CN211106924U - Low dynamic-static ratio suspension structure - Google Patents
Low dynamic-static ratio suspension structure Download PDFInfo
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- CN211106924U CN211106924U CN201921539453.6U CN201921539453U CN211106924U CN 211106924 U CN211106924 U CN 211106924U CN 201921539453 U CN201921539453 U CN 201921539453U CN 211106924 U CN211106924 U CN 211106924U
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Abstract
The utility model discloses a low dynamic-static ratio suspension structure, which is a main spring structure, wherein a middle framework is vulcanized in the main spring structure, a rubber circulation hole is arranged on the middle framework, and the main spring structure is divided into an upper main spring and a lower main spring by the middle framework; the framework comprises an upper framework and a lower framework, the main spring structure is fixedly supported between the upper framework and the lower framework, and a triple fixing structure is arranged between the main spring structure and the lower framework; and the limiting cover is used for realizing the axial and radial limiting of the main spring structure, and the limiting cover is sleeved on the main spring structure. The utility model provides a low sound ratio suspension structure can satisfy spacing requirement, can reduce the sound ratio again, is favorable to improving the NVH performance.
Description
Technical Field
The utility model belongs to the technical field of the auto parts and specifically relates to a low dynamic-static ratio suspension structure is related to.
Background
NVH refers to noise, vibration and harshness of sound and vibration of an automobile, NVH is a comprehensive problem for measuring automobile manufacturing quality, the feeling of automobile users is most intuitive, different NVH standards of automobiles are different, consumers purchasing household automobiles generally expect that a carriage of the automobile can be quiet as much as possible during driving, the vibration is small, and the operation is smooth.
For example, a "suspension rubber main spring" disclosed in chinese patent literature, which is under publication No. CN202326859U, includes a gold cast aluminum bracket; rubber is respectively arranged on the outer sides of the two cast aluminum brackets; a metal outer framework is arranged outside the rubber; further comprising: two metal middle frames; the two metal middle frameworks are respectively embedded in the rubber; the utility model has the advantages that: under the condition of meeting the assembly condition of the product, the rigidity requirement on the rubber main spring can be met without debugging the rubber formula and the rubber structure, the fatigue and safety performance of the product are ensured, and the production cost is reduced. But the utility model discloses it is difficult to satisfy spacing requirement.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome prior art's the higher rubber main spring of adoption hardness when satisfying spacing requirement, can bring great sound to compare, be unfavorable for balanced NVH's problem, provide a low sound to compare suspension structure, can satisfy spacing requirement, can reduce sound to compare again, be favorable to improving the NVH performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a low dynamic-static ratio suspension structure comprises a main spring structure, wherein a middle framework is vulcanized in the main spring structure, a rubber circulation hole is formed in the middle framework, and the main spring structure is divided into an upper main spring and a lower main spring by the middle framework; the framework comprises an upper framework and a lower framework, the main spring structure is fixedly supported between the upper framework and the lower framework, and a triple fixing structure is arranged between the main spring structure and the lower framework; and the limiting cover is used for realizing the axial and radial limiting of the main spring structure, and the limiting cover is sleeved on the main spring structure.
The main spring structure is made of vulcanized rubber, a middle framework is additionally arranged in the main spring structure and is arranged in the main spring structure through vulcanization, the material of the middle framework is different from that of the main spring structure, the material of the middle framework is made of materials such as iron and PA66, the middle framework divides the main spring structure into an upper main spring and a lower main spring, when an automobile starts an engine to vibrate, the rigidity of the rubber of the upper main spring and the lower main spring is not large, but the middle framework is arranged to achieve the rigidity required by massive suspension, so that the dynamic-static ratio of the suspension device is reduced, in addition, a rubber circulation hole is arranged on the middle framework, when the rubber is injected, the middle framework can block the rubber to flow in a mold, and the rubber circulation hole on the middle framework is convenient for the rubber to flow from the upper end of the middle framework to the lower end of the middle framework, so that the main spring structure can be formed; the upper framework and the lower framework are arranged to facilitate vulcanization of the main spring structure, and the upper framework and the lower framework are vulcanized and fixed with the main spring structure respectively, wherein the lower framework is used for realizing mounting connection between the suspension structure and other parts of an automobile, so that the lower framework and the main spring structure must be firmly connected, and the triple fixing structure arranged between the lower framework and the main spring structure is beneficial to ensuring the mounting firmness between the lower framework and the main spring structure; the limiting cover is used for limiting, and the limiting cover is sleeved on the main spring structure, so that the axial and radial movement of the main spring structure is limited, and the main spring structure meets the limiting requirement.
Preferably, the triple fixation structure includes a first reinsertion structure, a second reinsertion structure, and a third triple cantilever support structure.
The lower framework is used for connecting the suspension structure with the automobile chassis frame, the main part of the suspension structure is the main spring structure, so that the lower framework and the main spring structure are firmly connected, and the arrangement of the triple fixing structure ensures the installation firmness between the lower framework and the main spring structure.
Preferably, the first heavy insertion structure comprises a cantilever support arranged on the lower framework and a cantilever insertion sleeve arranged on the main spring structure, and the cantilever support is inserted into the cantilever insertion sleeve.
The first heavy grafting structure is used for fixing the cantilever on the lower framework, the cantilever on the lower framework is spliced in the cantilever splicing sleeve of the main spring structure, the first heavy fixation between the lower framework and the main spring structure is realized, and the arrangement of the cantilever is also favorable for reducing the dynamic-static ratio.
Preferably, the second heavy adhesion structure comprises an adhesive, a bottom plate is arranged on the lower framework, and the adhesive adheres the main spring structure to the bottom plate.
Before the main spring structure is subjected to rubber injection molding, the bottom plate is coated with the adhesive and vulcanized, so that the bottom plate is firmly bonded on the main spring structure, the second fixing between the lower framework and the main spring structure is realized, and the installation firmness between the main spring structure and the lower framework is improved.
Preferably, the third cantilever supporting structure comprises a transition surface arranged between the cantilever support and the bottom plate, the main spring structures are vulcanized on two sides of the transition surface, the transition surface is provided with a flow guide hole, and a connecting column connected with the main spring structures on two sides is further arranged in the flow guide hole.
Be provided with the transition face between the cantilever of skeleton and the bottom plate down, the transition face be provided with and do benefit to the intensity that improves cantilever and bottom plate junction, when injection rubber forms main spring structure, rubber can flow transition face downside through the water conservancy diversion hole, make main spring structure form rubber about the transition face, the centre is connected by the spliced pole, this has just formed cantilever bearing structure, and as long as the spliced pole of main spring structure is not cracked, main spring structure and down be connected between the skeleton just can not break off, effectively strengthen the installation firmness between main spring structure and the lower skeleton.
Preferably, the lower framework is provided with a mounting hole.
Lower skeleton is used for installing suspension structure and car chassis frame, and the mounting hole setting is convenient for fix down between skeleton and the car chassis frame, sets up the connecting piece in the mounting hole, just can install lower skeleton on car chassis frame, and simple to operate is swift.
Preferably, the position corresponding to the upper framework and the limit cover is provided with a connecting hole and a positioning hole, a connecting piece is arranged in the connecting hole, and a positioning piece is arranged on the positioning hole.
The connecting piece is used for connecting the limiting cover and other parts of the automobile, so that the suspension structure is fixedly connected with the other parts of the automobile, the positioning piece on the positioning hole is used for positioning, the installation and positioning of the limiting cover are facilitated, and inconvenience caused by improper installation position of the limiting cover when the limiting cover is installed and connected is effectively prevented. The positions of the connecting hole and the positioning hole on the upper framework are consistent with those of the limiting cover, the upper framework is connected with the limiting cover, and the connecting piece and the positioning piece sequentially penetrate through the upper framework and the limiting cover to connect the limiting cover with other parts of the automobile.
Therefore, the utility model discloses following beneficial effect has:
(1) by arranging the middle framework, the rigidity of the block-shaped suspension static load is increased, and NVH (noise, vibration and harshness) is balanced;
(2) the limit cover is arranged, so that the limit requirement is met;
(3) the middle framework is provided with a rubber circulation hole which is convenient for the flow of the injected rubber;
(4) the installation firmness between the lower framework and the main spring structure is enhanced by arranging the triple fixing structures.
Drawings
Fig. 1 is a schematic structural diagram of a suspension structure with a low dynamic-static ratio according to the present invention;
FIG. 2 is an exploded view of a low dynamic to static ratio suspension;
FIG. 3 is a schematic structural view of a position-limiting cover;
FIG. 4 is a schematic structural view of a main spring structure;
FIG. 5 is a schematic structural view of a mesoframe;
FIG. 6 is a schematic structural view of the lower skeleton;
in the figure: 1. the device comprises a limiting cover 101, a connecting hole 102, a positioning hole 2, a main spring structure 201, a cantilever insertion sleeve 3, a middle framework 301, a rubber circulation hole 4, a lower framework 401, a cantilever support 402, a transition surface 403, a diversion hole 404, a mounting hole 405, a bottom plate 5, a connecting piece 6, a positioning piece 7 and an upper framework.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1:
in embodiment 1 shown in fig. 1, 2 and 5, a low dynamic-static ratio suspension structure comprises a main spring structure 2, wherein a middle framework 3 is vulcanized in the main spring structure (2), a rubber flow hole 301 is formed in the middle framework, and the main spring structure 2 is divided into an upper main spring and a lower main spring by the middle framework 3; the main spring structure 2 is fixedly supported between the upper framework 7 and the lower framework 4, and a triple fixing structure is arranged between the main spring structure 2 and the lower framework 4; and the limiting cover 1 is used for realizing axial and radial limiting of the main spring structure 2, and the limiting cover 1 is sleeved on the main spring structure 2.
The main spring structure 2 is a main part of a suspension structure, the rigidity requirement of the main spring structure 2 is very high, when the rigidity of the main spring structure 2 is large, the dynamic-static ratio can be improved, the NVH of an automobile is not balanced conveniently, the main spring structure 2 is made of rubber, a middle framework 3 is arranged in the main spring structure 2, the material of the middle framework 3 is different from that of the main spring structure 2, the material of the middle framework 3 is iron, PA66 and the like, the middle framework 3 divides the main spring structure 2 into an upper main spring and a lower main spring, when the automobile starts an engine to vibrate, the rubber rigidity of the upper main spring and the lower main spring is not large, but the middle framework 3 is arranged to achieve the rigidity required by block suspension, the dynamic-static ratio is reduced conveniently, the middle framework 3 is connected with the main spring structure 2 through vulcanization, a plurality of rubber holes 301 are formed in the middle framework 3, the middle framework 3 is prevented from blocking the rubber flow when the rubber is injected, and the rubber flow holes 301 are arranged to be beneficial to completely filling the mold through the middle framework 3, forming the main spring structure 2; the skeleton includes skeleton 7 and lower skeleton 4, it is convenient for main spring structure shaping when vulcanizing to go up skeleton 7 and lower skeleton 4's setting, 2 bottoms of main spring structure are set up to lower skeleton 4, lower skeleton 4 is used for erection joint suspension structure and car chassis frame, be provided with triple fixed knot structure under between skeleton and main spring structure 2, triple fixed knot structure can effectively ensure down the installation firmness between skeleton 4 and the main spring structure, prevent to be connected between skeleton and the main spring structure down and drop and cause the potential safety hazard, 1 covers of spacing lid are established on main spring structure 2, spacing lid 1 is used for realizing axial and radial spacing of main spring structure 2, when avoiding automobile engine vibrations, main spring structure 2 breaks away from and causes automobile fault.
Example 2:
as shown in fig. 4 and 6, the embodiment 2 is basically the same as the embodiment 1, except that: the triple fixing structure between the lower framework and the main spring structure comprises a first double-inserting structure, a second double-adhering structure and a third triple cantilever supporting structure, the lower framework 4 comprises a cantilever support 401 and a bottom plate which are vertically arranged, the cantilever support 401 is uniformly arranged around the bottom plate 405, the number of uniform handles is at least two, the main spring structure 2 is correspondingly provided with a cantilever plug-in sleeve 201, the cantilever plug-in sleeve 201 is arranged to be a hollow structure, then the cantilever support 401 is inserted into the cantilever insertion sleeve 201 to realize the fixation of the first heavy insertion structure, the cantilever support 401 on the lower framework 4 is not directly inserted into the hollow structure of the cantilever insertion sleeve 201 during the installation, the lower framework 4 is connected with the main spring structure 2 in a vulcanization way, the lower framework 4 is arranged on a mould, then, rubber is injected into the mold to form the main spring structure 2, so that the cantilever support 401 on the lower framework 4 is inserted into the cantilever insertion sleeve 201 of the main spring structure 2; the second bonding structure comprises an adhesive, the adhesive is coated on the bottom plate, and then vulcanization is carried out, so that the bottom plate is firmly bonded on the main spring structure, and the second bonding between the lower framework and the main spring structure 2 is realized; the third triple cantilever supporting structure comprises a transition surface 402 arranged between a cantilever support 401 of a lower framework 4 and a bottom plate 405, wherein the transition surface 402 is arranged into a chamfered surface structure, the transition surface 402 is arranged to be beneficial to improving the connection strength between the cantilever support 401 and the bottom plate 405, in addition, a flow guide hole 403 is formed in the transition surface 402 and used for guiding rubber for injection, after the injection molding of the main spring structure 2 is completed, rubber is arranged on the upper side and the lower side of the transition surface 402, a connecting column is arranged in the flow guide hole 403 to connect the rubber on the upper side and the lower side of the transition surface 402 together, meanwhile, the rubber on the upper side and the lower side of the transition surface 402 and the connecting column firmly install the lower framework 4 and the main spring structure 2 together, the third triple fixation between the lower framework and the main spring structure is realized, and the installation firmness between the lower framework 4 and the main spring structure.
In addition, the lower framework 4 is further provided with a mounting hole 404, the lower framework 4 is used for mounting the suspension structure and the chassis frame, the mounting hole 404 on the lower framework 4 is the position where the lower framework 4 is fixedly connected with the chassis frame, and the lower framework 4 and the chassis frame can be connected and mounted by arranging a connecting and fixing piece in the mounting hole 404.
Example 3:
as shown in fig. 3, the embodiment 3 is basically the same as the embodiment 1, except that: the limiting cover 1 is provided with a connecting hole 101 and a positioning hole 102, the corresponding position of the upper framework 7 is also provided with the connecting hole 101 and the positioning hole 102, a connecting piece 5 is arranged in the connecting hole 101, the connecting piece 5 is arranged to be a connecting bolt, a positioning piece 6 is arranged in the positioning hole 102, the positioning piece 6 is arranged to be a positioning pin, the connecting bolt is used for connecting the limiting cover 1 with other parts of an automobile, the positioning pin is convenient for positioning the limiting cover 1 when being connected, and inconvenience caused by improper connecting position of the limiting cover 1 is prevented. In addition, go up skeleton 7 installation setting in spacing 1 bottom of covering, go up skeleton 7 and set up to vulcanize skeleton 7, go up the shaping of skeleton 7's setting main spring structure 2 of being convenient for, go up skeleton 7 and spacing 1 fixed connection of covering, can be along with spacing 1 striking main spring structure 2 of covering.
To sum up, a low dynamic-static ratio suspension structure installation step does: the connecting piece 5 and the positioning piece 6 are installed on the upper framework 7, then the corresponding positions of the lower framework 4, the middle framework 3 and the upper framework 7 are respectively coated with adhesives and are sequentially placed in a mold, then rubber is injected for vulcanization, the limiting cover 1 is sleeved on the main spring structure through the connecting piece 5 and the positioning piece 6, then the installation of the suspension structure is completed, and finally, the suspension structure is connected to a longitudinal power assembly and an auxiliary frame when the suspension structure is used.
The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (7)
1. A suspension structure with low dynamic-static ratio is characterized by comprising,
the spring structure comprises a main spring structure (2), wherein a middle framework is vulcanized in the main spring structure (2), a rubber circulation hole (301) is formed in the middle framework, and the main spring structure (2) is divided into an upper main spring and a lower main spring by the middle framework (3);
the main spring structure (2) is fixedly supported between the upper framework (7) and the lower framework (4);
a triple fixing structure is arranged between the main spring structure (2) and the lower framework (4);
the limiting cover (1) is used for realizing axial and radial limiting of the main spring structure (2), and the limiting cover (1) is sleeved on the main spring structure (2).
2. The low dynamic-static ratio suspension structure as claimed in claim 1, wherein the triple fixing structure comprises a first re-inserting structure, a second re-adhering structure and a third re-cantilever support structure.
3. The suspension structure with low dynamic-static ratio as claimed in claim 2, wherein the first heavy plug structure comprises a cantilever support (401) arranged on the lower framework (4) and a cantilever plug sleeve (201) arranged on the main spring structure (2), and the cantilever support (401) is plugged in the cantilever plug sleeve (201).
4. The suspension structure with low dynamic-static ratio as claimed in claim 2, wherein the second re-bonding structure comprises an adhesive, a bottom plate (405) is arranged on the lower framework, and the adhesive bonds the main spring structure (2) to the bottom plate (405).
5. The low dynamic-static ratio suspension structure as claimed in claim 3, wherein the third cantilever support structure comprises a transition surface (402) arranged between the cantilever support (401) and the bottom plate, the main spring structure (2) is vulcanized on two sides of the transition surface, a flow guide hole (403) is arranged on the transition surface (402), and a connecting column for connecting the main spring structures on two sides is further arranged in the flow guide hole.
6. The suspension structure with low dynamic-static ratio as claimed in any one of claims 1-5, wherein the lower frame (4) is provided with a mounting hole (404).
7. The suspension structure with low dynamic-static ratio as claimed in any one of claims 1-5, wherein a connecting hole (101) and a positioning hole (102) are arranged at the corresponding positions of the limiting cover (1) and the upper framework, a connecting piece (5) is arranged in the connecting hole (101), and a positioning piece (6) is arranged on the positioning hole (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539453.6U CN211106924U (en) | 2019-09-16 | 2019-09-16 | Low dynamic-static ratio suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539453.6U CN211106924U (en) | 2019-09-16 | 2019-09-16 | Low dynamic-static ratio suspension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211106924U true CN211106924U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921539453.6U Active CN211106924U (en) | 2019-09-16 | 2019-09-16 | Low dynamic-static ratio suspension structure |
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| Country | Link |
|---|---|
| CN (1) | CN211106924U (en) |
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- 2019-09-16 CN CN201921539453.6U patent/CN211106924U/en active Active
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |