CN209370363U - A kind of transmission shaft absorber block - Google Patents

Abstract

The utility model discloses a kind of transmission shaft absorber blocks, including outer tube, rubber parts and mass block, the mass block is annular shape, and the mass block is set in outer tube, and mass block and outer coaxial tube are arranged, and pass through rubber parts between the outer tube and mass block and connect；The rubber parts includes the fixed rubber parts of several groups and several groups active rubber part, and active rubber part described in fixation rubber parts described in several groups and several groups is successively spaced setting.The transmission shaft absorber block of the utility model can rapidly realize that different transmission systems for the demand of frequency, shorten the development cycle, lower development cost；In addition, elastic rubber stretches out alternative fixed rubber parts and plays cushioning effect after fixed rubber parts failure or damage, the service life of absorber block is improved.

Description

A kind of transmission shaft absorber block

Technical field

The utility model relates to automobile engine suspension system field of mechanical technique more particularly to a kind of transmission shaft absorbings Block.

Background technique

Transmission shaft absorber block belongs to automobile engine suspension transmission system；In engine suspension frame transmission system, transmission Axis absorber block is one of the important component for inhibiting resonance, and the superiority and inferiority of performance will directly influence car engine mechanomotive force biography Defeated efficiency and NVH effect or even by bus and the comfort of personnel of driving.For example, turning since Transmission Shaft Stiffness is low in high speed It easilys lead to resonate when dynamic, the resonance of transmission shaft will affect the efficiency and NVH effect of its power transmission.As automobile market is competing It strives and increasingly sharpens, requirement of the continuous improvement and customer of energy efficiency to NVH effect is constantly promoted, transmission shaft absorber block Personnel are gradually studied to pay attention to and promote in automobile factory.However, existing transmission shaft absorbing block structure is single, it is difficult to meet different Demand of the transmission system for frequency；And elastic force declines rubber parts in use for some time, damping performance reduces, and is unfavorable for subtracting The long-time for shaking block uses.It is to be solved in the utility model for how designing durable, the adjustable transmission shaft absorber block of one kind Technical problem.

Utility model content

In view of the shortcomings of the prior art, the utility model provides a kind of durable, adjustable transmission shaft absorber blocks.

The utility model is realized by following technological means solves above-mentioned technical problem:

A kind of transmission shaft absorber block, including outer tube, rubber parts and mass block, the mass block is annular shape, described Mass block is set in outer tube, and mass block and outer coaxial tube setting, is connected between the outer tube and mass block by rubber parts It connects；The rubber parts includes the fixed rubber parts of several groups and several groups active rubber part, fixation rubber parts described in several groups It is successively spaced setting with active rubber part described in several groups, the fixation rubber parts vulcanizes the shape between outer tube and mass block It is integral, it is provided with several first grooves on the outer wall of the mass block, is provided on the inner wall of the outer tube several with first One-to-one second groove of groove location, several active rubber parts are mounted on correspondingly in the first groove, institute It states and minitype cylinder is installed between the inner end of active rubber part and the slot bottom of the first groove.

Preferably, a kind of transmission shaft absorber block, described every group fixed rubber parts includes several along mass block Axial direction and the fixation rubber parts being placed equidistant with, every group of active rubber part include several along mass block axial direction and equidistantly set The active rubber part set.

Preferably, a kind of transmission shaft absorber block, the active rubber part include the first active rubber of several groups Part and several groups the second active rubber part, every group of first active rubber part include it is several along mass block axial direction and be placed equidistant with One active rubber part, every group of second active rubber part include several along mass block axial direction and the second active rubber for being placed equidistant with Part, several groups the first active rubber part and several groups the second active rubber part are successively spaced setting, and the fixation rubber parts is set It sets between the first active rubber part and the second active rubber part.

Preferably, a kind of transmission shaft absorber block, minitype cylinder corresponding to several first active rubber parts For synchronizing cylinder, minitype cylinder corresponding to several second active rubber parts is synchronizing cylinder.

Preferably, a kind of transmission shaft absorber block, minitype cylinder and corresponding to the first active rubber part Minitype cylinder corresponding to two active rubber parts is asynchronous cylinder.

Preferably, a kind of transmission shaft absorber block is equipped with several slat gum convex ribs, institute on the outer wall of the outer tube The axis of the rubber convex ribs and outer tube stated is arranged in parallel, and is placed equidistant between rubber convex ribs described in several.

Preferably, a kind of transmission shaft absorber block, the first active rubber part and the second active rubber part are all Cylindric, first groove and the second groove are corresponding for cylinder, the first active rubber part, the second active rubber The diameter of part, the first groove and the second groove is identical.

Preferably, a kind of transmission shaft absorber block, the first active rubber part, the second active rubber part and solid Determine the rubber parts that rubber parts is material of the same race.

Preferably, a kind of transmission shaft absorber block, the first active rubber part, the second active rubber part and solid Determine the rubber parts that rubber parts is different hardness.

Utility model has the advantages that the transmission shaft absorber block of the utility model can rapidly realize different power trains The demand united for frequency shortens the development cycle, lowers development cost；In addition, after fixed rubber parts failure or damage, elasticity Rubber parts stretches out alternative fixed rubber parts and plays cushioning effect, improves the service life of absorber block.

Further, active rubber part includes the first active rubber part and the second active rubber part, further increases absorber block Controllability, several first active rubber parts use synchronizing cylinder, several second active rubber parts use synchronizing cylinder, control It is convenient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the sectional view of the utility model.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

A kind of transmission shaft absorber block, including outer tube 1, rubber parts 2 and mass block 3, the mass block 3 are annular shape, institute The mass block 3 stated is set in outer tube 1, and mass block 3 and outer tube 1 are coaxially disposed, and are led between the outer tube 1 and mass block 3 Cross the connection of rubber parts 2；The rubber parts 2 includes the fixed rubber parts 4 of several groups and several groups active rubber part 5, several groups institute Active rubber part 5 described in the fixation rubber parts 4 and several groups stated successively is spaced setting, and the vulcanization of fixation rubber parts 4 exists Entirety is formed between outer tube 1 and mass block 3, is provided with several first grooves 6 on the outer wall of the mass block 3, the outer tube 1 Several and one-to-one second groove 7 in 6 position of the first groove is provided on inner wall, several active rubber parts 5 are one by one It is corresponding to be mounted in the first groove 6, it is equipped between the inner end of the active rubber part 5 and the slot bottom of the first groove 6 miniature Cylinder 8.

In transmission shaft absorber block in application, active rubber part can be made to extend into or out by adjusting the flexible of minitype cylinder Second groove plays the work for reducing twisting vibration after active rubber part protrudes into the second groove as fixed rubber parts With by the telescopic adjustment of active rubber part, and then meeting the needs of different transmission systems are for frequency；In addition, in fixed rubber After the damage of glue part or elastic failure, active rubber part can control to stretch out, so that it is substituted fixed rubber parts and play cushioning effect.This reality It can rapidly realize that different transmission systems for the demand of frequency, shorten the development cycle, subtract with novel transmission shaft absorber block Low development cost；In addition, elastic rubber, which stretches out alternative fixed rubber parts and plays, to be subtracted after fixed rubber parts failure or damage Shake effect, improves the service life of absorber block.

Preferably, described every group fixed rubber parts 4 includes several along 3 axial direction of mass block and the fixation rubber that is placed equidistant with Glue part 4, every group of active rubber part 5 include several along 3 axial direction of mass block and the active rubber part 5 that is placed equidistant with.

Fixed rubber block and every group of active rubber block are all axially arranged along mass block, play cushioning effect to greatest extent, The quantity of every group of fixed rubber block and the quantity of active rubber block can need to design according to transmission system.

Preferably, the active rubber part 5 includes the first active rubber of several groups part 9 and the second active rubber of several groups Part 10, every group of first active rubber part 9 include several along 3 axial direction of mass block and the first active rubber part 9 for being placed equidistant with, and every group Second active rubber part 10 includes several along 3 axial direction of mass block and the second active rubber part 10 for being placed equidistant with, several groups first Active rubber part 9 and the second active rubber of several groups part 10 are successively spaced setting, and the setting of fixation rubber parts 4 is living first Between dynamic rubber parts 9 and the second active rubber part 10；Minitype cylinder 8 corresponding to the first active rubber part 9 and second is lived Minitype cylinder 8 corresponding to dynamic rubber parts 10 is synchronizing cylinder；8 He of minitype cylinder corresponding to the first active rubber part 9 Minitype cylinder 8 corresponding to second active rubber part 10 is asynchronous cylinder.

Active rubber part includes the first active rubber part and the second active rubber part, further increases the adjustable of absorber block Property, for several first active rubber parts using synchronizing cylinder, several second active rubber parts use synchronizing cylinder, easy to control.

Preferably, several slat gum convex ribs 11, the rubber convex ribs 11 and outer tube are installed on the outer wall of the outer tube 1 1 axis is arranged in parallel, and is placed equidistant between rubber convex ribs 11 described in several.

In absorber block installation, by squeezing rubber convex ribs, the compactness of installation can be improved in the design of rubber convex ribs.

Preferably, the first active rubber part 9 and the second active rubber part 10 are all cylindric, first groove 6 It is corresponding for cylinder with the second groove 7, the first active rubber part 9, the second active rubber part 10, the first groove 6 and The diameter of second groove 7 is identical.

First active rubber part, the second active rubber part, the diameter of the first groove and the second groove are identical, raising activity The compactness of rubber parts and the first groove, the connection of the second groove, guarantees damping effect.

Preferably, the first active rubber part 9, the second active rubber part 10 and fixed rubber parts 4 are material of the same race Rubber parts.

First active rubber part, the second active rubber part and fixed rubber parts use the rubber parts of material of the same race, production It is convenient, it is with strong complementarity.

Preferably, the first active rubber part 9, the second active rubber part 10 and fixed rubber parts 4 are different hardness Rubber parts.

First active rubber part, the second active rubber part and fixed rubber parts use the rubber parts of different hardness, can lead to The hardness of active rubber part is overregulated, rapidly realizes different transmission systems for the demand of frequency.

The transmission shaft absorber block of the utility model can rapidly realize that different transmission systems for the demand of frequency, shorten Development cycle lowers development cost；In addition, elastic rubber stretches out alternative fixation after fixed rubber parts failure or damage Rubber parts plays cushioning effect, improves the service life of absorber block；Further, active rubber part includes the first active rubber part With the second active rubber part, the controllability of absorber block is further increased, several first active rubber parts use synchronizing cylinder, if Dry second active rubber part uses synchronizing cylinder, easy to control.

It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (9)

1. a kind of transmission shaft absorber block, it is characterised in that: including outer tube, rubber parts and mass block, the mass block is annulus Shape, the mass block are set in outer tube, and mass block and outer coaxial tube setting, are passed through between the outer tube and mass block Rubber parts connection；The rubber parts includes the fixed rubber parts of several groups and several groups active rubber part, is consolidated described in several groups Determine active rubber part described in rubber parts and several groups and be successively spaced setting, the fixation rubber parts vulcanizes in outer tube and quality Entirety is formed between block, several first grooves is provided on the outer wall of the mass block, if being provided on the inner wall of the outer tube Dry and one-to-one second groove of the first groove location, it is recessed that several active rubber parts are mounted on first correspondingly In slot, minitype cylinder is installed between the inner end of the active rubber part and the slot bottom of the first groove.

2. a kind of transmission shaft absorber block according to claim 1, it is characterised in that: the fixed rubber parts of described every group includes , along mass block axial direction and the fixation rubber parts that is placed equidistant with, every group of active rubber part includes several along quality for several Block axial direction and the active rubber part being placed equidistant with.

3. a kind of transmission shaft absorber block according to claim 1, it is characterised in that: the active rubber part includes several The first active rubber part of group and several groups the second active rubber part, every group of first active rubber part include several along mass block axial direction And the first active rubber part being placed equidistant with, every group of second active rubber part include several along mass block axial direction and being placed equidistant with Second active rubber part, several groups the first active rubber part and several groups the second active rubber part are successively spaced setting, described Fixed rubber parts is arranged between the first active rubber part and the second active rubber part.

4. a kind of transmission shaft absorber block according to claim 3, it is characterised in that: several first active rubber part institutes Corresponding minitype cylinder is synchronizing cylinder, and minitype cylinder corresponding to several second active rubber parts is synchronizing cylinder.

5. a kind of transmission shaft absorber block according to claim 4, it is characterised in that: corresponding to the first active rubber part Minitype cylinder and the second active rubber part corresponding to minitype cylinder be asynchronous cylinder.

6. a kind of transmission shaft absorber block according to claim 1, it is characterised in that: if being equipped on the outer wall of the outer tube The axis of dry slat gum convex ribs, the rubber convex ribs and outer tube is arranged in parallel, and between rubber convex ribs described in several etc. Away from setting.

7. a kind of transmission shaft absorber block according to claim 3, it is characterised in that: the first active rubber part and second Active rubber part be all it is cylindric, first groove and the second groove it is corresponding for cylinder, the first active rubber part, The diameter of second active rubber part, the first groove and the second groove is identical.

8. a kind of transmission shaft absorber block according to claim 3, it is characterised in that: the first active rubber part, second Active rubber part and fixed rubber parts are the rubber parts of material of the same race.

9. a kind of transmission shaft absorber block according to claim 3, it is characterised in that: the first active rubber part, second Active rubber part and fixed rubber parts are the rubber parts of different hardness.