CN213442777U - Automobile and rear auxiliary frame and bushing sleeve thereof - Google Patents
Automobile and rear auxiliary frame and bushing sleeve thereof Download PDFInfo
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- CN213442777U CN213442777U CN202022547163.5U CN202022547163U CN213442777U CN 213442777 U CN213442777 U CN 213442777U CN 202022547163 U CN202022547163 U CN 202022547163U CN 213442777 U CN213442777 U CN 213442777U
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- flange
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- bush
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Abstract
The utility model discloses an automobile and a rear auxiliary frame and a bushing sleeve thereof; wherein, the bush sleeve is used for the soft connection structure, and includes: a straight cylinder and a flanging; the turn-ups is secondary turn-ups structure, and includes: a first flange and a second flange; the first end of the first flanging is connected to the end part of the straight cylinder, and the second end of the first flanging is connected to the first end of the second flanging. In the scheme, the secondary flanging structure is arranged at the end part of the straight cylinder, so that the first flanging and the second flanging are both in contact with the bush collision block; this scheme compares with current turn-ups structure, has helped increasing the cooperation area that bush sleeve pipe and bush hit the piece, and then is favorable to supporting the installation that hits a big bush to can improve the travelling comfort and the NVH performance of automobile body.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to car and back sub vehicle frame, bush sleeve pipe thereof.
Background
The automobile rear auxiliary frame is applied to a multi-connecting-rod rear axle and used for integrating rear axle parts such as a control arm, a stabilizer bar, a spring, a rear differential/motor and other driving devices, so that the rear axle parts become a module and have important influence on the control and comfort of the whole automobile. The rear subframe can be divided into a soft connection (bushing) and a hard connection (without bushing) from the body, and the soft connection can better isolate the road vibration to bring good comfort.
The bushing sleeve of the auxiliary frame after flexible connection is in a straight cylinder without a flange, so that the collision block of the bushing cannot be made large. However, although the conventional bushing sleeve has a one-time flanging, the plane for supporting the bushing bump is limited, and it is difficult to mount the bushing having a large bump.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a bush sleeve pipe can help having increased the cooperation area that bush sleeve pipe and bush hit the piece, and then is favorable to supporting the installation that hits a piece bush greatly to can improve the travelling comfort and the NVH performance of automobile body.
The utility model also provides an use above-mentioned bush sheathed tube back sub vehicle frame.
The utility model also provides an use the car of above-mentioned back sub vehicle frame.
In order to achieve the above object, the utility model provides a following technical scheme:
a liner sleeve for a flexible connection structure, comprising: a straight cylinder and a flanging;
the turn-ups is secondary turn-ups structure, and includes: a first flange and a second flange; the first end of the first flanging is connected to the end part of the straight cylinder, and the second end of the first flanging is connected to the first end of the second flanging.
Preferably, the first flanging and the second flanging are both in a round chamfer structure, and the outer side faces of the second end of the first flanging and the first end of the second flanging are both planes perpendicular to the axial direction of the straight cylinder.
Preferably, the second end of the second flange is parallel to the axial direction of the straight cylinder.
Preferably, the second flange is of a broken structure in the circumferential direction.
A rear subframe, comprising: the sleeve pipe and the back sub vehicle frame roof beam, the sleeve pipe is the bush sleeve pipe as described above.
Preferably, an upper round hole with the same diameter as the outer diameter of the straight cylinder is formed in the upper plane of the rear auxiliary frame beam; and a lower round hole is formed in the lower plane of the rear auxiliary frame beam, and the diameter of the lower round hole is larger than the outer diameter of the straight cylinder and smaller than the outer diameter of the second end of the second flanging.
Preferably, the method further comprises the following steps:
the first welding seam is arranged between the upper round hole and the outer wall of the straight cylinder;
and the second welding line is arranged between the lower plane and the end part of the second end of the second flanging.
Preferably, the first welding seams are distributed along the circumferential direction of the straight cylinder and are positioned at the outer edge of the upper round hole;
the second welding line is distributed along the circumferential direction of the end part of the second end of the second flanging and is positioned on the outer side of the end part of the second end of the second flanging.
Preferably, the second flanging is of a disconnected structure in the circumferential direction;
the second weld is of a broken structure in the circumferential direction.
An automobile, comprising: a rear subframe, said rear subframe being a rear subframe as described above.
According to the technical scheme, the secondary flanging structure is arranged at the end part of the straight cylinder in the bushing sleeve provided by the utility model, so that the first flanging and the second flanging are both contacted with the bushing collision block; this scheme compares with current turn-ups structure, has helped increasing the cooperation area that bush sleeve pipe and bush hit the piece, and then is favorable to supporting the installation that hits a big bush to can improve the travelling comfort and the NVH performance of automobile body.
The utility model also provides a back sub vehicle frame, owing to adopted foretell bush sleeve pipe, consequently it also has corresponding beneficial effect, specifically can refer to preceding explanation, no longer gives unnecessary details here.
The utility model also provides a car, owing to adopted foretell back sub vehicle frame, consequently it also has corresponding beneficial effect, specifically can refer to the preceding explanation, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a bushing sleeve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the rear subframe according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of the rear subframe according to an embodiment of the present invention;
fig. 4 is the structural schematic diagram after the bushing is assembled on the rear subframe provided by the embodiment of the utility model.
Wherein, 1 is a sleeve, 101 is a straight cylinder, 102 is a flanging, 102.1 is a first flanging, and 102.2 is a second flanging; 2, a rear auxiliary frame beam, 201 is an upper plane, and 202 is a lower plane; 301 is a first weld and 302 is a second weld; 4 is a bushing, 401 is a bushing strike.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a bush sleeve pipe for the flexible connection structure, as shown in figure 1, include: a straight cylinder 101 and a flange 102;
In the scheme, it should be noted that the flanges 102 are distributed along the circumferential direction of the straight cylinder 101, further, the first flange 102.1 is equivalent to an inner flange, and the second flange 102.2 is equivalent to an outer flange; the prefix sequence of the first flanging 102.1 and the second flanging 102.2 does not represent the flanging sequence, and the flanging sequences of the first flanging and the second flanging can be interchanged; for example, the first flange 102.1 can be obtained by integrally flanging, and then the second flange 102.2 can be obtained by partially flanging the first flange 102.1; alternatively, the second flange 102.2 may be integrally flanged first, and then the first flange 102.1 may be integrally flanged separately. In addition, the secondary flanging structure is connected to one end of the straight cylinder 101, and is substantially obtained by forming one end of the straight cylinder 101 through a flanging process.
It can be seen from the above technical solution that, in the bushing sleeve provided by the embodiment of the present invention, the second flanging structure is provided at the end of the straight cylinder, so that the first flanging and the second flanging are both in contact with the bushing collision block; this scheme compares with current turn-ups structure, has helped increasing the cooperation area that bush sleeve pipe and bush hit the piece, and then is favorable to supporting the installation that hits a big bush to can improve the travelling comfort and the NVH performance of automobile body.
In this embodiment, as shown in fig. 3, the first flange 102.1 and the second flange 102.2 are both of a round chamfer structure, and the outer side surfaces of the second end of the first flange 102.1 and the first end of the second flange 102.2 are both planes perpendicular to the axial direction of the straight cylinder 101, so that the planes form a supporting surface for cooperating with the bushing block 401. The design is so designed to ensure that the first flanging 102.1 and the second flanging 102.2 are both in contact fit with the bush collision block 401, which is beneficial to increasing the fit area of the flanging 102 and the bush collision block 401, thereby being beneficial to mounting a large collision block bush.
Further, as shown in fig. 3, the second end of the second flange 102.2 is parallel to the axial direction of the straight cylinder 101. This scheme designs so to increased back sub vehicle frame roof beam 2 and bush and hit piece 401's erection space, and then be favorable to back sub vehicle frame roof beam 2 and turn-ups 102's welding, thereby help reducing the sheathed tube welding degree of difficulty of bush.
By the design, the edge turning edge can be sharpened to prevent the bush collision block 401 from being damaged by assembly, and the rigidity and the strength of the turned edge 102 are enhanced.
Still further, the second flange 102.2 is of a broken structure in the circumferential direction. That is, the second flange 102.2 is discontinuous in the circumferential direction, and as shown in fig. 1, the second flange 102.2 has two disconnected structures in the circumferential direction. This scheme designs so to under the prerequisite that satisfies performance requirements such as structural strength, realize the lightweight design of turn-ups 102, still be favorable to bush sleeve pipe welding process's simplification with this.
The embodiment of the utility model provides a back sub vehicle frame is still provided, as shown in FIG. 2, include: a sleeve 1 and a rear sub frame beam 2, the sleeve 1 being a bush sleeve as described above. Because this scheme has adopted foretell bush sleeve pipe, it also has corresponding beneficial effect, can refer to the preceding explanation specifically, and the no longer repeated description here.
Specifically, as shown in fig. 2 and 3, an upper plane 201 of the rear subframe beam 2 is provided with an upper circular hole having the same diameter as the outer diameter of the straight cylinder 101, so as to facilitate equal-diameter installation of the upper part of the straight cylinder 101, thereby not only preventing the straight cylinder 101 from moving, but also ensuring contact welding between the straight cylinder 101 and the upper circular hole of the upper plane 201;
a lower round hole is formed in the lower plane 202 of the rear auxiliary frame beam 2, the diameter of the lower round hole is larger than the outer diameter of the straight cylinder 101 and smaller than the outer diameter of the second end of the second flanging 102.2, so that the limiting installation of the lower part of the straight cylinder 101 is facilitated, and the flanging 102 is prevented from penetrating through the lower round hole; in this scheme, back sub vehicle frame roof beam 2 has realized through open pore structure that so design, satisfying under the prerequisite of performance requirements such as structural strength, still is favorable to realizing the design of subtracting of back sub vehicle frame roof beam 2 and weighs.
Further, as shown in fig. 3, the embodiment of the present invention provides a rear subframe further including:
a first welding seam 301 arranged between the upper round hole and the outer wall of the straight cylinder 101;
a second weld 302 disposed between lower planar surface 202 and the end of the second end of second flange 102.2. In this scheme, the welded structure between bush sheathed tube turn-ups 102 and back sub vehicle frame roof beam 2 can simplify to welded structure between the tip of lower plane 202 and second turn-ups 102.2 second end to help reducing back sub vehicle frame roof beam 2 and bush sheathed tube welding degree of difficulty.
Specifically, as shown in fig. 3, the first welding seams 301 are distributed along the circumferential direction of the straight cylinder 101, that is, the first welding seams 301 are welded once on the upper plane 201 along the outer wall of the straight cylinder 101 and located at the outer edge of the upper circular hole, that is, the first welding seams 301 are located on the outer side of the connection between the upper circular hole and the straight cylinder 101 on the upper plane 201;
Still further, as can be seen from the above, the second turned-over edge 102.2 is of a broken structure in the circumferential direction; accordingly, the second weld 302 is also a broken structure in the circumferential direction. Namely, the second welding seam 302 is divided into a plurality of sections of welding seams according to the breaking structure of the second flanging 102.2, so that the welding process is simplified, and the light weight of the structure can be realized.
The embodiment of the utility model provides a still provide an automobile, include: a rear subframe, said rear subframe being a rear subframe as described above. Because this scheme has adopted foretell back sub vehicle frame, it also has corresponding beneficial effect, can specifically refer to preceding explanation, no longer gives unnecessary details here.
The present solution is further described below with reference to specific embodiments:
the embodiment of the utility model provides a car flexible coupling back sub vehicle frame bush sleeve structure, its turn-ups is big, the mountable has the bush that great hitting the piece, welding process is simple, light in weight, can improve the travelling comfort and NVH performance of car;
the bushing sleeve structure comprises a sleeve with one end provided with a flange, the sleeve comprises a straight cylinder and a flange which are connected together, and the flange is of a secondary flange structure.
The secondary flanging structure is a disconnected structure (discontinuous structure) so as to reduce weight on the premise of meeting the performance requirements of structural strength and the like;
the secondary flanging structure is used for flanging the bushing block, and is provided with a round chamfer angle and enough planes for supporting the bushing block;
on the other hand, the embodiment of the utility model provides a sleeve pipe mounting structure is still provided, it includes that sleeve pipe mounting department goes up the plane and the parallel back auxiliary frame roof beam in plane down, first welding seam and second welding seam, go up the plane open have the diameter with the round hole that straight external diameter is the same, down the plane open have the diameter between the biggest external diameter of secondary flanging structure with round hole between the straight external diameter, plane round hole diameter is generally greater than down straight external diameter can not with the sleeve pipe contact.
Wherein the first weld joint is positioned on the outer side of the joint of the rear auxiliary frame beam and the straight cylinder on the upper plane;
and the second welding seam is positioned on the outer side of the joint of the rear auxiliary frame beam and the secondary flanging structure on the lower plane.
Further, as shown in fig. 1 to 4, the utility model discloses a flexible connection rear subframe bushing sleeve of an automobile and a mounting structure thereof, which comprises a sleeve 1, a rear subframe beam 2 and welding seams (a first welding seam and a second welding seam); wherein, the sleeve 1 comprises a straight cylinder 101 and a flange 102 (secondary flange structure); a round hole is formed in the upper plane 201 of the rear auxiliary frame beam 2, and a coaxial round hole is formed in the lower plane 202; the weld is arranged on the outer surface of the joint between the upper plane 201 and the lower plane 202 and the casing 1.
Preferably, the diameter of the circular hole formed in the lower plane 202 is larger than the outer diameter of the straight cylinder 101 and slightly smaller than the maximum outer diameter of the secondary flanging structure 102, so that weight reduction is realized on the premise of meeting performance requirements such as structural strength.
Preferably, the welding seam is welded on the upper plane 201 for one circle along the outer side of the sleeve 1, and is divided into a plurality of sections on the lower plane 202 according to the disconnection of the secondary flanging structure 102, so that the weight is reduced, and the welding process is simple.
The utility model provides a pair of sub vehicle frame bush sleeve pipe and mounting structure support the assembly and hit a bush greatly behind car flexible coupling, and then improve the travelling comfort and the NVH performance of car, realize the lightweight simultaneously, design bush sleeve pipe and mounting structure.
The utility model has the advantages that:
1. the utility model effectively solves the problems in the prior art, and the secondary flanging structure is arranged on the sleeve, so that the requirement of the welding process is met, and simultaneously, the large collision block bushing is supported, and the comfort and NVH performance of the automobile can be improved;
2. by disconnecting the secondary flanging structure and forming the round hole with larger diameter on the lower plane, the structural performance is met, the weight of the product is reduced, and the lightweight design is met.
To sum up, the utility model discloses a bushing sleeve of a rear auxiliary frame of a flexible connection of an automobile and an installation structure thereof, which comprises a sleeve with a flanging at one end, a rear auxiliary frame beam and a welding line; the sleeve comprises a straight cylinder and a flanging which are connected together, and the flanging is of a secondary flanging structure; the rear auxiliary frame beam is provided with two surfaces, parallel to an upper plane and a lower plane, at the sleeve installation position, the upper plane is provided with a round hole with the diameter the same as the outer diameter of the straight cylinder, and the lower plane is provided with a round hole with the diameter between the maximum outer diameter of the secondary flanging structure and the outer diameter of the straight cylinder; the welding seam is located on the outer side of the joint of the rear auxiliary frame beam and the sleeve. The utility model discloses support the assembly and hit a bush greatly, considered welding process nature and structure lightweight, when having improved car travelling comfort and NVH performance, welding process is simple, and structure light in weight.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A liner sleeve for a flexible connection, comprising: a straight cylinder (101) and a flanging (102);
turn-ups (102) are secondary turn-ups structure, include: a first turned-over edge (102.1) and a second turned-over edge (102.2); the first end of the first flanging (102.1) is connected to the end part of the straight cylinder (101), and the second end of the first flanging is connected to the first end of the second flanging (102.2).
2. The bushing sleeve according to claim 1, characterized in that the first flange (102.1) and the second flange (102.2) are both of a round chamfer structure, and the outer side surfaces of the second end of the first flange (102.1) and the first end of the second flange (102.2) are both perpendicular to the axial plane of the straight cylinder (101).
3. A bushing sleeve according to claim 2, characterized in that the second end of the second flange (102.2) is parallel to the axial direction of the straight cylinder (101).
4. A bushing sleeve according to claim 1, characterized in that the second flanging (102.2) is of interrupted configuration in the circumferential direction.
5. A rear subframe, comprising: a bushing (1) and a rear subframe beam (2), said bushing (1) being a bushing according to any one of claims 1-4.
6. The rear subframe according to claim 5 wherein the upper plane (201) of the rear subframe beam (2) is provided with an upper circular hole having the same diameter as the outer diameter of the straight tube (101); and a lower round hole is formed in the lower plane (202) of the rear auxiliary frame beam (2), and the diameter of the lower round hole is larger than the outer diameter of the straight cylinder (101) and smaller than the outer diameter of the second end of the second flanging (102.2).
7. The rear subframe of claim 6 further comprising:
a first welding seam (301) arranged between the upper round hole and the outer wall of the straight cylinder (101);
a second weld (302) arranged between the lower plane (202) and the end of the second flange (102.2).
8. The rear sub frame according to claim 7, wherein the first weld (301) is distributed along the circumference of the straight cylinder (101) and is located at the outer edge of the upper circular hole;
the second welding seam (302) is distributed along the circumferential direction of the end part of the second end of the second flanging (102.2) and is positioned outside the end part of the second end of the second flanging (102.2).
9. The rear subframe of claim 8 wherein the second flange (102.2) is of interrupted construction in the circumferential direction;
the second weld (302) is a broken structure in the circumferential direction.
10. An automobile, comprising: a rear subframe, wherein said rear subframe is according to any one of claims 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022547163.5U CN213442777U (en) | 2020-11-06 | 2020-11-06 | Automobile and rear auxiliary frame and bushing sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022547163.5U CN213442777U (en) | 2020-11-06 | 2020-11-06 | Automobile and rear auxiliary frame and bushing sleeve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213442777U true CN213442777U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022547163.5U Active CN213442777U (en) | 2020-11-06 | 2020-11-06 | Automobile and rear auxiliary frame and bushing sleeve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213442777U (en) |
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2020
- 2020-11-06 CN CN202022547163.5U patent/CN213442777U/en active Active
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