CN207034021U - A kind of hydraulic pressure separating bearing assembly with stepped two-chamber - Google Patents
A kind of hydraulic pressure separating bearing assembly with stepped two-chamber Download PDFInfo
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- CN207034021U CN207034021U CN201720634623.3U CN201720634623U CN207034021U CN 207034021 U CN207034021 U CN 207034021U CN 201720634623 U CN201720634623 U CN 201720634623U CN 207034021 U CN207034021 U CN 207034021U
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- bearing
- stepped
- sliding sleeve
- hydraulic pressure
- chamber
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Abstract
The utility model discloses a kind of hydraulic pressure separating bearing assembly with stepped two-chamber, including bearing base, the bearing base is coaxial from inside to outside to be provided with three layers of cylindrical shape casing wall, so as to form inside and outside two the stepped hydraulic cavities for being nested and being open towards Automobile Clutch Plate Spring separation finger ends, it is connected between two hydraulic cavities by spill valve, inner sliding sleeve and outer sliding sleeve are hermetically provided with respectively in two hydraulic cavities, the inner sliding sleeve and outer sliding sleeve are respectively provided with interior release bearing and outer release bearing towards one end of Automobile Clutch Plate Spring separation finger ends, the other end inlays the Y type dynamic seals of palette hydraulic pressure cavity wall respectively, the bottom of described bearing base is plugged with the oil-feed tube assembly of connection outermost hydraulic cavities.The order of small, compact-sized, the interior exocoel of the utility model axial dimension, which is opened, makes car clutch pedal that there is suction to feel, and operation is comfortable, is easy to binding site and burble point that driver feels clutch, is easy to shift gears.
Description
Technical field
It the utility model is related to the hydraulic pressure separating field of bearings of device of motor brake operating, and in particular to one kind carries rank
The hydraulic pressure separating bearing assembly of ladder type two-chamber.
Background technology
Because traffic jam is increasingly serious, start-stop time gradually increases in vehicle traveling process, and people are to manual-gear vehicle
The handling comfort of clutch pedal, reliability requirement more and more higher.Now, clutch operating mechanism towards miniaturization,
Lightweight, it is safe and reliable, manipulate comfortable etc. develop rapidly.Clutch release bearing is also from original no aligning performance, outer
The low speed unit that circle rotation, inner ring and cylinder sleeve are integrated develops into the rotatable high property of automatic aligning, Internal and external cycle now
Energy bearing unit, significantly improves the properties of release bearing.
However, because manual gear car needs constantly to convert gear in the process of moving, how to make driver accurate
Know that clutch has been separated or combined, just seem particularly significant so as to carry out gear shift operation.It is further easypro for driving
The requirement of adaptive, clutch-pedal load-displacement and matching can be further controlled to close by the design of hydraulic pressure separating bearing
System, improve the comfortableness that clutch pedal manipulates.Because axial space is smaller between automobile engine and gearbox, so needing
Overall compact hydraulic pressure separating parts of bearings.Therefore, in view of driver-operated comfortableness, manipulation sense, installing space
Under the premise of, a kind of hydraulic pressure separating bearing with stepped two-chamber of utility model just seems very necessary.
Utility model content
The utility model provides a kind of hydraulic pressure separating bearing assembly with stepped two-chamber.The dual-chamber type hydraulic pressure separating
Bearing assembly can make driver feel separation and the knot of clutch by the change of pedal force when trampling clutch pedal
Close, so as to carry out gear shift operation.And for the demand of driver comfort, can be controlled by the design of hydraulic pressure separating bearing from
The size and matching relationship of clutch pedal force-displacement.
The utility model is realized by following technical approach：
A kind of hydraulic pressure separating bearing assembly with stepped two-chamber, it is installed on Automobile Clutch Plate Spring separation finger tip
Portion, for controlling the engagement of clutch to include the bearing base of bicavate, described bearing base is coaxial from inside to outside with separating
Be provided with three layers of cylindrical shape casing wall, be nested and be open towards Automobile Clutch Plate Spring separation finger so as to be formed inside and outside two
The stepped hydraulic cavities of end, it is connected by spill valve between two hydraulic cavities, is hermetically set respectively in two hydraulic cavities
There are the inner sliding sleeve and outer sliding sleeve of the tubular being slidably matched with hydraulic cavities, the inner sliding sleeve and outer sliding sleeve are towards automobile clutch diaphragm
One end of spring separation finger ends is respectively provided with interior release bearing and outer release bearing, and the other end is inlaid with reciprocal with sliding sleeve respectively
The Y type dynamic seals of simultaneously palette hydraulic pressure cavity wall are moved, the bottom of described bearing base is plugged with connection outermost
The oil-feed tube assembly of hydraulic cavities.
When hydraulic oil enters base, outer sliding sleeve axial movement is promoted first in outermost hydraulic cavities, it is outer so as to promote
Release bearing acts on clutch diaphragm spring separation finger small end, urges the clutch into semi-detached state；When the Y types of hydraulic pressure exocoel
When dynamic seal moves to spill valve, spill valve is opened, and now hydraulic oil enters most inner side hydraulic cavities, intracavitary overall pressure drop
Low, now interior release bearing also will act on diaphragm spring separation finger, and clutch-pedal load reduces, and driver can substantially feel
Feel that clutch will enter and be kept completely separate state.
Further, the periphery wall of described bearing base is arranged with return spring, and one end of described return spring is consolidated
It is scheduled in the reserved flange groove of bearing base periphery wall, the other end is entrapped in the groove of outer release bearing internal preset, with true
Protect in the case of clutch pedal release, outer release bearing makes outer release bearing and diaphragm in the presence of return spring pulling force
Spring separation finger small end disengages.
Further, the periphery wall of described bearing base is provided with for protecting the concertina type of the return spring dust-proof
Cover, one end of the dust cover are fixed on bearing base, and the other end is fixedly connected with outermost release bearing.
Further, described bearing base is integrally cylindrical in shape structure, and bottom is provided with base installing hole, grafting oil inlet pipe
The oil inlet of component, described three layers of cylindrical shape casing wall ecto-entad include outer casing wall, middle casing wall, interior casing wall, and then shape successively
The hydraulic cavities stepped into two, the middle casing wall bottom are provided with spill valve and connect two hydraulic cavities.
Further, described bearing base is made of heat-resisting nylon PA6T/61-GF materials are strengthened.
Further, the sliding contact surface of the inner sliding sleeve and outer sliding sleeve and cylindrical shape casing wall is provided with ring packing
Circle, prevents hydraulic oil from revealing, plays a part of secondary seal.
Further, described interior casing wall and middle casing wall are respectively arranged with annular spacing groove, the stopper slot in openend
Built with limited location snap ring, it is provided with to be engaged with the limited location snap ring on the inside of the upper end of the inner sliding sleeve and outer sliding sleeve and plays limit
The positive stop lug boss of sliding sleeve extreme position processed, avoids inner sliding sleeve and outer sliding sleeve from coming off.
Further, between the bearing inner race and bearing outer ring of the outer release bearing by bearing steel ball support and can be free
Relative rotation, the bearing inner race is fixed on outer sliding sleeve, and retainer is housed between the bearing steel ball, described
Bearing sealed ring and dust ring are additionally provided between bearing inner race and bearing outer ring.
Further, the outer sliding sleeve periphery wall sets annular installation base, described installation base and outer release bearing
The disk spring of automatic centering when making outer release bearing rotation is provided between end, primarily serves the effect of automatic centering, is prevented
It is only eccentric during bearing movable.
Further, described oil-feed tube assembly includes the oil inlet pipe, vent valve, protection plugged with the bearing base
Cover, the connection-peg of described oil inlet pipe are provided with O-ring seal and the first jump ring for positioning；Described vent valve passes through
Two jump rings are fixedly connected on oil inlet pipe；Described protective cover is fixedly connected on oil inlet pipe by the second jump ring, the protection
Sealed between cover and oil inlet pipe with sealing ring.After air inlet in hydraulic system, because the compressibility of air is big, it can make
Slack of pedal increase.Therefore, can be by extracting air present in vent valve releasing system.Protective cover primarily serves protection
Hydraulic circuit and the effect for excluding unnecessary fluid.
It is compared with prior art, provided by the utility model small with stepped bicavate hydraulic pressure separating bearing axial dimension,
Compact-sized, the order of interior exocoel, which is opened, makes car clutch pedal that there is suction to feel, and is easy to the knot that driver feels clutch
Chalaza, burble point, it is easy to shift gears.The size and matching that the force-displacement curve of car clutch pedal can preferably be controlled are closed
System, more comfortable driving experience is provided for car steering.
Brief description of the drawings
Fig. 1 is the hydraulic pressure separating bearing assembly sectional view with stepped two-chamber of the utility model embodiment.
Fig. 2 is the surveys view such as just of the base with stepped two-chamber of the utility model embodiment.
Fig. 3 is the base sectional view with stepped two-chamber of the utility model embodiment.
Fig. 4 is the oil inlet pipe assemble cross-section of the utility model embodiment.
Fig. 5 is that the small Y types dynamic seal of the utility model embodiment installs amplification view.
Fig. 6 is that the outer release bearing of the utility model embodiment installs amplification view.
The pedal force-displacement curve schematic diagram of Fig. 7 bicavate hydraulic pressure separating bearings and single-chamber type hydraulic pressure separating bearing.
Label declaration in figure：1 vehicle hydraulic pressure release bearing；2 bearing bases；201 oil inlets；202 base installing holes；203
Spill valve；204 outer casing walls；Casing wall in 205；Casing wall in 206；207 stopper slots；3 oil-feed tube assemblies；301 O-ring seals；302
First jump ring；303 vent valves；304 second jump rings；305- sealing rings；306 protection caps；4 small Y types dynamic seals；401 sealings
Lip；402 rubber sealing ring bodies；403 rubber sealing ring fixed blocks；5 big Y types dynamic seals；6 outer sliding sleeves；7 inner sliding sleeves；8
Outer release bearing；801 bearing inner races；802 bearing sealed rings；803 bearing steel balls；804 retainers；805 bearing outer rings；
806 dust rings；807 disk springs；Release bearing in 9；10 dust covers；11 return springs；12 outer wall static sealing circles；13 inwalls
Static sealing circle；14 limited location snap rings.
Embodiment
In order that this area researcher is further understood that the utility model and correlation technique content, below in conjunction with the accompanying drawings
The utility model is described further.
As shown in figure 1, a kind of hydraulic pressure separating bearing assembly with stepped two-chamber, is installed on automobile clutch diaphragm bullet
Spring separates finger ends, for controlling the engagement of clutch to include the bearing base 2 of bicavate, described bearing base 2 with separating
It is coaxial from inside to outside to be provided with three layers of cylindrical shape casing wall, it is nested and is open towards automobile clutch film so as to is formed inside and outside two
Flat spring separates the stepped hydraulic cavities of finger ends, is connected between two hydraulic cavities by spill valve 203, in two hydraulic cavities
The inner sliding sleeve 7 and outer sliding sleeve 6 of the tubular being slidably matched with hydraulic cavities, the inner sliding sleeve 7 and outer sliding sleeve 6 are hermetically provided with respectively
Interior release bearing 9 and outer release bearing 8, the other end are respectively provided with towards one end of Automobile Clutch Plate Spring separation finger ends
It is inlaid with respectively and moves back and forth the simultaneously big Y types dynamic seal 5 of palette hydraulic pressure cavity wall and small Y types dynamic sealing with sliding sleeve
Circle 4, the bottom of described bearing base 2 are plugged with the oil-feed tube assembly 3 of connection outermost hydraulic cavities.
When driver's let slip the clutch, hydraulic oil enters bearing base 2 from oil-feed tube assembly 3, with hydraulic oil
Into Ax-Ax is moved outer sliding sleeve 6 vertically under the pressure of hydraulic oil, and promotes outer release bearing 8 to act on clutch diaphragm
Spring separation finger small end, urges the clutch into semi-detached state；When connection outer sliding sleeve 6 small Y types dynamic seal move to it is excessive
During fuel tap 203, spill valve 203 is opened, and now hydraulic oil enters most inner side hydraulic cavities, effect of the inner sliding sleeve 7 in hydraulic oil
Under also moved along axis Ax-Ax rapidly, and drive in release bearing 9 act on clutch diaphragm spring separation finger small end.Due to
Most the unlatching of inner side hydraulic cavities, interior release bearing 9 and outer release bearing 8 act on simultaneously, make the oil pressure of hydraulic system reduce rapidly,
So that clutch-pedal load also declines accordingly.Driver's subjective sensation pedal becomes light, and now clutch will separate,
Driver is ready for gear shift operation.Intracavitary overall pressure reduces, and now interior release bearing also will act on diaphragm spring separation
On finger, clutch-pedal load reduces, and driver can be clearly felt that clutch will enter and be kept completely separate state.
The periphery wall of described bearing base 2 is arranged with return spring 11, and one end of described return spring 11 is fixed on
In the reserved flange groove of the periphery wall of bearing base 2, the other end is entrapped in the groove of the outer internal preset of release bearing 8, to ensure
In the case of clutch pedal release, outer release bearing makes outer release bearing and diaphragm in the presence of the pulling force of return spring 11
Spring separation finger small end disengages.The periphery wall of described bearing base 2 is provided with for protecting the flexible of the return spring 11
Type dust cover 10, one end of the dust cover 10 are fixed on bearing base 2, and the other end is fixed with outermost release bearing to be connected
Connect.Dust cover 10 can be flexible with the reciprocating motion of outer release bearing 8, plays dustproof effect.
As shown in Figures 2 and 3, described bearing base 2 is overall is cylindrical in shape structure, using reinforcing heat-resisting nylon PA6T/61-
GF materials are made, and bottom is provided with three base installing holes 202, the oil inlet 201 of grafting oil-feed tube assembly 3, described three layers
Cylindrical shape casing wall ecto-entad includes outer casing wall 204, middle casing wall 205, interior casing wall 206 successively, so formed two it is stepped
Hydraulic cavities, the middle bottom of casing wall 205 are provided with spill valve 203 and connect two hydraulic cavities.
The sliding contact surface of the inner sliding sleeve 7 and outer sliding sleeve 6 and cylindrical shape casing wall is provided with O-ring seal, including outer
Wall static sealing circle 12, inwall static sealing circle 13, it is made, is prevented of " EPDM " material that will not be reacted with brake fluid
Only hydraulic oil is revealed, and plays a part of secondary seal, and during the oil return of inner chamber, outer wall static sealing circle 12 and inwall are static
Sealing ring 13 is also helped hydraulic oil seal, so as to smoothly make the hydraulic oil of inner chamber be moved again through too small Y types from oil overflow hole 203
State sealing ring side wall flows back.
Described interior casing wall 206 and middle casing wall 205 is respectively arranged with annular spacing groove 207, the stopper slot in openend
207 are provided with and the phase of limited location snap ring 14 built with limited location snap ring 14, the upper end inner side of the inner sliding sleeve 7 and outer sliding sleeve 6
Coordinate the positive stop lug boss for playing limitation sliding sleeve extreme position, when inner sliding sleeve 7 and outer sliding sleeve 6 transport to extreme position, be embedded in
The limited location snap ring 14 of casing wall and middle casing wall will block inner sliding sleeve 7 and outer sliding sleeve 6, so as to play position-limiting action, avoid inner sliding sleeve 7
Come off with outer sliding sleeve 6.
As shown in figure 4, described oil-feed tube assembly 3 includes oil inlet pipe, the vent valve plugged with the bearing base 2
303rd, protective cover 306, the connection-peg of described oil inlet pipe are provided with O-ring seal 301 and the first jump ring 302 for positioning；
Described vent valve 303 is fixedly connected on oil inlet pipe by the second jump ring 304,；Described protective cover 306 passes through the second jump ring
304 are fixedly connected on oil inlet pipe, are sealed between the protective cover 306 and oil inlet pipe with sealing ring 305.When in hydraulic system
After air inlet, because the compressibility of air is big, slack of pedal can be increased.Therefore, can be by extracting vent valve 303
Air present in releasing system.Protective cover 306 primarily serves protection hydraulic circuit and excludes the effect of unnecessary fluid.
Amplification view is installed for small Y types dynamic seal 4 as shown in Figure 5.Described small Y types dynamic seal 4 is led
Will include sealing lip film 401, rubber sealing ring body 402, rubber sealing ring fixed block 403, big Y types dynamic seal 5 and its
Construct essentially identical.Rubber sealing ring fixed block 403 is pressed into the groove of outer sliding sleeve 6 at low temperature first during installation, so as to
It is fixed in sliding sleeve end.When hydraulic oil enters hydraulic cavities, two blade is made to the pressure of y-type seal ring by two
The tension force of side casing wall so that its be bonded with the outer casing wall 204 and middle casing wall 205 of base 2 it is even closer.Also, in sealing ring
It is stained with sealing lip film 401 on two blades, sealing lip film 401 is formed using flexible wear-resisting resin material refining, and it is along Y types
Two mounted blades of sealing ring, and both sides casing wall is affixed to, one-way sealing effect is good in the presence of hydraulic pressure.In hydraulic cavities oil return
During, because suffered hydraulic coupling deviates from casing wall, therefore inner chamber fluid can be made smoothly to be flowed back along side wall by spill valve 203.
As shown in fig. 6, by bearing steel ball 803 between the bearing inner race 801 and bearing outer ring 805 of the outer release bearing 8
Support and can freely relatively rotate, the bearing inner race 801 is fixed on outer sliding sleeve 6, is filled between the bearing steel ball 803
There is retainer 804, the bearing inner race 801 has inner ring installation portion, and described bearing outer ring 805 is provided with outer ring installation portion,
Described inner ring installation portion is extended towards installation base in sliding sleeve, and described outer ring installation portion extends towards installation base outside casing wall
Set, described outer installation portion and inner ring installation portion offsets with sliding sleeve installation base.Described bearing inner race 801 and bearing outer ring
Bearing sealed ring 802 and dust ring 806 are additionally provided between 805.Clutch diaphragm spring separation is compressed in hydraulic pressure separating bearing
During finger, bearing outer ring 805 rotates with the superhigh speed of separation finger one, and bearing inner race 801 then plays a supportive role, will not rotated.It is described outer
The periphery wall of sliding sleeve 6 sets annular installation base, and being provided between described installation base and the end of outer release bearing 8 makes outer separation
The disk spring 807 of automatic centering, primarily serves the effect of automatic centering when bearing 8 rotates, eccentric when preventing bearing movable.
Accompanying drawing 7 show hydraulic pressure separating bearing assembly with stepped two-chamber and traditional single-chamber type described in the present embodiment
The pedal force-displacement curve schematic diagram of hydraulic pressure separating bearing.This schematic diagram is increase contrast effect, it is assumed that dual-chamber type hydraulic pressure separating
The exocoel of bearing is identical with the hydraulic cavities sectional area size of common single-chamber type hydraulic pressure separating bearing.As seen from the figure in dual-chamber type hydraulic pressure
When the inner chamber of release bearing is not yet turned on, the pedal force-displacement curve of dual-chamber type and common single-chamber type hydraulic pressure separating bearing overlaps,
All it is that this is non-linear mainly due to clutch diaphragm spring power-displacement with the increase of pedal travel rather than linearly increasing
Caused by characteristic.But when the hydraulic pressure separating bearing cavity with stepped two-chamber is opened, it can be seen that driver can be clear
Feel that pedal force is reducing, pedal manipulates comfortable with obvious " suction sense ".If this pedal travel point design with
Clutch separation point and binding site are close, so that it may so that driver be apparent from when clutch separation or combination, from
And carry out gear shift operation.And the hydraulic pressure separating bearing pedal force with stepped two-chamber is smaller, can easily make clutch
Pedal maximal force is maintained between 90N-105N, is increased the comfortableness of pedal and is manipulated and feel, reduces traffic congestion and pedal sinks
The sense of fatigue that heave hand comes.
The preferable embodiment of the utility model is the foregoing is only, and is not used to limit to the scope of the utility model.Cause
This, every equivalent structure transformation made with the utility model specification and accompanying drawing content, it is new to be similarly included in this practicality
In the range of type.
Claims (10)
1. a kind of hydraulic pressure separating bearing assembly with stepped two-chamber, it is installed on Automobile Clutch Plate Spring separation finger tip
Portion, for controlling the engagement of clutch with separating, it is characterised in that：Bearing base (2) including bicavate, described bearing bottom
Seat (2) is coaxial from inside to outside to be provided with three layers of cylindrical shape casing wall, so as to formed inside and outside two be nested and be open towards automobile from
Clutch diaphragm spring separates the stepped hydraulic cavities of finger ends, is connected between two hydraulic cavities by spill valve (203), two
The inner sliding sleeve (7) and outer sliding sleeve (6) of the tubular being slidably matched with hydraulic cavities, the interior cunning are hermetically provided with hydraulic cavities respectively
Set (7) and outer sliding sleeve (6) towards Automobile Clutch Plate Spring separate finger ends one end be respectively provided with interior release bearing (9) and
Outer release bearing (8), the other end are inlaid with the Y type dynamic sealings that simultaneously palette hydraulic pressure cavity wall is moved back and forth with sliding sleeve respectively
Circle, the bottom of described bearing base (2) are plugged with the oil-feed tube assembly (3) of connection outermost hydraulic cavities.
2. the hydraulic pressure separating bearing assembly according to claim 1 with stepped two-chamber, it is characterised in that：Described axle
The periphery wall for holding base (2) is arranged with return spring (11), and one end of described return spring (11) is fixed on bearing base (2)
In the reserved flange groove of periphery wall, the other end is entrapped in the groove of outer release bearing (8) internal preset.
3. the hydraulic pressure separating bearing assembly according to claim 2 with stepped two-chamber, it is characterised in that：Described axle
The periphery wall for holding base (2) is provided with the Telescopic dust protector (10) for being used for protecting the return spring (11), the dust cover
(10) one end is fixed on bearing base (2), and the other end is fixedly connected with outermost release bearing.
4. the hydraulic pressure separating bearing assembly according to claim 1 with stepped two-chamber, it is characterised in that：Described axle
Hold base (2) and be integrally cylindrical in shape structure, bottom is provided with base installing hole (202), the oil inlet of grafting oil-feed tube assembly (3)
(201), three layers of described cylindrical shape casing wall ecto-entad include outer casing wall (204), middle casing wall (205), interior casing wall successively
(206), and then two stepped hydraulic cavities are formed, middle casing wall (205) bottom is provided with spill valve (203) and connects two liquid
Press chamber.
5. the hydraulic pressure separating bearing assembly according to claim 1 with stepped two-chamber, it is characterised in that：Described axle
Hold base (2) and be made of heat-resisting nylon PA6T/61-GF materials are strengthened.
6. the hydraulic pressure separating bearing assembly according to claim 1 with stepped two-chamber, it is characterised in that：The interior cunning
The sliding contact surface of set (7) and outer sliding sleeve (6) and cylindrical shape casing wall is provided with O-ring seal.
7. the hydraulic pressure separating bearing assembly according to claim 4 with stepped two-chamber, it is characterised in that：Described is interior
Casing wall (206) and middle casing wall (205) are respectively arranged with annular spacing groove (207) in openend, and the stopper slot (207) is built-in
It is provided with and the limited location snap ring (14) phase on the inside of the upper end of limited location snap ring (14), the inner sliding sleeve (7) and outer sliding sleeve (6)
Coordinate the positive stop lug boss for playing limitation sliding sleeve extreme position.
8. the hydraulic pressure separating bearing assembly according to claim 1 with stepped two-chamber, it is characterised in that：Described outer point
Hold off axis between the bearing inner race (801) of (8) and bearing outer ring (805) by bearing steel ball (803) support and can be freely relative
Rotate, the bearing inner race (801) is fixed on outer sliding sleeve (6), and retainer is housed between the bearing steel ball (803)
(804) bearing sealed ring (802) and dust ring, are additionally provided between described bearing inner race (801) and bearing outer ring (805)
(806)。
9. the hydraulic pressure separating bearing assembly according to claim 8 with stepped two-chamber, it is characterised in that：The outer cunning
Cover (6) periphery wall and annular installation base is set, being provided between described installation base and outer release bearing (8) end makes outer point
The disk spring (807) of automatic centering when (8) rotate is held off axis.
10. the hydraulic pressure separating bearing assembly according to claim 1 with stepped two-chamber, it is characterised in that：Described
Oil-feed tube assembly (3) includes oil inlet pipe, vent valve (303), the protective cover (306) plugged with the bearing base (2), described
The connection-peg of oil inlet pipe be provided with O-ring seal (301) and the first jump ring (302) for positioning；Described vent valve
(303) it is fixedly connected on by the second jump ring (304) on oil inlet pipe；Described protective cover (306) is solid by the second jump ring (304)
Surely it is connected on oil inlet pipe, the protective cover (306) is sealed between oil inlet pipe with sealing ring (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720634623.3U CN207034021U (en) | 2017-06-02 | 2017-06-02 | A kind of hydraulic pressure separating bearing assembly with stepped two-chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720634623.3U CN207034021U (en) | 2017-06-02 | 2017-06-02 | A kind of hydraulic pressure separating bearing assembly with stepped two-chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034021U true CN207034021U (en) | 2018-02-23 |
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ID=61469661
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720634623.3U Expired - Fee Related CN207034021U (en) | 2017-06-02 | 2017-06-02 | A kind of hydraulic pressure separating bearing assembly with stepped two-chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191505A (en) * | 2017-06-02 | 2017-09-22 | 华南理工大学 | A kind of hydraulic pressure separating bearing assembly with stepped two-chamber |
-
2017
- 2017-06-02 CN CN201720634623.3U patent/CN207034021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191505A (en) * | 2017-06-02 | 2017-09-22 | 华南理工大学 | A kind of hydraulic pressure separating bearing assembly with stepped two-chamber |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180223 Termination date: 20190602 |