Vehicle shock absorber
Technical field
The application relates to vehicle shock absorber technical field.
Background technique
Along with the development of society, the requirement of people to automobile is also more and more higher, includes the requirement of the performances such as the power character of automobile, Economy, braking, control stability, smoothness, passing ability.Vibration damper is mounted in a damping member between car body and road wheel, its effect is the vibration of decay car body and stops the unlimited increase of resonant conditions lower body amplitude, amplitude and the vibration number of body oscillating can be reduced, the travelling comfort that the fatigue life that thus can extend elastic element rides with raising people.For accelerating the decay of body vibrations, improving vehicle running smoothness, in the suspension of most of car, all vibration damper being housed.
The problem that common pellet type vibration damper exists is: spring holder and fuel tank are for fixedly to weld, along with the prolongation of operating time, damper elastomeric element is aging gradually, reduced stiffness, its damping property is constantly degenerated, thus have influence on stationarity and the travelling comfort of automobile running, usually need then to change.
And also there is the technical problem of sealing difference, assembling maintenance operation difference in traditional vibration damper.
Model utility content
The purpose of this utility model is to provide a kind of vibration damper, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technological scheme:
The embodiment of the present application discloses a kind of vehicle shock absorber, comprise fuel tank, clutch release slave cylinder, connecting rod, oil sealing, guider, compression valve assembly, spring holder and piston assembly, described fuel tank is sheathed on the outside of described clutch release slave cylinder, shock absorber oil is provided with between described fuel tank and clutch release slave cylinder, the first end of described connecting rod to slide in described clutch release slave cylinder and fixes with piston assembly, described compression valve assembly to be located in described clutch release slave cylinder and between described piston assembly and the end of clutch release slave cylinder, second end of described connecting rod extends the outside of described clutch release slave cylinder, described spring holder is sheathed on the outside of described fuel tank, between the front end that described clutch release slave cylinder is located at by described oil sealing and guider and the end of fuel tank, described guider is between described oil sealing and clutch release slave cylinder, the outside of described fuel tank is arranged with an adjustable overcoat, described adjustable overcoat comprises body, and from the baffle plate that the outside annular in body rear end protrudes out, the outside that described body is sheathed on fuel tank also and between the surface of contact of fuel tank forms the thread surface matched, described baffle-panels is to the recessed draw-in groove being formed with annular in side of described spring holder, described spring holder is sheathed on the outside of fuel tank and can moves vertically relative to fuel tank, its front end coordinates fixing with draw-in groove.
Preferably, in above-mentioned vehicle shock absorber, the inward flange of described oil sealing has protruded out the first extension part and the second extension part respectively to both sides, described first extension part and the second extension part are affixed on the outer surface of connecting rod, the outside of described first extension part and the second extension part is recessed is respectively formed with draw-in groove, this draw-in groove is arranged with flexible fastening ring, described guider has protruded out a sealed department towards one end of clutch release slave cylinder, sealing portion is formed between clutch release slave cylinder and connecting rod, described guider is towards the recessed stepped part being formed with an annular in one end of oil sealing, second extension part cooperation of described oil sealing is formed in described stepped part.
Preferably, in above-mentioned vehicle shock absorber, be also formed with the cavity of annular between described oil sealing and the outer wall surface of connecting rod, this cavity is between the first extension part and the second extension part.
Preferably, in above-mentioned vehicle shock absorber, described fluid side has also protruded out the 3rd extension part to one end of guider, and described 3rd extending part is in the outside of the second extension part, described guider coordinates the 3rd extension part to be formed with through hole, and described 3rd extension part convexedly stretches in through hole.
Preferably, in above-mentioned vehicle shock absorber, between described sealed department and the outer wall of connecting rod, be provided with seal ring.
Preferably, in above-mentioned vehicle shock absorber, the rear end of described fuel tank also seals and is fixed with rear end cover, and described rear end cover is embedded in fuel tank, and between the outward edge of described rear end cover and the inwall of fuel tank, welded seal is fixed.
Compared with prior art, the utility model has the advantage of: the utility model, by adjustable overcoat, can realize the adjustment to spring holder position.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the sectional view of vibration damper in the utility model specific embodiment;
Figure 2 shows that the enlarged diagram of A in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1 and Fig. 2, vibration damper comprises fuel tank 1, clutch release slave cylinder 2, connecting rod 3, oil sealing 4, guider 5, compression valve assembly 6, spring holder 7 and piston assembly 8, fuel tank 1 is sheathed on the outside of clutch release slave cylinder 2, shock absorber oil 9 is provided with between fuel tank 1 and clutch release slave cylinder 2, connecting rod 3 has relative first end and the second end, the first end of connecting rod 3 to slide in clutch release slave cylinder 2 and fixes with piston assembly 8, compression valve assembly 6 to be located in clutch release slave cylinder 2 and between piston assembly 8 and the end of clutch release slave cylinder 2, second end of connecting rod 3 extends the outside of clutch release slave cylinder 2, spring holder 7 is sheathed on the outside of fuel tank 1, oil sealing 4 and guider 5 are located between the front end of clutch release slave cylinder 2 and the end of fuel tank 1, guider 5 is between oil sealing 4 and clutch release slave cylinder 2.
The front end of fuel tank 1 is fixed with sealing cover 10, the end wall 12 of annular that sealing lid 10 comprises circular end cap 11 and extends to fuel tank direction from end cap edge, and this end wall 12 is sheathed on the outside of fuel tank 1.
In this technological scheme, sealing cover 10 rotates fixing preferably by the outer wall of thread inner surface and described fuel tank, because sealing cover 10 is detachable relative to fuel tank 1, can facilitate rapid-assembling and the repair and replacement of fuel tank inner piece.Be easy to it is contemplated that sealing cover 10 can also be fixing by sealing between welding manner and fuel tank.
Further, the inside vertical bending of front edge of fuel tank 1 is formed with the retaining wall 13 of annular, and oil sealing 4 is held between retaining wall 13 and guider 5.
In this technological scheme, can carry out spacing and fixing to oil sealing 4 by retaining wall 13.
The inward flange of oil sealing 4 has protruded out the first extension part 41 and the second extension part 42 respectively to both sides, first extension part 41 and the second extension part 42 are affixed on the outer surface of connecting rod 3, the outside of the first extension part 41 and the second extension part 42 is recessed is respectively formed with draw-in groove, this draw-in groove is arranged with flexible fastening ring 43, guider 5 has protruded out a sealed department 51 towards one end of clutch release slave cylinder 2, sealing portion 51 is formed between clutch release slave cylinder 2 and connecting rod 3, guider 5 is towards the recessed stepped part 52 being formed with an annular in one end of oil sealing 4, second extension part 42 cooperation of oil sealing 4 is formed in stepped part 52.
In this technological scheme, oil sealing can realize good sealing effect by the extension part of both sides.
Further, be also formed with the cavity 44 of annular between the outer wall surface of oil sealing 4 and connecting rod 3, this cavity 44 is between the first extension part 41 and the second extension part 42.
Further, oil sealing 4 has also protruded out towards one end of guider 5 outside that the 3rd extension part the 45, three extension part 45 is positioned at the second extension part 42, and guider 5 coordinates the 3rd extension part 45 to be formed with through hole 53, and the 3rd extension part 45 convexedly stretches in through hole 53.
Further, seal ring 54 is provided with between the outer wall of sealed department 51 and connecting rod 3.
The outside of fuel tank 1 is arranged with an adjustable overcoat 14, the baffle plate 142 that adjustable overcoat 14 comprises body 141 and protrudes out from the outside annular in body rear end, body 141 is sheathed on the outside of fuel tank 1 and and forms the thread surface matched between the surface of contact of fuel tank 1.Baffle plate 142 is towards the recessed draw-in groove 143 being formed with annular in side of described spring holder, and spring holder is sheathed on the outside of fuel tank and can moves vertically relative to fuel tank, and its front end coordinates fixing with draw-in groove 143.
In this technological scheme, by adjustable overcoat, the adjustment to spring holder position can be realized.
Further, the rear end of fuel tank 1 also seals and is fixed with rear end cover 15, and rear end cover 15 is embedded in fuel tank 1, and between the outward edge of rear end cover 15 and the inwall of fuel tank 1, welded seal is fixed.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.