CN110185735A - A kind of liquid composite bush - Google Patents
A kind of liquid composite bush Download PDFInfo
- Publication number
- CN110185735A CN110185735A CN201910414300.7A CN201910414300A CN110185735A CN 110185735 A CN110185735 A CN 110185735A CN 201910414300 A CN201910414300 A CN 201910414300A CN 110185735 A CN110185735 A CN 110185735A
- Authority
- CN
- China
- Prior art keywords
- runner
- liquid composite
- composite bush
- rubber bodies
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000004073 vulcanization Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 208000002740 Muscle Rigidity Diseases 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
- F16F2228/066—Variable stiffness
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
The present invention provides a kind of liquid composite bush, comprising: mandrel；The rubber bodies being set on the periphery of the mandrel, diametrically opposite there are two the radial protrusions that part extends in the circumferential for construction in the rubber bodies；Two axially external runner bodies for being respectively sleeved in the rubber bodies and being in the radial protrusion, are configured with the runner for hydraulic fluid on the runner external surface；And compression type is set in the housing of the radial outside of the runner body；Wherein, the rubber bodies and the runner body and the housing collectively define two for accommodating the sap cavity of hydraulic fluid, and two sap cavities are between two radial protrusions in the circumferential, and are communicated with each other by the runner.
Description
Technical field
The present invention relates to a kind of liquid composite bush for vehicle, especially rail vehicle.
Background technique
Hydraulic bushing is widely applied a kind of part in vehicle (such as automobile and rail vehicle), is mostly installed at vehicle
Suspension or bogie on, be used for buffering vibration and impact, to improve the stability and safety of vehicle driving.
Chinese patent literature CN108150536A discloses a kind of hydraulic bushing.The hydraulic bushing includes mandrel, is set in
First runner body on the outside of mandrel, and compress the housing for being set in the external side of first runner.Mandrel and first runner body it
Between gap in be filled with the first rubber bodies, constructed on the outer surface of first runner body fluted.The diameter in the first rubber bodies
To two sap cavities being relatively configured with for accommodating liquid, further groove and housing surround runner, and two sap cavities pass through runner
Connection.By the mobility between the hydraulic fluid in two sap cavities, the rigidity of adjustable hydraulic bushing, to realize raising
Vehicle driving, especially in the stability of Ackermann steer angle.
However in above-mentioned hydraulic bushing, its structure is complicated, and amount of parts is very more, and processing and manufacturing is at high cost, and pacifies
Dress is inconvenient, using seal request height.In addition, housing both ends also need seal assembly to be sealed, the at high cost of sealing is realized.
Accordingly, it is desirable to be able to which it is simple to provide a kind of structure, amount of parts can be simplified, and easy for installation, while can
Guarantee the liquid composite bush of sealing effect.
Summary of the invention
For technical problem as described above, the present invention is intended to provide a kind of new liquid composite bush, the liquid are compound
The structure of bushing can reduce the quantity of components significantly, simplify hydraulic mechanism.Meanwhile the liquid composite bush can be protected
It is demonstrate,proved with good variable rigidity property and good sealing effect.In addition, the special construction of mandrel be capable of providing it is secondary just
Degree and backstop effect radially.
For this purpose, according to the present invention, providing a kind of liquid composite bush, comprising: mandrel；It is set in the periphery of the mandrel
On rubber bodies, in the rubber bodies diametrically opposite construct there are two in the circumferential part extend radial protrusion；Two
It is respectively sleeved in the rubber bodies and is in the axially external runner body of the radial protrusion, in the runner external surface
On be configured with runner for hydraulic fluid；And compression type is set in the housing of the radial outside of the runner body；Wherein, institute
It states rubber bodies and the runner body and the housing collectively defines two for accommodating the sap cavity of hydraulic fluid, described in two
Sap cavity is between two radial protrusions in the circumferential, and is communicated with each other by the runner.
In a preferred embodiment, the runner is arranged on the outer surface of the runner body, and the runner
Both ends extend respectively at two positions diametrically on the axial end face towards the sap cavity of the runner body, from
And it is respectively formed the runner mouth being connected to the sap cavity.
In a preferred embodiment, the runner is arranged in the expansion plane of the runner body in smoothed curve,
The radius of curvature of the smoothed curve is arranged to not less than 48mm.
In a preferred embodiment, the runner is arranged along the circumferentially extending of the runner body, and the runner
The runner mouth at both ends is arranged to axially extend to be connected to the sap cavity.
In a preferred embodiment, it is equipped on the side wall of the housing for hydraulic fluid to be injected into the liquid
The liquid injection hole of chamber.
In a preferred embodiment, the mandrel structure is at the multi-diameter shaft with intermediate lands, and the rubber bodies
Pass through the intermediate lands integrated setting of vulcanization and the mandrel.
In a preferred embodiment, the diameter of the intermediate lands remains unchanged in the axial direction.
In a preferred embodiment, it is equipped between two radial protrusions in the circumferential direction of the rubber bodies
Arched part, the maximum outside diameter of the arched part are less than the outer diameter of the radial protrusion.
In a preferred embodiment, the intermediate lands are configured to make its diameter along first from axial ends to centre
It is incremented by after successively decreasing, the rubber bodies vulcanize in the peripheral surface of the intermediate lands with being adapted.
In a preferred embodiment, convex portion, the protrusion are formed in the middle part of the axial direction of the intermediate lands
Partial diameter is greater than maximum outside diameter of the intermediate lands at axial sides.
In a preferred embodiment, the angle of the peripheral surface of the two sides at the diameter turning point of the intermediate lands
It is disposed in the range of 0 ° -90 °, and crosses processing as round-corner transition at the diameter turning point of the intermediate lands.
In a preferred embodiment, the inner wall structure of the runner body with the periphery of the intermediate lands at can tie
Structure is adapted.
Compared with prior art, it is in place of advantages of the present invention:
The structure of liquid composite bush according to the present invention can reduce the quantity of components significantly, simplify hydraulic press
Structure.Meanwhile the liquid composite bush can guarantee that it, with good radial variable rigidity property, and can guarantee it with good
Good sealing performance.In addition, being capable of providing secondary radial rigidity by the arched part constructed in rubber bodies, pass through mandrel
Special construction is capable of providing secondary axial rigidity and backstop effect radially.The liquid composite bush structure is simple, installation side
Just, it is convenient for sealing and sealing effect is good, in addition, its production cost and installation maintenance is at low cost.
Detailed description of the invention
The present invention will be described below with reference to accompanying drawings.
Fig. 1 shows the structure of liquid composite bush according to an embodiment of the invention.
Fig. 2 be in Fig. 1 along A-A cross-sectional view.
Fig. 3 is the schematic diagram for eliminating housing in liquid composite bush to show the structure of sap cavity and radial protrusion.
Fig. 4 shows the structure of the runner on the runner body in liquid composite bush shown in Fig. 1.
Fig. 5 shows another structure of the runner on the runner body in liquid composite bush shown in Fig. 1
Fig. 6 shows the structure of liquid composite bush according to another embodiment of the present invention.
In this application, all attached drawings are schematical attached drawing, are merely to illustrate the principle of the present invention, and not by real
Border ratio is drawn.
Specific embodiment
The present invention is introduced below by attached drawing.It should be noted that term " axial direction " herein and " diameter
To " refer respectively in Fig. 1 both horizontally and vertically.
Fig. 1 shows the structure of liquid composite bush 100 according to an embodiment of the invention.As shown in Figure 1, hydraulic
Bushing 100 includes mandrel 110.Mandrel 110 is usually preformed member, and in the embodiment shown in fig. 1, mandrel 110 constructs
It is remained unchanged in the axial direction at the diameter of the multi-diameter shaft with intermediate lands, and intermediate lands.It the both ends of mandrel 110 for example can be with
The bogie frame of track train is connected.
According to the present invention, liquid composite bush 100 further includes rubber bodies 120.As depicted in figs. 1 and 2,120 sets of rubber bodies
It is located on the periphery of mandrel 110.In one embodiment, rubber bodies 120 pass through vulcanization and 110 integrated setting of mandrel.
The radial protrusion 121 that part extends in the circumferential there are two constructing in the middle part of the axial direction of rubber bodies 120, the two radial protrusions
121 be preferably configured to it is diametrically opposed.It is arranged the runner body 130 there are two sleeve-shaped in the radial outside of rubber bodies 120,
Two runner bodies 130 are set in axially external in rubber bodies 120 and in radial protrusion 121.It is outside in the diameter of runner body 130
Side pressure compact form is arranged with housing 140.As a result, in the radial outside of rubber bodies 120, by two radial protrusions in rubber bodies 120
121, two runner bodies 130 and housing 140 collectively define two for accommodating the sap cavity 150 of hydraulic fluid, two sap cavities
150 diametrically and are in the circumferential between two radial protrusions 121 in rubber bodies 120.According to the present invention, in runner body
The runner 131 for hydraulic fluid is configured in 130 peripheral surface, two sap cavities 150 are communicated with each other by runner 131.
