CN210760967U - Knuckle and lower swing arm connection structure, connection external member, automotive suspension and car - Google Patents
Knuckle and lower swing arm connection structure, connection external member, automotive suspension and car Download PDFInfo
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- CN210760967U CN210760967U CN201921469786.6U CN201921469786U CN210760967U CN 210760967 U CN210760967 U CN 210760967U CN 201921469786 U CN201921469786 U CN 201921469786U CN 210760967 U CN210760967 U CN 210760967U
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Abstract
The utility model belongs to the technical field of automobile manufacturing, and relates to a knuckle and lower swing arm connecting structure, a connecting kit, an automobile suspension and an automobile, which comprises a knuckle ball socket, a lower swing arm ball pin rod and a lower swing arm ball socket, wherein the knuckle ball socket is detachably arranged on a knuckle body, and the lower swing arm ball socket is arranged on a lower swing arm body; the lower swing arm ball pin rod is detachably connected to the knuckle ball head seat, and the upper end of the lower swing arm ball pin rod is connected to the lower swing arm ball head seat; the ball seat of the steering joint is provided with a through reducing hole, and the reducing hole comprises a first cylindrical section and a first conical section which extends downwards from the lower end of the first cylindrical section and has a diameter which is gradually reduced; the lower swing arm ball pin rod comprises a reducing shaft, and the reducing shaft comprises a second cylindrical section and a second conical section which extends downwards from the lower end of the second cylindrical section and has the diameter gradually reduced; the reducing shaft is inserted into the reducing hole. The utility model discloses a knuckle and lower swing arm connection structure have improved the platformization of vehicle, save the cost.
Description
Technical Field
The utility model belongs to the technical field of the automobile manufacturing, especially, relate to a knuckle and lower swing arm connection structure, connection external member, automotive suspension and car.
Background
With the development of the automobile industry, in order to reduce the cost of the whole automobile, the platform is becoming a trend more and more. In a vehicle model developed in a platform mode, generally the same vehicle model generally corresponds to wheels with different configurations, so that the condition that the gap between a swing arm ball head and a rim meets the requirement when a large-size wheel is installed and the condition that the gap between the swing arm ball head and the rim does not meet the requirement when a small-size wheel is replaced is caused, and the platform degree is influenced to a certain degree.
When the existing automobile is used for replacing wheels with different sizes, in order to enable the lower swing arm ball head and the rim gap to meet the requirements, the lower swing arm or the steering knuckle needs to be replaced integrally, the operation is inconvenient, and the platform is not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the connecting structure comprises a steering knuckle and a lower swing arm, wherein the steering knuckle and the lower swing arm are connected through a connecting sleeve, and the connecting sleeve is connected with the lower swing arm.
In order to solve the technical problem, an embodiment of the present invention provides a connecting structure of a knuckle and a lower swing arm, including a knuckle headstock, a lower swing arm ball pin rod and a lower swing arm headstock, wherein the knuckle headstock is used for being detachably mounted on a knuckle body, and the lower swing arm headstock is used for being mounted on a lower swing arm body; the lower swing arm ball pin rod is detachably connected to the knuckle ball head seat, and the upper end of the lower swing arm ball pin rod is connected to the lower swing arm ball head seat; the ball seat of the steering joint is provided with a through reducing hole, and the reducing hole comprises a first cylindrical section and a first conical section which extends downwards from the lower end of the first cylindrical section and has a gradually reduced diameter;
the lower swing arm ball pin rod comprises a reducing shaft, and the reducing shaft comprises a second cylindrical section and a second conical section which extends downwards from the lower end of the second cylindrical section and is gradually reduced in diameter;
the reducing shaft is inserted into the reducing hole, the peripheral wall of the second cylindrical section is attached to the inner peripheral wall of the first cylindrical section, and the peripheral wall of the second conical section is attached to the inner peripheral wall of the first conical section.
Optionally, the lower swing arm ball pin rod further comprises a ball head connected with the ball head seat of the lower swing arm and a fixing portion connected with a retaining member, the ball head is connected to the upper end of the second cylindrical section, the fixing portion is connected to the lower end of the second conical section, and the retaining member is used for fixing the lower swing arm ball pin rod on the ball head seat of the knuckle.
Optionally, the lower swing arm ball pin rod is detachably connected with the lower swing arm ball cup.
Optionally, the knuckle headstock is provided with a mounting hole for a fastener to connect to the knuckle body.
Optionally, an empty-avoiding groove for avoiding the ball head is arranged on the ball head seat of the steering knuckle.
On the other hand, the utility model also provides a connect external member, include as above knuckle and lower swing arm connection structure, the knuckle bulb seat is equipped with multiple, various the knuckle bulb seat the height of reducing hole the diameter of first cylinder section with the diameter of the bottom of first conic section is the same respectively, first cylinder section with the height ratio of first conic section is different.
Optionally, the height of the reducer shaft is equal to the height of the reducer hole of each knuckle headstock; wherein the first cylindrical section and the second cylindrical section of the knuckle headstock where the first cylindrical section is highest are equal in height, and the first conical section and the second conical section are equal in height.
On the other hand, the utility model also provides an automobile suspension, including the lower swing arm body, the knuckle body and the knuckle and lower swing arm connection structure as above, the knuckle headstock is detachably mounted on the knuckle body, the lower swing arm headstock is arranged at the outer point of the lower swing arm body; the lower swing arm ball pin rod is detachably connected to the knuckle ball head seat, and the upper end of the lower swing arm ball pin rod is connected to the lower swing arm ball head seat.
Optionally, the lower swing arm ball seat is detachably mounted on the lower swing arm body.
On the other hand, the utility model also provides an automobile, including as above automobile suspension.
The embodiment of the utility model provides a knuckle and lower swing arm connection structure, connect the external member, automobile suspension and car, compared with the prior art, the knuckle bulb seat is for being used for the independent structure of detachably installation on the knuckle body, therefore can match corresponding knuckle bulb seat according to the size of the different wheels of same motorcycle type, because set up the reducing hole on the knuckle bulb seat, therefore the depth that the reducing shaft inserted the reducing hole also changes along with it when the knuckle bulb seat was changed, changed the cooperation height of first cylinder section and second cylinder section promptly, thereby guarantee under the unchangeable condition in hard spot position of swing arm down, the clearance of lower swing arm ball pin pole and wheel rim meets the requirements; the wheels of different sizes corresponding to the same vehicle type only need to be matched with the ball seats of the multiple steering knuckles, the ball seats of the various steering knuckles only need to be processed with the reducing holes separately, the lower swing arm ball pin rod and the lower swing arm ball seat can be universal, the platformization of the vehicle is improved, the cost is saved, the lower swing arm or the steering knuckle does not need to be replaced integrally, and the vehicle is convenient and fast.
Drawings
Fig. 1 is a schematic structural view of a connecting structure of a knuckle and a lower swing arm according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the ball cup of the knuckle of FIG. 1;
fig. 3 is a schematic structural view of the connection between the lower swing arm ball pin rod and the lower swing arm ball cup in fig. 1.
The reference numerals in the specification are as follows:
1. a knuckle headstock; 11. a variable diameter hole; 111. a first cylindrical section; 112. a first conical section; 12. mounting holes; 13. an empty avoiding groove;
2. a lower swing arm ball pin rod; 21. a variable diameter shaft; 211. a second cylindrical section; 212. a second cone section; 22. a ball head; 23. a fixed part; 24. a first necked down section;
3. the lower swing arm ball head seat.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-3, in the connecting structure of the steering knuckle and the lower swing arm provided in the embodiment of the present invention, the steering knuckle includes a steering knuckle body and a steering knuckle headstock 1, the lower swing arm includes a lower swing arm body, a lower swing arm headstock 3 and a lower swing arm ball pin rod 2, the connecting structure of the steering knuckle and the lower swing arm includes a steering knuckle headstock 1, a lower swing arm ball pin rod 2 and a lower swing arm headstock 3, the steering knuckle headstock 1 is used for being detachably mounted on the steering knuckle body (not shown), and the lower swing arm headstock 3 is used for being mounted on the lower swing arm body (not shown); the lower swing arm ball pin rod 2 is detachably connected to the knuckle ball socket 3, and the upper end of the lower swing arm ball pin rod 2 is connected to the lower swing arm ball socket 3; the knuckle headstock 1 is provided with a through reducing hole 11, and the reducing hole 11 comprises a first cylindrical section 111 and a first conical section 112 which extends downwards from the lower end of the first cylindrical section 111 and has a diameter which is gradually reduced;
the lower swing arm ball pin rod 2 comprises a reducing shaft 21, wherein the reducing shaft 21 comprises a second cylindrical section 211 and a second conical section 212 which extends downwards from the lower end of the second cylindrical section 211 and gradually reduces the diameter;
the reducing shaft 21 is inserted into the reducing hole 11, the outer peripheral wall of the second cylindrical section 211 fits the inner peripheral wall of the first cylindrical section 111, and the outer peripheral wall of the second conical section 212 fits the inner peripheral wall of the first conical section 112. The utility model discloses a knuckle and lower swing arm connection structure are used for being connected lower swing arm body and knuckle body, during the use, install knuckle bulb socket 1 on the knuckle body, install lower swing arm bulb socket 3 on lower swing arm body to be connected lower swing arm bulb socket 3 and knuckle bulb socket 1 through lower swing arm ball pin pole 2.
The height of the reducing holes of the ball sockets of various steering knuckles is unchanged with the diameter of the first cylindrical section, the diameter of the bottom of the first conical section is unchanged, the height ratio of the first cylindrical section to the first conical section is different, and one type of ball socket of the steering knuckle is selected to be assembled with the ball pin rod of the lower swing arm according to wheels of the same vehicle type in different sizes during use.
The embodiment of the utility model provides a knuckle and lower swing arm connection structure, compared with the prior art, knuckle bulb holder 1 is for being used for the independent structure of detachably installation on the knuckle body, therefore can match corresponding knuckle bulb holder 1 according to the size of the different wheels of same motorcycle type, because set up reducing hole 11 on knuckle bulb holder 1, therefore the depth that reducing shaft 21 inserted reducing hole 11 also changes along with it when knuckle bulb holder 1 was changed, changed the cooperation height of first cylinder section 111 and second cylinder section 211 promptly, thereby guarantee that the swing arm is under the unchangeable circumstances in hard spot position, the clearance of lower swing arm ball pin pole 2 and wheel rim meets the requirements; the wheels of different sizes corresponding to the same vehicle type only need to be matched with the ball sockets 1 of various steering knuckles, the ball sockets 1 of various steering knuckles only need to be processed with the diameter-variable holes 11, the lower swing arm ball pin rod 2 and the lower swing arm ball socket 3 can be universal, the platformization of the vehicle is improved, the cost is saved, the lower swing arm or the steering knuckle does not need to be replaced integrally, and the device is convenient and fast.
Preferably, for better assembly, the taper of the second conical section 212 is 1: 6.
in one embodiment, as shown in fig. 3, the lower swing arm ball pin rod 2 further comprises a ball head 22 for connecting with the lower swing arm ball seat 3 and a fixing portion 23 for connecting with the locking member, the ball head 22 is connected to the upper end of the second cylindrical section 211, and the fixing portion 23 is connected to the lower end of the second cylindrical section 212. Through setting up bulb 22, conveniently be connected lower swing arm ball pin pole 2 with lower swing arm bulb seat 3, the retaining member is connected in fixed part 23 to be fixed in lower swing arm ball pin pole 2 on knuckle bulb seat 1.
Specifically, the retaining member is a nut, the fixing portion 23 is provided with threads, and after the reducing shaft 21 is inserted into the reducing hole 11, the fixing portion 23 penetrates out of the reducing hole 11, and the nut is screwed on the fixing portion 23 and abuts against the knuckle headstock 1, so that the swing arm ball pin rod 2 is fixedly connected with the knuckle headstock 1.
In one embodiment, the lower swing arm ball pin rod 2 is detachably connected to the lower swing arm ball cup 3. The lower swing arm ball pin rod 2 is convenient to replace independently, maintenance efficiency is improved, and maintenance cost is reduced.
In one embodiment, as shown in fig. 2, the knuckle nose cup 1 is provided with a mounting hole 12 for a fastener to be connected to the knuckle body. Through setting up mounting hole 12, make things convenient for the dismouting of knuckle bulb seat 1 and knuckle body.
Specifically, the knuckle spindle socket 1 and the knuckle body may be connected by a bolt, which passes through the mounting hole 12 to connect the knuckle spindle socket 1 to the knuckle body.
In one embodiment, as shown in fig. 3, the ball head 22 and the second cylindrical section 211 are transited by the first necked-down section 24, so that dust covers can be conveniently mounted on the ball head 22 and the first necked-down section 24, and the mounted dust covers are not easy to fall off.
In one embodiment, as shown in fig. 2, the knuckle nose 1 is provided with a clearance groove 13 for a clearance ball 22. Through the arrangement of the clearance groove 13, when the lower swing arm ball pin rod 2 is connected with the knuckle ball seat 1, the ball head 22 cannot interfere with the knuckle ball seat 1, and meanwhile, a dust cover can be accommodated.
On the other hand, the utility model provides a connect external member, include knuckle and lower swing arm connection structure as above, knuckle bulb seat 1 is equipped with the multiple, the height of the reducing hole 11 of various knuckle bulb seats 1, the diameter of first cylinder section 111 and the diameter of the bottom of first conic section 112 are the same respectively (the height of the reducing hole 11 of various knuckle bulb seats 1 is the same promptly, the diameter of first cylinder section 111 is the same, the diameter of the bottom of first conic section 112 is the same), the height ratio of first cylinder section 111 and first conic section 112 is different. So that according to the not unidimensional wheel of same motorcycle type select a knuckle bulb headstock 1 and lower swing arm ball pin rod 2 assembly, need not wholly change swing arm or knuckle down, only need select suitable knuckle bulb headstock 1 and original lower swing arm ball pin rod 2 to assemble, can make the clearance of lower swing arm ball pin rod 2 and wheel rim meet the demands, convenient and fast has improved the platformization of vehicle, saves the cost.
In one embodiment, as shown in fig. 1 to 3, the height of the reducer shaft 21 is equal to the height of the reducer hole 11 of each knuckle mount 1; the heights of the first cylindrical section 111 and the second cylindrical section 211 of the knuckle ball socket 1 with the highest first cylindrical section 111 (the knuckle ball socket 1 matches with the wheel with the largest size in multiple wheels of the same vehicle type configuration), and the heights of the first conical section 112 and the second conical section 212 are equal. Before the wheel and the knuckle headstock 1 are not replaced, the outer peripheral wall of the second cylindrical section 211 is just attached to the inner peripheral wall of the first cylindrical section 111 in a whole section, the outer peripheral wall of the second cylindrical section 212 is just attached to the inner peripheral wall of the first conical section 112 in a whole section, and the reducer shaft 21 is completely inserted into the reducer hole 11 and is stably matched.
After the wheel is replaced, the gap between the lower end of the lower swing arm ball pin rod 2 and the wheel rim is not in accordance with the requirement, for example, after the wheel is replaced, the gap between the lower end of the lower swing arm ball pin rod 2 and the wheel rim is reduced and is not in accordance with the requirement, the knuckle ball seat 1 needs to be replaced, the height of the first cylindrical section 111 of the replaced knuckle ball seat 1 is lower than that of the original first cylindrical section 111, so that the upper end of the second cylindrical section 211 of the reducing shaft 21 inserted into the reducing hole 11 protrudes out of the reducing hole 11, the lower swing arm ball pin rod 2 moves up integrally, and the gap between the lower end of the lower swing arm ball pin rod 2 and the wheel rim of the wheel is increased to meet the requirement.
On the other hand, the utility model also provides an automotive suspension, including lower swing arm body, knuckle body and knuckle as above and lower swing arm connection structure, 1 detachably of knuckle bulb seat installs on the knuckle body, and lower swing arm bulb seat 3 locates the exterior point of lower swing arm body, and lower swing arm ball pin rod 2 detachably connects in knuckle bulb seat 1, and the upper end is connected in lower swing arm bulb seat 3.
In one embodiment, the lower swing arm socket 3 is detachably mounted on the lower swing arm body. The replacement of the lower swing arm ball seat 3 is convenient, the maintenance efficiency is improved, and the maintenance cost is reduced.
Specifically, the lower swing arm ball cup 3 is connected to the lower swing arm body by a bolt.
On the other hand, the utility model also provides an automobile, including as above automobile suspension.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A connecting structure of a steering knuckle and a lower swing arm comprises a steering knuckle ball head seat, a lower swing arm ball pin rod and a lower swing arm ball head seat, wherein the steering knuckle ball head seat is detachably arranged on a steering knuckle body, and the lower swing arm ball head seat is arranged on a lower swing arm body; the lower swing arm ball pin rod is detachably connected to the knuckle ball head seat, and the upper end of the lower swing arm ball pin rod is connected to the lower swing arm ball head seat; the steering knuckle ball seat is characterized in that a through reducing hole is formed in the steering knuckle ball seat, and the reducing hole comprises a first cylindrical section and a first conical section which extends downwards from the lower end of the first cylindrical section and gradually reduces in diameter;
the lower swing arm ball pin rod comprises a reducing shaft, and the reducing shaft comprises a second cylindrical section and a second conical section which extends downwards from the lower end of the second cylindrical section and is gradually reduced in diameter;
the reducing shaft is inserted into the reducing hole, the peripheral wall of the second cylindrical section is attached to the inner peripheral wall of the first cylindrical section, and the peripheral wall of the second conical section is attached to the inner peripheral wall of the first conical section.
2. The knuckle and lower rocker arm connection structure according to claim 1, wherein the lower rocker arm ball pin further comprises a ball head for connecting with the lower rocker arm ball seat and a fixing portion for connecting with a retaining member, the ball head is connected to the upper end of the second cylindrical section, the fixing portion is connected to the lower end of the second cylindrical section, and the retaining member is used for fixing the lower rocker arm ball pin on the knuckle ball seat.
3. The knuckle and lower rocker arm connection according to claim 1, wherein the lower rocker arm ball stud is removably attached to the lower rocker arm ball cup.
4. The knuckle and lower rocker arm connection structure of claim 1, wherein the knuckle headstock has a mounting hole for a fastener to attach to the knuckle body.
5. The knuckle and lower rocker arm connection structure of claim 2, wherein a clearance groove for clearance of the ball head is provided on the knuckle headstock.
6. A joint kit comprising the knuckle-to-lower-rocker joint structure according to any one of claims 1 to 5, wherein the knuckle mount is provided in a plurality of types, the height of the reducer hole of each of the knuckle mounts, the diameter of the first cylindrical section, and the diameter of the bottom of the first tapered section are respectively the same, and the height ratio of the first cylindrical section to the first tapered section is different.
7. The connection kit according to claim 6, wherein a height of the reducer shaft is equal to a height of the reducer hole of each knuckle mount; wherein the first cylindrical section and the second cylindrical section of the knuckle headstock where the first cylindrical section is highest are equal in height, and the first conical section and the second conical section are equal in height.
8. An automobile suspension, which comprises a lower swing arm body and a steering knuckle body, and is characterized by further comprising a steering knuckle and lower swing arm connecting structure as claimed in any one of claims 1-5, wherein a ball socket of the steering knuckle is detachably mounted on the steering knuckle body, and the ball socket of the lower swing arm is arranged at an outer point of the lower swing arm body; the lower swing arm ball pin rod is detachably connected to the knuckle ball head seat, and the upper end of the lower swing arm ball pin rod is connected to the lower swing arm ball head seat.
9. The vehicle suspension of claim 8, wherein the lower swing arm ball mount is removably mounted to the lower swing arm body.
10. A vehicle comprising a vehicle suspension according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469786.6U CN210760967U (en) | 2019-09-03 | 2019-09-03 | Knuckle and lower swing arm connection structure, connection external member, automotive suspension and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469786.6U CN210760967U (en) | 2019-09-03 | 2019-09-03 | Knuckle and lower swing arm connection structure, connection external member, automotive suspension and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210760967U true CN210760967U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921469786.6U Active CN210760967U (en) | 2019-09-03 | 2019-09-03 | Knuckle and lower swing arm connection structure, connection external member, automotive suspension and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210760967U (en) |
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2019
- 2019-09-03 CN CN201921469786.6U patent/CN210760967U/en active Active
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