CN108790767A - A kind of engine vibration-damping structure - Google Patents

Abstract

A kind of engine vibration-damping structure, including rear-suspending assembly and rear suspension bracket, rear-suspending assembly includes outer skeleton and cushion assembly, dermoskeleton erection is equipped with and the matched inner cavity of cushion assembly, cushion assembly includes inner frame and the rubber unit of its both sides setting, rubber unit and the rectangular channel of inner cavity both sides setting inlay cooperation, outer skeleton is connected with vehicle frame, inner frame is trapezium structure, two No.1 convex blocks being in contact with inner cavity top are provided on the long bottom edge of inner frame, outwardly extending No. two convex blocks are provided on the long bottom edge of inner frame, the mounting hole being connected with rear suspension bracket is offered on No. two convex blocks, the short bottom edge of inner frame and the bottom connection of inner cavity touch, the bottom of inner cavity is provided with outwardly extending flange, the No.1 reinforcing rib of more arranged crosswises is provided between flange and the bottom surface of outer skeleton.Not only good damping result, bearing capacity are strong by the design, but also reliability is high, service life is long, light-weight.

Description

A kind of engine vibration-damping structure

Technical field

The present invention relates to technical field of engines more particularly to a kind of engine vibration-damping structures, are primarily adapted for use in raising and subtract Shake effect, improve bearing capacity.

Background technology

Existing engine vibration-damping is generally in the form of between engine hold-down support and vehicle frame hold-down support plus a rubber Pad, is then connected two hold-down supports by rubber pad by fixing bolt, effectiveness in vibration suppression is poor；There are also automobiles to be By the front and back fixed form of engine and vehicle frame all using vertical direction structure type vibration damping, the structure not only bearing capacity Difference, and effectiveness in vibration suppression is poor.

Chinese patent, Authorization Notice No. CN201205863Y, authorized announcement date are the utility model on March 11st, 2009 Patent discloses a kind of rear suspension bracket cushion assembly, it includes bracket assembly and is inserted into bracket assembly inner cavity and is bonded therewith Rear-suspending cushion assembly, the cushion assembly includes the seat of honour and both sides rubber system cubic units, cushion assembly the seat of honour with It is equipped with intermediate plate between limiting plate, is V-structure inside the bracket assembly, both sides are provided with to be limited for accommodating in cushion assembly The rectangular channel of position plate.Although the utility model has effectiveness in vibration suppression and fatigue performance, it still has following defect：It should The top at the rear-suspending cushion assembly seat of honour is directly connected with rear suspension bracket in utility model, and is carried on the back by bracket assembly inner cavity The convex block in portion is limited so that rear-suspending cushion assembly is also easy to produce shaking after working long hours so that effectiveness in vibration suppression compared with Difference, in addition, the bottom bearing capacity of rear suspension bracket assembly is poor.

Invention content

The purpose of the present invention is overcome the problems, such as poor effectiveness in vibration suppression existing in the prior art, defect of bearing capacity difference and, There is provided a kind of good damping result, bearing capacity strong engine vibration-damping structure.

In order to achieve the above object, technical solution of the invention is：A kind of engine vibration-damping structure, including rear-suspending are total At with rear suspension bracket, the rear-suspending assembly includes outer skeleton and cushion assembly, and the dermoskeleton erection is equipped with and cushion assembly The back of matched inner cavity, outer skeleton is provided with multiple swivel nuts, and the cushion assembly includes inner frame and the setting of its both sides Rubber unit, the rectangular channel of the rubber unit and inner cavity both sides setting inlays cooperation, one end of the rear suspension bracket and Engine is connected, and the other end of rear suspension bracket is connected with inner frame, and the outer skeleton is connected by swivel nut with vehicle frame；

The inner frame is trapezium structure, on the long bottom edge of inner frame setting there are two No.1 convex block, two No.1 convex blocks with it is interior It is in contact at the top of chamber, outwardly extending No. two convex blocks is provided on the long bottom edge of the inner frame, are offered on No. two convex blocks The mounting hole being connected with rear suspension bracket, the short bottom edge of the inner frame and the bottom connection of inner cavity touch, the bottom of the inner cavity Portion is provided with outwardly extending flange, and the No.1 that more arranged crosswises are provided between the flange and the bottom surface of outer skeleton is reinforced Muscle.

The rectangular channel is provided with No.1 fillet close to the side of inner cavity, and side of the rectangular channel far from inner cavity is provided with No. two Fillet, the radius of the No.1 fillet are less than the radius of No. two fillets.

Position on the back of the outer skeleton between two neighboring swivel nut is provided with No. two reinforcing ribs；The dermoskeleton The back of frame is provided with multiple positive stop lug boss, the positive stop lug boss and No. three reinforcements is provided between the swivel nut of its surrounding Muscle.

Rubber is arranged on the peripheral surface of the inner frame, rubber is integrated with inner frame vulcanization, the rubber unit packet No.1 metal spacing plate, No.1 rubber block, No. two metal spacing plates are included, one end of the No.1 metal spacing plate is connected with rubber It connects, the other end of No.1 metal spacing plate is connected with one end of No.1 rubber block, the other end of No.1 rubber block and No. two gold The one end for belonging to limiting plate is connected, and the other end of No. two metal spacing plates is provided with No. two rubber blocks of polylith, No. two metals Limiting plate inlays cooperation with rectangular channel, and No. two rubber blocks are in contact with the inner wall of rectangular channel.

More No. four reinforcing ribs are provided on the peripheral surface of the outer skeleton, No. four reinforcing ribs are right-angled trapezium knot The long bottom edge of structure, No. four reinforcing ribs is connected with the bottom of outer skeleton, the peripheral surface of the right angle waist of No. four reinforcing ribs and outer skeleton It is connected.

The manufacture material of the outer skeleton is aluminium alloy.

Compared with prior art, beneficial effects of the present invention are：

1, inner frame is trapezium structure in a kind of engine vibration-damping structure of the present invention, and there are two one for setting on the long bottom edge of inner frame Number convex block is in contact at the top of two No.1 convex blocks and inner cavity, be provided on the long bottom edge of inner frame outwardly extending No. two it is convex Block offers the mounting hole being connected with rear suspension bracket, the short bottom edge of inner frame and the bottom connection of inner cavity on No. two convex blocks It touches, the bottom of inner cavity is provided with outwardly extending flange, and more arranged crosswises are provided between flange and the bottom surface of outer skeleton No.1 reinforcing rib, using above-mentioned design inner frame and add flange, No.1 reinforcing rib, not only increase effectiveness in vibration suppression, and And enhance the bearing capacity of vertical direction.Therefore, good damping result of the present invention, bearing capacity are strong.

2, rectangular channel is provided with No.1 fillet, rectangular channel close to the side of inner cavity in a kind of engine vibration-damping structure of the present invention Side far from inner cavity is provided with No. two fillets, and the radius of No.1 fillet is less than the radius of No. two fillets, and above-mentioned design enhances The bearing capacity of two inclined-plane of outer skeleton in the perpendicular direction, while reducing the stress value of rectangular channel；The peripheral surface of inner frame On be arranged with rubber, rubber is integrated with inner frame vulcanization, and rubber unit includes No.1 metal spacing plate, No. two metal spacing plates And the No.1 rubber block being arranged between, No. two metal spacing plates are inlayed cooperation with rectangular channel, are arranged on No. two metal spacing plates There are No. two rubber blocks of polylith, No. two rubber blocks to be in contact with the inner wall of rectangular channel, such design not only good damping result, but also No. two rubber blocks are set, increase lateral frictional force, while reducing the damage of No. two external skeletons of metal spacing plate.Cause This, bearing capacity of the present invention is strong, reliability is high, good damping result, service life are long.

3, the position on a kind of back of engine vibration-damping structure of the invention China and foreign countries skeleton between two neighboring swivel nut It is provided with No. two reinforcing ribs；The back of outer skeleton is provided with multiple positive stop lug boss, positive stop lug boss and the swivel nut positioned at its surrounding it Between be provided with No. three reinforcing ribs, above-mentioned design enhances bearing capacity of the cushion assembly by shock loading laterally inward when；Dermoskeleton More No. four reinforcing ribs are provided on the peripheral surface of frame, the manufacture material of outer skeleton is aluminium alloy, and such design is so that dermoskeleton The structural strength of frame is high, light-weight.Therefore, bearing capacity of the present invention is strong, light-weight.

Description of the drawings

Fig. 1 is the structural schematic diagram of the present invention.

Fig. 2 is the structural schematic diagram of rear-suspending assembly in Fig. 1.

Fig. 3 is the packing figure of rear-suspending assembly in Fig. 1.

Fig. 4 is the structural schematic diagram of the China and foreign countries Fig. 2 skeleton.

Fig. 5 is the structural schematic diagram of rectangular channel in Fig. 3.

Fig. 6 is the China and foreign countries Fig. 2 skeletal back and the structural schematic diagram of bottom.

Fig. 7 is the structural schematic diagram of cushion assembly in Fig. 2.

In figure：Rear-suspending assembly 1, outer skeleton 11, inner cavity 111, rectangular channel 112, flange 113, No.1 fillet 114, two 115, No. four reinforcing ribs 116 of fillet, cushion assembly 12, swivel nut 13, inner frame 14,141, No. two convex blocks 142 of No.1 convex block, installation 152, No. two hole 143, rubber 144, rubber unit 15, No.1 metal spacing plate 151, No.1 rubber block metal spacing plates 153, two Number rubber block 154,16, No. two reinforcing ribs 17 of No.1 reinforcing rib, positive stop lug boss 18, No. three reinforcing ribs 19, rear suspension bracket 2, vehicles Frame 3.

Specific implementation mode

Below in conjunction with description of the drawings, the present invention is described in further detail with specific implementation mode.

Referring to Fig. 1 to Fig. 7, a kind of engine vibration-damping structure, including rear-suspending assembly 1 and rear suspension bracket 2, the rear overhang It includes outer skeleton 11 and cushion assembly 12 to set assembly 1, and the outer skeleton 11 is provided with and 12 matched inner cavity of cushion assembly 111, the back of outer skeleton 11 is provided with multiple swivel nuts 13, and the cushion assembly 12 includes that inner frame 14 and its both sides are arranged Rubber unit 15, the rubber unit 15 and the rectangular channel 112 of 111 both sides of inner cavity setting inlay cooperation, the rear suspension bracket 2 One end be connected with engine, the other end of rear suspension bracket 2 is connected with inner frame 14, and the outer skeleton 11 passes through swivel nut 13 are connected with vehicle frame 3；

The inner frame 14 is trapezium structure, is arranged on the long bottom edge of inner frame 14 there are two No.1 convex block 141, two No.1s are convex Block 141 is in contact with the top of inner cavity 111, and outwardly extending No. two convex blocks 142 are provided on the long bottom edge of the inner frame 14, The mounting hole 143 being connected with rear suspension bracket 2, the short bottom edge of the inner frame 14 and inner cavity are offered on No. two convex blocks 142 111 bottom connection touches, and the bottom of the inner cavity 111 is provided with outwardly extending flange 113, the flange 113 and outer skeleton The No.1 reinforcing rib 16 of more arranged crosswises is provided between 11 bottom surface.

The rectangular channel 112 is provided with No.1 fillet 114 close to the side of inner cavity 111, and rectangular channel 112 is far from inner cavity 111 Side be provided with No. two fillets 115, the radius of the No.1 fillet 114 is less than the radius of No. two fillets 115.

Position on the back of the outer skeleton 11 between two neighboring swivel nut 13 is provided with No. two reinforcing ribs 17；Institute The back for stating outer skeleton 11 is provided with multiple positive stop lug boss 18, the positive stop lug boss 18 and is set between the swivel nut 13 of its surrounding It is equipped with No. three reinforcing ribs 19.

Rubber 144 is arranged on the peripheral surface of the inner frame 14, rubber 144 is integrated with the vulcanization of inner frame 14, described Rubber unit 15 includes 152, No. two No.1 metal spacing plate 151, No.1 rubber block metal spacing plates 153, the No.1 metal One end of limiting plate 151 is connected with rubber 144, one end of the other end and No.1 rubber block 152 of No.1 metal spacing plate 151 It is connected, the other end of No.1 rubber block 152 is connected with one end of No. two metal spacing plates 153, No. two metal spacing plates 153 The other end be provided with No. two rubber blocks 154 of polylith, No. two metal spacing plates 153 inlay cooperation with rectangular channel 112, described No. two rubber blocks 154 are in contact with the inner wall of rectangular channel 112.

More No. four reinforcing ribs 116 are provided on the peripheral surface of the outer skeleton 11, No. four reinforcing ribs 116 are right angle The long bottom edge of trapezium structure, No. four reinforcing ribs 116 is connected with the bottom of outer skeleton 11, the right angle waist of No. four reinforcing ribs 116 with The peripheral surface of outer skeleton 11 is connected.

The manufacture material of the outer skeleton 11 is aluminium alloy.

The principle of the present invention is described as follows：

Existing rear-suspending cushion assembly bracket uses steel-casting, the high characteristic of steel-casting quality to be simultaneously unsatisfactory for the light-weighted need of vehicle It asks, engine cast aluminium rear-suspending cushion assembly compares steel-casting, and every weight reduces 3kg；Rear-suspending assembly is by outer skeleton, cushion Assembly and the swivel nut being cast in outer skeleton are constituted；Cushion assembly is by skeleton, rubber, metal spacing plate, rubber block vulcanization one Body forms, cushion assembly and outer skeleton from metal spacing plate inlayed by rectangular channel be fixed together.

Bracket（Outer skeleton）The flange of bottom, the reinforcing rib of bracket bottom surface are mainly used for enhancing holding for bottom surface vertical direction Loading capability；The not equal fillets of rubber unit card slot both sides, are mainly used for enhancing the bearing capacity of two inclined-planes in the perpendicular direction, The stress value near card slot is reduced simultaneously；Local strengthening at rubber unit buckle avoids laterally pull-out soft for enhancing outer skeleton The bearing capacity of assembly is padded, meanwhile, also promote the bearing capacity of cushion assembly vertical direction tension；Aluminium alloy external support back Positive stop lug boss is for enhancing bearing capacity of the cushion assembly by shock loading laterally inward when；Rubber unit and aluminium alloy external support The rubber of junction increases lateral frictional force, while metal spacing plate also being avoided to be in direct contact with aluminium alloy external support, reduces Damage of the metallic plate to aluminium alloy bracket.

Embodiment 1：

Referring to Fig. 1 to Fig. 7, a kind of engine vibration-damping structure, including rear-suspending assembly 1 and rear suspension bracket 2, the rear-suspending are total Include outer skeleton 11 and cushion assembly 12 at 1, the outer skeleton 11 be provided with 12 matched inner cavity 111 of cushion assembly, outside The back of skeleton 11 is provided with multiple swivel nuts 13, and the cushion assembly 12 includes inner frame 14 and the macintoss that its both sides is arranged Member 15, the rubber unit 15 and the rectangular channel 112 of 111 both sides of inner cavity setting inlay cooperation, one end of the rear suspension bracket 2 It is connected with engine, the other end of rear suspension bracket 2 is connected with inner frame 14, and the outer skeleton 11 passes through swivel nut 13 and vehicle Frame 3 is connected；The inner frame 14 is trapezium structure, and setting is there are two No.1 convex block 141 on the long bottom edge of inner frame 14, two No.1 convex block 141 is in contact with the top of inner cavity 111, be provided on the long bottom edge of the inner frame 14 outwardly extending No. two it is convex Block 142 offers the mounting hole 143 being connected with rear suspension bracket 2, the short bottom edge of the inner frame 14 on No. two convex blocks 142 Touched with the bottom connection of inner cavity 111, the bottom of the inner cavity 111 is provided with outwardly extending flange 113, the flange 113 with The No.1 reinforcing rib 16 of more arranged crosswises is provided between the bottom surface of outer skeleton 11；It is located at phase on the back of the outer skeleton 11 Position between adjacent two swivel nuts 13 is provided with No. two reinforcing ribs 17；The back of the outer skeleton 11 is provided with multiple positive stop lug boss 18, the positive stop lug boss 18 and No. three reinforcing ribs 19 are provided between the swivel nut 13 of its surrounding；Outside the outer skeleton 11 It is provided with more No. four reinforcing ribs 116 on circumferential surface, No. four reinforcing ribs 116 are ladder structure of right angle, No. four reinforcing ribs 116 Long bottom edge is connected with the bottom of outer skeleton 11, and the right angle waist of No. four reinforcing ribs 116 is connected with the peripheral surface of outer skeleton 11；Institute The manufacture material for stating outer skeleton 11 is aluminium alloy.

Embodiment 2：

Substance with embodiment 1, the difference is that：

Referring to Fig. 1 to Fig. 7, the rectangular channel 112 is provided with No.1 fillet 114 close to the side of inner cavity 111, and rectangular channel 112 is remote Side from inner cavity 111 is provided with No. two fillets 115, and the radius of the No.1 fillet 114 is less than the radius of No. two fillets 115； Rubber 144 is arranged on the peripheral surface of the inner frame 14, rubber 144 is integrated with the vulcanization of inner frame 14, the rubber unit 15 include 152, No. two No.1 metal spacing plate 151, No.1 rubber block metal spacing plates 153, the No.1 metal spacing plate 151 One end be connected with rubber 144, the other end of No.1 metal spacing plate 151 is connected with one end of No.1 rubber block 152, one The other end of number rubber block 152 is connected with one end of No. two metal spacing plates 153, the other end of No. two metal spacing plates 153 No. two rubber blocks 154 of polylith are provided with, No. two metal spacing plates 153 inlay cooperation, No. two rubber with rectangular channel 112 Block 154 is in contact with the inner wall of rectangular channel 112.

Claims (6)

1. a kind of engine vibration-damping structure, including rear-suspending assembly（1）With rear suspension bracket（2）, the rear-suspending assembly（1）Packet Include outer skeleton（11）With cushion assembly（12）, the outer skeleton（11）It is provided with and cushion assembly（12）Matched inner cavity （111）, outer skeleton（11）Back be provided with multiple swivel nuts（13）, the cushion assembly（12）Including inner frame（14）And its The rubber unit of both sides setting（15）, the rubber unit（15）With inner cavity（111）The rectangular channel of both sides setting（112）It inlays and matches It closes, the rear suspension bracket（2）One end be connected with engine, rear suspension bracket（2）The other end and inner frame（14）Phase Connection, the outer skeleton（11）Pass through swivel nut（13）With vehicle frame（3）It is connected, it is characterised in that：

The inner frame（14）For trapezium structure, inner frame（14）Long bottom edge on setting there are two No.1 convex block（141）, two No.1 convex block（141）With inner cavity（111）Top be in contact, the inner frame（14）Long bottom edge on be provided with it is outwardly extending No. two convex blocks（142）, No. two convex blocks（142）On offer and rear suspension bracket（2）The mounting hole being connected（143）, described interior Skeleton（14）Short bottom edge and inner cavity（111）Bottom connection touch, the inner cavity（111）Bottom be provided with outwardly extending turn over Side（113）, the flange（113）With outer skeleton（11）Bottom surface between be provided with the No.1 reinforcing ribs of more arranged crosswises （16）.

2. a kind of engine vibration-damping structure according to claim 1, it is characterised in that：The rectangular channel（112）Close to interior Chamber（111）Side be provided with No.1 fillet（114）, rectangular channel（112）Far from inner cavity（111）Side be provided with No. two fillets （115）, the No.1 fillet（114）Radius be less than No. two fillets（115）Radius.

3. a kind of engine vibration-damping structure according to claim 1, it is characterised in that：The outer skeleton（11）Back on Positioned at two neighboring swivel nut（13）Between position be provided with No. two reinforcing ribs（17）；The outer skeleton（11）Back be provided with Multiple positive stop lug boss（18）, the positive stop lug boss（18）With the swivel nut positioned at its surrounding（13）Between be provided with No. three reinforcing ribs （19）.

4. a kind of engine vibration-damping structure according to claim 1, it is characterised in that：The inner frame（14）Peripheral surface On be arranged with rubber（144）, rubber（144）With inner frame（14）Vulcanization is integrated, the rubber unit（15）Including No.1 gold Belong to limiting plate（151）, No.1 rubber block（152）, No. two metal spacing plates（153）, the No.1 metal spacing plate（151）One End and rubber（144）It is connected, No.1 metal spacing plate（151）The other end and No.1 rubber block（152）One end be connected, No.1 rubber block（152）The other end and No. two metal spacing plates（153）One end be connected, No. two metal spacing plates（153） The other end be provided with No. two rubber blocks of polylith（154）, No. two metal spacing plates（153）With rectangular channel（112）It inlays and matches It closes, No. two rubber blocks（154）With rectangular channel（112）Inner wall be in contact.

5. a kind of engine vibration-damping structure according to claim 1, it is characterised in that：The outer skeleton（11）Peripheral surface On be provided with more No. four reinforcing ribs（116）, No. four reinforcing ribs（116）For ladder structure of right angle, No. four reinforcing ribs（116） Long bottom edge and outer skeleton（11）Bottom be connected, No. four reinforcing ribs（116）Right angle waist and outer skeleton（11）Peripheral surface It is connected.

6. a kind of engine vibration-damping structure according to any one of claim 1-5, it is characterised in that：The outer skeleton （11）Manufacture material be aluminium alloy.