In order to make it easy to understand, Fig. 3 more clearly illustrates the housing 140 in removal liquid composite bush to show sap cavity
150 and radial protrusion 121 structure schematic diagram.
In addition, being configured with the liquid injection hole 141 for injecting hydraulic fluid on housing 140.Liquid injection hole 141 is arranged in housing
140 sidewall areas in sap cavity 150.When installation, the connection corresponding with sap cavity 150 of liquid injection hole 141.In application process, sharp
Hydraulic fluid is injected to sap cavity 150 with liquid injection hole 141.After injection is completed, such as can be by plug (not shown) by liquid injection hole
141 block.
Fig. 4 shows the structure of runner body 130.As shown in figure 4, runner body 130 is configured to sleeve-shaped.Runner 131 is arranged
On the outer surface of runner body 130.Preferably, runner 131 is arranged in the expansion plane of runner body 130 in smoothed curve, and
The radius of curvature of smoothed curve is arranged to not less than 48mm.This structure setting of runner body 131 is more particularly to being conducive to play
The mobile performance of hydraulic fluid in runner advantageously ensures that the stiffness variation performance of hydraulic bushing 100.The both ends of runner 131 point
It does not extend at two on the axial end face towards sap cavity 150 of runner body 130 positions diametrically, to be respectively formed
The runner mouth 132 being connected to sap cavity 150.During installation, the respective runner mouth 132 of two runner bodies 130 is in the axial direction each other
Relatively.
In one embodiment, runner may be set to be elongated straight channel.As shown in figure 5, the setting of runner 331 is being flowed
The peripheral surface of road body 330, and along the circumferentially extending of runner body 330.The both ends of runner 331, which are respectively equipped with, to be axially extended to stream
The groove of the axial end face towards sap cavity 150 of road body 330, two grooves are in the diametrically opposite of runner body 330, and groove
As the runner mouth being connected to sap cavity 150.The runner can equally be connected to two sap cavities 150, to play flow of pressurized in runner
The mobile performance of body.
When track train resists the snakelike operation phase in straightway, wheel crosses curve in low speed to can afford high-frequency vibration
When, the wheel rim taken turns pair can recline rail, and vibration frequency is decreased obviously at this time.Under above two operating condition, the movement of wheel can be driven
Make mandrel 110 and housing 140 that relative motion occur, so that the sap cavity in front and the sap cavity in rear can respectively occur
Expansion and contraction.In this way, hydraulic fluid just can be flowed between two sap cavities 150 by runner 131, to correspondingly adjust
The radial rigidity of hydraulic bushing 100 is saved, so that train keeps stable operation.
Meanwhile rubber bodies 120 and the inner peripheral surface of runner body 130 formed it is flexible contact, provide variation position radially
It moves, to provide the effect of variation rigidity radially.In addition, being equipped with arched part 122 at the middle part of rubber bodies 120, arch upward
Part 122 is between two radial protrusions 121 in the circumferential, and the maximum outside diameter of arched part 122 is set smaller than radial direction
The outer diameter of protrusion 121.Arched part 122 is capable of providing secondary radial rigidity.
Fig. 6 shows the structure of liquid composite bush 200 according to another embodiment of the present invention.As shown in fig. 6, liquid
Composite bush 200 includes mandrel 210.Mandrel 210 is usually preformed member, and in the embodiment shown in fig. 6, mandrel 210
Be configured with the multi-diameter shaft of intermediate lands, intermediate lands be configured to make its diameter along first successively decreasing from axial ends to centre after
It is incremented by.It is formed with convex portion 211 in the axial medium position of intermediate lands, the diameter of convex portion 211 is greater than intermediate lands
Maximum gauge at axial sides, convex portion 211 are capable of providing the secondary rigidity in axial direction.The both ends of mandrel 210 are for example
It can be connected with the bogie frame of track train.
According to the present invention, it is set with being adapted in the circumferential direction of the intermediate lands of mandrel 210 with the peripheral structure of intermediate lands
There are rubber bodies 220, to make rubber bodies 220 adapt to the structure of intermediate lands and the peripheral surfaces of intermediate lands is arranged in.One
In a embodiment, rubber bodies 220 pass through vulcanization and 210 integrated setting of mandrel.In rubber bodies 220 construction there are two
The radial protrusion that part extends in circumferential direction, the two radial protrusions are preferably configured to diametrically opposed.In rubber bodies 220
Radial outside sets the runner body 230 there are two sleeve-shaped, and two runner bodies 230 are set in radial protrusion along axially spaced from each other
It is axially external.Housing 240 is arranged in the radial outside compression type of runner body 230.It is outside in the diameter of rubber bodies 220 as a result,
Side collectively defines two for accommodating by two radial protrusions, two runner bodies 230 and the housing 240 in rubber bodies 220
The sap cavity 250 of hydraulic fluid, two sap cavities 250 diametrically and are in the circumferential in two radial protrusions in rubber bodies 220
Between.According to the present invention, the runner 231 for hydraulic fluid, two sap cavities are configured in the peripheral surface of runner body 230
250 are communicated with each other by runner 231.
In the present embodiment, the diameter turning point of intermediate lands is in the axially external of the axial inner ends face of runner body 230.
The angle β of the peripheral surface of two sides at the diameter turning point of intermediate lands is disposed in the range of 0 ° -90 °.Meanwhile being
Fatigue damage at the diameter turning point of intermediate lands makees fillet mistake to improve fatigue life caused by avoiding stress from concentrating
Cross processing.Herein it should be noted that the diameter turning point of intermediate lands refers to that intermediate lands successively decrease from axial ends to middle part
Switch at incremental node.The compression of rubber bodies 220 is sealed in this way, being conducive to runner body 230, to ensure that sap cavity 250
Leakproofness.
Similarly, the liquid injection hole 241 for injecting hydraulic fluid is configured on housing 240.Liquid injection hole 241 is arranged outside
The sidewall areas in sap cavity 250 of set 240.When installation, the connection corresponding with sap cavity 250 of liquid injection hole 241.In application process,
Hydraulic fluid is injected to sap cavity 250 using liquid injection hole 241.After injection is completed, such as can be by plug (not shown) by fluid injection
Hole 241 is blocked.
As shown in fig. 6, runner body 230 is configured to substantially sleeve-shaped, the inner wall structure of runner body 230 is at can be with mandrel
210 peripheral structure is adapted, i.e. the internal diameter of runner body 230 is arranged to first pass from an axial end face to another axial end face
Successively decrease after increasing.Also, the angle α of the end face of runner body 230 contacted with rubber bodies 220 and the outer surface of runner body 230 is arranged
At in the range of 0 ° -90 °.Meanwhile fatigue damage caused by being concentrated in order to avoid stress, to improve fatigue life, stream
Make round-corner transition processing at the turning point of 230 inner surface of road body.Runner 231 is arranged on the outer surface of runner body 230.It is preferred that
Ground, runner 231 is arranged in the expansion plane of runner body 230 in smoothed curve, and the radius of curvature of smoothed curve is arranged to not
Less than 48mm.This structure setting of runner body 231 more particularly to be conducive to play runner in hydraulic fluid mobile performance, have
Conducive to the stiffness variation performance for guaranteeing hydraulic bushing 200.The both ends of runner 231 extend respectively to runner body 230 towards sap cavity
Two positions diametrically on 250 axial end face, to form the runner mouth 232 being connected to sap cavity 250.Two runners
The respective runner mouth 232 of body 230 is relative to each other in the axial direction.In a unshowned embodiment, which can also be set
It is set to elongated straight channel, elongated straight channel can equally be connected to two sap cavities 150, to play hydraulic fluid in runner
Mobile performance.
Similarly, when track train resists the snakelike operation phase in straightway, wheel is to can afford high-frequency vibration, and in low speed
When crossing curve, the wheel rim taken turns pair can recline rail, and vibration frequency is decreased obviously at this time.Under above two operating condition, the fortune of wheel
It is dynamic to drive mandrel 210 and housing 240 that relative motion occurs, so that the sap cavity in front and the sap cavity in rear can be distinguished
Expansion and contraction occur for ground.In this way, hydraulic fluid just can be flowed between two sap cavities 250 by runner 231, thus phase
Have adjusted the radial rigidity of hydraulic bushing 200 with answering, so that train keeps stable operation.
Meanwhile rubber bodies 220 and the inner peripheral surface of runner body 230 formed it is flexible contact, provide variation position radially
It moves, to provide the effect of variation rigidity radially.
