CN211924722U - Rubber joint of locking installation - Google Patents
Rubber joint of locking installation Download PDFInfo
- Publication number
- CN211924722U CN211924722U CN201922361478.8U CN201922361478U CN211924722U CN 211924722 U CN211924722 U CN 211924722U CN 201922361478 U CN201922361478 U CN 201922361478U CN 211924722 U CN211924722 U CN 211924722U
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- mounting hole
- mounting
- rubber joint
- shaft shoulder
- distance
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Abstract
The utility model relates to a rubber joint of locking installation, including dabber and overcoat, dabber axial length direction's center is equipped with the sphere and arches, be equipped with the rubber layer between sphere arch and the overcoat, the dabber both ends are equipped with the link, the link is equipped with the mounting hole of radial setting, the center pin of mounting hole intersects perpendicularly with the center pin of dabber, the link side that mounting hole axial both sides correspond is equipped with the mounting plane respectively, be equipped with asymmetric step shaft shoulder between the mounting plane of same mounting hole both sides and the sphere arch, wherein the shoulder end of the step shaft shoulder of one side is less than the step shaft shoulder of opposite side and the distance D2 at mounting hole center with the distance D1 of mounting hole center pin, the shaft shoulder that the distance D1 corresponds supports for mounting nut supports to lean on the end, a laminating of the lateral surface of the hexagon nut for fastening the mounting hole is. The utility model discloses a rubber joint sets up asymmetric shaft shoulder structure through the mounting hole both sides at rubber joint link for mounting nut's locking is supported and is leaned on.
Description
Technical Field
The utility model relates to a rubber shock absorber device technical field, in particular to rubber joint of locking installation.
Background
The rubber joint is a key component of the oil pressure shock absorber and comprises a mandrel, wherein the middle part of the mandrel is provided with an outer arched cambered surface, the periphery of the cambered surface is provided with a metal outer sleeve, and a rubber layer is extruded between the metal outer sleeve and the cambered surface of the mandrel. The rubber joint is mostly arranged at a strong vibration part and is used for the installation and connection of a damping part. The two ends of the mandrel of the rubber joint extend out of the outer sleeve, connecting ends are arranged at the two ends of the mandrel respectively, mounting holes perpendicular to the central shaft are formed in the connecting ends, and the mounting holes are connected with mounting parts through bolt and nut structures in a mounted mode. The rubber joint after the fastening installation is in the long-term use environment that shakes, and the bolt nut structure of connecting is easily become flexible and causes the rubber joint to connect the inefficacy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the easy not hard up problem that exists in the rubber joint installation among the prior art in using, provide the rubber joint of locking installation, set up asymmetric shaft shoulder structure through the mounting hole both sides at the rubber joint link, realize the installation of relaxing of rubber joint.
The utility model aims to realize that the anti-loose rubber joint comprises a mandrel and an outer sleeve, the center of the mandrel in the axial length direction is provided with a spherical arch, a rubber layer is arranged between the spherical arch and the outer sleeve, the two ends of the mandrel are provided with connecting ends, the connecting ends are provided with mounting holes arranged in the radial direction, it is characterized in that the central axis of the mounting hole is vertically crossed with the central axis of the mandrel, the side surfaces of the corresponding connecting ends at the two axial sides of the mounting hole are respectively provided with a mounting plane, an asymmetric step shaft shoulder is arranged between the mounting plane at the two sides of the same mounting hole and the spherical arch, wherein the distance D1 between the shoulder end of the step shoulder on one side and the central axis of the mounting hole is smaller than the distance D2 between the step shoulder on the other side and the center of the mounting hole, the shaft shoulder that distance D1 corresponds supports for the locking end that leans on of mounting nut for the laminating of the lateral surface of the hexagon nut of fastening mounting hole supports and leans on.
In the rubber joint structure of the utility model, an asymmetric shaft shoulder structure is arranged at the connecting end, wherein, the shaft shoulder at one side is used for attaching and fixing the fastening nut, thereby preventing the nut from loosening in the vibration use process; meanwhile, in the installation and fastening of the rubber joint, the installation nut is attached to and abutted against the shaft shoulder, when the screw is fastened from the other side of the installation hole, the installation nut side does not need to be additionally provided with an anti-rotation paving tool, and the installation and fastening operation can be completed by screwing the installation nut on one side. Therefore, the utility model discloses a rubber joint structure of locking installation has simple to operate, swift, effectively prevents the not hard up beneficial effect of nut in the use.
In order to ensure that the mounting nut is tightly attached to the shaft shoulder in place, the root of the shaft shoulder corresponding to the distance D1 is provided with a transition groove.
Further, the mounting nuts of the connecting ends at the two ends of the mandrel are anti-loose and abutted against the ends to be located in the same lateral direction.
Drawings
Fig. 1 is a schematic structural diagram of a rubber joint in the prior art.
Fig. 2 is a front view of the anti-loose rubber joint of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic view of the mounting position of the mounting nut.
Fig. 5 is a left side view of fig. 4.
Wherein, 1 mandrel; 101, mounting holes; 102 a mounting plane; 103 transition grooves; 104 step shaft shoulder; 2, coating a jacket; 3 a rubber layer; and 4, mounting the nut.
Detailed Description
As shown in figures 2-5, the anti-loose rubber joint of the utility model comprises a mandrel 1 and an outer sleeve 2, a spherical arch is arranged at the center of the mandrel 1 in the axial length direction, a rubber layer 3 is arranged between the spherical arch and the outer sleeve 102, connecting ends are arranged at both ends of the mandrel 1, the connecting ends are provided with mounting holes 101 arranged in the radial direction, the central axis of the mounting hole 101 is vertically crossed with the central axis of the mandrel 1, the side faces of the corresponding connecting ends at two axial sides of the mounting hole 101 are respectively provided with a mounting plane 102, an asymmetric step shaft shoulder 104 is arranged between the mounting plane 102 at two sides of the same mounting hole 101 and the spherical arch, the distance D1 between the shoulder end of the step shoulder 104 on one side and the central axis of the mounting hole is smaller than the distance D2 between the step shoulder on the other side and the center of the mounting hole, and the step shoulder 104 corresponding to the distance D1 is an anti-loose abutting end of the mounting nut 4 and is used for abutting against the outer side face of the hexagonal nut for fastening the mounting hole 101.
In order to ensure that the mounting nut 4 is tightly attached to the stepped shaft shoulder 104 in place, a transition groove 103 is formed in the root of the stepped shaft shoulder 104 corresponding to the distance D1.
For convenient installation and connection, the mounting nuts of the connecting ends at the two ends of the mandrel 1 are anti-loose and abutted against the ends to be positioned in the same lateral direction.
In the rubber joint structure of the utility model, an asymmetric step shaft shoulder structure is arranged at the connecting end, wherein the shaft shoulder at one side is used for attaching and fixing the outer hexagonal side edge of the mounting nut 4, thereby preventing the nut from loosening in the vibration use process; meanwhile, in the installation and fastening of the rubber joint, the installation nut 4 is attached to and abutted against the shaft shoulder, when the screw is fastened from the other side of the installation hole 101, the installation nut 4 side does not need to be additionally provided with an anti-rotation paving tool, and the installation and fastening operation can be completed by screwing the installation nut on one side. Therefore, the utility model discloses a rubber joint structure of locking installation has simple to operate, swift, effectively prevents the not hard up beneficial effect of nut in the use.
Claims (3)
1. A rubber joint capable of preventing looseness comprises a mandrel and an outer sleeve, wherein a spherical arch is arranged at the center of the mandrel in the axial length direction, a rubber layer is arranged between the spherical arch and the outer sleeve, connecting ends are arranged at two ends of the mandrel, the connecting ends are provided with mounting holes arranged in the radial direction, it is characterized in that the central axis of the mounting hole is vertically crossed with the central axis of the mandrel, the side surfaces of the corresponding connecting ends at the two axial sides of the mounting hole are respectively provided with a mounting plane, an asymmetric step shaft shoulder is arranged between the mounting plane at the two sides of the same mounting hole and the spherical arch, wherein the distance D1 between the shoulder end of the step shoulder on one side and the central axis of the mounting hole is smaller than the distance D2 between the step shoulder on the other side and the center of the mounting hole, the shaft shoulder that distance D1 corresponds supports for the locking end that leans on of mounting nut for the laminating of the lateral surface of the hexagon nut of fastening mounting hole supports and leans on.
2. The anti-loose rubber joint according to claim 1, wherein the root of the shoulder corresponding to the distance D1 is provided with a transition groove.
3. The anti-loose rubber joint according to claim 1, wherein the anti-loose abutting ends of the mounting nuts of the connecting ends at both ends of the mandrel are located in the same lateral direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922361478.8U CN211924722U (en) | 2019-12-25 | 2019-12-25 | Rubber joint of locking installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922361478.8U CN211924722U (en) | 2019-12-25 | 2019-12-25 | Rubber joint of locking installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924722U true CN211924722U (en) | 2020-11-13 |
Family
ID=73326514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922361478.8U Active CN211924722U (en) | 2019-12-25 | 2019-12-25 | Rubber joint of locking installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924722U (en) |
-
2019
- 2019-12-25 CN CN201922361478.8U patent/CN211924722U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |