CN107628119B - Sub vehicle frame connecting bush subassembly, sub vehicle frame and car - Google Patents
Sub vehicle frame connecting bush subassembly, sub vehicle frame and car Download PDFInfo
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- CN107628119B CN107628119B CN201710761522.7A CN201710761522A CN107628119B CN 107628119 B CN107628119 B CN 107628119B CN 201710761522 A CN201710761522 A CN 201710761522A CN 107628119 B CN107628119 B CN 107628119B
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- rubber sleeve
- auxiliary frame
- bushing assembly
- rubber body
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Abstract
The invention provides an auxiliary frame connecting bush component, an auxiliary frame and an automobile, wherein the auxiliary frame connecting bush component comprises: the upper core shaft, the lower core shaft and the rubber body; the lower mandrel penetrates through the rubber body and is connected with the rubber body in a vulcanization mode; first through-hole and second through-hole have been seted up along the axial respectively on upper spindle and the lower dabber, and first through-hole and second through-hole communicate each other in order constituting the shaft hole that is used for with the hub connection, and the quantity of upper spindle is a plurality of, and the height inequality of different upper spindles, a plurality of upper spindles one and lower dabber coaxial coupling. According to the auxiliary frame connecting bush assembly provided by the invention, the change of the axis size of the auxiliary frame connecting bush assembly is realized by replacing different upper mandrels, so that the limiting stroke of the auxiliary frame connecting bush assembly is adjustable.
Description
Technical Field
The invention relates to the technical field of automobile auxiliary frames, in particular to an auxiliary frame connecting bush assembly, an auxiliary frame and an automobile.
Background
The sub vehicle frame is connected through sub vehicle frame connecting bush with the automobile body, and sub vehicle frame connecting bush's primary function is: the damping and filtering suspension system (auxiliary frame) transmits various high and low frequency vibrations to the vehicle body, and improves the comfort of the whole vehicle.
The outer sleeve of the existing auxiliary frame connecting bushing is made of metal materials, the inner sleeve of the auxiliary frame connecting bushing is of a single mandrel structure, and the inner sleeve pipe of the auxiliary frame connecting bushing is pressed into the outer sleeve of the auxiliary frame connecting bushing to form the auxiliary frame connecting bushing.
However, the inner sleeve of the subframe connection bushing is generally not adjustable and is only suitable for subframe and chassis structures of a certain structure and size, and the parts are less universal and economical.
Disclosure of Invention
The invention provides an auxiliary frame connecting bush assembly, an auxiliary frame and an automobile, which have better replaceability and part economy.
the invention provides a sub-frame connecting bushing assembly, comprising: the upper core shaft, the lower core shaft and the rubber body; the rubber body is pressed into the auxiliary frame bushing mounting hole, and the lower mandrel penetrates through the rubber body and is connected with the rubber body in a vulcanization mode; first through-hole and second through-hole have been seted up along the axial respectively on upper spindle and the lower dabber, and first through-hole and second through-hole communicate each other in order constituting the shaft hole that is used for with the hub connection, and the quantity of upper spindle is a plurality of, and the height inequality of different upper spindles, a plurality of upper spindles one and lower dabber coaxial coupling.
Furthermore, an upper mandrel boss extends from the upper mandrel, a plurality of bosses are arranged on the outer side wall of the upper mandrel boss at intervals, the upper mandrel boss is inserted into the second through hole, and the plurality of bosses are in interference fit with the second through hole.
Furthermore, the second through hole is a taper hole, the taper of the second through hole from the upper section to the lower section is increased in sequence, the upper mandrel is inserted into the upper section of the second through hole, and the upper mandrel is in interference fit with the upper part of the second through hole.
Further, the rubber body comprises a first rubber sleeve and a second rubber sleeve, and the first rubber sleeve is sleeved in the second rubber sleeve; the lower mandrel penetrates through the first rubber sleeve and is connected with the first rubber sleeve in a vulcanization mode, a plurality of first grooves are arranged on the outer side wall of the second rubber sleeve at intervals, and the first grooves are parallel to the central shaft of the second rubber sleeve.
Furthermore, the auxiliary frame connecting bushing assembly further comprises an inner framework, the inner framework is located in the second rubber sleeve, and the inner framework is connected with the second rubber sleeve in a vulcanization mode.
Furthermore, the auxiliary frame connecting bushing assembly further comprises a first buffer piece, the first buffer piece is arranged at the top of the second rubber sleeve, the first buffer piece is at least two buffer bosses, and the buffer bosses are uniformly arranged at intervals.
Furthermore, the auxiliary frame connecting bushing assembly further comprises a limiting support, wherein a second buffer piece is connected to the limiting support and is located at the bottom of the rubber body.
Further, the second bolster all is connected through vulcanizing with spacing support and rubber body respectively, and the second bolster personally submits the wave with the rubber body contact.
The invention also provides a subframe comprising a subframe connection bushing assembly.
The invention also provides an automobile comprising the auxiliary frame.
According to the auxiliary frame connecting bush component, the auxiliary frame and the automobile, the plurality of upper mandrels are selected to be coaxially connected with the lower mandrel, the heights of the different upper mandrels are different, the change of the axis size of the auxiliary frame connecting bush component is realized by replacing the different upper mandrels under the condition that the lower mandrel and the rubber body are not adjusted, the limit stroke of the auxiliary frame connecting bush component is adjustable, and the part generalization rate of the auxiliary frame connecting bush is improved. Has better replaceability and part economy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a first embodiment of a subframe attachment bushing assembly according to the present invention;
FIG. 2 is a view of a subframe attachment bushing assembly of the present invention in connection with a subframe bushing mounting hole;
FIG. 3 is a view of the connection of the rubber body to the lower spindle of one embodiment of the subframe attachment bushing assembly of the present invention;
FIG. 4 is a schematic structural view of an inner frame of an embodiment of a subframe attachment bushing assembly according to the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the construction of a lower spindle of an embodiment of a subframe attachment bushing assembly of the present invention;
FIG. 7 is a schematic view of the upper spindle of one embodiment of a subframe attachment bushing assembly of the present invention;
FIG. 8 is a top view of the upper spindle of one embodiment of a subframe attachment bushing assembly of the present invention;
FIG. 9 is a schematic structural view of a second embodiment of a subframe attachment bushing assembly in accordance with the present invention;
FIG. 10 is a schematic view of a second embodiment of a subframe attachment bushing assembly according to the present invention;
Fig. 11 is a schematic structural diagram of a subframe according to a third embodiment of the present invention.
Description of reference numerals:
1. the auxiliary frame comprises an upper mandrel, 2 parts of a lower mandrel, 3 parts of a rubber body, 4 parts of an auxiliary frame bushing mounting hole, 5 parts of a first through hole, 6 parts of a second through hole, 7 parts of a shaft, 8 parts of an upper mandrel boss, 9 parts of a boss, 10 parts of a first rubber sleeve, 11 parts of a second rubber sleeve, 12 parts of a first groove, 13 parts of an inner frame, 14 parts of a fourth through hole, 15 parts of a second groove, 16 parts of a flange, 17 parts of a third through hole, 18 parts of a first buffer member, 19 parts of a limiting support, 20 parts of a second buffer member and 21 parts of an auxiliary frame body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
example one
The invention provides a subframe connection bushing assembly. FIG. 1 is a schematic structural view of a first embodiment of a subframe attachment bushing assembly according to the present invention; FIG. 2 is a view of a subframe attachment bushing assembly of the present invention in connection with a subframe bushing mounting hole; FIG. 3 is a diagram of the connection of the rubber body to the lower spindle of one embodiment of the subframe attachment bushing assembly of the present invention; FIG. 4 is a schematic structural view of an inner frame of an embodiment of a subframe attachment bushing assembly according to the present invention; FIG. 5 is a cross-sectional view of FIG. 4; FIG. 6 is a schematic view of the construction of a lower spindle of an embodiment of a subframe attachment bushing assembly of the present invention; FIG. 7 is a schematic view of the upper spindle of one embodiment of a subframe attachment bushing assembly of the present invention; FIG. 8 is a top view of an upper spindle of an embodiment of a subframe attachment bushing assembly according to the present invention. As shown in fig. 1 and 2, the sub frame connecting bushing assembly of the present embodiment includes: the device comprises an upper mandrel 1, a lower mandrel 2 and a rubber body 3; the rubber body 3 is pressed into the auxiliary frame bushing mounting hole 4, and the lower core shaft 2 penetrates through the rubber body 3 and is connected with the rubber body 3 in a vulcanization mode; first through-hole 5 and second through-hole 6 have been seted up along the axial respectively on upper spindle 1 and the lower spindle 2, and first through-hole 5 and second through-hole 6 communicate each other in order constituting the shaft hole that is used for being connected with axle 7, and the quantity of upper spindle 1 is a plurality of, and the difference is gone up the height inequality of spindle 1, a plurality of 1 selections of upper spindle and lower spindle 2 coaxial coupling.
According to the auxiliary frame connecting bush assembly, the double-mandrel structure of the upper mandrel 1 and the lower mandrel 2 is adopted, under the condition that the lower mandrel 2 and the rubber body 3 are not adjusted, the change of the axis size of the auxiliary frame connecting bush assembly is realized by replacing different upper mandrels 1, the limit stroke of the auxiliary frame connecting bush assembly is adjustable, and the part universalization rate of the auxiliary frame connecting bush is improved.
As shown in fig. 2, 7 and 8, the specific coaxial connection between the upper spindle 1 and the lower spindle 2 is preferably implemented in a manner that an upper spindle boss 8 extends from the upper spindle 1, a first through hole 5 of the upper spindle 1 extends through the upper spindle boss 8, an outer edge diameter of the upper spindle boss 8 is smaller than an outer edge diameter of the upper spindle 1, the upper spindle 1 and the upper spindle boss 8 form a step shaft, a plurality of bosses 9 are arranged on an outer side wall of the upper spindle boss 8 at intervals, the upper spindle boss 8 is inserted into the second through hole 6, and the plurality of bosses 9 are in interference fit with the second through hole 6.
specifically, the number of the bosses 9 can be eight, the thickness of the bosses 9 can be 0.4mm, and chamfers are arranged at the tops of the bosses 8 of the upper mandrel, so that the bosses 8 of the upper mandrel can be conveniently inserted into the second through holes 6.
As shown in fig. 6, the structure of the second through hole 6 is: the second through hole 6 is a taper hole, the taper of the second through hole 6 from the upper section to the lower section is sequentially increased, the taper of the second through hole 6 from the upper section to the lower section is 91 degrees, 91.5 degrees and 92 degrees, the upper core shaft 1 is in interference fit with the upper part of the second through hole 6, the second through hole 6 can be set into a step hole, the diameter of the upper section of the second through hole 6 is the largest, the taper is 91 degrees, the upper core shaft 1 is inserted into the upper section of the second through hole 6 with the taper of 91 degrees, so that the upper core shaft 1 and the lower core shaft 2 are tightened in a moment, the interference fit is also gradually increased, and the relative rotation between the upper core shaft 1 and the lower core shaft 2 is effectively prevented.
as shown in fig. 2 and 3, specifically, the rubber body 3 includes a first rubber sleeve 10 and a second rubber sleeve 11, the first rubber sleeve 10 is sleeved in the second rubber sleeve 11, the radial direction of the rubber body 3 is a solid structure, and the axial direction of the rubber body 3 is a hollow structure, so that the rigidity of the rubber body 3 in the axial direction and the radial direction is inconsistent, the rigidity (linear rigidity/torsional rigidity) in each direction is optimized, and the comfort of the vehicle when the vehicle is subjected to transverse impact is effectively improved; the lateral wall interval of second rubber sleeve 11 sets up a plurality of first recesses 12, and a plurality of first recesses 12 are all parallel with second rubber sleeve 11's center pin, and first recess 12 has reduced the pressure and the fluctuation of 3 pressure equipments of the rubber body income sub vehicle frame bush mounting hole 4, has improved the pressure and has exerted power, has effectively promoted the qualification rate of 3 pressure equipments of the rubber body income frame bush mounting hole 4 simultaneously.
The concrete connection mode of the rubber body 3 and the lower mandrel 2 is as follows: the lower core shaft 2 penetrates through the first rubber sleeve 10 and is connected with the first rubber sleeve 10 in a vulcanization mode, the outer side face of the lower core shaft 2 is provided with a step shaft, a step hole matched with the step shaft on the outer side face of the lower core shaft 2 is formed in the first rubber sleeve 10, and the step shaft on the outer side face of the lower core shaft 2 is inserted into the step hole of the first rubber sleeve 10, so that the lower core shaft 2 is connected with the first rubber sleeve 10 in a vulcanization mode more firmly.
As shown in fig. 2, 4 and 5, the sub frame connecting bushing assembly provided in this embodiment further includes an inner frame 13, the inner frame 13 is located in the second rubber sleeve 11, the inner frame 13 is connected to the second rubber sleeve 11 by vulcanization, the inner frame 2 plays a role of supporting the second rubber sleeve 11, a fourth through hole 14 and a second groove 15 disposed around the fourth through hole 14 are disposed at the bottom of the inner frame 13, the first rubber sleeve 10 passes through the fourth through hole 14 and is connected to the inner edge of the fourth through hole 14 by vulcanization, a flange 16 is disposed at the top of the inner frame 13, a third through hole 17 is disposed on the flange 16, a protrusion is disposed inside the inner frame 13, the protrusion, the fourth through hole 14, the second groove 15 and the third through hole 17 are all for facilitating the vulcanization connection of the inner frame 13 with the first rubber sleeve 10 and the second rubber sleeve 11, so that the vulcanization connection of the inner frame 13 with the first rubber sleeve 10 and the second rubber sleeve 11 is firmer, the vulcanized flange 16 covers the edge of the sub frame bushing mounting hole 4. When the auxiliary frame connecting bushing assembly is pressed into the auxiliary frame bushing mounting hole 4, the upper core shaft 1 and the lower core shaft 2 move upwards together with an auxiliary frame, in a limit state, after the boss 9 is compressed, a vehicle body can be in contact with the auxiliary frame and a second rubber sleeve 11 vulcanized with an inner framework 13, and the vulcanized flanging 16 blocks the upper core shaft 1 and the lower core shaft 2 from moving upwards together with the auxiliary frame, so that the vulcanized flanging 16 has an upward limiting effect.
As shown in fig. 1, the sub vehicle frame connecting bushing assembly that this embodiment provided still includes first bolster 18, and first bolster 18 sets up at the top of second rubber sleeve 11, and first bolster 18 has played flexible spacing effect, prevents that rubber body 3 from producing with the automobile body and colliding with, causes the abnormal sound, influences the whole car travelling comfort, and is preferred, and first bolster 18 is two at least buffering bosss, and the even interval of buffering boss sets up, and the buffering boss is the arc with 11 top assorted of second rubber sleeve.
According to the auxiliary frame connecting bush assembly, the upper mandrels are selected to be coaxially connected with the lower mandrel, the heights of the different upper mandrels are different, the change of the axis size of the auxiliary frame connecting bush assembly is realized by replacing the different upper mandrels under the condition that the lower mandrel and the rubber body are not adjusted, the limiting stroke of the auxiliary frame connecting bush assembly is adjustable, and the part universalization rate of the auxiliary frame connecting bush is improved. Has better replaceability and part economy.
Example two
In accordance with a first embodiment, the present invention provides another subframe attachment bushing assembly. FIG. 9 is a schematic structural view of a second embodiment of a subframe attachment bushing assembly in accordance with the present invention; FIG. 10 is a schematic view of a second embodiment of a subframe connecting bushing assembly according to the present invention. The structure of this embodiment is the same as that of the first embodiment, and is not repeated herein, as shown in fig. 9 and fig. 10, the difference between this embodiment and the first embodiment is that, on the basis of the first embodiment, a limiting bracket 19 is added in this embodiment;
The method specifically comprises the following steps: including spacing support 19, be connected with second bolster 20 on the spacing support 19, second bolster 20 is located the bottom of the rubber body 3, and second bolster 20 is the same with first bolster 18's effect, has also played flexible spacing effect, prevents that rubber body 3 from colliding with the automobile body production, causes the abnormal sound, influences whole car travelling comfort, and second bolster 20 is relative with the spacing direction of first bolster 18.
The upper core shaft 1, the lower core shaft 2 and the rubber body 3 are connected with a vehicle body through the limiting support 19, specifically, a connecting hole is formed in the limiting support 19, a bolt penetrates through the connecting hole to connect the limiting support 19 with the vehicle body, or other detachable connecting modes are adopted to connect the limiting support 19 with the vehicle body, and specific limitation is not made here.
The limiting support 19 is provided with a shaft hole, the shaft 7 penetrates through the shaft hole, and the limiting support 19 is connected with the upper core shaft 1 and the lower core shaft 2, so that the auxiliary frame connecting bush assembly, namely the upper core shaft 1, the lower core shaft 2, the rubber body 3 and the limiting support 19 are connected with an auxiliary frame.
Preferably, the second buffer member 20 is respectively connected with the limiting support 19 and the rubber body 3 through vulcanization, and the contact surface of the second buffer member 20 and the rubber body 3 is wavy, so that the comfort of the whole vehicle can be effectively improved.
The auxiliary frame connecting bushing assembly is similar to the embodiment in the realization principle and technical effect, the limiting support is additionally arranged on the basis of the embodiment I, the second buffer piece connected to the limiting support plays a role in flexible limiting, the rubber body is prevented from colliding with the vehicle body to cause abnormal sound, the comfort of the whole vehicle is influenced, and the auxiliary frame connecting bushing assembly is matched with the first buffer piece to realize the upper and lower limiting of the whole vehicle.
EXAMPLE III
The invention also provides an auxiliary frame, and fig. 11 is a schematic structural diagram of a third embodiment of the auxiliary frame. As shown in fig. 11, the subframe according to the present invention includes the subframe connection bushing assembly and the subframe body 21 provided in the first embodiment or the second embodiment, wherein the structure, the operation principle and the main function of the subframe connection bushing assembly have been described in detail in the first and second embodiments, and are not repeated herein.
According to the auxiliary frame provided by the invention, the auxiliary frame connecting bush component is arranged, so that the limiting stroke of the auxiliary frame connecting bush component is adjustable, the part generalization rate of the auxiliary frame connecting bush is improved, and the comfort of the whole vehicle is improved.
Example four
The invention further provides an automobile which comprises the auxiliary frame connecting bush assembly and the automobile body, wherein the structure, the working principle and the main functions of the auxiliary frame connecting bush assembly are described in detail in the third embodiment, and are not repeated herein.
According to the automobile provided by the invention, the auxiliary frame connecting bush component is arranged, so that the limiting stroke of the auxiliary frame connecting bush component is adjustable, the part generalization rate of the auxiliary frame connecting bush is improved, and the whole comfort of an automobile body is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A sub frame connection bushing assembly, comprising: the upper core shaft, the lower core shaft and the rubber body; the rubber body is pressed into an auxiliary frame bushing mounting hole, and the lower core shaft penetrates through the rubber body and is connected with the rubber body in a vulcanization mode; the upper mandrel and the lower mandrel are respectively provided with a first through hole and a second through hole along the axial direction, the first through holes and the second through holes are mutually communicated to form shaft holes for shaft connection, the number of the upper mandrels is multiple, the heights of different upper mandrels are different, and one of the multiple upper mandrels is coaxially connected with the lower mandrel;
the upper mandrel is provided with an upper mandrel boss in an extending mode, a plurality of bosses are arranged on the outer side wall of the upper mandrel boss at intervals, the upper mandrel boss is inserted into the second through hole, and the bosses are in interference fit with the second through hole.
2. The subframe attachment bushing assembly according to claim 1, wherein the second through hole is a tapered hole, the taper of the second through hole increases from the upper section to the lower section, the upper spindle is inserted into the upper section of the second through hole, and the upper spindle is in interference fit with the upper section of the second through hole.
3. The subframe attachment bushing assembly of claim 1 wherein said rubber body includes a first rubber sleeve and a second rubber sleeve, said first rubber sleeve being received within said second rubber sleeve; the lower core shaft penetrates through the first rubber sleeve and is connected with the first rubber sleeve in a vulcanization mode, a plurality of first grooves are arranged on the outer side wall of the second rubber sleeve at intervals, and the first grooves are parallel to the central shaft of the second rubber sleeve.
4. The bushing assembly of claim 3, further comprising an inner frame disposed within said second rubber sleeve, said inner frame being vulcanization bonded to said second rubber sleeve.
5. The subframe attachment bushing assembly of claim 3, further comprising a first bumper disposed on top of said second rubber sleeve, said first bumper being at least two bumper bosses spaced apart from each other.
6. The subframe attachment bushing assembly of claim 3 further comprising a limit bracket having a second bumper attached thereto, said second bumper being positioned at a bottom of said rubber body.
7. The subframe attachment bushing assembly of claim 6 wherein said second cushion member is vulcanized to said stop bracket and said rubber body, respectively, and said second cushion member is in a wavy shape in contact with said rubber body.
8. A subframe comprising the subframe attachment bushing assembly of any of claims 1-7.
9. an automobile comprising the subframe of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761522.7A CN107628119B (en) | 2017-08-30 | 2017-08-30 | Sub vehicle frame connecting bush subassembly, sub vehicle frame and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761522.7A CN107628119B (en) | 2017-08-30 | 2017-08-30 | Sub vehicle frame connecting bush subassembly, sub vehicle frame and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107628119A CN107628119A (en) | 2018-01-26 |
| CN107628119B true CN107628119B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710761522.7A Active CN107628119B (en) | 2017-08-30 | 2017-08-30 | Sub vehicle frame connecting bush subassembly, sub vehicle frame and car |
Country Status (1)
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| CN (1) | CN107628119B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533022A (en) * | 2018-12-10 | 2019-03-29 | 山东国金汽车制造有限公司 | A kind of novel auxiliary frame installation bushing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398262B1 (en) * | 2000-09-26 | 2002-06-04 | Dana Corporation | Modular subframe assembly for a motor vehicle |
| CN101607572A (en) * | 2009-07-23 | 2009-12-23 | 重庆长安汽车股份有限公司 | A kind of connection bush structure of twist beam-type rear suspension |
| US9068620B2 (en) * | 2013-02-27 | 2015-06-30 | The Pullman Company | Body mount having suspended ring member |
| CN203142793U (en) * | 2013-03-08 | 2013-08-21 | 上海汇众汽车制造有限公司 | Suspending device for subframe |
| CN203844842U (en) * | 2014-04-14 | 2014-09-24 | 上海汇众汽车制造有限公司 | Rubber bushing and connection system of auxiliary frame and body |
| CN206111918U (en) * | 2016-09-14 | 2017-04-19 | 上汽通用五菱汽车股份有限公司 | Sub vehicle puts up liner assembly |
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2017
- 2017-08-30 CN CN201710761522.7A patent/CN107628119B/en active Active
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