Liquid composite bush according to the present invention, the structure of the liquid composite bush can reduce the number of components significantly
Amount, simplifies hydraulic mechanism, while it can be guaranteed with good radial variable rigidity property.In addition, by rubber bodies
The arched part of construction is capable of providing secondary radial rigidity, is capable of providing secondary axial rigidity and diameter by the special construction of mandrel
Upward backstop effect.The liquid composite bush structure is simple, it is easy for installation, convenient for sealing and sealing effect it is good, in addition, its
Production cost and installation maintenance are at low cost.
Finally it should be noted that the foregoing is merely the preferred embodiments of the invention, do not constitute to the present invention
Any restrictions.Although referring to foregoing embodiments, invention is explained in detail, for the technology of this field
It for personnel, can still modify to technical solution documented by previous embodiment, or to part of technical characteristic
It is equivalently replaced.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all wrap
Containing within protection scope of the present invention.
Claims (12)
1. a kind of liquid composite bush, comprising:
Mandrel (110)；
The rubber bodies (120) being set on the periphery of the mandrel, in the rubber bodies diametrically opposite construction there are two
The radial protrusion (121) that part extends in circumferential direction；
Two axially external runner bodies (130) for being respectively sleeved in the rubber bodies and being in the radial protrusion, in institute
State the runner (131) being configured on runner external surface for hydraulic fluid；And
Compression type is set in the housing (140) of the radial outside of the runner body；
Wherein, the rubber bodies and the runner body and the housing collectively define two for accommodating the liquid of hydraulic fluid
Chamber (150), two sap cavities are between two radial protrusions in the circumferential, and are communicated with each other by the runner.
2. liquid composite bush according to claim 1, which is characterized in that the outer of the runner body is arranged in the runner
On surface, and the both ends of the runner extend respectively to two on the axial end face towards the sap cavity of the runner body
At position diametrically, to be respectively formed the runner mouth being connected to the sap cavity.
3. liquid composite bush according to claim 1 or 2, which is characterized in that exhibition of the runner in the runner body
It is arranged on open plane in smoothed curve, the radius of curvature of the smoothed curve is arranged to not less than 48mm.
4. liquid composite bush according to claim 1 or 2, which is characterized in that week of the runner along the runner body
To being extended, and the runner mouth at the both ends of the runner is arranged to axially extend to be connected to the sap cavity.
5. according to claim 1 to liquid composite bush described in any one of 3, which is characterized in that in the side wall of the housing
It is equipped with the liquid injection hole (141) for hydraulic fluid to be injected into the sap cavity.
6. according to claim 1 to liquid composite bush described in any one of 3, which is characterized in that the mandrel structure is at tool
There is the multi-diameter shaft of intermediate lands, the rubber bodies pass through the intermediate lands integrated setting of vulcanization and the mandrel.
7. liquid composite bush according to claim 6, which is characterized in that the diameter of the intermediate lands is protected in the axial direction
It holds constant.
8. liquid composite bush according to claim 7, which is characterized in that be in two in the circumferential direction of the rubber bodies
Arched part (122) are equipped between the radial protrusion, the maximum outside diameter of the arched part is less than the outer of the radial protrusion
Diameter.
9. liquid composite bush according to claim 6, which is characterized in that the intermediate lands are configured to make its diameter edge
First successively decrease and be incremented by afterwards from axial ends to centre, the rubber bodies vulcanize the peripheral surface in the intermediate lands with being adapted
On.
10. liquid composite bush according to claim 9, which is characterized in that the shape in the middle part of the axial direction of the intermediate lands
At having convex portion (211), the diameter of the convex portion is greater than maximum outside diameter of the intermediate lands at axial sides.
11. liquid composite bush according to claim 10, which is characterized in that at the diameter turning point of the intermediate lands
The angles of peripheral surface of two sides be disposed in the range of 0 ° -90 °, and make at the diameter turning point of the intermediate lands
Round-corner transition processing.
12. liquid composite bush according to claim 9, which is characterized in that the inner wall structure of the runner body is at can
It is adapted with the peripheral structure of the intermediate lands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414300.7A CN110185735B (en) | 2019-05-17 | 2019-05-17 | Liquid composite lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414300.7A CN110185735B (en) | 2019-05-17 | 2019-05-17 | Liquid composite lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185735A true CN110185735A (en) | 2019-08-30 |
| CN110185735B CN110185735B (en) | 2024-07-23 |
Family
ID=67716671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414300.7A Active CN110185735B (en) | 2019-05-17 | 2019-05-17 | Liquid composite lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185735B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251409A (en) * | 2021-12-01 | 2022-03-29 | 株洲时代新材料科技股份有限公司 | Saddle-shaped rubber hydraulic composite node and assembling method thereof |
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