CN222208774U - Double vibration isolation liquid seal structure and vehicle - Google Patents
Double vibration isolation liquid seal structure and vehicle Download PDFInfo
- Publication number
- CN222208774U CN222208774U CN202420441327.1U CN202420441327U CN222208774U CN 222208774 U CN222208774 U CN 222208774U CN 202420441327 U CN202420441327 U CN 202420441327U CN 222208774 U CN222208774 U CN 222208774U
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- vibration isolation
- rubber body
- interlayer
- liquid seal
- seal structure
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- 238000002955 isolation Methods 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 239000011229 interlayer Substances 0.000 claims abstract description 35
- 230000000670 limiting effect Effects 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 8
- 230000002238 attenuated effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 13
- 230000009467 reduction Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Combined Devices Of Dampers And Springs (AREA)
Abstract
The utility model provides a double vibration isolation liquid seal structure and a vehicle, which belong to the technical field of vehicles and comprise an interlayer inner core, an outer rubber body, a runner and an outer pipe, wherein the interlayer inner core comprises a first inner pipe, a rubber interlayer and a second inner pipe which are sequentially arranged from inside to outside to form secondary vibration isolation; the outer rubber body is arranged on the outer side of the interlayer inner core to form primary vibration isolation, the runner is wound on the outer wall of the outer rubber body and communicated with the liquid chamber on the outer rubber body, and the outer pipe is arranged on the outer side of the outer rubber body and seals the runner. The double vibration isolation liquid seal structure provided by the utility model has the advantages that the rubber interlayer is arranged in the interlayer inner core, vibration transmitted by the outer layer structure can be attenuated again after vibration is attenuated by the first vibration isolation formed by the outer rubber body, so that the second vibration isolation is formed, the vibration isolation attenuation performance of the product is improved, and thus, the driving experience is improved, and secondly, the rubber interlayer is arranged in the interlayer inner core, meanwhile, the high-frequency characteristic of the product is improved, and the dynamic stiffness requirement of the product at high frequency is met.
Description
Technical Field
The utility model belongs to the technical field of vehicles, and particularly relates to a double vibration isolation liquid seal structure and a vehicle with the same.
Background
The liquid seal bushing is mainly arranged on a suspension, an auxiliary frame, a stabilizer bar and the like, unexpected vibration can occur when the vehicle runs, the liquid seal bushing can limit displacement, peripheral products are protected, vibration can be isolated, driving feeling is improved, and the liquid seal bushing is one of key parts on an automobile.
The traditional hydraulic bushing has only one layer of rubber, which is used for sealing the liquid chamber, and damping is generated by utilizing the flow of the rubber and damping liquid, so that vibration is further damped.
The hydraulic bushings currently used in vehicles have the following drawbacks:
(1) Generally, only one layer of vibration isolation rubber has poor damping capacity on vibration, and part of vibration can still be transmitted to a vehicle body through a hydraulic bushing to influence driving feeling.
(2) Structural limitations exist, and the rigidity performance in the direction of the liquid chamber is single, and the performance is poor when the liquid chamber vibrates at high frequency.
Disclosure of utility model
The embodiment of the utility model provides a double vibration isolation liquid seal structure and a vehicle, and aims to solve the problems of poor vibration damping capability and poor rigidity of a conventional hydraulic bushing.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the double vibration isolation liquid seal structure comprises:
The interlayer inner core comprises a first inner pipe, a rubber interlayer and a second inner pipe which are sequentially arranged from inside to outside to form a second-level vibration isolation;
The outer rubber body is arranged at the outer side of the interlayer inner core to form primary vibration isolation;
A flow passage wound on the outer wall of the outer rubber body and communicated with the liquid chamber on the outer rubber body, and
And the outer tube is arranged at the outer side of the outer rubber body and seals the flow passage.
With reference to the first aspect, in one possible implementation manner, both axial ends of the rubber interlayer have a first annular cavity.
With reference to the first aspect, in one implementation manner, a first anti-rotation plane is disposed on an outer wall of the rubber interlayer, and an inner wall of the second inner tube has a first attaching surface attached to the first anti-rotation plane.
With reference to the first aspect, in one implementation manner, the outer wall of the second inner tube is provided with a second rotation preventing plane, and the inner wall of the outer rubber body is provided with a second attaching surface attached to the second rotation preventing plane.
With reference to the first aspect, in one implementation manner, both axial ends of the outer rubber body are provided with second annular cavities.
With reference to the first aspect, in one possible manner, a thickened portion is provided on the outer rubber body that encloses the second inner tube portion within the second annular cavity.
With reference to the first aspect, in one possible implementation manner, the thickened portion is located outside the second bonding surface of the outer rubber body.
With reference to the first aspect, in one possible implementation manner, the thickened portions are symmetrically disposed on the outer rubber body.
With reference to the first aspect, in one implementation manner, a limiting groove for limiting the flow channel is provided on an outer wall of the outer rubber body.
Compared with the prior art, the double vibration isolation liquid seal structure has the advantages that the sandwich inner core is adopted, the rubber sandwich is arranged on the sandwich inner core, vibration is attenuated by primary vibration isolation formed by the outer rubber body, the rubber sandwich can attenuate vibration transmitted by the outer layer structure again to form secondary vibration isolation, vibration isolation attenuation performance of the product is improved, driving experience is improved, and the rubber sandwich is arranged on the inner core, meanwhile, high-frequency characteristics of the product are improved, and the requirement of dynamic stiffness of the product in high frequency is met.
In a second aspect, the embodiment of the utility model also provides a vehicle, which is provided with the double vibration isolation liquid seal structure.
The vehicle provided by the embodiment of the utility model adopts the liquid seal structure with the two-stage vibration isolation function and good high-frequency vibration performance, so that the driving experience of the whole vehicle is improved.
Drawings
Fig. 1 is a schematic perspective view of a dual vibration isolation liquid seal structure according to an embodiment of the present utility model;
Fig. 2 is a schematic top view of a dual vibration isolation liquid seal structure according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
Fig. 5 is an exploded schematic view of a dual vibration isolation liquid seal structure according to an embodiment of the present utility model;
fig. 6 is a schematic perspective view of an interlayer core according to an embodiment of the present utility model;
Fig. 7 is a schematic top view of a sandwich core according to an embodiment of the present utility model;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;
FIG. 9 is a cross-sectional view taken along line D-D of FIG. 7;
Fig. 10 is a schematic perspective view of a dual vibration isolation liquid seal structure according to an embodiment of the present utility model with an outer tube removed;
FIG. 11 is a schematic perspective view of an outer rubber body according to an embodiment of the present utility model;
Reference numerals illustrate:
1. The outer pipe, the outer rubber body, 21, the thickening part, 22, the second annular cavity, 23, the liquid chamber, 24, the second joint surface, 25, the limiting groove, 3, the interlayer inner core, 31, the first inner pipe, 32, the rubber interlayer, 321, the first annular cavity, 322, the first rotation preventing plane, 33, the second inner pipe, 331, the second rotation preventing plane and 4, the runner.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 11 together, a description will now be given of a dual vibration isolation liquid seal structure provided by the present utility model. The double vibration isolation liquid seal structure comprises an interlayer inner core 3, an outer rubber body 2, a flow channel 4 and an outer pipe 1, wherein the interlayer inner core 3 comprises a first inner pipe 31, a rubber interlayer 32 and a second inner pipe 33 which are sequentially arranged from inside to outside to form secondary vibration isolation, the outer rubber body 2 is arranged on the outer side of the interlayer inner core 3 to form primary vibration isolation, the flow channel 4 is wound on the outer wall of the outer rubber body 2 and communicated with a liquid chamber 23 on the outer rubber body 2, and the outer pipe 1 is arranged on the outer side of the outer rubber body 2 and seals the flow channel 4.
Compared with the prior art, the double vibration isolation liquid seal structure has the advantages that the interlayer inner core 3 is adopted, the rubber interlayer 32 is arranged on the interlayer inner core 3, after vibration is attenuated by primary vibration isolation formed by the outer rubber body 2, the rubber interlayer 32 can attenuate the vibration transmitted by the outer layer structure again to form secondary vibration isolation, the vibration isolation attenuation performance of the product is improved, and accordingly driving experience is improved, and secondly, the rubber interlayer 32 is arranged on the inner core, meanwhile, the high-frequency characteristic of the product is improved, and the dynamic stiffness requirement of the product in high frequency is met.
In some embodiments, referring to fig. 6-9, the rubber interlayer 32 has a first annular cavity 321 at both axial ends. By arranging the first annular cavities 321 at the two ends of the rubber interlayer 32, the damping, vibration reduction and energy absorption effects of the secondary vibration isolation can be improved, and meanwhile, the product is light.
Alternatively, the first annular cavity 321 is formed as an outwardly opening U-shaped channel.
In some embodiments, as shown in fig. 5 to 9, a first rotation preventing plane 322 is provided on an outer wall of the rubber interlayer 32, and an inner wall of the second inner tube 33 has a first fitting surface that fits the first rotation preventing plane 322. Through the first rotation preventing plane 322 and the first attaching surface that set up for have the circumference rotation preventing structure of face-to-face laminating between rubber intermediate layer 32 and the second inner tube 33, thereby guarantee second inner tube 33 and rubber intermediate layer 32 complex fastness and reliability, avoid taking place relative rotation between the two and lead to the problem of functional failure such as damping, biography power, and then guarantee the validity of product two-stage damping and the validity of high frequency damping.
In order to ensure the reliability of the vibration reduction effect and the integrity of the sandwich inner core 3, a first rotation preventing plane 322 and a first attaching surface are symmetrically arranged on the sandwich inner core 3.
In some embodiments, referring to fig. 5 to 11, the outer wall of the second inner tube 33 has a second rotation preventing plane 331, and the inner wall of the outer rubber body 2 has a second attaching surface 24 attached to the second rotation preventing plane 331. Through the second rotation preventing plane 331 and the second attaching surface 24 that set up for have the circumference rotation preventing structure of face laminating between second inner tube 33 and the outer rubber body 2, thereby guarantee second inner tube 33 and outer rubber body 2 complex fastness and reliability, avoid taking place relative rotation between the two and lead to the problem of functional failure such as damping, biography power, and then guarantee the validity of product two-stage damping and the validity of high frequency damping.
According to the liquid seal structure provided by the embodiment, through the circumferential anti-rotation structure between the rubber interlayer 32 and the second inner pipe 33 and the circumferential anti-rotation structure between the outer rubber body 2 and the second inner pipe 33, the two-stage circumferential anti-rotation structure of the product is formed, so that the assembly positions of all parts of the product are guaranteed, the effectiveness of two-stage vibration isolation of the product can be guaranteed when the product bears conventional vibration and unexpected irregular vibration, and the driving experience of a driver can be met no matter normal driving or emergency is met.
Similarly, the second rotation preventing plane 331 and the second bonding surface 24 are symmetrically arranged between the second inner tube 33 and the outer rubber body 2, so that the connection firmness between the interlayer inner core 3 and the outer rubber body 2 is improved, and the problems of product vibration reduction and force transmission failure caused by relative rotation between the two are prevented.
It should be noted that, the first rotation preventing plane 322, the first bonding surface, the second rotation preventing plane 331 and the second bonding surface 24 on the same side are parallel to each other, so as to form a layer-by-layer stacked structure.
In some embodiments, as shown in fig. 3, the outer rubber body 2 is provided with a second annular cavity 22 at both axial ends. By arranging the second annular cavities 22 at the two ends of the outer rubber body 2, the damping, vibration reduction and energy absorption effects of the primary vibration isolation can be improved, and meanwhile, the product is light.
Optionally, the second annular chamber 22 is formed as an outwardly opening U-shaped channel.
In some embodiments, as shown in fig. 2, 5 and 10 to 11, a thickened portion 21 is provided on the outer rubber body 2, which encloses a portion of the second inner tube 33 within the second annular chamber 22. By locally thickening the outer rubber body 2, the radial limiting and buffering effects of the outer rubber body 2 are improved.
In some embodiments, as shown in fig. 2, 5, 10-11, the thickened portion 21 is located on the outside of the second abutment surface 24 of the outer rubber body 2. Specifically, the radial limiting and buffering effects can be improved by thickening the circumferential anti-rotation structure part.
In some embodiments, as shown in fig. 2, 5 and 10 to 11, the outer rubber body 2 is symmetrically provided with thickened portions 21. The embodiment corresponds to a circumferential anti-rotation limiting structure arranged in the circumferential direction of a product, and has the functions of radial limiting and buffering, so that the effectiveness of secondary vibration reduction of the product is ensured.
In some embodiments, as shown in fig. 11, a limiting groove 25 for limiting the flow channel 4 is provided on the outer wall of the outer rubber body 2. The runner 4 is located the axial intermediate position of product, through the spacing recess 25 on outer rubber body 2, forms axial spacing to the runner 4, and then guarantees the validity that damping fluid flows.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Based on the same inventive concept, the embodiment of the application also provides a vehicle provided with the double vibration isolation liquid seal structure.
The vehicle provided by the embodiment of the utility model adopts the liquid seal structure with the two-stage vibration isolation function and good high-frequency vibration performance, so that the driving experience of the whole vehicle is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a two vibration isolation liquid seal structures which characterized in that includes:
the interlayer inner core (3) comprises a first inner pipe (31), a rubber interlayer (32) and a second inner pipe (33) which are sequentially arranged from inside to outside to form secondary vibration isolation;
the outer rubber body (2) is arranged at the outer side of the interlayer inner core (3) to form primary vibration isolation;
A flow passage (4) wound on the outer wall of the outer rubber body (2) and communicated with a liquid chamber (23) on the outer rubber body (2), and
The outer tube (1) is arranged on the outer side of the outer rubber body (2) and seals the flow channel (4).
2. The dual vibration isolation wet seal structure of claim 1, wherein said rubber interlayer (32) has a first annular cavity (321) at both axial ends.
3. The double vibration isolation liquid seal structure according to claim 1, wherein a first rotation preventing plane (322) is provided on an outer wall of the rubber interlayer (32), and an inner wall of the second inner tube (33) has a first bonding surface bonded to the first rotation preventing plane (322).
4. A double vibration isolation liquid seal structure according to claim 3, characterized in that the outer wall of the second inner tube (33) is provided with a second rotation preventing plane (331), and the inner wall of the outer rubber body (2) is provided with a second bonding surface (24) bonded with the second rotation preventing plane (331).
5. A double vibration isolation liquid seal structure according to claim 4, characterized in that the outer rubber body (2) is provided with a second annular cavity (22) at both axial ends.
6. A double vibration isolation liquid seal according to claim 5, characterized in that a thickening (21) is provided on the outer rubber body (2) which encloses the second inner tube (33) portion in the second annular chamber (22).
7. A double vibration isolation liquid seal according to claim 6, wherein the thickened portion (21) is located outside the second abutment surface (24) of the outer rubber body (2).
8. A double vibration isolation liquid seal structure according to claim 7, characterized in that the thickened portions (21) are symmetrically arranged on the outer rubber body (2).
9. The double vibration isolation liquid seal structure according to claim 1, wherein a limit groove (25) for limiting the flow channel (4) is arranged on the outer wall of the outer rubber body (2).
10. A vehicle provided with a double vibration-isolating liquid seal structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420441327.1U CN222208774U (en) | 2024-03-07 | 2024-03-07 | Double vibration isolation liquid seal structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420441327.1U CN222208774U (en) | 2024-03-07 | 2024-03-07 | Double vibration isolation liquid seal structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222208774U true CN222208774U (en) | 2024-12-20 |
Family
ID=93868249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420441327.1U Active CN222208774U (en) | 2024-03-07 | 2024-03-07 | Double vibration isolation liquid seal structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222208774U (en) |
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2024
- 2024-03-07 CN CN202420441327.1U patent/CN222208774U/en active Active
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