CN203962846U - For vibration insulating system and the corresponding flexible axle layout of flexible axle - Google Patents
For vibration insulating system and the corresponding flexible axle layout of flexible axle Download PDFInfo
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- CN203962846U CN203962846U CN201420160834.4U CN201420160834U CN203962846U CN 203962846 U CN203962846 U CN 203962846U CN 201420160834 U CN201420160834 U CN 201420160834U CN 203962846 U CN203962846 U CN 203962846U
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- vibration
- mandrel
- insulating system
- elastic suspension
- flexible axle
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Abstract
The utility model discloses a kind of vibration insulating system of the flexible axle for applicable transmitting thrust and/or pulling force, wherein, described flexible axle comprises mandrel and is sleeved on the oversheath on mandrel, the first end of described mandrel be connected to as the first vibration source by operating element, second end contrary with first end of described mandrel is connected to operating element, and the flexible shaft bracket that described oversheath is used as the second vibration source supports; And described vibration insulating system at least comprises the first and second elastic suspensions, described the first elastic suspension is arranged on the first end of mandrel and by between operating element, to completely cut off from being transmitted to the vibration of the first end of mandrel by operating element, described the second elastic suspension is arranged between oversheath and flexible shaft bracket, to completely cut off the vibration transmission from flexible shaft bracket to oversheath.The invention also discloses a kind of corresponding flexible axle layout.Vibration insulating system of the present utility model can be decayed reliably through the vibration of the mandrel of flexible axle and oversheath transmission, avoids the generation of noise.
Description
Technical field
The utility model relates to a kind of vibration insulating system and a kind of corresponding flexible axle layout of the flexible axle for applicable transmitting thrust and/or pulling force.
Background technique
The shift control that existing market is got on the car mainly contains stiff rod and these two kinds of modes of flexible axle.But along with in daily life universal of automobile, automotive industry competition in current various countries is very fierce, the cycle that each automobile factory vehicle updates is shorter and shorter, adopts flexible shaft manipulation can meet well these day by day harsh requirements.Flexible axle, due to the flexibility of self, makes in layout, can effectively avoid interfering with other system, and its arrangement convenience in addition needs the part of design few.That is to say, than stiff rod maneuverability pattern, flexible shaft manipulation mode adaptability is stronger, more easily arranges, these all make flexible axle application more and more extensive.
Conventionally, the two ends of handling gear-shifting flexible shaft are connected with gear shift arm and gear shift control device by corresponding jointing respectively, thereby, can the action of gear shift control device be delivered to gear shift arm by this manipulation gear-shifting flexible shaft, to realize the gear-change operation to automobile.Handling gear-shifting flexible shaft comprises inner mandrel and is sleeved on the oversheath on mandrel.
In addition,, in order to support reliably and to keep handling gear-shifting flexible shaft, it also needs to be fixed on the shell of gearbox by fixed support conventionally.In some cases, as required, also may be provided with other fixed supports on the way and support and keep handling gear-shifting flexible shaft handling gear-shifting flexible shaft.
But, these connection parts are generally and are rigidly connected at present, therefore, in the course of the work, vibration and noise that the machinery of the parts such as speed changer and/or hydraulic pressure (fluid flows) part produces can be delivered to manipulation gear-shifting flexible shaft, are finally delivered to the gear shift control device end in operator cabin by flexible axle mandrel and oversheath, and driver and passenger are displeased, cause client's complaint, this can reduce vehicle in client's quality in the heart.
For this reason, need to effectively completely cut off vibration transmission from vibration source to flexible axle and the vibration transmission from flexible axle to gear shift control device.Regrettably, up to the present also not searching out a kind of technical measures reliably effectively suppresses vibration transmission and reduces noise.
Model utility content
The purpose of this utility model is to provide a kind of vibration insulating system and a kind of flexible axle layout with vibration-damping function accordingly of the flexible axle for applicable transmitting thrust and/or pulling force.
