CN203146582U - Composite bushing connection device - Google Patents
Composite bushing connection device Download PDFInfo
- Publication number
- CN203146582U CN203146582U CN 201320064312 CN201320064312U CN203146582U CN 203146582 U CN203146582 U CN 203146582U CN 201320064312 CN201320064312 CN 201320064312 CN 201320064312 U CN201320064312 U CN 201320064312U CN 203146582 U CN203146582 U CN 203146582U
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- CN
- China
- Prior art keywords
- metallic sheath
- sliding layer
- sleeve
- pin shaft
- metal sliding
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a composite bushing connection device which comprises a pin shaft, a shaft sleeve configured with the outer diameter of the pin shaft, and a fixing bracket used for fixing the pin shaft; the shaft sleeve comprises an inner metal sleeve, an outer metal sleeve and an elastic layer arranged between the inner metal sleeve and the outer metal sleeve; the shaft sleeve also comprises a metal sliding layer arranged at the inner side of the inner metal sleeve; the metal sliding layer is rotatablely sheathed on the pin shaft; and a gap is reserved between the end surface of the shaft sleeve and the inner wall of the fixing bracket. The composite bushing connection device separates the functions of radial bearing and axial rotating, so that the movement of the axis of the pin shaft is realized by virtue of the relative rotation between the metal sliding layer and the pin shaft; and therefore, on the one hand, the shaft sleeve can freely rotate around the pin shaft along with an external moving part, and the friction between the inner metal sleeve and the pin shaft can be avoided, and on the other hand, the elastic layer does not have the twisting function and only bears the radial load, thus having the buffer function.
Description
Technical field
The utility model relates to the automotive suspension system, relates in particular to the composite bush connection set that a kind of automotive suspension system uses.
Background technique
At present, metallic sheath 4, outer metallic sheath 2 in the composite bush that adopts of automotive suspension system comprises, be arranged in elasitic layer 3 between metallic sheath and the outer metallic sheath.Connect when using, make interior metallic sheath 4 end faces and fixed support 5 pass through friction fastening by clamping torque, outer metallic sheath 2 (can adopt modes such as interference fit or bonding to be connected) outside moving element 1(such as irs control arm, the connecting rod etc. that are connected), as shown in Figure 1.During work, realize that by reversing of elasitic layer 3 external movement parts 1 rotate with respect to the axis of bearing pin 6, simultaneously, elasitic layer is born radial load, plays buffer function.
Because metallic sheath can not bear big friction in existing, so interior metallic sheath is fixed on the fixed support, the wearing and tearing of metallic sheath in preventing, thereby realize that by reversing of elasitic layer the external movement parts rotate with respect to the axis of bearing pin, this axle sleeve linkage structure, its rotational angle range is limited, is difficult to realize the wide-angle motion of moving element.Therefore in order to increase the rotation angle of moving element, need to increase the thickness of elasitic layer usually, but the radially bearing capacity of elasitic layer can descend with the increase of its thickness, and the increase of thickness is higher to the space layout requirement.
Therefore present composite bush connection set can't be realized big radially carrying and big axial torsion function simultaneously, and the lifting of suspension system correlated performance has been produced certain restriction.
China utility model patent (notice of authorization CN2876434Y, day for announcing 2007.03.07) a kind of split type resilient bushing is also disclosed, by elastic sleeve, plastics spacer and plastic bushing are formed, the two ends, the left and right sides of the external diameter of plastic bushing respectively dispose a plastics spacer, the internal diameter of plastic bushing external diameter and plastics spacer is set to be rotatably assorted, outer diameter configuration one elastic sleeve of plastics spacer, the external diameter of plastics spacer and the internal diameter of elastic sleeve are set to interference fit, the external diameter of the coupling shaft of automotive suspension swing arm and the internal diameter of plastic bushing are set to interference fit, when suspension swing arm swung up and down, only plastics spacer and plastic bushing relatively rotated.Though the hunting range of suspension swing arm is unrestricted, but because employing is the non-metallic friction contact, nonmetal wear-resisting property is poor on the one hand, be applicable to light-dutyer Motor Vehicle, need to install a sealing configuration in order to prevent that foreign material from entering on the other hand, and need increase the plastic bushing of interference fit with it at axle, the inboard formation of the outer surface by plastic bushing and miscellaneous part is rotatably assorted, complex structure and lack durable reliability.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned defective, and a kind of composite bush connection set that separates with the axial rotation function that radially carries is provided.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of composite bush connection set is provided, bearing pin, the axle sleeve with the bearing pin outer diameter configuration, the fixed support of fixed pin shaft, described axle sleeve comprises interior metallic sheath, outer metallic sheath, is arranged on the elasitic layer between interior metallic sheath and the outer metallic sheath, described axle sleeve also comprises the metal sliding layer that is arranged on interior metallic sheath inboard, and the metal sliding layer is nested with rotationally on bearing pin; Gapped between the end face of described axle sleeve and the fixed support inwall.
Described metal sliding layer is fixedly connected on interior metallic sheath inboard.
Described metal sliding layer and interior metallic sheath are one-body molded.
The external diameter of described metal sliding layer and the internal diameter of interior metallic sheath are set to interference fit.
Described metal sliding layer is fixedlyed connected with interior metallic sheath by the mode of bonding.
The utility model compared with prior art, beneficial effect is: the inboard at the interior metallic sheath of axle sleeve increases the metal sliding layer, and the end face of axle sleeve is not conflicted fixing with fixed support, but axle sleeve relative fixed support unrestricted motion, this composite bush connection set has been realized radially carrying and the separating of axial rotation function, therefore around the motion of the bearing pin axis realization that relatively rotates by metal sliding layer and bearing pin, on the one hand guaranteed that axle sleeve can rotate around bearing pin arbitrarily with the moving element of outside, also avoided the friction of interior metallic sheath and bearing pin, elasitic layer is no longer born and is reversed function on the other hand, only bear radial load, play buffer function, can suitably select the thickness of elasitic layer, realize big radially bearing capacity, and it is simple in structure, easy for installation, be particularly useful for heavy vehicle.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is existing composite bush connection set sectional view;
Fig. 2 is the sectional view of composite bush connection set of the present utility model;
Fig. 3 is the sectional view of another kind of composite bush connection set of the present utility model.
Embodiment
As shown in Figure 2, a kind of composite bush connection set, comprise bearing pin 12, with the axle sleeve of bearing pin 12 outer diameter configuration, the fixed support 11 of fixed pin shaft 12, this axle sleeve comprise interior metallic sheath 14, outer metallic sheath 7 constitute, be connected between metallic sheath and the outer metallic sheath elasitic layer 9 and be fixedly connected on the metal sliding layer 13 of interior metallic sheath 14 inboards.In the present embodiment, metal sliding layer 13 internal diameters and bearing pin 12 external diameters are set to be rotatably assorted, and make the metal sliding layer be nested with rotationally on bearing pin; Leave the gap between the end face 15 of axle sleeve and fixed support 11 inwalls simultaneously, making between axle sleeve and the fixed support 11 can relative movement, need not to adopt tightening force to carry out relative fixed by the end friction, reduced the wearing and tearing between axle sleeve end face 15 and the fixed support 11; Fixedly connected by forms such as interference fit or bondings between metal sliding layer 13 and the interior metallic sheath 14; Outer metallic sheath 7 (can adopt modes such as interference fit or bonding to be connected) outside moving element 10(such as irs control arm, the connecting rod etc. that are connected), identical with traditional Placement.
Inboard at the interior metallic sheath 14 of axle sleeve increases metal sliding layer 13, and the end face 15 of axle sleeve is not conflicted fixing with fixed support 11, but axle sleeve relative fixed support unrestricted motion, this connection set has guaranteed that axle sleeve can rotate around bearing pin arbitrarily with the moving element 10 of outside, has realized radially carrying and the separating of axial rotation function.And elasitic layer 9 is no longer born in entire work process and is reversed function, only bear radial load, play buffer function, finally reach the purpose that improves the suspension correlated performance and prolong the axle sleeve operating life, and can realize big radially bearing capacity by suitably selecting the thickness of elasitic layer.The inboard of interior metallic sheath increases the metal sliding layer, has avoided the friction of interior metallic sheath and bearing pin, has overcome the defective that existing interior metallic sheath can not bear big friction.This composite bush connection set is particularly useful for heavy vehicle-mounted.
As shown in Figure 3, it is as a whole 8 that the interior metallic sheath of this composite bush connection set and metal sliding layer can one-body moldedly be done, and this integral body 8 namely can play a supportive role, and also can play sliding function, has simplified structure and the Placement of composite bush connection set.
Certainly according to the load bearing requirements at the concrete position of use of composite bush connection set, light-dutyer vehicle for example, the sliding layer of installation also can adopt nonmetal sliding layer.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection domain of the present utility model.
Claims (5)
1. composite bush connection set, comprise bearing pin, the axle sleeve with the bearing pin outer diameter configuration, the fixed support of fixed pin shaft, described axle sleeve comprises interior metallic sheath, outer metallic sheath, is arranged on the elasitic layer between interior metallic sheath and the outer metallic sheath, it is characterized in that, described axle sleeve also comprises the metal sliding layer that is arranged on interior metallic sheath inboard, and the metal sliding layer is nested with rotationally on bearing pin; Gapped between the end face of described axle sleeve and the fixed support inwall.
2. composite bush connection set according to claim 1 is characterized in that, described metal sliding layer is fixedly connected on interior metallic sheath inboard.
3. composite bush connection set according to claim 1 is characterized in that, described metal sliding layer and interior metallic sheath are one-body molded.
4. composite bush connection set according to claim 2 is characterized in that, the external diameter of described metal sliding layer and the internal diameter of interior metallic sheath are set to interference fit.
5. composite bush connection set according to claim 2 is characterized in that, described metal sliding layer is fixedlyed connected with interior metallic sheath by the mode of bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064312 CN203146582U (en) | 2013-02-04 | 2013-02-04 | Composite bushing connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064312 CN203146582U (en) | 2013-02-04 | 2013-02-04 | Composite bushing connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146582U true CN203146582U (en) | 2013-08-21 |
Family
ID=48974108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320064312 Expired - Lifetime CN203146582U (en) | 2013-02-04 | 2013-02-04 | Composite bushing connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043559A (en) * | 2019-05-22 | 2019-07-23 | 山东豪迈机械制造有限公司 | Sliding bearing support construction, slide bearing assembly and reactor |
-
2013
- 2013-02-04 CN CN 201320064312 patent/CN203146582U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043559A (en) * | 2019-05-22 | 2019-07-23 | 山东豪迈机械制造有限公司 | Sliding bearing support construction, slide bearing assembly and reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |