CN219994239U - Rubber shock absorber - Google Patents

Abstract

The utility model discloses a rubber shock absorber which comprises a shock absorber body, a first shock absorption unit, a second shock absorption unit and a protective sleeve, wherein the first shock absorption unit and the second shock absorption unit are sequentially arranged in the shock absorber body, the first shock absorption unit and the second shock absorption unit are suitable for shock absorption of the shock absorber body, double shock absorption can be carried out on the shock absorber body through the arrangement of the first shock absorption unit and the second shock absorption unit, the shock absorption effect is greatly improved, the protective sleeve is sleeved on the outer side of the shock absorber body, the protective sleeve is suitable for protecting the shock absorber body, isolation among the shock absorber body, the first shock absorption unit and the second shock absorption unit and the external environment is achieved, corrosion or abrasion caused by the fact that the shock absorber body, the first shock absorption unit and the second shock absorption unit are in contact with the external environment in the use process is avoided, and the service life of the shock absorber is greatly prolonged.

Description

Rubber shock absorber

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a rubber shock absorber.

Background

Rubber shock absorbers are an important class of shock absorbing elements that have been widely used in various types of machinery, automobiles, railroad locomotives, watercraft, aircraft, and other aircraft. It can be said that the rubber shock absorber is required to be used in places where shock absorption and shock isolation are required. Rubber dampers are so widely used because they effectively utilize many of the characteristics of rubber: the rubber has high elasticity and viscoelasticity; compared with steel materials, the elastic deformation of rubber is large, and the elastic modulus is small; the impact rigidity of rubber is greater than dynamic rigidity, and dynamic rigidity is greater than static rigidity again, is favorable to reducing impact deformation and dynamic deformation, but rubber shock absorber among the prior art often can receive high strength impact, leads to its work load very big, leads to its stability to deteriorate after long-time use, and shock attenuation effect also greatly reduced simultaneously, and rubber shock absorber among the prior art generally all exposes in the outside directly, leads to its easy damage or corruption that takes place, greatly reduced its life.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the rubber shock absorber with good shock absorption effect and long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a rubber shock absorber, includes bumper shock absorber body, first damping unit, second damping unit and protective sheath, first damping unit with the second damping unit set gradually in this internal, first damping unit with the second damping unit is suitable for right the bumper shock absorber body carries out the shock attenuation, the protective sheath cover is located the outside of bumper shock absorber body, the protective sheath is suitable for right the bumper shock absorber body protects.

As one preferable aspect, the damper body includes a first rubber component and a second rubber component, the first rubber component is disposed above the second rubber component, the first rubber component includes a first fixing plate and a protrusion integrally extending from a surface of the first fixing plate to a direction of the second rubber component, a lower end of the protrusion is abutted to the first damper unit, and the second damper unit is disposed outside the protrusion.

As another preferable aspect, the second rubber component includes a second fixing plate and a fixing ring integrally formed to extend from a surface of the second fixing plate toward the first rubber component, and a mounting cavity is defined between the fixing ring and the second fixing plate, the mounting cavity being adapted to mount the first shock absorbing unit.

Further preferably, the first damping unit includes a first damping block and a first damping spring, one end of the first damping spring is fixed in the installation cavity, the other end of the first damping spring is fixed in the lower end of the first damping block, and the upper end of the first damping block is aligned with the protrusion.

Further, the diameter of the inner ring of the stationary ring is larger than the diameter of the outer ring of the boss. The bulge of being convenient for can insert in the installation cavity, slide from top to bottom in the installation cavity in the first shock attenuation unit in the installation cavity simultaneously to reach the absorbing purpose.

Further, the fixed ring is provided with a limiting plate, the limiting plate integrally extends from the inner side of the fixed ring to the circle center direction, and the limiting plate is suitable for limiting the first damping block.

Further, the first snubber block includes joint section and sliding section, sliding section slidable mounting in the installation cavity, the joint section is integrative from the surface of sliding section to protruding direction extends the formation, be equipped with first joint groove on the arch, the joint section is suitable for inserting in the first joint groove, the joint section sliding section and can form between the limiting plate the second joint groove, the arch is suitable for inserting in the second joint groove.

Further, a limiting groove is formed in the fixing ring, one end of the second damping unit is fixed in the limiting groove, and the other end of the second damping unit is fixed at the lower end of the first fixing plate.

Further, the second damping unit is a second damping spring.

