CN110360243A - A kind of hydraulic pressure separating bearing piston left-hand thread structure - Google Patents
A kind of hydraulic pressure separating bearing piston left-hand thread structure Download PDFInfo
- Publication number
- CN110360243A CN110360243A CN201910758568.2A CN201910758568A CN110360243A CN 110360243 A CN110360243 A CN 110360243A CN 201910758568 A CN201910758568 A CN 201910758568A CN 110360243 A CN110360243 A CN 110360243A
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- China
- Prior art keywords
- piston
- bearing
- hydraulic pressure
- fixed seat
- hand thread
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- 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.)
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
Abstract
The present invention provides a kind of hydraulic pressure separating bearing piston left-hand thread structures, belong to hydraulic pressure separating technical field of bearings.This hydraulic pressure separating bearing piston left-hand thread structure, including the pump housing and the bearing being slidably arranged on the pump housing, the bearing is internally connected with bearing fixed seat, the bottom end that the outside of the bearing fixed seat is located at bearing is provided with limit flanging along its circumferential direction, and the inner wall of bearing fixed seat offers several card slots positioned at the lower end of limit flanging, the bearing fixed seat is internally connected with piston, and the outer lateral edge of piston its circumferential direction is provided with reinforcing rib, the top that the outside of the piston is located at reinforcing rib is provided with several supporting ribs along its axial direction, and the upper end of piston is located at the side of supporting rib and is provided with several Elastic buckles.Of the invention innovative is designed into Elastic buckle on piston, realizes its assembly demand using the elasticity of plastic part, in four groups of card slots that 12 groups of Elastic buckles are fastened on bearing fixed seat, enhances engaging dynamics.
Description
Technical field
The invention belongs to release bearing technical fields, are related to a kind of hydraulic pressure separating bearing piston left-hand thread structure.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is to support mechanical rotary body, is reduced
Coefficient of friction in its motion process, and guarantee its rotating accuracy；And clutch release bearing be on automobile one it is important
Part not only will cause economic loss if the bad failure of maintenance, and dismount primary fairly cumbersome, need to consume
Take many working hours.
Vehicle clutch disengaging bearing and its unit are the important spare part of automobile, and major function is by bearing axis
To movement, combination or disconnection between automobile engine and transmission system are realized, thus make automobile balance starting, shift, parking,
And it shields to car transmissions overload.The class bearing has that self-lubricating, low vibration, clutch be steady, long service life
The features such as, it is vehicle clutch disengaging bearing optimal selection.Clutch release bearing is installed between clutch and speed changer, point
It is covered on the spigot extension of transmission drive gear bearing lid from bearing block pine, the convex shoulder of release bearing is made by return spring
Always release yoke is resisted, and retreats to rearmost position.
Vehicle clutch disengaging bearing, which generally can be divided into, is mechanically decoupled bearing and fluid pressure type release bearing.
In hydraulic pressure separating bearing, important spare part of the piston as support leather cup, mounting means is generally divided into two kinds:
One is piston is connect by bearing fixed seat with bearing, then it is integrally packed into the pump housing；The second is by piston and leather cup
It is initially charged in the pump housing after assembling, then bearing is connect with bearing fixed seat and is packed into the pump housing, will be initially charged with using air pressure
Piston is blown afloat upwards, is caught in it in buckle of bearing fixed seat.
In the two methods of hydraulic pressure separating bearing, the mode that method one generallys use flange wraps bearing fixed seat completely
Piston is covered, technology difficulty is high, and risk is high, productive temp bottom；Method two can considerably reduce technology difficulty, improve
Productive temp, but it is higher to the buckle aeroelastic requirements of bearing fixed seat, and common used material is unable to satisfy its performance requirement, and buckles
Negligible amounts, reduce the engaging dynamics of device, enhance device damage probability.
So needing to improve existing hydraulic pressure separating bearing for those skilled in the art.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of hydraulic pressure separating bearing piston is proposed
Left-hand thread structure, in order to which the buckle aeroelastic requirements for solving bearing fixed seat are higher, common used material is unable to satisfy its performance requirement, buckle
Negligible amounts reduce the problems such as engaging dynamics of device.
Object of the invention can be realized by the following technical scheme: a kind of hydraulic pressure separating bearing piston left-hand thread structure,
Including the pump housing and the bearing being slidably arranged on the pump housing, the bearing is internally connected with bearing fixed seat, and the bearing is fixed
The bottom end that the outside of seat is located at bearing is provided with limit flanging along its circumferential direction, and the inner wall of bearing fixed seat is located at limit flanging
Lower end offers several card slots, and the bearing fixed seat is internally connected with piston, and the outer lateral edge of piston its circumferential direction is provided with
Reinforcing rib, the top that the outside of the piston is located at reinforcing rib are provided with several supporting ribs, and the upper end position of piston along its axial direction
The side of supporting rib is provided with several Elastic buckles；Its circumferential direction of the outer lateral edge of the pump housing is provided with leather cup, the piston
Bottom end is connected together with leather cup, and the pump housing is internally provided with the seal chamber slid in and out for piston and bearing fixed seat.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the quantity of the card slot is four groups, is blocked described in four groups
Slot is equally spaced in the inner wall of bearing fixed seat.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the card slot is formed by way of punching press.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the quantity of the supporting rib is eight groups, described in eight groups
Supporting rib is equally distributed on the top on the outside of piston.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the quantity of the Elastic buckle is multiple groups, every two groups
At least three groups of Elastic buckles are connected between the supporting rib.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the reinforcing rib, supporting rib, Elastic buckle and work
Plug is integrally formed.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the upper end of the leather cup and the lower end of piston pass through card
Button is connected together, and leather cup is made of rubber material.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the seal chamber is slidably connected with piston, and seals
Chamber is slidably connected with bearing fixed seat.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the bottom side of the pump housing is provided with oil inlet
Seat.
In above-mentioned hydraulic pressure separating bearing in piston left-hand thread structure, the bottom of the pump housing is provided with several screw threads and connects
Connect hole.
Compared with prior art, the invention has the following advantages that the present invention is on bearing fixed seat by being arranged card slot,
Reinforcing rib, supporting rib and multiple groups Elastic buckle are set on piston, and for elastic problem, this structure innovation sets Elastic buckle
It counts on piston, realizes its assembly demand using the elasticity of plastic part；By being provided with four groups of card slots, due to four groups of card slot width
Larger, three groups of Elastic buckles can at least be engaged by ensureing when bearing fixed seat is engaged with piston in every group of card slot, therefore be worked as
12 groups of Elastic buckles can be fastened in the card slot of bearing fixed seat when piston engages with bearing fixed seat, enhance clamping force
Degree reduces the probability of device damage.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is the structural schematic diagram of bearing fixed seat of the present invention；
Fig. 3 is the structural schematic diagram of inventive piston.
In figure: 1, bearing；2, bearing fixed seat；3, flanging is limited；4, card slot；5, piston；6, reinforcing rib；7, supporting rib；
8, Elastic buckle；9, leather cup；10, the pump housing；11, seal chamber.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1-3, a kind of hydraulic pressure separating bearing piston left-hand thread structure, including the pump housing 10 and it is slidably arranged in the pump housing
Bearing 1 on 10, the bearing 1 are internally connected with bearing fixed seat 2, and the outside of the bearing fixed seat 2 is located at bearing 1
Bottom end along its circumferential direction be provided with limit flanging 3, and the inner wall of bearing fixed seat 2 be located at limit flanging 3 lower end offer it is several
Card slot 4；The bearing fixed seat 2 is internally connected with piston 5, and the outer lateral edge of piston 5 its circumferential direction is provided with reinforcing rib 6, institute
The outside for stating piston 5 is located at the top of reinforcing rib 6 and its axial direction is provided with several supporting ribs 7, and the upper end of piston 5 is located at support
The side of muscle 7 is provided with several Elastic buckles 8；The bottom side of the pump housing 10 is provided with oil inlet seat, and the bottom of the pump housing 10 is also set up
There are several threaded connection holes, its circumferential direction of the outer lateral edge of the pump housing 10 is provided with leather cup 9, and the bottom end of the piston 5 engages company with leather cup 9
It connects, and the pump housing 10 is internally provided with the seal chamber 11 slid in and out for piston 5 and bearing fixed seat 2.
As shown in Fig. 2, the quantity of card slot 4 is four groups, four groups of card slots 4 are equally spaced in the inner wall of bearing fixed seat 2, so that
8 stress of Elastic buckle more evenly, reduces the probability of device damage when bearing fixed seat 2 engages with piston 5.In the present embodiment
In, four groups of card slots 4 are formed by way of punching press.
As shown in figure 3, the quantity of supporting rib 7 is eight groups, eight groups of supporting ribs 7 are equally distributed on the top in 5 outside of piston, make
It obtains when piston 5 is docked with bearing fixed seat 2 and plays the role of positioning, reduce the difficulty of device engaging.The quantity of Elastic buckle 8
For multiple groups, three groups of Elastic buckles 8 are connected between every two groups of supporting ribs 7, the dynamics of device engaging is enhanced, ensure that piston 5
With the bonding strength of bearing fixed seat 2.In the present embodiment, piston 5, supporting rib 7, Elastic buckle 8 and reinforcing rib 6 pass through injection molding
Mode be integrally formed.
It is connected together as shown in Figure 1, the upper end of leather cup 9 and the lower end of piston 5 pass through, and leather cup 9 is by rubber material
It constitutes, enhances the leakproofness of piston 5 Yu seal chamber 11, enhance the efficiency of engaging.Seal chamber 11 is slidably connected with piston 5,
And seal chamber 11 is slidably connected with bearing fixed seat 2, so that the air in seal chamber 11 not easily passs through the outflow of leather cup 9, enhances
The leakproofness of device.
In the present embodiment, the quantity of threaded connection hole is three.
Leather cup 9: in use, leather cup 9 to be fastened on to the bottom end of piston 5, and being directed at the top of seal chamber 11 by working principle,
Piston 5 is pressed at this time, so that piston 5 and leather cup 9 are squeezed in the seal chamber 11 for being pressed into the pump housing 10；At this time by bearing 1 and bearing
Fixing seat 2 connects, and the bearing fixed seat 2 after connection is installed in seal chamber 11；Control outside air injects the pump housing at this time
In 10, air from pump body 10 is flowed into seal chamber 11, since leather cup 9 is made of rubber material, so that the air in seal chamber 11
It is not easy to flow out across leather cup 9, enhances leakproofness；With air is persistently injected in seal chamber 11, so that leather cup 9 is with piston 5
Upward sliding, until in the top set access bearing fixed seat 2 of piston 5, until the bottom end of Elastic buckle 8 and bearing fixed seat 2
Contact；As the pressure of seal chamber 11 is continuously increased, can extrusion piston 5 constantly move up, due to Elastic buckle 8 bottom end with
The reinforcing rib 6 of piston 5 is integrally formed, therefore starts deformation under the action of piston 5 and bearing fixed seat 2 squeeze, until piston 5
Elastic buckle 8 be caught in the card slot 4 of bearing fixed seat 2, since the top in the outside of piston 5 is divided by eight groups of supporting ribs 7
Eight groups of regions, and three groups of Elastic buckles 8 are evenly distributed in every group of region, since four groups of wider card slots 4 are equally distributed on axis
The inner wall of fixing seat 2 is held, therefore when piston 5 engages with bearing fixed seat 2 can ensure in every group of card slot 4 can engage at least three groups of bullets
Property buckle 8,12 groups of Elastic buckles 8 can engage bearing fixed seat 2 when piston 5 engages completely with bearing fixed seat 2, ensure that two
The bonding strength of group part.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, bearing is used more herein；2, bearing fixed seat；3, flanging is limited；4, card slot；5, piston；6, add
Strengthening tendons；7, supporting rib；8, Elastic buckle；9, leather cup；10, the pump housing；11, the terms such as seal chamber, but be not precluded and use other arts
A possibility that language.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as
Any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of hydraulic pressure separating bearing piston left-hand thread structure, including the pump housing (10) and the bearing being slidably arranged on the pump housing (10)
(1), it is characterised in that: the bearing (1) is internally connected with bearing fixed seat (2), the outside position of the bearing fixed seat (2)
Its circumferential direction is provided with limit flanging (3) in the bottom end of bearing (1), and the inner wall of bearing fixed seat (2) is located at limit flanging (3)
Lower end offer several card slots (4), the bearing fixed seat (2) is internally connected with piston (5), and the outside of piston (5)
Be provided with reinforcing rib (6) along its circumferential direction, the outside of the piston (5) be located at reinforcing rib (6) if top be provided with along its axial direction
Dry supporting rib (7), and the upper end of piston (5) is located at the side of supporting rib (7) and is provided with several Elastic buckles (8)；The pump housing
(10) outer lateral edge its circumferential direction is provided with leather cup (9), and bottom end and the leather cup (9) of the piston (5) are connected together, and the pump housing (10)
Be internally provided with the seal chamber (11) slid in and out for piston (5) and bearing fixed seat (2).
2. hydraulic pressure separating bearing according to claim 1 piston left-hand thread structure, which is characterized in that the card slot (4)
Quantity is four groups, and card slot described in four groups (4) is equally spaced in the inner wall of bearing fixed seat (2).
3. hydraulic pressure separating bearing according to claim 2 piston left-hand thread structure, which is characterized in that the card slot (4)
It is formed by way of punching press.
4. hydraulic pressure separating bearing according to claim 1 piston left-hand thread structure, which is characterized in that the supporting rib (7)
Quantity be eight groups, supporting rib described in eight groups (7) is equally distributed on the top on the outside of piston (5).
5. hydraulic pressure separating bearing according to claim 4 piston left-hand thread structure, which is characterized in that the Elastic buckle
(8) quantity is multiple groups, is connected at least three groups of Elastic buckles (8) between supporting rib (7) described in every two groups.
6. hydraulic pressure separating bearing according to claim 5 piston left-hand thread structure, which is characterized in that the reinforcing rib
(6), supporting rib (7), Elastic buckle (8) and piston (5) are integrally formed.
7. hydraulic pressure separating bearing according to claim 1 piston left-hand thread structure, which is characterized in that the leather cup (9)
Upper end and the lower end of piston (5), which pass through, to be connected together, and leather cup (9) is made of rubber material.
8. hydraulic pressure separating bearing according to claim 1 piston left-hand thread structure, which is characterized in that the seal chamber (11)
It is slidably connected with piston (5), and seal chamber (11) is slidably connected with bearing fixed seat (2).
9. hydraulic pressure separating bearing according to claim 1 piston left-hand thread structure, which is characterized in that the pump housing (10)
Bottom side be provided with oil inlet seat.
10. hydraulic pressure separating bearing according to claim 1 piston left-hand thread structure, which is characterized in that the pump housing
(10) bottom is provided with several threaded connection holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758568.2A CN110360243A (en) | 2019-08-16 | 2019-08-16 | A kind of hydraulic pressure separating bearing piston left-hand thread structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758568.2A CN110360243A (en) | 2019-08-16 | 2019-08-16 | A kind of hydraulic pressure separating bearing piston left-hand thread structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110360243A true CN110360243A (en) | 2019-10-22 |
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ID=68224677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910758568.2A Pending CN110360243A (en) | 2019-08-16 | 2019-08-16 | A kind of hydraulic pressure separating bearing piston left-hand thread structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360243A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743370A (en) * | 1995-09-14 | 1998-04-28 | Valeo | Hydraulic clutch release bearing for a motor vehicle diaphragm clutch |
| JPH11132254A (en) * | 1997-10-28 | 1999-05-18 | Nachi Fujikoshi Corp | Hydraulic clutch release device |
| CN101287924A (en) * | 2005-10-11 | 2008-10-15 | 卢克摩擦片和离合器两合公司 | Slave cylinder with annular piston having axial clearance |
| CN104641138A (en) * | 2012-08-27 | 2015-05-20 | 舍弗勒技术股份两合公司 | Piston-cylinder arrangement, in particular a slave cylinder for a hydraulic clutch actuating device |
| DE102015220819A1 (en) * | 2014-12-05 | 2016-06-09 | Schaeffler Technologies AG & Co. KG | Piston-cylinder unit |
| CN205823996U (en) * | 2016-06-22 | 2016-12-21 | 常州光洋轴承股份有限公司 | Hydraulic clutch release bearing |
| CN108138865A (en) * | 2015-10-16 | 2018-06-08 | 舍弗勒技术股份两合公司 | For manipulating the slave cylinder of the hydraulic pressure separating system of friction clutch |
| CN208203840U (en) * | 2018-05-22 | 2018-12-07 | 浙江柏瑞汽配有限公司 | A kind of corrosion resistant type release bearing |
| CN210318245U (en) * | 2019-08-16 | 2020-04-14 | 浙江柏瑞汽配有限公司 | Piston left-hand thread structure for hydraulic release bearing |
-
2019
- 2019-08-16 CN CN201910758568.2A patent/CN110360243A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743370A (en) * | 1995-09-14 | 1998-04-28 | Valeo | Hydraulic clutch release bearing for a motor vehicle diaphragm clutch |
| JPH11132254A (en) * | 1997-10-28 | 1999-05-18 | Nachi Fujikoshi Corp | Hydraulic clutch release device |
| CN101287924A (en) * | 2005-10-11 | 2008-10-15 | 卢克摩擦片和离合器两合公司 | Slave cylinder with annular piston having axial clearance |
| CN104641138A (en) * | 2012-08-27 | 2015-05-20 | 舍弗勒技术股份两合公司 | Piston-cylinder arrangement, in particular a slave cylinder for a hydraulic clutch actuating device |
| DE102015220819A1 (en) * | 2014-12-05 | 2016-06-09 | Schaeffler Technologies AG & Co. KG | Piston-cylinder unit |
| CN108138865A (en) * | 2015-10-16 | 2018-06-08 | 舍弗勒技术股份两合公司 | For manipulating the slave cylinder of the hydraulic pressure separating system of friction clutch |
| CN205823996U (en) * | 2016-06-22 | 2016-12-21 | 常州光洋轴承股份有限公司 | Hydraulic clutch release bearing |
| CN208203840U (en) * | 2018-05-22 | 2018-12-07 | 浙江柏瑞汽配有限公司 | A kind of corrosion resistant type release bearing |
| CN210318245U (en) * | 2019-08-16 | 2020-04-14 | 浙江柏瑞汽配有限公司 | Piston left-hand thread structure for hydraulic release bearing |
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