CN209040997U - A kind of particles filled formula inlet manifold vibration-proof structure - Google Patents

Abstract

The utility model relates to a kind of particles filled formula inlet manifold vibration-proof structures, including inlet manifold ontology, one or more cavitys are provided in the inlet manifold ontology, filled with the energy-obsorbing and damping particle to inlet manifold vibration damping in the cavity, vibrate the energy-obsorbing and damping particle of cavity inside using the vibration that engine brings inlet manifold, phase mutual friction reduces the vibration of inlet manifold.Compared with prior art, the utility model structure has passive effectiveness in vibration suppression, without using extra power, only power source is provided by the vibration of engine itself, without in addition increasing power source, energy-obsorbing and damping particle can be generated vibration, play effectiveness in vibration suppression, it is mutually collided by the particle of high-frequency vibration to reduce energy, frequency is higher, and shock is more frequent, and damping effect is better, in addition, to inlet manifold itself structural modification and little.

Description

A kind of particles filled formula inlet manifold vibration-proof structure

Technical field

The utility model belongs to engine component technical field, and in particular to a kind of particles filled formula inlet manifold vibration damping Structure.

Background technique

Inlet manifold is one of the component of engine most critical, core function be provided for each cylinder of engine it is sufficient and equal Even gaseous mixture, therefore it is the key factor for influencing engine power performance and oil consumption, the vibration of inlet manifold influences engine Overall operation situation.Impact can be generated to inlet manifold when automobile vibration, influence inlet manifold for each cylinder of engine and abundance is provided And the quality of uniform gaseous mixture, can also the main sensors and actuator being installed on inlet manifold assembly be generated with vibration shadow It rings, to influence engine normal operation.The impact vibrated to inlet manifold is effectively reduced, engine caused by preventing because of vibration It is not normally functioning, becomes those skilled in the art's technical problem urgently to be resolved.

Requirement of the Hyundai Motor to NVH performance is higher and higher, and the vibration for reducing automobile also becomes particularly important.This can be mentioned A series of mesomerism problems caused by the comfort that height rides in an automobile can also reduce because of vibration.Since inlet manifold is direct and hair The high-frequency vibration of motivation connection, engine is the resonance for being possible to cause inlet manifold, leads to the damage of inlet manifold, also having can The vibratory output of engine can be passed into vehicle body by automobile inlet manifold, declined so as to cause the NVH performance of vehicle, in addition, Since most of inlet manifold is plastic part, traditional mechanical vibration reducing device can not be installed additional.

Chinese patent CN206175111U discloses a kind of vibration damping inlet manifold, including an inlet manifold ontology and a setting Electronic component on the inlet manifold ontology is adopted on the inlet manifold ontology and around the electronic component With the reinforcement arrangement of rice font to form a meter word muscle, on the inlet manifold ontology and far from the electronic component position It uses latticed reinforcement arrangement to form grid ribs, by this vibration damping inlet manifold, reduces electronics in inlet manifold The vibration of component, the added rice font reinforcing rib around electronic component, reduce because change it is excessive caused by canister electromagnetism The vibration of valve or throttle body is excessive, but the structure carries out vibration damping mainly for the component being mounted in inlet manifold, prevents They are damaged, and the effectiveness in vibration suppression for inlet manifold ontology is simultaneously bad.

Utility model content

The purpose of this utility model is exactly to provide a kind of particles filled formula inlet manifold vibration damping to solve the above-mentioned problems Structure.

The purpose of this utility model is achieved through the following technical solutions:

A kind of particles filled formula inlet manifold vibration-proof structure, including inlet manifold ontology are set in the inlet manifold ontology One or more cavitys are equipped with, the energy-obsorbing and damping particle to inlet manifold vibration damping is filled in the cavity, utilizes engine band Vibrate the energy-obsorbing and damping particle of cavity inside to the vibration of inlet manifold, phase mutual friction reduces the vibration of inlet manifold.

Further, the cavity is set to the stronger position of inlet manifold vibration, at air intake branch.

Further, the cavity is closed cavity, is sealed by the lid of rotation, and disassembly, filling can be passed through Or the energy-obsorbing and damping particle inside replacement.

Further, the energy-obsorbing and damping particle is plastic grain.

Further, the loading of the plastic grain is the 1/4-1/2 of cavity volume, has better phase in vibration Mutual friction effect, if loadings are excessive, be more than cavity more than half when, plastic grain oscillation space is limited, is unfavorable for particle hair Wave vibration rubbing action, if loadings are excessive, less than cavity volume 1/4 when, particle is very few, and energy-absorbing function is too weak, is not achieved It is required that.

Further, the energy-obsorbing and damping particle is fragile material or other have the material for absorbing impact force, such as ACF people Work cartilage foam has more preferably vibration damping and energy-absorbing effect.

Compared with prior art, the utility model structure has the advantages that

1, there is passive effectiveness in vibration suppression: without using extra power, being provided simply by the vibration of engine itself dynamic Power source increases power source without other, energy-obsorbing and damping particle can be generated to vibration, and then carry out between each other in cavity inside Effect, play effectiveness in vibration suppression；

2, structure is simple: only need to increase cavity, and filler particles inside it, to inlet manifold structural modification itself And less.

3, effectiveness in vibration suppression is prominent: it mutually collides to reduce energy by the particle of high-frequency vibration, and frequency is higher, and shock is got over Frequently, damping effect is better.

Detailed description of the invention

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

In figure: 1- cavity；2- energy-obsorbing and damping particle.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

Embodiment

A kind of particles filled formula inlet manifold vibration-proof structure, as shown in Figure 1, including inlet manifold ontology, inlet manifold sheet In vivo, at the stronger position of vibration for needing vibration damping, as cavity 1 is arranged at air intake branch, and energy-obsorbing and damping is filled in cavity Particle 2 vibrates the energy-obsorbing and damping particle of cavity inside by bringing the vibration of inlet manifold using engine, phase mutual friction To reduce the vibration of inlet manifold.

Specifically, cavity is closed cavity, is sealed by the lid of rotation, and disassembly, filling or replacement can be passed through Internal energy-obsorbing and damping particle, energy-obsorbing and damping particle can use plastic grain, such as polyurethane material, the partial size control of plastic grain For system in 5mm or so, loading is the 1/2 of cavity volume, such plastic grain object have in vibration better phase mutual friction, Absorb vibrational energy.In addition, energy-obsorbing and damping particle can also be using other fragile materials or other materials with absorption impact force Matter, such as ACF artificial cartilage foam.

The utility model is to solve the problems, such as inlet manifold ontology vibration damping, in inlet manifold body interior setting cavity, and Inside cavity loads energy-obsorbing and damping particle, and there is passive effectiveness in vibration suppression to pass through the vibration of engine itself without using extra power It moves to provide power source, energy-obsorbing and damping particle is generated into vibration, and then carry out mutual effect in cavity inside, play and subtract Vibration effect, is mutually collided by the particle of high-frequency vibration to reduce energy, and frequency is higher, and shock is more frequent, and damping effect is got over It is good.

It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and Modification should be all within the protection scope of the utility model.

Claims (6)

1. a kind of particles filled formula inlet manifold vibration-proof structure, including inlet manifold ontology, which is characterized in that the inlet manifold It is provided with one or more cavitys in ontology, the energy-obsorbing and damping particle to inlet manifold vibration damping is filled in the cavity.

2. a kind of particles filled formula inlet manifold vibration-proof structure according to claim 1, which is characterized in that the cavity is set It is placed in inlet manifold and vibrates stronger position.

3. a kind of particles filled formula inlet manifold vibration-proof structure according to claim 1, which is characterized in that the cavity is Closed cavity is sealed by the lid of rotation.

4. a kind of particles filled formula inlet manifold vibration-proof structure according to claim 1, which is characterized in that the energy-absorbing subtracts Vibration particle is plastic grain.

5. a kind of particles filled formula inlet manifold vibration-proof structure according to claim 4, which is characterized in that the plastics The loading of grain is the 1/4-1/2 of cavity volume.

6. a kind of particles filled formula inlet manifold vibration-proof structure according to claim 1, which is characterized in that the energy-absorbing subtracts Vibration particle is fragile material.