CN217421990U - Composite spring damping vibration absorber - Google Patents

Abstract

The utility model discloses a composite spring damping shock absorber, which comprises a base, a shell and a first spring, wherein the upper surface of the base is fixedly connected with one end of a connecting column, the other end of the connecting column is fixedly connected with the shell, the upper surface of the shell is provided with a supporting plate, and a bolt is connected with the supporting plate through a thread; the utility model discloses a be provided with first spring, the solid fixed cylinder of first solid fixed cylinder and second, the backup pad promotes the first solid fixed cylinder downstream, and then can promote first spring downstream, make first spring compressed, when first solid fixed cylinder downstream, the lug can inject in the recess, the intensity to first spring compressed plays the effect of restriction, avoid first spring compression excessive, the compression of avoiding the spring exceeds the elasticity scope for a long time, avoid causing the spring to be difficult to the elasticity before resumeing, prevent to cause the bumper shock absorber to lose absorbing effect, the life of bumper shock absorber has been prolonged.

Description

Composite spring damping vibration absorber

Technical Field

The utility model relates to a damping shock absorber technical field specifically is a compound spring damping shock absorber.

Background

In chemical production or mechanical production process, need often use large-scale equipment, mechanical equipment such as centrifugal fan, water pump, air conditioning unit, under the condition of large-scale equipment work, often can produce great noise, and probably produce in the operation of equipment in-process and rock, consequently need fix large-scale equipment, just need use the bumper shock absorber this moment, set up a plurality of bumper shock absorbers in the below and fixed connection of large-scale equipment, again with bumper shock absorber and ground or other platform fixed connection, however, current compound spring damping bumper shock absorber is when using, still have some not enoughly, for example:

in the prior art, most spring shock absorbers are made of metal materials such as cast iron and aluminum alloy, and when the compression of a spring exceeds the elastic range for a long time, the spring is easy to restore the elasticity before, so that the shock absorber loses the shock absorption effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound spring damping shock absorber to what solve spring damper mostly adopts is that metal material such as cast iron, aluminum alloy makes, when the compression of spring surpassed the elasticity scope for a long time, causes the spring to be difficult to the elasticity before resumeing easily, thereby causes the technical problem that the shock absorber loses absorbing effect.

In order to achieve the above object, the utility model provides a following technical scheme: a composite spring damping vibration absorber comprises a base, a shell and a first spring, wherein the upper surface of the base is fixedly connected with one end of a connecting column, the other end of the connecting column is fixedly connected with the shell, the upper surface of the shell is provided with a supporting plate, the supporting plate is in threaded connection with a bolt, the lower surface of the supporting plate is fixedly connected with a first fixing cylinder, the lower surface of the first fixed cylinder is fixedly provided with a plurality of convex blocks, the upper surface of the inner wall of the shell is fixedly connected with a second fixed cylinder, the upper surface of the second fixed cylinder is provided with a plurality of grooves, and the upper surface of the inner wall of the groove is welded with a second spring, one end of the second spring is welded with a moving plate, the lug is inserted with the groove, and the lug is movably connected with the groove, one end of the first spring is inserted into the first fixed cylinder, and the other end of the first spring penetrates through the connecting column to be inserted into the base.

Preferably, the equal fixedly connected with connecting rod in both sides of first fixed cylinder, shells inner wall's both sides all are provided with the spacing groove, the one end of connecting rod with the spacing groove is pegged graft, and the connecting rod with spacing groove sliding connection.

Preferably, an elastic material layer is adhered to the inner wall of the first fixing cylinder, and the elastic material layer clamps and fixes one end of the first spring.

Preferably, the diameter sizes of the first fixed cylinder and the second fixed cylinder are equal, and the center lines of the first fixed cylinder and the second fixed cylinder are on the same straight line.

Preferably, the grooves correspond to the bumps in position, six bumps are arranged on the grooves, and the six bumps and the six grooves are uniformly distributed.

Preferably, only fixing holes are formed in four corners of the upper surface of the base.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is provided with the first spring, the first fixed cylinder and the second fixed cylinder, the fixed holes are used for fixing the shock absorber and the external parts, when the base normally works, the base needs to be fixedly connected with the ground or a platform and the like to prevent the shock absorber from moving or shaking, the bolt is used for fixing the shock absorber and external parts, when the support plate is extruded by the outside, the support plate pushes the first fixing cylinder to move downwards, thereby pushing the first spring to move downwards, so that the first spring is compressed, when the first fixed cylinder moves downwards, the lug can be inserted into the groove, the first spring is prevented from being compressed excessively, the spring is prevented from being compressed for a long time beyond the elastic range, the spring is prevented from being difficult to restore the elasticity before, the shock absorber is prevented from losing the shock absorption effect, and the service life of the shock absorber is prolonged; through being provided with second spring and movable plate, the lug injects in the recess, can make the movable plate promote the motion of second spring for the second spring is compressed, and the second spring can play the effect of shock attenuation, buffering to the lug, through being provided with connecting rod and spacing groove, when first solid fixed cylinder downstream, the connecting rod slides in the spacing groove, can play spacing effect to the motion of first solid fixed cylinder, makes first solid fixed cylinder keep linear motion.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base; 2. connecting columns; 3. a housing; 4. a support plate; 5. a first fixed cylinder; 6. a bolt; 7. a first spring; 8. a connecting rod; 9. a limiting groove; 10. a second fixed cylinder; 11. a fixing hole; 12. a bump; 13. a second spring; 14. and (5) moving the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a composite spring damping vibration absorber comprises a base 1, a shell 3 and a first spring 7, wherein the upper surface of the base 1 is fixedly connected with one end of a connecting column 2, the other end of the connecting column 2 is fixedly connected with the shell 3, the upper surface of the shell 3 is provided with a supporting plate 4, the supporting plate 4 is in sliding connection with the shell 3, a bolt 6 is in threaded connection with the supporting plate 4, the lower surface of the supporting plate 4 is fixedly connected with a first fixed cylinder 5, the lower surface of the first fixed cylinder 5 is fixedly provided with a plurality of convex blocks 12, the upper surface of the inner wall of the shell 3 is fixedly connected with a second fixed cylinder 10, the upper surface of the second fixed cylinder 10 is provided with a plurality of grooves, the upper surface of the inner wall of each groove is welded with a second spring 13, one end of each second spring 13 is welded with a movable plate 14, each convex block 12 is spliced with each groove, each convex block 12 is movably connected with each groove, one end of each first spring 7 is spliced with each first fixed cylinder 5, the other end of the first spring 7 penetrates through the connecting column 2 to be inserted into the base 1, and the connecting column 2 is of a hollow structure.

When the shock absorber is used, the fixing hole 11 is used for fixing the shock absorber and external parts, when the shock absorber normally works, the base 1 needs to be fixedly connected with the ground or a platform and the like to prevent the shock absorber from moving or shaking, the bolt 6 is used for fixing the shock absorber and the external parts, when the support plate 4 is extruded from the outside, the support plate 4 pushes the first fixing cylinder 5 to move downwards, and then can push the first spring 7 to move downwards, so that the first spring 7 is compressed, when the first fixing cylinder 5 moves downwards, the lug 12 can be inserted into the groove to play a role in limiting the compressed strength of the first spring 7, so that the first spring is prevented from being compressed excessively, the situation that the compression of the spring exceeds an elastic range for a long time is avoided, the situation that the spring is difficult to restore the elasticity before the spring is avoided, the situation that the shock absorber loses the shock absorption effect is avoided, the service life of the shock absorber is prolonged, and through the arrangement of the second springs 13 and the movable plate 14, in lug 12 injects the recess, can make the movable plate 14 promote the motion of second spring 13 for second spring 13 is compressed, and second spring 13 can play the shock attenuation, the effect of buffering to lug 12, through being provided with connecting rod 8 and spacing groove 9, when first solid fixed cylinder 5 downstream, connecting rod 8 slides in spacing groove 9, can play spacing effect to the motion of first solid fixed cylinder 5, makes first solid fixed cylinder 5 keep linear motion.

Wherein, the equal fixedly connected with connecting rod 8 in both sides of first fixed cylinder 5, the both sides of casing 3 inner wall all are provided with spacing groove 9, and the one end and the spacing groove 9 of connecting rod 8 are pegged graft, and connecting rod 8 with spacing groove 9 sliding connection.

Wherein, the elastic material layer is pasted to the inner wall of first fixed section of thick bamboo 5, and the elastic material layer is fixed with the one end centre gripping of first spring 7, can be fixed to the one end centre gripping of first spring 7, plays spacing effect to first spring 7.

The diameter sizes of the first fixed cylinder 5 and the second fixed cylinder 10 are equal, the center lines of the first fixed cylinder 5 and the second fixed cylinder 10 are on the same straight line, and when the first fixed cylinder 5 moves downwards, the bump 12 can be inserted into the groove.

The positions of the grooves correspond to those of the bumps 12, when the first fixing cylinder 5 moves downwards, the bumps 12 can be inserted into the grooves, the six bumps 12 and the six grooves are respectively arranged, and the six bumps 12 and the six grooves are respectively and uniformly distributed, so that the stress is uniform.

Wherein, the four corners of the upper surface of the base 1 are provided with only fixing holes 11 for installing the shock absorber.

The working principle is as follows: when the shock absorber is used, the fixing hole 11 is used for fixing the shock absorber and external parts, when the shock absorber normally works, the base 1 needs to be fixedly connected with the ground or a platform and the like to prevent the shock absorber from moving or shaking, the bolt 6 is used for fixing the shock absorber and the external parts, when the support plate 4 is extruded from the outside, the support plate 4 pushes the first fixing cylinder 5 to move downwards, and then can push the first spring 7 to move downwards, so that the first spring 7 is compressed, when the first fixing cylinder 5 moves downwards, the lug 12 can be inserted into the groove to play a role in limiting the compressed strength of the first spring 7, so that the first spring is prevented from being compressed excessively, the situation that the compression of the spring exceeds an elastic range for a long time is avoided, the situation that the spring is difficult to restore the elasticity before the spring is avoided, the situation that the shock absorber loses the shock absorption effect is avoided, the service life of the shock absorber is prolonged, and through the arrangement of the second springs 13 and the movable plate 14, in lug 12 injects the recess, can make the movable plate 14 promote the motion of second spring 13 for second spring 13 is compressed, and second spring 13 can play the shock attenuation, the effect of buffering to lug 12, through being provided with connecting rod 8 and spacing groove 9, when first solid fixed cylinder 5 downstream, connecting rod 8 slides in spacing groove 9, can play spacing effect to the motion of first solid fixed cylinder 5, makes first solid fixed cylinder 5 keep linear motion.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a compound spring damping shock absorber, includes base (1), spliced pole (2), casing (3) and first spring (7), the upper surface of base (1) with the one end fixed connection of spliced pole (2), the other end of spliced pole (2) with casing (3) fixed connection, the upper surface of casing (3) is provided with backup pad (4), threaded connection has bolt (6), its characterized in that on backup pad (4): the lower fixed surface of backup pad (4) is connected with first solid fixed cylinder (5), the lower fixed surface of first solid fixed cylinder (5) is provided with a plurality of lug (12), the solid fixed surface of the last fixed surface of casing (3) inner wall is connected with solid fixed cylinder (10) of second, the upper surface of the solid fixed cylinder of second (10) is provided with a plurality of recess, and the last surface welding of recess inner wall has second spring (13), the one end welding of second spring (13) has movable plate (14), lug (12) are pegged graft with the recess, and lug (12) with recess swing joint, the one end of first spring (7) with gu fixed cylinder (5) peg graft, the other end of first spring (7) passes spliced pole (2) with base (1) is pegged graft.

2. A compound spring damped shock absorber according to claim 1 wherein: the equal fixedly connected with connecting rod (8) in both sides of first fixed cylinder (5), the both sides of casing (3) inner wall all are provided with spacing groove (9), the one end of connecting rod (8) with spacing groove (9) are pegged graft, and connecting rod (8) with spacing groove (9) sliding connection.

3. A compound spring damped shock absorber according to claim 1 wherein: an elastic material layer is adhered to the inner wall of the first fixing cylinder (5), and the elastic material layer clamps and fixes one end of the first spring (7).

4. A compound spring damped shock absorber according to claim 1 wherein: the diameter sizes of the first fixed cylinder (5) and the second fixed cylinder (10) are equal, and the center lines of the first fixed cylinder (5) and the second fixed cylinder (10) are on the same straight line.

5. A compound spring damped shock absorber according to claim 1 wherein: the groove corresponds to the position of the bump (12), the bump (12) and the groove are respectively provided with six, and the six bumps (12) and the groove are respectively and uniformly distributed.

6. A compound spring damped shock absorber according to claim 1 wherein: the four corners of the upper surface of the base (1) are provided with only fixing holes (11).

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