CN2581752Y

CN2581752Y - Spring vibration damper

Info

Publication number: CN2581752Y
Application number: CN 01275243
Authority: CN
Inventors: 陈东茂
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-30
Filing date: 2001-11-30
Publication date: 2003-10-22
Anticipated expiration: 2011-11-30

Abstract

The utility model relates to a spring vibration damper, which is mainly characterized in that elastic elements are respectively contained in a base fixed on the ground and a top cover which is fixedly coupled with an implement and covers the base; the base is that an annular frame is convexly arranged on a chassis; the top cover is provided with an annular body and an annular post convexly arranged in the center of the annular body; both ends of the elastic elements are respectively abutted on the chassis of the base and the annular post of the top cover, for absorbing longitudinal vibration. Simultaneously, a buffer is arranged between the annular frame of the base and the annular body of the top cover; the buffer can be made of rubber and can adsorb transversal vibration; thereby, the effect on protecting the implement can be achieved.

Description

Vibration resistant spring shock absorber

[technical field]

The utility model relates to a kind of shock absorber, particularly relates to a kind of vertical shake energy that not only can absorb, and can absorb the vibration resistant spring shock absorber of horizontal shake energy effectively.

[background technique]

Common mechanical equipment in the running; itself can produce vibrations usually; and cause displacement and noise; even have influence on machining accuracy; so common solution is to be equiped with several shock absorbers in this machinery bottom; as shown in Figure 1; be a kind of spring rubber convolution shock absorber; it mainly is by a pedestal 10; one elastomer 20 and a load bearing seat 30 constitute; this pedestal 10 is made with the soft elastic material of matter; its both sides respectively convex with an elastomer block 11; these elastomer block 11 epireliefs are extended with a buffer component 12; this buffer component 12 is made of a upright screw rod 121 and a connecting ring 122 that is socketed on; and this elastomer 20 also is to form a hollow circle ring 21 and with a top 22 of its top closure with the soft elastic material of matter; the bottom of this hollow circle ring 21 is fixedly arranged on pedestal 10 central authorities; and contained a spring 23 in inside; this top 22 then is coated with the stiffening plate 221 of a hard; this load bearing seat 30 is placed on the elastomer 20 for carrying weight again; a lug 31 is respectively extended in its both sides; this lug 31 is erected on the screw rod 121 distolateral connecting rings 122 of buffer component 12; whereby; this elastomer 20 and elastomer block 11 can support the load on this load bearing seat 30; and when this load produces vibrations; energy produces suitable distortion and its shake can be sponged; make this load bearing seat 30 keep balance, and reach shockproof purpose.

Though, the vibrations that above-mentioned shock absorber is produced in the time of can bearing the facility running, and its shake can be sponged, only, the elastomer 20 of this shock absorber up and down dilatation to absorb vibration energy longitudinally, and its side is in a single day stressed, then because of not having hard thing to only making it produce distortion to absorb energy, rock so can produce, even tilt and collapse, in addition, this elastomer block 11 is to link with the lug 31 of load bearing seat 30 by the connecting ring 122 of buffer component 12, so a longitudinal stretching power also can only be provided, and can't restrain rocking of lateral aspects effectively, therefore, in case shaking phenomenon all around takes place, this shock absorber can't sponge horizontal shake energy, and easily cause the facility disrepair to damage.

[model utility content]

The purpose of this utility model is to provide a kind of and absorbs horizontal shake energy, and reaches the vibration resistant spring shock absorber of protection facility.

The utility model vibration resistant spring shock absorber consists predominantly of a base, and is arranged on elastic element, on this base and is nested with top cover and on this elastic element and is arranged on buffer body between this base and top cover.This base is to convex with a ring frame above a chassis, and this ring frame inboard has been longitudinally set with several screw rods, and these screw rod bottoms are cemented in the chassis, and the top then protrudes out this ring frame apical margin.This elastic element is positioned at this base ring frame inboard, and the bottom of this elastic element is held on this chassis, and the top then protrudes out this ring frame apical margin.This dome covers this base ring frame, and this top cover is to convex with an annulated column that is hollow shape having unidirectional downward opening ring body central authorities, this annulated column top is a closed shape, the bottom then is open shape, and surround a containing space between this ring body and base ring frame, this ring body top respectively is provided with a perforation corresponding to this base screw rod and places for screw rod again, and between this perforation and screw rod, be provided with the elastic washer that the cross section is the T type, this elastic washer one end wears in the perforation, the other end then can be against this ring body top, and this elastic washer top is provided with a pad and a limit screw cap in regular turn, this limit screw cap is locked in the screw rod appropriate position, with as the spacing usefulness of elastic washer, in addition, the annulated column top of this top cover combines with the facility foot rest, and replaced by elastic element, and make this ring body top and ring frame apical margin have the gap, and this ring body bottom also has the gap with the base chassis.This buffer body is made by rubber, and fills up the containing space between frame in this ring body and ring, and this buffer body bottom is connected to this chassis, and the top then is no more than this ring frame apical margin.

[description of drawings]

Below by most preferred embodiment and accompanying drawing the utility model vibration resistant spring shock absorber is elaborated, in the accompanying drawing:

Fig. 1 is the schematic perspective view of general shock absorber.

Fig. 2 is the exploded perspective view of the utility model first preferred embodiment.

Fig. 3 is the generalized section of the above-mentioned preferred embodiment of the utility model.

Fig. 4 is the top view of the above-mentioned preferred embodiment of the utility model.

Fig. 5 is the generalized section of another elastic element in the utility model second preferred embodiment.

Fig. 6 is the top view of the utility model the 3rd preferred embodiment.

[embodiment]

As Fig. 2, Fig. 3 and shown in Figure 4, first preferred embodiment of the utility model vibration resistant spring shock absorber includes a base 40, an elastic element 50, a top cover 60 and a buffer body 70.

This base 40 is made of a chassis 41, a ring frame 42 and four screw rods 43, this chassis 41 is fixed on the ground 80, and be folded with an antivibration pad 90 between these 41 belows, chassis and the ground 80, this antivibration pad 90 is made by rubber, these 41 tops, chassis convex with this ring frame 42 again, and this ring frame 42 is rectangular, and its inboard nearly four jiaos of places respectively have been longitudinally set with this screw rod 43, these screw rod 43 bottoms are cemented in chassis 41, and the top then protrudes out this ring frame 42 apical margins.

This elastic element 50 is arranged at ring frame 42 inboards of this base 40, and is made of a pressure spring 51 and a board 52, and these pressure spring 51 bottoms are held on the chassis 41 of this base 40, and the top then protrudes out this ring frame 42 apical margins, and binding has this board 52.

This top cover 60 is placed on these elastic element 50 tops, and cover covers the ring frame 42 of this base 40, and this top cover 60 is to convex with an annulated column 62 that is the hollow, rectangular shape having an also rectangular ring body 61 central authorities of unidirectional opening down, these annulated column 62 tops are closed shape, the bottom then is open shape, and this ring body 61 and base 40 42 of frames of ring surround a containing space 110, the top 611 of this ring body 61 respectively is provided with a perforation 612 corresponding to the screw rod 43 of this base 40 and places for screw rods 43 again, and between this perforation 612 and screw rod 43, be provided with the elastic washer 63 that the cross section is the T type, one end of this elastic washer 63 wears in the perforation 612, the other end then can be against the top 611 of ring body 61, and these elastic washer 63 tops are provided with a pad 64 and a limit screw cap 65 in regular turn, this limit screw cap 65 is locked in screw rod 43 appropriate positions, with as elastic washer 63 spacing usefulness, in addition, one adjusts annulated column 62 tops 621 centres that bolt 66 wore this top cover 60, and in annulated column 62 tops 621 of this top cover 60, the outside respectively is provided with a nut 661,662 are screwed on this adjustment bolt 66, and inboard nut 661 is fixed in this annulated column 62 tops 621, the nut 662 in the outside then can be compeled to facility foot rest 100, make these annulated column 62 tops 621 combine with facility foot rest 100, these adjustment bolt 66 bottoms are connected on the board 52 of this elastic element 50 again, and be subjected to the support of this pressure spring 51, and make the apical margin of the top 611 of this ring body 61 and this ring frame 42 have certain between the crack, and the bottom of this ring body 61 also and the chassis 41 of this base 40 have certain between the crack.

This buffer body 70 is made by rubber, and fills up in the ring body 61 of this

top cover

60 and 42 containing spaces that surrounded 110 of ring frame of this base 40, and the bottom of this buffer body 70 is connected to this chassis 41, and the top then is no more than the apical margin of this ring frame 42.

As Fig. 2, shown in Figure 3, when facility foot rest 100 is equiped with the utility model, this elastic element 50 is carrying the weight of facility own, at this moment, can temporarily transfer whole bolt 66 and on movable nut 662 adjust pressure spring 51 elasticities of this elastic element 50, make it keep suitable elasticity, and simultaneously on these base 40 screw rods 43 limit screw cap 65 of institute's screw lock also adjust thereupon, make this elastic washer 63 just be resisted against the top 611 of these top cover 60 ring bodies 61, so, the vertical shake energy that when facility running or earthquake, is produced, will sponge its energy via the compressive strain of pressure spring 51 and elastic washer 63, make facility can not be subjected to the vertically influence of vibrations, and when generation is laterally shaken energy, this top cover 60 can produce relative displacement with facility foot rest 100 and the base that is fixed on ground 80 40, make the ring body 61 of this top cover 60 and ring frame 42 these buffer bodies 70 of relative extruding of base 40, and this elastic washer 63 also can be pushed relatively with the screw rod 43 of base 40 in ring body 61 tops 611 of this top cover 60, simultaneously by the compression deformation ability of this buffer body 70 and packing ring 63 itself, will sponge the energy that transverse shakiness produces, make facility can not be subjected to the influence of transverse shakiness.

So the utility model not only can absorb vertical shake energy, and can sponge horizontal shake energy effectively, make that facility can obtain to ensure further, can not collapsed by earthquake.

In addition, as shown in Figure 5, elastic element 200 in the utility model second preferred embodiment is the kenel that rubber and spring were combined into, this elastic element 200 is by upper and lower bearing 210,220 inner faces that the made section of rubber generally is the U type metallic shim 230,240 that respectively is sticked, and a spring 250 therebetween is set again and forms.

What deserves to be mentioned is, as shown in Figure 6, be the utility model the 3rd preferred embodiment, its ring frame 42 ', ring body 61 ', annulated column 62 ' and buffer body 70 ＇ are all rounded, other member is formed then identical with the first above-mentioned preferred embodiment, and effect is also identical.

By above explanation as can be known, the utility model not only assembly easily, can absorb vertically shake energy, and can absorb horizontal shake energy effectively, make the better protection of facility acquisition.

Claims

1. vibration resistant spring shock absorber includes a base, and is arranged on elastic element, on this base and is nested with top cover and on this elastic element and is arranged on buffer body between this base and top cover, it is characterized in that:

This base is to convex with a ring frame above a chassis, and this ring frame inboard has been longitudinally set with several screw rods, and these screw rod bottoms are cemented in the chassis, and the top then protrudes out this ring frame apical margin;

This elastic element is positioned at this base ring frame inboard, and this elastic element bottom is held on this chassis, and the top then protrudes out this ring frame apical margin;

This dome covers this base ring frame, and this top cover is to convex with an annulated column that is hollow shape having unidirectional downward opening ring body central authorities, this annulated column top is a closed shape, the bottom then is open shape, and surround a containing space between this ring body and base ring frame, this ring body top respectively is provided with a perforation corresponding to this base screw rod again, and between this perforation and screw rod, be provided with the elastic washer that the cross section is the T type, this elastic washer one end wears in the perforation, the other end then can be against this ring body top, and this elastic washer top is provided with a pad and a limit screw cap in regular turn, this limit screw cap is locked in the screw rod appropriate position, and the annulated column top of this top cover combines with the facility foot rest in addition, and replaced by elastic element, and make this ring body top and ring frame apical margin have the gap, and this ring body bottom also has the gap with the base chassis; And

This buffer body is made by rubber, and fills up the containing space between frame in this ring body and ring, and this buffer body bottom is connected to this chassis, and the top then is no more than ring frame apical margin.

2. vibration resistant spring shock absorber as claimed in claim 1 is characterized in that: the below, chassis of this base is provided with an antivibration pad, and this antivibration pad is made by rubber.

3. vibration resistant spring shock absorber as claimed in claim 1 is characterized in that: this elastic element is made of a pressure spring and a board, and this board is located at the top of this pressure spring.

4. vibration resistant spring shock absorber as claimed in claim 1 is characterized in that: this elastic element is at the metallic shim that respectively is sticked by the made upper and lower bearing inner face of rubber, therebetween is provided with a spring again.