CN106090106B - The new type vibration isolator of connecting rod eccentric wear can effectively be avoided - Google Patents
The new type vibration isolator of connecting rod eccentric wear can effectively be avoided Download PDFInfo
- Publication number
- CN106090106B CN106090106B CN201610644025.4A CN201610644025A CN106090106B CN 106090106 B CN106090106 B CN 106090106B CN 201610644025 A CN201610644025 A CN 201610644025A CN 106090106 B CN106090106 B CN 106090106B
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- CN
- China
- Prior art keywords
- connecting rod
- inner cylinder
- cylinder tube
- screw thread
- shock absorber
- 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.)
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Classifications
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- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
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- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/366—Special sealings, including sealings or guides for piston-rods functioning as guide only, e.g. bushings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention proposes a kind of new type vibration isolator that can effectively avoid connecting rod eccentric wear, the problem of which solving the easy eccentric wear of connecting rod when existing shock absorber uses, it includes the connecting rod through shock absorber inner cylinder tube, and guider, restore buffer stopper, it is semicircular screw thread to process at least two sections upwards from lower end in rod surface, inner cylinder tube is made up of the upper inner cylinder tube connected by round nut and lower inner cylinder tube, the screw thread of round nut is engaged with the screw thread on connecting rod, a deep 3mm is opened up respectively on two end faces of round nut, the width groove equal with inner cylinder tube wall thickness, groove matches to merge with inner cylinder tube can keep sealing.The present invention effectively prevent connecting rod and the phenomenon of eccentric wear occurs, slow down the abrasion to connecting rod, so as to extend the life-span of shock absorber.
Description
Technical field
The present invention relates to vehicle shock absorber, and in particular to a kind of new type vibration isolator that can effectively avoid connecting rod eccentric wear.
Background technology
Concussion when shock absorber is mainly used to suppress to rebound after spring shock-absorbing and impact from road surface.By not level road
During face, although shock-absorbing spring can filter the vibrations on road surface, spring itself also has a reciprocating motion, and shock absorber be exactly for
Suppress this spring jump.
Widely used hydraulic shock absorber in automobile suspension system.Its principle is, when vehicle frame and vehicle bridge do reciprocal relative movement,
When piston compresses motion in the cylinder barrel of shock absorber, piston moves downward, and the fluid in working cylinder passes through stream under pressure
Port valve and compression valve enter in working cylinder epicoele and fuel tank, and during restoring movement, piston upwards, fluid is respectively from working cylinder
Recovered valve and recuperation valve enter working cylinder cavity of resorption in epicoele and fuel tank, so repeatedly make hole of the fluid by each valve port
Clearance flow enters another chamber, and now, the friction of liquid and inwall and the interior friction of fluid molecule just form the damping force to vibration, make car
The vibrational energy of body and vehicle frame is converted into heat energy, and is absorbed by fluid and shock absorber casing, is then scattered in air.
At present, in known double-cylinder type hydraulic buffer, connecting rod is deflector portion, inner cylinder tube and bottom valve part this three
In the seal operation cylinder being grouped, lower end is connected with piston unit, and middle part installation support ring and recovery buffer stopper, top, which is run through, leads
To device part.In the course of work, connecting rod guider guide effect lower band piston in inner cylinder tube（Working cylinder）Inside do and compress
With the linear reciprocating motion of recovery；Connecting rod mainly occurs to rub and be present in each stroke with the pilot bushing of deflector portion
In, and the installation site of Engine Damper determines that damper linking member does non-perpendicular motion, has certain side force, so
Mechanicalness eccentric wear is just exacerbated, the connecting rod of shock absorber is worn and accelerates.
The content of the invention
In order to overcome the eccentric wear phenomenon occurred during shock absorber use, the technical problems to be solved by the invention are designs
A kind of new type vibration isolator that can effectively avoid connecting rod eccentric wear, it can overcome connecting rod eccentric wear phenomenon using the shock absorber, extend vibration damping
The service life of device.
The technical solution used in the present invention is：It is a kind of effectively to avoid the new type vibration isolator of connecting rod eccentric wear, including subtract
Shake the inner cylinder tube of device, through the connecting rod of inner cylinder tube, and guider, restores buffer stopper, upward from lower end in the rod surface
It is semicircular screw thread to process at least two sections, and the lead angle of screw thread, which must arrive greatly, can not occur connecting rod locking phenomenon；Institute
Inner cylinder tube is stated to be made up of the upper inner cylinder tube connected by round nut and lower inner cylinder tube；Spiral shell on the screw thread and connecting rod of round nut
Line is engaged, and the external diameter of round nut is more than 3~5mm of external diameter of inner cylinder tube, is opened up respectively on two end faces of round nut
One deep 3mm, the width groove equal with inner cylinder tube wall thickness, groove matches to merge with inner cylinder tube can keep sealing.
Row is rotated under threaded function during the link linear motion, when shock absorber reaches range, screw thread is not
Into in guider, restore buffer stopper and contacted with round nut lower surface；When shock absorber reaches minimum stroke, the effective portion of screw thread
Peak is divided to be not less than the upper surface of round nut.
The shock absorber is connected with car body by connector, bearing, protective cover.
The present invention is using the new type vibration isolator that can effectively avoid connecting rod eccentric wear designed by above-mentioned technical proposal, by right
The improvement of existing connecting rod, two lines or two lines are processed upwards using upper section as semicircular multi start thread from lower end in rod surface,
The lead angle of screw thread must be sufficiently large and locking phenomenon can not occurs, the round nut of inner cylinder tube and lower inner cylinder tube in connection
Screw thread is engaged with the screw thread on connecting rod, and the groove that two end faces of nut are respectively opened matches to merge with inner cylinder tube can keep sealing, can
Effectively to prevent connecting rod from eccentric wear phenomenon occur, slow down the abrasion to connecting rod, so as to extend the life-span of shock absorber.
Brief description of the drawings
Fig. 1 represents the structural representation of connecting rod position during normal work of the present invention；
Fig. 2 represents connecting rod position structural representation when shock absorber reaches minimum stroke；
Fig. 3 represents connecting rod position structural representation when shock absorber reaches range；
Fig. 4 represents shock absorber and the structure schematic cross-sectional view of car body coupling part；
Fig. 5 represents the structural representation of connecting rod；
Fig. 6 represents the mplifying structure schematic diagram of connecting rod lower end；
Fig. 7 is the schematic cross-section of connecting rod threaded section；
Fig. 8 is the structural representation of round nut；
Fig. 9 represents the schematic diagram in A-A directions in Fig. 8.
Embodiment
The structure of the new type vibration isolator of connecting rod eccentric wear can be effectively avoided to illustrate to this explanation below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 9, the present invention can effectively avoid the new type vibration isolator of connecting rod eccentric wear, include the inner casing of shock absorber
Cylinder（Working cylinder）, through the connecting rod 2 of inner cylinder tube, and guider 6, support ring and restore buffer stopper 8, the surface of connecting rod 2 from
Processing at least two sections are semicircular screw thread 13 upwards for lower end, and the lead angle of screw thread 13 must be sufficiently large and can not occurred
Locking phenomenon.Inner cylinder tube is made up of the upper inner cylinder tube 3 connected by round nut 7 and lower inner cylinder tube 4, the screw thread of round nut 7
It is engaged with the screw thread 13 on connecting rod 2, the external diameter of round nut 7 is more than inner cylinder tube 3~5mm of external diameter, at two of round nut 7
A deep 3mm, the width groove equal with inner cylinder tube wall thickness are opened up on end face respectively（Do not show in figure）, groove and inner cylinder tube match
Merging can keep sealing.The shock absorber of the present invention and the coupling part 1 of car body are by connector 10, bearing 11, protective cover 12
It is attached, bearing 11, which need to be selected, can bear the bearing that axial load and can bears radial load.Connecting rod 2 of the present invention is straight
The rotation of lower link 2 is acted on when line moves in screw thread 13 to carry out, when shock absorber reaches range, screw thread 13 does not enter guider
In 6, restore buffer stopper 8 and contacted with the lower surface of round nut 7.When shock absorber reaches minimum stroke, the live part of screw thread 13 is most
High point is not less than the upper surface of round nut 7.
During assembling of the invention, connecting rod 2 presses screw thread with round nut 7 and coordinates assembling, and support ring and recovery buffer stopper 8 are arranged on
On connecting rod 2 at institute's recessing, piston portion 5 is fixedly mounted on the lower end of connecting rod 2 by nut, and upper inner cylinder tube 3, lower inner cylinder tube 4 divide
Be not fitted close with round nut 7 and fix round nut 7, bottom valve part 9 and lower inner cylinder tube 4, which coordinate, to be assembled, guider 6 with it is upper
Inner cylinder tube 3 coordinates assembling.In shock absorber and car body coupling part 1, connecting rod 2 and bearing 11 are fitted close, and protective cover 12 is with being connected
Part 10 is connected by nut and bearing 11 is fixed on into position shown in Fig. 4.
