CN216942650U - Support and mounting structure and vehicle - Google Patents

Abstract

The utility model relates to a bracket, a mounting structure and a vehicle, wherein the bracket comprises a bracket main body, wherein a first connecting part is arranged on the bracket main body, and a plurality of connecting arms are arranged on the bracket main body; the connecting arms are distributed at intervals along the circumferential direction of the support main body, one end of each connecting arm is fixedly connected with the support main body, and the other end of each connecting arm is provided with a second connecting portion. According to the bracket, the plurality of connecting arms with the second connecting parts are arranged on the bracket main body and are distributed at intervals along the circumferential direction of the bracket main body, so that the bracket is provided with a plurality of connecting positions, the plurality of connecting positions distributed along the circumferential direction can be utilized, the restraint effect of the bracket in use is improved, the sensitivity of vibration transmission of the bracket is reduced, and the attenuation of vibration excitation is facilitated.

Description

Support and mounting structure and vehicle

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a bracket, and also relates to a mounting structure with the bracket and a vehicle adopting the mounting structure.

Background

With the continuous development of automobile technology, the requirement of users on the driving comfort of vehicles is higher and higher, wherein noise vibration is one of the most direct comfortable indexes felt by users when driving, so that the influence factors of vehicle enterprises on the noise vibration are particularly emphasized.

In the new energy automobile, taking a support structure for connecting a motor reducer and a motor suspension as an example, excitation of the motor reducer is transmitted to the suspension through the support, and after the suspension attenuates the excitation of vibration through self vibration isolation and rigidity performance, unattenuated energy is transmitted to an automobile body. In the transmission process, if the support structure can reduce the excitation of the motor reducer, the vibration attenuation of the whole suspension system is facilitated. At present, the sensitivity of the support vibration transmission is reduced by increasing the thickness of the support in some car enterprises, but the increase of the weight and the cost is caused by simply increasing the thickness of the support, so that the lightweight design and the cost reduction are not facilitated.

In addition, for a new energy automobile, because the starting torque of the motor is large, the starting displacement of the motor is large, and shock is easily generated during starting to cause vibration abnormal sound. Therefore, the starting displacement of the motor is controlled by lifting the suspension rigidity of some vehicle enterprises so as to avoid generating vibration abnormal sound. However, the suspension stiffness is improved, so that the suspension vibration attenuation performance is deteriorated, and the noise and vibration in the vehicle are large under the working conditions of acceleration and constant speed.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a bracket, so as to improve the constraint effect of the bracket and reduce the sensitivity of the bracket for transmitting vibration.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a bracket comprises a bracket main body, wherein a first connecting part is arranged on the bracket main body, and a plurality of connecting arms are arranged on the bracket main body; the plurality of connecting arms are distributed at intervals along the circumferential direction of the bracket main body, one end of each connecting arm is fixedly connected with the bracket main body, and the other end of each connecting arm is provided with a second connecting part.

Further, the bracket main body comprises a first main board and a second main board, and the second main board is fixedly connected to one end of the first main board and extends to one side of the first main board;

the linking arm is including linking firmly first linking arm on the first mainboard, and link firmly second linking arm on the second mainboard, just first linking arm with the second mainboard to extend with one side of first mainboard.

Furthermore, the number of the first connecting arms is at least two, the first connecting arms are respectively arranged on two opposite sides of the first main plate, and the first connecting arms and the first main plate are connected to form an arch structure.

Furthermore, the second connecting arms are at least two connecting arms fixedly connected to one end, far away from the first mainboard, of the second mainboard, and the second connecting arms are respectively arranged on two opposite sides of the second mainboard.

Furthermore, first connecting portion locate on the first mainboard, and the rubber body has been linked firmly on the first mainboard, first connecting portion with the rubber body is established respectively on the double-phase offside terminal surface of first mainboard, just the rubber body with the second mainboard to the same side extension of first mainboard.

Furthermore, the rubber body is embedded with a mass block, and the mass block is one, or the mass block is a plurality of that are distributed along the extending direction of the rubber body at intervals.

Furthermore, the rubber body is cylindrical, just be close to of second mainboard one side of the rubber body is equipped with dodges the groove, and part the rubber body embedding dodge in the groove.

Further, the first connecting portion comprises a first connecting hole formed in the bracket main body, and the second connecting portion comprises a second connecting hole formed in the connecting arm.

Compared with the prior art, the utility model has the following advantages:

according to the bracket, the plurality of connecting arms with the second connecting parts are arranged on the bracket main body and are distributed at intervals along the circumferential direction of the bracket main body, so that the bracket can have a plurality of connecting positions, the plurality of connecting positions distributed along the circumferential direction can be utilized, the restraint effect of the bracket is improved, the sensitivity of vibration transmission of the bracket is reduced, and the damping of vibration excitation is facilitated.

In addition, the two first connecting arms and the first main board are connected to form an arch structure, the structural strength of the bracket can be improved, the bracket can be combined with the connecting arms, and the sensitivity of vibration transmission of the bracket is further reduced.

In addition, the rubber body is arranged, so that the vibration displacement can be limited by using the rigidity and damping of the rubber body, and the vibration energy is attenuated, thereby reducing the vibration transmission. And through setting up a plurality of quality pieces in the rubber body, the accessible is adjusted the quality of quality piece, and the frequency of the bump leveller that quality piece and rubber body formed is adjusted, can improve the absorption effect to the vibration from this.

Another objective of the present invention is to provide a mounting structure, which includes the bracket as described above, and further includes a suspension assembly connected to the bracket through the first connecting portion;

the suspension assembly comprises a suspension support and a suspension bushing arranged in the suspension support, the suspension bushing passes through the first connecting portion and the support, and the suspension support is provided with a third connecting portion.

The speed reducer mounting structure of the present invention can reduce the sensitivity of the bracket to the transmission of vibration by applying the bracket as described above, and is advantageous for the attenuation of the vibration excitation.

In addition, the utility model also provides a vehicle which adopts the mounting structure.

The vehicle of the utility model can reduce the vibration transmission sensitivity by adopting the mounting structure, is beneficial to the attenuation of vibration excitation, can reduce the vibration transmitted to the interior of the vehicle, and has good practicability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a bracket according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a bracket according to another view angle in the first embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a bracket according to another view of the first embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a bracket according to another view of the first embodiment of the present invention;

FIG. 5 is a schematic structural view of a bracket with a rubber body according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of another view angle when the bracket is provided with a rubber body according to the first embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

fig. 8 is a schematic structural view of a reducer mounting structure according to a first embodiment of the present invention;

fig. 9 is a sectional view of a decelerator installation structure according to a first embodiment of the present invention.

Description of reference numerals:

1. a first main board; 101. a first connection hole; 2. a second main board; 201. an avoidance groove; 3. a first connecting arm; 301. a second connection hole; 4. a second connecting arm; 5. a rubber body; 501. a mass block; 6. a suspension bracket; 7. a suspension bushing; 701. an outer tube; 702. a rubber main spring; 703. an inner core.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The embodiment relates to a bracket, which comprises a bracket main body, wherein a first connecting part is arranged on the bracket main body, and a plurality of connecting arms are arranged on the bracket main body. And the connecting arms are distributed at intervals along the circumferential direction of the bracket main body, one end of each connecting arm is fixedly connected with the bracket main body, and the other end of each connecting arm is provided with a second connecting part.

The support of this embodiment through set up a plurality of linking arms that have the second connecting portion in the support main part to make a plurality of linking arms along the circumference interval distribution of support main part, can make the support have a plurality of hookup location, thereby a plurality of hookup locations of usable circumference distribution improve the restraint effect of support, reduce the sensitivity of support vibration transmission, in order to do benefit to the decay to the vibration excitation.

Based on the above general description, an example structure of the bracket of the present embodiment is shown in fig. 1 to fig. 4, wherein the bracket main body includes a first main board 1 and a second main board 2, and the second main board 2 is fixedly connected to one end of the first main board 1 and extends to one side of the first main board 1. Meanwhile, as a preferred embodiment, the first connection portion is specifically two first connection holes 101 opened in the middle of the first main board 1, and each first connection hole 101 is a threaded hole.

As a specific embodiment, the second main plate 2 is vertically disposed with respect to the first main plate 1, and the outer end surface of the second main plate 2 is a plane disposed vertically with respect to the end surface of the first main plate 1. In addition, as shown in fig. 3, an avoiding groove 201 is provided on an inner surface of the second main plate 2 for embedding a rubber body 5 described below.

It should be noted that, in addition to the second main board 2 being perpendicular to the first main board 1, other angles may be formed between the second main board 2 and the first main board 1, and the angle between the two is not specifically limited in this embodiment. In addition, the outer end surface of the second main plate 2 may be a flat surface or a curved surface according to design requirements.

The connecting arms specifically include a first connecting arm 3 fixedly connected to the first main board 1 and a second connecting arm 4 fixedly connected to the second main board 2, and the first connecting arm 3 and the second main board 2 extend to the same side of the first main board 1. As a possible implementation manner, the number of the first connecting arms 3 of the present embodiment is two, and as shown in fig. 1 to 4, the two first connecting arms 3 are respectively disposed on two opposite sides of the first main board 1.

In this embodiment, the second connecting arms 4 are two connecting arms fixedly connected to the second main board 2 at an end far away from the first main board 1, and the two second connecting arms 4 are respectively disposed at two opposite sides of the second main board 2. In addition, in specific implementation, the bracket main body may be integrally formed, or the first connecting arm 3 and the second connecting arm 4 may be welded and connected to the first main plate 1 and the second main plate 2 after being processed separately.

Specifically, as shown in fig. 2, the first connecting arm 3 and the first main plate 1 of the present embodiment are connected to form an arch structure, so that the structural strength of the present bracket can be improved, and the sensitivity of the bracket for transmitting vibration can be further reduced by combining the plurality of connecting arms. Moreover, each first connecting arm 3 is kept away from the one end of first mainboard 1 and is also the outward expansion setting, designs like this, can be so that be triangle-shaped between each first connecting arm 3 and the first mainboard 1 and arrange to can utilize the stable characteristics of triangle-shaped, further improve the structural strength of support.

In this embodiment, in order to further improve the structural strength of the bracket, as shown in fig. 2, the first connecting arm 3 is connected with the first main plate 1 in a smooth transition manner, so as to reduce stress concentration. In addition, along the direction of keeping away from first mainboard 1, the width of first connecting arm 3 sets up that diminishes to make first connecting arm 3 form the triangle-shaped structure on the whole, thereby improve the structural strength of first connecting arm 3.

In addition, as shown in fig. 1 and fig. 2, the end of the first connecting arm 3 away from the first main board 1, that is, the end of the first connecting arm 3 where the second connecting portion is disposed, is bent toward the outside of the bracket, so that the structural strength of the first connecting arm 3 can be improved. As a preferred embodiment, the first connection portion of the present embodiment is specifically a second connection hole 301 opened on the first connection arm 3.

Further, as shown in fig. 3, a convex boss is provided at the inner side of the first link arm 3 corresponding to the second link hole 301, and the end face of the boss is configured to be flat so that the first link arm 3 abuts with an exterior member when the stand is used. Through setting up the boss, also can reduce the area of contact between first connecting arm 3 and the external member to can improve the machining precision, and then can improve the connection stability of first connecting arm 3 and support. In addition, in order to facilitate the insertion of a fastener such as an external bolt into the second connection hole 301, the embodiment also has a guide surface extending outward at one end of the second connection hole 301.

As shown in fig. 3 and 4, the second connecting arms 4 are respectively extended along the length direction of the second main board 2, and a boss is also provided at the bottom of the second connecting arm 4. In addition, the end face of the boss is also a plane, so as to improve the processing precision, and the second connecting part on the second connecting arm 4 is specifically a second connecting hole 301 penetrating through the boss.

It should be noted that, in the present embodiment, the first connecting arms 3 are two connecting arms arranged oppositely, and the second connecting arms 4 are two connecting arms provided on the second main board 2, when the embodiment is implemented, the number of the first connecting arms 3 and the second connecting arms 4 can be changed according to design requirements, and in addition, connecting arms with other shapes can be further provided.

In this embodiment, in order to further improve the using effect of the bracket, as shown in fig. 5 to fig. 7, the first main board 1 is also fixedly connected with the rubber body 5, the rubber body 5 and the first connecting hole 101 are respectively formed on the two opposite side end surfaces of the first main board 1, and the rubber body 5 and the second main board 2 extend to the same side of the first main board 1. By providing the rubber body 5, the vibration displacement can be restricted by the rigidity and damping of the rubber body 5, and the vibration energy can be attenuated, so that the transmission of vibration can be reduced.

As a specific embodiment, as shown in fig. 5, the rubber body 5 has a cylindrical shape, and a part of the rubber body 5 is inserted into the escape groove 201 formed in the second main plate 2. Here, it should be noted that the shape of the avoiding groove 201 may be adjusted in this case, in addition to the cylindrical shape of the rubber body 5, or may be other shapes such as a rectangular shape and a pentagonal shape. In addition, in order to further attenuate the vibration transmitted to the mount, in conjunction with fig. 5 and 7, the inside of the rubber body 5 of the present embodiment is hollow, and a mass 501 is embedded inside the rubber body 5 by vulcanization, and the mass 501 is generally made of steel.

The mass 501 may be one disposed in the rubber body 5, however, as a preferred embodiment, the mass 501 of this embodiment may be two disposed at intervals along the extending direction of the rubber body 5, that is, along the axial direction of the rubber body 5. Of course, instead of providing two masses 501, the number of masses 501 may be three, four or other larger numbers. Moreover, in the present embodiment, when a plurality of mass blocks 501 are provided, the mass of each mass block 501 may also be set to be different, so as to obtain a better use effect.

In this embodiment, by disposing the mass block 501 in the rubber body 5, the frequency of the vibration absorber formed by the mass block 501 and the rubber body 5 can be adjusted by adjusting the mass of the mass block 501, so that the vibration absorber can have a good absorption effect on the vibration of the speed reducer. Wherein, the frequency omega of the vibration absorber formed by the rubber body 5 and the mass blocks 501, the rigidity K of the rubber body 5, and the mass sum m of each mass block 501 satisfy the formula:

thus, omega can be designed to be related to problem frequency omega of the bracket₀So that the vibration absorber formed by the mass 501 and the rubber body 5 effectively absorbs the problem frequency omega of the bracket₀And further effectively reduce the vibration transmitted by the bracket.

Example two

The present embodiment relates to a mounting structure, as shown in fig. 8 and 9, including the bracket according to the first embodiment, and further including a suspension assembly connected to the bracket by a first connecting portion.

As shown in fig. 9, the suspension assembly includes a suspension bracket 6, and a suspension bushing 7 provided in the suspension bracket 6, and the suspension bushing 7 is connected to the bracket by a first connecting portion, and a third connecting portion for connection between the suspension bracket 6 and an external carrier is also provided on the suspension bracket 6.

In addition, the suspension bracket 6 specifically includes a cylindrical main body, and connection plates provided at two opposite sides of the main body, respectively. Also, opposite ends of the two connection plates are formed with slopes, respectively, to form an operation space between the two connection plates, thereby facilitating the connection of the suspension bushing 7 and the bracket using bolts.

In addition, the present embodiment has a mounting hole formed in the main body for mounting the suspension bushing 7, and the third connecting portion is specifically a third connecting hole provided in the connecting plate. Moreover, in order to improve the connection effect with the external carrier, each connection plate is provided with a plurality of third connection holes arranged at intervals along the axial direction of the suspension bush 7.

The suspension bushing 7 of the present embodiment has the same structure as that of the prior art, and specifically includes an outer tube 701, an inner core 703, and a rubber main spring 702 vulcanized between the inner core 703 and the outer tube 701, and the rubber main spring 702 is provided with a through hole arranged corresponding to the first connection hole 101. Also, the suspension bush 7 is threadedly coupled with the first coupling hole 101 through the through hole by a bolt to achieve coupling with the bracket.

The mounting structure of this embodiment, through the support in the application embodiment one, can reduce the sensitivity of support vibration transmission, does benefit to the decay to the vibration excitation, and has fine practicality.

EXAMPLE III

The present embodiment relates to a vehicle that employs the mounting structure described in the second embodiment, and as an example, the above-described mounting structure can be used for mounting a motor reducer in a vehicle, for example. At this time, each connecting arm on the bracket in the mounting structure is connected with the motor reducer, and the suspension bracket 6 is connected with the vehicle body or the auxiliary frame, so that the mounting of the motor reducer in the vehicle is realized.

The vehicle of this embodiment through adopting foretell mounting structure, can reduce vibration transmission sensitivity, does benefit to the decay to the vibration excitation, and the reducible vibration that transmits to in the car promotes the vehicle and drives the quality, and has fine practicality.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A stent, characterized by:

the bracket comprises a bracket main body, wherein a first connecting part is arranged on the bracket main body, and a plurality of connecting arms are arranged on the bracket main body;

the connecting arms are distributed at intervals along the circumferential direction of the bracket main body, one end of each connecting arm is fixedly connected with the bracket main body, and the other end of each connecting arm is provided with a second connecting part.

2. The bracket of claim 1, wherein:

the support main body comprises a first main board (1) and a second main board (2), wherein the second main board (2) is fixedly connected to one end of the first main board (1) and extends towards one side of the first main board (1);

the linking arm is including linking firmly first linking arm (3) on first mainboard (1), and link firmly second linking arm (4) on second mainboard (2), just first linking arm (3) with second mainboard (2) to extend with one side of first mainboard (1).

3. The bracket of claim 2, wherein:

the number of the first connecting arms (3) is at least two, the first connecting arms (3) are respectively arranged on two opposite sides of the first main plate (1), and the first connecting arms (3) and the first main plate (1) are connected to form an arch structure.

4. The bracket of claim 2, wherein:

the second connecting arms (4) are fixedly connected with the second main board (2) far away from at least two ends of the first main board (1), and the second connecting arms (4) are respectively arranged on two opposite sides of the second main board (2).

5. The bracket of claim 2, wherein:

first connecting portion locate on first mainboard (1), and linked firmly the rubber body (5) on first mainboard (1), first connecting portion with the rubber body (5) divide to be established on the double-phase offside terminal surface of first mainboard (1), just the rubber body (5) with second mainboard (2) to extend with one side of first mainboard (1).

6. The bracket of claim 5, wherein:

the rubber body (5) is embedded with a mass block (501), the number of the mass blocks (501) is one, or the mass blocks (501) are distributed along the extending direction of the rubber body (5) at intervals.

7. The bracket of claim 5, wherein:

the rubber body (5) is cylindrical, just being close to of second mainboard (2) one side of the rubber body (5) is equipped with dodges groove (201), part the embedding of rubber body (5) dodge in groove (201).

8. The bracket according to any one of claims 1 to 7, wherein:

the first connecting portion comprises a first connecting hole (101) arranged on the bracket main body, and the second connecting portion comprises a second connecting hole (301) arranged on the connecting arm.

9. A mounting structure characterized in that:

comprising the bracket of any one of claims 1 to 8, further comprising a suspension assembly connected to the bracket by the first connection;

the suspension assembly comprises a suspension bracket (6) and a suspension bushing (7) arranged in the suspension bracket (6), the suspension bushing (7) is connected with the bracket through the first connecting part, and a third connecting part is arranged on the suspension bracket (6).

10. A vehicle, characterized in that: the vehicle employs the mounting structure of claim 9.

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