CN103863036A - Eccentric bushing for suspension control arm and automobile rear suspension control arm assembly - Google Patents
Eccentric bushing for suspension control arm and automobile rear suspension control arm assembly Download PDFInfo
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- CN103863036A CN103863036A CN201210529927.5A CN201210529927A CN103863036A CN 103863036 A CN103863036 A CN 103863036A CN 201210529927 A CN201210529927 A CN 201210529927A CN 103863036 A CN103863036 A CN 103863036A
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- mandrel
- control arm
- core
- eccentric sleeve
- rubber bodies
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Abstract
The invention provides an eccentric bushing for a suspension control arm. The eccentric bushing comprises a mandrel, a rubber element with a through hole and an outer tube. The mandrel penetrates the through hole of the rubber element to be connected with the rubber element, two ends of the mandrel stretch out of the rubber element, and the rubber element is disposed in and connected with the outer tube. The mandrel comprises a central portion, a first portion connected with the first end of the central portion and a second portion connected with the second end of the central portion. The central portion is disposed in the through hole of the rubber element, and connection holes are formed in the first portion and the second portion which are both disposed outside the rubber element. The upper surfaces of the first portion and the second portion are used for being fit with an automobile body mounting face, and the distance between the lower surfaces of the first portion and the second portion and the axis of the central portion is larger than the distance between the upper surfaces of the first portion and the second portion and the axis of the central portion. By means of the eccentric bushing, the automobile comfort level is improved.
Description
Technical field
The present invention relates to the suspension system of automobile, relate in particular to a kind of irs control arm eccentric sleeve and vehicle rear suspension control arm assembly.
Background technology
Automobile hanging is the parts that the elasticity between vehicle frame (or vehicle body) and wheel is connected, and suspension is one of important component part of modern automobile, hangs and is mainly made up of elastic element, shock absorber and guiding mechanism.The Main Function hanging is transfer function all force and moments at wheel and vehicle frame (or vehicle body), and the impact load of vehicle frame (or vehicle body) is passed on mitigation road surface, the vibration of the bearing system that decay causes thus, guarantee ride of vehicle, guarantee that wheel has desirable motion characteristics in the time of Uneven road and load change, guarantee that the road-holding property of automobile makes automobile obtain the ability of running at high speed.
In the suspension system of automobile, the lining of irs control arm has considerable influence to the traveling comfort of vehicle.
As shown in Figure 1, the lining of prior art irs control arm is by mandrel 101, rubber bodies 102, outer tube 103 forms, as shown in Figure 2, wherein mandrel comprises columniform core 104, the Part I 105 being connected with core first and the Part II 106 being connected with core the second end, described mandrel is through rubber bodies, and Part I and Part II stretch out outside rubber bodies, described rubber bodies is formed in outer tube, as can be seen from the figure described mandrel is the axial line symmetry about mandrel core, as shown in Figure 3, mandrel core, the axial line of Part I and Part II overlaps with line A-A, therefore when mandrel is laterally placed, the upper surface of mandrel Part I and Part II equals the lower surface of mandrel Part I and Part II to the distance of the axial line of core to the distance of the axial line of core, but invention technician finds, automobile control arm uses above-mentioned lining, the braking nose dive amount of automobile is very large, when automobile pitch refers to automobile brake, headstock can sink and phenomenon that the tailstock can be raised, automobile brake road-holding property, crossing ability and the traveling comfort of performance on vehicle of nodding has larger impact, because there will be the transfer of antero posterior axis load in the process of braking, cause vehicle antero posterior axis to occur significantly to change at the adhesive ability of longitudinal and side direction, can affect the road-holding property of vehicle, cause the dynamic ground Clearance of vehicle obviously to diminish if braking nose dive amount is crossed conference, thereby affect the crossing ability of vehicle, also can cause chaufeur and occupant's travelling comfort obviously to decline simultaneously.