When shock absorber works, connecting rod 2 does straight reciprocating motion in working cylinder, while is done in the presence of round nut 7
Rotary motion.In the motion process of connecting rod 2, in compression travel, when the lower surface of connecting rod 2 contacts with bottom valve, i.e. compression reaches maximum
It is worth, the peak of the live part of screw thread 13 is not less than the upper surface of round nut 7 on connecting rod 2；In stretching travel, buffering is restored
When block 8 contacts with the lower surface of round nut 7, i.e., when stretching reaches range, the screw thread 13 on connecting rod 2 does not enter guider 6
It is interior.
As it will be easily appreciated by one skilled in the art that the preferable case study on implementation of the present invention is the foregoing is only, not limiting
The system present invention, made all any modification, equivalent and improvement, should be included within the spirit and principles of the invention
Within protection scope of the present invention.
Claims (3)
1. a kind of new type vibration isolator that can effectively avoid connecting rod eccentric wear, include the inner cylinder tube of shock absorber, through the company of inner cylinder tube
Bar, and guider, recovery buffer stopper, it is semicircular spiral shell to process at least two sections upwards from lower end in the rod surface
Line, the lead angle of screw thread, which must arrive greatly, can not occur connecting rod locking phenomenon；The inner cylinder tube by round nut by being connected
Upper inner cylinder tube and lower inner cylinder tube composition；The screw thread of round nut is engaged with the screw thread on connecting rod, and the external diameter of round nut is more than
3~5mm of external diameter of inner cylinder tube, open up a deep 3mm, width and inner cylinder tube wall thickness phase respectively on two end faces of round nut
Deng groove, groove and inner cylinder tube, which match to merge, can keep sealing.
2. the new type vibration isolator according to claim 1 that can effectively avoid connecting rod eccentric wear, it is characterized in that the connecting rod is straight
Line is rotated into row when moving under threaded function, and when shock absorber reaches range, screw thread does not enter in guider, restores slow
Block is rushed to contact with round nut lower surface；When shock absorber reaches minimum stroke, screw thread live part peak is not less than circle
The upper surface of nut.
3. the new type vibration isolator according to claim 1 that can effectively avoid connecting rod eccentric wear, it is characterized in that the shock absorber
It is connected with car body by connector, bearing, protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644025.4A CN106090106B (en) | 2016-08-09 | 2016-08-09 | The new type vibration isolator of connecting rod eccentric wear can effectively be avoided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644025.4A CN106090106B (en) | 2016-08-09 | 2016-08-09 | The new type vibration isolator of connecting rod eccentric wear can effectively be avoided |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090106A CN106090106A (en) | 2016-11-09 |
| CN106090106B true CN106090106B (en) | 2018-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610644025.4A Active CN106090106B (en) | 2016-08-09 | 2016-08-09 | The new type vibration isolator of connecting rod eccentric wear can effectively be avoided |
Country Status (1)
| Country | Link |
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| CN (1) | CN106090106B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983113B (en) * | 2021-11-17 | 2023-02-24 | 长沙理工大学 | Shock absorber for floating slab track bed |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683928Y (en) * | 2004-02-11 | 2005-03-09 | 蔺占民 | Screw type buffer |
| CN201238237Y (en) * | 2008-04-22 | 2009-05-13 | 昆明理工大学 | Screw type vibration-damping generator |
| CN103727161A (en) * | 2014-01-14 | 2014-04-16 | 陈余堃 | Novel damper and implementation method thereof |
| CN205896014U (en) * | 2016-08-09 | 2017-01-18 | 河南天一减振器科技有限公司 | Can effectively avoid connecting rod novel shock absorber of mill partially |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1061702A (en) * | 1996-08-12 | 1998-03-06 | Paatonaa Sangyo Kk | Opening/closing damper |
| JP4361478B2 (en) * | 2004-12-24 | 2009-11-11 | カヤバ工業株式会社 | Shock absorber |
-
2016
- 2016-08-09 CN CN201610644025.4A patent/CN106090106B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683928Y (en) * | 2004-02-11 | 2005-03-09 | 蔺占民 | Screw type buffer |
| CN201238237Y (en) * | 2008-04-22 | 2009-05-13 | 昆明理工大学 | Screw type vibration-damping generator |
| CN103727161A (en) * | 2014-01-14 | 2014-04-16 | 陈余堃 | Novel damper and implementation method thereof |
| CN205896014U (en) * | 2016-08-09 | 2017-01-18 | 河南天一减振器科技有限公司 | Can effectively avoid connecting rod novel shock absorber of mill partially |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106090106A (en) | 2016-11-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yunbin Inventor after: Zhou Wenyi Inventor after: Chen Yuan Inventor after: Lian Zhiyun Inventor after: Chen Xiaojun Inventor before: Zhou Wenyi Inventor before: Chen Yuan Inventor before: Lian Zhiyun Inventor before: Chen Xiaojun |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |