CN219570707U - engine shock absorber - Google Patents

Abstract

The utility model provides an engine vibration-absorbing block, which relates to the field of automobile parts production and manufacturing, comprising: a fixed plate and an engine rigid mass block arranged on the fixed plate; the engine rigid mass block includes a connected first mass part, a second A mass part and a third mass part, the upper part of the first mass part is connected with a second mass part, the second mass part has a hexahedral structure, the third mass part has a pentahedral structure, and the third mass part One side of the upper surface of the second mass part is connected to one side of the lower part of one side of the side. The utility model is provided with the engine rigid mass block with the first mass part, the second mass part and the third mass part, so that the rigid mass block can absorb the vibration frequency of 700-750 Hz, which is compatible with the vibration frequency of the engine, and solves the problem of The problem that the existing vibration-absorbing block cannot be used for engine vibration-absorbing is solved.

Description

engine shock absorber

technical field

The utility model relates to the field of production and manufacture of auto parts, in particular to an engine vibration-absorbing block.

Background technique

With the rapid development of the modern automobile industry, people have higher requirements for the comfort of automobiles. In the field of automobile manufacturing, NVH (Noise, Vibration, Harshness) is recognized as the main index to measure the comfort of automobiles. Once done, test it for NVH.

In the existing anti-vibration technology of automobiles, if a component is found to resonate at a certain frequency, resulting in deterioration of NVH, vibration and noise of the whole vehicle, a resonant block with the same frequency will be developed and assembled on this component , in order to achieve the purpose of improving the NVH of the whole vehicle, as patent CN109210143A discloses a transmission shaft vibration absorbing block, by arranging the vibration absorbing block on the transmission shaft, the vibration of the transmission shaft is absorbed. Patent CN215171764U discloses a vibration-absorbing block of an automobile sub-frame, which absorbs the vibration of the sub-frame.

However, patents CN109210143A and CN215171764U have certain shortcomings. The vibration frequencies produced by different parts of the car are different. For example, the frequency generated by the engine is 700-750 Hz, and the existing vibration-absorbing blocks cannot be directly used in other parts. The prior art does not relate to a vibration-absorbing device specially used for an engine. To sum up, a vibration-absorbing block for an engine remains to be invented.

Utility model content

The utility model provides an engine vibration absorbing block, which solves the problem that the existing vibration absorbing block cannot be used for engine vibration absorption.

For achieving above object, the technical scheme that the utility model takes is:

An engine vibration-absorbing block, comprising: a fixed plate and an engine rigid mass block arranged on the fixed plate; the engine rigid mass block includes a connected first mass part, a second mass part and a third mass part, the first mass part The upper part of the mass part is connected with a second mass part, the second mass part is a hexahedral structure, the third mass part is a pentahedral structure, the lower part of one side of the third mass part is connected to the second mass part One side of the upper surface is connected.

Further, the first mass part includes a first connecting column and a second connecting column, and the first connecting column is connected to the fixing plate through bolts.

Further, a vibration-absorbing sheet is arranged between the first connecting column, the second connecting column and the fixing plate.

Further, the vertical projection of the second mass part on the plane is a hexagon, and two inward concave arcs are arranged on the first side of the hexagon, and the first side of the hexagon The connection with the second side is an outwardly convex rounded corner, and the connection between the second side and the third side of the hexagon is an inward concave rounded corner.

Further, the surface of the third mass part away from the second mass part is an arc surface.

Further, the vibration-absorbing sheet is made of rubber.

The beneficial effects of the utility model are:

The utility model is provided with the rigid mass block of the engine with the first mass part, the second mass part and the third mass part, so that the rigid mass block can absorb the vibration frequency of 700-750 Hz, which is compatible with the vibration frequency of the engine, and solves the problem of The problem that the existing vibration-absorbing block cannot be used for engine vibration-absorbing is solved.

The utility model absorbs the vibration of the longitudinal frequency on the engine by arranging the first mass part, and absorbs the vibration of the transverse frequency on the engine by arranging the second mass part and the third mass part;

Description of drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the three-dimensional structural view of the utility model.

