CN212338006U - Two-way high damping hydraulic pressure sub vehicle frame bush and car - Google Patents
Two-way high damping hydraulic pressure sub vehicle frame bush and car Download PDFInfo
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- CN212338006U CN212338006U CN202021271499.7U CN202021271499U CN212338006U CN 212338006 U CN212338006 U CN 212338006U CN 202021271499 U CN202021271499 U CN 202021271499U CN 212338006 U CN212338006 U CN 212338006U
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Abstract
The utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush belongs to hydraulic pressure bush technical field, including the outer tube, go up elasticity main part and lower elasticity main part, the splendid attire has hydraulic oil in the outer tube, it locates inside the outer tube with elasticity main part top-down to go up elasticity main part, it constitutes first hydraulic chamber to go up between elasticity main part and the lower elasticity main part, first concave part and second concave part have been seted up to elasticity main part opposite side down, first concave part and second concave part constitute second hydraulic chamber and third hydraulic chamber with the outer tube inner wall respectively, the first runner that is used for communicateing first hydraulic chamber and second hydraulic chamber is offered on elasticity main part upper portion down, the second runner that is used for communicateing second hydraulic chamber and third hydraulic chamber is offered to elasticity main part lower part down. The utility model also provides an use the car of above-mentioned two-way high damping hydraulic pressure sub vehicle frame bush. The utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush can satisfy the changeable vibrations condition of vehicle, and the damping is respond well.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic pressure bush, more specifically say, relate to a two-way high damping hydraulic pressure sub vehicle frame bush and use car of this two-way high damping hydraulic pressure sub vehicle frame bush.
Background
The sub vehicle frame bush effect is for connecting automobile body and sub vehicle frame to there is the vibration isolation component of restraint, guard action to the motion trend, current bush often sets up according to the atress condition of automobile body and sub vehicle frame, reduces the whole vibrations of vehicle through self buffering, improves the stability of whole car.
The vehicle is at the in-process of traveling, and the atress direction can change at any time, and the direction of vehicle vibrations is more complicated, and conventional bush is pure rubber bush, often is difficult to satisfy the changeable vibrations of vehicle, and the damping effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-way high damping hydraulic pressure sub vehicle frame bush aims at solving pure rubber bush and often is difficult to satisfy the changeable vibrations of vehicle, the relatively poor problem of damping effect.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush, includes the outer tube, goes up elastic body and elastic body down, the splendid attire has hydraulic oil in the outer tube, go up elastic body and elastic body top-down locates down inside the outer tube, go up elastic body and constitute first hydraulic chamber down between the elastic body, first concave part and second concave part have been seted up to elastic body opposite side down, first concave part with the second concave part respectively with the outer tube inner wall constitutes second hydraulic chamber and third hydraulic chamber, elastic body upper portion down is seted up and is used for communicateing the first runner of first hydraulic chamber with the second hydraulic chamber, elastic body lower part is seted up and is used for communicateing the second hydraulic chamber with the second runner of third hydraulic chamber.
As another embodiment of the present application, a first annular recess is formed in a lower end surface of the upper elastic body, a second annular recess is formed in an upper end surface of the lower elastic body, the first annular recess and the second annular recess are oppositely disposed to form the first hydraulic chamber, and the first flow passage communicates with the second annular recess.
As another embodiment of this application, the lower extreme of outer tube has set firmly and has kept off the ring, the internal diameter that keeps off the ring is less than the internal diameter of outer tube, the upper end of outer tube is equipped with the ring flange, the circumference of ring flange up end be equipped with a plurality of to the bent plate that the outer tube axial was buckled, it is with the help of a plurality of to go up the elastic main part the bent plate pressure equipment is in the up end of ring flange, down the elastic main part compress tightly in go up the elastic main part with keep off between the ring.
As another embodiment of the present application, a mounting ring is pre-embedded in the circumferential direction of the upper elastic body, the outer diameter of the mounting ring is larger than the outer diameter of the upper elastic body, and the mounting ring is press-mounted on the upper end surface of the flange plate through a plurality of bending plates.
As another embodiment of this application, the lower terminal surface of elasticity main part down is equipped with first sealing washer, first sealing washer compress tightly in elasticity main part down with keep off between the ring.
As another embodiment of the application, an inner sleeve is axially arranged in the outer sleeve, the upper elastic body and the lower elastic body are sleeved on the inner sleeve from top to bottom, a gland is further sleeved on the upper portion of the inner sleeve, and the gland is pressed at the upper end of the upper elastic body.
As another embodiment of this application, be equipped with downwardly extending's adapter sleeve on the gland, the adapter sleeve cover is established interior sleeve pipe is last, the pressure equipment groove is seted up to the circumference of adapter sleeve bottom, the inner circle of going up the elasticity main part is equipped with annular blank pressing, annular blank pressing compress tightly in the pressure equipment inslot.
As another embodiment of the application, a conformal framework is embedded in the lower elastic main body.
As another embodiment of the present application, two second sealing rings are disposed on an upper portion of the lower elastic body, the two second sealing rings are located on upper and lower sides of the first flow channel, and the two second sealing rings are compressed between the lower elastic body and the outer sleeve to seal the first flow channel; and the lower part of the lower elastic main body is provided with two third sealing rings, the two third sealing rings are positioned at the upper side and the lower side of the second flow channel, and the two third sealing rings are tightly pressed between the lower elastic main body and the outer sleeve and are used for sealing the second flow channel.
The utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush's beneficial effect lies in: compared with the prior art, the utility model discloses two-way high damping hydraulic pressure sub vehicle frame bush goes up the elastic main part and elastic main part self possesses elasticity down, and when the bush bore axial force, go up the elastic main part and take place the first hydraulic chamber of deformation extrusion, the hydraulic oil in the first hydraulic chamber enters into the second hydraulic chamber through first runner, realizes the high damping characteristic of axial. When the bushing bears a radial force, the lower elastic main body deforms to extrude the second hydraulic chamber or the third hydraulic chamber, hydraulic oil in the second hydraulic chamber enters the third hydraulic chamber through the second flow passage, or hydraulic oil in the third hydraulic chamber enters the second hydraulic chamber through the second flow passage, and the radial high damping characteristic is achieved. Similarly, when the bushing bears multi-directional stress, the first hydraulic chamber, the second hydraulic chamber and the third hydraulic chamber deform according to the stress condition, and hydraulic oil is forced to flow in the three hydraulic chambers through the first flow passage or the second flow passage, so that the high damping characteristic of multi-directional stress is provided. The utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush can satisfy the changeable vibrations condition of vehicle, and the damping is respond well.
The utility model also provides a car, included two-way high damping hydraulic pressure sub vehicle frame bush.
The utility model provides a car compares with prior art, owing to used foretell two-way high damping hydraulic pressure sub vehicle frame bush, consequently possesses the same beneficial effect with two-way high damping hydraulic pressure sub vehicle frame bush, no longer gives unnecessary details here one by one.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a perspective view of a bidirectional high-damping hydraulic subframe bushing provided in an embodiment of the present invention;
fig. 2 is a front view of a bidirectional high damping hydraulic subframe bushing provided in an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the line A in FIG. 2;
FIG. 4 is an enlarged view at B of FIG. 3;
fig. 5 is a perspective view of an upper elastic body according to an embodiment of the present invention;
fig. 6 is a perspective view of a lower elastic body according to an embodiment of the present invention;
fig. 7 is a perspective view of the conformal framework provided in the embodiment of the present invention.
In the figure: 1. an outer sleeve; 101. a baffle ring; 102. a flange plate; 103. a bending plate; 2. an upper elastic body; 201. a mounting ring; 3. a lower elastic body; 301. a first seal ring; 302. a second seal ring; 303. a third seal ring; 4. a first hydraulic chamber; 401. a first annular recess; 402. a second annular recess; 5. a second hydraulic chamber; 6. a third hydraulic chamber; 7. a first flow passage; 8. a second flow passage; 9. an inner sleeve; 10. a gland; 11. connecting sleeves; 12. pressing and assembling the groove; 13. annular blank pressing; 14. a conformal framework.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, the bidirectional high damping hydraulic sub-frame bushing provided by the present invention will now be described. Two-way high damping hydraulic pressure sub vehicle frame bush, including outer tube 1, go up elastic main body 2 and lower elastic main body 3, the splendid attire has hydraulic oil in the outer tube 1, it locates inside outer tube 1 with lower elastic main body 3 top-down to go up elastic main body 2, it constitutes first hydraulic chamber 4 to go up between elastic main body 2 and the lower elastic main body 3, first concave part and second concave part have been seted up to lower elastic main body 3 opposite side, first concave part and second concave part constitute second hydraulic chamber 5 and third hydraulic chamber 6 with outer tube 1 inner wall respectively, first runner 7 that is used for communicateing first hydraulic chamber 4 and second hydraulic chamber 5 is seted up on lower elastic main body 3 upper portion, second runner 8 that is used for communicateing second hydraulic chamber 5 and third hydraulic chamber 6 is seted up to lower elastic main body 3 lower part.
The utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush compares with prior art, goes up elastic main body 2 and elastic main body 3 self possesses elasticity down, when the bush bears the axial force, goes up elastic main body 2 and takes place deformation extrusion first hydraulic chamber 4, and hydraulic oil in the first hydraulic chamber 4 enters into second hydraulic chamber 5 through first runner 7, realizes the high damping characteristic of axial. When the bushing bears a radial force, the lower elastic main body 3 deforms to extrude the second hydraulic chamber 5 or the third hydraulic chamber 6, hydraulic oil in the second hydraulic chamber 5 enters the third hydraulic chamber 6 through the second flow passage 8, or hydraulic oil in the third hydraulic chamber 6 enters the second hydraulic chamber 5 through the second flow passage 8, and the radial high damping characteristic is achieved. Similarly, when the bushing bears multi-directional stress, the first hydraulic chamber 4, the second hydraulic chamber 5 and the third hydraulic chamber 6 deform according to the stress condition, and hydraulic oil is forced to flow in the three hydraulic chambers through the first flow passage 7 or the second flow passage 8, so that high damping characteristic of multi-directional stress is provided. The utility model provides a two-way high damping hydraulic pressure sub vehicle frame bush can satisfy the changeable vibrations condition of vehicle, and the damping is respond well.
Go up elastic body 2 and elastic body 3 down and be the rubber material, and go up elastic body 2 and elastic body 3 down and be the cylinder, the outer wall laminating is on outer sleeve pipe 1's inner wall.
Hydraulic oil is extruded to enter the hydraulic chamber in the stress direction through the first flow channel 7 or the second flow channel 8, the upper elastic body or the lower elastic body can be damped to continue to deform, and high damping characteristics can be effectively achieved.
As a specific implementation manner of the two-way high damping hydraulic sub-frame bushing, please refer to fig. 3, the lower end surface of the upper elastic body 2 has been provided with a first annular concave portion 401, the upper end surface of the lower elastic body 3 has been provided with a second annular concave portion 402, the first annular concave portion 401 and the second annular concave portion 402 are relatively disposed to form a first hydraulic chamber 4, and the first flow channel 7 communicates with the second annular concave portion 402. In this embodiment, the first annular recess 401 is a concave tapered cavity formed in the lower end surface of the lower elastic body 3, and the inner space of the first annular recess 401 gradually increases from top to bottom. The second annular recess 402 is a concave tapered cavity formed on the upper surface of the upper elastic body 2, and the inner space of the second annular recess 402 is gradually increased from bottom to top. Because first annular concave part 401 and second annular concave part 402 possess above-mentioned structure, when the bush bore axial force, go up elastic body 2 and change and take place deformation in its middle part first, the first hydraulic pressure of being convenient for realizes quick deformation by force, extrudes hydraulic oil to the second hydraulic pressure intracavity, can form axial damping fast. One side of the upper part of the lower elastic body 3 is provided with a through hole which is communicated with the first annular concave part 401 and the first flow passage 7, so that the hydraulic oil in the first hydraulic chamber 4 can smoothly enter the second hydraulic chamber 5 or flow back to the first hydraulic chamber 4 again.
As a specific implementation manner of the two-way high damping hydraulic sub-frame bushing, please refer to fig. 2, the lower end of the outer sleeve 1 is fixedly provided with the baffle ring 101, the inner diameter of the baffle ring 101 is smaller than the inner diameter of the outer sleeve 1, the upper end of the outer sleeve 1 is provided with the flange plate 102, the circumference of the upper end surface of the flange plate 102 is provided with a plurality of bending plates 103 bending towards the axial direction of the outer sleeve 1, the upper elastic main body 2 is pressed on the upper end surface of the flange plate 102 by the aid of the plurality of bending plates 103, and the lower elastic main body 3 is pressed between the upper elastic main body 2 and the baffle. In this embodiment, the retaining ring 101 and the outer sleeve 1 are integrally formed, and the included angle between the retaining ring 101 and the outer sleeve 1 is 90 °, so that the retaining ring 101 is horizontally disposed and has sufficient structural strength. Further, the inner diameter of the retainer ring 101 is smaller than the outer diameter of the lower elastic body 3. Flange plate 102 and outer tube 1 integrated into one piece, the external diameter of flange plate 102 is greater than the external diameter of outer tube 1, and bent plate 103 includes riser and diaphragm, and a plurality of riser integrated into one piece in flange plate 102's circumference, and evenly set up, and diaphragm integrated into one piece in the tip of riser, and inside buckling, constitute the pressure equipment space between diaphragm and the flange plate 102, this pressure equipment space and the marginal thickness phase-match of last elasticity main part 2. When the two-way high-damping hydraulic auxiliary frame bushing provided by the utility model is installed, the lower elastic main body 3 is firstly installed inside the outer sleeve 1 along the axial direction of the outer sleeve 1, and the lower end of the lower elastic main body 3 is abutted against the baffle ring 101; then the upper elastic body 2 is arranged inside the outer sleeve 1 along the axial direction of the outer sleeve 1, and the upper elastic body 2 is pressed on the lower elastic body 3; finally, the upper elastic body 2 is press-fitted to the upper portion of the outer sleeve 1 by means of a plurality of bending plates 103. At this time, the upper elastic body 2 and the lower elastic body 3 are tightly pressed and stably fitted with the outer sleeve 1.
As a specific implementation manner of the two-way high damping hydraulic sub frame bushing, please refer to fig. 1, fig. 3 and fig. 5, the circumference of the upper elastic body 2 is pre-buried with the mounting ring 201, the outer diameter of the mounting ring 201 is greater than the outer diameter of the upper elastic body 2, and the mounting ring 201 is pressed on the upper end surface of the flange plate 102 through the plurality of bending plates 103. In this embodiment, an annular groove is formed in the circumferential direction of the upper elastic body 2, one axial side of the annular groove close to the outer sleeve 1 is bent downward and extends, the cross section of the mounting ring 201 is L-shaped, and the shape of the mounting ring is matched with that of the annular groove. The mounting ring 201 is made of hard material, and light alloy can be selected as the structural framework of the upper elastic body 2. When deformation takes place for first hydraulic chamber 4, because the existence of structure skeleton, go up elastic body and can not take place deformation by a wide margin, avoid going up elastic body and outer tube 1 and appear the clearance, and influence the directional flow of hydraulic oil. The excircle of the mounting ring 201 is pressed on the flange plate 102 through a plurality of bending plates 103, a certain gap is arranged between the mounting ring 201 and the flange plate 102, when the mounting ring 201 is pressed through the bending plates 103, the part of the upper elastic body 2 positioned in the gap is simultaneously pressed, thereby providing the stability and the sealing performance of the upper elastic body and the outer sleeve 1.
As a specific implementation manner of the bidirectional high damping hydraulic sub-frame bushing provided by the present invention, please refer to fig. 2, the lower end surface of the lower elastic body 3 is provided with the first sealing ring 301, and the first sealing ring 301 is compressed between the lower elastic body 3 and the baffle ring 101. In this embodiment, the first seal ring 301 can improve the sealing performance between the upper elastic body 2 and the retainer ring 101, thereby avoiding the leakage of hydraulic oil.
As a specific implementation of the two-way high damping hydraulic sub vehicle frame bushing, please refer to fig. 2, the inner sleeve 9 is axially arranged inside the outer sleeve 1, the upper elastic body 2 and the lower elastic body 3 are sleeved on the inner sleeve 9 from top to bottom, the upper portion of the inner sleeve 9 is further sleeved with a gland 10, and the gland 10 is pressed on the upper end of the upper elastic body 2. In this embodiment, the outer wall of the inner sleeve 9 is provided with a stepped structure, the outer diameter of the upper portion is smaller than that of the lower portion, the upper elastic body 2 and the lower elastic body 3 are sleeved on the larger outer diameter portion of the lower portion of the inner sleeve 9 from top to bottom, the gland 10 is sleeved on the smaller outer diameter portion of the upper portion of the inner sleeve 9 and is press-fitted on the upper end of the upper elastic body 2, and the gland 10 and the inner sleeve 9 can be fixed in a threaded or welded manner, so that the stability of the upper elastic body 2 is improved, and the situation that the upper elastic body.
As a specific implementation of the two-way high damping hydraulic pressure sub vehicle frame bush please refer to fig. 2, is equipped with downwardly extending's adapter sleeve 11 on the gland 10, and 11 covers of adapter sleeve are established on interior sleeve pipe 9, and the circumference of adapter sleeve 11 bottom is seted up and is had pressure equipment groove 12, and the inner circle of going up elasticity main part 2 is equipped with annular blank pressing 13, and annular blank pressing 13 compresses tightly in pressure equipment groove 12. In this embodiment, the connection sleeve 11 and the gland 10 are integrally formed, and the connection sleeve 11 is installed outside the inner sleeve 9 through threads, so that the upper elastic main body 2 can be compressed, and the structural stability of the upper elastic main body 2 is improved. The lower end of the connecting sleeve 11 is circumferentially provided with a press groove 12, the annular blank holder 13 and the upper elastic body are integrally formed and are also made of elastic materials, and the thickness of the annular blank holder is larger than that of the press groove 12. After the upper elastic body is installed in place, the pressing cover 10 and the connecting sleeve 11 are installed on the inner sleeve 9, when the pressing cover 10 is installed in place, the annular pressing edge 13 is pressed by the pressing groove 12, and the annular pressing edge 13 deforms, so that the sealing performance between the upper elastic body and the annular pressing edge is ensured.
As a specific embodiment of the two-way high damping hydraulic sub-frame bushing provided in the present invention, please refer to fig. 2 and 7, the following skeleton 14 is embedded inside the lower elastic body 3. In this embodiment, the conformal framework 14 is embedded in the lower elastic body 3 during molding to form a supporting framework. When the second hydraulic chamber 5 and the third hydraulic chamber 6 deform, the lower elastic body cannot deform greatly due to the existence of the supporting framework, and the influence on the directional flow of hydraulic oil caused by the clearance between the lower elastic body and the outer sleeve 1 is avoided.
As a specific embodiment of the two-way high damping hydraulic sub-frame bushing provided by the present invention, please refer to fig. 2, two second sealing rings 302 are disposed on the upper portion of the lower elastic main body 3, the two second sealing rings 302 are located on the upper and lower sides of the first flow channel 7, and the two second sealing rings 302 are compressed between the lower elastic main body 3 and the outer sleeve 1 for sealing the first flow channel 7; two third sealing rings 303 are arranged at the lower part of the lower elastic main body 3, the two third sealing rings 303 are positioned at the upper side and the lower side of the second flow passage 8, and the two third sealing rings 303 are compressed between the lower elastic main body 3 and the outer sleeve 1 for sealing the second flow passage 8. In this embodiment, two second sealing rings 302 are press-fitted between the lower elastic body 3 and the outer sleeve 1 and located on the upper and lower sides of the first flow channel 7, so that when the lower elastic body 3 deforms, it is ensured that the first flow channel 7 does not change in the flow direction of hydraulic oil due to deformation. Two third sealing washer 303 pressure equipment are between elastic main body 3 and outer tube 1 down, and are located the upper and lower both sides of second runner 8, can guarantee that second runner 8 can not appear the condition that the hydraulic oil flow direction changed because of warping when elastic main body 3 takes place to deform down.
The utility model also provides a car, included foretell two-way high damping hydraulic pressure sub vehicle frame bush.
The utility model provides a car compares with prior art, owing to used foretell two-way high damping hydraulic pressure sub vehicle frame bush, consequently possesses the same beneficial effect with two-way high damping hydraulic pressure sub vehicle frame bush, no longer gives unnecessary details here one by one.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The bidirectional high-damping hydraulic auxiliary frame bushing is characterized by comprising an outer sleeve, an upper elastic main body and a lower elastic main body, wherein hydraulic oil is contained in the outer sleeve, the upper elastic main body and the lower elastic main body are arranged in the outer sleeve from top to bottom, a first hydraulic chamber is formed between the upper elastic main body and the lower elastic main body, a first concave part and a second concave part are formed in the opposite side of the lower elastic main body, the first concave part and the second concave part respectively form a second hydraulic chamber and a third hydraulic chamber with the inner wall of the outer sleeve, a first flow passage used for communicating the first hydraulic chamber with the second hydraulic chamber is formed in the upper part of the lower elastic main body, and a second flow passage used for communicating the second hydraulic chamber with the third hydraulic chamber is formed in the lower part of the lower elastic main body.
2. The bi-directional high damping hydraulic subframe bushing of claim 1 wherein the upper elastomeric body defines a first annular recess in a lower end surface thereof, the lower elastomeric body defines a second annular recess in an upper end surface thereof, the first and second annular recesses being disposed in opposition to define the first hydraulic chamber, the first fluid passage communicating with the second annular recess.
3. The bi-directional high damping hydraulic subframe bushing as claimed in claim 1, wherein a stop ring is fixedly disposed at a lower end of the outer sleeve, an inner diameter of the stop ring is smaller than an inner diameter of the outer sleeve, a flange is disposed at an upper end of the outer sleeve, a plurality of bending plates are disposed at an upper end surface of the flange in a circumferential direction, the bending plates are bent in an axial direction of the outer sleeve, the upper elastic body is press-fitted onto the upper end surface of the flange by the plurality of bending plates, and the lower elastic body is compressed between the upper elastic body and the stop ring.
4. The bi-directional high damping hydraulic subframe bushing of claim 3 wherein said upper elastomeric body has a pre-embedded collar circumferentially thereon, said collar having an outer diameter greater than an outer diameter of said upper elastomeric body, said collar being press-fitted to an upper end surface of said flange by a plurality of said bent plates.
5. The bi-directional high damping hydraulic subframe bushing of claim 3 wherein said lower elastomeric body has a first seal disposed on a lower end surface thereof, said first seal being compressed between said lower elastomeric body and said retaining ring.
6. The bi-directional high damping hydraulic subframe bushing of claim 1, wherein an inner bushing is axially disposed inside the outer bushing, the upper elastic body and the lower elastic body are sleeved on the inner bushing from top to bottom, and a pressing cover is further sleeved on the upper portion of the inner bushing and is pressed on the upper end of the upper elastic body.
7. The bi-directional high damping hydraulic subframe bushing of claim 6 wherein the gland has a downwardly extending connection sleeve disposed thereon, the connection sleeve is disposed on the inner sleeve, a press-fitting groove is formed at a bottom end of the connection sleeve along a circumferential direction thereof, and an annular pressing edge is disposed on an inner ring of the upper elastic body and pressed into the press-fitting groove.
8. The bi-directional high damping hydraulic subframe bushing of claim 1 wherein a conformal backbone is embedded within said lower elastomeric body.
9. The bi-directional high damping hydraulic subframe bushing of claim 1 wherein said lower elastomeric body has two second seal rings disposed on an upper portion thereof, said two second seal rings being disposed on upper and lower sides of said first flow passage, said two second seal rings being compressed between said lower elastomeric body and said outer bushing for sealing said first flow passage; and the lower part of the lower elastic main body is provided with two third sealing rings, the two third sealing rings are positioned at the upper side and the lower side of the second flow channel, and the two third sealing rings are tightly pressed between the lower elastic main body and the outer sleeve and are used for sealing the second flow channel.
10. Automotive vehicle, characterized in that it comprises a bidirectional high damping hydraulic subframe bushing according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021271499.7U CN212338006U (en) | 2020-07-02 | 2020-07-02 | Two-way high damping hydraulic pressure sub vehicle frame bush and car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021271499.7U CN212338006U (en) | 2020-07-02 | 2020-07-02 | Two-way high damping hydraulic pressure sub vehicle frame bush and car |
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| CN212338006U true CN212338006U (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431977A (en) * | 2021-07-31 | 2021-09-24 | 江苏正泰不锈钢产业有限公司 | Metal elbow joint |
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2020
- 2020-07-02 CN CN202021271499.7U patent/CN212338006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431977A (en) * | 2021-07-31 | 2021-09-24 | 江苏正泰不锈钢产业有限公司 | Metal elbow joint |
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