Summary of the invention
In the rear-mounted structure design of four connecting rods, the hard spot coordinate that hangs trailing arm lining and vehicle body point of connection is referred to as trim center, for the suspension of this type, invention technician passes through a large amount of tests and draws in conjunction with the experience of self, improve the hard spot coordinate of trailing arm lining and vehicle body point of connection, the trim center height that can improve suspension, reduces the automobile brake amount of nodding; So invention technician improves the lining of Control arm, the irs control arm eccentric sleeve after improvement, comprising: mandrel, is provided with rubber bodies and the outer tube of through hole;
Described mandrel is connected with rubber bodies through the through hole of rubber bodies and rubber bodies is stretched out at the two ends of mandrel, and described rubber bodies is arranged in outer tube and is connected with outer tube;
Described mandrel comprises core, the Part I being connected with core first end and the Part II being connected with core the second end, described core is positioned at the through hole of rubber bodies, is all provided with connecting bore and Part I and Part II and is positioned at outside rubber bodies on described Part I and Part II;
The upper surface of described Part I and Part II is for coordinating with vehicle body attachment face, and when mandrel is laterally placed, the lower surface of described Part I and Part II is greater than the upper surface of Part I and Part II to the distance of the axial line of core to the distance of the axial line of core.
With in prior art " when mandrel is laterally placed, the upper surface of mandrel Part I and Part II equals the lower surface of mandrel Part I and Part II to the distance of the axial line of core to the distance of the axial line of core " scheme compare, the Part I of mandrel of the present invention and the lower surface of Part II are greater than the upper surface of Part I and Part II to the distance of the axial line of core to the distance of the axial line of core, mandrel is occurred eccentric, and then while guaranteeing mandrel Part I and Part II with vehicle body installation, the corresponding increase of hard spot coordinate of its attachment point, and then the trim center of improving vehicle, the height at the trim center of vehicle is directly proportional to the antidive amount of vehicle, therefore the trim center height of vehicle increases and then increases the antidive amount of vehicle, guarantee the traveling comfort of vehicle.
Further, described in irs control arm eccentric sleeve of the present invention, the core of mandrel is a cylinder;
From free end toward mandrel core, first horizontal-extending rear-inclined upwards extends the upper surface of described mandrel Part I, the lower surface of described mandrel Part I from free end toward mandrel core first horizontal-extending rear-inclined to downward-extension;
From free end toward mandrel core, first horizontal-extending rear-inclined upwards extends the upper surface of described mandrel Part II, the lower surface of described mandrel Part II from free end toward mandrel core first horizontal-extending rear-inclined to downward-extension.
The Part I of mandrel and the existing plane of the upper surface of Part II have again dip plane, and planar section is convenient to be connected with vehicle body, and dip plane part improves the intensity of planar section and mandrel core junction.
Further, the height of the upper surface of mandrel Part I and Part II described in irs control arm eccentric sleeve of the present invention is less than or equal to the height of mandrel core axial line.
Such scheme has improved the hard spot coordinate of lining and vehicle body attachment point further, and then again improves the antidive amount of vehicle, and the traveling comfort of vehicle further improves.
Further, the rubber bodies described in irs control arm eccentric sleeve of the present invention is on cylinder and side face, axially to offer at least one groove.
Described groove has reduced the rigidity of the junction of rubber bodies and outer tube.
Further, described in irs control arm eccentric sleeve of the present invention, outer tube is pipe, and described outer tube has identical axle center with described rubber bodies.
Described outer tube has identical axle center with described rubber bodies and guarantees that its manufacturing process is comparatively simple.
Further, described in irs control arm eccentric sleeve of the present invention, the length of mandrel Part I is identical with the length of mandrel Part II.
Make Part I and Part II about core symmetry, entirety is balance comparatively.
Further, the Part I of mandrel and the thickness of Part II described in irs control arm eccentric sleeve of the present invention be more than or equal to mandrel core thickness 1/4th.
Adopt such scheme to guarantee the intensity of mandrel Part I and Part II, while avoiding being connected with vehicle body, rupture.
Further, in irs control arm eccentric sleeve of the present invention, the lower surface of mandrel Part I and Part II is more than or equal to 1/4th of mandrel core thickness to the distance of the axial line of mandrel core and the upper surface of mandrel Part I and Part II to the difference of the distance of the axial line of mandrel core, and is less than or equal to 1/2nd of mandrel core thickness.
Such scheme has guaranteed again the installation strength of mandrel when improving lining and vehicle body attachment point hard spot coordinate.
The problem existing for the prior art in above-mentioned background technology, the present invention also provides a kind of vehicle rear suspension control arm assembly, comprises the first Control arm, the second Control arm, the first eccentric sleeve and the second eccentric sleeve; It is characterized in that, described the first eccentric sleeve and the second eccentric sleeve are irs control arm eccentric sleeve described above, and the outer tube of described the first eccentric sleeve and the second eccentric sleeve is connected with the second Control arm with the first Control arm respectively.
With in prior art " when mandrel is laterally placed, the upper surface of mandrel Part I and Part II equals the lower surface of mandrel Part I and Part II to the distance of the axial line of core to the distance of the axial line of core " scheme compare, the Part I of mandrel of the present invention and the lower surface of Part II are greater than the upper surface of Part I and Part II to the distance of the axial line of core to the distance of the axial line of core, mandrel is occurred eccentric, and then while guaranteeing mandrel Part I and Part II with vehicle body installation, the corresponding increase of hard spot coordinate of its attachment point, and then the trim center of improving vehicle, the height at the trim center of vehicle is directly proportional to the antidive amount of vehicle, therefore the trim center height of vehicle increases and then increases the antidive amount of vehicle, guarantee the traveling comfort of vehicle.
Accompanying drawing explanation
The irs control arm bush structure schematic diagram of Fig. 1 prior art.
The structural representation of the mandrel of the Suspension control arm bush of Fig. 2 prior art.
The C direction view of Suspension control arm bush shown in Fig. 1 of Fig. 3 prior art.
Fig. 4 irs control arm bush structure provided by the invention schematic diagram.
The structural representation of the mandrel of Fig. 5 Suspension control arm bush provided by the invention.
The B direction view of Suspension control arm bush shown in Fig. 6 Fig. 4 provided by the invention.
Fig. 7 vehicle rear suspension control arm provided by the invention assembly structure schematic diagram.
Wherein, 1, outer tube; 2, rubber bodies; 3, mandrel; 4, the core of mandrel; 5, the Part I of mandrel; 6, the Part II of mandrel; 7, the upper surface of mandrel Part I; 8, the upper surface of mandrel Part II; 9, the connecting bore on mandrel Part I and Part II; 10, the axial line of mandrel core; 11, the lower surface of mandrel Part II; 12, the groove in rubber bodies; 13, the first Control arm; 14, the second Control arm; 15, the first eccentric sleeve; 16, the second eccentric sleeve.
The specific embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In description of the invention, it will be appreciated that, term " thickness ", " on ", orientation or the position relationship of the indication such as D score, " level ", " inclination " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.
By the following examples the present invention is further detailed.
The present embodiment is used for illustrating irs control arm eccentric sleeve disclosed by the invention, and as shown in Figure 4, Figure 5 and Figure 6, described irs control arm eccentric sleeve comprises mandrel 3, is provided with rubber bodies 2 and the outer tube 1 of through hole; Described mandrel 3 is connected with rubber bodies through the through hole of rubber bodies 2 and rubber bodies 2 is stretched out at the two ends of mandrel, and described rubber bodies 2 is arranged in outer tube 1 and is connected with outer tube 1; Described mandrel comprises core 4, the Part I 5 being connected with core first end and the Part II 6 being connected with core the second end, described core 4 is positioned at the through hole of rubber bodies, is all provided with connecting bore 9 and Part I and Part II and is positioned at outside rubber bodies on described Part I 5 and Part II 6
;the upper surface of described Part I and Part II is for coordinating with vehicle body attachment face, and when mandrel is laterally placed, the lower surface of described Part I 5 and Part II 6 is greater than the upper surface of Part I 5 and Part II 6 to the distance of the axial line of core 4 to the distance of the axial line of core 4.
Rubber bodies described in the present embodiment is connected with the sulfuration that is connected to of outer tube, and rubber bodies is also sulfuration connection with being connected of mandrel, and described outer tube is hollow cylindrical tube, and rubber bodies is also cylindrical rubber body, and outer tube and rubber bodies fitness are higher like this, connect more firm, when the mandrel of Control arm eccentric sleeve of the present invention is laterally placed, the lower surface of described Part I 5 and Part II 6 is greater than the upper surface of Part I 5 and Part II 6 to the distance of the axial line of core 4 to the distance of the axial line of core 4, the technical scheme of " upper surface of mandrel Part I and Part II equals the lower surface of mandrel Part I and Part II to the distance of the axial line of core to the distance of the axial line of core " in relatively above-mentioned prior art, it is eccentric to there is mandrel in eccentric sleeve of the present invention, and then after the upper surface that guarantees mandrel Part I and Part II is connected with vehicle body attachment face, the hard spot coordinate of lining and vehicle body attachment face junction raises, the corresponding raising in trim center of vehicle, and then the antidive amount of raising rear suspension.
In addition in order to guarantee the intensity of Part I and Part II of mandrel, as shown in Figure 5, from free end toward mandrel core, first horizontal-extending rear-inclined upwards extends the upper surface 7 of described mandrel Part I, the lower surface of described mandrel Part I from free end toward mandrel core first horizontal-extending rear-inclined to downward-extension; From free end toward mandrel core, first horizontal-extending rear-inclined upwards extends the upper surface 8 of described mandrel Part II, the lower surface of described mandrel Part II from free end toward mandrel core first horizontal-extending rear-inclined to downward-extension; In the time that mandrel is laterally placed, the upper surface of mandrel Part I has identical height with the upper surface of mandrel Part II in addition, and the same lower surface of mandrel Part I and the lower surface of mandrel Part II also have identical height; The length of described mandrel Part I is also identical with the length of mandrel Part II in addition.
Further, consider the big or small impact of hard spot coordinate of mandrel on lining and vehicle body attachment point and the problem of the intensity of mandrel Part I and Part II, invention technician finds an equilibrium point through test of many times between the size of the hard spot coordinate of lining and vehicle body installation place and mandrel Part I and the intensity of Part II, the upper level of described mandrel Part I and Part II is designed to be equal to or slightly less than to the height of mandrel core axial line 10, the mandrel of selecting guarantees that the lower surface of its Part I and Part II is more than or equal to 1/4th of mandrel core thickness to the distance of the axial line of mandrel core and the upper surface of mandrel Part I and Part II to the difference of the distance of the axial line of mandrel core, and be less than or equal to 1/2nd of mandrel core thickness, be specifically as follows 1/4th, 1/3rd and 1/2nd, improve like this hard spot coordinate of lining and vehicle body attachment point, corresponding the raising in trim center of vehicle, improve the antidive amount of vehicle, also guarantee the intensity of mandrel Part I and Part II simultaneously, while avoiding mandrel Part I and Part II and vehicle body attachment face to fix, occur insufficient strength and rupture.
As shown in Figure 4, in order to alleviate the rigidity of rubber bodies, therefore described rubber bodies is on cylinder and side face, axially to offer at least one groove 12, and the groove 12 of the present embodiment is two, and two grooves are about the core symmetry of mandrel.
Further, outer tube described in the present invention has identical axle center with described rubber bodies; Described in the present embodiment, mandrel 3 forms by milling.
The present embodiment is used for illustrating that the present invention discloses a kind of vehicle rear suspension control arm assembly, as shown in Figure 7, shown in vehicle rear suspension control arm assembly comprise the first Control arm 13, the second Control arm 14, the first eccentric sleeves 15 and the second eccentric sleeves 16; Described the first eccentric sleeve and the second eccentric sleeve all comprise mandrel 3, be provided with rubber bodies 3 and the outer tube 1 of through hole, the outer tube of described the first eccentric sleeve and the second eccentric sleeve is connected with the second Control arm 14 with the first Control arm 13 respectively, and the first eccentric sleeve described in the present embodiment is identical with the eccentric sleeve in embodiment 1 with the second eccentric sleeve.
One end of the first Control arm described in the present embodiment and the second Control arm is socketed on the outer tube of described eccentric sleeve, the first Control arm is connected steering swivel with the other end of the second Control arm, wherein in the Part I of mandrel and the connecting bore of Part II with bolt, bolt is by the bottom surface of the fixing vehicle body of the Part I of mandrel and Part II (vehicle body attachment face).
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
In embodiments of the invention 1 and enforcement 2, the technical characterictic of each technical scheme, not conflicting in the situation that, can be used in combination mutually, and the technical scheme drawing after being used in combination is within protection scope of the present invention.
Claims (9)
1. an irs control arm eccentric sleeve, is characterized in that, comprises mandrel, is provided with rubber bodies and the outer tube of through hole;
Described mandrel is connected with rubber bodies through the through hole of rubber bodies and rubber bodies is stretched out at the two ends of mandrel, and described rubber bodies is arranged in outer tube and is connected with outer tube;
Described mandrel comprises core, the Part I being connected with core first end and the Part II being connected with core the second end, described core is positioned at the through hole of rubber bodies, is all provided with connecting bore and Part I and Part II and is positioned at outside rubber bodies on described Part I and Part II;
The upper surface of described Part I and Part II is for coordinating with vehicle body attachment face, and when mandrel is laterally placed, the lower surface of described Part I and Part II is greater than the upper surface of Part I and Part II to the distance of the axial line of core to the distance of the axial line of core.
2. irs control arm eccentric sleeve according to claim 1, is characterized in that, the core of described mandrel is a cylinder;
From free end toward mandrel core, first horizontal-extending rear-inclined upwards extends the upper surface of described mandrel Part I, the lower surface of described mandrel Part I from free end toward mandrel core first horizontal-extending rear-inclined to downward-extension;
From free end toward mandrel core, first horizontal-extending rear-inclined upwards extends the upper surface of described mandrel Part II, the lower surface of described mandrel Part II from free end toward mandrel core first horizontal-extending rear-inclined to downward-extension.
3. irs control arm eccentric sleeve according to claim 1, is characterized in that, the height of the upper surface of described mandrel Part I and Part II is less than or equal to the height of mandrel core axial line.
4. irs control arm eccentric sleeve according to claim 1, is characterized in that, described rubber bodies is on cylinder and side face, axially to offer at least one groove.
5. irs control arm eccentric sleeve according to claim 4, is characterized in that, described outer tube is pipe, and described outer tube has identical axle center with described rubber bodies.
6. irs control arm eccentric sleeve according to claim 1, is characterized in that, the length of described mandrel Part I is identical with the length of mandrel Part II.
7. according to the irs control arm eccentric sleeve described in claim 1 or 3, it is characterized in that, the Part I of described mandrel and the thickness of Part II be more than or equal to mandrel core thickness 1/4th.
8. irs control arm eccentric sleeve according to claim 7, it is characterized in that, the lower surface of mandrel Part I and Part II is more than or equal to 1/4th of mandrel core thickness to the distance of the axial line of mandrel core and the upper surface of mandrel Part I and Part II to the difference of the distance of the axial line of mandrel core, and is less than or equal to 1/2nd of mandrel core thickness.
9. a vehicle rear suspension control arm assembly, is characterized in that, comprises the first Control arm, the second Control arm, the first eccentric sleeve and the second eccentric sleeve; It is characterized in that, the irs control arm eccentric sleeve described in any one that described the first eccentric sleeve and the second eccentric sleeve are claim 1 to 8, the outer tube of described the first eccentric sleeve and the second eccentric sleeve is connected with the second Control arm with the first Control arm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529927.5A CN103863036B (en) | 2012-12-11 | 2012-12-11 | A kind of irs control arm eccentric sleeve and vehicle rear suspension Control arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529927.5A CN103863036B (en) | 2012-12-11 | 2012-12-11 | A kind of irs control arm eccentric sleeve and vehicle rear suspension Control arm assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103863036A true CN103863036A (en) | 2014-06-18 |
| CN103863036B CN103863036B (en) | 2015-12-16 |
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| CN201210529927.5A Active CN103863036B (en) | 2012-12-11 | 2012-12-11 | A kind of irs control arm eccentric sleeve and vehicle rear suspension Control arm assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930098A (en) * | 2015-06-12 | 2015-09-23 | 苏州纽东精密制造科技有限公司 | Shock absorbing sleeve |
| CN105437897A (en) * | 2014-08-18 | 2016-03-30 | 陕西重型汽车有限公司 | Vehicle thrust rod assembly, adjusting method thereof and vehicle suspension mechanism |
| US9649902B2 (en) | 2015-05-22 | 2017-05-16 | Fca Us Llc | Link assembly for longitudinal arm vehicle suspension |
| CN112124425A (en) * | 2020-10-10 | 2020-12-25 | 安徽江淮汽车集团股份有限公司 | Wheel caster angle adjusts structure, suspension and vehicle |
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| EP0503687A2 (en) * | 1987-07-23 | 1992-09-16 | Firma Carl Freudenberg | Bushing-type rubber spring |
| US6430774B1 (en) * | 1999-07-02 | 2002-08-13 | The Pullman Company | Crimped bushing |
| CN201626272U (en) * | 2010-01-19 | 2010-11-10 | 杨位杯 | Rubber bush assembly with upper sphere bowl |
| WO2011062897A2 (en) * | 2009-11-17 | 2011-05-26 | The Pullman Company | Confined heavy duty bushing for high load applications |
| CN201872560U (en) * | 2010-11-26 | 2011-06-22 | 十堰风神汽车橡塑制品有限公司 | Rubber bushing for thrust rod |
| CN203032322U (en) * | 2012-12-11 | 2013-07-03 | 广州汽车集团股份有限公司 | Suspension control arm eccentric sleeve and vehicle rear suspension control arm assembly |
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2012
- 2012-12-11 CN CN201210529927.5A patent/CN103863036B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0503687A2 (en) * | 1987-07-23 | 1992-09-16 | Firma Carl Freudenberg | Bushing-type rubber spring |
| US6430774B1 (en) * | 1999-07-02 | 2002-08-13 | The Pullman Company | Crimped bushing |
| WO2011062897A2 (en) * | 2009-11-17 | 2011-05-26 | The Pullman Company | Confined heavy duty bushing for high load applications |
| CN201626272U (en) * | 2010-01-19 | 2010-11-10 | 杨位杯 | Rubber bush assembly with upper sphere bowl |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437897A (en) * | 2014-08-18 | 2016-03-30 | 陕西重型汽车有限公司 | Vehicle thrust rod assembly, adjusting method thereof and vehicle suspension mechanism |
| CN105437897B (en) * | 2014-08-18 | 2019-04-23 | 陕西重型汽车有限公司 | Automobile-used distance rod assembly and its adjusting method, automotive suspension mechanism |
| US9649902B2 (en) | 2015-05-22 | 2017-05-16 | Fca Us Llc | Link assembly for longitudinal arm vehicle suspension |
| CN104930098A (en) * | 2015-06-12 | 2015-09-23 | 苏州纽东精密制造科技有限公司 | Shock absorbing sleeve |
| CN112124425A (en) * | 2020-10-10 | 2020-12-25 | 安徽江淮汽车集团股份有限公司 | Wheel caster angle adjusts structure, suspension and vehicle |
| CN112124425B (en) * | 2020-10-10 | 2021-09-28 | 安徽江淮汽车集团股份有限公司 | Wheel caster angle adjusts structure, suspension and vehicle |
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|---|---|
| CN103863036B (en) | 2015-12-16 |
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