-06-05 |
Family
ID=70883164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920882903.5U Expired - Fee Related CN210686850U (en) | 2019-06-12 | 2019-06-12 | Vehicle and dual-mass flywheel thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686850U (en) |
-
2019
- 2019-06-12 CN CN201920882903.5U patent/CN210686850U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |