CN216343675U - Bidirectional large-bearing rod piece type vibration damper - Google Patents
Bidirectional large-bearing rod piece type vibration damper Download PDFInfo
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- CN216343675U CN216343675U CN202122577218.1U CN202122577218U CN216343675U CN 216343675 U CN216343675 U CN 216343675U CN 202122577218 U CN202122577218 U CN 202122577218U CN 216343675 U CN216343675 U CN 216343675U
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Abstract
The utility model discloses a bidirectional large-bearing rod piece type vibration damper. The damping device comprises an outer sleeve, wherein a limiting convex shoulder is arranged on the inner wall of the middle section of the outer sleeve, a fork lug connector is inserted into the head end of the outer sleeve, a bent edge inner ring I and a bent edge inner ring II are fixed on a rod body of the outer sleeve, the fork lug connector extends into the rod body of the outer sleeve, a damping assembly is sleeved on the rod body between the bent edge inner rings I and II, the head end of the damping assembly is axially limited by a round nut screwed with the head end of the outer sleeve, and the tail end of the damping assembly is axially limited by the limiting convex shoulder; the damping component comprises flange circular rings which are sequentially sleeved on a fork ear joint rod body along the axial direction and located between a bent edge inner ring I and a bent edge inner ring II, damping sleeves are arranged between flanges of adjacent flange circular rings and between the bent edge inner ring and the flange close to the adjacent flange circular ring, damping support sheets are arranged on the peripheries of the damping sleeves, and damping support circular rings are arranged between the adjacent damping support sheets. The utility model has the characteristics of low requirement on installation precision, good bearing capacity and flexible and simple use.
Description
Technical Field
The utility model relates to the technical field of shock absorption, in particular to a bidirectional large-bearing rod piece type shock absorption device.
Background
The damping device is widely applied to automobiles and aerospace, and eliminates or reduces vibration and impact through damping parts such as hydraulic oil, springs and rubber, so that the effects of reducing noise, protecting the structures of automobiles, airplanes and spacecrafts, improving riding comfort and the like are achieved.
The hydraulic shock absorber is complex in structure, the spring shock absorber is poor in bidirectional shock absorption performance and high in cost, and besides the shock absorption requirement of the shock absorber in the aerospace field, the spring shock absorber is also required to be simple in structure, have high bidirectional bearing capacity and the like.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: a bidirectional large-bearing rod type vibration damper is provided. The utility model has the characteristics of low requirement on installation precision, good bearing capacity and flexible and simple use.
The technical scheme of the utility model is as follows: a bidirectional large-bearing rod piece type vibration damping device comprises an outer sleeve, wherein a limiting convex shoulder is arranged on the inner wall of the middle section of the outer sleeve, a fork lug connector is inserted into the head end of the outer sleeve, a bent edge inner ring I and a bent edge inner ring II are fixed on a rod body extending into the outer sleeve through the fork lug connector, a vibration damping assembly is sleeved on the rod body between the bent edge inner rings I and II, the head end of the vibration damping assembly is axially limited by a round nut screwed with the head end of the outer sleeve, and the tail end of the vibration damping assembly is axially limited by the limiting convex shoulder; the damping component comprises flange circular rings which are sequentially sleeved on a fork ear joint rod body along the axial direction and located between a bent edge inner ring I and a bent edge inner ring II, damping sleeves are arranged between flanges of adjacent flange circular rings and between the bent edge inner ring and the flange close to the adjacent flange circular ring, damping support sheets are arranged on the peripheries of the damping sleeves, and damping support circular rings are arranged between the adjacent damping support sheets.
In the bidirectional large-bearing rod piece type vibration damping device, a limiting support ring is arranged between the damping support sheet at the head end of the damping component and the round nut, and the flange of the flange ring at the tail end of the damping component is abutted against the limiting convex shoulder.
In the two-way large-bearing-rod-piece type vibration damping device, the tail end of the fork lug connector is connected with an inner ring limiting nut for axially limiting the inner ring II with the bent edge.
In the two-way large-bearing rod type vibration damping device, the damping sleeve is made of vulcanized rubber, and the damping support sheet is made of a metal ring sheet.
In the bidirectional large-bearing-rod-piece type vibration damping device, the tail end of the outer sleeve is connected with the adjusting sleeve through the internal thread I arranged on the inner wall of the outer sleeve.
In the bidirectional large-bearing rod piece type vibration damper, the adjusting sleeve is connected with the single-lug joint through the internal thread II arranged on the inner wall of the adjusting sleeve.
In the two-way large-bearing-rod-piece type vibration damping device, the internal threads I and II are reverse threads.
In the bidirectional large-bearing rod type vibration damping device, the adjusting sleeve and the single-lug connector are respectively screwed with a flat nut I and a flat nut II.
The utility model has the advantages that: the bidirectional large-bearing rod piece type vibration damping device realizes bidirectional vibration damping and bearing through the rubber vibration damping pad, and can meet the requirements of different bearing capacities by increasing or reducing the number of flange rings, vibration damping sleeves and vibration damping support rings in the vibration damping assembly; the adjustable sleeve with the internal thread and the external thread can conveniently realize the accurate adjustment of the length of the rod body, can reduce the precision requirement in installation, ensures that the rod piece has no additional stress generated by forced assembly, and adjusts the position and the state of the supporting piece by adjusting the length of the rod piece after the installation is finished; and the bearing device can bear the severe load environment of the supporting piece and has better bearing capacity. Meanwhile, the fatigue performance of the mechanism is effectively improved by adopting the MJ threads, through the design of the left and right threads, the rod piece does not need to be separated when the length is adjusted, and meanwhile, the fork lug joint can be taken out to adjust the damping component by unscrewing the round nut, so that the use is simple and flexible.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals: 1-fork lug joint, 2-round nut, 3-outer sleeve, 4-flanging inner ring I, 5-flange ring, 6-limit support ring, 7-shock-absorbing support ring, 8-shock-absorbing sleeve, 9-flanging inner ring II, 10-inner ring limit nut, 11-flat nut I, 12-adjusting sleeve, 13-flat nut II, 14-single lug joint, 15-fuse hole, 16-limit shoulder, 17-shock-absorbing support piece, 18-internal thread I, 19-internal thread II.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Example 1. A bidirectional large-bearing rod type vibration damper is shown in figure 1 and comprises a fork lug connector 1, a round nut 2, an outer sleeve 3, a flanging inner ring I4, a flange ring 5, a limiting support ring 6, a damping support ring 7, a damping sleeve 8, a flanging inner ring II 9, an inner ring limiting nut 10, a flat nut I11, an adjusting sleeve 12, a flat nut II 13, a single lug connector 14 and a safety hole 15. The limit inner ring I4, the flange ring 5, the limit support ring 6, the shock absorption support ring 7, the rubber shock absorption sleeve 8 and the limit inner ring II 9 are installed on the fork lug connector 1 in series and fixed through the inner ring limit nut 10, and the limit support ring 6, the shock absorption support ring 7 and the metal ring of the shock absorption sleeve 8 are fixed on the outer sleeve 3 through the round nut 2.
The adjusting sleeve 12 is respectively connected with the outer sleeve 3 and the single-lug connector 14 through inner and outer MJ threads, the adjusting sleeve 12 and the single-lug connector 14 are provided with a flat nut I11, an adjusting sleeve 12 and a flat nut II 13 which are fastened, and the outer sleeve 3, the flat nut I11, the adjusting sleeve 12 and the flat nut II 13 are respectively provided with a safety hole 15; after the length is adjusted, the length of the damping device can be locked by tightly screwing a round nut and making a safety;
the rubber shock pad through middle vulcanized metal ring has realized two-way shock attenuation and has born to the accessible increases or reduces the demand that shock pad quantity satisfied different bearing capacities.
The outer sleeve 3 is internally provided with a section of MJ thread, the adjusting sleeve 12 is internally and externally provided with a section of MJ thread, the single lug joint 14 is provided with a section of MJ thread, the fatigue performance of the observable length adjusting mechanism can be effectively improved, and the length adjusting mechanism is not easy to damage. The adjusting sleeve 12 is in right-hand threaded connection with the outer sleeve 3, and the adjusting sleeve 12 is in left-hand threaded connection with the single lug connector 14, so that rod pieces do not need to be separated when the length is adjusted, and the operation is convenient.
When the bidirectional large-bearing rod piece type vibration damper is used, the flat nut I11 and the flat nut II 13 are loosened, the adjusting sleeve 12 is screwed clockwise by a spanner, and the length of the rod piece is reduced; the adjusting sleeve 12 is screwed anticlockwise, the length is increased, and the flat nut II 13 is confirmed to have exposed thread allowance through the observation hole in the adjusting process.
After the length adjustment is finished, the flat nut I11 and the flat nut II 13 are respectively screwed, the length adjusting mechanism is locked, and the fuse wires are respectively used for fusing the outer sleeve 3 and the flat nut I11, and fusing the fuse wire holes 15 at the ends of the adjusting sleeve 12 and the flat nut II 13.
Example 2. A bidirectional large-bearing rod type vibration damper comprises an outer sleeve 3, wherein a limiting convex shoulder 16 is arranged on the inner wall of the middle section of the outer sleeve 3, a fork ear joint 1 is inserted into the head end of the outer sleeve 3, a bent inner ring I4 and a bent inner ring II 9 are fixed on a rod body of the fork ear joint 1 extending into the outer sleeve 3, a vibration damping assembly is sleeved on the rod body between the bent inner rings I and II, the head end of the vibration damping assembly is axially limited by a round nut 2 screwed with the head end of the outer sleeve 3, and the tail end of the vibration damping assembly is axially limited by the limiting convex shoulder 16; damping component including cup joint in proper order along the axial on the body of rod of fork ear joint 1, be in flange ring 5 between crimp inner ring I, II, between the flange of adjacent flange ring 5 and crimp inner ring and lean on adjacent flange ring 5 the flange between all be equipped with damping sleeve 8, damping sleeve 8's periphery also has shock attenuation backing sheet 17, is equipped with shock attenuation backing sheet 7 between adjacent shock attenuation backing sheet 17.
A limit support ring 6 is arranged between a shock absorption support sheet 17 at the head end of the shock absorption assembly and the round nut 2, and a flange of a flange ring 5 at the tail end of the shock absorption assembly is abutted against a limit shoulder 16.
The tail end of the fork lug joint 1 is connected with an inner ring limiting nut 10 for axially limiting the bent inner ring II 9.
The aforementioned damper sleeve 8 is made of vulcanized rubber, and the damper support piece 17 is made of a metal ring piece.
The tail end of the outer sleeve 3 is connected with the adjusting sleeve 12 through an internal thread I18 arranged on the inner wall of the outer sleeve.
The adjusting sleeve 12 is connected to the single lug 14 via an internal thread ii 19 provided on its inner wall.
The internal threads I and II are reverse threads.
The adjusting sleeve 12 and the single lug joint 14 are respectively screwed with a flat nut I11 and a flat nut II 13.
Claims (8)
1. A bidirectional large-bearing rod type vibration damper is characterized by comprising an outer sleeve (3), wherein a limiting convex shoulder (16) is arranged on the inner wall of the middle section of the outer sleeve (3), a fork lug connector (1) is inserted into the head end of the outer sleeve (3), a bent edge inner ring I (4) and a bent edge inner ring II (9) are fixed on a rod body of the fork lug connector (1) extending into the outer sleeve (3), a vibration damping component is sleeved on the rod body between the bent edge inner rings I and II, the head end of the vibration damping component is axially limited by a round nut (2) screwed with the head end of the outer sleeve (3), and the tail end of the vibration damping component is axially limited by the limiting convex shoulder (16); damping component including cup joint in proper order along the axial on the fork ear connects the body of rod, be in flange ring (5) between crimp inner ring I, II, between the flange of adjacent flange ring (5) and the crimp inner ring all be equipped with shock attenuation cover (8) with between the flange by adjacent flange ring (5), the periphery of shock attenuation cover (8) has shock attenuation backing sheet (17) still, be equipped with shock attenuation backing sheet (7) between adjacent shock attenuation backing sheet (17).
2. The device according to claim 1, wherein a limit support ring (6) is arranged between the shock support plate (17) at the head end of the shock-absorbing assembly and the round nut (2), and the flange of the flange ring (5) at the tail end of the shock-absorbing assembly abuts against the limit shoulder (16).
3. The two-way large load bearing rod type vibration damper according to claim 1, characterized in that the tail end of the fork lug joint (1) is connected with an inner ring limit nut (10) for axially limiting the inner ring II (9) of the crimp.
4. A bi-directional large load bearing rod type vibration damping device according to claim 1, characterized in that the damping sleeve (8) is made of vulcanized rubber and the damping support plate (17) is made of a metal ring plate.
5. A bi-directional large load-bearing rod-type vibration damping device according to claim 1, characterized in that the tail end of the outer sleeve (3) is connected to the adjustment sleeve (12) by means of an internal thread i (18) provided on its inner wall.
6. The device according to claim 5, characterized in that the adjustment sleeve (12) is connected to the single lug (14) by means of an internal thread II (19) provided on its inner wall.
7. The bi-directional large load bearing rod type vibration damper according to claim 6, wherein the internal threads I and II are reverse threads.
8. The device according to claim 6, wherein the adjusting sleeve (12) and the single lug joint (14) are respectively screwed with a flat nut I (11) and a flat nut II (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122577218.1U CN216343675U (en) | 2021-10-25 | 2021-10-25 | Bidirectional large-bearing rod piece type vibration damper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122577218.1U CN216343675U (en) | 2021-10-25 | 2021-10-25 | Bidirectional large-bearing rod piece type vibration damper |
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Publication Number | Publication Date |
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CN216343675U true CN216343675U (en) | 2022-04-19 |
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CN202122577218.1U Active CN216343675U (en) | 2021-10-25 | 2021-10-25 | Bidirectional large-bearing rod piece type vibration damper |
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CN (1) | CN216343675U (en) |
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2021
- 2021-10-25 CN CN202122577218.1U patent/CN216343675U/en active Active
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