According to first aspect of the present utility model, a kind of vibration insulating system of the flexible axle for applicable transmitting thrust and/or pulling force is provided, wherein, described flexible axle comprises mandrel and is sleeved on the oversheath on mandrel, the first end of described mandrel be connected to as the first vibration source by operating element, second end contrary with first end of described mandrel is connected to operating element, and the flexible shaft bracket that described oversheath is used as the second vibration source supports; And described vibration insulating system at least comprises the first and second elastic suspensions, described the first elastic suspension is arranged on the first end of mandrel and by between operating element, to completely cut off from being transmitted to the vibration of the first end of mandrel by operating element, described the second elastic suspension is arranged between oversheath and flexible shaft bracket, to completely cut off the vibration transmission from flexible shaft bracket to oversheath.
Preferably, described oversheath is also supported by additional flexible shaft bracket, described additional flexible shaft bracket and described operating element vibration coupling, described vibration insulating system also comprises the 3rd elastic suspension, described the 3rd elastic suspension is arranged between described oversheath and described additional flexible shaft bracket, to completely cut off the vibration transmission from described oversheath to described additional flexible shaft bracket.
Preferably, described vibration insulating system also comprises the 4th elastic suspension, and described the 4th elastic suspension is arranged between second end and described operating element of described mandrel, to completely cut off the vibration transmission from the second end of described mandrel to described operating element.
Preferably, first, second, third and/or the 4th elastic suspension on thrust direction and direction of pull, all there is damping effect.
Preferably, described flexible axle is the manipulation gear-shifting flexible shaft of automobile, and described is the gearbox gear-shift arm of automobile by operating element, and described operating element is gear shift control device.
Preferably, described flexible axle is clutch flexible axle, throttle flexible axle or the brake soft shaft of automobile.
Preferably, first, second, third and/or the 4th elastic suspension made by elastic material at least partly, and first, second, third and/or the required damping behavior of the 4th elastic suspension be designed to energy minimization and be finally delivered to the vibration of operating element.
Preferably, described damping behavior is by the structural change of material property and/or shape and/or the corresponding elastic suspension of elastic material.
Preferably, described first, second, third and/or the 4th elastic suspension consistent with the damping effect on direction of pull in thrust direction.
According to second aspect of the present utility model, a kind of flexible axle layout is provided, wherein, described flexible axle layout comprises described vibration insulating system.
Vibration insulating system of the present utility model has considered the vibration through the mandrel of flexible axle and oversheath transmission, thereby can decay reliably the vibration of transmitting through flexible axle, avoids the generation of noise.
Brief description of the drawings
By describing in more detail the utility model referring to accompanying drawing, can understand better basic principle of the present utility model, feature and advantage below.Accompanying drawing comprises:
Fig. 1 show according to an exemplary embodiment of the present utility model for handling the schematic diagram of vibration insulating system of gear-shifting flexible shaft.
Fig. 2 illustrates in greater detail the principle schematic of the vibration insulating system of Fig. 1.
Embodiment
, will specific embodiment of the utility model be described in more detail referring to accompanying drawing below, to understand better basic thought of the present utility model and principle.
Fig. 1 show according to an exemplary embodiment of the present utility model for handling the schematic diagram of vibration insulating system 1 of gear-shifting flexible shaft.This manipulation gear-shifting flexible shaft is pushing-pulling flexible shaft 2.
Pushing-pulling flexible shaft 2 is handled control required thrust and pulling force for transmitting car gear shifting, and comprises mandrel 3 and be sleeved on the oversheath 4 on mandrel 3.Mandrel 3 is made up of wire rope conventionally.When work, mandrel 3 can be with respect to oversheath 4 in the interior movement of oversheath 4.
As shown in Figure 1, vibration insulating system 1 from left to right comprises four elastic suspensions 5,6,7 and 8 successively, gas wherein, the first elastic suspension 5 is connected on the first end 31 of mandrel 3, the second elastic suspension 6 and the first elastic suspension 5 are connected on pushing-pulling flexible shaft 2 at interval, the 3rd elastic suspension 7 and the second elastic suspension 6 are connected on pushing-pulling flexible shaft 2 at interval, and the 4th elastic suspension 8 and the 3rd elastic suspension 7 are connected on the second end 32 of mandrel 3 at interval.
It is pointed out that four elastic suspensions shown in Fig. 1 are basic principle figure, for the sake of clarity, have illustrated their more detailed principle schematic in Fig. 2.
As illustrated in fig. 1 and 2, the first elastic suspension 5 comprises two parts: first component 51 and second component 52, and wherein, first component 51 is connected with the first end 31 of mandrel 3, and second component 52 is connected with the first vibration source parts 9, for example gearbox gear-shift arm.It is pointed out that Fig. 2 only shows to principle first component 51 and second component 52 is drum, the external diameter of second component 52 is less than the internal diameter of first component 51.Between first component 51 and second component 52, only show elastic damping element to principle, wherein, the corresponding thrust direction of the first elasticity coefficient K1 and the first damping characteristic C1, the second elasticity coefficient K1 ' and the corresponding direction of pull of the second damping characteristic C1 '., comprise the elastic damping characteristic of damping behavior and the direction of pull of thrust direction at this damping behavior of elastic damping element.According to an embodiment, also can provide respectively corresponding elastic damping element for thrust direction and direction of pull.Certainly, also elastic damping element can be constructed to be permeable to carry out simultaneously the vibration damping of thrust direction and direction of pull.For a person skilled in the art, the concrete make of the true form of first component 51 and second component 52 and Placement and elastic suspension can and need to design according to concrete application, and for example first component 51, second component 52 and elastic damping element can be the structures of one.
If only transmit pulling force, can only provide the elastic damping element that is applicable to direction of pull.Similarly, if transmitting thrust only can only provide the elastic damping element that is applicable to thrust direction.
According to the concrete application requirements of vibration insulating system, thrust direction can be consistent with the damping behavior on direction of pull.
As illustrated in fig. 1 and 2, the second elastic suspension 6 also comprises two parts: first component 61 and second component 62, wherein, first component 61 is connected with the oversheath 4 of flexible axle 2, and the flexible shaft bracket that second component 62 with the second vibration source parts 10, for example may be arranged on gear box casing is connected.Similarly, between first component 61 and second component 62, be also only to show to principle elastic damping element, wherein, the corresponding thrust direction of the 3rd elasticity coefficient K2 and the 3rd damping characteristic C2, the 4th elasticity coefficient K2 ' and the corresponding direction of pull of the 4th damping characteristic C2 '., the damping behavior of this elastic damping element also comprises the damping behavior of thrust direction and the damping behavior of direction of pull.Also can provide respectively corresponding elastic damping element for thrust direction and direction of pull.Certainly, also elastic damping element can be constructed to be permeable to carry out simultaneously the vibration damping of thrust direction and direction of pull.For a person skilled in the art, the concrete make of the true form of first component 61 and second component 62 and Placement and elastic suspension can and need to design according to concrete application, and for example first component 61, second component 62 and elastic damping element can be the structures of one.
As mentioned above, the first elastic suspension 5 has completely cut off the vibration transmission of the mandrel 3 from the first vibration source parts 9 to flexible axle 2, and the second elastic suspension 6 has completely cut off the vibration transmission of the oversheath 4 from the second vibration source parts 10 to flexible axle 2.
In reality, be provided with the flexible shaft bracket 11 for supporting and keep handling gear-shifting flexible shaft at the 3rd elastic suspension 7 places toward contact, this flexible shaft bracket 11 is arranged on gearshift housing conventionally, therefore, the vibration of this flexible shaft bracket 11 also can cause the vibration (noise) of the gear shift control device in operator cabin.In this case, in order to decay further from the oversheath 4 of flexible axle 2 to the vibration transmission of gearshift housing that flexible shaft bracket 11 is installed, be provided with herein the 3rd elastic suspension 7.As illustrated in fig. 1 and 2, for the 3rd elastic suspension 7, the five elasticity coefficient K3 and the corresponding thrust direction of the 5th damping characteristic C3, the 6th elasticity coefficient K3 ' and the corresponding direction of pull of the 6th damping characteristic C3 '.Due to the 3rd elastic suspension 7 and the second elastic suspension 6 similar, therefore do not repeat them here.
Conventionally, gear shift control device 12 is connected with the second end 32 of mandrel 3, for the vibration transmission decaying further from the second end 32 of mandrel 3 to gear shift control device 12, between the second end 32 of mandrel 3 and gear shift control device 12, the 4th elastic suspension 8 is set.As illustrated in fig. 1 and 2, for the 4th elastic suspension 8, the seven elasticity coefficient K4 and the corresponding thrust direction of the 7th damping characteristic C4, the 8th elasticity coefficient K4 ' and the corresponding direction of pull of the 8th damping characteristic C4 '.Due to the 4th elastic suspension 8 and the first elastic suspension 5 similar, therefore also repeat no more at this.
As seen from the above description, the second elastic suspension 6 and the 3rd elastic suspension 7 form the vibration damping assembly of flexible axle oversheath, the thrust direction characteristic of this vibration damping assembly is elasticity K2+K3, damping C2+C3, and direction of pull characteristic is elasticity K2 '+K3 ', damping C2 '+C3 '.
The first elastic suspension 5 and the 4th elastic suspension 8 form the vibration damping assembly of flexible axle mandrel, and the thrust direction characteristic of this vibration damping assembly is elasticity K1+K4, damping C1+C4, and direction of pull characteristic is elasticity K1 '+K4 ', damping C1 '+C4 '.
As mentioned above, because having completely cut off the vibration transmission of the mandrel 3 from gearbox gear-shift arm to flexible axle 2 and the second elastic suspension 6 substantially, the first elastic suspension 5 substantially completely cuts off from being arranged on the vibration transmission to the oversheath 4 of flexible axle 2 of flexible shaft bracket gear box casing, and the vibration of these two parts is the topmost factors that cause that flexible axle 2 vibrates, therefore, as long as the damping behavior of reasonable design the first elastic suspension 5 and the second elastic suspension 6, only use the first elastic suspension 5 and the second elastic suspension 6 just can reduce widely the vibration and the noise that are finally delivered to gear shift control device 12.From this meaning, the 3rd elastic suspension 7 and the 4th elastic suspension 8 are after the first elastic suspension 5 and the second elastic suspension 6 decay, there is no the complete vibration of complete attenuation and noise for further decaying.
Elastic damping element can pass through elastic material, for example rubber forms, and by selecting the shape of suitable elastic material and/or design flexibility damping element, can make each elastic suspension have the damping behavior of expectation.
According to the utility model, a vibration insulating system of the common formation of these elastic suspensions, can carry out comprehensive Design to these elastic suspensions according to actual Vibration Condition, to obtaining best effectiveness in vibration suppression.
Although describe basic thought of the present utility model and principle in detail as an example of the manipulation gear-shifting flexible shaft as pushing-pulling flexible shaft example above, but for a person skilled in the art, this vibration insulating system obviously also can be applied to and push away flexible axle and draw flexible axle, for example, can be applied to clutch flexible axle, throttle flexible axle or brake soft shaft.In this case, each elastic suspension only needs to have the damping behavior on corresponding thrust direction or direction of pull.
According to concrete application, flexible axle may have more vibration sources.In this case, can all provide an elastic suspension for each vibration source.Therefore, the quantity of elastic suspension is different and different according to concrete application.
For a person skilled in the art, other advantages of the present utility model and substituting mode of execution are apparent.Therefore, the utility model with regard to its more wide in range meaning, be not limited to shown in and described detail, representative configurations and exemplary embodiment.On the contrary, those skilled in the art can carry out various amendments and substitute in the situation that not departing from essence spirit of the present utility model and scope.
Claims (10)
1. for being applicable to the vibration insulating system of flexible axle for transmitting thrust and/or pulling force, wherein,
Described flexible axle comprises mandrel and is sleeved on the oversheath on mandrel, the first end of described mandrel be connected to as the first vibration source by operating element, second end contrary with first end of described mandrel is connected to operating element, and the flexible shaft bracket that described oversheath is used as the second vibration source supports; And
Described vibration insulating system at least comprises the first and second elastic suspensions, described the first elastic suspension is arranged on the first end of mandrel and by between operating element, to completely cut off from being transmitted to the vibration of the first end of mandrel by operating element, described the second elastic suspension is arranged between oversheath and flexible shaft bracket, to completely cut off the vibration transmission from flexible shaft bracket to oversheath.
2. vibration insulating system as claimed in claim 1, is characterized in that,
Described oversheath is also supported by additional flexible shaft bracket, described additional flexible shaft bracket and described operating element vibration coupling, described vibration insulating system also comprises the 3rd elastic suspension, described the 3rd elastic suspension is arranged between described oversheath and described additional flexible shaft bracket, to completely cut off the vibration transmission from described oversheath to described additional flexible shaft bracket.
3. vibration insulating system as claimed in claim 2, is characterized in that,
Described vibration insulating system also comprises the 4th elastic suspension, and described the 4th elastic suspension is arranged between second end and described operating element of described mandrel, to completely cut off the vibration transmission from the second end of described mandrel to described operating element.
4. vibration insulating system as claimed in claim 3, is characterized in that,
First, second, third and/or the 4th elastic suspension on thrust direction and direction of pull, all there is damping effect.
5. vibration insulating system as claimed in claim 1, is characterized in that,
Described flexible axle is the manipulation gear-shifting flexible shaft of automobile, and described is the gearbox gear-shift arm of automobile by operating element, and described operating element is gear shift control device.
6. vibration insulating system as claimed in claim 1, is characterized in that,
Described flexible axle is clutch flexible axle, throttle flexible axle or the brake soft shaft of automobile.
7. as the vibration insulating system as described in arbitrary in claim 3-5, it is characterized in that,
First, second, third and/or the 4th elastic suspension made by elastic material at least partly, and first, second, third and/or the required damping behavior of the 4th elastic suspension be designed to energy minimization and be finally delivered to the vibration of operating element.
8. vibration insulating system as claimed in claim 7, is characterized in that,
Described damping behavior is by the structural change of material property and/or shape and/or the corresponding elastic suspension of elastic material.
9. vibration insulating system as claimed in claim 4, is characterized in that,
Described first, second, third and/or the 4th elastic suspension consistent with the damping effect on direction of pull in thrust direction.
10. a flexible axle layout, is characterized in that, described flexible axle layout comprises arbitrary described vibration insulating system in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160834.4U CN203962846U (en) | 2014-04-03 | 2014-04-03 | For vibration insulating system and the corresponding flexible axle layout of flexible axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160834.4U CN203962846U (en) | 2014-04-03 | 2014-04-03 | For vibration insulating system and the corresponding flexible axle layout of flexible axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962846U true CN203962846U (en) | 2014-11-26 |
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ID=51923431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420160834.4U Expired - Fee Related CN203962846U (en) | 2014-04-03 | 2014-04-03 | For vibration insulating system and the corresponding flexible axle layout of flexible axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962846U (en) |
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2014
- 2014-04-03 CN CN201420160834.4U patent/CN203962846U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141126 Termination date: 20210403 |