Further, the protective sleeve comprises a first protective ring and a second protective ring, the first protective ring is detachably mounted on the first fixing plate, the second protective ring is detachably mounted on the second fixing plate, a limiting cavity is formed in the first protective ring, and the second protective ring extends into the limiting cavity.

Further, the first protection ring and the second protection ring are made of metal materials.

Further, the first fixing plate is provided with a plurality of first mounting holes, a plurality of first mounting holes are distributed on the first fixing plate at intervals, the second fixing plate is provided with a plurality of second mounting holes, and a plurality of second mounting holes are distributed on the second fixing plate at intervals.

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

(1) Through setting up first damping unit and second damping unit, can carry out dual shock attenuation to the bumper shock absorber body, improve its shock attenuation effect greatly.

(2) Through setting up the protective sheath, the protective sheath is suitable for protecting the bumper shock absorber body, realizes keeping apart between bumper shock absorber body, first damping unit and second damping unit three and the external environment, avoids bumper shock absorber body, first damping unit 20, second damping unit three to appear corroding or wearing and tearing the condition with external environment contact in the use, improves the life of bumper shock absorber greatly.

Drawings

Fig. 1 is a perspective view of a rubber damper according to the present utility model.

Fig. 2 is a top view of the rubber damper according to the present utility model.

Fig. 3 is a cross-sectional view taken along A-A in fig. 2 in accordance with the present utility model.

Fig. 4 is an enlarged schematic view of the present utility model at B in fig. 3.

Fig. 5 is a schematic view of the present utility model in a state in which the first rubber member and the second rubber member are separated.

In the figure: 1. a rubber damper; 10. a damper body; 11. a first rubber component; 111. a first fixing plate; 112. a protrusion; 113. a first clamping groove; 12. a second rubber component; 121. a second fixing plate; 122. a fixing ring; 123. a mounting cavity; 124. a limiting plate; 125. a limit groove; 20. a first shock absorbing unit; 21. a first damper block; 211. a clamping section; 212. a sliding section; 213. a second clamping groove; 22. a first damper spring; 30. a second shock absorbing unit; 40. a protective sleeve; 41. a first protection ring; 411. a spacing cavity; 42. and a second protection ring.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The rubber damper 1 shown in fig. 1-5 comprises a damper body 10, a first damper unit 20, a second damper unit 30 and a protective sleeve 40, wherein the first damper unit 20 and the second damper unit 30 are sequentially arranged in the damper body 10, the first damper unit 20 and the second damper unit 30 are suitable for damping the damper body 10, double damping can be carried out on the damper body 10 through the arrangement of the first damper unit 20 and the second damper unit 30, the damping effect is greatly improved, the protective sleeve 40 is sleeved on the outer side of the damper body 10, the protective sleeve 40 is suitable for protecting the damper body 10, isolation among the damper body 10, the first damper unit 20 and the second damper unit 30 and the external environment is achieved, corrosion or abrasion caused by contact of the damper body 10, the first damper unit 20 and the second damper unit 30 with the external environment in the use process is avoided, and the service life of the damper is greatly prolonged.

As shown in fig. 3-5, the damper body 10 includes a first rubber component 11 and a second rubber component 12, the first rubber component 11 is disposed above the second rubber component 12, the first rubber component 11 includes a first fixing plate 111 and a protrusion 112, the protrusion 112 integrally extends from a surface of the first fixing plate 111 toward the second rubber component 12, a lower end of the protrusion 112 abuts against the first damper unit 20, the second damper unit 30 is disposed outside the protrusion 112, and when the rubber damper 1 receives an external force, taking a side of the first rubber component 11 receives the force as an example: the first rubber component 11 can push the first shock absorption unit 20 through the bulge 112, the first shock absorption unit 20 can deform, and the second shock absorption unit 30 can deform, so that the purpose of shock absorption is achieved under the combined action of the first shock absorption unit 20 and the second shock absorption unit 30; after external effort disappears, under the effect of first damping spring 22 and second damping spring, can push first rubber component 11 outwards for first rubber component 11 resumes deformation, can realize the cushioning effect of rubber damper 1 from this, whole shock attenuation process shock attenuation is effectual, and after the shock attenuation under the dual effect of first damping spring 22 and second damping spring, can improve its deformation recovery speed greatly, improve shock attenuation effect, simultaneously through setting up protruding 112, can carry out spacing effect to first damping unit 20 and second damping unit 30, thereby improve the stability of rubber damper 1 in the shock attenuation in-process.

As shown in fig. 5, the second rubber component 12 includes a second fixing plate 121 and a fixing ring 122, the fixing ring 122 integrally extends from the surface of the second fixing plate 121 toward the first rubber component 11, a mounting cavity 123 is defined between the fixing ring 122 and the second fixing plate 121, the mounting cavity 123 is suitable for mounting the first shock absorbing unit 20, and by mounting the first shock absorbing unit 20 in the mounting cavity 123, not only the protection effect on the first shock absorbing unit 20 can be achieved, but also the first shock absorbing unit 20 and the protrusions 112 can deform in the mounting cavity 123, so that a space is provided for deformation of the first shock absorbing unit 20.

As shown in fig. 3-5, the first shock absorbing unit 20 includes a first shock absorbing block 21 and a first shock absorbing spring 22, one end of the first shock absorbing spring 22 is fixed in the mounting cavity 123, the other end of the first shock absorbing spring 22 is fixed at the lower end of the first shock absorbing block 21, the upper end of the first shock absorbing block 21 is aligned with the protrusion 112, when the first rubber component 11 receives external force, the first rubber component 11 can squeeze the first shock absorbing block 21 through the protrusion 112, the first shock absorbing block 21 can slide downwards along the mounting cavity 123, the first shock absorbing spring 22 is compressed, and when the first rubber component 11 loses the external force, the first shock absorbing block 21 and the first rubber component 11 can be deformed under the elastic force of the first shock absorbing spring 22, so as to achieve the purpose of shock absorption.

As a modification, the diameter of the inner ring of the fixing ring 122 is larger than the diameter of the outer ring of the protrusion 112. The protrusion 112 can be conveniently inserted into the installation cavity 123, and simultaneously the first shock absorbing unit 20 in the installation cavity 123 slides up and down in the installation cavity 123, so as to achieve the purpose of shock absorption.

In some embodiments, as shown in fig. 4-5, the fixing ring 122 is provided with a limiting plate 124, and the limiting plate 124 integrally extends from the inner side of the fixing ring 122 to the center direction, and the limiting plate 124 is suitable for limiting the first damper 21. Through setting up limiting plate 124, can carry out spacing operation to the removal of first snubber block 21 in the vertical direction, improve the stability in the shock attenuation process.

In other embodiments, as shown in fig. 3-4, the first damper block 21 includes a clamping section 211 and a sliding section 212, the sliding section 212 is slidably mounted in the mounting cavity 123, the clamping section 211 integrally extends from the surface of the sliding section 212 to the direction of the protrusion 112, the sliding section 212 can move up and down along the mounting cavity 123 under the action of the elastic force of the first damper spring 22 and the external force, the protrusion 112 is provided with a first clamping groove 113, the clamping section 211 is suitable for being inserted into the first clamping groove 113, the first clamping groove 113 is suitable for limiting the clamping section 211, a second clamping groove 213 is formed among the clamping section 211, the sliding section 212 and the limiting plate 124, the protrusion 112 is suitable for being inserted into the second clamping groove 213, and the second clamping groove 213 is suitable for limiting the protrusion 112.

In some embodiments, as shown in fig. 4, a limiting groove 125 is formed on the fixing ring 122, one end of the second damping unit 30 is fixed in the limiting groove 125, the other end of the second damping unit 30 is fixed at the lower end of the first fixing plate 111, and the second damping unit 30 is a second damping spring.

As shown in fig. 3-5, the protection sleeve 40 includes a first protection ring 41 and a second protection ring 42, the first protection ring 41 is detachably mounted on the first fixing plate 111, the second protection ring 42 is detachably mounted on the second fixing plate 121, a limiting cavity 411 is formed in the first protection ring 41, and the second protection ring 42 extends into the limiting cavity 411. When the shock absorber body 10 is deformed under the action of external force, the second protection ring 42 can move along the limiting cavity 411 towards the first fixing plate 111 so as to adapt to the deformation of the shock absorber body 10; when the external force is not applied to the damper body 10, the upper end of the second protection ring 42 is just inserted into the limiting cavity 411, so that the first protection ring 41 and the second protection ring 42 can be enclosed into a closed ring structure, the purpose of protecting the damper body 10 inside the damper is achieved, the condition that the damper is corroded due to long-term exposure of the damper body is avoided, and the service life of the damper is greatly prolonged. In addition, the first protection ring 41 and the second protection ring 42 are arranged to be detachable, so that the first protection ring and the second protection ring can be detached or replaced timely, and the installation or detachment of the first protection ring and the second protection ring is simplified.

Preferably, the first protection ring 41 and the second protection ring 42 are made of metal. The metal material can realize keeping apart between bumper shock absorber body 10 and the external environment to avoid the bumper shock absorber body 10 of rubber material to appear corroding and wearing and tearing the condition at the use with external environment contact, improve the life of bumper shock absorber.

Preferably, the boss 112 is provided with a fixing bolt and a first threaded hole, the first damper block 21 is provided with a second threaded hole, and the bolt is adapted to pass through the first threaded hole and the second threaded hole to connect the first fixing plate 111 and the first damper block 21.

As another preferable example, the first protection ring 41 and the first fixing plate 111 are connected by bolts, and the second protection ring 42 and the second fixing plate 121 are also connected by bolts.

In some embodiments of the present utility model, as shown in fig. 1, the first fixing plate 111 is provided with a plurality of first mounting holes, the plurality of first mounting holes are distributed on the first fixing plate 111 at intervals, the second fixing plate 121 is provided with a plurality of second mounting holes, the plurality of second mounting holes are distributed on the second fixing plate 121 at intervals, and when the rubber damper 1 is mounted, the rubber damper 1 can be mounted at a desired position through the first mounting holes and the second mounting holes.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A rubber shock absorber, characterized in that: including bumper shock absorber body, first damping unit, second damping unit and protective sheath, first damping unit with the second damping unit set gradually in the bumper shock absorber is internal, first damping unit with the second damping unit is suitable for right the bumper shock absorber body carries out the shock attenuation, the protective sheath cover is located the outside of bumper shock absorber body, the protective sheath is suitable for right the bumper shock absorber body protects.

2. The rubber shock absorber of claim 1, wherein: the shock absorber body includes first rubber component and second rubber component, first rubber component set up in the top of second rubber component, first rubber component includes first fixed plate and arch, protruding the body follow first fixed plate's surface is to second rubber component direction extends the formation, bellied lower extreme butt in first shock-absorbing unit, second shock-absorbing unit set up in bellied outside.

3. The rubber shock absorber of claim 2, wherein: the second rubber component comprises a second fixing plate and a fixing ring, the fixing ring integrally extends from the surface of the second fixing plate to the direction of the first rubber component, a mounting cavity is formed between the fixing ring and the second fixing plate in a surrounding mode, and the mounting cavity is suitable for mounting the first damping unit.

4. A rubber shock absorber as in claim 3 wherein: the first damping unit comprises a first damping block and a first damping spring, one end of the first damping spring is fixed in the installation cavity, the other end of the first damping spring is fixed at the lower end of the first damping block, and the upper end of the first damping block is aligned with the protrusion.

5. A rubber shock absorber as in claim 3 wherein: the diameter of the inner ring of the fixing ring is larger than the diameter of the outer ring of the protrusion.

6. The rubber shock absorber of claim 4, wherein: the fixed ring is provided with a limiting plate, the limiting plate integrally extends from the inner side of the fixed ring to the circle center direction to form the limiting plate, and the limiting plate is suitable for limiting the first damping block.

7. The rubber shock absorber of claim 6, wherein: the first damping block comprises a clamping section and a sliding section, the sliding section is slidably mounted in the mounting cavity, the clamping section integrally extends from the surface of the sliding section to the direction of the protrusion to form, a first clamping groove is formed in the protrusion, the clamping section is suitable for being inserted into the first clamping groove, a second clamping groove is formed between the clamping section, the sliding section and the limiting plate, and the protrusion is suitable for being inserted into the second clamping groove.

8. The rubber shock absorber of claim 7, wherein: the fixing ring is provided with a limiting groove, one end of the second damping unit is fixed in the limiting groove, and the other end of the second damping unit is fixed at the lower end of the first fixing plate; the second damping unit is a second damping spring.

9. The rubber shock absorber of any of claims 3-8, wherein: the protective sleeve comprises a first protective ring and a second protective ring, wherein the first protective ring is detachably arranged on the first fixing plate, the second protective ring is detachably arranged on the second fixing plate, a limiting cavity is formed in the first protective ring, and the second protective ring extends into the limiting cavity.

10. The rubber shock absorber of claim 9, wherein: the first protection ring and the second protection ring are made of metal materials.