CN214493093U - A sub vehicle frame connection structure and vehicle for vehicle - Google Patents
A sub vehicle frame connection structure and vehicle for vehicle Download PDFInfo
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- CN214493093U CN214493093U CN202120635165.1U CN202120635165U CN214493093U CN 214493093 U CN214493093 U CN 214493093U CN 202120635165 U CN202120635165 U CN 202120635165U CN 214493093 U CN214493093 U CN 214493093U
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Abstract
The utility model discloses a sub vehicle frame connection structure and vehicle for vehicle, sub vehicle frame connection structure includes: a first connection portion provided on one of the subframe and a vehicle body, the first connection portion extending in a vibration direction of the subframe body; the second connecting portion is arranged on the other one of the auxiliary frame and the vehicle body, a containing cavity suitable for containing the first connecting portion is formed in the second connecting portion, and the first connecting portion abuts against the inner surface of the containing cavity. According to the utility model discloses a sub vehicle frame connection structure has improved the stability of being connected between sub vehicle frame and the automobile body, has reduced the weight and the cost of whole car under the prerequisite of guaranteeing sub vehicle frame and automobile body joint strength.
Description
Technical Field
The utility model belongs to the technical field of the vehicle and specifically relates to a sub vehicle frame connection structure and vehicle for vehicle is related to.
Background
In the related art, the connection strength between the subframe and the vehicle body is poor, and the rigidity requirement between the subframe and the vehicle body in multiple directions cannot be met, and merely increasing the connection point between the subframe and the vehicle body leads to an increase in cost and an increase in vehicle weight.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a sub vehicle frame connection structure, this sub vehicle frame connection structure has improved the stability of being connected between sub vehicle frame and the automobile body, has reduced the weight and the cost of whole car under the prerequisite of guaranteeing sub vehicle frame and automobile body joint strength.
The utility model discloses still provide a vehicle that has above-mentioned sub vehicle frame connection structure.
According to the utility model discloses a sub vehicle frame connection structure for vehicle includes: a first connection portion provided on one of the subframe and a vehicle body, the first connection portion extending in a vibration direction of the subframe body; the second connecting portion is arranged on the other one of the auxiliary frame and the vehicle body, a containing cavity suitable for containing the first connecting portion is formed in the second connecting portion, and the first connecting portion abuts against the inner surface of the containing cavity.
According to the utility model discloses a sub vehicle frame connection structure, the cooperation through first connecting portion and second connecting portion is with the sub vehicle frame of vehicle and the body coupling of vehicle, can improve the stability and the reliability of being connected between sub vehicle frame and the automobile body greatly, and X between this sub vehicle frame connection structure can guarantee sub vehicle frame and the automobile body simultaneously is to and Y to rigidity, improves controlling the performance of vehicle, promotes the associative perception of vehicle.
According to an embodiment of the present invention, a cross-sectional shape of the first connecting portion in the extending direction is the same as a cross-sectional shape of the accommodating chamber in the extending direction, and a cross-section of the first connecting portion in the extending direction is a non-circular cross-section.
According to an embodiment of the invention, the cross-section of the first connection portion in the extension direction is configured as a polygonal cross-section.
According to an embodiment of the present invention, a cross section of the first connection portion in the extending direction is configured as a triangular cross section, and a width of the first connection portion in the front-rear direction is gradually increased or decreased.
According to the utility model discloses an embodiment, first connecting portion with be provided with between the sub vehicle frame and strengthen the support, strengthen the support with first connecting portion integrated into one piece just constructs for "L" shape support.
According to the utility model discloses an embodiment, first connecting portion includes: the connecting core is arranged at one end of the reinforcing bracket and extends in the vibration direction of the auxiliary frame body; and the first vibration reduction part is wrapped on the periphery of the connecting core, and the cross section of the first vibration reduction part in the extending direction is a triangular cross section.
According to an embodiment of the present invention, the second connecting portion includes: the connecting sleeve is arranged on the vehicle body longitudinal beam and extends towards the first connecting part, and one end, facing the first connecting part, of the connecting sleeve is open; the second vibration damping part is arranged in the connecting sleeve, a cavity is formed inside the second vibration damping part to form the accommodating cavity, and the section of the cavity in the extending direction is matched with the section of the first vibration damping part in the extending direction.
According to an embodiment of the present invention, the first vibration reduction portion and the second vibration reduction portion are interference-fitted.
According to an embodiment of the present invention, the first vibration reduction portion and the second vibration reduction portion are both configured as rubber members.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with the sub vehicle frame connection structure of above-mentioned embodiment on the vehicle, because according to the utility model discloses a be provided with the sub vehicle frame connection structure of above-mentioned embodiment on the vehicle, consequently the sub vehicle frame of this vehicle is stable with being connected between the automobile body, and the reliability is high, has reduced the weight and the cost of whole car under the prerequisite of guaranteeing sub vehicle frame and automobile body joint strength.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a subframe connection structure according to an embodiment of the present invention;
fig. 2 is a connection schematic between the first connection portion and the subframe according to the embodiment of the present invention.
Reference numerals:
the auxiliary frame connecting structure 1 is provided with a plurality of auxiliary frame connecting structures,
the first connecting portion 11, the connecting core 111, the first vibration attenuating portion 112,
the second connecting portion 12, the receiving cavity 121, the reinforcing bracket 13,
and a subframe 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A subframe connection structure 1 for a vehicle according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
According to the utility model discloses a sub vehicle frame connection structure 1 for vehicle includes first connecting portion 11 and second connecting portion 12, wherein first connecting portion 11 sets up on one in sub vehicle frame 2 and automobile body, and first connecting portion 11 extends in sub vehicle frame 2's vibration direction, and second connecting portion 12 sets up on another in sub vehicle frame 2 and the automobile body, is provided with on the second connecting portion 12 to be suitable for the chamber 121 that holds of accepting first connecting portion 11, and first connecting portion 11 ends with the internal surface that holds chamber 121.
In the related art, the connection strength between the subframe and the vehicle body is poor, and the rigidity requirement between the subframe and the vehicle body in multiple directions cannot be met, and merely increasing the connection point between the subframe and the vehicle body leads to an increase in cost and an increase in vehicle weight.
For this reason, the connection structure of the subframe for a vehicle according to the present application is provided with the first connection portion 11 extending in the vibration direction of the subframe body, where the vibration direction of the subframe body may be a height direction, and the receiving cavity 121 formed in the second connection portion 12 also extends in the height direction, and after the first connection portion 11 is engaged with the second connection portion 12, the first connection portion 11 is received in the receiving cavity 121, and the outer peripheral wall of the first connection portion 11 abuts against the inner surface of the receiving cavity 121, so that the X-direction load and the Y-direction load from the subframe can be transmitted through the direct contact of the first connection portion 11 and the second connection portion 12, thereby improving the rigidity of the subframe connection structure, and enabling the subframe connection structure to have good structural stability.
Further, the sub-frame carries the front axle load of the vehicle, and when the vehicle travels, the sub-frame generates low-frequency large displacement vibration due to the uneven road surface, and the vibration can be effectively attenuated by the cooperation of the first connecting portion 11 and the second connecting portion 12. In particular, since no fastener such as a bolt is provided between the first connecting portion 11 and the second connecting portion 12, the problems of vibration and abnormal noise are not caused, and the reliability and the service life are high.
According to the utility model discloses a sub vehicle frame connection structure, the cooperation through first connecting portion 11 and second connecting portion 12 is with the sub vehicle frame of vehicle and the body coupling of vehicle, can improve the stability and the reliability of being connected between sub vehicle frame and the automobile body greatly, and X between this sub vehicle frame connection structure can guarantee sub vehicle frame and the automobile body simultaneously is to and Y to rigidity, improves the performance of controlling of vehicle, promotes the associative perception of vehicle.
According to an embodiment of the present invention, the cross-sectional shape of the first connecting portion 11 in the extending direction is the same as the cross-sectional shape of the accommodating cavity 121 in the extending direction, and the cross-section of the first connecting portion 11 in the extending direction is non-circular. The second connecting portion 12 is sleeved on the first connecting portion 11, the periphery of the first connecting portion 11 is abutted against the inner wall of the accommodating cavity 121, the cross section of the first connecting portion 11 in the extending direction is of a non-circular cross section, force transmission between the first connecting portion 11 and the second connecting portion 12 can be more stable, relative rotation between the first connecting portion 11 and the second connecting portion 12 is avoided, and connection stability between the auxiliary frame and the vehicle body is improved.
According to the utility model discloses an embodiment, first connecting portion 11 is the polygon cross-section in the extending direction structure, construct first connecting portion 11 is the polygon cross-section in the extending direction structure, can make first connecting portion 11 and second connecting portion 12 have sufficient area of contact, simultaneously each surface in the polygon cross-section can be towards a plurality of directions of vehicle, thereby can disperse on different surfaces better when making between sub vehicle frame and the automobile body transmission load, can help reducing the wearing and tearing between first connecting portion 11 and the second connecting portion 12, the life of extension sub vehicle frame connection structure.
According to an embodiment of the present invention, the cross section of the first connection portion 11 in the extending direction is configured as a triangular cross section, and the width of the first connection portion 11 in the front-rear direction gradually increases or decreases.
The cross section of the first connecting portion 11 in the extending direction is configured to be a triangular cross section, that is, the first connecting portion 11 is configured to be a triangular prism, the corresponding accommodating cavity 121 is configured to be a structure corresponding to the first connecting portion 11, the abutting surface between the first connecting portion 11 and the second connecting portion 12 has three abutting surfaces, and the triangle has good stability, so that the X-direction load and the Y-direction load on the subframe can be effectively transmitted to the longitudinal beam of the vehicle body, and the rigidity of the subframe connecting structure is improved.
Meanwhile, the width of the first connecting portion 11 is gradually increased or decreased in the front-rear direction, so that a contact surface in the front-rear direction is formed between the first connecting portion 11 and the accommodating cavity 121, and thus, the load in the X direction can be better transmitted between the auxiliary frame 2 and the vehicle body, the integral sense of the vehicle in the acceleration or braking process is ensured, the phenomena of twisting and the like of the vehicle are avoided, and the control performance of the vehicle is further improved.
According to the utility model discloses an embodiment is provided with between first connecting portion 11 and the sub vehicle frame 2 and strengthens support 13, strengthens support 13 and first connecting portion 11 integrated into one piece and construct "L" shape support. The reinforcing bracket 13 may be disposed at a front end or a rear end of the subframe body, and the other end of the reinforcing bracket 13 may be connected to the subframe body by a fastener. And the first connection portion 11 may be provided at one end of the reinforcing bracket 13.
According to the utility model discloses an embodiment, first connecting portion 11 includes connecting core 111, and connecting core 111 sets up in the one end of strengthening support 13 and extends in the vibration direction of sub vehicle frame body, and connecting core 111 can construct as integrated into one piece with strengthening support 13, and connecting core 111 can be the steel core. The first vibration damping portion 112 is wrapped around the outer periphery of the connecting core 111, the cross section of the first vibration damping portion 112 in the extending direction is a triangular cross section, and the outer periphery of the first vibration damping portion 112 is adapted to abut against the inner surface of the accommodating cavity 121.
The connection core 111 may improve the structural strength of the first connection portion 11 and ensure the stability of the subframe connection structure, while the first vibration damping portion 112 may be configured as a rubber member wrapped around the outer circumference of the steel core by means of vulcanization, and the thickness of the first vibration damping portion 112 may be 1mm to 10mm for damping the vibration of the subframe.
According to an embodiment of the present invention, the second connecting portion 12 comprises a connecting sleeve and a second vibration damping portion, the connecting sleeve is disposed on the vehicle body longitudinal beam and extends toward the first connecting portion 11, the connecting sleeve is open toward one end of the connecting portion to be adapted to receive the first connecting portion 11; the second connecting portion 12 is disposed in the connecting sleeve and has a cavity formed therein to be configured as a receiving cavity 121, a cross section of the cavity in the extending direction matching a cross section of the first vibration attenuating portion 112 in the extending direction.
The connecting sleeve may be welded and fixed to a side member of the vehicle body, the second vibration damping portion may be configured of rubber and disposed inside the connecting sleeve by vulcanization, and the second vibration damping portion and the first vibration damping portion 112 abut against each other to transmit X-direction and Y-direction loads between the subframe and the vehicle body and are relatively movable in the Z-direction and transmit Z-direction loads between the subframe and the vehicle body by a frictional force.
According to the utility model discloses an embodiment, first damping portion 112 and second damping portion interference fit, first connecting portion 11 can be fixed through the mode of pressfitting with second connecting portion 12, can improve the frictional force that can transmit between first damping portion 112 and the second damping portion with first damping portion 112 and second damping portion interference fit, ensures the stability of the load transmission between sub vehicle frame 2 and the automobile body, improves sub vehicle frame connection structure's reliability.
According to the utility model discloses an embodiment, first damping portion 112 and second damping portion all construct for the rubber spare, and the rubber spare can improve the vibration isolation effect between sub vehicle frame and the automobile body, and different rigidity and size can be selected according to actual in service behavior to the rubber spare simultaneously to improve sub vehicle frame connection structure 1's result of use.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a be provided with sub vehicle frame connection structure 1 of above-mentioned embodiment on the vehicle, because according to the utility model discloses a sub vehicle frame connection structure 1 of above-mentioned embodiment is provided with on the vehicle, consequently the sub vehicle frame of this vehicle and being connected between the automobile body are stable, and the reliability is high, has reduced the weight and the cost of whole car under the prerequisite of guaranteeing sub vehicle frame and automobile body joint strength.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A subframe connecting structure for a vehicle, comprising:
a first connection portion (11), the first connection portion (11) being provided on one of the subframe and a vehicle body, the first connection portion (11) extending in a vibration direction of the subframe body;
the second connecting portion (12) is arranged on the other one of the auxiliary frame and the vehicle body, an accommodating cavity (121) suitable for accommodating the first connecting portion (11) is formed in the second connecting portion (12), and the first connecting portion (11) is abutted to the inner surface of the accommodating cavity (121).
2. The subframe connecting structure for a vehicle according to claim 1, wherein a sectional shape of the first connecting portion (11) in the extending direction is the same as a sectional shape of the receiving cavity (121) in the extending direction, and a section of the first connecting portion (11) in the extending direction is a non-circular section.
3. The subframe connection structure for a vehicle according to claim 2, wherein a cross section of the first connection portion (11) in the extending direction is configured as a polygonal cross section.
4. The subframe connecting structure for a vehicle according to claim 2, wherein a cross section of the first connecting portion (11) in the extending direction is configured as a triangular cross section, and a width of the first connecting portion (11) in the front-rear direction gradually increases or decreases.
5. The subframe connection structure for a vehicle according to claim 4, wherein a reinforcing bracket (13) is provided between the first connection portion (11) and the subframe (2), the reinforcing bracket (13) being integrally formed with the first connection portion (11) and configured as an "L" -shaped bracket.
6. The subframe connection structure for a vehicle according to claim 5, wherein the first connection portion (11) includes:
a connecting core (111), wherein the connecting core (111) is arranged at one end of the reinforcing bracket (13) and extends in the vibration direction of the auxiliary frame body;
a first vibration damping portion (112), wherein the first vibration damping portion (112) is wrapped around the outer periphery of the connecting core (111) and the cross section of the first vibration damping portion (112) in the extending direction is configured to be a triangular cross section.
7. The subframe connection structure for a vehicle according to claim 6, wherein the second connection portion (12) includes:
the connecting sleeve is arranged on the vehicle body longitudinal beam and extends towards the first connecting part (11), and one end, facing the first connecting part (11), of the connecting sleeve is open;
a second vibration damping part which is arranged in the connecting sleeve and in which a cavity is formed in order to form the receiving chamber (121), the cross section of the cavity in the direction of extension matching the cross section of the first vibration damping part (112) in the direction of extension.
8. The subframe connection structure for a vehicle according to claim 7, wherein the first vibration attenuation portion (112) is interference-fitted with the second vibration attenuation portion.
9. The subframe connecting structure for a vehicle according to claim 8, wherein the first vibration attenuating portion (112) and the second vibration attenuating portion are each configured as a rubber member.
10. A vehicle characterized by comprising the subframe connection structure for a vehicle according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120635165.1U CN214493093U (en) | 2021-03-29 | 2021-03-29 | A sub vehicle frame connection structure and vehicle for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120635165.1U CN214493093U (en) | 2021-03-29 | 2021-03-29 | A sub vehicle frame connection structure and vehicle for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214493093U true CN214493093U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120635165.1U Active CN214493093U (en) | 2021-03-29 | 2021-03-29 | A sub vehicle frame connection structure and vehicle for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214493093U (en) |
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2021
- 2021-03-29 CN CN202120635165.1U patent/CN214493093U/en active Active
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