CN204659433U - Engine mounting assembly and comprise its automobile - Google Patents
Engine mounting assembly and comprise its automobile Download PDFInfo
- Publication number
- CN204659433U CN204659433U CN201520286276.0U CN201520286276U CN204659433U CN 204659433 U CN204659433 U CN 204659433U CN 201520286276 U CN201520286276 U CN 201520286276U CN 204659433 U CN204659433 U CN 204659433U
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- Prior art keywords
- bolt
- mounting assembly
- engine mounting
- core body
- hole
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Abstract
The utility model discloses a kind of engine mounting assembly and comprise its automobile.Described engine mounting assembly comprises: the sleeve be fixedly installed, and described sleeve is provided with screw, and the inwall of described screw is provided with negative thread; Core body, described core body is provided with through hole, and described through hole aligns with described screw; Bolt, the first end of described bolt is provided with nut, described bolt is provided with outside thread in the outer axial face near the second end, second end of described bolt penetrates in through hole and screw successively, described outside thread is connected with described screw-internal thread fit, the outer wall of described bolt is arranged in the inwall free-running fit of the part with described through hole that are arranged in described through hole, and described nut abuts with the end face of described core body.Described automobile comprises subframe, also comprises engine mounting assembly as above, and described sleeve is fixed on described subframe.Engine mounting assembly provided by the utility model and the automobile comprising it effectively can prevent bolt looseness.
Description
Technical field
The utility model relates to a kind of engine mounting assembly and comprises its automobile.
Background technology
Engine mounting assembly refers to the connection structure between dynamic assembly (driving engine, power-transfer clutch, change-speed box and annex etc.) and vehicle frame (or vehicle body), and the elastic supporting system that these connection structures are formed.Engine mounting assembly generally includes metallic support and rubber bush, and rubber bush is by sulfuration or machinery is fixing etc. that technique forms integrally with metallic support, and metallic support is connected with vehicle body (or dynamic assembly) by bolt.Therefore, the reliability of engine mounting assembly be ensured, just need the reliability ensureing the bolt being used for connection metal support.
In the vehicle use procedure of reality, bolt loosening is one of failure mode the most common in engine mounting assembly.On the one hand, the loosening meeting of bolt causes the rupture failure of itself; On the other hand, also can change the bang path of part self-force, increase the load that other bolts bear, and then the Joint failure of bolt and mounting bracket itself may be caused.
At present, for traditional engine mounting assembly, the hold-down bolt of engine mounting and subframe is all adopt the method adding the urgent moment of torsion of king bolt to realize locking effect, but, for the driving engine of high pulling torque, when bolt is urgent after maximum moment of torsion, the friction force of the urgent generation of bolt is relied on still to be difficult to prevent bolt from use occurring loosen and lost efficacy completely.
Therefore, be necessary very much design a kind of steadily and surely, effectively can prevent the back suspension device of engine assembly of bolt looseness and comprise its automobile.
Utility model content
In view of this, the utility model provide a kind of steadily and surely, effectively can prevent the back suspension device of engine assembly of bolt looseness and comprise its automobile, be intended to the defect overcoming prior art.
Engine mounting assembly provided by the utility model comprises: the sleeve be fixedly installed, and described sleeve is provided with screw, and the inwall of described screw is provided with negative thread; Core body, described core body is provided with through hole, and described through hole aligns with described screw; Bolt, the first end of described bolt is provided with nut, described bolt is provided with outside thread in the outer axial face near the second end, second end of described bolt penetrates in described through hole and described screw successively, described outside thread on described bolt is connected with the described screw-internal thread fit in described screw, and the outer wall of described bolt is arranged in the inwall free-running fit of the part with described through hole that are arranged in described through hole, and described nut abuts with the end face of described core body.
Engine mounting assembly as above, preferably, the part described bolt being arranged in described through hole comprise connect in turn first paragraph, second segment and the 3rd section, wherein, the diameter of described first paragraph is greater than the diameter of described second segment, and the diameter of described 3rd section is greater than the diameter of described second segment.
Engine mounting assembly as above, preferably, the diameter that the diameter of described first paragraph equals described 3rd section.
Engine mounting assembly as above, preferably, described engine mounting assembly also comprises body skin, and described core body is fixed in described body skin.
Engine mounting assembly as above, preferably, described engine mounting assembly also comprises rubber connecting portion, and described core body is connected by the sulfuration of described rubber connecting portion with described body skin.
Engine mounting assembly as above, preferably, the axis of described through hole is identical with the axis of described core body.
Engine mounting assembly as above, preferably, described screw is arranged on the end face of the first end of described sleeve, and the second end of described sleeve is closed.
Engine mounting assembly as above, preferably, the minimum width in the gap between the outer wall of described bolt and the inwall of described through hole is less than the slide distance of described core body.
Automobile provided by the utility model comprises subframe, and also comprise any one engine mounting assembly as above, wherein, described sleeve is fixed on described subframe.
Automobile as above, preferably, described subframe comprises upper end panel beating and lower end panel beating, described upper end panel beating is arranged on the top of described lower end panel beating, described sleeve is fixed on the panel beating of described upper end, and the axis of axial, the described sleeve of axial, the described bolt of described through hole is all arranged along vertical direction.
Adopting engine mounting assembly provided by the utility model and comprise its automobile, preventing bolt from occurring to loosen by bolt and core body being adopted the mounting means of free-running fit.And be the middle version that carefully two is thick further by bolt design, assembly technology to control outside bolt and bilateral gap inside core body, it is made to be less than the maximum slide distance of core body, thus control the maximum skidding distance of core body under reverse load, and then prevent bolt from occurring to loosen.Therefore, engine mounting assembly provided by the utility model and the automobile that comprises it effectively can prevent bolt looseness.
Accompanying drawing explanation
Preferred embodiment in the utility model will be described in detail by accompanying drawing below, will contribute to understanding the purpose of this utility model and advantage, wherein:
Fig. 1 is a kind of preferred embodiment of engine mounting assembly of the present utility model.
Fig. 2 is the section components in Fig. 1.
Fig. 3 is the schematic partial sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in detail.The identical Reference numeral of wherein identical parts represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric centre respectively.
Fig. 1 is a kind of preferred embodiment of engine mounting assembly of the present utility model; Fig. 2 is the section components in Fig. 1; Fig. 3 is the schematic partial sectional view of Fig. 1.Shown in composition graphs 1, Fig. 2 and Fig. 3, in a preferred embodiment, engine mounting assembly provided by the utility model comprises sleeve 5, core body 2, bolt 1, body skin 4 and rubber connecting portion 3.Described core body 2 is fixed in described body skin 4.Described core body 2 can be connected preferably by the sulfuration of described rubber connecting portion 3 with described body skin 4.Wherein, described sleeve 5 is fixedly installed, and usually, described sleeve 5 can be fixed on the subframe of automobile.Described sleeve 5 is provided with screw, and the inwall of described screw is provided with negative thread; Described core body 2 is provided with through hole, and described through hole aligns with described screw; The first end of described bolt 1 is provided with nut, described bolt 1 is provided with outside thread in the outer axial face near the second end, second end of described bolt 1 penetrates in described through hole and described screw successively, described outside thread on described bolt 1 is connected with the described screw-internal thread fit in described screw, and the outer wall of described bolt 1 is arranged in the inwall free-running fit of the part with described through hole that are arranged in described through hole, and described nut abuts with the end face of described core body 2.Described sleeve 5 can be realized by the intrinsic parts on automobile with described core body 2, such as, described sleeve 5 can be realized by the intrinsic attaching parts on engine-mounting bracket, and described core body 2 can be realized by aluminium core components intrinsic on engine-mounting bracket.
In general, engine mounting assembly provided by the utility model prevents bolt 1 from loosening by the structure of the free-running fit between described bolt 1 and described core body 2, by this failure-free connection scheme, to solve rear-suspending and subframe tie bolt easy problem loosened under large reverse load.Preferably, the minimum width in the gap between the outer wall of described bolt 1 and the inwall of described through hole can be less than the slide distance of described core body 2.Wherein, those of ordinary skill in the art institute it is understood that, the slide distance of described core body 2 refers in automotive development and use procedure, allow core body 2 to slide ultimate range, that is, core body 2 can not affect overall connection structure at slide apart from interior slip, or very little on the connection structure impact of entirety.Those of ordinary skill in the art can determine the slide distance of core body 2 completely according to different block constructions and different design requirements.
In preferred enforcement as shown in the figure, the part described bolt 1 being arranged in described through hole comprise connect in turn first paragraph 11, second segment 12 and the 3rd section 13, wherein, the diameter of described first paragraph 11 is greater than the diameter of described second segment 12, and the diameter of described 3rd section 13 is greater than the diameter of described second segment 12.More preferably, the diameter of described first paragraph 11 diameter that equals described 3rd section 13.In fact, described bolt 1 presents the shape of " middle thin two is thick " in a preferred embodiment.
Shown in composition graphs 1, Fig. 2 and Fig. 3, described core body 2 and described sleeve 5 are installed on subframe 6,7 by described bolt 1, and the urgent mode of bolt 1 can be urgent from the bottom up, also can select urgent mode from top to bottom according to actual needs.Upper end and the described sleeve 5 of described bolt 1 are connected with a joggle by helicitic texture, and described sleeve 5 is fixed on the upper end panel beating 6 of subframe by the form of welding.The structure that described bolt 1 adopts " middle thin two is thick ", is realized the free-running fit at two ends, plays the effect that restriction core body 2 slides by this kind of structure and core body 2.Described bolt 1 and described core body 2 adopt the mounting means of free-running fit, pass through technology controlling and process, make bilateral clearance control within the maximum safe skidding distance of described core body 2, when described core body 2 is being subject to the load of larger car load X-direction after there is larger slippage, the sidewall of described bolt 1 can limit the further slip of described core body 2, thus prevents described core body 2 from the repeating slip of larger displacement occurring under reverse load and cause described bolt 1 to occur to loosen inefficacy.
Particularly, described bolt 1 is fixed on described sleeve 5, and sleeve 5 is welded on the upper end panel beating 6 of subframe, and therefore bolt 1 can not produce slip relative to described sleeve 5, and described core body 2 and described bolt 1 do not have screw-threaded engagement.In order to ensure processing and mounting process error, very large gap is had between described core body 2 and described bolt 1, described core body 2 is arranged on the upper end panel beating 6 of subframe by the friction force of the urgent generation of described bolt 1 completely, when after the load being subject to the car load X-direction that change speed gear box produces, described core body 2 can be caused to produce the tendency toward sliding on Impact direction, after the friction force provided when bolt 1 is less than external load, described core body 2 can produce the slip on Impact direction, after sliding distance exceedes the distance of free-running fit, the outer wall of bolt 1 can touch the inwall of described through hole, stop that described core body 2 slides further, and the free-running fit between described bolt 1 and described core body 2 can be bilateral.
In a preferred embodiment, the axis of described through hole is identical with the axis of described core body 2.Described screw is arranged on the end face of the first end of described sleeve 5, and the second end of described sleeve 5 is closed.The upper end of described sleeve 5 is set to close, the liquid such as water can be stoped to enter within sleeve 5, prevent bolt 1 from getting rusty and losing efficacy.
Usually, traditional engine mounting assembly is all urgent fixing by bolt 1, the gap of the inwall of core body 2 and the outer wall of bolt 1 is enough large, with convenient for assembly, this structure relies on the friction force of the urgent generation of bolt 1 to prevent the slip of core body 2 on Impact direction completely, under the trend increased gradually when engine torque can be caused like this, the model of bolt 1 needs to continue to increase, so just need larger core body 2 structure to ensure enough flange areas, namely add pts wt and too increase cost.And engine mounting assembly provided by the utility model under the prerequisite of the minimum assemblage gap according to technological requirement, can realize the larger slip being limited core body 2 by bolt 1, realize the anti-loosing effect of bolt 1.
The utility model additionally provides a kind of automobile, and described automobile also comprises any one engine mounting assembly as above, and wherein, described sleeve 5 is fixed on described subframe.Preferably, described subframe comprises upper end panel beating 6 and lower end panel beating 7, described upper end panel beating 6 is arranged on the top of described lower end panel beating 7, described sleeve 5 is fixed on described upper end panel beating 6, and the axis of axial, the described sleeve 5 of axial, the described bolt 1 of described through hole is all arranged along vertical direction.
Adopting engine mounting assembly provided by the utility model and comprise its automobile, preventing bolt from occurring to loosen by bolt and core body being adopted the mounting means of free-running fit.And be the middle version that carefully two is thick further by bolt design, assembly technology to control outside bolt and bilateral gap inside core body, it is made to be less than the maximum slide distance of core body, thus control the maximum skidding distance of core body under reverse load, and then prevent bolt from occurring to loosen.Therefore, engine mounting assembly provided by the utility model and the automobile that comprises it effectively can prevent bolt looseness.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. an engine mounting assembly, is characterized in that, described engine mounting assembly comprises:
The sleeve be fixedly installed, described sleeve is provided with screw, and the inwall of described screw is provided with negative thread;
Core body, described core body is provided with through hole, and described through hole aligns with described screw;
Bolt, the first end of described bolt is provided with nut, described bolt is provided with outside thread in the outer axial face near the second end, second end of described bolt penetrates in described through hole and described screw successively, described outside thread on described bolt is connected with the described screw-internal thread fit in described screw, and the outer wall of described bolt is arranged in the inwall free-running fit of the part with described through hole that are arranged in described through hole, and described nut abuts with the end face of described core body.
2. engine mounting assembly according to claim 1, it is characterized in that, the part described bolt being arranged in described through hole comprise connect in turn first paragraph, second segment and the 3rd section, wherein, the diameter of described first paragraph is greater than the diameter of described second segment, and the diameter of described 3rd section is greater than the diameter of described second segment.
3. engine mounting assembly according to claim 2, is characterized in that, the diameter that the diameter of described first paragraph equals described 3rd section.
4. engine mounting assembly according to claim 1, is characterized in that, described engine mounting assembly also comprises body skin, and described core body is fixed in described body skin.
5. engine mounting assembly according to claim 4, is characterized in that, described engine mounting assembly also comprises rubber connecting portion, and described core body is connected by the sulfuration of described rubber connecting portion with described body skin.
6. according to the engine mounting assembly in claim 1-5 described in any one, it is characterized in that, the axis of described through hole is identical with the axis of described core body.
7. according to the engine mounting assembly in claim 1-5 described in any one, it is characterized in that, described screw is arranged on the end face of the first end of described sleeve, and the second end of described sleeve is closed.
8. according to the engine mounting assembly in claim 1-5 described in any one, it is characterized in that, the minimum width in the gap between the outer wall of described bolt and the inwall of described through hole is less than the slide distance of described core body.
9. an automobile, described automobile comprises subframe, it is characterized in that, described automobile also comprises as the engine mounting assembly in claim 1-8 as described in any one, and wherein, described sleeve is fixed on described subframe.
10. automobile according to claim 9, it is characterized in that, described subframe comprises upper end panel beating and lower end panel beating, described upper end panel beating is arranged on the top of described lower end panel beating, described sleeve is fixed on the panel beating of described upper end, and the axis of axial, the described sleeve of axial, the described bolt of described through hole is all arranged along vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286276.0U CN204659433U (en) | 2015-05-04 | 2015-05-04 | Engine mounting assembly and comprise its automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286276.0U CN204659433U (en) | 2015-05-04 | 2015-05-04 | Engine mounting assembly and comprise its automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204659433U true CN204659433U (en) | 2015-09-23 |
Family
ID=54129857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520286276.0U Expired - Fee Related CN204659433U (en) | 2015-05-04 | 2015-05-04 | Engine mounting assembly and comprise its automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204659433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355793A (en) * | 2022-10-19 | 2022-11-18 | 钜亚汽车零部件科技(太仓)有限公司 | Hole position error detection device for automobile transmission case casting and working method |
-
2015
- 2015-05-04 CN CN201520286276.0U patent/CN204659433U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355793A (en) * | 2022-10-19 | 2022-11-18 | 钜亚汽车零部件科技(太仓)有限公司 | Hole position error detection device for automobile transmission case casting and working method |
| CN115355793B (en) * | 2022-10-19 | 2023-03-10 | 钜亚汽车零部件科技(太仓)有限公司 | Hole position error detection device for automobile transmission case casting and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |