CN107901723B - A kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole - Google Patents
A kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole Download PDFInfo
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- CN107901723B CN107901723B CN201711027178.5A CN201711027178A CN107901723B CN 107901723 B CN107901723 B CN 107901723B CN 201711027178 A CN201711027178 A CN 201711027178A CN 107901723 B CN107901723 B CN 107901723B
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- circular planes
- abnormal sound
- loosening
- rod sleeve
- locking teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a kind of anti-loosening anti-abnormal sound structures of rear-bridge strubilizing pole, including rear-bridge strubilizing pole, the both ends of rear-bridge strubilizing pole have been respectively fixedly connected with stable rod sleeve, stablizing rod sleeve has cylinder top surface and cylinder bottom surface, cylinder top surface includes the first circular planes and the second circular planes, height between second circular planes and cylinder bottom surface is greater than the height between the first circular planes and cylinder bottom surface, first circular planes are equipped with locking teeth, locking teeth has tooth top and tooth root, and the height between tooth top and tooth root is greater than the height between the first circular planes and the second circular planes.The configuration of the present invention is simple, it is at low cost, it is highly reliable, it can solve the loosening of region of interest torque, eliminate region of interest chassis abnormal sound problem, can be improved and drive quality and exterior quality.
Description
Technical field
The present invention relates to vehicle rear axle assembly technical fields, and in particular to a kind of anti-loosening anti-abnormal sound knot of rear-bridge strubilizing pole
Structure.
Background technique
Rear axle is extremely important composition components in automobile chassis, needs to bear from road surface while the car is driving
Shock loading and vibration, therefore, rigidity, intensity, fatigue life of rear axle etc. to the safety of vehicle and comfort play to
Close important role.
Existing rear axle there are the problem of be mainly reflected on stabiliser bar.Rear-bridge strubilizing pole is connected by fastener in the prior art
It is connected on rear axle, as depicted in figs. 1 and 2.Stablize rod sleeve and rear axle firm contact position generally uses two kinds of connection types to connect
It connects, a kind of connection type is that plane connection becomes as shown in figure 3, such structure crosses bumpy road or fast steering once loosening
Line will generate abnormal sound, cause very big complaint after sale, another kind is that serrated face connects, as shown in figure 4, the sawtooth of such structure exists
Rear axle contact surface can be destroyed in vehicle traveling process and generates corrosion, and the corrosion loss that generation is used for a long time will cause connecting portion
Torque decline, can not only reduce driving quality, can also cause loosening abnormal sound.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-loosening anti-abnormal sound structures of rear-bridge strubilizing pole, are deposited in the prior art with overcoming
Drawbacks described above.
The purpose of the present invention is what is be achieved by following technical proposals:
A kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole, including rear-bridge strubilizing pole, the both ends point of the rear-bridge strubilizing pole
It is not fixedly connected with stable rod sleeve, the stable rod sleeve has cylinder top surface and cylinder bottom surface, and the cylinder top surface includes the first circle
Plane of a loop and the second circular planes, the height between second circular planes and the cylinder bottom surface are flat greater than first annulus
Height between face and the cylinder bottom surface, first circular planes are equipped with locking teeth, and the locking teeth has tooth top and tooth
Root, the height between the tooth top and the tooth root are greater than the height between first circular planes and second circular planes
Degree.
Preferably, the stable rod sleeve is along axially through there is central through hole, and first circular planes are around described
Central through hole arrangement, second circular planes are arranged around first circular planes.
Preferably, the section semicircular in shape shape of the locking teeth, the crest top land of the locking teeth and flank intersection
Using round-corner transition.
Preferably, the section of locking teeth shape triangular in shape, the crest top land of the locking teeth and flank intersection
Using rounded corner transition.
Preferably, the locking teeth is straight tooth structure or from first circular planes to the second circular planes side
To inclined helical teeth structure.
Preferably, the locking teeth is handled using vacuum carburization processing or heat treatment process.
Preferably, the stabiliser bar sleeve weld is on the rear-bridge strubilizing pole.
Preferably, the rear-bridge strubilizing pole is fixed on rear axle by fastener.
Preferably, the stable rod sleeve is handled using cold heading technique or hot forging process.
Preferably, the stable rod sleeve is made of mild steel or alloy steel material.
Compared with prior art, the invention has the following beneficial effects:
(1) the first circular planes and second with locking teeth are processed into for rod sleeve cylinder top surface is stablized using upsetting pressure technique
Circular planes, structure are simple；
(2) by the way that locking teeth to be embedded into rear axle crossbeam, coefficient of friction can be improved, eliminate torque and loosen；
(3) stablize rod sleeve and connect with rear axle contact surface using plane, the material creep of contact site can be eliminated, guaranteed
Fastener axle power, which does not wane, moves back, and eliminates torque and loosens；
(4) since axle power does not fail, torque does not loosen, so that rear axle band stabiliser bar assembly torsion stiffness remains unchanged, bottom
Disk handling stability can will not fail, and improve and drive quality, vehicle is avoided to generate slack and undisciplined phenomenon after using certain time limit；
(5) material source for stablizing rod sleeve is extensive, and mild steel, steel alloy can be used, at low cost.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly or technical approach in the prior art, below will be to embodiment or existing
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of rear axle；
Fig. 2 is the structural schematic diagram of rear-bridge strubilizing pole in the prior art；
Fig. 3 is a kind of structural schematic diagram of stable rod sleeve in the prior art；
Fig. 4 is another structural schematic diagram of stable rod sleeve in the prior art；
Fig. 5 is the welding schematic diagram that the present invention stablizes rod sleeve；
Fig. 6 is the top view that the present invention stablizes rod sleeve；
Fig. 7 is cross-sectional view of the Fig. 6 along the direction A-A；
Fig. 8 is the partial sectional view of locking teeth in the embodiment of the present invention 1；
Fig. 9 is the partial sectional view of locking teeth in the embodiment of the present invention 2；
In figure: 1- rear axle, 2- rear-bridge strubilizing pole, 3- fastener, 4- stablize rod sleeve, 5- soldered, 6- top surfaces, 61-
First circular planes, the second circular planes of 62-, 7- bottom surfaces, 8- locking teeth, 81- tooth top, 82- tooth root, 9- central through hole.
Specific embodiment
To keep the purpose of the present invention, technical approach and advantage more clear, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connection ", " fixation " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can make to be connected directly, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two ", " third " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that
The data used in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, device, product or equipment
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
Embodiment 1
As depicted in figs. 1 and 2, rear-bridge strubilizing pole 2 in the prior art is generally connected on rear axle by fastener 3.Surely
Fixed pole sleeve 4 generallys use two kinds of connection types with 1 firm contact position of rear axle and connect, and a kind of connection type is plane connection,
As shown in figure 3, such structure is once loosen, abnormal sound will be generated by crossing bumpy road or fast steering, modified line, be caused very big after sale
Complain；Another kind is that serrated face connects, and is connect as shown in figure 4, the sawtooth of such structure can destroy rear axle 1 while the car is driving
Contacting surface and generate corrosion, after using for a longer period, corrode position material loss will cause connecting portion torque decline, not only can
It reduces and drives quality, can also cause loosening abnormal sound.
In view of the above-mentioned problems, the present embodiment provides a kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole, including rear axle is stablized
Bar 2, the rear-bridge strubilizing pole 2 are fixed on rear axle by fastener 3, as depicted in figs. 1 and 2.The two of the rear-bridge strubilizing pole 2
End is respectively arranged with stable rod sleeve 4, and the stable rod sleeve 4 is soldered to the face of the rear-bridge strubilizing pole 2 along soldered 5
On, as shown in Figure 5.The material source of the stable rod sleeve 4 is extensive, mild steel, and steel alloy can be used, at low cost.
As shown in figure 5, the stable rod sleeve 4 has cylinder top surface 6 and cylinder bottom surface 7, the cylinder top surface 6 is the stabiliser bar
Sleeve 4 and 1 contact surface of rear axle.The cylinder top surface 6 the first circular planes with locking teeth 8 are processed into using cold heading technique
61 and second circular planes 62, structure is simple, and formed precision is high.Preferably, second circular planes 62 and the cylinder bottom surface 7
Between height be greater than height between first circular planes 61 and the cylinder bottom surface 7.When the rear-bridge strubilizing pole 2 passes through
After the fastener 3 fastens, the locking teeth 8 is embedded into 1 contact surface of rear axle, and coefficient of friction can be improved, and guarantees vapour
Vehicle is in driving procedure, even if 1 motion deformation of the rear axle, with the rear axle 1 mistake will not occur for the rear-bridge strubilizing pole 2
Position, can effectively prevent loosening.Since the locking teeth 8 is embedded into the rear axle 1, if without second circular planes
62 structures, after a period of use with 8 contact site of locking teeth, the material of the contact site will occur compacted the rear axle 1
Become, and the material creep of the contact site can be eliminated using 62 structure of the second circular planes, guarantees 3 axis of fastener
Power does not fail, and eliminates torque and loosens, so that the rear axle 1 remains unchanged with 2 torsion stiffness of rear-bridge strubilizing pole, chassis
Handling stability can will not fail, and be conducive to improve driving quality, vehicle is avoided to generate slack and undisciplined phenomenon after using certain time limit.
As shown in Figure 5 and Figure 6, the stable rod sleeve 4 is along axially through having central through hole 9, first circular planes
61 arrange around the central through hole 9, and second circular planes 62 are arranged around first circular planes 61.Due to
Second circular planes 62 are located at outside first circular planes 61, under the fastening effect of the fastener 3, described
Two circular planes 62 are fitted closely with the rear axle 1, and moisture penetration can effectively be prevented to cause to 8 contact surface of locking teeth
It gets rusty, the exterior quality of the stable rod sleeve 4 on the one hand can be improved, it on the other hand can be to avoid because of contact portion caused by getting rusty
Position material loss in turn results in related matching part torque loosening and abnormal sound.
As shown in fig. 7, the locking teeth 8 has tooth top 81 and tooth root 82, between the tooth top 81 and the tooth root 82
Height is greater than the height between first circular planes 61 and second circular planes 62.
As shown in figure 8, the section semicircular in shape shape of the locking teeth 8, crest top land and the flank phase of the locking teeth 8
Round-corner transition is used at friendship.In the present embodiment, in order to improve the hardness of the locking teeth 8, the locking teeth 8 is seeped using vacuum
Carbon processing.
Embodiment 2
The present embodiment provides a kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole, including rear-bridge strubilizing pole 2, the rear axle are steady
Fixed pole 2 is fixed on rear axle by fastener 3, as depicted in figs. 1 and 2.The both ends of the rear-bridge strubilizing pole 2 are respectively arranged with surely
Fixed pole sleeve 4, the stable rod sleeve 4 is along the face that soldered 5 is soldered to the rear-bridge strubilizing pole 2, as shown in Figure 5.Institute
The material source for stating stable rod sleeve 4 is extensive, mild steel, and steel alloy can be used, at low cost.
As shown in figure 5, the stable rod sleeve 4 has cylinder top surface 6 and cylinder bottom surface 7, the cylinder top surface 6 is the stabiliser bar
Sleeve 4 and 1 contact surface of rear axle.The cylinder top surface 6 the first circular planes with locking teeth 8 are processed into using cold heading technique
61 and second circular planes 62, structure is simple, and formed precision is high.Preferably, second circular planes 62 and the cylinder bottom surface 7
Between height be greater than height between first circular planes 61 and the cylinder bottom surface 7.When the rear-bridge strubilizing pole 2 passes through
After the fastener 3 fastens, the locking teeth 8 is embedded into 1 contact surface of rear axle, and coefficient of friction can be improved, and guarantees vapour
Vehicle is in driving procedure, even if 1 motion deformation of the rear axle, with the rear axle 1 mistake will not occur for the rear-bridge strubilizing pole 2
Position, can effectively prevent loosening.Since the locking teeth 8 is embedded into the rear axle 1, if without second circular planes
62 structures, after a period of use with 8 contact site of locking teeth, the material of the contact site will occur compacted the rear axle 1
Become, and the material creep of the contact site can be eliminated using 62 structure of the second circular planes, guarantees 3 axis of fastener
Power does not fail, and eliminates torque and loosens, so that the rear axle 1 remains unchanged with 2 torsion stiffness of rear-bridge strubilizing pole, chassis
Handling stability can will not fail, and be conducive to improve driving quality, vehicle is avoided to generate slack and undisciplined phenomenon after using certain time limit.
As shown in Figure 5 and Figure 6, the stable rod sleeve 4 is along axially through having central through hole 9, first circular planes
61 arrange around the central through hole 9, and second circular planes 62 are arranged around first circular planes 61.Due to
Second circular planes 62 are located at outside first circular planes 61, under the fastening effect of the fastener 3, described
Two circular planes 62 are fitted closely with the rear axle 1, and moisture penetration can effectively be prevented to cause to 8 contact surface of locking teeth
It gets rusty, the exterior quality of the stable rod sleeve 4 on the one hand can be improved, it on the other hand can be to avoid because of contact portion caused by getting rusty
Position material loss in turn results in related matching part torque loosening and abnormal sound.
As shown in fig. 7, the locking teeth 8 has tooth top 81 and tooth root 82, between the tooth top 81 and the tooth root 82
Height is greater than the height between first circular planes 61 and second circular planes 62.
As shown in figure 9, the section shape triangular in shape of the locking teeth 8, crest top land and the flank phase of the locking teeth 8
Rounded corner transition is used at friendship.In the present embodiment, in order to improve the hardness of the locking teeth 8, the locking teeth 8 is using common
Heat treatment process processing.
The configuration of the present invention is simple, it is at low cost, it is highly reliable, it can solve the loosening of region of interest torque, eliminate region of interest
Chassis abnormal sound problem can be improved and drive quality and exterior quality.
The present invention has a very extensive application prospect, and similar structures can be used for the use of chassis bushing class, equally can be with
Play the effect of region of interest fastener locking.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole, which is characterized in that including rear-bridge strubilizing pole (2), the rear axle is steady
The both ends of fixed pole (2) have been respectively fixedly connected with stable rod sleeve (4), and the stable rod sleeve (4) has cylinder top surface (6) and cylinder bottom
Face (7),
The cylinder top surface (6) includes the first circular planes (61) and the second circular planes (62), second circular planes (62)
Height between the cylinder bottom surface (7) is greater than the height between first circular planes (61) and the cylinder bottom surface (7),
First circular planes (61) are equipped with locking teeth (8), and the locking teeth (8) has tooth top (81) and tooth root (82),
Height between the tooth top (81) and the tooth root (82) is greater than first circular planes (61) and second annulus is flat
Height between face (62),
The section semicircular in shape shape of the locking teeth (8), the crest top land of the locking teeth (8) and flank intersection are using circle
Angle transition.
2. the anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole according to claim 1, which is characterized in that the stable rod sleeve
(4) along axially through having central through hole (9), first circular planes (61) are arranged around the central through hole (9), described
Second circular planes (62) are arranged around first circular planes (61).
3. the anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole described in any one of -2 according to claim 1, which is characterized in that institute
Locking teeth (8) are stated to handle using vacuum carburization processing or heat treatment process.
4. the anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole according to claim 1, which is characterized in that the stable rod sleeve
(4) it is welded on the rear-bridge strubilizing pole (2).
5. the anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole according to claim 1, which is characterized in that the rear-bridge strubilizing pole
(2) it is fixed on rear axle (1) by fastener (3).
6. the anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole according to claim 1, which is characterized in that the stable rod sleeve
(4) it is handled using cold heading technique or hot forging process.
7. the anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole according to claim 1, which is characterized in that the stable rod sleeve
(4) it is made of mild steel or alloy steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027178.5A CN107901723B (en) | 2017-10-27 | 2017-10-27 | A kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027178.5A CN107901723B (en) | 2017-10-27 | 2017-10-27 | A kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107901723A CN107901723A (en) | 2018-04-13 |
| CN107901723B true CN107901723B (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711027178.5A Active CN107901723B (en) | 2017-10-27 | 2017-10-27 | A kind of anti-loosening anti-abnormal sound structure of rear-bridge strubilizing pole |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868742Y (en) * | 2005-10-31 | 2007-02-14 | 浙江吉利汽车研究院有限公司 | Rear-bridge strubilizing pole |
| KR20120019103A (en) * | 2010-08-25 | 2012-03-06 | 대원강업주식회사 | Slip bush for stabilizer bar |
| CN203818954U (en) * | 2014-02-28 | 2014-09-10 | 上海汽车集团股份有限公司 | Automobile suspension system control arm installation anti-loosening structure |
| CN203920323U (en) * | 2014-06-11 | 2014-11-05 | 浙江工业大学之江学院 | A kind of stabilizer bar bushing inner sleeve structure of wear resistant and noise reducing |
| CN204354753U (en) * | 2014-11-24 | 2015-05-27 | 北京汽车股份有限公司 | Control arm assembly and automobile suspension system |
-
2017
- 2017-10-27 CN CN201711027178.5A patent/CN107901723B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868742Y (en) * | 2005-10-31 | 2007-02-14 | 浙江吉利汽车研究院有限公司 | Rear-bridge strubilizing pole |
| KR20120019103A (en) * | 2010-08-25 | 2012-03-06 | 대원강업주식회사 | Slip bush for stabilizer bar |
| CN203818954U (en) * | 2014-02-28 | 2014-09-10 | 上海汽车集团股份有限公司 | Automobile suspension system control arm installation anti-loosening structure |
| CN203920323U (en) * | 2014-06-11 | 2014-11-05 | 浙江工业大学之江学院 | A kind of stabilizer bar bushing inner sleeve structure of wear resistant and noise reducing |
| CN204354753U (en) * | 2014-11-24 | 2015-05-27 | 北京汽车股份有限公司 | Control arm assembly and automobile suspension system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107901723A (en) | 2018-04-13 |
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