CN203697891U - Front swing arm of electric vehicle - Google Patents
Front swing arm of electric vehicle Download PDFInfo
- Publication number
- CN203697891U CN203697891U CN201420068387.XU CN201420068387U CN203697891U CN 203697891 U CN203697891 U CN 203697891U CN 201420068387 U CN201420068387 U CN 201420068387U CN 203697891 U CN203697891 U CN 203697891U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- ball pin
- arm body
- ball
- top link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003381 stabilizer Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Abstract
The utility model discloses a front swing arm of an electric vehicle and belongs to the technical field of electric vehicle manufacturing. The front swing arm of the electric vehicle comprises a swing arm body, wherein the swing arm body comprises an upper swing arm body (8) and a lower swing arm body (9), both the section of the upper swing arm body (8) and the section of the lower swing arm body (9) are in an n shape, and the concave portion of the n-shaped upper swing arm body (8) and the concave portion of the n-shaped lower swing arm body are welded together in a back-to-back mode; an outer pipe sleeve (11) is welded to one end of the swing arm body, a liner assembly (10) is pressed into the outer pipe sleeve (11), and the outer pipe sleeve (11) is connected with an auxiliary frame through a bolt; a ball pin base (4) is welded to the other end of the swing arm body and used for containing a swing arm ball pin assembly. Compared with the prior art, the front swing arm of the electric vehicle has the advantages that due to the fact that a front swing arm stamping piece and a ball pin are simple in structure, the weight of the front swing arm is greatly reduced, the forming technique and the on-line assembly process are simple, space occupied by the front swing arm when the front swing arm is arranged is greatly reduced, and the requirements for safety and smoothness of running of a low-speed electric car can be met.
Description
Technical field
The utility model belongs to battery-driven car manufacturing technology field, is specifically related to a kind of front swing arm of battery-driven car.
Background technology
Front swing arm is fixed on subframe, is used for installing front brake and stabilizer rod, ensures the safety and stability travelling.In existing low speed pure electric vehicle industry, vehicle chassis component is in most cases the chassis platform part of directly continuing to use traditional fuel oil vehicle.Traditional front swing arm adopts multiple blanked parts to be welded, complex structure, and weight is large, and mould development expense is higher, and its ball pin complex structure is installed cumbersomely, causes electronlmobil weight large, and course continuation mileage is low, and productive costs is high.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of electronlmobil front swing arm.
Battery-driven car front swing arm, comprise swing arm body, swing arm body comprises top link body (8) and lower swing arm body (9), the section form of top link body (8) and lower swing arm body (9) is all " several " font, and top link body (8) and lower swing arm body (9) are at the depression position of " several " font dos-à-dos weld together; Swing arm body one end welding outer tube sleeve (11), is pressed into bush assembly (10) in outer tube sleeve (11), be used for being connected with subframe by bolt; Swing arm body other end solder sphere key seat (4), ball pin seat (4) is for holding swing arm ball pin assembly, described swing arm ball pin assembly comprises ball pin (1), ball-head cover (3), bulb pad (5) and dust boot (2), wherein ball-head cover (3) is positioned between ball pin (1) and ball pin seat (4), dust boot (2) covers ball pin (1) and ball pin seat (4) outside, fix with clip and collar, swing arm ball pin assembly is used for being connected with front brake by bolt; In the middle of swing arm body, the position top link body (8) of close ball pin seat (4) and lower swing arm body (9) disconnect and offer stabilizer rod mounting hole, be used for installing automobile stabilizer bar, on described stabilizer rod mounting hole and below upper reinforcing plate (7) and lower reinforcing plate (6) are set respectively, upper reinforcing plate (7) and top link body (8) weld at " several " font opening part; Lower reinforcing plate (6) welds at " several " font opening part with lower swing arm body (9).
Described ball pin (1) comprises the ball part of bottom, and the ball part of ball pin (1) bottom is pressed in ball pin seat (4); The top of described ball pin (1) is provided with front brake groove (14) is installed, the centre distance that the ball part of described ball pin (1) bottom and front brake are installed groove (14) is 31.5 ± 0.2mm, has ensured and the coordinating of the front brake of design.
The ball part of described ball pin (1) bottom is to wait the ball of external diameter Φ 15mm.
The ball part center of described ball pin (1) bottom and bush assembly (10) centre distance are 288 ± 0.5mm, have ensured and the coordinating of front swing arm mounting bracket on subframe.
The stabilizer rod mounting hole center forming after the welding of top link body (8) and lower swing arm body (9) and the centre distance of bush assembly (10) are 206 ± 0.5mm, have ensured and the coordinating of stabilizer rod.
Top link body (8) and lower swing arm body (9) material adopt automobile high-strength plate, and material thickness is 2mm, and upper and lower brace panel (7,6) adopts carbon structural steels, and material thickness is 1.5mm.
The battery-driven car front swing arm that the utility model provides has been simplified the structure of ball pin, is convenient to processing and installs; Optimize front swing arm structure section, ensured, under the prerequisite of its structural strength, to reduce himself weight; Simplify the forming process of bush assembly, be convenient to processing and change.Compared with prior art, front swing arm blanked part and ball pin are simple in structure, and the weight of this front swing arm is significantly alleviated, and contour machining procedure and online entrucking are simple, arrange that the occupied space of front swing arm reduces greatly, and can meet safety and the ride comfort that low-speed electronic car travels.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of the utility model;
Fig. 2 is the utility model plan structure schematic diagram;
Fig. 3 is A-A section-drawing in Fig. 1;
Fig. 4 is B-B section-drawing in Fig. 1;
Fig. 5 is ball pin and front brake assembling schematic diagram.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3, Figure 4, battery-driven car front swing arm, comprise swing arm body, swing arm body comprises top link body 8 and lower swing arm body 9, the section form of top link body 8 and lower swing arm body 9 is all " several " font, and top link body 8 and lower swing arm body 9 are at the depression position of " several " font dos-à-dos weld together; Swing arm body one end welding outer tube sleeve 11, is pressed into bush assembly 10 in outer tube sleeve 11, be used for being connected with subframe by bolt; Swing arm body other end solder sphere key seat 4, ball pin seat 4 is for holding swing arm ball pin assembly, described swing arm ball pin assembly comprises ball pin 1, ball-head cover 3, bulb pad 5 and dust boot 2, wherein ball-head cover 3 is between ball pin 1 and ball pin seat 4, dust boot 2 covers ball pin 1 and ball pin seat 4 outsides, fix with clip and collar, swing arm ball pin assembly is used for being connected with front brake by bolt; Disconnect and offer stabilizer rod mounting hole near the position top link body 8 of ball pin seat 4 and lower swing arm body 9 in the middle of swing arm body, be used for installing automobile stabilizer bar, on described stabilizer rod mounting hole with below upper reinforcing plate 7 and lower reinforcing plate 6 are set respectively.
For improving the intensity of front swing arm, reduce weight and cost of development simultaneously, as shown in Figure 3, upper reinforcing plate 7 welds at " several " font opening part with top link body 8; Lower reinforcing plate 6 in the welding of " several " font opening part, makes its section be " mouth " font with lower swing arm body 9.As shown in Figure 4, top link body 8 and lower swing arm body 9 are at the depression position of " several " font dos-à-dos weld together, the Section Design of described top link body 8 and lower swing arm body 9 has improved the bending resistance torsional strength of front swing arm effectively, top link body 8 and lower swing arm body 9 materials adopt automobile high-strength plate, material thickness is 2mm, upper and lower brace panel 7,6 adopts carbon structural steels, and material thickness is 1.5mm.With respect to 5～7kg of traditional single front swing arm, this front swing arm only needs 2.2kg, and only need develop a kind of structure and just can meet the installation requirement of the left and right sides, has reduced weight and purchase cost simultaneously.
As shown in Figure 5, described ball pin 1 has been removed tapering and the threaded portion of traditional vehicle ball pin, the external diameter Φ 15mm such as is directly processed into, and the ball part of ball pin 1 bottom is pressed in ball pin seat 4; The top of described ball pin 1 is provided with front brake groove 14 is installed, and the centre distance that the ball part of described ball pin 1 bottom and front brake are installed groove 14 is 31.5 ± 0.2mm, has ensured and the coordinating of the front brake designing.When installation, directly ball pin 1 is penetrated in the uniform internal diameter hole of front brake steering swivel 12, use M10 bolt to screw in tapped bore 13, completed being connected of front swing arm and front brake.
Ball part center and bush assembly 10 centre distances of described ball pin 1 bottom are 288 ± 0.5mm, have ensured and the coordinating of front swing arm mounting bracket on subframe.
The stabilizer rod mounting hole centers that form after 9 welding of top link body 8 and lower swing arm body and the centre distance of bush assembly 10 are 206 ± 0.5mm, have ensured and the coordinating of stabilizer rod.
Top link body 8 and lower swing arm body 9 materials adopt automobile high-strength plate, and material thickness is 2mm, and upper and lower brace panel 7,6 adopts carbon structural steels, and material thickness is 1.5mm.
Traditional front swing arm bush assembly major part is the processing of having vulcanized assembly after front swing arm machines with bush assembly, and the sulfurizing mould needing is larger.The front swing arm bush assembly that optimization improves designs suitable size directly and front swing arm press-fits, and without the larger sulfurizing mould of exploitation, has simplified forming process.As shown in Figures 1 and 2, bush assembly 10 press-fits and coordinates with outer tube 11, the rubber coating in bush assembly 10 and inner sleeve sulfidization molding, and the sulfurizing mould needing is very little.
Claims (7)
1. battery-driven car front swing arm, comprise swing arm body, it is characterized in that, described swing arm body comprises top link body (8) and lower swing arm body (9), the section form of top link body (8) and lower swing arm body (9) is all " several " font, and top link body (8) and lower swing arm body (9) are at the depression position of " several " font dos-à-dos weld together; Swing arm body one end welding outer tube sleeve (11), is pressed into bush assembly (10) in outer tube sleeve (11); Described swing arm body other end solder sphere key seat (4), ball pin seat (4) is for holding swing arm ball pin assembly, described swing arm ball pin assembly comprises ball pin (1), ball-head cover (3), bulb pad (5) and dust boot (2), wherein ball-head cover (3) is positioned between ball pin (1) and ball pin seat (4), dust boot (2) covers ball pin (1) and ball pin seat (4) outside, fixes with clip and collar; In the middle of described swing arm body, the position top link body (8) of close ball pin seat (4) and lower swing arm body (9) disconnect and offer stabilizer rod mounting hole, be used for installing automobile stabilizer bar, on described stabilizer rod mounting hole and below upper reinforcing plate (7) and lower reinforcing plate (6) are set respectively, upper reinforcing plate (7) and top link body (8) weld at " several " font opening part; Lower reinforcing plate (6) welds at " several " font opening part with lower swing arm body (9).
2. battery-driven car front swing arm according to claim 1, is characterized in that, described ball pin (1) comprises the ball part of bottom, and the ball part of ball pin (1) bottom is pressed in ball pin seat (4); The top of described ball pin (1) is provided with front brake groove (14) is installed.
3. battery-driven car front swing arm according to claim 2, is characterized in that, the centre distance that the ball part of described ball pin (1) bottom and front brake are installed groove (14) is 31.5 ± 0.2mm.
4. battery-driven car front swing arm according to claim 2, is characterized in that, the ball part of described ball pin (1) bottom is to wait the ball of external diameter Φ 15mm.
5. battery-driven car front swing arm according to claim 2, is characterized in that, the ball part center of described ball pin (1) bottom and bush assembly (10) centre distance are 288 ± 0.5mm.
6. according to the battery-driven car front swing arm described in claim 1 or 2, it is characterized in that, the stabilizer rod mounting hole center forming after the welding of top link body (8) and lower swing arm body (9) and the centre distance of bush assembly (10) are 206 ± 0.5mm, have ensured and the coordinating of stabilizer rod.
7. according to claim 1 or described battery-driven car front swing arm, it is characterized in that, top link body (8) and lower swing arm body (9) material adopt automobile high-strength plate, and material thickness is 2mm, upper and lower brace panel (7,6) adopts carbon structural steels, and material thickness is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068387.XU CN203697891U (en) | 2014-02-17 | 2014-02-17 | Front swing arm of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068387.XU CN203697891U (en) | 2014-02-17 | 2014-02-17 | Front swing arm of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697891U true CN203697891U (en) | 2014-07-09 |
Family
ID=51048381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068387.XU Expired - Lifetime CN203697891U (en) | 2014-02-17 | 2014-02-17 | Front swing arm of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564173A (en) * | 2014-11-05 | 2016-05-11 | 福特全球技术公司 | Transverse control arm with ball joint in press-fit connection |
-
2014
- 2014-02-17 CN CN201420068387.XU patent/CN203697891U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564173A (en) * | 2014-11-05 | 2016-05-11 | 福特全球技术公司 | Transverse control arm with ball joint in press-fit connection |
| CN105564173B (en) * | 2014-11-05 | 2020-06-12 | 福特全球技术公司 | Cross link with press-fit ball joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |