CN105378330A - Vibration-damping device - Google Patents
Vibration-damping device Download PDFInfo
- Publication number
- CN105378330A CN105378330A CN201480039867.6A CN201480039867A CN105378330A CN 105378330 A CN105378330 A CN 105378330A CN 201480039867 A CN201480039867 A CN 201480039867A CN 105378330 A CN105378330 A CN 105378330A
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- Prior art keywords
- bracket
- press
- bracket press
- rubber
- main
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
- F16F2226/048—Welding
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Provided is a vibration-damping device having a novel structure, the vibration-damping device being configured so that the durability performance and load-bearing performance of a stopper mechanism are ensured and so that a first mounting member can be formed by a simple structure using a press-formed metallic plate member. A vibration-damping device (10) has a first mounting member (12) provided with a body portion (26) secured to the body rubber elastic body (16) and with a cylindrical, bracket press-fitting section (24). The first mounting member (12), which comprises the body portion (26) and the bracket press-fitting section (24), is formed in an integrated manner using a press-formed metallic plate member. Both end portions of the press-formed metallic plate member are circumferentially abutted against each other at the bracket press-fitting section (24) and welded together. Shock-absorbing rubber (54, 56, 58) is provided on the outer peripheral surface of the bracket press-fitting section (24) at positions located circumferentially off the weld bead (74) formed by the welding. A stopper section is configured by the shock-absorbing rubber (54, 56, 58) and by peripheral wall portions (28, 32, 34) located off the weld bead (74) on the bracket press-fitting section (24).
Description
Technical field
The present invention relates to a kind of isolation mounting utilizing main rubber elastomer joint first installation component and the second installation component, such as, relate to a kind of isolation mounting that can be used in the engine bearer of automobile etc.
Background technique
In the past, as the one of the isolation mounting be arranged between the component forming vibration passing system, such as described in Japanese Unexamined Patent Publication 2007-224958 publication (patent documentation 1), there will be a known the structure utilizing main rubber elastomer joint first installation component and the second installation component.Such isolation mounting is usually at Components installation first installation component and second installation component of each side of formation vibration passing system, and at this installation position sandwiched bracket, thus guarantee the design freedom of the mounting construction installed to vehicle, the fitting operation installed to vehicle is easier to.
But, in described such isolation mounting, usually adopt the position-limit mechanism for limiting the relative shift between the first installation component and the second installation component.By arranging this position-limit mechanism, the elastomeric amount of deformation of main rubber when can limit the excessive external force of input and then restriction form the relative shift between the component of vibration passing system, can guarantee the elastomeric durability of main rubber.
Such position-limit mechanism is such as such structure as Patent Document 1 like that: be provided with to the first installation component side extension at the second installation component and install the door shape component of Metal fittings across first, being provided with the bracket extended to side from the first installation component on the other hand.Further, the installation position of the bracket in the first installation component abuts with door shape component across yielding rubber, thus can limit the relative shift between the first installation component and the second installation component with cushioning.
But for the isolation mounting constructed described in patent documentation 1, bracket is screwed on the first installation component in the past, therefore comprises screw thread and be fixed on interior manufacturing operation trouble.And, require that this screw thread fixed position has larger resistance to load performance, therefore need to manage accurately the fastening force of fixing bolt and needs and to relax such process thus guarantee the trouble operation of the reliability that screw thread is fixed and durability by preventing fixing bolt.
Therefore, the applicant proposes a kind of such isolation mounting in Japanese Patent No. 5209339 publication (patent documentation 2): the bracket press-in portion of the tubular being fixed on the elastomeric main body of main rubber and supplying bracket to fix from side press-in utilizes metal plate punching accessory (Japanese: プ レ ス sheet metal tool) to be integrally formed, thus forms the first installation component.For the first installation component of such structure, do not need fixing bolt, can also seek to reduce component number, and the input direction of large load is the direction roughly orthogonal with the pressing direction of bracket, therefore can also play larger resistance to load performance at bracket relative to the fixed position of the first installation component.
But for the isolation mounting described in this patent documentation 2, the present inventor is studied discussion further repeatedly, found that existence is difficult to fully guarantee the durability of position-limit mechanism, the situation of resistance to load performance.That is, at least one place on the week of the first installation component utilizing metal plate punching accessory to be formed welds, and therefore produces in this welding part and gives prominence to and the welding bead extended along its length on the outer circumferential face of bracket press-in portion.On the other hand, be provided with yielding rubber at the outer circumferential face of bracket press-in portion, thus form the limited part that bracket press-in portion is abutted with described door shape component.Therefore, the welding bead being present in bracket press-in portion makes the thickness size of the yielding rubber of limited part reduce in fact, therefore likely causes stress, strains the yielding rubber concentrated on welding bead, thus causes durability, the shock-absorbing capacity reduction of yielding rubber.
In addition, in view of such problem, also consider to replace welding but utilize the kink joint construction based on the concavo-convex engagement of flexuose the two end portions of the metal plate punching accessory of formation first installation component to be joined together.But, present inventor has performed research discussion, found that, when utilizing riveted joint to construct, along with the press-in of bracket, bracket press-in portion is applied external force by towards expanding direction, thus riveted joint part is easily separated in the mode of opening laterally, is difficult to the constant intensity stably obtaining expecting.
prior art document
patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2007-224958 publication
Patent documentation 2: Japanese Patent No. 5209339 publication
Summary of the invention
the problem that invention will solve
At this, the present invention is with described such situation for background is made, and it solves problem and is to provide a kind of and can guarantees the endurance quality of position-limit mechanism, resistance to load performance and metal plate punching accessory can be utilized with the isolation mounting of the structure of the novelty of simple formation of structure first installation component.
for the scheme of dealing with problems
Below, the such problem of solution has been recited as and the technological scheme of the present invention made.In addition, the component parts adopted in each technological scheme of the following stated can as much as possible to combine employing arbitrarily.And, be construed as, technological scheme of the present invention and technical characteristics are not limited to the content of the following stated, should record the invention thought that can grasp be familiar with technological scheme of the present invention and technical characteristics based on the content described in whole specification and accompanying drawing or those skilled in the art from these.
First technological scheme of the present invention is a kind of isolation mounting, first installation component and second installation component of this isolation mounting utilize main rubber elastomer joint, and be provided with the bracket press-in portion of tubular at this first installation component and be fixed on the bracket press-in portion of the elastomeric main body of this main rubber and tubular, wherein, described first installation component comprising described main body and described bracket press-in portion utilizes metal plate punching accessory to be integrally formed, the two end portions of this metal plate punching accessory is docked in the circumferential at this bracket press-in portion place and is welded together, and be provided with yielding rubber in the position of departing from the welding bead that this welding produces in the circumferential of the outer circumferential face of this bracket press-in portion, limited part is formed by the inner peripheral portion departing from this welding bead of this yielding rubber and this bracket press-in portion.
Being set as in the isolation mounting according to the structure of the technical program, the two end portions of metal plate punching accessory is welded together, thus can simply to construct, less component number manufactures the first installation component.Further, the yielding rubber forming position-limit mechanism is located at the position of departing from the welding bead that welding produces in the circumferential, thus fully can guarantee the thickness size of this yielding rubber.Therefore, the harmful effect that the position-limit mechanism utilizing the first installation component to form can avoid welding bead to bring completely, can stably obtain excellent endurance quality, shock-absorbing capacity.
On the basis of the isolation mounting of the first technological scheme, in the second technological scheme of the present invention, the position being positioned at the side contrary with described main body on the week of described bracket press-in portion is provided with toward the outer side outstanding described yielding rubber and is configured for bearing the first limited part of main load, and any one in the sidewall position of both sides between this main body and this first limited part on the week of this bracket press-in portion is provided with described welding bead.
Be set as in the isolation mounting according to the structure of the technical program, the weld portion of metal plate punching accessory is set with in the position of departing from the input position of main retention load on week of the first installation component, thus the good resistance to density of load can be obtained, and fully can not guarantee the yielding rubber amount at the input position of main retention load by welding bead system limit ground.
On the basis of the isolation mounting of the second technological scheme, in the 3rd technological scheme of the present invention, yielding rubber outstanding is laterally equipped with at the sidewall position of described both sides, thus form the second limited part and the 3rd limited part, and this sidewall position of the less one of arbitrary input load in this second limited part and the 3rd limited part is provided with described welding bead.
Be set as in the isolation mounting according to the structure of the technical program; the week of the first installation component is provided with the first limited part ~ the 3rd limited part; thus the limit function that can obtain on 3 directions; and the weld portion of the position setting metal plate punching accessory that the input load in these 3 limited parts is minimum; thus the harmful effect that each limited part can avoid welding bead to bring; can effectively guarantee yielding rubber amount, utilize the limited part in 3 directions can obtain excellent durability generally and resistance to load performance.
On the basis of the isolation mounting of the arbitrary technological scheme in the first technological scheme ~ the 3rd technological scheme, in the 4th technological scheme of the present invention, described bracket press-in portion has at least one bight on week, makes the end face of the side of the one end portion of described metal plate punching accessory and the other end part of described metal plate punching accessory dock in this bight and be welded together.
Be set as in the isolation mounting according to the structure of the technical program, for the yielding rubber forming limited part, easily avoiding welding bead and easily guarantee that rubber mass is larger further.That is, from avoiding the concentrated effect of retention load and guaranteeing the purport such as endurance quality, resistance to load performance, preferably the bearing surface of formation limited part comprises the part smooth as far as possible on the week of punching press press-in portion.Thus, in the technical program, in the bight of metal plate punching accessory setting weld portion, thus the welding bead in bight can be avoided and fully guarantee the rubber mass of the yielding rubber at limited part place.
On the basis of the isolation mounting of the 4th technological scheme, in the 5th technological scheme of the present invention, the planar portion that the input direction being set as the load main with this for the position of bearing main load of described bracket press-in portion generally perpendicularly extends, and be provided with described bight in the end of the circumferential side of this planar portion, the side of the one end portion extended from this planar portion of described metal plate punching accessory is made to dock with the end face of the other end part of described metal plate punching accessory and be welded together, thus utilize the one end portion extended from this planar portion of this metal plate punching accessory on the input direction of this main load, cover described welding bead.
Be set as in the isolation mounting according to the structure of the technical program, utilize the planar portion of metal plate punching accessory to form limited part, thus the compression face of the retention load of the first installation component, the rubber mass of yielding rubber and improve endurance quality, resistance to load performance can be increased.Further, on main load input direction, weld portion, welding bead are covered structure, thus can guarantee that the compression face of the first installation component is comparatively large and can effectively avoid weld portion to bring the harmful effect of resistance to load performance etc. further further.
On the basis of the isolation mounting of the arbitrary technological scheme in the first technological scheme ~ the 5th technological scheme, in the 6th technological scheme of the present invention, described main body is formed as having from described bracket press-in portion outstanding to outer peripheral side and to deep drawn (Japanese: the dark Twisted り) shape of side opening in this bracket press-in portion, and be formed with through hole in this main body, the filled rubber and the described main rubber elastomer that are filled in this main body link integratedly via this through hole, and the covering rubber layer covering the inner peripheral surface of this bracket press-in portion is formed as linking integratedly with this filled rubber and main rubber elastomer.
Be set as in the isolation mounting according to the structure of the technical program, main body is deep drawn shape, play high strength in shape, the stiffening effect of main body for the bracket pressing part of tubular can also be played, the high strength of the first installation component entirety can be sought.Further, the rubber utilizing adhesion to be formed at the inside of main body and the inner peripheral surface of bracket pressing part can also prevent the problems such as the resonance of the first installation component utilizing metal plate punching accessory to be formed effectively.And, between the bracket being fixed on bracket press-in portion in bracket press-in portion and press-in, sandwiched covers rubber layer, thus the size error because of bracket press-in portion and bracket can also be avoided and cause the stress excessive to the weld portion effect of bracket press-in portion when being pressed into bracket, the press-in retention force can taking into account bracket and the external force action acting on bracket press-in portion also make them stablize, and contact between can avoiding because of metal and cause occurring the problems such as corrosion.
the effect of invention
When being set as the isolation mounting according to structure of the present invention, the harmful effect that welding bead brings can be avoided, excellent endurance quality, the resistance to load performance of limited part can be guaranteed, and can utilize that component number is less, light weight and the excellent metal plate punching accessory of reliability forms the first installation component.
Accompanying drawing explanation
Fig. 1 is the plan view of the isolation mounting representing one embodiment of the present invention.
Fig. 2 is the plan view of the isolation mounting shown in Fig. 1.
Fig. 3 is the III-III sectional view in Fig. 1.
Fig. 4 is the IV-IV sectional view in Fig. 2.
Fig. 5 is the stereogram of the isolation mounting main body of the isolation mounting shown in pie graph 1.
Fig. 6 is the stereogram of the first installation component of the isolation mounting main body shown in pie graph 5.
Embodiment
Below, in order to more specifically clear and definite the present invention, embodiments of the present invention are described.First, Fig. 1 ~ Fig. 4 illustrates the engine for automobile bearing 10 of the mode of execution as isolation mounting of the present invention.Also as shown in Figure 5, the engine bearer 10 of present embodiment comprises the support body 18 as isolation mounting main body, in this support body 18, install Metal fittings 12 as first of the first installation component and configure with installing the spaced predetermined distance of Metal fittings 14 as second of the second installation component, this support body 18 is that utilization is installed in the first installation Metal fittings 12 and the second main rubber elastomer 16 elasticity of installing between Metal fittings 14 and links first and install Metal fittings 12 and second and install Metal fittings 14.In addition, first, Metal fittings 12 are installed and the first bracket 20 is installed, and second, Metal fittings 14 are installed and the second bracket 22 is installed, this first bracket 20 and the second bracket 22 are individually fixed in power unit and the vehicle body of not shown automobile, thus make power unit across engine bearer 10 isolated supporting in vehicle body.
In addition, the non-installment state that engine bearer 10 is not installed on automobile is illustrated in Fig. 1 ~ Fig. 4, but under the installment state being installed on automobile, bearing load effect of the sharing above-below direction in fig. 2 of power unit, namely act on the bearing axis direction of support body 18, make main rubber elastomer 16 resiliently deformable, be accompanied by this, first installs Metal fittings 12 and the first bracket 20 installs Metal fittings 14 along roughly bearing axis direction near second and Metal fittings 14 and the second bracket 22 displacement are installed relative to second in the second bracket 22 ground.Further, the main vibration of vibration isolation should be carried out along roughly bearing axis direction input.In the following description, as long as no illustrating especially in advance, above-below direction just refers to the above-below direction in Fig. 2.
More specifically, as shown in Figure 6, form first of support body 18 and the bracket press-in portion 24 that Metal fittings 12 comprise tubular and the main body 26 of giving prominence on outer circumferential face from bracket press-in portion 24 are installed.Bracket press-in portion 24 has the constant sectional shape of shaped as frame in the form of a substantially rectangular, and this bracket press-in portion 24 is orthogonal with bearing axis direction, and linearly extension.Further, be formed in bracket press-in portion 24 and surrounded by the upper wall 28 of 4 general planar, lower wall 30, right wall 32, left wall 34 and run through on central axis and the press-in hole 36 extended.In addition, be formed along the through intercommunicating pore 37 of thickness direction in the central authorities of upper wall 28, inner circumferential covering rubber layer 50 described later covers rubber layer 52 with periphery and communicates with each other.
In addition, the hollow of main body 26 in the perisporium 38 and circular diapire 40 that comprise cone barrel type roughly round table-like, is formed as having the central axis extended along bearing axis direction.This main body 26, in the inverted shape that diameter diminishes along with going downward, is provided with through hole 42 at the middle body of the diapire 40 of path side.Further, the side opening portion, large footpath 44 of main body 26 is connected to the middle body of the lower wall 30 of bracket press-in portion 24 integratedly, and the inner space of main body 26 is communicated with in bracket press-in portion 24 to bracket press-in portion 24 inner opening at place of side opening portion 44, large footpath.
On the other hand, second Metal fittings 14 drum large in the diameter of the main body 26 of installing Metal fittings 12 than first is installed.And, this second is installed Metal fittings 14 and first and installs Metal fittings 12 and in the holder axle line configures spaced by a predetermined distance along axial direction, the second installation Metal fittings 14 be disposed of the outer circumferential side in the main body 26 of the first installation Metal fittings 12 and be the main body 26 of installing Metal fittings 12 below axial direction spaced by a predetermined distance with first with the direction of radial skew on relative.
Further, main rubber elastomer 16 is provided with in the inner peripheral surface mode that elasticity links each other of the first relative for position like this outer circumferential face and second installing the main body 26 of Metal fittings 12 being installed Metal fittings 14.
Main rubber elastomer 16 is in the roughly frusto-conical that diameter diminishes along with going upward, and the first main body 26 of installing Metal fittings 12 lays fixed in the path side end of main rubber elastomer 16 with the state of the path side end of the upper-end surface of the path side end from main rubber elastomer 16 insertion main rubber elastomer 16.Further, second Metal fittings 14 are fixed on main rubber elastomer 16 large footpath side end with the state overcoat of the outer circumferential face of the large footpath side end of main body covered rubber elastomer 16 is installed.Particularly in the present embodiment, main rubber elastomer 16 comprises bonding by Vulcanization installs Metal fittings 12 and the second installation Metal fittings 14 integrated vulcanizing formed article in first.
In addition, the circular depressions 46 of roughly inverted mortar shape is formed in the bottom of main rubber elastomer 16.This circular depressions 46 is to have the mode opening in the circular open portion in large footpath in side end face, large footpath, thus main rubber elastomer 16 is in fact in the roughly cone barrel type shape of the heavy wall extended in the mode linked between the main body 26 of the first installation Metal fittings 12 and the opposing side of second installation both Metal fittings 14 on the direction of radial skew.
In addition, the through hole 42 that main rubber elastomer 16 also installs the main body 26 of Metal fittings 12 via first enters the inner space of main body 26.Further, the filled rubber 48 be filled in main body 26 forms with main rubber elastomer 16.
And main rubber elastomer 16 also extends and around entering to the first inner peripheral surface of bracket press-in portion 24 installing Metal fittings 12.Further, the inner circumferential covering the roughly whole surface of the inner peripheral surface of the press-in hole 36 of bracket press-in portion 24 with predetermined thickness covers rubber layer 50 and forms with main rubber elastomer 16 and filled rubber 48.
And main rubber elastomer 16 also extends and extends to the outer circumferential face of the bracket press-in portion 24 of the first installation Metal fittings 12.Further, the periphery covering the roughly whole surface of the outer circumferential face of bracket press-in portion 24 covers rubber layer 52 and covers rubber layer 50 form with main rubber elastomer 16, filled rubber 48, inner circumferential.
And first yielding rubber 54, second yielding rubber 56 as yielding rubber of roughly chevron shape outstanding on the upper wall 28 of bracket press-in portion 24, right wall 32 and this three of left wall 34 outer circumferential face separately and the 3rd yielding rubber 58 all cover rubber layer 52 with periphery and are integrally formed.In addition, the first yielding rubber 54 of present embodiment is two structures that separated from one another and ridge that is the roughly shaped cross-section extended abreast in the axial direction links integratedly at base portion each other in the circumference of bracket press-in portion 24.
In addition, on main rubber elastomer 16, and be integrally formed with lower buffer rubber 59 near path side end, this lower buffer rubber 59 extends out from the tongue-shaped or planar of lower wall part in predetermined thickness outside axial direction that first installs the opening edge of the side of Metal fittings 12.
In addition, the press-in fixing part 60 being located at the first bracket 20 is pressed into from the direction orthogonal with bearing central axis and is fixed on the bracket press-in portion 24 that first of the support body 18 being set as such structure installs Metal fittings 12.Further, this first bracket 20 is screwed on the power unit of automobile by bolt hole 63 at outside fixing part 62 place extended out from bracket press-in portion 24, thus makes the first installation Metal fittings 12 to be installed on power unit by the mode of the first bracket 20.
On the other hand, the outer fixing part 64 being located at the drum of the second bracket 22 is outer from below and be fixed on the second installation Metal fittings 14.Multiple installation leg 66 outstanding on outer circumferential face from outer fixing part 64 is provided with at this second bracket 22, these install leg 66 is screwed on automobile vehicle body by bolt hole 67, thus make the second installation Metal fittings 14 be installed on vehicle body by the second bracket 22.
Further, the spacing Metal fittings 68 extended out upward from outer fixing part 64 are provided with at the second bracket 22.Spacing Metal fittings 68 entirety has a shape, be set as: the periphery of installing Metal fittings 12 in the mode separating predetermined distance with the first periphery of installing Metal fittings 12 across first, bracket press-in portion 24 opening in a same direction installing Metal fittings 12 with first.Further, outer fixing part 64 is all fixed in the lower end of the both sides leg 70,70 of spacing Metal fittings 68, and the upper plate portion 72 linking the upper end of this both sides leg 70,70 is positioned at the position that the first installation Metal fittings 12 are left in the top of installing Metal fittings 12 to first.
Thus, the upper wall 28 of the bracket press-in portion 24 of the first installation Metal fittings 12 is relative spaced by a predetermined distance in the vertical direction with the upper plate portion 72 of spacing Metal fittings 68.Further, the right wall 32 of the bracket press-in portion 24 of the first installation Metal fittings 12 is relative spaced by a predetermined distance in the lateral direction with the both sides leg 70,70 of spacing Metal fittings 68 with left wall 34.
In addition, the upper wall 28 of bracket press-in portion 24 abuts across the first yielding rubber 54 with the upper plate portion 72 of spacing Metal fittings 68, thus forming the first position-limit mechanism, this first position-limit mechanism is installed Metal fittings 14 saying from design aspect as the relative shift on the input direction of the resilience load of main load input direction for being limited the first installation Metal fittings 12 and second with cushioning.That is, the upper wall 28 of bracket press-in portion 24 generally perpendicularly extends with the input direction of resilience load, becomes the planar portion as the position for bearing main load of bracket press-in portion 24.
And, the right wall 32 of bracket press-in portion 24 abuts across the second yielding rubber 56 with the right leg 70a of spacing Metal fittings 68, thus form the second position-limit mechanism, this second position-limit mechanism for limit with cushioning the first installation Metal fittings 12 and second install Metal fittings 14 say from design aspect be the acceleration of the second main load input direction time load input direction on relative shift.
And, the left wall 34 of bracket press-in portion 24 abuts across the 3rd yielding rubber 58 with the left leg 70b of spacing Metal fittings 68, thus forming the 3rd position-limit mechanism, the 3rd position-limit mechanism installs Metal fittings 14 saying the relative shift on load input direction when inputting the deceleration in minimum direction for load from design aspect for limiting the first installation Metal fittings 12 and second with cushioning.
In addition, in the present embodiment, between the first bracket 20 and the second bracket 22, lower buffer rubber 59 is provided with.Thus, when the load input in direction of bouncing, first installs Metal fittings 12 can abut across lower buffer rubber 59 with the second installation component 14, limits the spring position-limit mechanism that the first installation Metal fittings 12 and second install the displacement amount on the relative close direction of Metal fittings 14 in the holder on heart axial direction with being configured for buffering thus.
At this, the first installation Metal fittings 12 forming this first position-limit mechanism ~ the 3rd position-limit mechanism utilize the metal plate punching accessory obtained by carrying out punch process to sheet of metallic material to form.This metal plate punching accessory is formed as having such structure: the sheet of metallic material of writing board shape is implemented to the punch process such as bending, the deep drawn of necessary number of times, thus be integrally formed the deep-draw extending portion corresponding with main body 26 in the band plate portion corresponding with the expansion shape of bracket press-in portion 24.Further, implement the bending of roughly 90 degree in the both sides of deep-draw extending portion and 3 bights are set, thus being generally rectangular barrel shape by the drawing of band plate portion, and forming the first installation Metal fittings 12 as target.
That is, in these the first installation Metal fittings 12, making the two end portions of the length direction in band plate portion not implementing the remaining bight docking of bending, this end-to-end joint part being welded together, thus forms the bracket press-in portion 24 that entirety is generally rectangular barrel shape.And, in this end-to-end joint part, the one end portion of the formation upper wall 28 in band plate portion is partly overlapped with the mode of the other end part of the left wall of formation 34 and the other end of the left wall 34 of formation in band plate portion that cover band plate portion from top, makes the lower surface near the upper-end surface of left wall 34 and the end of upper wall 28 overlapping and weld them together fetching.Thus, welding part is set in the bight of the upper end being positioned at left wall 34, and the welding bead 74 of this welding part is located at the angle part between the lower surface of upper wall 28 and the outer surface of left wall 34.That is, welding bead 74 is only positioned at saying on the left wall 34 that input load is minimum from design aspect on the outer circumferential face of bracket press-in portion 24, avoids the outer circumferential face Shangdi setting of the larger upper wall of input load 28, right wall 32.
In addition, at welding position, the end edge portion of upper wall 28 is eaves shape or flange shape outstanding toward the outer side from the docking site of left wall 34, thus utilizes this lip part 76 to hide the top of welding bead 74.In addition, saying from design aspect in the rebound direction into main load input direction, utilizing the lip part 76 of upper wall 28 to cover from the lower surface of the upper plate portion 72 as bearing surface.
In addition, install in the bracket press-in portion 24 of Metal fittings 12 first, for the left wall 34 being provided with welding bead 74, the 3rd yielding rubber 58 on the outer circumferential face of this left wall 34 is formed as avoiding this welding bead 74 in the circumferential.Thus, the 3rd position-limit mechanism is configured to be positioned at the position of departing from welding bead 74 in the circumferential on the left wall 34 of bracket press-in portion 24.
In addition, there is not welding bead 74 at the upper wall 28 being formed with the first yielding rubber 54 with the right wall 32 being formed with the second yielding rubber 56, therefore the first yielding rubber 54 and the second yielding rubber 56 are given prominence to and are formed as having enough large face.
In the engine bearer 10 being set as described structure like that, bracket press-in portion 28 outer circumferential face, the position of departing from welding bead 74 is in the circumferential provided with the first yielding rubber 54, second yielding rubber 56 and the 3rd yielding rubber 58, therefore, it is possible to avoid the thickness size local of this yielding rubber 54,56,58 caused because of welding bead 74 to reduce, can guarantee that they all have enough thickness sizes.Thus, in the first position-limit mechanism, the second position-limit mechanism and the 3rd position-limit mechanism, all effectively can play first and rush buffer function and the durability that rubber 54, second rushes rubber 56 and the 3rd yielding rubber 58.
Particularly, in the present embodiment, avoid the welding at upper wall 28 place as the face for bearing main load in bracket press-in portion 24, and the welding of metal plate punching accessory is implemented in the side (being left wall 34 side in the present embodiment) that the input load in left wall 34, right wall 32 is less.Thereby, it is possible to alleviate the input load relative to welding position further.
In addition, in the present embodiment, the one end portion of the upper wall 28 of the formation bracket press-in portion 24 of metal plate punching accessory partly overlaps with the mode of the other end part of left wall 34 of formation bracket press-in portion 24 and the other end of the left wall 34 of the formation bracket press-in portion 24 of metal plate punching accessory that cover metal plate punching accessory from top, makes the upper-end surface of left wall 34 dock with the lower surface of upper wall 28 and weld them together.Thus, the lower surface of upper wall 28 of the main load input of the confession of bracket press-in portion 24 is provided with welding bead 74, load can be avoided directly to input welding bead 74, can seek to improve durability further.
In addition, in the present embodiment, first installs the main body 26 of Metal fittings 12 in the deep drawn shape of perisporium with tubular, therefore can also seek the intensity that Metal fittings 12 self are installed in raising first.And bracket press-in portion 24 and main body 26 are integrally formed by drawing, therefore, it is possible to easily complete the manufacture of the first installation Metal fittings 12, can realize taking into account enough intensity and the easness of manufacture.And, the inner circumferential being covered in the inner periphery and the outer periphery of bracket press-in portion 24 covers rubber layer 50 and periphery and covers rubber layer 52, the filled rubber 48 being filled in main body 26 and main rubber elastomer 16 and form, therefore, it is possible to easily complete as the support body 18 of integrated vulcanizing formed article manufacture so that complete the manufacture of engine bearer 10.
Above, describe embodiments of the present invention in detail, but the present invention does not limit by this concrete record.Such as, the rectangular tubular of bracket press-in portion 24 of described mode of execution, but be not limited to this form, as long as be tubular, then profile suitably can change in conjunction with the shape of used bracket.
In addition, first surrounding wall portion 38 of installing the main body 26 of Metal fittings 12 there is no need to be formed at complete cycle, such as also main body 26 can being made constant cross-section and the groove shape extended along the direction vertical with bearing axis direction, making with the first installation Metal fittings 12 entirety of main body 26 barrel shape extended along the direction vertical with bearing axis direction by comprising bracket press-in portion 24.
In addition, in said embodiment, the load input direction when vehicle deceleration, namely implements welding in left wall 34 side of bracket press-in portion 24 and arranges welding bead 74, but being not limited to this form, also can implement welding in You Bi side and arrange welding bead.Or, also can implement welding at upper wall and welding bead is set at the upper surface of upper wall.As long as in so any structure, be also yielding rubber is located at the position of departing from welding bead.
In addition, in said embodiment, make as the upper end part in the roughly left wall 34 in the bight of the bracket press-in portion 24 of polygonal barrel shape be welding part to arrange welding bead, but such as also can in the intermediate portion setting welding part of the wall portion of general planar.
description of reference numerals
10, engine bearer (isolation mounting); 12, first Metal fittings (the first installation component) are installed; 14, second Metal fittings (the second installation component) are installed; 16, main rubber elastomer; 24, bracket press-in portion; 26, main body; 28, upper wall (planar portion); 32, You Bi; 34, Zuo Bi; 42, through hole; 48, filled rubber; 50, inner circumferential covers rubber layer; 52, periphery covers rubber layer; 54, the first yielding rubber; 56, the second yielding rubber; 58, the 3rd yielding rubber; 74, welding bead; 76, lip part.
Claims (6)
1. an isolation mounting, first installation component and second installation component of this isolation mounting utilize main rubber elastomer joint, and be provided with the bracket press-in portion of tubular at this first installation component and be fixed on the elastomeric main body of this main rubber, the feature of this isolation mounting is
Described first installation component comprising described main body and described bracket press-in portion utilizes metal plate punching accessory to be integrally formed, the two end portions of this metal plate punching accessory is docked in the circumferential at this bracket press-in portion place and is welded together, and be provided with yielding rubber in the position of departing from the welding bead that this welding produces in the circumferential of the outer circumferential face of this bracket press-in portion, form limited part by the inner peripheral portion departing from this welding bead of this yielding rubber and this bracket press-in portion.
2. isolation mounting according to claim 1, wherein,
The position being positioned at the side contrary with described main body on the week of described bracket press-in portion is provided with described yielding rubber outstanding toward the outer side and is configured for bearing the first limited part of main load, and
Any one in the sidewall position of the both sides between this main body and this first limited part on the week of this bracket press-in portion is provided with described welding bead.
3. isolation mounting according to claim 2, wherein,
Be equipped with yielding rubber outstanding laterally at the sidewall position of described both sides, thus form the second limited part and the 3rd limited part, and
This sidewall position of the one that arbitrary input load in this second limited part and the 3rd limited part is less is provided with described welding bead.
4. according to the isolation mounting in claims 1 to 3 described in any one, wherein,
Described bracket press-in portion has at least one bight on week, makes the end face of the side of the one end portion of described metal plate punching accessory and the other end part of described metal plate punching accessory dock in this bight and be welded together.
5. isolation mounting according to claim 4, wherein,
The planar portion that the input direction being set as the load main with this for the position of bearing main load of described bracket press-in portion generally perpendicularly extends, and be provided with described bight in the end of the circumferential side of this planar portion, make the side of the one end portion extended from this planar portion of described metal plate punching accessory dock with the end face of the other end part of described metal plate punching accessory and be welded together, thus utilize the one end portion extended from this planar portion of this metal plate punching accessory on the input direction of this main load, cover described welding bead.
6. according to the isolation mounting in Claims 1 to 5 described in any one, wherein,
Described main body is formed as having from described bracket press-in portion outstanding to outer peripheral side and to the deep drawn shape of side opening in this bracket press-in portion, and be formed with through hole in this main body, the filled rubber and the described main rubber elastomer that are filled in this main body link integratedly via this through hole, and the covering rubber layer covering the inner peripheral surface of this bracket press-in portion is formed as linking integratedly with this filled rubber and main rubber elastomer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-236870 | 2013-11-15 | ||
| JP2013236870A JP6157000B2 (en) | 2013-11-15 | 2013-11-15 | Vibration isolator |
| PCT/JP2014/072954 WO2015072209A1 (en) | 2013-11-15 | 2014-09-01 | Vibration-damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105378330A true CN105378330A (en) | 2016-03-02 |
| CN105378330B CN105378330B (en) | 2018-03-09 |
Family
ID=53057155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480039867.6A Active CN105378330B (en) | 2013-11-15 | 2014-09-01 | Isolation mounting |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6157000B2 (en) |
| CN (1) | CN105378330B (en) |
| DE (1) | DE112014005227T5 (en) |
| WO (1) | WO2015072209A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108884904A (en) * | 2016-03-31 | 2018-11-23 | 山下橡胶株式会社 | Antihunting device |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6502177B2 (en) * | 2015-05-28 | 2019-04-17 | 株式会社ブリヂストン | Vibration control device |
| JP6473063B2 (en) * | 2015-09-28 | 2019-02-20 | 本田技研工業株式会社 | Vibration isolator |
| JP6537958B2 (en) * | 2015-11-19 | 2019-07-03 | 住友理工株式会社 | Vibration isolator with bracket |
| JP6704807B2 (en) * | 2016-07-04 | 2020-06-03 | 株式会社ブリヂストン | Anti-vibration device |
| US11493084B2 (en) | 2018-11-16 | 2022-11-08 | Liebherr-Components Colmar Sas | Trunnion mount for mounting an engine |
| US11351852B2 (en) | 2018-11-16 | 2022-06-07 | Liebherr-Components Colmar Sas | Trunnion mount for mounting an engine |
| JP7131353B2 (en) * | 2018-12-10 | 2022-09-06 | スズキ株式会社 | Straddle-type vehicle fuel tank structure |
| JP7493437B2 (en) | 2020-12-01 | 2024-05-31 | 住友理工株式会社 | Anti-vibration device |
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| JP2013190037A (en) * | 2012-03-14 | 2013-09-26 | Tokai Rubber Ind Ltd | Vibration control device |
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| JPH0342481A (en) * | 1989-07-10 | 1991-02-22 | Hitachi Ltd | Display device for elevator |
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- 2013-11-15 JP JP2013236870A patent/JP6157000B2/en active Active
-
2014
- 2014-09-01 DE DE112014005227.2T patent/DE112014005227T5/en not_active Withdrawn
- 2014-09-01 WO PCT/JP2014/072954 patent/WO2015072209A1/en active Application Filing
- 2014-09-01 CN CN201480039867.6A patent/CN105378330B/en active Active
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| JPH08226487A (en) * | 1995-02-22 | 1996-09-03 | Kurashiki Kako Co Ltd | Engine mount structure |
| CN1782460A (en) * | 2004-09-30 | 2006-06-07 | 东海橡胶工业株式会社 | Fluid filled vibration damping device |
| JP2009196512A (en) * | 2008-02-22 | 2009-09-03 | Tokai Rubber Ind Ltd | Engine mount with bracket |
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| CN108884904A (en) * | 2016-03-31 | 2018-11-23 | 山下橡胶株式会社 | Antihunting device |
| CN108884904B (en) * | 2016-03-31 | 2020-12-11 | 山下橡胶株式会社 | Vibration-proof device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6157000B2 (en) | 2017-07-05 |
| CN105378330B (en) | 2018-03-09 |
| JP2015096754A (en) | 2015-05-21 |
| DE112014005227T5 (en) | 2016-08-18 |
| WO2015072209A1 (en) | 2015-05-21 |
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