Fig. 2 is the front view of the utility model.

Fig. 3 is a side view of the utility model.

Fig. 4 is a top view of the utility model.

Explanation of reference numbers:

1. Fixed plate; 2. The first mass part; 3. The second mass part; 4. The third mass part; 5. The first connecting column; 6. The second connecting column; ; 9, the second side; 10, the third side; 11, the curved surface.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature, and in no way serves as any limitation of the invention and its application or use. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that the terminology used here is only used to describe specific embodiments, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be clear that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present utility model, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate The orientation or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the referred device Or components must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as limiting the protection scope of the present utility model: the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. its underlying device or construction". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. To limit the scope of protection of the utility model.

The utility model provides a technical solution: an engine vibration-absorbing block, as shown in Figure 1-4, a fixed plate 1 and an engine rigid mass block arranged on the fixed plate 1; the engine rigid mass block includes a connected first The mass part 2, the second mass part 3 and the third mass part 4, the upper part of the first mass part 2 is connected with the second mass part 3, the second mass part 3 is a hexahedral structure, and the third mass part 4 is a pentahedron structure, and the lower part of one side of the third mass part 4 is connected to one side of the upper surface of the second mass part 3 . The first mass part 2 includes a first connecting column 5 and a second connecting column 6 , and the first connecting column 5 is connected to the fixing plate 1 through bolts. A vibration-absorbing sheet 7 is arranged between the first connecting column 5 and the second connecting column 6 and the fixing plate 1 . The vertical projection of the second mass part 3 on the plane is a hexagon, and two inward concave arcs are arranged on the first side 8 of the hexagon, and the first side 8 of the hexagon The connection with the second side 9 is an outwardly convex rounded corner, and the connection between the second side 9 and the third side 10 of the hexagon is an inward concave rounded corner. The surface of the third mass part 4 away from the second mass part 3 is an arc surface 11 . The vibration-absorbing sheet 7 is made of rubber.

The working principle of the utility model is as follows: the utility model is installed on the automobile engine, and the vibration of the engine is transmitted to the engine during the driving of the vehicle. The natural mode frequency value of the engine vibration-absorbing block is the same as the corresponding problem frequency of the engine, so that the NVH level in the car reaches an acceptable level, and the vibration is absorbed by the rigid mass block of the engine, thereby reducing the noise transmitted from the engine to the cab and improving the overall performance. Vehicle NVH purposes.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and its inventive concept shall be covered by the protection scope of the present utility model.

Claims (6)

1. An engine vibration-absorbing block is characterized in that, comprising: a fixed plate (1) and an engine rigid mass block arranged on the fixed plate (1); the engine rigid mass block includes a connected first mass portion (2) , the second quality part (3) and the third quality part (4), the upper part of the first quality part (2) is connected with the second quality part (3), and the second quality part (3) is a hexahedral structure , the third mass part (4) has a pentahedral structure, and the lower part of one side of the third mass part (4) is connected to one side of the upper surface of the second mass part (3). 2. The engine vibration-absorbing block according to claim 1, characterized in that: the first mass part (2) includes a first connecting column (5) and a second connecting column (6), and the first connecting column ( 5) Connect with the fixed plate (1) by bolts. 3. The engine vibration-absorbing block according to claim 2, characterized in that: a vibration-absorbing sheet (7) is arranged between the first connecting column (5) and the second connecting column (6) and the fixing plate (1). 4. The engine vibration-absorbing block according to claim 1, characterized in that: the vertical projection of the second mass part (3) on the plane is a hexagon, and the first side (8) of the hexagon Two inward concave arcs are provided, the connection between the first side (8) and the second side (9) of the hexagon is an outwardly protruding rounded corner, and the second side of the hexagon (9) The junction with the third side (10) is an inwardly concave rounded corner. 5. The engine vibration-absorbing block according to claim 1, characterized in that: the surface of the third mass part (4) away from the second mass part (3) is an arc surface (11). 6. The engine vibration-absorbing block according to claim 3, characterized in that: the vibration-absorbing sheet (7) is made of rubber.