CN108050191B - Annular metal rubber vibration isolator - Google Patents
Annular metal rubber vibration isolator Download PDFInfo
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- CN108050191B CN108050191B CN201711332975.4A CN201711332975A CN108050191B CN 108050191 B CN108050191 B CN 108050191B CN 201711332975 A CN201711332975 A CN 201711332975A CN 108050191 B CN108050191 B CN 108050191B
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- metal
- rubber vibration
- ring
- shaped
- arc
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
Abstract
The invention discloses a circular metal rubber vibration isolator. The circular metal rubber vibration isolator comprises a metal inner ring, a metal outer ring, an arc metal rubber vibration damping strip and a countersunk head screw; one of the metal inner ring or the metal outer ring is used for mounting the equipment to be subjected to vibration isolation; the metal inner ring and the metal outer ring surround to form a cavity; the arc metal rubber vibration damping strip is arranged in the cavity; the arc-shaped metal rubber vibration damping strip is clamped between the metal inner ring and the metal outer ring in a pre-tightening mode; a threaded hole is formed in the metal inner ring or the metal outer ring and used for arranging the countersunk head screw; the countersunk head screw is used for preventing the arc metal rubber vibration damping strip from sliding in the cavity. The circular metal rubber vibration isolator is simple in structure, small in part quantity and convenient to use. The circular metal rubber vibration isolator is closely assembled, so that the cross section of the circular metal rubber vibration isolator is small in size and convenient to install.
Description
Technical Field
The invention relates to the technical field of vibration isolators, in particular to a circular metal rubber vibration isolator.
Background
Structures such as missile-borne optical tracking instruments and torpedo engines in engineering application belong to cylindrical equipment, vibration isolation installation is needed to be carried out on the cylindrical equipment due to interference of various vibration factors, and the installation space is small. Due to the limitation of structural space, the vibration isolator with narrow installation space of cylindrical equipment is lacking at present. Therefore, it is highly desirable to design a circular ring-shaped metal rubber vibration isolator with a small cross-sectional dimension for vibration isolation installation application of cylindrical equipment.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a circular ring-shaped metal rubber vibration isolator that overcomes or at least alleviates at least one of the above-mentioned disadvantages of the prior art.
In order to achieve the purpose, the invention provides a circular metal rubber vibration isolator which comprises a metal inner ring, a metal outer ring, an arc metal rubber vibration damping strip and a countersunk screw;
one of the metal inner ring or the metal outer ring is used for mounting a device to be subjected to vibration isolation;
the metal inner ring and the metal outer ring surround to form a cavity;
the arc-shaped metal rubber vibration damping strip is arranged in the cavity;
the arc-shaped metal rubber vibration damping strip is clamped between the metal inner ring and the metal outer ring in a pre-tightening mode;
a threaded hole is formed in the metal inner ring or the metal outer ring and used for arranging the countersunk head screw;
the countersunk head screw is used for preventing the arc metal rubber vibration damping strip from sliding in the cavity.
Preferably, the section of the metal inner ring is U-shaped; the metal outer ring is divided into two sections, one section is provided with a U-shaped groove, and the other section is L-shaped;
the countersunk head screw is arranged on the L-shaped section.
Preferably, the U-shaped groove of the metal outer ring has two opposite sides and a bent portion connecting the two sides.
Preferably, the number of the countersunk head screws is multiple, and the countersunk head screws are arranged at intervals.
Preferably, the number of the arc-shaped metal rubber vibration damping strips is multiple.
Preferably, the number of the arc-shaped metal rubber vibration damping strips is 7.
Preferably, the pre-tightening force of the arc-shaped metal rubber vibration damping strip clamped between the metal inner ring and the metal outer ring is 0.5 mm.
The circular metal rubber vibration isolator is simple in structure, small in part quantity and convenient to use. The circular metal rubber vibration isolator is closely assembled, so that the cross section of the circular metal rubber vibration isolator is small in size and convenient to install. The radial dimension of the ring can be designed according to specific conditions, and the ring can meet the requirements of vibration reduction and installation of various cylindrical devices. The metal rubber vibration damping strip has the advantages of good vibration damping characteristic, strong bearing capacity, good vibration damping effect and long service life. The natural frequency of the circular metal rubber vibration isolator can be adjusted by adjusting the density of the metal rubber vibration damping strips, and the use requirement of a harsh environment can be met.
Drawings
Fig. 1 is a schematic structural view of a circular ring-shaped metal rubber vibration isolator according to a first embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of the circular ring-shaped metal rubber vibration isolator shown in fig. 1.
Fig. 3 is a schematic structural diagram of a metal outer ring in the circular ring-shaped metal rubber vibration isolator shown in fig. 1.
Reference numerals:
| 1 | metal |
4 | Countersunk |
| 2 | Metal outer ring | 5 | |
| 3 | Arc metal rubber vibration damping strip |
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Fig. 1 is a schematic structural view of a circular ring-shaped metal rubber vibration isolator according to a first embodiment of the present application. Fig. 2 is a schematic cross-sectional view of the circular ring-shaped metal rubber vibration isolator shown in fig. 1. Fig. 3 is another structural schematic diagram of the circular ring-shaped metal rubber vibration isolator shown in fig. 1.
The circular ring-shaped metal rubber vibration isolator as shown in fig. 1 comprises a metal inner ring 1, a metal outer ring 2, an arc-shaped metal rubber vibration damping strip 3 and a countersunk head screw 4; one of the metal inner ring 1 or the metal outer ring 2 is used for mounting equipment to be subjected to vibration isolation; the metal inner ring 1 and the metal outer ring 2 surround to form a cavity; an arc metal rubber vibration damping strip 3 is arranged in the cavity; the arc-shaped metal rubber vibration damping strip 3 is clamped between the metal inner ring 1 and the metal outer ring 2 in a pre-tightening mode; the metal inner ring 1 or the metal outer ring 2 is provided with a threaded hole which is used for arranging a countersunk head screw 4; the countersunk-head screw 4 is used to prevent the arc-shaped metal rubber damping strip 3 from sliding in the cavity. It can be understood that the inner diameter of the metal inner ring 1 is connected with the vibration isolation device, and the outer diameter of the metal outer ring 2 is connected with the foundation, and the inner diameter of the metal outer ring 2 is connected with the vibration isolation device, and the inner diameter of the metal inner ring 1 is connected with the foundation.
The circular metal rubber vibration isolator is simple in structure, small in part quantity and convenient to use. The circular metal rubber vibration isolator is closely assembled, so that the cross section of the circular metal rubber vibration isolator is small in size and convenient to install. The radial dimension of the ring can be designed according to specific conditions, and the ring can meet the requirements of vibration reduction and installation of various cylindrical devices. The metal rubber vibration damping strip has the advantages of good vibration damping characteristic, strong bearing capacity, good vibration damping effect and long service life. The natural frequency of the circular metal rubber vibration isolator can be adjusted by adjusting the density of the metal rubber vibration damping strips, and the use requirement of a harsh environment can be met.
Referring to fig. 1 to 3, in the present embodiment, the cross section of the inner metal ring is U-shaped; the metal outer ring is divided into two sections, one section is provided with a U-shaped groove 5, and the other section is L-shaped; the countersunk head screw is arranged on the L-shaped section. Specifically, the metal inner ring 1 is designed with a U-shaped groove 5 which is open outwards. The metal inner ring 1 is provided with a U-shaped groove 6 with an inward opening of 60 DEG, and the rest of 300 DEG is an open L-shaped groove.
Referring to fig. 3, in the present embodiment, the U-shaped groove of the metal outer ring has two opposite sides and a bent portion connecting the two sides. Referring to fig. 3, in the present embodiment, the metal outer ring is a closed ring, and the ring has 360 degrees, wherein a U-shaped groove is formed on a length (arc length) of 60 degrees, and the other 300 degrees are L-shaped grooves.
Referring to fig. 3, in the present embodiment, the number of the countersunk head screws is plural, and the countersunk head screws are arranged at intervals.
It is understood that the number of the arc-shaped metal rubber vibration damping strips is plural. The vibration damping effect and the density can be controlled by the difference of the number.
In the present embodiment, the number of the arc-shaped metal rubber damper strips is 4.
In this embodiment, the pre-tightening force of the arc-shaped metal rubber vibration-damping strip clamped between the metal inner ring and the metal outer ring is 0.5 mm. The section size of the structure is small, so that the required installation space is small, and the vibration isolation structure is suitable for vibration isolation installation of compact cylindrical equipment. It can be understood that the assembling pretension force is controlled to be about 0.5 mm. And a radial gap of about 2mm is reserved at the edge of the axial end face of the metal inner ring 1 and the metal outer ring 2.
Referring to fig. 2, in the present embodiment, a cavity is left between the metal outer ring 2 and the metal inner ring 1 after the metal outer ring and the metal inner ring are concentrically placed, four arc-shaped metal rubber vibration damping strips 3 are uniformly filled in the cavity, and the metal rubber vibration damping strips 3 can effectively isolate vibration and impact transmitted from a foundation.
In this embodiment, the cross section of the arc-shaped metal rubber vibration damping strip 3 is quadrilateral, and the radian is 89 degrees centigrade, which is divided into four sections. The vibration damping strip is uniformly wound and uniformly distributed in mass and is formed by pressing by using a special die.
In the embodiment, the metal rubber vibration damping strip 3 is clamped in the U-shaped grooves of the metal inner ring and the metal outer ring during assembly, and the axial sliding of the metal rubber vibration damping strip 3 is limited by the countersunk head screw 4 at the L-shaped section of the metal outer ring 2. And a radial gap of about 2mm is reserved at the edge of the axial end face of the metal inner ring 1 and the metal outer ring 2.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The circular metal rubber vibration isolator is characterized by comprising a metal inner ring (1), a metal outer ring (2), an arc metal rubber vibration damping strip (3) and a countersunk screw (4);
one of the metal inner ring (1) or the metal outer ring (2) is used for mounting equipment to be subjected to vibration isolation;
the metal inner ring (1) and the metal outer ring (2) surround to form a cavity;
the arc-shaped metal rubber vibration damping strip (3) is arranged in the cavity;
the arc-shaped metal rubber vibration damping strip (3) is clamped between the metal inner ring (1) and the metal outer ring (2) in a pre-tightening mode;
the metal inner ring (1) or the metal outer ring (2) is provided with a threaded hole, and the threaded hole is used for arranging the countersunk head screw (4);
the countersunk head screw (4) is used for preventing the arc metal rubber vibration damping strip (3) from sliding in the cavity;
the section of the metal inner ring is U-shaped; the metal outer ring is divided into two sections, one section is provided with a U-shaped groove (5), and the other section is L-shaped;
the countersunk head screw is arranged on the L-shaped section.
2. The circular ring-shaped metal-rubber vibration isolator as claimed in claim 1, wherein the U-shaped groove of the metal outer ring has two opposite sides and a bent portion connecting the two sides.
3. The circular ring-shaped metal rubber vibration isolator as claimed in claim 1, wherein the number of the countersunk head screws is plural, and the countersunk head screws are arranged at intervals.
4. The circular ring-shaped metal rubber vibration isolator as claimed in claim 1, wherein the number of the arc-shaped metal rubber damping strips is plural.
5. The circular ring-shaped metal rubber vibration isolator according to claim 4, wherein the number of the arc-shaped metal rubber damping strips is 4.
6. The circular ring-shaped metal rubber vibration isolator as claimed in claim 1, wherein the pre-tightening force of the arc-shaped metal rubber vibration-damping strip clamped between the inner metal ring and the outer metal ring is 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332975.4A CN108050191B (en) | 2017-12-13 | 2017-12-13 | Annular metal rubber vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332975.4A CN108050191B (en) | 2017-12-13 | 2017-12-13 | Annular metal rubber vibration isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108050191A CN108050191A (en) | 2018-05-18 |
| CN108050191B true CN108050191B (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711332975.4A Active CN108050191B (en) | 2017-12-13 | 2017-12-13 | Annular metal rubber vibration isolator |
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| Country | Link |
|---|---|
| CN (1) | CN108050191B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1788277A2 (en) * | 2005-11-18 | 2007-05-23 | Honeywell International Inc. | Isolation system for an inertial measurement unit |
| CN206257199U (en) * | 2016-11-15 | 2017-06-16 | 北京强度环境研究所 | A kind of all-metal is every rushing pad |
| CN206708277U (en) * | 2017-04-28 | 2017-12-05 | 福州大学 | A kind of composite damper |
| CN206708276U (en) * | 2017-04-28 | 2017-12-05 | 福州大学 | A kind of metal-rubber damper |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080003673U (en) * | 2007-02-28 | 2008-09-02 | 김용현 | Damper for a coil spring of the car |
| JP2012193756A (en) * | 2011-03-15 | 2012-10-11 | Nok Corp | Vibration control bush |
| ES2574806T3 (en) * | 2012-07-26 | 2016-06-22 | Trelleborgvibracoustic Gmbh | Bearing for cardan shaft |
| CN204664246U (en) * | 2015-05-04 | 2015-09-23 | 扬州兰扬弹簧制造有限公司 | Compound disc spring |
| CN106763475B (en) * | 2015-11-24 | 2018-10-19 | 成都奇航系统集成有限公司 | Array element type vibration isolator |
| CN106931060A (en) * | 2017-03-09 | 2017-07-07 | 华南理工大学 | A kind of plane torsion spring and method for elastic driving joint of connecting |
-
2017
- 2017-12-13 CN CN201711332975.4A patent/CN108050191B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1788277A2 (en) * | 2005-11-18 | 2007-05-23 | Honeywell International Inc. | Isolation system for an inertial measurement unit |
| CN206257199U (en) * | 2016-11-15 | 2017-06-16 | 北京强度环境研究所 | A kind of all-metal is every rushing pad |
| CN206708277U (en) * | 2017-04-28 | 2017-12-05 | 福州大学 | A kind of composite damper |
| CN206708276U (en) * | 2017-04-28 | 2017-12-05 | 福州大学 | A kind of metal-rubber damper |
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| Publication number | Publication date |
|---|---|
| CN108050191A (en) | 2018-05-18 |
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