CN212616072U - Hydraulic suspension - Google Patents
Hydraulic suspension Download PDFInfo
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- CN212616072U CN212616072U CN202020882722.5U CN202020882722U CN212616072U CN 212616072 U CN212616072 U CN 212616072U CN 202020882722 U CN202020882722 U CN 202020882722U CN 212616072 U CN212616072 U CN 212616072U
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- decoupling
- main spring
- rubber main
- limiting
- shell
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Abstract
The utility model relates to a hydraulic suspension, including the shell, accept the rubber main spring in the shell, one end is connected in the rubber main spring and the other end is by the support arm that shell one side stretches out to and enclose the configuration with shell, rubber main spring and become the leather cup that has the cavity, and be equipped with in the cavity in order to separate the runner subassembly of cavity, be equipped with the decoupling zero membrane in the runner subassembly. The top of one end of the rubber main spring connected with the support arm is provided with a convex limiting structure, and the limiting structure is provided with a plurality of limiting bulges which are arranged side by side in a wavy manner. The hydraulic suspension of the utility model can effectively avoid the problems of pause and noise caused by the contact of the rubber main spring and the shell in the height direction of the vehicle by constructing the convex limit structure at the top of one end of the rubber main spring connected with the support arm; in addition, the limiting structure is formed by a plurality of limiting bulges which are arranged in parallel and in a wavy manner, so that the problems of jerking, abnormal sound and the like caused by abrupt rigidity change can be avoided.
Description
Technical Field
The utility model relates to an engine mounting technical field, in particular to hydraulic pressure suspension.
Background
The suspension (Mount) is a bidirectional vibration isolation element which is connected with and supports the power assembly and has restraining and protecting effects on movement trends. Among many types of suspensions, the hydraulic suspension is widely used by various automobile manufacturers due to its advantages of low cost and good performance. Compared with pure rubber suspension, the damping characteristic of the hydraulic suspension can greatly improve the vibration absorption capacity of the pure rubber suspension under large displacement, and simultaneously can well make up for the defect of high-frequency hardening of the pure rubber suspension.
The existing hydraulic suspensions are mainly of two types, one type is a pure inertia channel type without a decoupling membrane, and although the existing hydraulic suspensions can easily achieve high damping, the dynamic-static ratio of the hydraulic suspensions is also high. The other type of hydraulic mount is a floating type hydraulic mount, namely a certain gap exists between the decoupling film and the runner plate, and although the hydraulic mount can meet the requirement of low dynamic-static ratio, the abnormal sound problem of the hydraulic mount is obvious.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a hydraulic mount, which can effectively avoid the occurrence of abnormal sound.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a hydraulic suspension, includes the shell, accept in rubber main spring in the shell, one end connect in the rubber main spring and the other end by the support arm that shell one side stretches out, and with the shell rubber main spring encloses the configuration and becomes the leather cup that has the cavity, just be equipped with in the cavity in order to separate the runner subassembly of cavity, be equipped with the decoupling zero membrane in the runner subassembly, rubber main spring is connected with the top structure of the one end of support arm has the limit structure of evagination, limit structure has a plurality of side by side and is the spacing arch of wavy arrangement.
Furthermore, a plurality of first salient points are distributed on each limiting protrusion.
Furthermore, inclined planes are respectively formed at two ends of each limiting protrusion, and a plurality of first salient points are formed on the inclined planes.
Furthermore, the outer side surfaces of the two opposite sides of the support arm, on which the rubber main springs are respectively arranged, are of convex arc shapes, and a plurality of second salient points are distributed on the outer side surfaces of the arc shapes on the two sides.
Furthermore, one end of the support arm is connected with the rubber main spring, the other end of the rubber main spring is provided with a plurality of arc-shaped bulges arranged side by side, and a plurality of third convex points are distributed on the arc-shaped bulges.
Furthermore, the decoupling film is located in a decoupling channel constructed in the middle of the runner assembly, and reinforcing ribs arranged in parallel to the decoupling film are respectively arranged on the upper side and the lower side of the decoupling film in the decoupling channel.
Furthermore, due to the arrangement of the reinforcing ribs, a plurality of through holes are separated in the decoupling channels on the upper side and the lower side of the decoupling film, and at least the parts, corresponding to the reinforcing ribs on all sides, on the decoupling film are provided with limiting convex points which are arranged at intervals.
Furthermore, along the direction of decoupling zero membrane middle part to self length direction both ends, the decoupling zero membrane both sides highly the low setting gradually of spacing bump.
Furthermore, the limiting salient point is cylindrical, and the radius of the section of the limiting salient point is 0.3-0.5 mm.
Furthermore, because of the arrangement of the reinforcing ribs, a plurality of through holes are separated in the decoupling channel on the upper side and the lower side of the decoupling film, annular convex ribs are respectively constructed on the edges of the two side faces of the decoupling film, the surface of the reinforcing ribs corresponding to each side of the decoupling film is respectively provided with a plurality of limiting convex strips arranged at intervals, limiting convex blocks are arranged on the surface of the decoupling film between the limiting convex strips, the limiting convex blocks on each side face correspond to the through holes on the corresponding side one by one, and the limiting convex blocks can be embedded in the corresponding through holes.
Compared with the prior art, the utility model discloses following advantage has:
(1) the hydraulic suspension of the utility model can effectively avoid the problems of pause and noise caused by the contact of the rubber main spring and the shell in the vehicle height direction by constructing the convex limit structure at the top of one end of the rubber main spring connected with the support arm; in addition, the limiting structure is formed by a plurality of limiting bulges which are arranged in parallel and in a wavy manner, so that the problems of jerking, abnormal sound and the like caused by abrupt rigidity change can be avoided.
(2) Set up a plurality of first bumps on spacing arch, can effectively reduce the area of contact of spacing arch and shell to can reduce the risk of contact abnormal sound.
(3) The inclined planes are respectively formed at the two ends of the limiting bulge, so that the problems of pause and noise caused by rigidity mutation can be further avoided.
(4) The outer side surfaces of the rubber main spring, which are respectively arranged at the two opposite sides of the support arm, are designed into outward-protruding arc shapes, so that the problems of pause and noise caused by the contact of the rubber main spring and the shell in the length direction of the vehicle can be effectively avoided.
(5) The first salient point and the second salient point are both constructed to be cylindrical, so that the structure is simple, and the design and implementation are convenient.
(6) Set up the strengthening rib, be favorable to improving the structural strength of runner subassembly.
(7) Spacing bumps arranged at intervals are arranged at the positions, corresponding to the reinforcing ribs on all sides, of the decoupling film, so that the decoupling film is in contact with the reinforcing ribs on all sides through the spacing bumps, the contact area between the decoupling film and the reinforcing ribs can be effectively reduced, and noise and abnormal sound can be effectively reduced.
(8) Along decoupling zero membrane middle part to the direction at self length direction both ends, the high gradual low setting of the spacing bump of decoupling zero membrane both sides can be when big displacement is strikeed for decoupling zero membrane is the gradual change formula contact with the runner subassembly, thereby can effectively improve noise reduction effect.
(9) The decoupling film is provided with the limiting convex strips corresponding to the reinforcing ribs and can be in contact with the reinforcing ribs through the limiting convex strips, so that abnormal sound can be effectively reduced; in addition, the annular convex ribs are arranged, so that the hydraulic suspension has a good damping characteristic, and the attenuation energy under large displacement can be improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a hydraulic mount according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of the hydraulic mount according to the first embodiment of the present invention at another view angle;
fig. 3 is a schematic structural view of a rubber main spring according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of the rubber main spring according to the first embodiment of the present invention at another viewing angle;
fig. 5 is an assembly state diagram of the runner assembly and the decoupling film according to the first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a decoupling film according to a first embodiment of the present invention;
fig. 7 is an assembly state diagram of the runner assembly and the decoupling film according to the second embodiment of the present invention;
fig. 8 is a schematic structural view of a decoupling film according to the second embodiment of the present invention;
description of reference numerals:
1-a housing;
2-rubber main spring, 201-limit bulge, 2011-first salient point, 202-inclined plane, 203-second salient point and 204-third salient point;
3-a support arm;
4-flow channel assembly, 401-reinforcing rib;
5-decoupling film, 501-limit salient points, 502-limit convex strips, 503-limit lugs and 504-annular convex edges.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," "third," and the like in this embodiment are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The present embodiment relates to a hydraulic mount, as shown in fig. 1 and 2, which includes a housing 1, a main rubber spring 2 accommodated in the housing 1, a support arm 3 having one end connected to the inside of the main rubber spring 2 and the other end extending from one side of the housing 1, and a cup forming a cavity with the housing 1 and the main rubber spring 2, wherein a flow channel assembly 4 is disposed in the cavity to separate the cavity.
Wherein, rubber main spring 2 adopts low dynamic-static ratio material to make, and its concrete structure is shown in fig. 3 and fig. 4, and at first, the top that rubber main spring 2 is connected with the one end of support arm 3 constructs the limit structure that evades, so set up, can effectively avoid rubber main spring 2 and shell 1 to touch the emergence of the pause and contusion, the abnormal sound problem that causes in the vehicle direction of height. And the limit structure of this embodiment has a plurality of limit bulge 201 that are arranged side by side and are the wavy, can further avoid the sudden change of rigidity to bring and pause and hinder, abnormal sound scheduling problem.
In order to further improve the use effect, a plurality of first salient points 2011 are distributed on each limiting protrusion 201, in addition, inclined planes 202 are respectively constructed at two ends of each limiting protrusion 201, a plurality of first salient points 2011 are formed on the inclined planes 202, and by arranging the first salient points 2011, the contact area between the limiting protrusions 201 and the shell 1 can be effectively reduced, so that the risk of contact abnormal sound between the limiting protrusions 201 and the shell 1 can be reduced. The first bump 2011 of the present embodiment is specifically cylindrical, and the cross-sectional radius thereof may be specifically 1mm, and the height thereof may be 1mm to 1.5 mm. As shown in fig. 3, the first protrusions 2011 are generally only disposed on the top area of the limiting protrusion 201 and the inclined planes 202 on the two sides, and in this area, it is preferably ensured that the distribution density of the first protrusions 2011 should not be less than 0.25/mm2。
Secondly, as shown in fig. 4, the outer side surfaces of the rubber main spring 2, which are respectively arranged at two opposite sides of the support arm 3, are convex arcs, and a plurality of second salient points 203 are distributed on the outer side surfaces of the arcs at the two sides, so that the bump and abnormal sound generated by the contact between the rubber main spring 2 and the housing 1 in the length direction of the vehicle can be effectively reduced. In addition, one end of the supporting arm 3 is connected to the rubber main spring 2, the other end of the rubber main spring 2 is provided with a plurality of arc-shaped protrusions arranged side by side, and a plurality of third salient points 204 are distributed on the arc-shaped protrusions, so that jerking and abnormal sound caused by the fact that the rubber main spring 2 and the shell 1 are in contact with each other in the width direction of the vehicle can be effectively reduced. In addition, for convenience of manufacturing, the structure and distribution density of the second bump 203 and the third bump 204 of the present embodiment are the same as those of the first bump 2011.
As shown in fig. 5, the flow channel assembly 4 of this embodiment includes an upper flow channel plate and a lower flow channel plate that are connected in a snap-fit manner, and a decoupling channel is formed in the flow channel assembly 4, an inlet of the decoupling channel is located in the middle of the upper flow channel plate, and an outlet of the decoupling channel is located in the middle of the lower flow channel plate. In addition, in order to better absorb the vibration and reduce the abnormal noise, the flow channel assembly 4 of the present embodiment is specifically made of PA6/PA66+30 GF. In addition, a decoupling film 5 is arranged in the runner component 4, the decoupling film 5 is located in a decoupling channel constructed in the middle of the runner component 4, and reinforcing ribs 401 arranged in parallel to the decoupling film 5 are respectively arranged on the upper side and the lower side of the decoupling film 5 in the decoupling channel.
Still as shown in fig. 5, due to the arrangement of the reinforcing ribs, a plurality of through holes are separated in the decoupling channels on the upper and lower sides of the decoupling film 5. The specific structure of the decoupling film 5 of the present embodiment is shown in fig. 6, and a plurality of limit bumps 501 arranged at intervals are respectively configured on two sides of the decoupling film 5. And under the condition that the vehicle is shaken in large displacement, the limiting convex points 501 arranged corresponding to the parts of the reinforcing ribs 401 at all sides can be abutted with the corresponding reinforcing ribs 401, so that the noise of the vehicle can be effectively reduced. And as a preferred embodiment, the limit salient points 501 on each side surface of the decoupling film 5 are uniformly distributed. It should be noted here that the limit bumps 501 may not be uniformly arranged on the decoupling film 5, and the limit bumps 501 may be provided only at positions corresponding to the ribs 401.
In order to further improve the use effect, the limit bumps 501 of the present embodiment are further configured to be arranged along the direction from the middle of the decoupling film 5 to the two ends of the length direction of the decoupling film (i.e. along the two ends from the middle of the decoupling film 5 to the length direction of the vehicle), and the height of the limit bumps 501 on the two sides of the decoupling film 5 is gradually reduced. By the arrangement, the decoupling film 5 can be in gradual contact with the upper and lower flow channel plates during large displacement impact, so that the noise reduction effect is maximized. In addition, in order to ensure the noise reduction effect, the cross-sectional radius of the limit bump 501 is 0.3-0.5mm, and as a possible implementation manner, in this embodiment, the cross-sectional radius of the limit bump 501 is specifically 0.4 mm.
Based on the above overall description, the hydraulic mount of the present embodiment can effectively reduce the occurrence of jerk and abnormal sound by providing the limiting protrusion 201 on the top of the rubber main spring 2 and configuring the side surface thereof into an arc shape. In addition, through set up on decoupling zero membrane 5 with the spacing bump 501 with strengthening rib 401 butt, can further improve the noise reduction effect, thereby make the utility model discloses a hydraulic pressure suspension can have the excellent performance of low sound-static ratio, big damping and less noise concurrently.
Example two
The embodiment relates to a hydraulic suspension, which has a similar overall structure as the embodiment, but is different from the embodiment in that the decoupling film 5 has a different structure, and the specific structure is shown in fig. 7 and 8, and annular ribs 504 are respectively configured at the edges of two sides of the decoupling film 5, so that the decoupling film 5 has good damping characteristics and can provide damping energy under large displacement.
In addition, the surfaces of the decoupling films 5 corresponding to the reinforcing ribs 401 on each side are respectively provided with a plurality of limiting convex strips 502 arranged at intervals, the surfaces of the decoupling films 5 between the limiting convex strips 502 are provided with limiting convex blocks 503, the limiting convex blocks 503 on each side face correspond to the through holes on the corresponding side one by one and can be embedded in the corresponding through holes, and the top of each limiting convex block 503 is provided with a round angle. Thus, the limiting convex strips 502 can be abutted against the reinforcing ribs 401 in the height direction of the vehicle to buffer and reduce abnormal sound. In addition, the limiting bump 503 is embedded in the through hole, so that the limiting bump can be in contact with the reinforcing rib 401 in the length direction and the width direction of the vehicle for limiting, and meanwhile, a good flow guiding effect can be achieved.
The hydraulic mount of the embodiment adopts the rubber main spring 2 as in the first embodiment and the decoupling film 5 as described above, so that the hydraulic mount has excellent performances of low dynamic-static ratio, large damping and small noise.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hydraulic suspension, includes shell (1), accept in rubber main spring (2) in shell (1), one end connect in rubber main spring (2) and the other end by support arm (3) that shell (1) one side was stretched out, and with shell (1) rubber main spring (2) enclose the formation and become the leather cup that has the cavity, just be equipped with in the cavity in order to separate runner subassembly (4) of cavity, be equipped with decoupling zero membrane (5), its characterized in that in runner subassembly (4): the rubber main spring (2) is connected with a convex limiting structure at the top of one end of the support arm (3), and the limiting structure is provided with a plurality of limiting bulges (201) which are arranged side by side in a wavy manner.
2. The hydraulic mount of claim 1 wherein: a plurality of first salient points (2011) are distributed on each limiting protrusion (201).
3. The hydraulic mount of claim 2 wherein: inclined planes (202) are respectively formed at two ends of each limiting protrusion (201), and a plurality of first salient points (2011) are formed on the inclined planes (202).
4. The hydraulic mount of claim 1 wherein: the outer side surfaces of the two opposite sides of the support arm (3) on which the rubber main spring (2) is arranged are arc-shaped, and a plurality of second salient points (203) are distributed on the outer side surfaces of the arc-shaped sides.
5. The hydraulic mount of claim 1 wherein: one end of the support arm (3) is connected with the rubber main spring (2), a plurality of arc-shaped protrusions which are arranged side by side are arranged at the other end of the rubber main spring (2), and a plurality of third salient points (204) are distributed on the arc-shaped protrusions.
6. The hydraulic mount of any one of claims 1 through 5 wherein: the decoupling membrane (5) is located in a decoupling channel constructed in the middle of the runner assembly (4), and reinforcing ribs arranged side by side in the decoupling membrane (5) are respectively arranged on the upper side and the lower side of the decoupling membrane (5) in the decoupling channel.
7. The hydraulic mount of claim 6 wherein: due to the arrangement of the reinforcing ribs, a plurality of through holes are separated in the decoupling channel on the upper side and the lower side of the decoupling film (5), and at least the parts, corresponding to the reinforcing ribs on all sides, on the decoupling film (5) are provided with limiting convex points (501) which are arranged at intervals.
8. The hydraulic mount of claim 7 wherein: the decoupling mechanism is characterized in that the height of the limiting salient points (501) on the two sides of the decoupling film (5) is gradually reduced along the direction from the middle of the decoupling film (5) to the two ends of the length direction of the decoupling film.
9. The hydraulic mount of claim 7 wherein: the limiting salient points (501) are cylindrical, and the radius of the cross sections of the limiting salient points (501) is 0.3-0.5 mm.
10. The hydraulic mount of claim 6 wherein: because of the setting of strengthening rib, and both sides about decoupling zero membrane (5) separate a plurality of through-holes in the decoupling zero passageway, just the edge of decoupling zero membrane (5) both sides face is constructed annular bead (504) respectively, what be corresponding to each side of decoupling zero membrane (5) the surface of strengthening rib is equipped with a plurality of spacing sand grips (502) of interval arrangement respectively, in between spacing sand grip (502) decoupling zero membrane (5) are equipped with spacing lug (503) on the surface, and each side spacing lug (503) and corresponding side the through-hole one-to-one, and can inlay and locate the correspondence in the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020882722.5U CN212616072U (en) | 2020-05-22 | 2020-05-22 | Hydraulic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020882722.5U CN212616072U (en) | 2020-05-22 | 2020-05-22 | Hydraulic suspension |
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| Publication Number | Publication Date |
|---|---|
| CN212616072U true CN212616072U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020882722.5U Active CN212616072U (en) | 2020-05-22 | 2020-05-22 | Hydraulic suspension |
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| CN (1) | CN212616072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915287A (en) * | 2021-10-25 | 2022-01-11 | 建新赵氏科技有限公司 | Hydraulic suspension decoupling vibration isolation device |
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2020
- 2020-05-22 CN CN202020882722.5U patent/CN212616072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915287A (en) * | 2021-10-25 | 2022-01-11 | 建新赵氏科技有限公司 | Hydraulic suspension decoupling vibration isolation device |
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