CN206914427U - Bushing and its corresponding slewing journal structure - Google Patents
Bushing and its corresponding slewing journal structure Download PDFInfo
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- CN206914427U CN206914427U CN201720742172.5U CN201720742172U CN206914427U CN 206914427 U CN206914427 U CN 206914427U CN 201720742172 U CN201720742172 U CN 201720742172U CN 206914427 U CN206914427 U CN 206914427U
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- bushing
- knuckle
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- press
- ears
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Abstract
A kind of bushing and its corresponding slewing journal structure are the utility model is related to, is characterised by, the bushing is made up of bushing inner tube, bushing outer tube and intermediate rubber body, and bushing axial direction side is picked up the ears provided with rubber dust-proof;Opposite side is provided with bushing flange.The knuckle is provided with the knuckle bushing hole for being used for installing bushing, and the press-in aperture and extrusion aperture in the knuckle bushing hole are both designed as the rounding corner structure that radius R is 2.2 2.5mm.The knuckle bushing hole that the utility model designs according to the peculiar structure and material of special bushing, rubber dust-proof is avoided by optimizing knuckle bushing pore structure to pick up the ears in damaging problem caused by press fitting, positioning and the stable bond between bushing and bush hole are ensure that by press-fitting tool, operating process is simplified, it is time saving and energy saving, substantially increase operating efficiency and the qualification rate of product.
Description
Technical field
It the utility model is related to a kind of bushing, there is the slewing journal structure of bush hole, belong to slewing journal structure and bushing pressure
Fill technology field.
Background technology
Knuckle is one of major part on steering axle of automobile, can make vehicle steadily traveling and sensitive transmission traveling side
To the function of knuckle is subject to automotive front load, supports and drives front-wheel to be rotated around stub and make motor turning.In automobile
Under transport condition, it subjects changeable shock loading, it is therefore desirable to which it has very high intensity.
Automobile rubber bush is very important safety member on automobile, and its performance and structure directly decide the comfortable of automobile
Degree and security performance, it is the most key one in knuckle bushing press-loading process that rubber bushing, which is pressed into knuckle bushing hole,
Step.During bushing press-mounting, axiality and perpendicularity between press fitting front lining and bush hole are fully ensured that, if coaxially
Degree keeps bad with perpendicularity, then easily causes press fitting to fail, or even the structure of damage bushing and knuckle, not only time-consuming to take
Power, production efficiency is influenceed, while return enterprise and cause huge economic loss and labour cost.
Due to design requirement, part bushing can use integrated rubber dustproof design, due to bush structure and its material
Limitation, such special bushing require very strict to the structure in knuckle bushing hole and the control process of press-loading process, such as
The structure design in knuckle bushing hole is bad, equally also the bushing during press fitting can be caused to damage, therefore in bushing with turning
During press fitting to section bush hole, the two combination degree, axiality and press fitting process be it is quite unmanageable, slightly
Deviation will make rubber dust-proof pick up the ears to damage, and extreme difficulties are caused to press fitting process.
In consideration of it, the utility model provides the technical scheme to solve the above problems.
Utility model content
The utility model aims to provide a kind of steering for being directed to the bushing picked up the ears with rubber dust-proof and obtaining more preferably matching degree
Main body is saved, the knuckle body solves such bushing in press fitting process by the bushing pore structure of optimization by press-fitting tool
Present in axiality is unmanageable, press fitting is difficult, and a series of technology barrier such as caused bushing crushing therefrom should
Knuckle body structure have scientific structure design rationally, be easy to press fitting, safety and stability is reliable, the characteristics of being well combined,
To solve the above problems, technical scheme is used by the utility model:
Bushing 40, including the liner body with intermediate shaft hole 46, it is characterized in that, the liner body is by bushing
Inner tube 41, bushing outer tube 42 and the intermediate rubber body 43 between bushing inner tube 41 and bushing outer tube 42 are formed, the lining
The axial side of set main body, which is provided with along the radially outwardly extending rubber dust-proof of the outer wall of bushing inner tube 41, picks up the ears 44;The liner body
Axial opposite side be provided with bushing flange 45;
The bushing inner tube 41 and bushing outer tube 42 are the hard body made of metal material;
The rubber dust-proof pick up the ears 44 diameter be more than the bushing outer tube 42 diameter;
The wall thickness of the bushing outer tube 42 is less than the wall thickness of the bushing inner tube 41.
Knuckle 30, including knuckle body, are characterized in that, the knuckle body, which is provided with, to be used to install bushing
40 knuckle bushing hole 31, according to the press fitting sequencing of bushing, the press-in aperture 31-1 and pressure in the knuckle bushing hole 31
Go out aperture 31-2 and be both designed as rounding corner structure 32.
The a height of H in hole in the knuckle bushing hole 31, the inner face of bushing flange 45 of the bushing 40 to rubber dust-proof side
The distance of the inner face of ear 44 is L;In order to reach the fitness between bushing and knuckle bushing hole, the high H in hole should be less than institute
Distance L is stated, its size difference is 0.5-2mm;
The press-in aperture 31-1 and rounding radii R for extruding aperture is 2.2-2.5mm.
A kind of bushing and knuckle of the present utility model, its simple structural design is reasonable, according to the peculiar knot of special bushing
Structure and material and the knuckle bushing hole designed, make have a kind of stabilization safe and reliable between bushing, knuckle and press-fitting tool
State.The utility model structure design substantially increases pair that special bushing particularly rubber dust-proof is picked up the ears during press fitting
Just with stably, optimization knuckle bushing pore structure avoids rubber dust-proof and picks up the ears, in damaging problem caused by press fitting, to pass through pressure
Dress frock ensure that positioning and the stable bond between bushing and bush hole, simplify operating process, time saving and energy saving, greatly improve
The qualification rate of operating efficiency and product.
Brief description of the drawings
Fig. 1:The utility model bush structure schematic diagram;
Fig. 2:The utility model knuckle bushing pore structure figure;
Fig. 3:A kind of press-fitting tool overall structure diagram of special bushing of the utility model;
Fig. 4:A kind of press-fitting tool of special bushing of the utility model carries the overall structure figure of knuckle;
Fig. 5:The utility model main control mechanism half section structure diagram;
Fig. 6:Pressure head portion structural representation with special bushing;
Fig. 7:The utility model auxiliary corrective mechanism structure schematic diagram;
Fig. 8:The utility model auxiliary support mechanism structural representation;
Fig. 9:It is pressed with the knuckle sectional view of bushing;
In figure, 1, press fitting bottom plate, 30, knuckle, 31, knuckle bushing hole, 31-1, press-in aperture, 31-2, extrude hole
Mouthful, A, main control mechanism, A1, positioning and guiding portion, A11, guide sleeve, A11-1, reserved groove of picking up the ears, A12, mandrel, A12-1, steering
Section bush hole cooperation shaft part, A13, guide finger, A13-1, bushing cooperation shaft part, A14, spring, A2, pressure head portion, A21, pressure head,
A21-1, bushing installation axle, A21-2, anticreep bulge loop, B, auxiliary corrective mechanism, B1, column, B2, central bore, B3, compression bullet
Spring, B4, cushion block, B5, connecting bolt, B6, plain radial bearing, B7, support set, B8, back-up ring, C, auxiliary support mechanism, C1, in
Empty fixed cover, C2, stage clip, C3, fore-set, 40, bushing, 41, bushing inner tube, 42, bushing outer tube, 43, intermediate rubber body, 44, rubber
Glue is dust-proof to pick up the ears, and 45, bushing flange, 46, intermediate shaft hole, 6, adjustment block.
Embodiment
Accompanying drawing 1-9 is described in detail below to a kind of bushing of the utility model and its slewing journal structure below.
Embodiment 1
Bushing 40, including the liner body with intermediate shaft hole 46, the liner body be by bushing inner tube 41, bushing outside
Pipe 42 and the intermediate rubber body 43 between bushing inner tube 41 and bushing outer tube 42 are formed, the axial direction one of the liner body
Side is provided with along the radially outwardly extending rubber dust-proof of the outer wall of bushing inner tube 41 and picks up the ears 44;The axial opposite side of the liner body is set
There is bushing flange 45;The bushing inner tube 41 and bushing outer tube 42 are the hard body made of metal material;The rubber
It is dust-proof pick up the ears 44 diameter be more than the bushing outer tube 42 diameter;The wall thickness of the bushing outer tube 42 is less than the bushing inner tube
41 wall thickness, the inner face of bushing flange 45 and rubber dust-proof of the bushing 40 pick up the ears between 44 inner faces with knuckle bushing hole
Inwall be engaged, its height distance is 47.5mm.
Embodiment 2
For installing the knuckle 30 of bushing 40 described in embodiment 1, including knuckle body, set on the knuckle body
There is the knuckle bushing hole 31 for installing bushing 40, according to the press fitting sequencing of bushing, the pressure in the knuckle bushing hole 31
Man-hole opening 31-1 and extrusion aperture 31-2 are both designed as rounding corner structure.The hole a height of 48 in the knuckle bushing hole 31 ±
0.2mm, the pick up the ears height distance of 44 inner faces of the inner face of bushing flange 45 to the rubber dust-proof of the bushing 40 is 47.5mm;Institute
The rounding radii R for stating press-in aperture 31-1 and extrusion aperture is 2.2-2.5mm.
Embodiment 3
For the bushing press-mounting technique of knuckle 30 described in bushing 40 described in embodiment 1 and embodiment 2, including following tool
Body step:
Step 1:Bushing is installed
Bushing 40 is installed on the pressure head A21-1 of press-loading device, and uniformly smeared on its rubber dust-proof 44 surfaces of picking up the ears
Castor oil;
Step 2:Fixed knuckle
Knuckle 30 is fixed on press-fitting tool, and the knuckle bushing hole 31 of knuckle 30 is positioned at press-fitting tool
Main control mechanism A on;
Step 3:Press fitting
Start press-loading device, pressure head portion A2 drive bushing 40 slowly fall, to knuckle bushing hole 31 at when, rubber dust-proof
Pick up the ears 44 slowly to fold at the press-in aperture 31-1 in knuckle bushing hole 31, and then bushing 40 is pressed into knuckle bushing hole 31
It is interior, continue to press to rubber dust-proof and pick up the ears 44 to extrude from the extrusion aperture 31-2 in knuckle bushing hole 31, pressure head pushing force with
And under the elastic force collective effect of bushing intermediate rubber body 43, the rubber dust-proof of bushing 40 picks up the ears 44 in knuckle bushing hole 31
Deploy naturally outside extrusion aperture 31-2 and seamless applying with the end face in knuckle bushing hole 31, so far complete press fitting process.For
Make press fitting process more stable smooth, adjustment block 6 is installed, the lower surface top pressure of adjustment block 6 is in described on the pressure head
On the bushing flange 45 of bushing 40, and its width should ensure that only press in the pipe end of bushing inner tube 41 and with the bushing outer tube
42 is contactless;Thus structure is come during ensureing press fitting, the adjustment block 6 pushes the bushing inner tube 41, makes in the bushing
Pipe 41 produces relative displacement under the elastic reaction of intermediate rubber body 43 with the bushing outer tube 42, so that rubber dust-proof picks up the ears 44
Smoothly extrude and deploy from the extrusion aperture 31-2 in knuckle bushing hole 31.
Embodiment 4
A kind of press-fitting tool for embodiment 3, its structure include structure and dimensional configurations according to knuckle 30 in pressure
Fill the main control mechanism A on bottom plate 1, and at least one pair of auxiliary corrective mechanism B and auxiliary support mechanism C for being used cooperatively;Institute
Main control mechanism A is stated to position knuckle bushing hole 31 and coordinate press-loading device to complete press fitting process, it includes determining for bottom
The position guide part A1 and pressure head portion A2 corresponding with the positioning and guiding portion A1 positions of bottom;The auxiliary corrective mechanism B
To provide fault-tolerant and calibration function to the press fitting process in the knuckle bushing hole 31;The auxiliary support mechanism C is to auxiliary
Other positions for supporting the knuckle body are helped, so that the press fitting position of knuckle obtains more firm effect.The master
Controlling organization A positioning and guiding portion A1 includes a guide sleeve A11 being installed on press fitting bottom plate 1, movable set in the guiding
Inside set A11 and the mandrel A12 that is coaxial therewith, the mandrel A12 internal sleeves are provided with the guide finger A13 being coaxial therewith, described to lead
The interior sets of holes of the mandrel A12 are fastened in pin A13 end, the bottom of the guide finger A13 with it is described press fitting bottom plate 1 it
Between pressure be provided with spring A14;Under the spring A14 Spontaneous release states, the guide finger A13 brings up the mandrel A12
And mandrel A12 bottom is set to be resisted against on the limiting stand of the guide sleeve A11 endoporus, the mandrel A12 extends guide sleeve
A11 part shaft part coordinates shaft part A12-1, the guide finger A13 as the knuckle bushing hole in suit knuckle bushing hole 31
The part shaft part for extending mandrel A12 coordinates shaft part A13-1 as bushing;The top of the guide sleeve A11, which is reserved with, to be pressed
Into it is rear accommodate the rubber dust-proof pick up the ears 44 the reserved groove A11-1 that picks up the ears;When the rubber dust-proof of the bushing 40 picks up the ears 44 by upper
When being extruded under and from knuckle bushing hole 31, the reserved groove A11-1 that picks up the ears can effectively be accommodated and be protected the rubber
It is dust-proof pick up the ears it is 44 not compact;
The pressure head portion A2 of the main control mechanism A includes the pressure head A21 controlled by press-loading device and is installed on the pressure head
Bushing 40 on A21, the bottom of the pressure head A21 have a bushing installation axle A21-1, the bushing installation axle A21-1 insertings
It is interference fitted in the axis hole of the bushing 40 and with it;In order to further strengthen bushing installation axle A21-1 and the bushing 40
Between cooperation intensity, the periphery of the bushing installation axle A21-1 is provided with some anticreep bulge loop A21-2.The auxiliary corrective machine
Structure B includes the column B1 for the being fixed on the press fitting bottom plate 1 and cushion block B4 for being movably connected on the column B1 tops, the pad
Hand clamp is installed on piece B4;The top of the column B1 is provided with central bore B2, is installed in the central bore B2 bottoms
The top for having compression spring B3, the compression spring B3 is provided with plain radial bearing B6, runs through the cushion block by connecting bolt B5
B4 endoporus is fixedly connected downwards with the plain radial bearing B6 in the column B1 central bores B2, in order to prevent the pad
B4 glides along connecting bolt B5, is arranged with the periphery of the connecting bolt B5 and is respectively limited by cushion block B4 bottoms and described
The support set B7 on plain radial bearing B6 tops.The central bore B2 upper surfaces of the column B1 are provided with through connecting bolt B5
With support set B7 back-up ring B8.
The auxiliary support mechanism C includes the hollow fixed cover C1 being fixedly installed on the press fitting bottom plate 1, described hollow
Bottom of the fixed cover C1 inside provided with stage clip C2, the stage clip C2 is connected on the press fitting bottom plate 1, and the stage clip C2's is upper
It is T-shaped structure that portion, which is limited in fore-set C3, the fore-set C3, and its one end is limited in the hollow fixed cover C1, and the other end runs through
The top of the hollow fixed cover C1 simultaneously upwardly extends, the strong point as the region of interest of knuckle body 2.
The press-fitting tool operating process is described below:
In use, special bushing is inserted in the bushing installation axle of pressure head, the knuckle bushing hole of knuckle body is put
The positioning and guiding portion of press fitting bottom plate is placed in, other positions for needing to support are individually fixed in auxiliary corrective mechanism by knuckle body
On auxiliary support mechanism, auxiliary support mechanism directly holds out against fixation by fore-set, and manually clamp can incite somebody to action for auxiliary corrective mechanism
Knuckle body part pressure is fixed in made of nylon material on cushion block.After the completion of installation positioning, start press-loading device, pressure head carries
Bushing slowly presses downward to bush hole, and bushing rubber is dust-proof to pick up the ears to be first to fold to deploy afterwards during whole press fitting, aids in school
Positive mechanism and auxiliary support mechanism ensure that the zero offset capability and fault tolerance of main control mechanism during whole press fitting,
Adequately protected the safety that the rubber dust-proof of special bushing is picked up the ears, and greatly reduces the damaged probability of bushing.
A kind of bushing, knuckle and its press-loading process of the present utility model, its simple structural design is reasonable, according to special lining
The peculiar structure and material of set and the knuckle bushing hole designed, and further complete entirely to be pressed by press-fitting tool
Journey.Its press-fitting tool has separately designed main control mechanism on press fitting bottom plate and has coordinated the main control mechanism to complete to be pressed
The auxiliary corrective mechanism and auxiliary support mechanism of work, during press fitting, make to have between bushing, knuckle and press-fitting tool
A kind of safe and reliable state of stabilization.The utility model structure design substantially increases special bushing particularly rubber dust-proof and picked up the ears
Aligning and stably, the utility model avoids rubber dust-proof by optimizing knuckle bushing pore structure and picked up the ears during press fitting
In damaging problem caused by press fitting, positioning and the stable bond between bushing and bush hole ensure that by press-fitting tool, subtract
Change operating process, it is time saving and energy saving, substantially increase operating efficiency and the qualification rate of product.
Claims (4)
1. bushing(40), including with intermediate shaft hole(46)Liner body, be characterised by
The liner body is by bushing inner tube(41), bushing outer tube(42)And positioned at bushing inner tube(41)With bushing outer tube
(42)Between intermediate rubber body(43)Form, the axial side of the liner body is provided with along the bushing inner tube(41)Outer wall
Radially outwardly extending rubber dust-proof is picked up the ears(44);The axial opposite side of the liner body is provided with bushing flange(45).
2. bushing as claimed in claim 1(40), it is characterised by
The bushing inner tube(41)With bushing outer tube(42)It is the hard body made of metal material;
The rubber dust-proof is picked up the ears(44)Diameter be more than the bushing outer tube(42)Diameter;
The bushing outer tube(42)Wall thickness be less than the bushing inner tube(41)Wall thickness.
3. one kind corresponds to bushing described in claim 1(40)Knuckle(30), including knuckle body, it is characterised by
The knuckle body, which is provided with, to be used to install bushing(40)Knuckle bushing hole(31), it is successively suitable according to the press fitting of bushing
Sequence, the knuckle bushing hole(31)Press-in aperture(31-1)With extrusion aperture(31-2)It is both designed as rounding corner structure
(32), the rounding radii R is 2.2-2.5mm.
4. knuckle as claimed in claim 3(30), it is characterised by
The knuckle bushing hole(31)The a height of H in hole, the bushing(40)Bushing flange(45)Inner face is to rubber dust-proof
Pick up the ears(44)The distance of inner face is L;In order to reach the fitness between bushing and knuckle bushing hole, the high H in hole should be small
In the distance L, its size difference is 0.5-2mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720742172.5U CN206914427U (en) | 2017-06-24 | 2017-06-24 | Bushing and its corresponding slewing journal structure |
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CN201720742172.5U CN206914427U (en) | 2017-06-24 | 2017-06-24 | Bushing and its corresponding slewing journal structure |
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CN206914427U true CN206914427U (en) | 2018-01-23 |
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ID=61322946
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CN201720742172.5U Active CN206914427U (en) | 2017-06-24 | 2017-06-24 | Bushing and its corresponding slewing journal structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107323525A (en) * | 2017-06-24 | 2017-11-07 | 威海伯特利萨克迪汽车安全***有限公司 | Bushing, knuckle and its press-loading process |
-
2017
- 2017-06-24 CN CN201720742172.5U patent/CN206914427U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107323525A (en) * | 2017-06-24 | 2017-11-07 | 威海伯特利萨克迪汽车安全***有限公司 | Bushing, knuckle and its press-loading process |
CN107323525B (en) * | 2017-06-24 | 2023-04-14 | 威海伯特利汽车安全体***有限公司 | Bushing, steering knuckle and press-fitting process thereof |
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Address after: 264500 No.2, Kaifa Third Road, Rushan economic and Technological Development Zone, Weihai City, Shandong Province Patentee after: Weihai Bethel automobile safety system Co.,Ltd. Address before: 264500 No.2, Kaifa Third Road, Rushan economic and Technological Development Zone, Weihai City, Shandong Province Patentee before: WEIHAI BETHEL SAKEDI AUTOMOTIVE SAFETY SYSTEMS CO.,LTD. |