CN220577042U - Suspension structure and car - Google Patents

Abstract

The utility model provides a suspension structure and an automobile, and belongs to the field of automobile design and manufacture. The utility model provides a suspension structure, which comprises an outer pipe, an inner pipe, a first elastic piece and an adjusting module; a cavity is arranged in the outer tube, and the inner tube is arranged in the cavity; the first elastic piece is arranged between the outer tube and the inner tube and is respectively connected with the outer tube and the inner tube, and a first through hole is formed in the first elastic piece along the axial direction; the adjusting module is matched with the first through hole and is accommodated in the first through hole for adjusting the rigidity of the first elastic piece. The suspension structure provided by the utility model can greatly widen the rigidity adjusting range of the suspension structure, so that the test period of the suspension structure in performance test is effectively shortened.

Description

Suspension structure and car

Technical Field

The utility model relates to the field of automobile design and manufacture, in particular to a suspension structure and an automobile.

Background

The suspension structure is a bidirectional vibration isolation structure which is connected with and supports the power assembly and has a constraint and protection effect on the movement trend, and can reduce vibration and noise generated during running of an automobile so as to provide better riding comfort.

In the prior art, in order to meet the NVH (Noise, vibration, and Harshness) performance requirement of an automobile, when the suspension structure is tested in performance, three or five groups of suspension structures with different rigidities are generally adopted for testing, and if the three or five groups of suspension structures cannot meet the NVH performance requirement, the suspension structure needs to be redesigned to realize rigidity adjustment. Since the suspension structure is generally composed of an inner tube, an elastic member and an outer tube, the inner tube transmits a load to the elastic member when being loaded, so that the rigidity of the suspension structure is mainly influenced by the structure of the elastic member, and the rigidity adjustment range of the elastic member is smaller, which also results in smaller rigidity adjustment range of the suspension structure; meanwhile, the elastic piece is often formed by injection molding, and the mold structure is required to be modified when the elastic piece with the suspension structure is redesigned, so that the test period is prolonged greatly.

The present utility model has been made in view of the above-described circumstances.

Disclosure of Invention

The utility model provides a suspension structure and an automobile, and aims to solve the problems that in the prior art, the rigidity adjustment range of the suspension structure is smaller, and when the performance of the suspension structure is tested, the rigidity of the suspension structure needs to be adjusted, so that the test period is greatly prolonged.

The utility model provides a suspension structure, which comprises an outer tube, an inner tube, a first elastic piece and an adjusting module;

a cavity is arranged in the outer tube, and the inner tube is arranged in the cavity;

the first elastic piece is arranged between the outer tube and the inner tube and is respectively connected with the outer tube and the inner tube, and a first through hole is formed in the first elastic piece along the axial direction;

the adjusting module is matched with the first through hole and is accommodated in the first through hole for adjusting the rigidity of the first elastic piece.

In an alternative aspect of the utility model, the adjustment module includes a support member and a second elastic member; the second elastic piece is matched with the first through hole and is accommodated in the first through hole, the second elastic piece is provided with a second through hole along the axial direction, and the second through hole is matched with the supporting piece; the support piece is accommodated in the second through hole.

In an alternative scheme of the utility model, a plurality of first through holes are arranged and are annularly arranged on the circumferential direction of the inner tube; the adjusting modules are provided with a plurality of adjusting modules which are respectively accommodated in the corresponding first through holes.

In an alternative aspect of the present utility model, the first elastic member includes a plurality of connection portions; the connecting parts are arranged around the circumference of the inner tube, and two sides of each connecting part are respectively connected with the inner tube and the outer tube; the first through hole is provided on the connection portion.

In an alternative scheme of the utility model, the first elastic piece is provided with an inner pipe installation through hole and a plurality of limiting through holes along the axial direction; the inner tube is installed in the inner tube installation through-hole, and a plurality of spacing through-hole rings are located in the circumference of inner tube installation through-hole, all are equipped with connecting portion between every spacing through-hole.

In an alternative scheme of the utility model, the first elastic piece further comprises a plurality of limiting blocks; limiting blocks are arranged in each limiting through hole, and are connected with the outer pipe and the connecting part and are arranged at intervals with the inner pipe.

In an alternative scheme of the utility model, a plurality of protruding parts are further arranged on one side of the inner tube facing the limiting block.

In an alternative scheme of the utility model, the inner tube is provided with mounting holes and positioning holes along the axial direction, and the positioning holes are provided with a plurality of positioning holes and are annularly arranged on the circumference of the mounting holes.

In an alternative scheme of the utility model, the supporting piece is made of a rigid material, and the second elastic piece is made of the same material as the first elastic piece.

The utility model also provides an automobile comprising the suspension structure.

Compared with the prior art, the suspension structure and the automobile provided by the utility model have the following beneficial effects:

the suspension structure mainly comprises an outer tube, an inner tube, a first elastic piece and an adjusting module through the optimized design of the structure; wherein, a cavity is arranged in the outer tube, the inner tube is arranged in the cavity, and the first elastic piece is arranged between the outer tube and the inner tube and is respectively connected with the outer tube and the inner tube so as to provide rigidity for the suspension structure while providing damping effect; the first elastic piece is provided with a first through hole along the axial direction, and the adjusting module is arranged in the first through hole and is used for realizing rigidity adjustment of the suspension structure; the size of the adjusting module is matched with that of the first through hole and is accommodated in the first through hole, the adjusting module can support the first through hole, the inner wall stress of the first through hole is supported, the movement stroke of the first elastic piece under the acting force of the inner tube is limited, the rigidity adjustment of the first elastic piece is realized, the rigidity adjustment of the suspension structure is realized, the rigidity adjustment range of the first elastic piece can be widened by corresponding design of the adjusting module, the requirements of different rigidities of the suspension structure are met, the rigidity adjustment range of the suspension structure is expanded, and the test period is greatly shortened.

According to the suspension structure provided by the utility model, the structure of the first elastic piece is not required to be redesigned when performance test is carried out, and the rigidity adjustment of the first elastic piece can be realized only by correspondingly designing the adjusting module, so that the rigidity adjustment range of the suspension structure is greatly widened; meanwhile, the structure of the first elastic piece is not required to be changed, so that the cost of the die is reduced, and the test period is greatly shortened.

Other features and advantages of the suspension structure and the vehicle provided by the present utility model are further described in the detailed description section that follows.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described below. It will be apparent that the figures in the following description are some embodiments of the present application, and that other figures can be obtained from these figures without inventive effort to those skilled in the art.

Fig. 1 is a schematic overall structure of a suspension structure according to an embodiment of the present application;

FIG. 2 is an assembled schematic view of a conditioning module provided in an embodiment of the present application;

FIG. 3 is an axial schematic view of an adjustment module provided in an embodiment of the present application;

FIG. 4 is a cross-sectional view of an adjustment module provided in an embodiment of the present application;

FIGS. 5 a-5 c are axial schematic views of various adjustment modules provided in embodiments of the present application;

FIG. 6 is a schematic diagram of a combined assembly of various conditioning modules provided in an embodiment of the present application;

FIG. 7 is a schematic view of a portion of a suspension structure according to an embodiment of the present disclosure;

FIG. 8 is an axial schematic view of a suspension structure provided in an embodiment of the present application;

fig. 9 is a schematic block diagram of an automobile according to an embodiment of the present application.

The reference numerals are as follows:

100. a suspension structure;

110. an outer tube;

120. an inner tube; 121. a mounting hole; 122. positioning holes;

130. a first elastic member; 131. a first through hole; 132. a connection part; 133. an inner tube mounting through hole; 134. limiting through holes; 135. a limiting block; 1351. a boss;

140. an adjustment module; 141. a support; 142. a second elastic member; 1421. a second through hole;

1000. an automobile.

Detailed Description

In the description of the present application, it should be understood that, if there are descriptions of terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientation or positional relationship, it should be understood that the orientation or positional relationship shown based on the drawings is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present application.

Furthermore, the presence of features defining "first" and "second" for descriptive purposes only, should not be interpreted as indicating or implying a relative importance or implicitly indicating the number of features indicated. Features defining "first", "second" may include at least one such defined feature, either explicitly or implicitly. If a description of "a plurality" is present, the generic meaning includes at least two, e.g., two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," and the like, are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements or interaction relationship between two elements. The specific meaning of the terms in the present application can be understood by those skilled in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., as used herein, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

In view of the foregoing, the general concept of the present embodiment is to provide a suspension structure 100, where in consideration of the fact that the stiffness adjustment range of the suspension structure 100 in the prior art is smaller, in performance test, when the suspension structure 100 cannot meet the NVH performance requirement, the first elastic member 130 needs to be redesigned, in this embodiment, by optimally designing the suspension structure 100, the first through hole 131 is axially formed in the first elastic member 130 of the suspension structure 100, and an adjustment module 140 is disposed in the through hole, where the adjustment module 140 is adapted to the first through hole 131, and the inner wall of the first through hole 131 is supported, so that the motion stroke of the first elastic member 130 is shortened when the first elastic member 130 is loaded, thereby implementing stiffness adjustment of the first elastic member 130; by replacing different adjusting modules 140, the first elastic member 130 with different rigidity can be obtained, so that the rigidity adjusting range of the first elastic member 130 is widened, and the rigidity of the suspension structure 100 is further widened due to the influence of the rigidity of the elastic member on the rigidity of the suspension structure 100; with the suspension structure 100 provided in this embodiment, the first elastic member 130 does not need to be redesigned when the suspension structure 100 is faced with different rigidity requirements, so that the test period is greatly shortened and the cost is effectively reduced.

Based on the above general concept, referring to fig. 1 to 8, an embodiment of the present utility model firstly provides a suspension structure 100, including an outer tube 110, an inner tube 120, a first elastic member 130 and an adjusting module 140;

the outer tube 110 is provided with a cavity, and the inner tube 120 is arranged in the cavity;

the first elastic member 130 is disposed between the outer tube 110 and the inner tube 120 and is respectively connected to the outer tube 110 and the inner tube 120, and a first through hole 131 is axially formed in the first elastic member 130;

the adjusting module 140 is adapted to the first through hole 131 and is accommodated in the first through hole 131, for adjusting the rigidity of the first elastic member 130.

In the present embodiment, the outer tube 110 and the inner tube 120 are both tubular, and the "axial direction" refers to the axial direction of the outer tube 110 or the inner tube 120.

Each structure is explained in detail below.

Referring to fig. 1 and 2, in the present embodiment, the outer tube 110 has a cylindrical shape, the inner tube 120 has a prismatic shape, the outer tube 110 is provided with a cylindrical cavity, and the inner tube 120 is disposed in the cylindrical cavity, where the outer tube 110 integrally provides protection and support for the suspension structure 100, and the inner tube 120 is used for reinforcing and supporting the first elastic member 130; the first elastic member 130 is disposed between the outer tube 110 and the inner tube 120, and the inner and outer sides are respectively connected with the outer wall of the inner tube 120 and the inner wall of the outer tube 110, so as to absorb the load brought by the inner tube 120 or the outer tube 110, ensure the rigidity of the suspension structure 100, and improve the NVH performance of the suspension structure 100; the first through hole 131 is axially formed in the first elastic member 130, and the adjusting module 140 is adapted to the first through hole 131 in size and is contained in the first through hole 131, so that when the first elastic member 130 is loaded, the deformation process of the first elastic member 130 is limited by the supporting member 141, and therefore the structure of the first elastic member 130 is not required to be changed, and the integral rigidity of the suspension structure 100 can be adjusted by independently designing the adjusting module 140.

It can be appreciated that in the present embodiment, the overall shape of the adjusting module 140 may be adaptively designed according to the shape of the first through hole 131, for example, the first through hole 131 is a cylindrical hole, and then the adjusting module 140 may be designed to be cylindrical; for example, the first through hole 131 is a square column hole, and the adjusting module 140 may be designed as a square column. Meanwhile, in this embodiment, one or more first through holes 131 may be provided according to the requirement of the stiffness adjustment direction, and correspondingly, one or more adjustment modules 140 may also be arranged.

Further, referring to fig. 3 and 4, the adjustment module 140 includes a support 141 and a second elastic member 142; the second elastic member 142 is adapted to the first through hole 131 and is accommodated in the first through hole 131, so as to ensure that the overall size of the adjusting module 140 is adapted to the opening of the first through hole 131, the second elastic member 142 is provided with a second through hole 1421 along the axial direction, and the second through hole 1421 is adapted to the supporting member 141, so as to realize radial coverage of the supporting member 141; the supporting member 141 is received in the second through hole 1421.

In this embodiment, the adjusting module 140 includes a supporting member 141 and a second elastic member 142, where the second elastic member 142 has a second through hole 1421 along an axial direction, and the supporting member 141 is cylindrical and is disposed in the second through hole 1421; the second elastic member 142 in this embodiment is in a cylindrical tube shape, the cross section of the second elastic member is in a ring shape, the outer wall is adapted to the first through hole 131, the overall size of the adjusting module 140 is ensured to be adapted to the opening of the first through hole 131, the inner wall is adapted to the supporting member 141, and the supporting member 141 is ensured to fully bear the load so as to limit the movement stroke of the first elastic member 130 when being under load.

It can be understood that, when the first elastic member 130 of the suspension structure 100 needs to adjust the stiffness, the first elastic member 130 does not need to be structurally modified, and only the size of the cross-section of the supporting member 141 needs to be changed (see fig. 5a to 5 c), and the aperture of the second through hole 1421 is correspondingly adjusted, so that the stiffness of the first elastic member 130 can be adjusted to shorten the test period. For example, the diameters of the supporting members 141 are adjusted to obtain a plurality of supporting members 141 with different cross-sectional sizes, the rigidity of the adjusting module 140 can be changed by matching the different supporting members 141 with the second elastic members 142, as shown in fig. 6, the plurality of adjusting modules 140 with different supporting members 141 are assembled into the first elastic member 130, and then the rigidity of the first elastic member 130 is adjusted.

In an alternative solution of the embodiment of the present utility model, referring to fig. 7 and 8, four first through holes 131 are provided and are circumferentially provided around the inner tube 120; the adjusting modules 140 are respectively provided with four adjusting modules and are respectively accommodated in the corresponding first through holes 131.

In this embodiment, in order to adjust the rigidity of the suspension structure 100 in different directions, four first through holes 131 are circumferentially arranged on the inner tube 120, and four adjusting modules 140 are correspondingly designed and respectively installed in the corresponding first through holes 131, so as to realize the rigidity adjustment of the suspension structure 100 in different directions. It should be understood that, according to the requirement of the stiffness adjustment direction, one, two, three or more than four of the first through holes 131 may be designed based on the specific shape of the first elastic member 130, and the number of the adjusting modules 140 may be correspondingly designed, so as to implement stiffness adjustment of the suspension structure 100 in different directions, and greatly widen the stiffness adjustment range of the suspension structure 100.

It can be appreciated that the overall sizes of the plurality of different adjustment modules 140 are the same, the second elastic member 142 and the supporting member 141 of each adjustment module 140 can be designed the same, and the cross-sectional size of the supporting member 141 can be adjusted, and the adjustment modules 140 assembled with different supporting members 141 (refer to fig. 6) are used for combining, so that the rigidity of the suspension structure 100 in each direction can be flexibly adjusted, and the rigidity adjustment range of the suspension structure 100 can be widened.

In an alternative embodiment of the present utility model, the first elastic member 130 includes four connection portions 132; four connecting parts 132 are arranged around the circumference of the inner tube 120, and two sides of each connecting part 132 are respectively connected with the inner tube 120 and the outer tube 110; the first through hole 131 is provided on the connection portion 132.

In the present embodiment, four connection parts 132 are circumferentially arranged on the inner tube 120, one side of each connection part 132 is connected with the outer wall of the inner tube 120, and the other side is connected with the inner wall of the outer tube 110, so as to provide radial support for the inner tube 120 and the outer tube 110; since the connection portions 132 of the first elastic member 130 mainly take the load function, each connection portion 132 is provided with a first through hole 131 along the axial direction, and the adjusting modules 140 are disposed in the first through holes 131, so as to realize rigidity adjustment of different positions of the first elastic member 130.

In some embodiments, the first elastic member 130 is provided with an inner tube mounting through hole 133 and a plurality of limiting through holes 134 along an axial direction; the inner tube 120 is installed in the inner tube installation through hole 133, and a plurality of spacing through holes 134 are located around the circumference of the inner tube installation through hole 133, and each spacing through hole 134 is provided with a connecting portion 132 therebetween.

In this embodiment, the first elastic member 130 is provided with an inner tube mounting through hole 133 and four limiting through holes 134 along the axial direction, each of the connecting portions 132 is provided with a limiting through hole 134, the four connecting portions 132 are annularly arranged in the circumferential direction of the inner tube mounting through hole 133, the inner tube 120 is mounted in the inner tube mounting through hole 133, and four edges of the inner tube 120 correspond to the four limiting through holes 134, respectively, so that the inner tube 120 can move towards the direction of the limiting through holes 134 when being loaded to move, thereby improving the service life of the suspension structure 100.

Further, the first elastic member 130 further includes four stoppers 135; each limiting through hole 134 is internally provided with a limiting block 135, and the limiting blocks 135 are connected with the outer tube 110 and the connecting part 132 and are arranged at intervals with the inner tube 120.

It can be appreciated that the first elastic member 130 further includes four limiting blocks 135, each limiting block 135 is disposed in a corresponding limiting through hole 134, an outer wall of the limiting block 135 is connected with an inner wall of the outer tube 110, two ends of the limiting block are connected with two adjacent connecting portions 132, and the limiting block 135 protrudes from the inner wall of the outer tube 110, so as to limit the movement of the inner tube 120, prevent the inner tube 120 from excessively moving towards the outer tube 110, and prolong the service life of the suspension structure 100.

Further, in this embodiment, a plurality of protruding portions 1351 are further disposed on the side of the inner tube 120 facing the stopper 135, and the plurality of protruding portions 1351 may be arranged in a square matrix, so as to improve the wear resistance of the stopper 135, avoid excessive wear of the stopper 135 by the inner tube 120, and further improve the service life of the suspension structure 100.

In an alternative scheme of the embodiment of the utility model, the inner tube 120 is provided with a mounting hole 121 and a positioning hole 122 along the axial direction, the positioning hole 122 is provided with four positioning holes and is annularly arranged on the circumferential direction of the mounting hole 121, the mounting hole 121 is used for mounting the power assembly of the automobile 1000, and the positioning hole 122 is annularly arranged on the circumferential direction of the mounting hole 121 so as to be matched with the mounting hole 121 for positioning when the power assembly is mounted, and thus, the assembly efficiency is improved.

In an alternative solution of the present utility model, the supporting member 141 is made of a rigid material, for example, a metal material such as stainless steel, aluminum, or a composite material such as carbon fiber, so that the supporting member 141 is ensured to have a higher rigidity to limit the movement stroke of the first elastic member 130, and the second elastic member 142 is made of the same material as the first elastic member 130, and may be made of a rubber material, so as to ensure the energy absorption function of the first elastic member 130.

Referring to fig. 9, an embodiment of the present utility model further provides an automobile 1000 including the suspension structure 100 described above.

In summary, according to the suspension structure 100 and the automobile 1000 provided by the embodiments of the present utility model, by optimally designing the suspension structure 100, when the suspension structure 100 performs performance test, the structure of the first elastic member 130 does not need to be redesigned, and the stiffness adjustment of the first elastic member 130 can be realized only by correspondingly designing the adjustment module 140, that is, adjusting the size of the cross-section of the support member 141, so that the stiffness adjustment range of the suspension structure 100 is greatly widened; meanwhile, the structure of the first elastic piece 130 is not required to be changed, so that the cost of the die is reduced, and the test period is greatly shortened.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by those skilled in the art within the scope of the application.

Claims (10)

1. A suspension structure (100) characterized by comprising an outer tube (110), an inner tube (120), a first elastic member (130) and an adjustment module (140);

a cavity is arranged in the outer tube (110), and the inner tube (120) is arranged in the cavity;

the first elastic piece (130) is arranged between the outer tube (110) and the inner tube (120), and is respectively connected with the outer tube (110) and the inner tube (120), and a first through hole (131) is formed in the first elastic piece (130) along the axial direction;

the adjusting module (140) is matched with the first through hole (131) and is accommodated in the first through hole (131) for adjusting the rigidity of the first elastic piece (130).

2. The suspension structure (100) according to claim 1, wherein the adjustment module (140) comprises a support (141) and a second elastic member (142);

the second elastic piece (142) is matched with the first through hole (131) and is accommodated in the first through hole (131), a second through hole (1421) is formed in the second elastic piece (142) along the axial direction, and the second through hole (1421) is matched with the supporting piece (141);

the support member (141) is accommodated in the second through hole (1421).

3. The suspension structure (100) according to claim 2, characterized in that,

the first through holes (131) are arranged in a plurality, and are annularly arranged in the circumferential direction of the inner tube (120);

the plurality of the adjusting modules (140) are respectively accommodated in the corresponding first through holes (131).

4. The suspension structure (100) according to claim 3, wherein the first elastic member (130) comprises a plurality of connection portions (132);

the connecting parts (132) are annularly arranged in the circumferential direction of the inner tube (120), and two sides of each connecting part (132) are respectively connected with the inner tube (120) and the outer tube (110);

the first through hole (131) is provided on the connection portion (132).

5. The suspension structure (100) according to claim 4, wherein the first elastic member (130) is axially provided with an inner tube mounting through hole (133) and a plurality of limiting through holes (134);

the inner tube (120) is installed in the inner tube installation through hole (133), a plurality of spacing through holes (134) are located in the circumference of inner tube installation through hole (133) in a surrounding manner, and each spacing through hole (134) is provided with between connecting portion (132).

6. The suspension structure (100) of claim 5, wherein the first resilient member (130) further comprises a plurality of stoppers (135);

each limiting through hole (134) is internally provided with a limiting block (135), and the limiting blocks (135) are connected with the outer tube (110) and the connecting part (132) and are arranged at intervals with the inner tube (120).

7. The suspension structure (100) according to claim 6, wherein the stopper (135) is further provided with a plurality of protrusions (1351) on a side facing the inner tube (120).

8. The suspension structure (100) according to claim 2, wherein the inner tube (120) is provided with a plurality of mounting holes (121) and positioning holes (122) along the axial direction, and the positioning holes (122) are provided in a plurality and are circumferentially arranged around the mounting holes (121).

9. The suspension structure (100) according to any one of claims 2 to 8, wherein the support member (141) is made of a rigid material, and the second elastic member (142) is made of the same material as the first elastic member (130).

10. An automobile (1000) comprising a suspension structure (100) according to any one of claims 1 to 9.