CN214742948U - Double-layer vibration isolation suspension device for vehicle and vehicle - Google Patents
Double-layer vibration isolation suspension device for vehicle and vehicle Download PDFInfo
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- CN214742948U CN214742948U CN202120589649.7U CN202120589649U CN214742948U CN 214742948 U CN214742948 U CN 214742948U CN 202120589649 U CN202120589649 U CN 202120589649U CN 214742948 U CN214742948 U CN 214742948U
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Abstract
The utility model belongs to the technical field of the vehicle, specifically provide a double-deck vibration isolation suspension device and vehicle for vehicle. The utility model discloses aim at solving current power system suspension structure and all having the inconvenient problem of higher requirement and dismouting to design space and dismouting space. Therefore, the utility model discloses a double-deck vibration isolation suspension device includes suspension support and bush inner tube, be provided with first mounting hole on the suspension support, the middle part of bush inner tube sets up in first mounting hole, be provided with first vibration isolation bush between the inner wall of first mounting hole and the outer wall of bush inner tube, the both ends of bush inner tube are provided with the second mounting hole respectively, be provided with second vibration isolation bush in the second mounting hole, be provided with the bolt hole on the second vibration isolation bush, be provided with on the erection tower seat with bolt hole assorted bolt fastening hole, mounting bolt is along the Z of vehicle to passing the bolt hole and fixed to the bolt fastening hole in order to realize sub vehicle frame and double-deck vibration isolation suspension device's connection, so that promote the dismouting convenience.
Description
Technical Field
The utility model belongs to the technical field of the vehicle, specifically provide a double-deck vibration isolation suspension device and vehicle for vehicle.
Background
The suspension design position of the power system of many existing vehicle types is far away from the auxiliary frame in the Z direction, and for the vehicle types, the conventional bracket type design is difficult to meet the rigidity design requirement. In order to effectively meet the requirement of rigidity design, a person in the prior art usually connects one end of a power system with a chassis and then connects the other end of the power system with a vehicle body; although this design can improve rigidity, still have the following shortcoming: 1. the power system and the chassis are difficult to realize split charging, so that the assembly efficiency of the whole vehicle is not improved; 2. the number of parts, weight and cost are difficult to control; 3. the disassembly and assembly convenience is poor.
Accordingly, there is a need in the art for a new double layer isolation mount for a vehicle and vehicle that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve or improve the above-mentioned problem among the prior art, improve current power system suspension structure promptly or to a certain extent and all have the higher problem that requires and the dismouting is inconvenient to design space and dismouting space, the utility model provides a double-deck vibration isolation suspension device for vehicle, double-deck vibration isolation suspension device includes suspension support and bush inner tube, be provided with first mounting hole on the suspension support, the middle part of bush inner tube set up in the first mounting hole, and the inner wall of first mounting hole with be provided with first vibration isolation bush between the outer wall of bush inner tube, the both ends of bush inner tube are provided with the second mounting hole respectively, be provided with second vibration isolation bush in the second mounting hole, and be provided with the bolt hole on the second vibration isolation bush.
In a preferred embodiment of the double-layer vibration isolation suspension device, the bushing inner tube is provided with at least one lightening hole, and the lightening hole is arranged along the length direction of the bushing inner tube.
In a preferred technical scheme of the double-layer vibration isolation suspension device, the number of the lightening holes is multiple, and the plurality of lightening holes are uniformly distributed along the circumferential direction of the inner pipe of the bushing.
In a preferred embodiment of the double-deck vibration isolating suspension device, the first vibration isolating bush is provided with at least one buffer hole, and the buffer hole is provided along an axial direction of the first vibration isolating bush.
In an advantageous embodiment of the double-deck vibration isolation suspension device, the number of the buffer holes is plural, and the plural buffer holes are uniformly distributed along the circumferential direction of the first vibration isolation bushing.
In a preferred embodiment of the double-layer vibration isolating suspension device, the first vibration isolating bush is made of a rubber material, and the suspension bracket and the bush inner pipe are vulcanized into a whole through the first vibration isolating bush.
