CN108425935B - Gear shifting inhaul cable vibration isolation and sound insulation device, gear shifting inhaul cable assembly and automobile - Google Patents
Gear shifting inhaul cable vibration isolation and sound insulation device, gear shifting inhaul cable assembly and automobile Download PDFInfo
- Publication number
- CN108425935B CN108425935B CN201710077982.8A CN201710077982A CN108425935B CN 108425935 B CN108425935 B CN 108425935B CN 201710077982 A CN201710077982 A CN 201710077982A CN 108425935 B CN108425935 B CN 108425935B
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- CN
- China
- Prior art keywords
- vibration isolation
- gear shifting
- cable
- guide rod
- sound insulation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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"
- F16C1/12—Arrangements for transmitting movement to or from the flexible member
- F16C1/14—Construction of the end-piece of the flexible member; Attachment thereof to the flexible member
Abstract
The embodiment of the invention provides a gear shifting cable vibration isolation and sound insulation device, a gear shifting cable assembly and an automobile, wherein the gear shifting cable vibration isolation and sound insulation device comprises: a tubular connection portion; the vibration isolation part is sleeved in the tubular connecting part and is in interference fit with the tubular connecting part; a first fastening end connected to the first end of the tubular connection; the first end of the first guide rod is abutted with the first end of the vibration isolation part, and the second end of the first guide rod sequentially penetrates through the first elastic part positioned in the tubular connecting part and the first through hole arranged on the first fastening end; a second fastening end connected to the second end of the tubular connection; the first end of the second guide rod is abutted with the second end of the vibration isolation part, and the second end of the second guide rod sequentially penetrates through the second elastic part positioned in the tubular connecting part and the second through hole arranged on the second fastening end. According to the embodiment of the invention, vibration and noise transmitted to the cab by the gear shifting inhaul cable through the gear shifting inhaul cable can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a gear shifting inhaul cable vibration isolation and sound insulation device, a gear shifting inhaul cable assembly and an automobile.
Background
With the rapid development of the automobile industry, the annual growth rate of automobiles is higher and higher, and the requirements of noise, vibration and harshness (NVH, noise, vibration, harshness) are also paid more attention to while the requirements of safety, reliability and low oil consumption are required. The NVH level of the automobile gear shifting mechanism directly influences the evaluation of the whole automobile by customers, so that the NVH performance requirement of the gear shifting mechanism is higher and higher. The gear shifting inhaul cable of the automobile gear shifting mechanism is an important connecting component of a gearbox and a cab, and vibration and noise of the gearbox are directly transmitted to the cab, so that NVH performance of the whole automobile is directly affected. At present, the amplitude of vibration is reduced mainly by adding a balancing weight on a gear shifting cable guide pipe, but the vibration transmitted from a gearbox cannot be completely and effectively isolated from noise.
Disclosure of Invention
The embodiment of the invention aims to provide a gear shifting inhaul cable vibration isolation and sound insulation device, a gear shifting inhaul cable assembly and an automobile, which can effectively reduce vibration and noise transmitted to a cab by a gear shifting inhaul cable through a gearbox.
In order to achieve the above object, an embodiment of the present invention provides a gear shift cable vibration isolation and sound insulation device, including:
a tubular connection portion;
the vibration isolation part is sleeved in the tubular connecting part and is in interference fit with the tubular connecting part;
a first fastening end connected to the first end of the tubular connection;
the first end of the first guide rod is abutted with the first end of the vibration isolation part, the second end of the first guide rod sequentially penetrates through the first elastic component positioned in the tubular connecting part and the first through hole arranged on the first fastening end, the second end of the first guide rod is exposed out of the first through hole, one end of the first elastic component is abutted with the first end of the first guide rod, and the other end of the first elastic component is abutted with the first fastening end;
the second fastening end is connected with the second end of the tubular connecting part;
the first end of the second guide rod is abutted with the second end of the vibration isolation part, the second end of the second guide rod sequentially penetrates through the second elastic component positioned in the tubular connecting part and the second through hole arranged on the second fastening end, the second end of the second guide rod is exposed out of the second through hole, one end of the second elastic component is abutted with the first end of the second guide rod, and the other end of the second elastic component is abutted with the second fastening end.
The first end of the tubular connecting portion is provided with a first thread, and the first fastening end is connected with the first end of the tubular connecting portion through the first thread.
The second end of the tubular connecting part is provided with a second thread, and the second fastening end is connected with the second end of the tubular connecting part through the second thread.
Wherein, the tubular connecting part is a steel pipe.
Wherein, the vibration isolation part is a vibration isolation rubber rod.
Wherein, the first elastic component and the second elastic component are both a spring.
The longitudinal section of the first guide rod and the longitudinal section of the second guide rod are T-shaped.
The embodiment of the invention also provides a gear shifting cable assembly, which comprises a first cable, a second cable and the gear shifting cable vibration isolation and sound insulation device,
the second end of the first guide rod of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the first cable, and the second end of the second guide rod of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the second cable.
The embodiment of the invention also provides an automobile comprising the gear shifting inhaul cable assembly.
The scheme of the invention has the following beneficial effects:
in the embodiment of the invention, when the gear shifting cable vibration isolation and sound insulation device is applied to an automobile gear shifting cable assembly, vibration transmitted from a gearbox is effectively absorbed through the vibration isolation part, meanwhile, noise of the gearbox is effectively isolated through interference fit of the vibration isolation part and the tubular connecting part, and the effect of effectively reducing the vibration and noise transmitted to a cab through the gear shifting cable by the gearbox is achieved.
Drawings
Fig. 1 is a schematic structural view of a gear shifting inhaul cable vibration isolation and sound insulation device in an embodiment of the invention;
FIG. 2 is a schematic view of a first fastening end according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a first elastic member according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating a structure of a first guide bar according to an embodiment of the present invention;
FIG. 5 is a schematic view of a vibration isolation portion according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a tubular connection portion according to an embodiment of the present invention.
Reference numerals illustrate:
1. a tubular connection portion; 2. a vibration isolation section; 3. a first fastening end; 301. a first through hole; 4. a first guide bar; 5. a first elastic member; 6. a second fastening end; 7. a second guide bar; 8. and a second elastic member.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
First embodiment
As shown in fig. 1 to 6, a first embodiment of the present invention provides a gear shift cable vibration isolation and sound insulation device, including: a tubular connection 1; the vibration isolation part 2 is sleeved in the tubular connecting part 1, and the vibration isolation part 2 is in interference fit with the tubular connecting part 1; a first fastening end 3, the first fastening end 3 being connected to a first end of the tubular connection 1; the first end of the first guide rod 4 is abutted against the first end of the vibration isolation part 2, the second end of the first guide rod 4 sequentially passes through the first elastic component 5 positioned in the tubular connecting part 1 and the first through hole 301 arranged on the first fastening end 3, the second end of the first guide rod 4 is exposed out of the first through hole 301, one end of the first elastic component 5 is abutted against the first end of the first guide rod 4, and the other end is abutted against the first fastening end 3; a second fastening end 6, the second fastening end 6 being connected to the second end of the tubular connection 1; the first end of the second guide rod 7 is abutted with the second end of the vibration isolation part 2, the second end of the second guide rod 7 sequentially penetrates through a second elastic component 8 positioned in the tubular connecting part 1 and a second through hole arranged on the second fastening end 6, the second end of the second guide rod 7 is exposed out of the second through hole, one end of the second elastic component 8 is abutted with the first end of the second guide rod 7, and the other end of the second elastic component is abutted with the second fastening end 6.
In the embodiment of the invention, when the gear shifting cable vibration isolation and sound insulation device is applied to a gear shifting cable assembly, the gear shifting cable vibration isolation and sound insulation device is connected with a cable. Specifically, the gear shifting cable assembly comprises a first cable and a second cable, the second end of a first guide rod 4 of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the first cable, and the second end of a second guide rod 7 of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the second cable. The other end of the first cable is connected to one of the shift handle and the transmission, and the other end of the second cable is connected to the other of the shift handle and the transmission.
In the embodiment of the present invention, the specific structures of the first fastening end 3 and the second fastening end 6 may be the same, and the main functions of the first fastening end 3 and the second fastening end 6 are: is connected with the tubular connecting part 1, applies pretightening force to the first elastic component 5 and the second elastic component 8, compresses the first elastic component 5 and the second elastic component 8, and enables the second end of the first guide rod 4 to be exposed out of the first through hole 301 and the second end of the second guide rod 7 to be exposed out of the second through hole. It should be noted that, there is a gap between the first guide rod 4 and the second guide rod 7 and the tubular connecting portion 1, and the first guide rod 4 and the second guide rod 7 can both slightly slide in the tubular connecting portion 1, so as to reflect noise of the gearbox back to realize a sound insulation effect.
In the embodiment of the present invention, the specific structures of the first elastic member 5 and the second elastic member 8 may be the same, and the first elastic member 5 directly compresses with the first guide rod 4 and the first fastening end 3, and the second elastic member 8 directly compresses with the second guide rod 7 and the second fastening end 6, so as to ensure that no gap exists in the cable shifting process.
Here, as an example, the first elastic member 5 and the second elastic member 8 may be a spring. It will of course be appreciated that in embodiments of the invention the specific form of the first resilient member 5 and the second resilient member 8 is not limited.
In the embodiment of the present invention, the specific structures of the first guide rod 4 and the second guide rod 7 may be the same, and the first guide rod 4 and the second guide rod 7 are both pressed against the vibration isolation portion 2. It should be noted that, in the embodiment of the present invention, the main functions of the first guide bar 4 and the second guide bar 7 are as follows: is connected with the inhaul cable and plays a guiding role, and the tensioning or shrinking of the inhaul cable is realized without gaps through the first elastic part 5 and the second elastic part 8.
It should be noted that, the longitudinal section of the first guide bar 4 and the longitudinal section of the second guide bar 7 may be T-shaped. And to ensure that the primary function is achieved by the first guide bar 4 and the second guide bar 7, the diameter of the first end of the first guide bar 4 is greater than the diameter of the second end of the first guide bar 4, and similarly, the diameter of the first end of the second guide bar 7 is greater than the diameter of the second end of the second guide bar 7.
In the embodiment of the present invention, the vibration isolation portion 2 mainly functions as: damping vibrations transmitted from the gearbox. In the embodiment of the invention, the diameter of the vibration isolation part 2 is slightly larger than that of the tubular connecting part 1, so that interference fit is realized, and noise transmitted from the gearbox can be effectively isolated.
In order to ensure effective damping of vibrations transmitted from the transmission, the vibration isolation portion 2 may be a vibration isolation rubber rod. In the embodiment of the invention, rubber rods with different rigidities can be replaced according to vibration sources with different frequencies, so that the purpose of vibration isolation for vibration with different frequencies is achieved, and the working efficiency is improved.
In the embodiment of the present invention, to ensure the connection between the first fastening end 3 and the second fastening end 6 and the tubular connection portion 1, the first fastening end 3 and the second fastening end 6 can achieve their main functions. The first end of the tubular connecting portion 1 is provided with a first thread, and the first fastening end 3 is connected to the first end of the tubular connecting portion 1 through the first thread. Similarly, the second end of the tubular connection 1 is provided with a second thread, by means of which the second fastening end 6 is connected to the second end of the tubular connection 1.
Here, as an example, the tubular connection portion 1 may be a steel pipe. It will of course be appreciated that in embodiments of the invention the particular form of the tubular connection 1 described above is not limited.
In the embodiment of the invention, the concrete structure of the gear shifting cable vibration isolation and sound insulation device is characterized by simple structure, short development period and flexible installation and arrangement. In addition, the gear shifting cable vibration isolation and sound insulation device mainly can be of a steel structure, so that the gear shifting cable vibration isolation and sound insulation device is large in mass, and can be used for increasing the counterweight of the gear shifting cable assembly when being applied to the gear shifting cable assembly, and is beneficial to reducing vibration transmitted from a gearbox.
Therefore, in the embodiment of the invention, when the gear shifting cable vibration isolation and sound insulation device is applied to an automobile gear shifting cable assembly, vibration transmitted from a gearbox is effectively absorbed through the vibration isolation part 2, meanwhile, noise of the gearbox is effectively isolated through interference fit between the vibration isolation part 2 and the tubular connecting part 1, and the effect of effectively reducing the vibration and noise transmitted to a cab through the gear shifting cable by the gearbox is achieved.
Second embodiment
The second embodiment of the invention provides a gear shifting cable assembly, which comprises a first cable, a second cable and the gear shifting cable vibration isolation and sound insulation device.
The second end of the first guide rod of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the first cable, and the second end of the second guide rod of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the second cable. The other end of the first cable is connected to one of the shift handle and the transmission, and the other end of the second cable is connected to the other of the shift handle and the transmission.
In the embodiment of the invention, the vibration transmitted from the gearbox is effectively absorbed by the vibration isolation part of the gear shifting cable vibration isolation device, and meanwhile, the noise of the gearbox is effectively isolated by interference fit between the vibration isolation part of the gear shifting cable vibration isolation device and the tubular connecting part, so that the effect of effectively reducing the vibration and noise transmitted to the cab by the gear shifting cable through the gear shifting cable is achieved.
It should be noted that, the gear shifting cable assembly provided by the second embodiment of the present invention is a gear shifting cable assembly including the gear shifting cable vibration isolation and sound insulation device, that is, all embodiments of the gear shifting cable vibration isolation and sound insulation device are applicable to the gear shifting cable assembly, and the same or similar beneficial effects can be achieved.
Third embodiment
A third embodiment of the present invention provides an automobile comprising the shift cable assembly described above.
In the embodiment of the invention, the vibration transmitted from the gearbox is effectively absorbed by the vibration isolation part of the gear shifting cable vibration isolation device, and meanwhile, the noise of the gearbox is effectively isolated by interference fit between the vibration isolation part of the gear shifting cable vibration isolation device and the tubular connecting part, so that the effect of effectively reducing the vibration and noise transmitted to the cab by the gear shifting cable through the gear shifting cable is achieved.
It should be noted that, the automobile provided by the third embodiment of the present invention is an automobile including the gear shifting cable assembly, that is, all the embodiments of the gear shifting cable assembly are applicable to the automobile, and the same or similar beneficial effects can be achieved.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (4)
1. The utility model provides a shift cable vibration isolation sound arrester which characterized in that includes:
a tubular connection portion;
the vibration isolation part is sleeved in the tubular connecting part and is in interference fit with the tubular connecting part;
a first fastening end connected with a first end of the tubular connection;
the first end of the first guide rod is abutted with the first end of the vibration isolation part, the second end of the first guide rod sequentially penetrates through a first elastic component positioned in the tubular connecting part and a first through hole arranged on the first fastening end, the second end of the first guide rod is exposed out of the first through hole, one end of the first elastic component is abutted with the first end of the first guide rod, and the other end of the first elastic component is abutted with the first fastening end;
a second fastening end connected with the second end of the tubular connection;
the first end of the second guide rod is abutted with the second end of the vibration isolation part, the second end of the second guide rod sequentially penetrates through a second elastic component positioned in the tubular connecting part and a second through hole arranged on the second fastening end, the second end of the second guide rod is exposed out of the second through hole, one end of the second elastic component is abutted with the first end of the second guide rod, and the other end of the second elastic component is abutted with the second fastening end; the first end of the tubular connecting part is provided with a first thread, and the first fastening end is connected with the first end of the tubular connecting part through the first thread; the second end of the tubular connecting part is provided with a second thread, and the second fastening end is connected with the second end of the tubular connecting part through the second thread; the tubular connecting part is a steel pipe; the vibration isolation part is a vibration isolation rubber rod; the first elastic component and the second elastic component are both springs; when the gear shifting inhaul cable vibration isolation and sound insulation device is applied to an automobile gear shifting inhaul cable assembly, vibration transmitted from a gearbox is effectively absorbed through the vibration isolation portion, meanwhile, noise of the gearbox is effectively isolated through interference fit of the vibration isolation portion and the tubular connecting portion, and the effect of effectively reducing the vibration and noise transmitted to a cab through the gear shifting inhaul cable by the gearbox is achieved.
2. The gear shift cable vibration isolation and sound insulation device of claim 1, wherein the longitudinal section of the first guide rod and the longitudinal section of the second guide rod are both T-shaped.
3. A gear shifting cable assembly comprising a first cable, a second cable and a gear shifting cable vibration isolation and sound insulation device according to any one of claims 1 to 2,
the gear shifting cable vibration isolation and sound insulation device comprises a gear shifting cable, a gear shifting cable vibration isolation and sound insulation device and a gear shifting cable, wherein the second end of a first guide rod of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the first cable, and the second end of a second guide rod of the gear shifting cable vibration isolation and sound insulation device is connected with one end of the second cable.
4. An automobile comprising a shift cable assembly according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710077982.8A CN108425935B (en) | 2017-02-14 | 2017-02-14 | Gear shifting inhaul cable vibration isolation and sound insulation device, gear shifting inhaul cable assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710077982.8A CN108425935B (en) | 2017-02-14 | 2017-02-14 | Gear shifting inhaul cable vibration isolation and sound insulation device, gear shifting inhaul cable assembly and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108425935A CN108425935A (en) | 2018-08-21 |
| CN108425935B true CN108425935B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710077982.8A Active CN108425935B (en) | 2017-02-14 | 2017-02-14 | Gear shifting inhaul cable vibration isolation and sound insulation device, gear shifting inhaul cable assembly and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN108425935B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02134409A (en) * | 1988-11-15 | 1990-05-23 | Nippon Cable Syst Inc | Vibro-isolating parts for control cable |
| CN203189604U (en) * | 2013-04-10 | 2013-09-11 | 奇瑞汽车股份有限公司 | Gear shifting pulling wire damper |
| CN205639259U (en) * | 2016-05-27 | 2016-10-12 | 长城汽车股份有限公司 | Buffer and vehicle of acting as go -between of shifting |
| CN206468677U (en) * | 2017-02-14 | 2017-09-05 | 北京汽车动力总成有限公司 | A kind of gear-shifting inhaul cable vibration isolation sound arrester, gear-shifting inhaul cable assembly and automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101113584B1 (en) * | 2009-09-07 | 2012-02-22 | 현대자동차주식회사 | Noise Reduction Apparatus for Shift Cable |
-
2017
- 2017-02-14 CN CN201710077982.8A patent/CN108425935B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02134409A (en) * | 1988-11-15 | 1990-05-23 | Nippon Cable Syst Inc | Vibro-isolating parts for control cable |
| CN203189604U (en) * | 2013-04-10 | 2013-09-11 | 奇瑞汽车股份有限公司 | Gear shifting pulling wire damper |
| CN205639259U (en) * | 2016-05-27 | 2016-10-12 | 长城汽车股份有限公司 | Buffer and vehicle of acting as go -between of shifting |
| CN206468677U (en) * | 2017-02-14 | 2017-09-05 | 北京汽车动力总成有限公司 | A kind of gear-shifting inhaul cable vibration isolation sound arrester, gear-shifting inhaul cable assembly and automobile |
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| Publication number | Publication date |
|---|---|
| CN108425935A (en) | 2018-08-21 |
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