CN106015418B - A kind of automotive towing arm bush - Google Patents
A kind of automotive towing arm bush Download PDFInfo
- Publication number
- CN106015418B CN106015418B CN201610524526.9A CN201610524526A CN106015418B CN 106015418 B CN106015418 B CN 106015418B CN 201610524526 A CN201610524526 A CN 201610524526A CN 106015418 B CN106015418 B CN 106015418B
- Authority
- CN
- China
- Prior art keywords
- inner tube
- installation
- mounting base
- outer tube
- towing arm
- 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
-
- 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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
-
- 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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3842—Method of assembly, production or treatment; Mounting thereof
Abstract
The invention discloses a kind of automotive towing arm bush, including outer tube and inner tube, inner tube is arranged in outer tube, feature is that there are two the mounting bases for installing inner tube for setting in outer tube, two mounting bases are symmetricly set in outer tube, are vulcanized by rubber spring between the lateral wall of mounting base and the madial wall of outer tube and are connected, enclosed between two mounting bases and set to form an inner tube installation cavity, inner tube be inserted into be arranged in inner tube installation cavity, and inner tube respectively with two mounting base tight fits.Advantage is that inner tube is connected by package assembly with rubber spring, since rubber spring is flexible, the different rubber spring precompressed amounts under identical rubber spring structure may be implemented by adjusting the size of inner tube structure at this time, to realize rubber spring precompressed amount to greatest extent, and the precompressed amount of rubber spring is bigger, then in the case where rubber spring is sufficiently thick, sufficiently large bushing radial rigidity also can guarantee, and the fatigue behaviour of automotive towing arm bush can be improved to the maximum extent.
Description
Technical field
The present invention relates to a kind of automobile bushings, more particularly, to a kind of automotive towing arm bush.
Background technology
Existing automotive towing arm bush is generally made of three outer tube, inner tube and rubber spring parts, and middle external tube connects
Towing arm is connect, inner tube is connect by bolt with vehicle body or vehicle frame.In order to meet the comfortableness and security requirement of driving, automobile drags
Arm bush is draged to need to bear great lateral load and larger windup-degree, and in the case of multi-state coupling,
Operating mode is more severe, the requirement higher of performance and fatigue to automotive towing arm bush.
Generally a nylon bulge can be arranged in the outer wall of inner tube in existing automotive towing arm bush, then pass through rubber master
Inner tube is installed in outer tube by spring vulcanization between nylon bulge and outer tube, and a nylon bulge, energy is arranged in the outer wall of inner tube
Enough increase the radial rigidity of bushing, but the presence of nylon bulge reduces the radial thickness of rubber spring, to reduce bushing
Fatigue behaviour.
Invention content
Technical problem to be solved by the invention is to provide a kind of automotive towing arm linings simple in structure, fatigue behaviour is good
Set.
Technical solution is used by the present invention solves above-mentioned technical problem：
A kind of automotive towing arm bush, including outer tube and inner tube, the inner tube is arranged in the outer tube, described
Setting is there are two the mounting base for installing the inner tube in outer tube, and the mounting base described in two is symmetricly set on described outer
Vulcanized by rubber spring in pipe, between the lateral wall of the mounting base and the madial wall of the outer tube and is connected, two institutes
It is enclosed between the mounting base stated and sets to form an inner tube installation cavity, inner tube insertion is arranged in the inner tube installation cavity,
And the inner tube respectively with the mounting base tight fit described in two.
The lateral wall and madial wall of the mounting base be and the matched arcwall of outer tube madial wall radian.
The lateral wall and madial wall of mounting base be and the matched arcwall of outer tube madial wall radian, so that for connecting installation
Consistency of thickness of the seat with the rubber spring of outer tube throughout, to ensure that the overall radial thickness of rubber spring, so that
The fatigue behaviour of bushing is guaranteed.
Multiple installations being recessed to the lateral wall direction of the mounting base are provided on the madial wall of the mounting base
Slot is provided on the lateral wall of the inner tube and is inserted with the matched installation inserted block of the installation slot, the installation
Block and the installation slot tight fit, being arranged by the installation inserted block insertion will be described in the installation slot
Inner tube is mounted in the inner tube installation cavity.It is arranged inner tube in installation slot mounted on inner tube by installing inserted block and being inserted into
In installation cavity, mounting structure is simple, easy for installation, and installs inserted block and installation slot tight fit so that the peace of inner tube and both sides
Rubber spring is given to provide an extruding force when inner tube is installed in inner tube installation cavity for the relationship of interference fit between dress seat,
So that rubber spring obtains a decrement, so as to effectively improve the fatigue behaviour and rigidity of rubber spring.
The inner tube includes the mounting blocks installed iron plate and be arranged outside the installation iron plate, the mounting blocks
The lateral wall of left and right two on be respectively arranged with the installation inserted block.Inner tube includes installation iron plate and mounting blocks, installs iron plate
Rigidity is big, is suitable for connecting with vehicle body or vehicle frame, and inner tube is divided into two components, two components undertake two different works respectively
With not interfering with one another, to ensure that the automotive towing arm bush can better use.
Former and later two lateral walls difference outwardly convex of the mounting blocks forms arc convex portion, the outer tube it is interior
There are two rubber collision blocks for setting on side wall, and the rubber collision block described in two is opposite and sets, and each rubber collision block corresponds to
Arc convex portion described in one.Former and later two lateral walls of mounting blocks are the arc convex portion of outwardly convex, to entire bushing
Play the role of lateral Displacement, and an arc convex portion corresponds to a rubber collision block, in the case where ensureing linearity range, the arc
Shape lug boss increases the striking face between rubber collision block, such rubber collision block will not be hit quickly it is rotten, to effectively improve
In the service life of rubber collision block, it further ensure that the fatigue life of entire automotive towing arm bush.
The rubber collision block end face opposite with the arc convex portion is planar end surface.Rubber collision block and arc convex
The opposite end face in portion and planar end surface so that striking face is larger, effectively improves the service life of rubber collision block.
The upper and lower ends of the installation iron plate are respectively arranged with mounting hole.Mounting hole is used for installation bolt, passes through bolt
Realize the connection of the automotive towing arm bush and vehicle body or vehicle frame, connection structure is simple, easy for assemble or unload.
The material of the mounting base is aluminium.Mounting base selects aluminium, aluminium that can mitigate production in the case of proof strength
The weight of product realizes light-weighted purpose, and in addition aluminium does not need preservative treatment, reduces cost compared to ironware, improves
The competitiveness of part.
The material of the mounting blocks is aluminium.Mounting blocks select aluminium, aluminium that can mitigate production in the case of proof strength
The weight of product realizes light-weighted purpose, and in addition aluminium does not need preservative treatment, reduces cost compared to ironware, improves
The competitiveness of part.
Compared with the prior art, the advantages of the present invention are as follows：Two mounting bases for installing inner tube are set in outer tube,
Mounting base, which is vulcanized with outer tube by rubber spring, to be connected, and an inner tube installation cavity is formed between two mounting bases, and inner tube insertion is set
Set in the inner tube installation cavity, and with mounting base tight fit, inner tube is connected by package assembly with rubber spring, due to rubber
Main spring is flexible, and the different rubbers under identical rubber spring structure may be implemented by adjusting the size of inner tube structure at this time
The main spring precompressed amount of glue, to realize rubber spring precompressed amount to greatest extent, and the precompressed amount of rubber spring is bigger, then in rubber master
In the case that spring is sufficiently thick, sufficiently large bushing radial rigidity also can guarantee, and automotive towing can be improved to the maximum extent
The fatigue behaviour of arm bush.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of inner tube in the present invention；
Fig. 3 is the overlooking structure diagram that the present invention removes inner tube.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
Embodiment one：As shown in Figure 1 to Figure 3, a kind of automotive towing arm bush, including outer tube 1 and inner tube 2, inner tube 2 are arranged
In outer tube 1, there are two the mounting bases 3 for installing inner tube 2, two mounting bases 3 to be symmetricly set on outer tube 1 for setting in outer tube 1
It is interior, vulcanized by rubber spring 4 between the lateral wall and the madial wall of outer tube 1 of mounting base 3 and connected, enclosed between two mounting bases 3
If formed an inner tube installation cavity 31, inner tube 2 be inserted into be arranged in inner tube installation cavity 31, and inner tube 2 respectively with two mounting bases 3
Tight fit.
In this particular embodiment, the lateral wall and madial wall of mounting base 3 are matched with 1 madial wall radian of outer tube
Arcwall.The lateral wall and madial wall of mounting base 3 be and the 1 matched arcwall of madial wall radian of outer tube, so that uses
In the consistency of thickness of the rubber spring 4 of connection mounting base 3 and outer tube 1 throughout, to ensure that the overall radial of rubber spring 4
Thickness, so that the fatigue behaviour of bushing is guaranteed.
In this particular embodiment, it is provided on the madial wall of mounting base 3 multiple to the lateral wall direction of mounting base 3 recess
Installation slot 32, be provided on the lateral wall of inner tube 2 with installation 32 matched installation inserted block 23 of slot, install inserted block 23 and
32 tight fit of slot is installed, inner tube 2 is mounted on inner tube installation cavity in installation slot 32 by installing the insertion of inserted block 23 setting
In 31.Inner tube 2 is mounted in inner tube installation cavity 31 in installation slot 32 by installing the insertion of inserted block 23 setting, mounting structure
Simply, easy for installation, and inserted block 23 and installation 32 tight fit of slot are installed so that it was between inner tube 2 and the mounting base on both sides 3
The relationship of cooperation of being full of provides an extruding force so that rubber when inner tube 2 is installed in inner tube installation cavity 31 to rubber spring 4
Main spring 4 obtains a decrement, so as to effectively improve the fatigue behaviour and rigidity of rubber spring 4.
In this particular embodiment, inner tube 2 includes the mounting blocks 22 installed iron plate 21 and be arranged outside installation iron plate 21,
Installation inserted block 23 is respectively arranged on the lateral wall of left and right two of mounting blocks 22.Inner tube 2 includes installing iron plate 21 and mounting blocks 22,
It is big that 21 rigidity of iron plate is installed, is suitable for connecting with vehicle body or vehicle frame, and inner tube 2 is divided to for two components, two components undertake two respectively
A different effect, does not interfere with one another, to ensure that the automotive towing arm bush can better use.
In this particular embodiment, former and later two lateral walls difference outwardly convex of mounting blocks 22 forms arc convex portion
221, setting is there are two rubber collision block 5 on the madial wall of outer tube 1, and two rubber collision blocks 5 are opposite and set, and each rubber collision block 5
A corresponding arc convex portion 221.Former and later two lateral walls of mounting blocks 22 are the arc convex portion 221 of outwardly convex, to whole
A bushing plays the role of lateral Displacement, and an arc convex portion 221 corresponds to a rubber collision block 5, the arc convex portion 221
Increase the striking face between rubber collision block 5, such rubber collision block 5 will not be hit quickly it is rotten, to effectively increase rubber
The service life of collision block 5 further ensure that the fatigue life of entire automotive towing arm bush.
In the case where ensureing linearity range, rubber collision block 5 is done it is big as possible, to improve rubber collision block 5 fatigue of itself
Service life.
In this particular embodiment, the end face opposite with arc convex portion 221 of rubber collision block 5 is planar end surface.Rubber collision block 5
The end face and planar end surface opposite with arc convex portion 221 so that striking face is larger, effectively improves the service life of rubber collision block 5.
In this particular embodiment, the upper and lower ends of installation iron plate 21 are respectively arranged with mounting hole 211.Mounting hole 211 is used
In installation bolt, the connection of the automotive towing arm bush and vehicle body or vehicle frame is realized by bolt, connection structure is simple, and installation is torn open
It unloads conveniently.
Outer tube 1 uses the preferable metal material of elongation percentage, can increase the indent of outer tube 1, the retraction of larger outer tube 1
The precompressed amount to greatest extent of rubber spring 4 may be implemented in amount, to keep the fatigue behaviour of rubber spring 4 more preferable.
Embodiment two：Other parts are identical as embodiment, the difference is that the material of mounting base 3 is aluminium.Mounting base 3
Select aluminium, aluminium that can mitigate the weight of product in the case of proof strength, realize light-weighted purpose, in addition aluminium is not required to
Preservative treatment is wanted, cost is reduced compared to ironware, improves the competitiveness of part.
In this particular embodiment, the material of mounting blocks 22 is aluminium.Mounting blocks 22 select aluminium, and aluminium can be in proof strength
In the case of mitigate product weight, realize light-weighted purpose, in addition aluminium does not need preservative treatment, compared to ironware reduce
Cost, improves the competitiveness of part.
Claims (7)
1. a kind of automotive towing arm bush, including outer tube and inner tube, the inner tube are arranged in the outer tube, feature exists
In setting in the outer tube there are two the mounting base for installing the inner tube, the mounting base described in two is symmetricly set on
Vulcanized by rubber spring in the outer tube, between the lateral wall of the mounting base and the madial wall of the outer tube and is connected
It connects, is enclosed between the mounting base described in two and set to form an inner tube installation cavity, inner tube insertion is arranged in the inner tube
In installation cavity, and the inner tube respectively with the mounting base tight fit described in two；The lateral wall of the mounting base and inside
Wall is and the matched arcwall of outer tube madial wall radian；Be provided on the madial wall of the mounting base it is multiple to
The installation slot of the lateral wall direction recess of the mounting base, is provided with and the installation on the lateral wall of the inner tube
The matched installation inserted block of slot, the installation inserted block and the installation slot tight fit, pass through the installation inserted block
Insertion, which is arranged in the installation slot, is mounted on the inner tube in the inner tube installation cavity.
2. a kind of automotive towing arm bush as described in claim 1, it is characterised in that the inner tube include installation iron plate and
Mounting blocks outside the installation iron plate are set, are respectively arranged on the lateral wall of left and right two of the mounting blocks described
Installation inserted block.
3. a kind of automotive towing arm bush as claimed in claim 2, it is characterised in that outside former and later two of the mounting blocks
Side wall distinguishes outwardly convex and forms arc convex portion, and there are two rubber collision block, two institutes for setting on the madial wall of the outer tube
The rubber collision block stated is opposite and sets, and each rubber collision block corresponds to the arc convex portion described in one.
4. a kind of automotive towing arm bush as claimed in claim 3, it is characterised in that the rubber collision block and the arc
The opposite end face of shape lug boss is planar end surface.
5. a kind of automotive towing arm bush as claimed in claim 2, it is characterised in that the upper and lower ends of the installation iron plate
It is respectively arranged with mounting hole.
6. a kind of automotive towing arm bush as described in claim 1, it is characterised in that the material of the mounting base is aluminium.
7. a kind of automotive towing arm bush as claimed in claim 2, it is characterised in that the material of the mounting blocks is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524526.9A CN106015418B (en) | 2016-07-04 | 2016-07-04 | A kind of automotive towing arm bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610524526.9A CN106015418B (en) | 2016-07-04 | 2016-07-04 | A kind of automotive towing arm bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015418A CN106015418A (en) | 2016-10-12 |
| CN106015418B true CN106015418B (en) | 2018-11-06 |
Family
ID=57108009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610524526.9A Active CN106015418B (en) | 2016-07-04 | 2016-07-04 | A kind of automotive towing arm bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015418B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200141183A (en) * | 2019-06-10 | 2020-12-18 | 현대자동차주식회사 | Roll mount device for vehicle |
| CN114810916B (en) * | 2022-04-26 | 2023-06-23 | 博戈橡胶塑料（株洲）有限公司 | Hydraulic bushing capable of adjusting static stiffness curve and assembling method thereof |
| CN114940239A (en) * | 2022-06-28 | 2022-08-26 | 江苏科技大学 | Towing device and tugboat |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4139582C1 (en) * | 1991-11-30 | 1992-11-12 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | Rubber bearing suitable for car bodywork components - has layer of elastic material between outer and inner parts with ribs facing each other |
| CN201023406Y (en) * | 2007-01-08 | 2008-02-20 | 许容毅 | Swinging arm suspension lining |
| CN201420826Y (en) * | 2009-05-22 | 2010-03-10 | 书元机械企业(昆山)有限公司 | Anti-vibration bush with alloy shaft sleeve |
| CN201694011U (en) * | 2010-06-07 | 2011-01-05 | 中集车辆（集团）有限公司 | Shaft sleeve of vehicle suspending system |
| CN202368325U (en) * | 2011-09-28 | 2012-08-08 | 宁波拓普集团股份有限公司 | Novel engine rear pull rod cushion |
| CN102689572A (en) * | 2012-06-11 | 2012-09-26 | 宁波拓普集团股份有限公司 | Bush for automobile |
| CN203239814U (en) * | 2013-04-24 | 2013-10-16 | 上海众力投资发展有限公司 | Lining structure for increasing fatigue |
| CN204572892U (en) * | 2015-02-05 | 2015-08-19 | 安徽科源机械有限公司 | A kind of lining of automobile front axle bulb assembly |
-
2016
- 2016-07-04 CN CN201610524526.9A patent/CN106015418B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4139582C1 (en) * | 1991-11-30 | 1992-11-12 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | Rubber bearing suitable for car bodywork components - has layer of elastic material between outer and inner parts with ribs facing each other |
| CN201023406Y (en) * | 2007-01-08 | 2008-02-20 | 许容毅 | Swinging arm suspension lining |
| CN201420826Y (en) * | 2009-05-22 | 2010-03-10 | 书元机械企业(昆山)有限公司 | Anti-vibration bush with alloy shaft sleeve |
| CN201694011U (en) * | 2010-06-07 | 2011-01-05 | 中集车辆（集团）有限公司 | Shaft sleeve of vehicle suspending system |
| CN202368325U (en) * | 2011-09-28 | 2012-08-08 | 宁波拓普集团股份有限公司 | Novel engine rear pull rod cushion |
| CN102689572A (en) * | 2012-06-11 | 2012-09-26 | 宁波拓普集团股份有限公司 | Bush for automobile |
| CN203239814U (en) * | 2013-04-24 | 2013-10-16 | 上海众力投资发展有限公司 | Lining structure for increasing fatigue |
| CN204572892U (en) * | 2015-02-05 | 2015-08-19 | 安徽科源机械有限公司 | A kind of lining of automobile front axle bulb assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015418A (en) | 2016-10-12 |
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