CN107965513B - Shift cable structure and vehicle - Google Patents
Shift cable structure and vehicle Download PDFInfo
- Publication number
- CN107965513B CN107965513B CN201610917085.9A CN201610917085A CN107965513B CN 107965513 B CN107965513 B CN 107965513B CN 201610917085 A CN201610917085 A CN 201610917085A CN 107965513 B CN107965513 B CN 107965513B
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- cable
- cavity
- piston head
- cavity structure
- state
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/26—Construction of guiding-sheathings or guiding-tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
- F16C1/108—Reducing or controlling of vibrations, e.g. by resilient damping of noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/24—Lubrication; Lubricating equipment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides a gear shifting inhaul cable structure and a vehicle, wherein the gear shifting inhaul cable structure comprises: a first cable part and a second cable part; the first cable part comprises a first cable and a cavity structure, the first end of the cavity structure is fixedly connected with the first cable, and the second end of the cavity structure is provided with a through hole; the second cable part comprises a second cable and a piston head, and the first end of the second cable is fixedly connected with the piston head; the piston head and the second inhaul cable are both arranged in the cavity structure, and the second end of the second inhaul cable penetrates out of the through hole; the piston head comprises a first state and a second state, wherein the first state is fixedly connected with the cavity structure in a clamping mode, and the second state freely moves in the cavity structure. The scheme can greatly reduce transmitted vibration and noise on the premise of realizing stable gear shifting; the problem of shift cable transmission vibration noise among the prior art, reduce NVH performance is solved. Simultaneously, the structure that this application provided is small and exquisite, and is pleasing to the eye, does not occupy the arrangement space, conveniently carries and durable.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a gear shifting inhaul cable structure and a vehicle.
Background
At present, the cable of shifting gears is the indispensable part of car, and its effect is that the instruction of shifting gears with the driver conveys for the gearbox to accomplish and shift gears.
However, in view of vibration noise, the shift cable is a NVH (noise, vibration and harshness) transmission path from the powertrain to the entire vehicle. Vibration and noise of the gearbox can be transmitted into a cab through the gear shifting cable, so that the driving feeling of passengers is reduced, and the overall evaluation of the automobile is influenced.
Among the prior art, mainly increase the balancing weight on the cable of shifting gears, come the control by the cable of shifting gears and the vibration noise that brings, but can not thoroughly eliminate, the damping effect is also not obvious moreover.
Disclosure of Invention
The invention aims to provide a gear shifting inhaul cable structure and a vehicle, and solves the problems that in the prior art, a gear shifting inhaul cable transmits vibration noise and NVH performance is reduced.
In order to solve the above technical problem, an embodiment of the present invention provides a shift cable structure, including:
a first cable part and a second cable part;
the first cable part comprises a first cable and a cavity structure, the first end of the cavity structure is fixedly connected with the first cable, and the second end of the cavity structure is provided with a through hole;
the second cable part comprises a second cable and a piston head, and the first end of the second cable is fixedly connected with the piston head;
the piston head and the second inhaul cable are both arranged in the cavity structure, and the second end of the second inhaul cable penetrates out of the through hole;
the piston head comprises a first state and a second state, wherein the first state is fixedly clamped with the cavity structure, and the second state freely moves in the cavity structure.
Optionally, a first limiting structure is arranged inside the cavity structure, the first limiting structure divides the inside of the cavity structure into a first cavity and a second cavity, the first cavity is communicated with the second cavity, a first cavity is arranged near the first end of the cavity structure, and a second cavity is arranged near the second end of the cavity structure;
the piston head is provided with a second limiting structure matched with the first limiting structure, and the piston head is positioned in the first cavity.
Optionally, an oil through hole is formed in the piston head; the first cavity and the second cavity are filled with oily liquid;
the oleaginous liquid may flow between the first cavity and the second cavity through the oil passage.
Optionally, an oil seal structure is arranged at the periphery of the through hole.
Optionally, the first limiting structure and the second limiting structure are both wedge-shaped structures, the tip of the first limiting structure faces the first end of the cavity structure, and the tip of the second limiting structure faces the second cable.
Optionally, an elastic member is disposed between the piston head and the second end of the cavity, and the piston head can be converted from the first state to the second state by the elastic member.
Optionally, the rigidity of the elastic member is greater than or equal to 3N/mm and less than or equal to 8.5N/mm.
Optionally, the first end of the elastic member is fixedly connected with the piston head, and the second end of the elastic member is fixedly connected with the second end of the cavity structure.
Optionally, the piston head moves in the cavity structure along a first displacement direction by a distance greater than or equal to 1mm and less than or equal to 2mm, and the first displacement direction is parallel to the displacement direction of the second cable.
The present invention also provides a vehicle comprising: the gear shifting inhaul cable structure is provided.
The technical scheme of the invention has the following beneficial effects:
in the above scheme, the gear shifting inhaul cable structure is provided with the first inhaul cable part with the first inhaul cable and the cavity structure and the second inhaul cable part with the second inhaul cable and the piston head, so that the transmitted vibration and noise can be greatly reduced on the premise of realizing stable gear shifting; the problem of shift cable transmission vibration noise among the prior art, reduce NVH performance is solved. Simultaneously, the structure that this application provided is small and exquisite, and is pleasing to the eye, does not occupy the arrangement space, conveniently carries and durable.
Drawings
FIG. 1 is a schematic structural view of a shift cable according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first cable portion according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a second cable portion according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a gear shifting cable structure aiming at the problems that the gear shifting cable transmits vibration noise and reduces NVH performance in the prior art, as shown in figures 1 to 3, the gear shifting cable structure comprises:
a first cable part 1 and a second cable part 2;
the first cable part 1 comprises a first cable 3 and a cavity structure 4, a first end of the cavity structure 4 is fixedly connected with the first cable 3, and a second end of the cavity structure 4 is provided with a through hole 5;
the second cable part 2 comprises a second cable 6 and a piston head 7, and the first end of the second cable 6 is fixedly connected with the piston head 7;
the piston head 7 and the second stay cable 6 are both arranged in the cavity structure 4, and the second end of the second stay cable 6 penetrates out of the through hole 5;
the piston head 7 comprises a first state of being fixedly connected with the cavity structure 4 in a clamping mode and a second state of freely moving in the cavity structure 4.
Wherein, the cavity structure can be a hollow steel thin-wall pipe.
According to the gear shifting inhaul cable structure provided by the first embodiment of the invention, the first inhaul cable part with the first inhaul cable and the cavity structure and the second inhaul cable part with the second inhaul cable and the piston head are arranged, so that the transmitted vibration and noise can be greatly reduced on the premise of realizing stable gear shifting; the problem of shift cable transmission vibration noise among the prior art, reduce NVH performance is solved. Simultaneously, the structure that this application provided is small and exquisite, and is pleasing to the eye, does not occupy the arrangement space, conveniently carries and durable.
In order to ensure the accuracy of gear shifting through a cable, as shown in fig. 1 to 3, in this embodiment, a first limiting structure 8 is disposed inside the cavity structure 4, the first limiting structure 8 divides the inside of the cavity structure 4 into a first cavity 9 and a second cavity 10, the first cavity 9 is communicated with the second cavity 10, the first cavity 9 is located near the first end of the cavity structure 4, and the second cavity 10 is located near the second end of the cavity structure 4; the piston head 7 is provided with a second limiting structure 11 matched with the first limiting structure 8, and the piston head 7 is positioned in the first cavity 9.
In order to prolong the service life of the gear shifting cable structure and ensure that the distance between the first cable and the second cable is a fixed value, as shown in fig. 1 and 3, in the embodiment, an oil through hole 12 is formed in the piston head 7; the first cavity 9 and the second cavity 10 are both filled with oily liquid (having a damping effect); the oleaginous liquid may flow between the first cavity 9 and the second cavity 10 through the oil passage 12.
Among them, the oily liquid is preferably engine oil. The oil through holes 12 are preferably evenly distributed on the piston head 7. The number of the oil passing holes 12 is preferably 4.
Further, in order to ensure that the filled oily liquid does not flow out, as shown in fig. 1 and 2, in this embodiment, an oil seal structure 13 is disposed at a peripheral position of the through hole 5. The oil seal 13 may preferably be a rubber ring.
In order to ensure that the process is simple and easy to implement, in this embodiment, as shown in fig. 1 to fig. 3, the first limiting structure 8 and the second limiting structure 11 are both wedge-shaped structures, a tip of the first limiting structure 8 faces the first end of the cavity structure 4, and a tip of the second limiting structure 11 faces the second cable 6.
The tip of the second limiting structure 11 faces the second cable 6, that is, the tip faces the end face of the piston head 7 connected with the second cable 6, and faces the second end of the cavity structure 4.
The wedge-shaped structure is herein understood to be a ramp structure.
In order to facilitate the recovery of the second cable after the second cable is not stressed, in this embodiment, as shown in fig. 1 and 3, a resilient member 14 is disposed between the piston head 7 and the second end of the cavity structure 4, and the piston head 7 can be changed from the first state to the second state by the resilient member 14. The resilient member may preferably be a spring.
Wherein the rigidity of the elastic member is preferably greater than or equal to 3N/mm and less than or equal to 8.5N/mm.
In order to ensure that the elastic member can assist the second cable to return to the original position accurately, in this embodiment, as shown in fig. 1 and 3, a first end of the elastic member 14 is fixedly connected to the piston head 7, and a second end is fixedly connected to the second end of the cavity structure 4.
In consideration of practical application, it is preferable that the piston head 7 moves within the cavity structure 4 by a distance greater than or equal to 1mm and less than or equal to 2mm in a first displacement direction parallel to the displacement direction of the second cable 6, as shown in fig. 1.
The shift cable structure provided by the embodiment of the invention is further explained below.
This embodiment provides a shift cable structure based on above technical problem, can enough guarantee the stability of shifting, can reduce the vibration noise that the cable brought again.
In general, as shown in fig. 1 to 3, the structure is composed of 3 parts: a first cable part 1, a second cable part 2 and an elastic piece 14; the first cable part 1 comprises a cavity structure 4 and a first cable 3, the cavity structure 4 can be preferably a hollow steel thin-wall pipe, the first end of the cavity structure 4 is connected with the first cable 3 (a gear shifting cable), and the second end of the cavity structure is provided with a through hole 5; the second cable part 2 comprises a piston head 7 and a second cable 6, 4 oil through holes 12 (penetrating through the piston head) are uniformly arranged on the piston head 7, and the first end of the second cable 6 is connected with the piston head 7; a resilient member 14, preferably a return spring, is arranged between the piston head 7 and the second end of the chamber structure 4.
Specifically, as shown in fig. 1 to 3, the shift cable structure is integrally cylindrical, and two oil chambers filled with oil, an upper oil chamber (a first chamber 9) and a lower oil chamber (a second chamber 10) are arranged in the shift cable structure, the middle of the shift cable structure is separated by a piston head 7, and 4 oil through holes 12 uniformly distributed are formed in the piston head 7 and connect the two oil chambers. A return spring (spring element 14) is arranged in the lower chamber, one end of the spring being fixed to the second end of the chamber structure 4 and the other end to the piston head 7.
When the driver shifts gears, the second cable is tightened to pull the piston head 7, and oil in the lower oil cavity flows to the upper oil cavity through the oil through hole 12. When the second limiting structure 11-limiting inclined surface on the piston head 7 touches the first limiting structure 8-limiting inclined surface (the distance between the two limiting inclined surfaces which can move relatively is 1-2 mm, and the moving direction of the two limiting inclined surfaces is parallel to the moving direction of the inhaul cable), the pulling force can be transmitted into the gearbox through the first inhaul cable 3 or the second inhaul cable 6 to shift gears.
After gear shifting is finished, the length of each cable is kept unchanged, the piston head 7 moves in the opposite direction under the action of a return spring (the rigidity is 3-8.5N/mm), oil flows from the upper oil cavity to the lower oil cavity, the two limiting inclined surfaces are separated from each other, the purpose of disconnecting the first cable 3 and the second cable 6 is achieved, rigid connection does not exist between the first cable 3 and the second cable 6, and vibration and noise transmitted through the cables are greatly reduced or even disappear.
In summary, the gear shifting inhaul cable structure provided by the embodiment of the invention can greatly reduce vibration and noise transmitted by the inhaul cable on the premise of ensuring the gear shifting stability; moreover, the structure can be made of steel materials, and the interior of the structure is filled with engine oil, so that the structure has certain mass and can play a role in balancing weight. In addition, the structure of this scheme is small and exquisite pleasing to the eye, does not account for the arrangement space, conveniently carries and durable.
In order to solve the above technical problem, an embodiment of the present invention further provides a vehicle, including: the gear shifting inhaul cable structure is provided.
Further, the vehicle comprises a gear shifting structure and a gearbox, in this embodiment, the gear shifting structure may be fixedly connected with a second end of a first cable in the gear shifting cable structure (the first end of the first cable is connected with the cavity structure), and the gearbox may be fixedly connected with a second end of a second cable in the gear shifting cable structure; or the transmission case may be fixedly connected to the second end of the first cable (the first end of the first cable is connected to the cavity structure), and the gear shift structure may be fixedly connected to the second end of the second cable, which is not limited herein.
Wherein, the implementation embodiment of the gear shifting cable structure is suitable for the embodiment of the vehicle, and the same technical effect can be achieved.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A shift cable structure characterized by comprising:
a first cable part and a second cable part;
the first cable part comprises a first cable and a cavity structure, the first end of the cavity structure is fixedly connected with the first cable, and the second end of the cavity structure is provided with a through hole;
the second cable part comprises a second cable and a piston head, and the first end of the second cable is fixedly connected with the piston head;
the piston head and the second inhaul cable are both arranged in the cavity structure, and the second end of the second inhaul cable penetrates out of the through hole;
the piston head comprises a first state and a second state, wherein the first state is fixedly connected with the cavity structure in a clamped mode, and the second state freely moves in the cavity structure;
the piston head is provided with a first limiting structure, and the piston head is provided with a second limiting structure matched with the first limiting structure;
the first limiting structure and the second limiting structure are both wedge-shaped structures, the tip end of the first limiting structure faces the first end of the cavity structure, and the tip end of the second limiting structure faces the second inhaul cable.
2. The shift cable structure according to claim 1, wherein the first stopper structure divides the interior of the cavity structure into a first cavity and a second cavity, and the first cavity is communicated with the second cavity, and the first cavity is located near the first end of the cavity structure and the second cavity is located near the second end of the cavity structure;
the piston head is located within the first cavity.
3. The shift cable structure according to claim 2, wherein an oil through hole is provided in the piston head; the first cavity and the second cavity are filled with oily liquid;
the oleaginous liquid may flow between the first cavity and the second cavity through the oil passage.
4. A shift cable structure according to claim 3, characterized in that an oil seal structure is provided at a peripheral position of said through hole.
5. The shift cable structure of claim 1, wherein a spring member is disposed between the piston head and the second end of the cavity structure, and the piston head is movable from the first state to the second state by the spring member.
6. The shift cable structure according to claim 5, characterized in that the rigidity of the spring member is greater than or equal to 3N/mm and less than or equal to 8.5N/mm.
7. The shift cable structure of claim 5, wherein the spring member has a first end fixedly coupled to the piston head and a second end fixedly coupled to the second end of the cavity structure.
8. A shift cable structure according to claim 1, wherein said piston head moves within said cavity structure a distance greater than or equal to 1mm and less than or equal to 2mm in a first displacement direction parallel to a displacement direction of said second cable.
9. A vehicle, characterized by comprising: a shift cable structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917085.9A CN107965513B (en) | 2016-10-20 | 2016-10-20 | Shift cable structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917085.9A CN107965513B (en) | 2016-10-20 | 2016-10-20 | Shift cable structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107965513A CN107965513A (en) | 2018-04-27 |
| CN107965513B true CN107965513B (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917085.9A Active CN107965513B (en) | 2016-10-20 | 2016-10-20 | Shift cable structure and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN107965513B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658842B (en) * | 2020-12-24 | 2023-09-26 | 上海汽车变速器有限公司 | Hydraulic damping device for reducing gear shifting impact of transmission electric gear shifting control mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725699A (en) * | 2009-12-25 | 2010-06-09 | 奇瑞汽车股份有限公司 | Gear shift pulling cable damping mechanism |
| CN204279316U (en) * | 2014-11-13 | 2015-04-22 | 北汽福田汽车股份有限公司 | Energy-absorption box and there is the vehicle of this energy-absorption box |
| CN205047728U (en) * | 2015-10-10 | 2016-02-24 | 杜成华 | Damper |
-
2016
- 2016-10-20 CN CN201610917085.9A patent/CN107965513B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725699A (en) * | 2009-12-25 | 2010-06-09 | 奇瑞汽车股份有限公司 | Gear shift pulling cable damping mechanism |
| CN204279316U (en) * | 2014-11-13 | 2015-04-22 | 北汽福田汽车股份有限公司 | Energy-absorption box and there is the vehicle of this energy-absorption box |
| CN205047728U (en) * | 2015-10-10 | 2016-02-24 | 杜成华 | Damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107965513A (en) | 2018-04-27 |
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