CN210761012U - Connecting piece, sub vehicle frame and car - Google Patents
Connecting piece, sub vehicle frame and car Download PDFInfo
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- CN210761012U CN210761012U CN201921124349.0U CN201921124349U CN210761012U CN 210761012 U CN210761012 U CN 210761012U CN 201921124349 U CN201921124349 U CN 201921124349U CN 210761012 U CN210761012 U CN 210761012U
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Abstract
The utility model provides a connecting piece, which is a tubular structure and is provided with a through hole, and the through hole penetrates through two ends of the connecting piece; the through hole comprises a first section and a second section, a connecting part is arranged on the inner wall of the connecting piece corresponding to the first section, and a weight reduction structure is arranged on the side wall of the connecting piece corresponding to the second section. The utility model discloses a connecting piece total weight that provides is lower. The utility model also provides a sub vehicle frame, a sub vehicle frame often use 4 to 10 the weight reduction is synthesized to connecting piece, sub vehicle frame.
Description
Technical Field
The utility model relates to a relevant technical field of car, in particular to connecting piece, sub vehicle frame and car.
Background
At present, the passenger car generally adopts a sub-frame structure. The subframe can be regarded as a framework of the front axle and the rear axle, and is a component of the front axle and the rear axle.
In the field of automobiles, in order to improve the rigidity of mounting points of parts such as suspensions and stabilizer bars on auxiliary frames and the durability of the mounting points, a welded connecting piece, namely a threaded sleeve scheme, is often used. The conventional threaded sleeve is a threaded pipe with equal wall thickness, and the sleeve is welded to the upper plate and the lower plate of the auxiliary frame, so that the upper plate and the lower plate form a whole, and the rigidity and the durability of a mounting point are improved.
In the above-mentioned threaded bushing solution, the threaded bushing must be connected to the upper plate and the lower plate to form a welded assembly, so the length of the threaded bushing cannot be shortened. In use, the bolt connection length can ensure the connection strength without completely penetrating through the threaded sleeve. Resulting in a threaded bushing with a portion of the threads unused and a higher cost and weight.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the great technical problem of connecting piece structure weight in the sub vehicle frame is solved.
In order to solve the technical problem, the utility model discloses a connecting piece, which is a tubular structure and is provided with a through hole, and the through hole penetrates through two ends of the connecting piece;
the through hole comprises a first section and a second section, a connecting part is arranged on the inner wall of the connecting piece corresponding to the first section, and a weight reduction structure is arranged on the side wall of the connecting piece corresponding to the second section.
Furthermore, the weight-reducing structure is formed by the connection piece corresponding to the outward concave inner wall of the second section.
Further, the weight-reducing structure comprises at least one weight-reducing hole, and the at least one weight-reducing hole penetrates through the inner wall and the outer wall of the connecting piece.
Further, the weight reduction structure comprises at least one weight reduction groove, and the at least one weight reduction groove is arranged on the inner wall or the outer wall of the connecting piece.
Furthermore, the weight reduction structure is that the inner wall of the connecting piece corresponding to the second section is in a tapered structure, and the side wall profile size of the second section close to one end of the first section is smaller than that of the second section far away from one end of the first section.
Furthermore, the pipe wall of the connecting piece corresponding to the second section adopts foam metal; or the like, or, alternatively,
and the pipe wall of the connecting piece corresponding to the second section is of a honeycomb structure.
On the other hand, the utility model discloses an auxiliary frame, which comprises a first plate body, a second plate body and at least one connecting piece;
the first plate body and the second plate body are arranged at intervals, at least one connecting piece is arranged between the first plate body and the second plate body, one end of the connecting piece is fixedly connected with the first plate body, and the other end of the connecting piece is fixedly connected with the second plate body;
the first plate body is provided with an assembly hole, the position of the assembly hole corresponds to the through hole of the connecting piece, and the assembly hole is communicated with the through hole of the connecting piece.
Furthermore, the other end of the connecting piece penetrates out of the surface of the second plate body far away from the first plate body, and the outer wall of the connecting piece is fixedly connected with the second plate body.
Further, the bolt is connected with the connecting portion through the assembling hole.
On the other hand, the utility model discloses an automobile, include the sub vehicle frame.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
1) the utility model discloses a connecting piece that provides is the tubular structure, and one of them section inner wall of connecting piece is equipped with connecting portion, the lateral wall of another section of connecting piece is equipped with subtracts heavy structure, and the connecting piece total weight is lower.
2) The utility model discloses a sub vehicle frame that provides adopts the connecting piece, in sub vehicle frame, bolted connection length need not all to pass the connecting piece and can guarantee joint strength. The second section of the connecting piece is not used, the weight reduction structure is arranged on the second section of the connecting piece, the weight of the connecting piece can be effectively reduced, and 4-10 connecting pieces are often used for one auxiliary frame, so that the comprehensive weight of the auxiliary frame is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a connecting member according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a connecting member according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a connecting member according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of the auxiliary frame according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a connecting member according to embodiment 2 of the present invention;
fig. 6 is a schematic structural view of a connecting member according to embodiment 3 of the present invention;
fig. 7 is a schematic structural view of a connecting member according to embodiment 4 of the present invention.
The following is a supplementary description of the drawings:
1-first stage; 11-a connecting portion; 2-a second stage; 21-a weight-reducing structure; 211-lightening holes; 212-weight reduction grooves; 3-a first plate body; 31-assembly holes; 4-a second plate body; 5-bolt.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Example 1:
for the great technical problem of solving sub vehicle frame medium connecting piece structure weight, the utility model discloses embodiment 1 has shown the schematic diagram of a connecting piece. As shown in fig. 1, the present embodiment 1 provides a connecting member, which is a tubular structure and has a through hole, wherein the through hole penetrates through two ends of the connecting member;
the through hole comprises a first section 1 and a second section 2, a connecting part 11 is arranged on the inner wall of the connecting part corresponding to the first section 1, and a weight reducing structure 21 is arranged on the side wall of the connecting part corresponding to the second section 2.
The weight-reducing structure 21 is formed by the connecting piece corresponding to the outward concave inner wall of the second section 2. As shown in fig. 1, the weight-reducing structure 21 may be formed by enlarging the diameter of the through hole of the connecting member corresponding to the second section 2 and reducing the wall thickness; or as shown in fig. 2, the weight-reducing structure 21 is formed by an outward arc-shaped recess of the inner wall of the second section 2 corresponding to the connecting piece; or as shown in fig. 3, the weight-reducing structure 21 is formed by the connecting piece being recessed outwards in a stepped manner corresponding to the inner wall of the second section 2.
The utility model also provides an auxiliary frame, as shown in fig. 4, comprising a first plate body 3, a second plate body 4 and at least one connecting piece;
the first plate body 3 and the second plate body 4 are arranged at intervals, at least one connecting piece is arranged between the first plate body 3 and the second plate body 4, one end of the connecting piece is fixedly connected with the first plate body 3, and the other end of the connecting piece is fixedly connected with the second plate body 4;
the first plate body 3 is provided with an assembly hole 31, the position of the assembly hole 31 corresponds to the through hole of the connecting piece, and the assembly hole 31 is communicated with the through hole of the connecting piece. The connecting piece is connected with the first plate body 3 and the second plate body 4 to form a welding assembly.
Furthermore, the other end of the connecting piece penetrates out of the surface of the second plate body 4 far away from the first plate body 3, and the outer wall of the connecting piece is fixedly connected with the second plate body 4.
Further, the bolt 5 is further included, and the bolt 5 passes through the assembling hole 31 to be connected with the connecting part 11. In the auxiliary frame, the connection strength can be ensured without the connection length of the bolt 5 penetrating through the connecting piece. The second section 2 of the connecting element is provided with a weight-reducing structure 21 which can effectively reduce the weight of the connecting element, and 4-10 connecting elements are often used for one auxiliary frame, so that the comprehensive weight of the auxiliary frame is reduced.
The utility model also provides a car, include the sub vehicle frame.
Example 2:
as shown in fig. 5, the present embodiment 2 provides a connecting member, wherein the connecting member is a tubular structure, and the connecting member has a through hole, and the through hole penetrates through two ends of the connecting member;
the through hole comprises a first section 1 and a second section 2, a connecting part 11 is arranged on the inner wall of the connecting part corresponding to the first section 1, and a weight reducing structure 21 is arranged on the side wall of the connecting part corresponding to the second section 2.
The weight-reducing structure 21 comprises at least one weight-reducing hole 211, and the at least one weight-reducing hole 211 penetrates through the inner wall and the outer wall of the connecting piece. The number of the lightening holes 211 can be properly adjusted on the premise of ensuring the strength of the connecting piece.
The utility model also provides an auxiliary frame, as shown in fig. 4, comprising a first plate body 3, a second plate body 4 and at least one connecting piece;
the first plate body 3 and the second plate body 4 are arranged at intervals, at least one connecting piece is arranged between the first plate body 3 and the second plate body 4, one end of the connecting piece is fixedly connected with the first plate body 3, and the other end of the connecting piece is fixedly connected with the second plate body 4;
the first plate body 3 is provided with an assembly hole 31, the position of the assembly hole 31 corresponds to the through hole of the connecting piece, and the assembly hole 31 is communicated with the through hole of the connecting piece. The connecting piece is connected with the first plate body 3 and the second plate body 4 to form a welding assembly.
Furthermore, the other end of the connecting piece penetrates out of the surface of the second plate body 4 far away from the first plate body 3, and the outer wall of the connecting piece is fixedly connected with the second plate body 4.
Further, the bolt 5 is further included, and the bolt 5 passes through the assembling hole 31 to be connected with the connecting part 11. In the auxiliary frame, the connection strength can be ensured without the connection length of the bolt 5 penetrating through the connecting piece. The second section 2 of the connecting element is provided with a weight-reducing structure 21 which can effectively reduce the weight of the connecting element, and 4-10 connecting elements are often used for one auxiliary frame, so that the comprehensive weight of the auxiliary frame is reduced.
The utility model also provides a car, include the sub vehicle frame.
Example 3:
as shown in fig. 6, the present embodiment 3 provides a connecting member, wherein the connecting member is a tubular structure, and the connecting member has a through hole, and the through hole penetrates through two ends of the connecting member;
the through hole comprises a first section 1 and a second section 2, a connecting part 11 is arranged on the inner wall of the connecting part corresponding to the first section 1, and a weight reducing structure 21 is arranged on the side wall of the connecting part corresponding to the second section 2.
As shown in fig. 6, the weight-reducing structure 21 includes at least one weight-reducing groove 212, and the at least one weight-reducing groove 212 is disposed on an inner wall or an outer wall of the connecting member. The number of the weight-reduction grooves 212 can be appropriately adjusted while ensuring the strength of the connector.
The utility model also provides an auxiliary frame, as shown in fig. 4, comprising a first plate body 3, a second plate body 4 and at least one connecting piece;
the first plate body 3 and the second plate body 4 are arranged at intervals, at least one connecting piece is arranged between the first plate body 3 and the second plate body 4, one end of the connecting piece is fixedly connected with the first plate body 3, and the other end of the connecting piece is fixedly connected with the second plate body 4;
the first plate body 3 is provided with an assembly hole 31, the position of the assembly hole 31 corresponds to the through hole of the connecting piece, and the assembly hole 31 is communicated with the through hole of the connecting piece. The connecting piece is connected with the first plate body 3 and the second plate body 4 to form a welding assembly.
Furthermore, the other end of the connecting piece penetrates out of the surface of the second plate body 4 far away from the first plate body 3, and the outer wall of the connecting piece is fixedly connected with the second plate body 4.
Further, the bolt 5 is further included, and the bolt 5 passes through the assembling hole 31 to be connected with the connecting part 11. In the auxiliary frame, the connection strength can be ensured without the connection length of the bolt 5 penetrating through the connecting piece. The second section 2 of the connecting element is provided with a weight-reducing structure 21 which can effectively reduce the weight of the connecting element, and 4-10 connecting elements are often used for one auxiliary frame, so that the comprehensive weight of the auxiliary frame is reduced.
The utility model also provides a car, include the sub vehicle frame.
Example 4:
this embodiment 4 provides a connecting member, which is a tubular structure and has a through hole, and the through hole penetrates through two ends of the connecting member;
the through hole comprises a first section 1 and a second section 2, a connecting part 11 is arranged on the inner wall of the connecting part corresponding to the first section 1, and a weight reducing structure 21 is arranged on the side wall of the connecting part corresponding to the second section 2.
As shown in fig. 7, the weight-reducing structure 21 is that the inner wall of the connecting piece corresponding to the second section 2 is in a tapered structure, and the side wall profile dimension of the second section 2 near one end of the first section 1 is smaller than the side wall profile dimension of the second section far away from one end of the first section 1.
The utility model also provides an auxiliary frame, as shown in fig. 4, comprising a first plate body 3, a second plate body 4 and at least one connecting piece;
the first plate body 3 and the second plate body 4 are arranged at intervals, at least one connecting piece is arranged between the first plate body 3 and the second plate body 4, one end of the connecting piece is fixedly connected with the first plate body 3, and the other end of the connecting piece is fixedly connected with the second plate body 4;
the first plate body 3 is provided with an assembly hole 31, the position of the assembly hole 31 corresponds to the through hole of the connecting piece, and the assembly hole 31 is communicated with the through hole of the connecting piece. The connecting piece is connected with the first plate body 3 and the second plate body 4 to form a welding assembly.
Furthermore, the other end of the connecting piece penetrates out of the surface of the second plate body 4 far away from the first plate body 3, and the outer wall of the connecting piece is fixedly connected with the second plate body 4.
Further, the bolt 5 is further included, and the bolt 5 passes through the assembling hole 31 to be connected with the connecting part 11. In the auxiliary frame, the connection strength can be ensured without the connection length of the bolt 5 penetrating through the connecting piece. The second section 2 of the connecting element is provided with a weight-reducing structure 21 which can effectively reduce the weight of the connecting element, and 4-10 connecting elements are often used for one auxiliary frame, so that the comprehensive weight of the auxiliary frame is reduced.
The utility model also provides a car, include the sub vehicle frame.
Example 5:
this embodiment 5 provides a connecting member, which is a tubular structure and has a through hole, and the through hole penetrates through two ends of the connecting member;
the through hole comprises a first section 1 and a second section 2, a connecting part 11 is arranged on the inner wall of the connecting part corresponding to the first section 1, and a weight reducing structure 21 is arranged on the side wall of the connecting part corresponding to the second section 2.
The pipe wall of the connecting piece corresponding to the second section 2 is made of foam metal; in a possible embodiment, the wall of the connector corresponding to the second section 2 is of a honeycomb structure.
The utility model also provides an auxiliary frame, as shown in fig. 4, comprising a first plate body 3, a second plate body 4 and at least one connecting piece;
the first plate body 3 and the second plate body 4 are arranged at intervals, at least one connecting piece is arranged between the first plate body 3 and the second plate body 4, one end of the connecting piece is fixedly connected with the first plate body 3, and the other end of the connecting piece is fixedly connected with the second plate body 4;
the first plate body 3 is provided with an assembly hole 31, the position of the assembly hole 31 corresponds to the through hole of the connecting piece, and the assembly hole 31 is communicated with the through hole of the connecting piece. The connecting piece is connected with the first plate body 3 and the second plate body 4 to form a welding assembly.
Furthermore, the other end of the connecting piece penetrates out of the surface of the second plate body 4 far away from the first plate body 3, and the outer wall of the connecting piece is fixedly connected with the second plate body 4.
Further, the bolt 5 is further included, and the bolt 5 passes through the assembling hole 31 to be connected with the connecting part 11. In the auxiliary frame, the connection strength can be ensured without the connection length of the bolt 5 penetrating through the connecting piece. The second section 2 of the connecting element is provided with a weight-reducing structure 21 which can effectively reduce the weight of the connecting element, and 4-10 connecting elements are often used for one auxiliary frame, so that the comprehensive weight of the auxiliary frame is reduced.
The utility model also provides a car, include the sub vehicle frame.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A connector, characterized by: the connecting piece is of a tubular structure and is provided with a through hole which penetrates through two ends of the connecting piece;
the through hole comprises a first section (1) and a second section (2), a connecting part (11) is arranged on the inner wall of the connecting part corresponding to the first section (1), and a weight reducing structure (21) is arranged on the side wall of the connecting part corresponding to the second section (2).
2. The connector of claim 1, wherein: the weight-reducing structure (21) is formed by outwards sinking the inner wall of the connecting piece corresponding to the second section.
3. The connector of claim 1, wherein: the weight-reducing structure (21) comprises at least one weight-reducing hole (211), and the at least one weight-reducing hole (211) penetrates through the inner wall and the outer wall of the connecting piece.
4. A connection piece according to claim 1 or 3, wherein: the weight-reducing structure (21) comprises at least one weight-reducing groove (212), and the at least one weight-reducing groove (212) is arranged on the inner wall or the outer wall of the connecting piece.
5. The connector of claim 1, wherein: the weight reducing structure (21) is that the inner wall of the connecting piece corresponding to the second section (2) is in a gradually reducing structure, and the outline size of the side wall of the second section (2) close to one end of the first section (1) is smaller than that of the side wall of the second section far away from one end of the first section (1).
6. The connector of claim 1, wherein: the pipe wall of the connecting piece corresponding to the second section (2) is made of foam metal; or the like, or, alternatively,
the pipe wall of the connecting piece corresponding to the second section (2) is of a honeycomb structure.
7. An auxiliary frame is characterized in that: comprising a first plate (3), a second plate (4) and at least one connecting piece according to any one of claims 2-6;
the first plate body (3) and the second plate body (4) are arranged at intervals, at least one connecting piece is arranged between the first plate body (3) and the second plate body (4), one end of the connecting piece is fixedly connected with the first plate body (3), and the other end of the connecting piece is fixedly connected with the second plate body (4);
the first plate body is provided with an assembly hole (31), the position of the assembly hole (31) corresponds to the through hole of the connecting piece, and the assembly hole (31) is communicated with the through hole of the connecting piece.
8. The subframe of claim 7 wherein: the other end of the connecting piece penetrates out of the surface of the second plate body (4) far away from the first plate body (3), and the outer wall of the connecting piece is fixedly connected with the second plate body (4).
9. The subframe of claim 8 wherein: the bolt (5) penetrates through the assembly hole (31) and is connected with the connecting portion (11).
10. An automobile, characterized in that: comprising a subframe according to any one of claims 7 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921124349.0U CN210761012U (en) | 2019-07-17 | 2019-07-17 | Connecting piece, sub vehicle frame and car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921124349.0U CN210761012U (en) | 2019-07-17 | 2019-07-17 | Connecting piece, sub vehicle frame and car |
Publications (1)
Publication Number | Publication Date |
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CN210761012U true CN210761012U (en) | 2020-06-16 |
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Family Applications (1)
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CN201921124349.0U Active CN210761012U (en) | 2019-07-17 | 2019-07-17 | Connecting piece, sub vehicle frame and car |
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CN (1) | CN210761012U (en) |
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2019
- 2019-07-17 CN CN201921124349.0U patent/CN210761012U/en active Active
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