CN105196854A - Longitudinal engine mount installation structure - Google Patents
Longitudinal engine mount installation structure Download PDFInfo
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- CN105196854A CN105196854A CN201510776614.3A CN201510776614A CN105196854A CN 105196854 A CN105196854 A CN 105196854A CN 201510776614 A CN201510776614 A CN 201510776614A CN 105196854 A CN105196854 A CN 105196854A
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- main body
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- mounting
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Abstract
The invention relates to a longitudinal engine mount structure. The structure comprises a mount rubber main body, a mount cover plate and a mount support, wherein the mount rubber main body comprises a lower installation plate, main body rubber and an upper installation plate; the lower installation plate comprises a flat plate shaped lower installation plate main body; the upper installation plate comprises an upper installation plate main body and first and second limiting parts at the two ends; the mount cover plate comprises a cover plate main body; the mount support comprises a mount support body; three engine installation holes and an installation bolt through hole are formed in the mount support body. The structure has the beneficial effects that reasonable setting of a mount limiting structure is achieved and the mount limiting function failure is avoided by improving the lower and upper installation plate structures of the mount rubber main body, the mount cover plate structure and the mount support structure.
Description
Technical field
The invention belongs to engine mounting technical field, refer to a kind of longitudinal engine suspension mounting structure especially.
Background technology
Longitudinal dynamic assembly suspension application is comparatively extensive, is suitable for the vehicle such as part car, most of MPV and pick up, light card.
The layout of existing longitudinal dynamic assembly suspension as shown in Figure 1, arrange along vehicle forward direction by whole dynamic assembly.There is angle (because dynamic assembly generally exists hypsokinesis angle) in general bent axle and car load working direction, be symmetrically arranged on front side of driving engine a pair inclined engine suspension 1, V-shaped layout (arranging angle generally at 20 degree to 50 degree not etc.), a gear box suspension 2 is arranged in change speed gear box rear end.
Each suspension effect: vehicle advances, when falling back, dynamic assembly mainly exist around X to torsion force, now mainly rely on left and right engine mounting to overcome torsion force; When vehicle falls hole or crosses lanyard, there is force of inertia in Z-direction in dynamic assembly, now jointly overcomes by, left and right engine mounting and gear box suspension.During sharply turning, there is side direction (Y-direction) force of inertia in dynamic assembly.Above-mentioned three suspensions of same dependence overcome.
During normal vehicle operation, be generally enough to overcome torsion and force of inertia by suspended rubber distortion.But when in the situations such as road surface is too severe, driving maloperation, suspension system needs to a certain degree restricted power assembly displacement, avoids dynamic assembly displacement excessive, causes suspended rubber to tear or cause producing the phenomenons such as dynamic interference with its Surrounding Parts.Therefore, the setting suspending limiting displacement structure is most important.
As shown in Figures 2 to 5, a kind of dynamic assembly arrangement of existing technology, includes engine beam 3, engine mounting 1, speed changing box support beam 4 and gear box suspension 2; When in conjunction with dynamic assembly correlation parameter, setting engine mounting and installation angle.
Wherein suspension structure of engine includes body of rubber 11, suspension cover plate 12 and mounting bracket 13; Body of rubber 11 includes lower installation board 111, main rubber 112 and upper mounting plate 113.Three mounting holes of mounting bracket and engine cylinder-body are installed, and suspend cover plate and mounting bracket and are threaded connection with the upper mounting plate of body of rubber, for being rigidly connected.That is, mounting bracket, suspension cover plate, upper mounting plate move together along with driving engine.
In the structure shown here, there is spacing relation in the lower installation board (fixing with on engine beam, with vehicle body for being rigidly connected) of suspension cover plate and body of rubber, is polysulphide rubbers outside lower installation board position limiting structure.
This kind of position limiting structure can have by limiting displacement: X all exists spacing to positive negative sense, and the positive negative sense of Y-direction all exists spacing, and Z-direction negative direction exists spacing, Z-direction forward infinite place.
Therefore, there is drawback in existing mounting structure, when dynamic assembly weight is large, and the such as upper driving engine of light card, on dynamic assembly in jump process, left and right suspended rubber body can be caused upwards to produce larger stretching, impact is existed on suspended rubber endurance quality, more very when suspending cover plate lower edge height spacing higher than the lower installation board of body of rubber, there is force of inertia in side direction, after causing suspension cover plate to fall after rise, be stuck between main rubber and lower installation board, cause limit function to lose efficacy.Large for dynamic assembly quality, use the vehicle that road surface operating mode is more severe, under some limit Ministry of worker, cause suspension limit function to lose efficacy.
Summary of the invention
The object of the invention is to propose improvement opportunity scheme to the mounting structure of existing technology, by the technical program, realize controlling dynamic assembly displacement, prevent from producing dynamic interference with other week edge pieces, prevent limit function to lose efficacy.
The present invention is achieved by the following technical solutions:
A kind of longitudinal suspension structure of engine, includes suspended rubber main body, suspension cover plate and mounting bracket; Described suspended rubber main body, described suspension cover plate and described mounting bracket connect successively;
Described suspended rubber main body includes lower installation board, main rubber and upper mounting plate; Described lower installation board and described upper mounting plate are structure as a whole by described main rubber sulfuration;
Described lower installation board includes plate shaped lower installation board main body, is positioned at the first extension and second extension at described lower installation board main body two ends; Described first extension is provided with the first mounting hole, described second extension is provided with the second elongated hole;
Described upper mounting plate includes the first limiting section and the second limiting section that upper mounting plate main body and described upper mounting plate main body two ends are bent to form to described lower installation board direction; Described upper mounting plate is fixed with hold-down bolt and locating dowel pin; The upper surface of described upper mounting plate is provided with the first spacing layer;
Described suspension cover plate includes cover plate main body, and at the first installation portion of two sides of described cover plate main body and the second installation portion; Described first installation portion is provided with the 3rd mounting hole, described second installation portion is provided with the 4th mounting hole; Described first installation portion matches with described first extension, and described first mounting hole is corresponding with described 3rd mounting hole; Described second installation portion matches with described second extension, and described second mounting hole is corresponding with described 4th mounting hole; Described cover plate main body is provided with through hole; Described hold-down bolt and described locating dowel pin are through described through hole; The upper surface of described cover plate main body is provided with the second spacing layer;
Described mounting bracket includes mounting bracket body, and described mounting bracket body is provided with three engine mounting holes and a hold-down bolt through hole; Described hold-down bolt hole is arranged on the described mounting bracket body joint face corresponding with described cover plate main body; Described hold-down bolt is through described hold-down bolt hole.
On the surfaces externally and internally of described first limiting section and the surfaces externally and internally of described second limiting section, equal sulfuration has rubber layer.
At the outside face of described upper mounting plate, described hold-down bolt and described locating dowel pin are provided with boss structure; Rubber layer is had in the outside face sulfuration of described boss structure.
Described through hole is slotted eye, and described hold-down bolt and described locating dowel pin are simultaneously through described through hole.
The difference of the width of the width inside described cover plate main body and described first limiting section is less than, the difference of the short axis width of described through hole and the diameter of described boss structure.
Described joint face is provided with extension; Described extension forms position limiting structure.
The invention has the beneficial effects as follows:
The present invention, by the improvement of the lower installation board structure to suspended rubber main body, upper mounting plate structure, suspension covering plate structure and mounting bracket structure, realizes the reasonable setting of suspension position limiting structure, avoids suspension limit function and loses efficacy.
Accompanying drawing explanation
Fig. 1 is existing technology longitudinal dynamic assembly suspension layout schematic diagram;
Fig. 2 is existing technology dynamics assembly suspension system layout schematic diagram;
Fig. 3 is existing technology engine mounting exploded drawings;
Fig. 4 is existing technology body of rubber structural representation;
Fig. 5 is existing technology engine mounting cutaway drawing;
Fig. 6 is suspension structure of engine schematic diagram of the present invention;
Fig. 7 is engine mounting exploded drawings of the present invention;
Fig. 8 is suspended rubber agent structure schematic diagram of the present invention;
Fig. 9 is that the present invention suspends covering plate structure schematic diagram;
Figure 10 is mounting bracket structural representation of the present invention;
Figure 11 is engine mounting mounting structure schematic diagram of the present invention.
Description of reference numerals
1 engine mounting, 2 gear box suspensions, 3 engine beams, 4 speed changing box support beams, 11 body of rubber, 12 suspension cover plates, 13 mounting brackets, 111 lower installation boards, 112 main rubbers, 113 upper mounting plates, 01 suspended rubber main body, 02 suspension cover plate, 03 mounting bracket, 04 first spacing layer, 05 second spacing layer, 06 hold-down bolt, 07 locating dowel pin, 08 boss structure, 09 rubber layer, 011 lower installation board, 012 main rubber, 013 upper mounting plate, 0111 lower installation board main body, 0112 first extension, 0113 second extension, 021 cover plate main body, 022 first installation portion, 023 second installation portion, 024 through hole, 031 engine mounting holes, 032 hold-down bolt through hole, 033 joint face, 034 position limiting structure.
Detailed description of the invention
Describe technical scheme of the present invention in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
In this application, X is system of axes direction to, Y-direction and Z-direction.
The invention provides a kind of longitudinal suspension structure of engine, as shown in Fig. 6 to Figure 11, include suspended rubber main body 01, suspension cover plate 02 and mounting bracket 03; Described suspended rubber main body, described suspension cover plate and described mounting bracket connect successively; In this application, the connection mode of suspended rubber main body, suspension cover plate and the connection mode of mounting bracket and the engine mounting of the application and engine bed beam, engine cylinder-body and setting angle etc. all do not change, can avoid like this producing large interference to manufacturing line, and the technical scheme of the application in fact to existing manufacturing line except the raising of speed of production, there is no other impact.
Described suspended rubber main body 01 includes lower installation board 011, main rubber 012 and upper mounting plate 013; Described lower installation board and described upper mounting plate are structure as a whole by described main rubber sulfuration; This connection mode is also identical with the annexation of the suspended rubber main body of existing technology, and what change is some parts in suspended rubber main body, and the main object of the improvement of these parts is in actual use, driving engine produces the problem of spacing inefficacy when large displacement is impacted.
Described lower installation board 011 includes plate shaped lower installation board main body 0111, is positioned at first extension 0112 and second extension 0113 at described lower installation board main body two ends; Described first extension is provided with the first mounting hole, described second extension is provided with the second elongated hole; In this application, being cancelled by the position limiting structure be arranged on lower installation board in existing technology being improved to of lower installation board, to avoid the generation to suspension cover plate stuck situation in the limiting case, is the key that the application avoids the spacing inefficacy of engine mounting.
Described upper mounting plate 013 includes the first limiting section and the second limiting section that upper mounting plate main body and described upper mounting plate main body two ends are bent to form to described lower installation board direction; Described upper mounting plate is fixed with hold-down bolt and locating dowel pin; The upper surface of described upper mounting plate 013 is provided with the first spacing layer 04; The application, by arranging position limiting structure on upper mounting plate, can either avoid the problem occurring spacing inefficacy, in turn ensure that spacing function is unaffected.On the surfaces externally and internally of described first limiting section and the surfaces externally and internally of described second limiting section, equal sulfuration has rubber layer.Such vulcanised rubber layer can be avoided producing abnormal sound when spacing, and affects the comfort property of car load.
Described suspension cover plate 02 includes cover plate main body 021, and in this application, cover plate main body 021 is box-like structure not with cover; And the first installation portion 022 and the second installation portion 023 of two sides at described cover plate main body; Described first installation portion is provided with the 3rd mounting hole, described second installation portion is provided with the 4th mounting hole; Described first installation portion matches with described first extension, and described first mounting hole is corresponding with described 3rd mounting hole; Described second installation portion matches with described second extension, and described second mounting hole is corresponding with described 4th mounting hole; Described cover plate main body is provided with through hole 024; Described hold-down bolt 06 and described locating dowel pin 07 are through described through hole 024; The upper surface of described cover plate main body 021 is provided with the second spacing layer 05; In this application, be rigidly connected by suspension cover plate and lower installation board.
Described mounting bracket 03 includes mounting bracket body, and described mounting bracket body is provided with three engine mounting holes 031 and a hold-down bolt through hole 032; Described hold-down bolt hole 032 is arranged on the described mounting bracket body joint face 033 corresponding with described cover plate main body; Described hold-down bolt is through described hold-down bolt hole.
At the outside face of described upper mounting plate, described hold-down bolt and described locating dowel pin are provided with boss structure 08; Rubber layer 09 is had in the outside face sulfuration of described boss structure 08.
Described through hole is slotted eye, and described hold-down bolt and described locating dowel pin are simultaneously through described through hole.
Described joint face 033 is provided with extension; Described extension forms position limiting structure 034.
When there is motion in driving engine, mounting bracket and suspended rubber main body upper mounting plate are for being rigidly connected, when X is to when existing Large travel range, the position limiting structure that upper mounting plate is arranged can carry out hard stop with suspension cover plate X to side plate, X is to displacement in restriction, when there is displacement in Y-direction, upper mounting plate position limiting structure can carry out hard stop with suspension cover plate Y-direction side plate, restriction Y-direction displacement is when Z-direction exists to top offset, upper mounting plate can carry out hard stop with suspension cover plate upper surface, restriction Z-direction positive-displacement amount, when Z-direction exists to bottom offset, mounting bracket can carry out hard stop with suspension cover plate upper surface, restriction Z-direction negative sense displacement.
The difference of the width of the width inside described cover plate main body and described first limiting section is less than, the difference of the short axis width of described through hole and the diameter of described boss structure, can avoid boss structure and suspension side edge thereof dynamic interference.
Upper mounting plate boss structure upper limb distance suspension lid surface hole lower edge Z-direction height (installing condition) Z1, upper mounting plate boss structure lower edge distance suspension lid surface hole lower edge Z-direction height (installing condition) Z2, upper mounting plate upper surface and suspension cover plate lower surface Z-direction distance (installing condition) Z3, boss structure attachment face distance suspension cover plate upper surface Z-direction distance (installing condition) Z4, need meet Z3 and be greater than Z1, Z4 is greater than Z2., boss structure and side edge thereof can be avoided to interfere.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (6)
1. a longitudinal suspension structure of engine, includes suspended rubber main body, suspension cover plate and mounting bracket; Described suspended rubber main body, described suspension cover plate and described mounting bracket connect successively;
Described suspended rubber main body includes lower installation board, main rubber and upper mounting plate; Described lower installation board and described upper mounting plate are structure as a whole by described main rubber sulfuration; It is characterized in that:
Described lower installation board includes plate shaped lower installation board main body, is positioned at the first extension and second extension at described lower installation board main body two ends; Described first extension is provided with the first mounting hole, described second extension is provided with the second elongated hole;
Described upper mounting plate includes the first limiting section and the second limiting section that upper mounting plate main body and described upper mounting plate main body two ends are bent to form to described lower installation board direction; Described upper mounting plate is fixed with hold-down bolt and locating dowel pin; The upper surface of described upper mounting plate is provided with the first spacing layer;
Described suspension cover plate includes cover plate main body, and at the first installation portion of two sides of described cover plate main body and the second installation portion; Described first installation portion is provided with the 3rd mounting hole, described second installation portion is provided with the 4th mounting hole; Described first installation portion matches with described first extension, and described first mounting hole is corresponding with described 3rd mounting hole; Described second installation portion matches with described second extension, and described second mounting hole is corresponding with described 4th mounting hole; Described cover plate main body is provided with through hole; Described hold-down bolt and described locating dowel pin are through described through hole; The upper surface of described cover plate main body is provided with the second spacing layer;
Described mounting bracket includes mounting bracket body, and described mounting bracket body is provided with three engine mounting holes and a hold-down bolt through hole; Described hold-down bolt hole is arranged on the described mounting bracket body joint face corresponding with described cover plate main body; Described hold-down bolt is through described hold-down bolt hole.
2. longitudinal suspension structure of engine according to claim 1, is characterized in that: on the surfaces externally and internally of described first limiting section and the surfaces externally and internally of described second limiting section, equal sulfuration has rubber layer.
3. longitudinal suspension structure of engine according to claim 1, is characterized in that: at the outside face of described upper mounting plate, described hold-down bolt and described locating dowel pin are provided with boss structure; Rubber layer is had in the outside face sulfuration of described boss structure.
4. longitudinal suspension structure of engine according to claim 3, is characterized in that: described through hole is slotted eye, and described hold-down bolt and described locating dowel pin are simultaneously through described through hole.
5. longitudinal suspension structure of engine according to claim 4, is characterized in that: the difference of the width of the width inside described cover plate main body and described first limiting section is less than, the difference of the short axis width of described through hole and the diameter of described boss structure.
6. longitudinal suspension structure of engine according to claim 1, is characterized in that: described joint face is provided with extension; Described extension forms position limiting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776614.3A CN105196854A (en) | 2015-11-11 | 2015-11-11 | Longitudinal engine mount installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776614.3A CN105196854A (en) | 2015-11-11 | 2015-11-11 | Longitudinal engine mount installation structure |
Publications (1)
| Publication Number | Publication Date |
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| CN105196854A true CN105196854A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510776614.3A Pending CN105196854A (en) | 2015-11-11 | 2015-11-11 | Longitudinal engine mount installation structure |
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| CN (1) | CN105196854A (en) |
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| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |