A kind of amortisseur
Technical field
This utility model relates to field of shock absorption, particularly to a kind of amortisseur.
Background technology
The structure of current existing amortisseur 100 ' is the most as shown in Figure 3, it is made up of mold insert 10 ' and natural rubber crust 20 ', but mold insert 10 ' and the combination of natural rubber crust 20 ' unreliable, if vibration intensity is bigger, mold insert 10 ' is easy to from rubber crust 20 ' abjection, thus cause the structure of amortisseur 100 ' and service behaviour unstable, and then accident is caused to occur.
The problem existed for above-mentioned technology, this utility model technology aims to provide the amortisseur that a kind of structure is more stable, to solve weak point of the prior art.
Utility model content
In place of this utility model is for the deficiencies in the prior art, it is proposed that a kind of amortisseur.
A kind of amortisseur provided according to this utility model, including overcoat and the mold insert being arranged in overcoat, forms male-female engagement between outer wall and the inwall of overcoat of mold insert.This male-female engagement increases the frictional force between mold insert and the contact area of overcoat and mold insert and overcoat, i.e. adds the adhesive force between mold insert and overcoat, thus effectively prevents mold insert from coming off each other with overcoat.It addition, in shock absorbing process, this male-female engagement can avoid occurring between mold insert and overcoat displacement, produce moment resonance, so design and can make amortisseur stress evenly.Preferably, mold insert and overcoat all can use elastomeric material to make, so at the damping effect that can also increase amortisseur further between increase mold insert and overcoat while frictional force.
In some embodiments, the outer wall of mold insert is circumferentially configured with detent projection, and the inwall of overcoat is circumferentially configured with the groove matched with detent projection.Dentation between overcoat with mold insert coordinates makes overcoat together with mold insert close contact, further increases the frictional force between overcoat and mold insert.Preferably, also can be only in the circumferentially arranged detent projection of outer wall of mold insert, inwall at overcoat is not provided with groove, but utilize mold insert heat after being molded to be pressed into jacket internal, thus form corresponding groove at the inwall of overcoat while mold insert enters, subsequently, even if mold insert of lowering the temperature amortisseur is bonded in the inwall of overcoat, thus complete the fixing of mold insert and overcoat.
In some embodiments, detent projection has at the most tapered width of the outer wall from mold insert.By this set, mold insert can be made to be more easy to enter overcoat interior and matched, meanwhile, this setting also increases the contact area of mold insert and overcoat, prevents the disengaging of mold insert and overcoat further.Preferably, the shape of cross section of detent projection is trapezoidal, it is further preferred that the shape of cross section of detent projection is triangle.
In some embodiments, the outer wall of mold insert is circumferentially further opened with groove.In shock absorbing process, this groove can make amortisseur have preferably damping effect.Preferably, groove is ring-type, it is further preferred that ring-type groove along mold insert axially arranged be distributed at interval multiple.The stress of amortisseur can be made evenly, beneficially amortisseur preferably damping effect by arranging above-mentioned endless groove.
In some embodiments, mold insert also includes the through hole in the axle center axially through mold insert.Can be threaded in this through hole, fixing for amortisseur and external equipment.
In some embodiments, the number of mold insert is two, and lays respectively at the two ends up and down of overcoat.Mold insert is symmetricly set on the two ends of overcoat, makes the stress of amortisseur evenly, thus its damping effect is better achieved.
Compared with prior art, the male-female engagement in amortisseur of the present utility model increases the contact area of mold insert and overcoat, and adds the frictional force between mold insert and overcoat simultaneously, thus effectively prevents mold insert from coming off each other with overcoat.It addition, the overcoat of amortisseur of the present utility model uses natural rubber to make, therefore add the damping effect of amortisseur.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, this utility model will be described in more detail.Wherein:
Fig. 1 is the exploded perspective view of the structure according to amortisseur of the present utility model;
Fig. 2 is the schematic top plan view of the mold insert according to amortisseur of the present utility model;
Fig. 3 is the exploded perspective view of the structure of amortisseur of the prior art.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not drawn according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Details described here is exemplary, and is only used for illustratively discussing embodiment of the present utility model, and the presence of which is to provide for being considered as the most useful and the most intelligible description in terms of principle of the present utility model and concept.About this point, here being not attempted to exceed CONSTRUCTED SPECIFICATION of the present utility model the introduction of the degree needed for basic comprehension this utility model, those skilled in the art is clearly understood that how to be practically carrying out several form of the present utility model by description and accompanying drawing thereof.
Fig. 1 shows the structural representation of amortisseur 100 of the present utility model.This amortisseur 100 includes overcoat 20 and the mold insert 10 being arranged in overcoat 20, forms male-female engagement between outer wall and the inwall of overcoat 20 of mold insert 10.This male-female engagement increases the frictional force between mold insert 10 and the contact area of overcoat 20 and mold insert 10 and overcoat 20, i.e. adds the adhesive force between mold insert 10 and overcoat 20, thus effectively prevents mold insert 10 from coming off each other with overcoat 20.It addition, in shock absorbing process, this male-female engagement can avoid occurring between mold insert 10 and overcoat 20 displacement, produce moment resonance, so design and can make amortisseur 100 stress evenly.Preferably, mold insert 10 all can use elastomeric material to make with overcoat 20, so at the damping effect that can also increase amortisseur 100 further between increase mold insert 10 and overcoat 20 while frictional force.
According to this utility model, as it is shown in figure 1, the outer wall of mold insert 10 is circumferentially configured with detent projection 11, the inwall of overcoat 20 is circumferentially configured with the groove 21 matched with detent projection 11.Dentation between overcoat 20 with mold insert 10 coordinates to be made together with overcoat 20 is in close contact with mold insert 10, to further increase the frictional force between overcoat 20 and mold insert 10.Preferably, also can be only in the circumferentially arranged detent projection of outer wall 11 of mold insert 10, inwall at overcoat 20 is not provided with groove, but utilize the mold insert 10 heat after being molded to be pressed into inside overcoat 20, thus form corresponding groove 21 at the inwall of overcoat 20 while mold insert 10 enters, subsequently, even if mold insert 10 of lowering the temperature amortisseur 100 is bonded in the inwall of overcoat 20, thus complete the fixing of mold insert 10 and overcoat 20.
In an embodiment as illustrated in figure 2, detent projection 11 has at the most tapered width of the outer wall from mold insert 10.By this set, mold insert 10 can be made to be more easy to enter overcoat 20 interior and matched, meanwhile, this setting also increases the contact area of mold insert 10 and overcoat 20, prevents the disengaging of mold insert 10 and overcoat 20 further.Preferably, the shape of cross section of detent projection 11 is trapezoidal, it is further preferred that the shape of cross section of detent projection 11 is triangle.
Returning to Fig. 1, according to this utility model, the outer wall of mold insert 10 is circumferentially further opened with groove 12.In shock absorbing process, this groove 12 can make amortisseur 100 have preferably damping effect.Preferably, groove 12 is ring-type, it is further preferred that ring-type groove 12 along mold insert 10 axially arranged be distributed at interval multiple.The stress of amortisseur 100 can be made evenly, beneficially amortisseur 100 preferably damping effect by arranging above-mentioned endless groove 12.
It addition, mold insert 10 also includes the through hole 13 in the axle center axially through mold insert 10.Can be threaded in this through hole 13, fixing for amortisseur 100 and external equipment.
In a preferred embodiment, the number of mold insert 10 is two, and lays respectively at the two ends up and down of overcoat 20.Mold insert 10 is symmetricly set on the two ends of overcoat 20, makes the stress of amortisseur 100 evenly, thus its damping effect is better achieved.
Compared with prior art, the male-female engagement in amortisseur 100 of the present utility model increases the contact area of mold insert 10 and overcoat 20, and adds the frictional force between mold insert 10 and overcoat 20 simultaneously, thus effectively prevents mold insert 10 from coming off each other with overcoat 20.It addition, the overcoat 20 of amortisseur 100 of the present utility model uses natural rubber to make, therefore add the damping effect of amortisseur 100.
It should be noted that foregoing example is only to be construed to purpose, and it is not construed as limiting this utility model.Although this utility model being described according to exemplary embodiment, it being understood, however, that used herein is descriptive and illustrative language rather than restrictive language.In scope of the following claims that is presently described and that revise, in the scope without departing from scope and spirit of the present utility model, this utility model can be changed.Although being the most described this utility model according to specific mode, material and embodiment, but this utility model is not limited in details disclosed herein;On the contrary, this utility model extends to the structure of all identical functions the most within the scope of the appended claims, methods and applications.