In the double-deck vibration isolation mount device according to the preferred embodiment of the present invention, the bolt hole is provided in a direction such that, when the double-deck vibration isolation mount device is assembled in place, the bolt hole is provided in a direction parallel to the Z direction of the vehicle so that the mounting bolt can be inserted in the Z direction of the vehicle.
In a preferred embodiment of the double-layer vibration isolation suspension device, the second vibration isolation bushing includes an inner sleeve and a rubber sleeve, the inner sleeve is disposed in the rubber sleeve, and the bolt hole is disposed on the inner sleeve.
In a preferred embodiment of the double-layer vibration isolation suspension device, two ends of the inner sleeve extend radially outward to form a butting ring, and two ends of the rubber sleeve respectively butt against end faces of the butting ring.
In a preferred embodiment of the double-layer vibration isolating suspension device, the inner sleeve and the inner bushing pipe are vulcanized into a whole through the rubber sleeve.
The utility model also provides a vehicle, the vehicle include sub vehicle frame, construction bolt and in the preferred technical scheme of any of the above-mentioned double-deck vibration isolation suspension device, be provided with on the erection tower seat of sub vehicle frame with bolt hole assorted bolt fastening hole, construction bolt follows the Z of vehicle is to passing the bolt hole is fixed extremely in the bolt fastening hole in order to realize the sub vehicle frame with double-deck vibration isolation suspension device's connection.
As can be understood by those skilled in the art, in the technical solution of the present invention, the vehicle of the present invention comprises an auxiliary frame, a mounting bolt and a double-layer vibration isolation suspension device, wherein the double-layer vibration isolation suspension device comprises a suspension bracket and a bushing inner tube, the suspension bracket is provided with a first mounting hole, the middle part of the bushing inner tube is arranged in the first mounting hole, a first vibration isolation bushing is arranged between the inner wall of the first mounting hole and the outer wall of the bushing inner tube, two ends of the bushing inner tube are respectively provided with a second mounting hole, a second vibration isolation bushing is arranged in the second mounting hole, and a bolt hole is arranged on the second vibration isolation bushing; the auxiliary frame is characterized in that a bolt fixing hole matched with the bolt hole is formed in a mounting tower seat of the auxiliary frame, the mounting bolt penetrates through the bolt hole along the Z direction of the vehicle and is fixed in the bolt fixing hole to realize the connection of the auxiliary frame and the double-layer vibration isolation suspension device, and the double-layer vibration isolation suspension device can be further connected with a power system of the vehicle so as to connect the auxiliary frame and the power system through the double-layer vibration isolation suspension device, so that a vibration isolation effect is effectively achieved. Based on the arrangement, the utility model can effectively solve the problems of insufficient suspension rigidity and insufficient disassembly and assembly space of the power system when the suspension design position of the power system is far away from the auxiliary frame in the Z direction and the design space and the disassembly and assembly space are limited, and can also effectively improve the assembly efficiency; additionally, the utility model discloses a first vibration isolation bush with the second vibration isolation bush realizes under the condition that does not increase part size and weight, promotes whole car NVH performance by a wide margin.
Drawings
Fig. 1 is an application scene diagram of the double-layer vibration isolation suspension device of the present invention;
FIG. 2 is a schematic view of the overall structure of the inner tube of the bushing of the present invention;
FIG. 3 is a cross-sectional view of the bushing inner tube of the present invention;
fig. 4 is a schematic structural view of the double-layer vibration isolation suspension device of the present invention;
FIG. 5 is a sectional view taken along line A-A in FIG. 4;
FIG. 6 is a sectional view taken along line B-B of FIG. 4;
reference numerals:
11. a suspension bracket 111, a first mounting hole;
12. a bushing inner tube; 121. a second mounting hole; 122. lightening holes;
13. a first vibration isolating bushing; 131. a buffer hole;
14. a second vibration isolation bushing; 141. bolt holes; 142. an inner sleeve; 1421. a butting ring; 143. a rubber sleeve;
101. an auxiliary frame; 1011. installing a tower base; 1012. a bolt fixing hole;
102. and (6) installing a bolt.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, the utility model discloses do not make any restriction to the concrete type of vehicle, the technical staff can set for double-deck vibration isolation suspension device's application scenario by oneself according to the in-service use demand.
It should be noted that "Z direction" in the present invention corresponds to Z direction in the vehicle body coordinate system, that is, corresponds to the vertical direction of the vehicle.
Referring to fig. 1 to 3, fig. 1 is an application view of a double-layer vibration isolation suspension device according to the present invention; FIG. 2 is a schematic view of the overall structure of the inner tube of the bushing of the present invention; fig. 3 is a cross-sectional view of the bushing inner tube of the present invention. As shown in fig. 1 to 3, the vehicle of the present invention includes a subframe 101, a mounting bolt 102 and a double-deck isolation mount, wherein the double-deck isolation mount is used for connecting the subframe 101 and a power system of the vehicle to perform an isolation function; it should be noted that, the present invention does not limit the specific structure of the subframe 101 and the specific model of the mounting bolt 102, and the technician can set the specific structure according to the actual use requirement. Specifically, the double-layer vibration isolation suspension device comprises a suspension bracket 11 and a bushing inner tube 12, wherein a first mounting hole 111 is formed in the suspension bracket 11, the middle of the bushing inner tube 12 is arranged in the first mounting hole 111, and a first vibration isolation bushing 13 is arranged between the inner wall of the first mounting hole 111 and the outer wall of the bushing inner tube 12; the bushing inner tube 12 is provided at both ends thereof with second mounting holes 121, respectively, the second vibration isolating bushings 14 are provided in the second mounting holes 121, and bolt holes 141 are provided in the second vibration isolating bushings 14. In addition, it should be noted that, a person skilled in the art can adjust the specific structure of the suspension bracket 11 according to actual use requirements; the adjustment of this concrete structure does not deviate from the basic principle of the present invention, and should belong to the protection scope of the present invention.
Based on the arrangement, the utility model can effectively solve or relieve the problems of insufficient suspension rigidity and insufficient disassembly and assembly space of the power system when the suspension design position of the vehicle power system is far away from the auxiliary frame 101 in the Z direction and the design space and the disassembly and assembly space are limited, and can also effectively improve the assembly efficiency; additionally, the utility model discloses a double-deck vibration isolation suspension realizes under the condition that does not increase part size and weight through setting up first vibration isolation bush 13 and second vibration isolation bush 14, promotes whole car NVH performance by a wide margin.
In addition, a bolt fixing hole 1012 matched with the bolt hole 141 is formed in a mounting tower 1011 of the subframe 101, and a mounting bolt 102 passes through the bolt hole 141 in the Z direction of the vehicle (the direction indicated by the dotted line in fig. 1) and is fixed into the bolt fixing hole 1012 to connect the subframe 101 and the double-deck antivibration suspension device. With the above arrangement, a technician can connect the subframe 101 and the double-deck antivibration suspension device by tightening only the two mounting bolts 102 during assembly. Meanwhile, the assembling direction of the mounting bolt 102 is downward along the Z direction, so that the requirement on the disassembling and assembling operation space is lower than that of the existing horizontal disassembling and assembling design; meanwhile, compared with the existing structural design, the structural design can achieve higher rigidity more easily, so that the design requirement can be effectively met. It should be noted that, the specific structure of the mounting tower 1011 and the specific location of the bolt fixing hole 1012 are not restrictive, and the technician can set the specific structure and location according to the actual use requirement.
With continued reference to fig. 2 and 3, in the preferred embodiment, the liner inner tube 12 is a one-piece dog-bone structure, the cross-sectional shape of the middle portion of which is similar to a diamond shape for connecting to the first mounting hole 111, and two second mounting holes 121 are respectively provided at both ends of the liner inner tube 12 in the length direction; of course, the present invention does not limit the specific shape, structure and size of the inner tube 12, and the technician can adjust the inner tube according to the actual use requirement. The bushing inner tube 12 is further provided with four lightening holes 122, and the four lightening holes 122 are arranged in a penetrating manner and are uniformly distributed along the circumferential direction of the bushing inner tube 12. It should be noted that the above-mentioned arrangement manner is not limited, and the skilled person may set the specific structure, size, number and distribution manner of the lightening holes 122 according to the actual use requirement, for example, only two lightening holes 122 may be provided, and the two lightening holes 122 are disposed oppositely.
Next, referring to fig. 4 to 6, wherein fig. 4 is a schematic structural view of the double-layer vibration isolation suspension device of the present invention; FIG. 5 is a sectional view taken along line A-A in FIG. 4; fig. 6 is a sectional view taken along line B-B in fig. 4. As shown in fig. 4 to 6, in the present preferred embodiment, the first mounting hole 111 is a through-hole structure having a circular sectional shape, and the outer shape of the first vibration damping bush 13 is matched with the shape of the first mounting hole 111 so that the first vibration damping bush 13 can be fixed into the first mounting hole 111; and, the sectional shape of the center hole of the first vibration damping bush 13 is set to be the same as the sectional shape of the middle portion of the bush inner tube 12, so that the middle portion of the bush inner tube 12 can be coupled into the first vibration damping bush 13, thereby enabling the suspension bracket 11 and the bush inner tube 12 to be coupled through the first vibration damping bush 13. Of course, the specific structure of the first vibration isolating bush 13 can be adjusted by the skilled person according to the actual use requirement. Preferably, the first vibration insulating bush 13 is made of a rubber material so that the suspension holder 11 and the bush inner tube 12 can be vulcanized as one body through the first vibration insulating bush 13.
Further, as a preferable arrangement, four buffer holes 131 are further provided on the first vibration damping bushing 13, the buffer holes 131 are provided with a special-shaped hole with a thick cross section at two ends and a thin cross section in the middle, so as to achieve a good buffering and vibration damping effect, and the four buffer holes 131 are arranged in a penetrating manner and are uniformly distributed along the circumferential direction of the first vibration damping bushing 13. When the first vibration damping bushing 13 is coupled in place, the four lightening holes 122 and the four buffer holes 131 are arranged in one-to-one correspondence. In addition, it should be noted that the above arrangement mode is not limited, and a technician may set the specific structure, size, number and distribution mode of the buffer holes 131 according to the actual use requirement, for example, only two buffer holes 131 may be provided, and the two buffer holes 131 are arranged oppositely.
With continued reference to fig. 6, as shown in fig. 6, the second isolator bushing 14 preferably includes an inner sleeve 142 and a rubber sleeve 143, the inner sleeve 142 is disposed in the rubber sleeve 143, and the bolt hole 141 is disposed in the inner sleeve 142. Specifically, the rubber sleeve 143 is formed at the outside thereof with an annular groove having a shape matched with the inner wall and end wall shape of the second mounting hole 121 so as to achieve a preliminary snap-fit effect. Further, upper and lower ends of the inner sleeve 142 extend radially outward to form abutment rings 1421, and upper and lower ends of the rubber sleeve 143 can abut against end faces of the abutment rings 1421, respectively, that is, referring to the orientation in fig. 6, the inner sleeve 142 vertically accommodates the rubber sleeve 143 between the two abutment rings 1421, and the rubber sleeve 143 vertically accommodates the inner wall and the end wall of the second mounting hole 121 through the above-mentioned annular groove. Preferably, the inner sleeve 142 and the rubber sleeve 143 can be constructed in a split structure to facilitate assembly. It is further preferred that the inner sleeve 142 and the bushing inner tube 12 are vulcanized together by the rubber sleeve 143 so that the double-deck isolation mount is provided as a one-piece structure.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (11)
1. A double-layer vibration isolation suspension device for a vehicle is characterized by comprising a suspension bracket and a lining inner pipe,
a first mounting hole is formed in the suspension bracket, the middle of the bushing inner pipe is arranged in the first mounting hole, a first vibration isolation bushing is arranged between the inner wall of the first mounting hole and the outer wall of the bushing inner pipe,
and second mounting holes are respectively formed in two ends of the inner pipe of the bushing, a second vibration isolation bushing is arranged in each second mounting hole, and a bolt hole is formed in each second vibration isolation bushing.
2. The double-deck isolation mounting assembly of claim 1, wherein at least one lightening hole is provided on the bushing inner tube, and the lightening hole is provided along a length direction of the bushing inner tube.
3. The double-layer vibration isolating suspension device according to claim 2, wherein the number of the lightening holes is multiple, and the plurality of the lightening holes are uniformly distributed along the circumferential direction of the inner pipe of the bushing.
4. The double-deck isolation mount of claim 1, wherein at least one relief hole is provided in said first isolation bushing, and said relief hole is provided along an axial direction of said first isolation bushing.
5. The double-deck isolation mount of claim 4, wherein said buffer holes are provided in plural numbers, and said plural buffer holes are uniformly distributed along a circumferential direction of said first isolation bushing.
6. The double-deck isolation mount of any one of claims 1 to 5, wherein the first isolation bushing is made of a rubber material, and the mount bracket and the bushing inner pipe are vulcanized integrally by the first isolation bushing.
7. The double-deck isolation mount according to any one of claims 1 to 5, wherein the bolt hole is provided in a direction such that an axial direction of the bolt hole is parallel to a Z direction of the vehicle in a state where the double-deck isolation mount is assembled in place, so that a mounting bolt can be inserted in the Z direction of the vehicle.
8. The double-deck isolation mount of claim 1, wherein said second isolation bushing comprises an inner sleeve and a rubber sleeve,
the inner sleeve is arranged in the rubber sleeve, and the bolt hole is formed in the inner sleeve.
9. The double-layer isolation mount of claim 8, wherein both ends of the inner sleeve extend radially outward to form an abutment ring,
and two ends of the rubber sleeve are respectively abutted to the end faces of the abutting rings.
10. The double-deck isolation mount of claim 8 or 9, wherein said inner sleeve and said bushing inner tube are vulcanized together by said rubber sleeve.
11. A vehicle comprising a sub-frame, mounting bolts, and the double-deck isolation mount device according to any one of claims 1 to 10,
and the auxiliary frame is provided with bolt fixing holes matched with the bolt holes, and the mounting bolts penetrate through the bolt holes along the Z direction of the vehicle and are fixed in the bolt fixing holes so as to realize the connection of the auxiliary frame and the double-layer vibration isolation suspension device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120589649.7U CN214742948U (en) | 2021-03-23 | 2021-03-23 | Double-layer vibration isolation suspension device for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120589649.7U CN214742948U (en) | 2021-03-23 | 2021-03-23 | Double-layer vibration isolation suspension device for vehicle and vehicle |
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| CN214742948U true CN214742948U (en) | 2021-11-16 |
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| CN202120589649.7U Active CN214742948U (en) | 2021-03-23 | 2021-03-23 | Double-layer vibration isolation suspension device for vehicle and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059613A (en) * | 2021-11-29 | 2022-02-18 | 徐工集团工程机械股份有限公司科技分公司 | Pipe belt type radiator mounting structure for loader |
| CN114654653A (en) * | 2022-02-25 | 2022-06-24 | 智己汽车科技有限公司 | Double-layer vibration isolation suspension and forming method and forming device thereof |
-
2021
- 2021-03-23 CN CN202120589649.7U patent/CN214742948U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059613A (en) * | 2021-11-29 | 2022-02-18 | 徐工集团工程机械股份有限公司科技分公司 | Pipe belt type radiator mounting structure for loader |
| CN114059613B (en) * | 2021-11-29 | 2022-11-29 | 徐工集团工程机械股份有限公司科技分公司 | Pipe belt type radiator mounting structure for loader |
| CN114654653A (en) * | 2022-02-25 | 2022-06-24 | 智己汽车科技有限公司 | Double-layer vibration isolation suspension and forming method and forming device thereof |
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