CN203730648U - Hydraulic bush for automobile suspension system guide device and automobile - Google Patents
Hydraulic bush for automobile suspension system guide device and automobile Download PDFInfo
- Publication number
- CN203730648U CN203730648U CN201420115735.4U CN201420115735U CN203730648U CN 203730648 U CN203730648 U CN 203730648U CN 201420115735 U CN201420115735 U CN 201420115735U CN 203730648 U CN203730648 U CN 203730648U
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- primary elastomeric
- liquid chamber
- elastomeric body
- hydraulic bushing
- rubber body
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Abstract
The utility model provides a hydraulic bush for an automobile suspension system guide device and an automobile. The hydraulic bush comprises an inner pipe, a main rubber body, at least one inner framework, a first flow channel plate, a second flow channel plate, a first liquid chamber, a second liquid chamber, a liquid channel groove and a viscous liquid, wherein the main rubber body is coated on the outer edge of the inner pipe; the inner framework is arranged in the middle of the main rubber body, and is fixedly connected with the main rubber body; the first flow channel plate and the second rubber plate are arranged on the outer side of the main rubber body; the first liquid chamber is formed between the main rubber body and the first flow channel plate; the second liquid chamber is formed between the main rubber body and the second flow channel plate; the liquid channel groove is formed between the first liquid chamber and the second liquid chamber, and is used for communicating liquid flow in the first liquid chamber and the second liquid chamber; the first liquid chamber, the second liquid chamber and the liquid channel groove are filled with the viscous liquid. By implementing the embodiment of the utility model, the hydraulic bush is small in occupied space.
Description
Technical field
The utility model relates to automobile technical field, relates in particular to a kind of hydraulic bushing for automobile suspension system guiding device and automobile.
Background technique
At present, hydraulic bushing used in the guiding device of automobile suspension system is generally rubber bushing, the articulating point being connected with vehicle body as control arm in guiding device or track bar.Rubber bushing is good with its anti-vibration performance, has the advantages such as desired elastic characteristic and Decay Rate, has become indispensable critical elements on automobile.And rubber bushing of the prior art is generally integral rubber lining, its shortcoming is that dynamic elasticity rigidity is low, and retardation angle is generally below 10 °, and its creep properties and Decay Rate are poor, is unfavorable for the quick decay of vibration.Therefore, industry has been researched and developed hydraulic bushing structure, and object is to provide large time delay angle (>=20 °), brings high attenuation performance, to guarantee that car load has good control stability and smoothness.
The hydraulic bushing of applying in automobile suspension system guiding device has two kinds of basic structural types: axialmode hydraulic bushing and radial mode hydraulic bushing.But no matter axialmode or radial mode hydraulic bushing, the sealing liquid form of these two kinds of main flow project organizations is all more complicated, all by be provided with an outer tube in inner tube fit on, outer tube and inner tube all need to be fixed together by sulfuration with primary elastomeric body, thereby it is larger to cause lining to take up room, more than general external diameter will reach 80mm, the hydraulic bushing that herein needs during car load design to have enough space guarantee cloth to deposit this size and without interfering risk.
Model utility content
The utility model embodiment technical problem to be solved is, a kind of little hydraulic bushing for automobile suspension system guiding device and automobile of taking up room is provided.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of hydraulic bushing for automobile suspension system guiding device, comprising:
Inner tube;
Be coated on the primary elastomeric body of described inner tube outer rim;
At least one inner frame that is arranged at described primary elastomeric body centre and is fixed together with described primary elastomeric body;
Be arranged at first-class guidance tape and the second guidance tape of the external side of described primary elastomeric;
Be formed at the first liquid chamber between described primary elastomeric body and described first-class guidance tape and be formed at described primary elastomeric body and described second guidance tape between the second liquid chamber;
Be arranged between described the first liquid chamber and the second liquid chamber and the two fluid passage groove of conducting; And
Mobile viscous liquid in described the first liquid chamber, the second liquid chamber and fluid passage groove.
Wherein, described first-class guidance tape and second guidance tape are all the round and smooth intermediate projections shape in both sides towards the one side of described primary elastomeric body, and the part of the corresponding described first-class guidance tape of described primary elastomeric body and second guidance tape is all the shape of caving in towards described inner tube.
Wherein, the diapire of described the first liquid chamber and the second liquid chamber is plane, and sidewall is continuous fluctuating smooth surface and forms a plurality of bends.
Wherein, the two ends of described primary elastomeric body on described inner tube is axial are formed with the first fitting recess and the second fitting recess; Described hydraulic bushing also comprises the first rubber body and the second rubber body, after described the first rubber body is assemblied in described the first fitting recess, and between described primary elastomeric body, form the first rigidity and adjust chamber, after described the second rubber body is assemblied in described the second fitting recess, and between described primary elastomeric body, form the second rigidity adjustment chamber.
Wherein, described hydraulic bushing also comprises metal baffle, and it is connected with one end of described the first rubber body, and can seal described the first fitting recess; Described the second rubber body is arranged in the plane of automobile control arm or with a metal baffle and is connected in one end of described the first rubber body dorsad.
Wherein, in described primary elastomeric axon upwards, the volume that described the first rigidity is adjusted chamber is less than the volume that described the second rigidity is adjusted chamber; And described the first rubber body and described the second rubber body take perpendicular to described primary elastomeric axon to central shaft be that symmetry axis is symmetrical, described the first rubber body and the length of described the second rubber body addition are less than half of described primary elastomeric body axial overall length.
Wherein, described primary elastomeric body is all formed with two boss in described the first fitting recess and described the second fitting recess, and described two boss are yi word pattern setting along described inner tube outer rim, and have equal radian; The span of described radian is between 30 degree to 60 degree.
Wherein, described primary elastomeric body is provided with at least one seal ring at described the first liquid chamber and described the second liquid chamber side.
Wherein, the groove width that described fluid passage groove makes progress in described primary elastomeric axon is of a size of 3 times of the groove depth size that makes progress in described primary elastomeric body footpath.
The utility model embodiment also provides a kind of automobile, comprises described hydraulic bushing.
Implement the utility model embodiment, there is following beneficial effect:
Hydraulic bushing sealing liquid form is relatively simple, is different from existing hydraulic bushing, has cancelled outer tube structure, directly by interference fit, is pressed into the assembly connection completing in outside support with vehicle body.And cancelled the larger outer tube structure of rigidity owing to adopting runner plate, therefore can reduce the volume of primary elastomeric body diametrically, can reach whole hydraulic bushing for the make progress requirement of rigidity of footpath, reducing due to hydraulic bushing outside dimension simultaneously, just be suitable for design space limited but require to possess the automotive suspension of hydraulic bushing premium properties, can accomplishing that diameter is no more than 60mm.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, the accompanying drawing that obtains other according to these accompanying drawings still belongs to category of the present utility model.
Fig. 1 is the structural representation of axialmode hydraulic bushing;
Fig. 2 is the structural representation of radial mode hydraulic bushing;
The plan view of the hydraulic bushing for automobile suspension system guiding device that Fig. 3 provides for the utility model embodiment one;
The partial structurtes stereogram at the hydraulic bushing top for automobile suspension system guiding device that Fig. 4 provides for the utility model embodiment one;
Fig. 5 is that the A-A of Fig. 3 is to sectional view;
Fig. 6 is that the B-B of Fig. 3 is to sectional view.
Wherein: 1 ＇-inner tube, 11 ＇-outer tube, 12 ＇-nylon ring, 2 ＇-primary elastomeric body, 3 ＇-inner frame, 51 ＇-the first liquid chambers, 52 ＇-the second liquid chambers, 1-inner tube, 2-primary elastomeric body, 3-inner frame, the first-class guidance tape of 41-, 42-second guidance tape, 51-the first liquid chamber, 52-the second liquid chamber, 6-fluid passage groove, 71-the first fitting recess, 72-the second fitting recess, 81-the first rubber body, 82-the second rubber body, 9-metal baffle, 10-seal ring, 13-boss.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
The direction that the utility model is mentioned and position term, such as " on ", D score, 'fornt', 'back', " left side ", " right side ", " interior ", " outward ", " top ", " bottom ", " side " etc., be only direction or the position with reference to accompanying drawing.Therefore, the direction of use and position term are in order to explanation and understand the utility model, but not restriction to the utility model protection domain.
Please refer to Fig. 1, inventor finds that the structural feature of axialmode hydraulic bushing is that cavity is designed with two liquid chamber 51 ＇, 52 ＇ vertically, and when being subject to axial force, liquid axially flows along hydraulic bushing between the first liquid chamber 51 ＇ and the second liquid chamber 52 ＇.Its working principle is: when hydraulic bushing is in axial direction subject to the excitation of low frequency, large amplitude, can axially provide larger damping, thereby decay is because the imbalance excitation of road surface or wheel is delivered to the dynamic force of vehicle body by suspension, reduces body vibrations.
Please refer to Fig. 2, inventor also finds that the structure of radial mode hydraulic bushing is just in time contrary with axialmode, cavity is that radially circumferencial direction is designed with two liquid chamber 51 ＇, 52 ＇ equally, and when being subject to radial force, liquid radially flows along hydraulic bushing between the first liquid chamber 51 ＇ and the second liquid chamber 52 ＇.Its working principle is: when hydraulic bushing is subject to low frequency, the large amplitude excitation of radial direction, can radially provide large damping vibration attenuation body vibrations.
In order to retain on the basis of the large damping vibration attenuation body vibrations of hydraulic bushing function, make the sealing liquid form of these two kinds of main flow project organizations simpler, and structure takes up room little, inventor provides a kind of new hydraulic bushing for automobile suspension system guiding device, as shown in Figures 3 to 6, in the utility model embodiment, the hydraulic bushing for automobile suspension system guiding device, comprising:
Inner tube 1;
Be coated on the primary elastomeric body 2 of inner tube 1 outer rim;
At least one inner frame 3 that is arranged at primary elastomeric body 2 centres and is fixed together with primary elastomeric body 2;
Be arranged at first-class guidance tape 41 and the second guidance tape 42 in primary elastomeric body 2 outsides;
Be formed at the first liquid chamber 51 between primary elastomeric body 2 and first-class guidance tape 41 and be formed at primary elastomeric body 2 and second guidance tape 42 between the second liquid chamber 52;
Be arranged between the first liquid chamber 51 and the second liquid chamber 52 and the two fluid passage groove 6 of conducting; And
At the first liquid chamber 51, the second liquid chamber 52 and the interior mobile viscous liquid of fluid passage groove 6.
Further, first-class guidance tape 41 and second guidance tape 42 are all the structure of intermediate projections towards the one side of primary elastomeric body 2, the part of the corresponding first-class guidance tape 41 of primary elastomeric body 2 and second guidance tape 42 is all the shape of caving in towards inner tube 1, make first-class guidance tape 41 and second guidance tape 42 all be formed with a plurality of bends with the first liquid chamber 51 and the second liquid chamber 52 that primary elastomeric body 2 forms respectively, wherein, the diapire of the first liquid chamber 51 and the second liquid chamber 52 is plane, sidewall is continuous fluctuating smooth surface and forms a plurality of bends, thereby lengthened the flow path of the liquid in two liquid chambers, increase the damping of hydraulic bushing.
Further, the two ends of primary elastomeric body 2 on inner tube 1 is axial form respectively the first fitting recess 71 and the second fitting recess 72, wherein the first fitting recess 71 is positioned at the top of primary elastomeric body 2, there is the first assembling inclined-plane, the second fitting recess 72 is positioned at the bottom of primary elastomeric body 2, similarly, there is the second assembling inclined-plane.
Hydraulic bushing also comprises the first rubber body 81 and the second rubber body 82.When the first rubber body 81 and the first fitting recess 71 assembling, the first rubber body 81 can slip in the first fitting recess 71 along the first assembling inclined-plane; When the first rubber body 81 need to be dismantled from the first fitting recess 71, the first rubber body 81 can skid off along the first assembling inclined-plane.Due to the setting on the first assembling inclined-plane, the first rubber body 81 and the first fitting recess 71 are assembled up lighter, convenient.The first rubber body 81 be assemblied in the first fitting recess 71 interior after, fit tightly with the first assembling inclined-plane, between the first rubber body 81 and primary elastomeric body 2, form the first rigidity and adjust chamber.
When the second rubber body 82 and the second fitting recess 72 assembling, the second rubber body 82 can slip in the second fitting recess 72 along the second assembling inclined-plane; When the second rubber body 82 need to be dismantled from the second fitting recess 72, the second rubber body 82 can skid off along the second assembling inclined-plane.Because also there is the assembling that has facilitated the second rubber body 82 and the second fitting recess 72 on the second assembling inclined-plane.The second rubber body 82 be assemblied in the second fitting recess 72 interior after, fit tightly with the second assembling inclined-plane, between the second rubber body 82 and primary elastomeric body 2, form the second rigidity and adjust chamber.
Above-mentioned the first rigidity adjusts chamber and the second rigidity adjustment chamber is all filled with air.Therefore, can adjust the size that chamber and inner frame 3 are adjusted in chamber, the second rigidity by primary elastomeric body 2, the first rubber body 81, the second rubber body 82, the first rigidity are set, freely design the shape of whole support rubber in hydraulic bushing and adjust hydraulic bushing in the ratio of rigidity of three directions (axially, radially and torsional direction).
Further, one end of the first rubber body 81 is connected with metal baffle 9, can seal the first fitting recess 91, because rubber modulus is less than metal, after the first rubber body 81 is stressed, can produce larger resiliently deformable, therefore metal baffle 9 both played axial limiting effect to hydraulic bushing, and support loading makes hydraulic bushing stressed evenly again.
Same, the second rubber body 82 can be as the first rubber body 81, it can connect a metal baffle (role is the same with the metal baffle 9 that the first rubber body 81 connects) in one end of the first rubber body 81 dorsad, also can be directly installed in the plane of automobile control arm, the effect of control arm plane is just equivalent to the effect of baffle plate in such cases, exerts all one's strength and is evenly distributed in the plane that control arm contacts with hydraulic bushing.
Further, on primary elastomeric body 2 is axial, the volume that the first rigidity is adjusted chamber is less than the volume that the second rigidity is adjusted chamber, can realize and adjust hydraulic bushing rigidity in the axial direction; On primary elastomeric body 2 is axial, it is symmetry axis symmetry that the first rubber body 81 and the second rubber body 82 be take perpendicular to the axial central shaft of primary elastomeric body 2, and the length that the first rubber body 81 and the second rubber body 82 are added is less than primary elastomeric body 2 axial overall length half, can realize too and adjust hydraulic bushing rigidity in the axial direction.In like manner, also can realize and adjust hydraulic bushing rigidity diametrically by similarity method.
Please be simultaneously in conjunction with shown in Fig. 3 and Fig. 4, further, primary elastomeric body 2 is respectively formed with pair of projections 13 in the first fitting recess 71 and the second fitting recess 72, every pair of projections 13 is along inner tube 1 outer rim setting, the two centerline collineation diametrically, and there is equal radian a, to change torsional direction rigidity, adjust hydraulic bushing in the rigidity of torsional direction.Wherein, the span of radian is between 30 degree to 60 degree.Incorporated by reference to the A-A shown in Fig. 3, analyse and observe direction and B-B analyses and observe direction, the height of the primary elastomeric body 2 in Fig. 4 on above-mentioned both direction is different, and therefore the first rubber body 81 and the second rubber body 82 can be subject to the restriction of the boss 13 on primary elastomeric body 2 at torsional direction.Figure 3 shows that example, radian b corresponds to for assembling the first fitting recess 71 of the first rubber body 81, and the ratio of radian a and radian b is between 30:150 to 60:120.In the present embodiment, radian a is 45:135 with the ratio of radian b.
Further, primary elastomeric body 2 is provided with at least one seal ring 10 in the first liquid chamber 51 and the second liquid chamber 52 sides and further guarantees sealing liquid effect.
Further, at primary elastomeric body 2, the groove width on is axially of a size of 3 times of the groove depth size that makes progress in primary elastomeric body 2 footpaths to fluid passage groove 6.
Further, primary elastomeric body 2 is fixed together by sulfuration process with inner frame 3.
The working principle of hydraulic bushing of the present utility model is: adopt inclosure viscosity or high viscosity liquid in rubber bushing, the damping producing while utilizing fluid to pass through runner increases the damping of lining, large time delay angle (>=20 °) is provided, make lining there is the low and high attenuation performance of dynamic elasticity rigidity, can guarantee that car load has good control stability and smoothness.When hydraulic bushing is subject to P to load (as shown in Figure 5), viscous liquid (as ethylene glycol etc.) by fluid passage groove 6, constantly between the first liquid chamber 51 and the second liquid chamber 52, flowing back and forth produces damping, damping coefficient is increased, when needs strengthen this effect, can enclose the more liquid of high viscosity.
The hydraulic bushing for automobile suspension system guiding device corresponding to the utility model embodiment one, the utility model embodiment two provides a kind of automobile, have the hydraulic bushing described in the utility model embodiment one, the formation of this hydraulic bushing and annexation etc. repeat no more herein.
Implement the utility model embodiment, there is following beneficial effect:
Hydraulic bushing sealing liquid form is relatively simple, is different from existing hydraulic bushing, has cancelled outer tube structure, directly by interference fit, is pressed into the assembly connection completing in outside support with vehicle body.And cancelled the larger outer tube structure of rigidity owing to adopting runner plate, therefore can reduce the volume of primary elastomeric body diametrically, can reach whole hydraulic bushing for the make progress requirement of rigidity of footpath, reducing due to hydraulic bushing outside dimension simultaneously, just be suitable for design space limited but require to possess the automotive suspension of hydraulic bushing premium properties, can accomplishing that diameter is no more than 60mm.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (10)
1. for a hydraulic bushing for automobile suspension system guiding device, it is characterized in that, comprising:
Inner tube (1);
Be coated on the primary elastomeric body (2) of described inner tube (1) outer rim;
At least one inner frame (3) that is arranged at described primary elastomeric body (2) centre and is fixed together with described primary elastomeric body (2);
Be arranged at first-class guidance tape (41) and the second guidance tape (42) in described primary elastomeric body (2) outside;
Be formed at the first liquid chamber (51) between described primary elastomeric body (2) and described first-class guidance tape (41), and be formed at the second liquid chamber (52) between described primary elastomeric body (2) and described second guidance tape (42);
Be arranged between described the first liquid chamber (51) and the second liquid chamber (52) and the two fluid passage groove (6) of conducting; And
In described the first liquid chamber (51), the second liquid chamber (52) and fluid passage groove (6), be filled with viscous liquid.
2. hydraulic bushing as claimed in claim 1, it is characterized in that, described first-class guidance tape (41) and second guidance tape (42) are all intermediate projections shape towards the one side of described primary elastomeric body (2), and the part of the corresponding described first-class guidance tape (41) of described primary elastomeric body (2) and second guidance tape (42) is all the shape of caving in towards described inner tube (1).
3. hydraulic bushing as claimed in claim 2, is characterized in that, the diapire of described the first liquid chamber (51) and the second liquid chamber (52) is plane, and sidewall is continuous fluctuating smooth surface and forms a plurality of bends.
4. hydraulic bushing as claimed in claim 1, is characterized in that, the two ends of described primary elastomeric body (2) on described inner tube (1) is axial are formed with the first fitting recess (71) and the second fitting recess (72); Described hydraulic bushing also comprises the first rubber body (81) and the second rubber body (82), after described the first rubber body (81) is assemblied in described the first fitting recess (71), and between described primary elastomeric body (2), form the first rigidity and adjust chamber, after described the second rubber body (82) is assemblied in described the second fitting recess (72), and between described primary elastomeric body (2), form the second rigidity adjustment chamber.
5. hydraulic bushing as claimed in claim 4, is characterized in that, described hydraulic bushing also comprises metal baffle (9), and it is connected with one end of described the first rubber body (81), and seals described the first fitting recess (71); Described the second rubber body (82) dorsad one end of described the first rubber body (81) is arranged in the plane of automobile control arm or is connected with a metal baffle.
6. hydraulic bushing as claimed in claim 4, is characterized in that, at described primary elastomeric body (2), axially goes up, and the volume that described the first rigidity is adjusted chamber is less than the volume that described the second rigidity is adjusted chamber; And it is symmetry axis symmetry that described the first rubber body (81) be take perpendicular to the axial central shaft of described primary elastomeric body (2) with described the second rubber body (82), the length that described the first rubber body (81) and described the second rubber body (82) are added is less than half of described primary elastomeric body (2) axial overall length.
7. hydraulic bushing as claimed in claim 4, it is characterized in that, described primary elastomeric body (2) is all formed with two boss (13) in described the first fitting recess (71) and described the second fitting recess (72), described two boss (13) are yi word pattern setting along described inner tube (1) outer rim, and have equal radian, the span of described radian is between 30 degree to 60 degree.
8. hydraulic bushing as claimed in claim 1, is characterized in that, described primary elastomeric body (2) is provided with at least one seal ring (10) at described the first liquid chamber (51) and described the second liquid chamber (52) side.
9. hydraulic bushing as claimed in claim 1, is characterized in that, at described primary elastomeric body (2), the groove width on is axially of a size of 3 times of the groove depth size that makes progress in described primary elastomeric body (2) footpath to described fluid passage groove (6).
10. an automobile, is characterized in that, comprises the hydraulic bushing described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115735.4U CN203730648U (en) | 2014-03-14 | 2014-03-14 | Hydraulic bush for automobile suspension system guide device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115735.4U CN203730648U (en) | 2014-03-14 | 2014-03-14 | Hydraulic bush for automobile suspension system guide device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730648U true CN203730648U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420115735.4U Expired - Fee Related CN203730648U (en) | 2014-03-14 | 2014-03-14 | Hydraulic bush for automobile suspension system guide device and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912995A (en) * | 2014-03-14 | 2015-09-16 | 广州汽车集团股份有限公司 | Hydraulic bushing in vehicle suspension system guide device and vehicle |
| CN110185735A (en) * | 2019-05-17 | 2019-08-30 | 株洲时代新材料科技股份有限公司 | A kind of liquid composite bush |
-
2014
- 2014-03-14 CN CN201420115735.4U patent/CN203730648U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912995A (en) * | 2014-03-14 | 2015-09-16 | 广州汽车集团股份有限公司 | Hydraulic bushing in vehicle suspension system guide device and vehicle |
| CN104912995B (en) * | 2014-03-14 | 2017-04-19 | 广州汽车集团股份有限公司 | Hydraulic bushing in vehicle suspension system guide device and vehicle |
| CN110185735A (en) * | 2019-05-17 | 2019-08-30 | 株洲时代新材料科技股份有限公司 | A kind of liquid composite bush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |