CN204942383U - A kind of vibration damper - Google Patents
A kind of vibration damper Download PDFInfo
- Publication number
- CN204942383U CN204942383U CN201520661263.7U CN201520661263U CN204942383U CN 204942383 U CN204942383 U CN 204942383U CN 201520661263 U CN201520661263 U CN 201520661263U CN 204942383 U CN204942383 U CN 204942383U
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- CN
- China
- Prior art keywords
- disc
- loop bar
- piston rod
- vibration damper
- top bottom
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Abstract
The utility model provides a kind of vibration damper, belongs to field of mechanical technique.This vibration damper comprises top bottom-disc; Loop bar; Elastic component, elastic component one end is fixedly connected with loop bar outer side wall, and the other end is fixedly connected with top bottom-disc; Piston rod, piston rod one end is fixedly connected with top bottom-disc, and the other end vertically penetrates loop bar, and piston rod can move axially in loop bar.This vibration damper has the advantage that structure is simple, cushioning effect is good.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of vibration damper.
Background technique
Vibration damper (Absorber), concussion when vibration damper rebounds after being mainly used to suppress spring shock-absorbing and the impact from road surface.Through uneven road surface, although shock-absorbing spring can filter the vibrations on road surface, spring self also has to-and-fro motion, and vibration damper is just used to suppress this spring to jump.Vibration damper is too soft, and vehicle body will vertical bounce, and vibration damper will bring too large resistance too firmly, hinders spring normally to work.
Vibration damper and elastic element carry the task of buffer and damping, and damping force is excessive, and suspension flexibility will be made to degenerate, and even make vibration damper link damage.Thus adjustable elastic element and this contradiction of vibration damper is wanted.
(1) in compression stroke (vehicle bridge and vehicle frame close to each other), damping force of vibration damper is less, to give full play to the elastic reaction of elastic element, relaxes and impacts.At this moment, elastic element plays a major role.
(2) in suspension extension stroke (vehicle bridge and vehicle frame mutually away from), damping force of vibration damper should be large, rapid damping.
In sum, for solving the deficiency on existing shock absorber structure, need to design the vibration damper that a kind of structure is simple, cushioning effect is good.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the vibration damper that a kind of structure is simple, cushioning effect is good.
The purpose of this utility model realizes by following technical proposal: a kind of vibration damper, comprising:
Top bottom-disc;
Loop bar;
Elastic component, elastic component one end is fixedly connected with loop bar outer side wall, and the other end is fixedly connected with top bottom-disc;
Piston rod, piston rod one end is fixedly connected with top bottom-disc, and the other end vertically penetrates loop bar, and described piston rod can move axially in loop bar.
In above-mentioned a kind of vibration damper, described loop bar is positioned on the axis of elastic component, and described loop bar is that hollow cylindrical is arranged, and described piston rod is cylindric, and the external diameter size of described piston rod is slightly less than the internal diameter size of loop bar.
In above-mentioned a kind of vibration damper, top bottom-disc front-end cross-sectional view is in " recessed " font, top bottom-disc front end is coated with the gum cover of cross section in " π " type, described gum cover is plugged in top bottom-disc, lock chamber is formed between described gum cover and top bottom-disc front end, top bottom-disc rear end is provided with the upper spring seat in hollow hemisphere shape, and described upper spring seat is provided with plane bearing, forms elastic cavity between described plane bearing and upper spring seat.
In above-mentioned a kind of vibration damper, described piston rod is through elastic cavity, and described piston rod one end is arranged in lock chamber.
In above-mentioned a kind of vibration damper, top bottom-disc side is provided with the fastening foot be symmetrical set, each fastening foot one end inlay card is in top bottom-disc, and the other end stretches out along top bottom-disc side and forms the fixed feet parallel with low bottom-disc, and each fixed feet all offers fixed hole.
In above-mentioned a kind of vibration damper, described upper spring seat is provided with the top board radially arranged, and forms compression chamber between top board and spring seat, and top board front end curves inwardly and forms hook-shaped upper supporting piece, and elastic component inlay card is on upper supporting piece.
In above-mentioned a kind of vibration damper, described loop bar is installed with the low bottom-disc of cross section in " convex " font, described low bottom-disc comprises the fixing dish that is set on loop bar and to be connected with fixing dish and cross section is the lower support element of " L " type, and elastic component inlay card is on lower support element.
In above-mentioned a kind of vibration damper, cushion collar is provided with between plane bearing and low bottom-disc, described cushion collar comprises the first buffer part and the second buffer part, described first buffer part is set in piston rod front end, the surface of contact of the first buffer part and piston rod is provided with some inner groovies, first buffer part outer side surface is provided with outer groove, and described second buffer part is connected between the first buffer part and low bottom-disc, the coated loop bar of the second buffer part part.
In above-mentioned a kind of vibration damper, described loop bar end is provided with installation sheet, and described installation sheet cross section is in " U " font, and installation sheet part is coated on loop bar, and installation sheet side is equipped with some mounting holes.
Compared with prior art, the utility model structure is simple, and elastic component is arranged between loop bar and top bottom-disc, is reached the object of buffering by the flexible ability of elastic component and piston rod moving axially in loop bar, loop bar defines the direction of the motion of piston rod, reaches optimized buffer function; Loop bar and plunger rod contacts face are arc surface simultaneously, decrease damping, prevent stuck, good buffering function.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model one preferred embodiment.
Fig. 2 is the sectional view at A-A place.
In figure, 10, loop bar; 11, low bottom-disc; 111, fixing dish; 112, lower support element; 20, top bottom-disc; 21, gum cover; 22, lock chamber; 23, upper spring seat; 231, plane bearing; 232, top board; 233, upper supporting piece; 24, compression chamber; 25, elastic cavity; 26, fastening foot; 261, fixed feet; 262, fixed hole; 30, elastic component; 40, piston rod; 50, cushion collar; 51, the first buffer part; 511, inner groovy; 512, outer groove; 52, the second buffer part; 60, installation sheet; 61, mounting hole.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this vibration damper comprises
Top bottom-disc 20;
Loop bar 10;
Elastic component 30, elastic component 30 one end is fixedly connected with loop bar 10 outer side wall, and the other end is fixedly connected with top bottom-disc 20;
Piston rod 40, piston rod 40 one end is fixedly connected with top bottom-disc 20, and the other end vertically penetrates loop bar 10, and piston rod 40 can move axially in loop bar 10.
The utility model structure is simple, elastic component 30 is arranged between loop bar 10 and top bottom-disc 20, reached the object of buffering by the flexible ability of elastic component 30 and piston rod 40 moving axially in loop bar 10, loop bar 10 defines the direction of the motion of piston rod 40, reaches optimized buffer function.
Preferably, loop bar 10 is positioned on the axis of elastic component 30, and loop bar 10 is arranged in hollow cylindrical, and piston rod 40 is in cylindric, and the external diameter size of piston rod 40 is slightly less than the internal diameter size of loop bar 10.
Loop bar 10 is positioned on the axis of elastic component 30, when elastic component 30 stretches, force on loop bar 10 and piston rod 40 more stable, loop bar 10 is arranged in hollow cylindrical simultaneously, piston rod 40 is in cylindric, and therefore loop bar 10 and piston rod 40 surface of contact are arc surface, greatly reduce damping, prevent vibration damper from occurring stuck phenomenon, good buffering function when moving.
Preferably, top bottom-disc 20 front-end cross-sectional view is in " recessed " font, top bottom-disc 20 front end is coated with the gum cover 21 of cross section in " π " type, gum cover 21 is plugged in top bottom-disc 20, lock chamber 22 is formed between gum cover 21 and top bottom-disc 20 front end, top bottom-disc 20 rear end is provided with the upper spring seat 23 in hollow hemisphere shape, and upper spring seat 23 is provided with plane bearing 231, forms elastic cavity 25 between plane bearing 231 and upper spring seat 23.
Preferably, piston rod 40 is through elastic cavity 25, and piston rod 40 one end is arranged in lock chamber 22.
The gum cover 21 of " π " type can cover top bottom-disc 20 front end better, gum cover 21 is more firm with the connection of top bottom-disc 20 front end, therefore the lock chamber 22 formed is more stable, lock chamber 22 is mainly used in holding piston rod 40 front end, there is certain gap in piston rod 40 front end and gum cover 21 simultaneously, when preventing elastic component 30 from compressing excessive, piston rod 40 may back down gum cover 21, thus cause piston rod 40 directly to contact with other component, cause piston rod 40 and the damage of other component, gum cover 21 plays buffer function simultaneously;
Further preferably, elastic cavity 25, for fixing piston rod 40, prevents piston rod 40 from departing from top bottom-disc 20.
Preferably, top bottom-disc 20 side is provided with the fastening foot 26 be symmetrical set, each fastening foot 26 one end inlay card is in top bottom-disc 20, and the other end stretches out along top bottom-disc 20 side and forms the fixed feet 261 parallel with low bottom-disc 11, and each fixed feet 261 all offers fixed hole 262.
Top bottom-disc 20 will connect in other component, fastening foot 26 one end inlay card is in top bottom-disc 20, fastening foot 26 is connected more firm with top bottom-disc 20, the other end of fastening foot 26 stretches out along top bottom-disc 20 side and forms the fixed feet 261 parallel with low bottom-disc 11, after fixed feet 261 is fixing, ensure that fixed feet 261 is in same level, fixed feet 261 is vertical with loop bar 10 with piston rod 40 simultaneously, fixed hole 262 in fastening foot 26 will reinforce the connection of top bottom-disc 20 with other component, during elastic component 30 flexible, can effectively prevent top bottom-disc 20 from moving, improve the shock-absorbing capacity of vibration damper.
Preferably, upper spring seat 23 is provided with the top board 232 radially arranged, and forms compression chamber 24 between top board 232 and spring seat, and top board 232 front end curves inwardly and forms hook-shaped upper supporting piece 233, and elastic component 30 inlay card is on upper supporting piece 233.
Compression chamber 24 is when elastic component 30 compresses, and can give the buffering that upper spring seat 23 is certain, top board 232 is not fragile, strengthens buffer capacity; The top board 232 of upper spring seat 23 is radially arranged simultaneously, be easier to fix elastic component 30, prevent elastic component 30 from departing from, strengthen buffer function, further preferably, top board 232 front end curves inwardly and forms hook-shaped upper supporting piece 233, and this hook-shaped upper supporting piece 233 secures elastic component 30 further, further enhancing buffer function.
Preferably, loop bar 10 is installed with the low bottom-disc 11 of cross section in " convex " font, low bottom-disc 11 comprises the fixing dish 111 that is set on loop bar 10 and to be connected with fixing dish 111 and cross section is the lower support element 112 of " L " type, and elastic component 30 inlay card is on lower support element 112.
Loop bar 10 is installed with the low bottom-disc 11 of cross section in " convex " font, low bottom-disc 11 comprises the fixing dish 111 that is set on loop bar 10 and to be connected with fixing dish 111 and cross section is the lower support element 112 of " L " type, and elastic component 30 inlay card is on lower support element 112.Loop bar 10 has set up low bottom-disc 11, and elastic component 30 is more convenient with the connection of loop bar 10, more firmly, rely on the lower support element 112 of " L " type to fix elastic component 30 simultaneously, at elastic component 30 when flexible, not easily depart from loop bar 10, make the good buffer effect of whole vibration damper.
Further preferably, cushion collar 50 is provided with between plane bearing 231 and low bottom-disc 11, cushion collar 50 comprises the first buffer part 51 and the second buffer part 52, first buffer part 51 is set in piston rod 40 front end, first buffer part 51 is provided with multiple inner groovy 511 with the surface of contact of piston rod 40, first buffer part 51 outer side surface is provided with outer groove 512, second buffer part 52 and is connected between the first buffer part 51 and low bottom-disc 11, the coated loop bar 10 of the second buffer part 52 part.
Elastic component 30 is in telescopic process, and cushion collar 50 also stretches thereupon, improves shock-absorbing capacity; First buffer part 51 inlay card is on piston rod 40 simultaneously, piston rod 40 will axial motion in loop bar 10, therefore piston rod 40 need be fixedly connected with the first buffer part 51, thus reach good shock-absorbing capacity, first buffer part 51 is provided with multiple inner groovy 511 with the surface of contact of piston rod 40 simultaneously, the existence of inner groovy 511 can adapt to expanding with heat and contract with cold of cushion collar 50, and is applicable to the piston rod 40 of various model; Outer groove 512 has not only saved cost, simultaneously when buffer function, more easily replys home position.
Preferably, as shown in Figure 2, loop bar 10 end is provided with installation sheet 60, and installation sheet 60 cross section is in " U " font, and installation sheet 60 part is coated on loop bar 10, and installation sheet 60 side is equipped with multiple mounting hole 61.
Installation sheet 60 cross section in " U " font, by other component inlay cards in installation sheet 60, can be fixed by the mounting hole 61 on installation sheet 60 simultaneously, during elastic component 30 flexible, effectively can prevent top bottom-disc 20 from moving, improve the shock-absorbing capacity of vibration damper.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (9)
1. a vibration damper, is characterized in that, comprises
Top bottom-disc;
Loop bar;
Elastic component, elastic component one end is fixedly connected with loop bar outer side wall, and the other end is fixedly connected with top bottom-disc;
Piston rod, piston rod one end is fixedly connected with top bottom-disc, and the other end vertically penetrates loop bar, and described piston rod can move axially in loop bar.
2. a kind of vibration damper according to claim 1, is characterized in that, described loop bar is positioned on the axis of elastic component, and described loop bar is that hollow cylindrical is arranged, and described piston rod is cylindric, and the external diameter size of described piston rod is slightly less than the internal diameter size of loop bar.
3. a kind of vibration damper according to claim 2, it is characterized in that, top bottom-disc front-end cross-sectional view is in " recessed " font, top bottom-disc front end is coated with the gum cover of cross section in " π " type, described gum cover is plugged in top bottom-disc, forms lock chamber between described gum cover and top bottom-disc front end, and top bottom-disc rear end is provided with the upper spring seat in hollow hemisphere shape, described upper spring seat is provided with plane bearing, forms elastic cavity between described plane bearing and upper spring seat.
4. a kind of vibration damper according to claim 3, is characterized in that, described piston rod is through elastic cavity, and described piston rod one end is arranged in lock chamber.
5. a kind of vibration damper according to claim 4, it is characterized in that, top bottom-disc side is provided with the fastening foot be symmetrical set, each fastening foot one end inlay card is in top bottom-disc, the other end stretches out along top bottom-disc side and forms the fixed feet parallel with low bottom-disc, and each fixed feet all offers fixed hole.
6. a kind of vibration damper according to claim 5, it is characterized in that, described upper spring seat is provided with the top board radially arranged, and forms compression chamber between top board and spring seat, top board front end curves inwardly and forms hook-shaped upper supporting piece, and elastic component inlay card is on upper supporting piece.
7. a kind of vibration damper according to claim 6, it is characterized in that, described loop bar is installed with the low bottom-disc of cross section in " convex " font, described low bottom-disc comprises the fixing dish that is set on loop bar and to be connected with fixing dish and cross section is the lower support element of " L " type, and elastic component inlay card is on lower support element.
8. a kind of vibration damper according to claim 7, it is characterized in that, cushion collar is provided with between plane bearing and low bottom-disc, described cushion collar comprises the first buffer part and the second buffer part, described first buffer part is set in piston rod front end, and the surface of contact of the first buffer part and piston rod is provided with some inner groovies, and the first buffer part outer side surface is provided with outer groove, described second buffer part is connected between the first buffer part and low bottom-disc, the coated loop bar of the second buffer part part.
9. a kind of vibration damper according to claim 8, is characterized in that, described loop bar end is provided with installation sheet, and described installation sheet cross section is in " U " font, and installation sheet part is coated on loop bar, and installation sheet side is equipped with some mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661263.7U CN204942383U (en) | 2015-08-28 | 2015-08-28 | A kind of vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661263.7U CN204942383U (en) | 2015-08-28 | 2015-08-28 | A kind of vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942383U true CN204942383U (en) | 2016-01-06 |
Family
ID=55009817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520661263.7U Expired - Fee Related CN204942383U (en) | 2015-08-28 | 2015-08-28 | A kind of vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605137A (en) * | 2015-08-28 | 2016-05-25 | 宁波南方减震器制造有限公司 | Absorber |
-
2015
- 2015-08-28 CN CN201520661263.7U patent/CN204942383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605137A (en) * | 2015-08-28 | 2016-05-25 | 宁波南方减震器制造有限公司 | Absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160828 |