CN205836418U - The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body - Google Patents

The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body Download PDF

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Publication number
CN205836418U
CN205836418U CN201620846523.2U CN201620846523U CN205836418U CN 205836418 U CN205836418 U CN 205836418U CN 201620846523 U CN201620846523 U CN 201620846523U CN 205836418 U CN205836418 U CN 205836418U
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China
Prior art keywords
external bushing
neck bush
inner sleeve
lining
trailing arm
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Expired - Fee Related
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CN201620846523.2U
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Chinese (zh)
Inventor
黄经述
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Zhijiang College of ZJUT
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Zhijiang College of ZJUT
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Priority to CN201620846523.2U priority Critical patent/CN205836418U/en
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Abstract

The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body, use and be plugged in, by external bushing (201) and fastening, the split type lining that the neck bush (202) of described external bushing (201) is formed, can be with cavity (7) structure of the left and right sides of buffer level impact of collision along axially having of described external bushing (201), the neck bush (202) being plugged in described external bushing (201) is intermeshing irregularly shaped with the binding face of described external bushing (201);Being plugged between outer wall and the center bore inner wall of described neck bush (202) plug-in mounting inner sleeve (6) of the inner sleeve (6) of the central hole location of described neck bush (202) to have prevents the key (9) rotated against from coordinating with keyway.The trailing arm bush Assembly that this utility model provides uses split type lining and both direct binding faces to be intermeshing erose to be advantageous in that interior external bushing can use elastic different quality of rubber materials with the elasticity of the buffer level impact of collision that gets both and to improve the rigidity needed for torsional strength, improves occupant's comfort level.

Description

The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body
Technical field
This utility model relates to assembling and the manufacturing technology field of automobile and auto parts and components, especially a kind of in order to improve The trailing arm bush Assembly that the automobile suspension system of automotive occupant comfort level is connected with vehicle body.
Background technology
The suspension of automobile, like the lower limb of automobile, it connects body of a motor car, connects wheel under it.When running car is not Time on flat road surface, suspension namely automotive suspension between wheel and vehicle body also can automatically compress, bend and stretch, and makes car Wheel as far as possible keeps maximum contact surface with ground, allows vehicle body try one's best the transport condition of held stationary.Through concavo-convex in running car During uneven road surface, wheel not only by the vertical impact in vertical direction, the most also can by the impact of collision in horizontal direction, In order to reduce the impact of collision passing to vehicle body through automotive suspension as far as possible, the lining choosing of the trailing arm that usual automotive suspension is connected with vehicle body Use flexible liner;, beated by wheel during vertical impact to reduce meanwhile, wished that again the torsional rigidity of trailing arm lining can be big Some.The most common lining uses solid rubber material, but can alleviate longitudinal direction while that solid rubber material cannot meeting Impact and improve the function of self torsional strength.
Summary of the invention
For solve above-mentioned background technology one joint propose technical problem, this utility model provide one both can alleviate from Automotive suspension reaches the impact of collision of vehicle body via trailing arm and then improves the comfort level of automobile passenger, itself also has more real than common The trailing arm bush Assembly of heart quality of rubber materials lining more high torsional resistance.
Specifically, the trailing arm lining that a kind of automotive suspension improving comfort level that this utility model provides is connected with vehicle body Assembly, as conventional bush Assembly, including the lining of quality of rubber materials and the trocar sheath of described lining and inner sleeve, Yi Jiyi Individual support;Described support is fastened on automobile frame, and the trailing arm that described automotive suspension is connected with vehicle body passes through a bolt It is articulated with in the U-lag of an one end open on described support;Described lining is set on described bolt, and described lining is inserted Institute is made with the sulfuration bonding process of metal within being loaded on the described trocar sheath of metal material and at both binding face employing rubber State peripheral and described trocar sheath the inner wall tightening of lining to connect as one, described trocar sheath secure weld in described trailing arm with described In the connecting hole that support is hinged;Described lining is set in described spiral shell centrally along inner sleeve described in axial plug-in mounting, described inner sleeve On bolt and by described bolt tighten two end faces of inner sleeve described in the both sides cell wall held tight forcing described U-lag So that described inner sleeve is fastened onto on described support.It is this with the difference of the trailing arm bush Assembly of general-utility car The lining that utility model uses is split type, external bushing and fastening the neck bush being plugged in described external bushing is formed;Described External bushing uses the rubber sulfuration bonding process with metal to be fastenedly connected with described trocar sheath and is integrated;Axle along described external bushing To the cavity structure being positioned at the described bolt left and right sides having in horizontal direction;For interference between described neck bush and external bushing Coordinating, the binding face of the neck bush being plugged in described external bushing and described external bushing lays respectively at up and down the two of described bolt Side, and the binding face of described neck bush and external bushing is not axis centered by the described neck bush common axial line with external bushing The face of cylinder, be not plane, described neck bush and the binding face of external bushing are intermeshing irregularly shaped;Described inner sleeve Pipe is plugged in the centre bore of the central hole location of described neck bush, the outer wall of described inner sleeve and described neck bush plug-in mounting inner sleeve Have between inwall and prevent the key rotated against from coordinating with keyway.
When horizontal impact of collision from wheel after automotive suspension reaches trailing arm or even lining, in the middle of described lining External bushing has the described cavity structure in horizontal direction, so described external bushing is easy for occurring along horizontal longitudinal direction Elastic deformation thus can absorb and buffer more impact of collision compared to solid plain lining;And use split type lining and The described direct binding face of interior external bushing is intermeshing erose to be advantageous in that interior external bushing can use elasticity Different quality of rubber materials, it is preferred that the elasticity of general external bushing is more much better than the elasticity of neck bush, and the rigidity of neck bush is then Larger than the rigidity of external bushing, the most described external bushing can be absorbed by its good elasticity and be buffered more longitudinal direction Impact and vertical torsion, the preferable neck bush of rigidity then may insure that the overall torsional strength of described lining is unlikely to because of institute State the favorable elasticity of external bushing and reduce too many, and the surface that described neck bush upper and lower sides engages with described external bushing is non-cylindrical The irregular surface of face and plane then can further enhance its torsional strength;Additionally, the inner sleeve one of general-utility car lining As be only simple cylindrical interference between described lining and coordinate, it is impossible to avoid wheel so that its be suspended in by violent Vertical impact time because of described trailing arm, around the axial anglec of rotation is excessive, make to occur between described lining and inner sleeve need not The phase mutual friction wanted and rotate against and therefore affect the comfortable of the follow-up shock-absorbing capacity of described bush Assembly and automobile passenger Degree is experienced, therefore permissible in the technical scheme using key to coordinate with keyway between inner sleeve with neck bush described in this utility model Stop above-mentioned phase mutual friction and the generation rotated against to a great extent, thus the most lasting utilize the good of described lining The vertical impact that elastic absorption and buffering wheel or even suspension are subject to, the comfort level improving automobile passenger is experienced.
As the technical measures of a kind of further optimization, in order to avoid causing described lining because of the existence of described cavity structure The undue reduction of intensity, and prevent described lining elastic deformation scope in a longitudinal direction excessive, described neck bush exists There is in the cavity of described external bushing the bulge-structure preventing the deformation in the horizontal direction of described external bushing excessive.On neck bush Described bulge-structure both can strengthen the torsional strength of described neck bush, it is also possible to takes precautions against described external bushing and produces excessive elasticity Deformation causes vehicle body to cross the comfort level of significantly level longitudinal direction wobble effects automobile passenger.Divide additionally, this utility model uses The benefit of body formula lining also resides in and can regulate the anti-vertical of described lining by changing the neck bush of different protruding size dimension To impact property and torsional strength.
The technical measures optimized further as another kind, the plug-in mounting for the ease of described interior external bushing assembles, described slotting It is loaded on the neck bush of external bushing there is length direction to be positioned at the strip through hole of horizontal direction so that in the vertical direction is carried out Insert among described external bushing after elastic deformation reduced size.
Preferably, it is contemplated that between described interior external bushing the meshing performance of binding face with simplify the flat of production and processing technology Weighing apparatus, in this utility model, the binding face of described neck bush and external bushing is by the top laying respectively at described neck bush axial line Formed with body structure surface and the groove surfaces of described external bushing being meshed therewith of lower section protuberance.Actually described As long as the enough higher position of the single ridge structure in the vertical direction of neck bush upper and lower sides can reach both to have ensured interior external bushing The tight torsional strength with the described neck bush of enhancing of engagement.
Preferably, it is contemplated that not too large being therefore not suitable for of the diameter of described inner sleeve arranges too much bond in its periphery Structure, in this utility model, the outer wall of described inner sleeve has the cambered outwards bond of axle laying respectively at surface with underface Structure, the most both can be evenly distributed and the resistance of cutting of described neck bush, it is also ensured that described bond to a certain extent The thickness of structure is unlikely to the least creep rupture life guaranteeing described bond structure;Accordingly, in this utility model, described liner inserting The inwall of the centre bore filling described inner sleeve has the key protruded above with described inner sleeve outer wall and matches to prevent described liner The keyway arrangements that set and inner sleeve rotate against.
In sum, the split type bush Assembly collection elasticity provided due to this utility model strengthens and torsional property enhancing Technical characteristic is integrated, and can reach improve the comfort level of automobile passenger simultaneously and ensure that lining has certain torsional strength Purpose.
Accompanying drawing explanation
Fig. 1: couple the trailing arm schematic diagram of vehicle suspension system namely automotive suspension and vehicle body;
The lining radial section schematic diagram that the A-A section of Fig. 2: Fig. 1 is shown;
The lining axial cross-sectional views that the B-B section of Fig. 3: Fig. 1 is shown;
[reference]
1: support;101:U shape groove;2: lining;201: external bushing;202: neck bush;3: trailing arm;4: bolt;5: trocar sheath; 6: inner sleeve;7: cavity;8: protruding;9: key;10: strip through hole;11: connecting hole;12: protuberance;13: groove.
Detailed description of the invention
Below in conjunction with a specific embodiment, this utility model is further described in detail.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of automobile improving comfort level that an exemplary embodiments of the present utility model provides hangs The trailing arm bush Assembly that frame is connected with vehicle body, as conventional bush Assembly, including lining 2 and the described lining of quality of rubber materials The trocar sheath 5 of 2 and inner sleeve 6, and a support 1;Described support 1 is fastened on automobile frame, described automotive suspension The trailing arm 3 being connected with vehicle body is articulated with in the U-lag 101 of an one end open on described support 1 by a bolt 4;Institute State lining 2 and be set on described bolt 4, within described lining 2 is plugged in the described trocar sheath 5 of metal material and both Binding face uses the bonding process that vulcanizes of rubber and metal to make described lining 2 peripheral and the inner wall tightening of described trocar sheath 5 is connected Being integrated, described trocar sheath 5 secure weld is in the connecting hole 11 that described trailing arm 3 and described support 1 are hinged;Described lining 2 Centrally along inner sleeve 6 described in axial plug-in mounting, described inner sleeve 6 is set in tightening on described bolt 4 and by described bolt 4 Force two end faces of inner sleeve 6 described in the both sides cell wall held tight of described U-lag 101 so that described inner sleeve 6 quilt It is anchored on described support 1.It is the lining 2 that this utility model uses with the difference of the trailing arm bush Assembly of general-utility car For split type, external bushing 201 and fastening the neck bush 202 being plugged in described external bushing 201 is formed;Described external bushing 201 Use rubber and the sulfuration bonding process of metal to be fastenedly connected with described trocar sheath 5 to be integrated;Axial along described external bushing 201 There is cavity 7 structure being positioned at described bolt 4 left and right sides in horizontal direction;Between described neck bush 202 and external bushing 201 For interference fit, the neck bush 202 being plugged in described external bushing 201 lays respectively at institute with the binding face of described external bushing 201 State the both sides up and down of bolt 4, and the binding face of described neck bush 202 and external bushing 201 is not with described neck bush 202 and outer lining Centered by the common axial line of set 201, the face of cylinder of axis, is not plane, described neck bush 202 and the laminating of external bushing 201 Face is intermeshing irregularly shaped;Described inner sleeve 6 is plugged in the central hole location of described neck bush 202, described inner sleeve Between outer wall and the center bore inner wall of described neck bush 202 plug-in mounting inner sleeve 6 of pipe 6, there is the key 9 and key preventing rotating against Slot fit.
As in figure 2 it is shown, also with reference to Fig. 1 and Fig. 3, in the present embodiment, when horizontal impact of collision from wheel through automotive suspension After reaching trailing arm 3 or even lining 2, there is due to the external bushing 201 in the middle of described lining 2 the described cavity 7 in horizontal direction Structure, so described external bushing 201 is easy for generation elastic deformation along horizontal longitudinal direction thus compared to solid plain Lining can absorb and buffer more impact of collision;And use split type lining and the described direct binding face of interior external bushing to be Intermeshing erose it is advantageous in that interior external bushing can use elastic different quality of rubber materials, it is preferred that general The elasticity of external bushing 201 is more much better than the elasticity of neck bush 202, and the rigidity of neck bush 202 is then than the rigidity of external bushing 201 Larger, the most described external bushing 201 can be absorbed and buffer more impact of collision by its good elasticity and be hung down To torsion, the preferable neck bush of rigidity 202 then may insure that the overall torsional strength of described lining 2 is unlikely to because of described outer lining Overlap the favorable elasticity of 201 and reduce too many, and the surface that described neck bush 201 upper and lower sides engages with described external bushing 202 is non- The irregular surface of the face of cylinder and plane then can further enhance its torsional strength;Additionally, the inner sleeve of general-utility car lining Between the general and described lining 2 of pipe 6 be only simple cylindrical interference coordinate, it is impossible to avoid wheel so that its be suspended in and be subject to To excessive and make between described lining 2 and inner sleeve 6 around the axial anglec of rotation because of described trailing arm during violent vertical impact There is unnecessary phase mutual friction and rotate against and therefore affect the follow-up shock-absorbing capacity of described bush Assembly and automobile is taken advantage of The comfort level of member is experienced, and therefore coordinates with keyway with using key between neck bush 202 at inner sleeve 6 described in this utility model Technical scheme can stop above-mentioned phase mutual friction and the generation rotated against to a great extent, thus the most lasting utilizes institute State the favorable elasticity of lining 2 to absorb and buffering wheel or even the vertical impact that is subject to of suspension, improve the comfort level body of automobile passenger Test.
As in figure 2 it is shown, in the present embodiment, as the technical measures of a kind of further optimization, in order to avoid because of described sky The existence of chamber 7 structure causes the undue reduction of the intensity of described lining 2, and prevents described lining 2 bullet in a longitudinal direction Property deformation range is excessive, and described neck bush 202 has in the cavity 7 of described external bushing 201 and prevents described external bushing 201 at water Square projection 8 structure that upwards deformation is excessive.Described protruding 8 structures on neck bush 202 both can strengthen described neck bush 202 Torsional strength, it is also possible to take precautions against described external bushing 201 produce excessive elastic deformation cause vehicle body cross significantly level indulge Comfort level to wobble effects automobile passenger.Additionally, the benefit that this utility model uses split type lining also resides in and can pass through The neck bush 202 changing different protruding 8 size dimensions regulates resisting longitudinal impact property and the torsional strength of described lining 2.
As in figure 2 it is shown, as the another kind of technical measures optimized further, in the present embodiment, in described The plug-in mounting assembling of external bushing, described in be plugged in the neck bush 202 of external bushing 201 and there is length direction be positioned at the strip of horizontal direction Shape through hole 10 is so that in the vertical direction inserts after carrying out elastic deformation reduced size among described external bushing 202.
As shown in Figure 2, it is preferred that in the present embodiment, it is contemplated that the meshing performance of binding face between described interior external bushing With the balance of simplification production and processing technology, the binding face of described neck bush 202 and external bushing 201 is by laying respectively at described neck bush The body structure surface of above and below 202 axial lines one protuberance 12 and the groove of described external bushing 201 being meshed therewith 13 surfaces are formed.As long as the single protuberance 12 structure in the vertical direction of the most described neck bush 202 upper and lower sides is enough Higher position can reach both to have ensured the tight torsional strength with the described neck bush 202 of enhancing of engagement of interior external bushing.
As shown in Figure 2, it is preferable that in the present embodiment, it is contemplated that the diameter of described inner sleeve 6 is not too large therefore uncomfortable Be combined in its periphery and too much bond structure be set, the outer wall of described inner sleeve 6 have lay respectively at directly over axial with underface Key 9 structure of evagination, the most both can be evenly distributed and the resistance of cutting of described neck bush 202 to a certain extent, it is possible to To ensure that the thickness of described key 9 structure is unlikely to the least creep rupture life guaranteeing described key 9 structure;Accordingly, at the present embodiment In, described in described neck bush 202 plug-in mounting, the inwall of the centre bore of inner sleeve 6 has the key 9 protruded above with described inner sleeve 6 outer wall Match the keyway arrangements preventing described neck bush 202 from rotating against with inner sleeve 6.
Note above detailed description of the invention not in order to limit this utility model, all within design of the present utility model Any modification, equivalent substitution and improvement etc. done, should be included in the protection model that claims of the present utility model are stated Within enclosing.

Claims (5)

1. improve the trailing arm bush Assembly that the automotive suspension of comfort level is connected with vehicle body, including the lining (2) of quality of rubber materials With the trocar sheath (5) of described lining (2) and inner sleeve (6), an and support (1);Described support (1) is fastened on automobile On vehicle frame, the trailing arm (3) that described automotive suspension is connected with vehicle body is articulated with on described support (1) by a bolt (4) In the U-lag (101) of individual one end open;Described lining (2) is set on described bolt (4), and described lining (2) is plugged in gold Described lining is made with the sulfuration bonding process of metal within belonging to the described trocar sheath (5) of material and at both binding face employing rubber Peripheral and described trocar sheath (5) the inner wall tightening of set (2) connects as one, and described trocar sheath (5) secure weld is in described trailing arm (3) in the connecting hole (11) being hinged with described support (1);Described lining (2) centrally along inner sleeve (6) described in axial plug-in mounting, Described inner sleeve (6) is set on described bolt (4) and forces described U-lag (101) by tightening of described bolt (4) Two end faces of inner sleeve (6) described in the cell wall held tight of both sides are so that described inner sleeve (6) is fastened onto described support (1) on;The trailing arm bush Assembly that described a kind of automotive suspension improving comfort level is connected with vehicle body is characterised by:
Described lining (2) is split type, external bushing (201) and fastening are plugged in the neck bush (202) of described external bushing (201) Formed;It is one that described external bushing (201) uses the sulfuration bonding process of rubber and metal to be fastenedly connected with described trocar sheath (5) Body;Cavity (7) knot being positioned at described bolt (4) left and right sides axially having in horizontal direction along described external bushing (201) Structure;It is interference fit between described neck bush (202) and external bushing (201), is plugged in the neck bush in described external bushing (201) (202) binding face with described external bushing (201) lays respectively at the both sides up and down of described bolt (4), and described neck bush (202) It not axis centered by the common axial line of described neck bush (202) and external bushing (201) with the binding face of external bushing (201) The face of cylinder, be not plane, the binding face of described neck bush (202) and external bushing (201) is intermeshing irregular shape Shape;Described inner sleeve (6) is plugged in the central hole location of described neck bush (202), and the outer wall of described inner sleeve (6) is interior with described Have between the center bore inner wall of lining (202) plug-in mounting inner sleeve (6) and prevent the key (9) rotated against from coordinating with keyway.
The trailing arm bush Assembly that a kind of automotive suspension improving comfort level the most according to claim 1 is connected with vehicle body, its It is characterised by: described neck bush (202) has in the cavity (7) of described external bushing (201) and prevents described external bushing (201) from existing Projection (8) structure that in horizontal direction, deformation is excessive.
The trailing arm bush Assembly that a kind of automotive suspension improving comfort level the most according to claim 1 is connected with vehicle body, its Be characterised by: described in be plugged in the neck bush (202) of external bushing (201) and there is length direction be positioned at the strip of horizontal direction and lead to Hole (10) is so that in the vertical direction inserts after carrying out elastic deformation reduced size among described external bushing (202).
The trailing arm bush Assembly that a kind of automotive suspension improving comfort level the most according to claim 1 is connected with vehicle body, its It is characterised by: the binding face of described neck bush (202) and external bushing (201) is by laying respectively at described neck bush (202) axial line Above and below the body structure surface of a protuberance (12) and groove (13) table of described external bushing (201) that is meshed therewith Face is formed.
The trailing arm bush Assembly that a kind of automotive suspension improving comfort level the most according to claim 1 is connected with vehicle body, its It is characterised by: the outer wall of described inner sleeve (6) has axle cambered outwards key (9) structure laying respectively at surface with underface, The inwall of the centre bore of inner sleeve (6) described in described neck bush (202) plug-in mounting has and protrudes above with described inner sleeve (6) outer wall Key (9) matches the keyway arrangements preventing described neck bush (202) and inner sleeve (6) from rotating against.
CN201620846523.2U 2016-08-03 2016-08-03 The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body Expired - Fee Related CN205836418U (en)

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CN201620846523.2U CN205836418U (en) 2016-08-03 2016-08-03 The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body

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CN201620846523.2U CN205836418U (en) 2016-08-03 2016-08-03 The trailing arm bush Assembly that a kind of automotive suspension improving comfort level is connected with vehicle body

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113153958A (en) * 2020-01-07 2021-07-23 广州汽车集团股份有限公司 Shock absorber, vehicle suspension and car
CN114008348A (en) * 2019-06-14 2022-02-01 株式会社普利司通 Vibration isolation device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114008348A (en) * 2019-06-14 2022-02-01 株式会社普利司通 Vibration isolation device
CN114008348B (en) * 2019-06-14 2024-02-02 株式会社普洛斯派 Vibration isolation device
US11892050B2 (en) 2019-06-14 2024-02-06 Prospira Corporation Anti-vibration device
CN113153958A (en) * 2020-01-07 2021-07-23 广州汽车集团股份有限公司 Shock absorber, vehicle suspension and car

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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: 20161228

Termination date: 20170803