CN217099681U - Secondary vibration isolation system of range extender for vehicle - Google Patents
Secondary vibration isolation system of range extender for vehicle Download PDFInfo
- Publication number
- CN217099681U CN217099681U CN202221235778.7U CN202221235778U CN217099681U CN 217099681 U CN217099681 U CN 217099681U CN 202221235778 U CN202221235778 U CN 202221235778U CN 217099681 U CN217099681 U CN 217099681U
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- China
- Prior art keywords
- range extender
- vibration isolation
- mounting bracket
- rubber pad
- installing support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 title claims abstract description 20
- 230000035939 shock Effects 0.000 claims abstract description 35
- 239000006096 absorbing agent Substances 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of shock absorption of range extenders, and provides a secondary vibration isolation system of a range extender for vehicles, which comprises two first mounting brackets arranged in parallel, wherein the range extender is fixedly connected with the tops of the two first mounting brackets; the lower part of first installing support is equipped with the second installing support, is connected with two at least first bumper shock absorbers between first installing support and the second installation, and the both ends of second installing support are equipped with the second bumper shock absorber, and the one end and the bottom of second installing support of second bumper shock absorber are connected, and the other end and the preceding cabin bracket of second bumper shock absorber are connected. The utility model discloses promote by a wide margin and increase journey ware mounting structure's vibration isolation performance, avoided the work excitation of increasing the journey ware moreover to be enlargied for vibration noise in the car obviously improves.
Description
Technical Field
The utility model relates to an increase journey ware shock attenuation technical field particularly, relate to an automobile-used journey ware second grade vibration isolation system that increases.
Background
In recent years, with the vigorous development of the new energy automobile market, consumers gradually accept the new energy automobile as an emerging vehicle. The market subdivision of new energy automobiles is gradually improved, and the high-end, middle-end, economic and entrance-end vehicles are produced in a plurality of quantities. The entrance-level pure electric vehicle is a main force army in the field of new energy vehicles due to the fact that the price is relative to the people and the market sales volume and the maintenance volume are rapidly increased. However, the short driving mileage of the entry-level electric vehicle is always a pain point of consumers, so that the electric vehicle with the range extender effectively solves the problem, is recognized by the consumers and occupies a place in the new energy vehicle market.
The range extender for the vehicle is mostly a single-cylinder or two-cylinder gasoline engine, and the working excitation has the characteristic of unbalance, so that the vibration and the noise of the whole vehicle are obvious, and the comfort is poor, thereby reducing the use comfort of the vehicle and the customer satisfaction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile-used journey ware second grade vibration isolation system that increases promotes journey ware mounting structure's vibration isolation performance by a wide margin, has avoided the work excitation of increasing the journey ware moreover to be enlargied for vibration noise in the car obviously improves.
The embodiment of the utility model discloses a realize through following technical scheme:
a secondary vibration isolation system of a range extender for a vehicle comprises two first mounting brackets which are arranged in parallel, wherein the range extender is fixedly connected to the tops of the two first mounting brackets; the lower part of first installing support is equipped with the second installing support, is connected with two at least first bumper shock absorbers between first installing support and the second installation, and the both ends of second installing support are equipped with the second bumper shock absorber, and the one end and the bottom of second installing support of second bumper shock absorber are connected, and the other end and the preceding cabin bracket of second bumper shock absorber are connected.
Optionally, the first shock absorber includes a first rubber pad and two connecting plates arranged in parallel, the first rubber pad is fixedly connected between the two connecting plates, one of the connecting plates is connected with the first mounting bracket, and the other connecting plate is connected with the second mounting bracket.
Optionally, the connecting plates comprise a connecting part and a supporting part, wherein the supporting part of one connecting plate is abutted against the bottom of the first mounting bracket, and the supporting part of the other connecting plate is abutted against the top of the second mounting bracket; a certain included angle is formed between the connecting part and the supporting part, one end of the first rubber pad is fixedly connected with the connecting part of one of the connecting plates, and the other end of the first rubber pad is fixedly connected with the connecting part of the other connecting plate.
Optionally, the top of the support portion of one of the connection plates is connected with a first bolt extending upwards, and the bottom of the support portion of the other of the connection plates is connected with a first bolt extending downwards.
Optionally, one side of the supporting portion of one of the connecting plates is connected with an upward extending positioning portion, one side of the supporting portion of the other connecting plate is connected with a downward extending positioning portion, and the first mounting bracket and the second mounting bracket are both provided with positioning holes matched with the corresponding positioning portions.
Optionally, the second damper includes a second rubber pad and two second bolts, one of the second bolts is fixedly connected to one end of the second rubber pad, the other of the second bolts is fixedly connected to the other end of the second rubber pad, and the front cabin bracket and the second mounting bracket are respectively connected to one of the second bolts through nuts.
Optionally, a cross section of the second rubber pad perpendicular to the axial direction of the second bolt is in a regular hexagon structure.
The utility model discloses following advantage and beneficial effect have at least: in the utility model, the range extender is directly damped by the arranged first damper, and the whole of the range extender, the first mounting bracket and the second mounting bracket is further damped by the second damper, so that the vibration isolation performance of the range extender mounting structure is greatly improved; in addition, the range extender is supported and excitation is transmitted through the integral structure of the two first mounting brackets and the two second mounting brackets, so that the supporting area is reduced as much as possible, and the working excitation of the range extender is prevented from being amplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a secondary vibration isolation system of a vehicular range extender provided by the present invention;
fig. 2 is a schematic view of a partial structure of a secondary vibration isolation system of a range extender for a vehicle according to the present invention;
FIG. 3 is a schematic view of a first shock absorber;
FIG. 4 is a cross-sectional view of a first shock absorber;
FIG. 5 is a schematic view of a second shock absorber;
FIG. 6 is a cross-sectional view of a second shock absorber;
icon: 10-a first mounting bracket, 20-a second mounting bracket, 30-a first shock absorber, 31-a first rubber pad, 32-a connecting plate, 321-a connecting part, 322-a supporting part, 323-a positioning part, 33-a first bolt, 40-a second shock absorber, 41-a second rubber pad, 42-a second bolt, 50-a range extender, 60-a front cabin bracket, 70-a left longitudinal beam of a vehicle body and 80-a right longitudinal beam of the vehicle body.
Detailed Description
Referring to fig. 1 and 2, a secondary vibration isolation system for a range extender of a vehicle includes two first mounting brackets 10 arranged in parallel, and the range extender 50 is fixedly connected (for example, connected by screws) to the tops of the two first mounting brackets 10; a second mounting bracket 20 is arranged below the first mounting bracket 10, at least two first shock absorbers 30 are connected between the first mounting bracket 10 and the second mounting bracket, and two first shock absorbers 30, namely four first shock absorbers 30 in total, are arranged between the first mounting bracket 10 and the second mounting bracket in the embodiment.
The two ends of the second mounting bracket 20 are provided with second shock absorbers 40, one end of each second shock absorber 40 is connected with the bottom of the second mounting bracket 20, the other end of each second shock absorber 40 is connected with the front cabin bracket 60, and in practical application, one end of the front cabin bracket 60 is connected with the left longitudinal beam 70 of the vehicle body, and the other end of the front cabin bracket 60 is connected with the right longitudinal beam 80 of the vehicle body.
It is worth explaining that, the utility model discloses a first bumper shock absorber 30 that sets up is to increasing journey ware 50 direct shock attenuation, and the rethread second bumper shock absorber 40 is to increasing journey ware 50, first installing support 10 and the whole further shock attenuation of second installing support 20, promotes the vibration isolation performance of increasing journey ware 50 mounting structure by a wide margin; in addition, the range extender 50 is supported and excitation is transmitted through the integral structure of the two first mounting brackets 10 and the two second mounting brackets 20, the supporting area is reduced as much as possible, and the working excitation of the range extender 50 is prevented from being amplified.
Referring to fig. 3 and 4, the first damper 30 includes a first rubber pad 31 and two connecting plates 32 arranged in parallel, specifically, the connecting plates 32 include connecting portions 321 and supporting portions 322, the first rubber pad 31 is fixedly connected between the two connecting plates 32, that is, one end of the first rubber pad 31 is fixedly connected to the connecting portion 321 of one of the connecting plates 32, and the other end of the first rubber pad 31 is fixedly connected to the connecting portion 321 of the other connecting plate 32, specifically, the first rubber pad 31 is bonded and fixed to the two connecting plates 32 through a vulcanization process, so that the first rubber pad 31 and the two connecting plates 32 form a whole.
The supporting portion 322 of one of the connecting plates 32 is abutted to the bottom of the first mounting bracket 10, the supporting portion 322 of the other connecting plate 32 is abutted to the top of the second mounting bracket 20, in order to facilitate disassembly and assembly, the supporting portion 322 is connected to the first mounting bracket 10, and the supporting portion 322 is connected to the second mounting bracket 20 through bolts, further, the top of the supporting portion 322 of one of the connecting plates 32 is connected to a first bolt 33 extending upwards, the bottom of the supporting portion 322 of the other connecting plate 32 is connected to a first bolt 33 extending downwards, the first bolt 33 can be directly welded and fixed to the connecting plates 32, so that the first bolt 33 and the first shock absorber 30 form a whole, and the bolt is not required to be found when being mounted. On this basis, it is easily understood that, in other embodiments of the present invention, the connection plate 32 may be fixed between the first mounting brackets 10 and between the connection plate 32 and the second mounting bracket 20 by welding or by external bolt-nut connection.
In this embodiment, one side of the supporting portion 322 of one of the connecting plates 32 is connected to the positioning portion 323 extending upward, one side of the supporting portion 322 of the other connecting plate 32 is connected to the positioning portion 323 extending downward, and the first mounting bracket 10 and the second mounting bracket 20 are both provided with positioning holes matching with the corresponding positioning portions 323, it is easy to understand that the width of the positioning portion 323 is the same as the diameter of the positioning hole, and the positioning portion 323 is inserted into the positioning hole for positioning during mounting, so that the first shock absorber 30 is conveniently mounted. It should be noted that the support portion 322, the connecting portion 321, and the positioning portion 323 are integrally formed, so that the overall strength is ensured, and the support portion may be formed by bending a sheet metal member.
In this embodiment, a certain included angle is formed between the connecting portion 321 and the supporting portion 322, specifically, an acute angle formed between the connecting portion 321 and the supporting portion 322 may be 30 ° -45 °, so as to form a certain included angle with a perpendicular line direction between the first mounting bracket 10 and the second mounting bracket 20, that is, the rubber pads are arranged in an inclined manner, so that the first rubber pads 31 disperse the vibration of the range extender 50 to different directions, and the damping effect is better. In addition, the cross section of the first rubber pad 31 perpendicular to the perpendicular direction of the two connecting portions 321 may be a rectangular structure, which facilitates better torque bearing of the first rubber pad 31.
Referring to fig. 5 and 6, the second damper 40 includes a second rubber pad 41 and two second bolts 42, wherein one second bolt 42 is fixedly connected to one end of the second rubber pad 41, and the other second bolt 42 is fixedly connected to the other end of the second rubber pad 41, specifically, the second rubber pad 41 is fixedly bonded to the two second bolts 42 through a vulcanization process, so that the second rubber pad 41 and the two second bolts 42 form a whole, and during installation, the front cabin bracket 60 and the second mounting bracket 20 are respectively connected to one second bolt 42 through a nut.
In this embodiment, the cross section of the second rubber pad 41 perpendicular to the axial direction of the second bolt 42 is a regular hexagon structure, so that when the second bolt 42 and the second mounting bracket 20 or the front cabin bracket 60 are connected by nuts, the second rubber pad 41 is clamped by a wrench or other tools to avoid rotation, so that the installation is more convenient.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an automobile-used range extender second grade vibration isolation system which characterized in that: the range extender comprises two first mounting brackets (10) which are arranged in parallel, and a range extender (50) is fixedly connected to the tops of the two first mounting brackets (10); the lower part of first installing support (10) is equipped with second installing support (20), is connected with two at least first bumper shock absorbers (30) between first installing support (10) and the second installation, and the both ends of second installing support (20) are equipped with second bumper shock absorber (40), and the one end of second bumper shock absorber (40) is connected with the bottom of second installing support (20), and the other end and preceding cabin bracket (60) of second bumper shock absorber (40) are connected.
2. The secondary vibration isolation system of the vehicular range extender of claim 1, wherein: the first shock absorber (30) comprises a first rubber pad (31) and two connecting plates (32) which are arranged in parallel, the first rubber pad (31) is fixedly connected between the two connecting plates (32), one connecting plate (32) is connected with the first mounting bracket (10), and the other connecting plate (32) is connected with the second mounting bracket (20).
3. The secondary vibration isolation system of the vehicular range extender of claim 2, wherein: the connecting plates (32) comprise connecting parts (321) and supporting parts (322), wherein the supporting part (322) of one connecting plate (32) is abutted against the bottom of the first mounting bracket (10), and the supporting part (322) of the other connecting plate (32) is abutted against the top of the second mounting bracket (20); a certain included angle is formed between the connecting portion (321) and the supporting portion (322), one end of the first rubber pad (31) is fixedly connected with the connecting portion (321) of one of the connecting plates (32), and the other end of the first rubber pad (31) is fixedly connected with the connecting portion (321) of the other connecting plate (32).
4. The secondary vibration isolation system of the vehicular range extender of claim 3, wherein: the top of the supporting part (322) of one of the connecting plates (32) is connected with a first bolt (33) extending upwards, and the bottom of the supporting part (322) of the other connecting plate (32) is connected with a first bolt (33) extending downwards.
5. The secondary vibration isolation system of the vehicular range extender of claim 3, wherein: one side of the supporting portion (322) of one of the connecting plates (32) is connected with a positioning portion (323) extending upwards, one side of the supporting portion (322) of the other connecting plate (32) is connected with a positioning portion (323) extending downwards, and positioning holes matched with the corresponding positioning portions (323) are formed in the first mounting bracket (10) and the second mounting bracket (20).
6. The secondary vibration isolation system of a range extender for vehicles according to any one of claims 1 to 5, wherein: the second shock absorber (40) comprises a second rubber pad (41) and two second bolts (42), one second bolt (42) is fixedly connected with one end of the second rubber pad (41), the other second bolt (42) is fixedly connected with the other end of the second rubber pad (41), and the front cabin bracket (60) and the second mounting bracket (20) are respectively connected with one second bolt (42) through a nut.
7. The secondary vibration isolation system of a range extender for a vehicle of claim 6, wherein: the section of the second rubber gasket (41) perpendicular to the axial direction of the second bolt (42) is in a regular hexagon structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221235778.7U CN217099681U (en) | 2022-05-20 | 2022-05-20 | Secondary vibration isolation system of range extender for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221235778.7U CN217099681U (en) | 2022-05-20 | 2022-05-20 | Secondary vibration isolation system of range extender for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217099681U true CN217099681U (en) | 2022-08-02 |
Family
ID=82587742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221235778.7U Expired - Fee Related CN217099681U (en) | 2022-05-20 | 2022-05-20 | Secondary vibration isolation system of range extender for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217099681U (en) |
-
2022
- 2022-05-20 CN CN202221235778.7U patent/CN217099681U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220802 |