CN204398792U - A kind of bush of swing arm structure and a kind of automobile - Google Patents
A kind of bush of swing arm structure and a kind of automobile Download PDFInfo
- Publication number
- CN204398792U CN204398792U CN201520053637.7U CN201520053637U CN204398792U CN 204398792 U CN204398792 U CN 204398792U CN 201520053637 U CN201520053637 U CN 201520053637U CN 204398792 U CN204398792 U CN 204398792U
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- CN
- China
- Prior art keywords
- plastic bushing
- swing arm
- bush
- inner core
- arm structure
- 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 - Fee Related
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Abstract
The utility model provides a kind of bush of swing arm structure, it the first plastic bushing comprising metal outer cylinder, metal inner core, rubber coating between described metal outer cylinder and described metal inner core and coaxially arrange with described metal inner core, described metal outer cylinder, described metal inner core and described rubber coating sulfuration are integral type structure; Be free-running fit between the outside face of described first plastic bushing and the inside face of described metal inner core; The outside face of described first plastic bushing is provided with the groove for storing grease, the bearing of trend of described groove is identical with the bearing of trend of described first plastic bushing.The bush of swing arm structure that the utility model provides, when swing arm rotates around the axis of bush of swing arm, will rotate between metal inner core and the first plastic bushing, and do not need rubber coating to twist distortion, make rubber coating not fragile, thus extend the service life of bush of swing arm, improve the ride comfort of running car.The utility model additionally provides a kind of automobile.
Description
Technical field
The utility model relates to automobile suspension system technical field, is specifically related to a kind of bush of swing arm structure and a kind of automobile.
Background technology
The bush of swing arm of automotive suspension is linked together at the swing arm of suspension and vehicle body (or vehicle frame, subframe), when suspension is subject to impacting, plays buffer action.Meanwhile, bush of swing arm is guiding and the force transfer element of automobile suspension system, and the various power on wheel can be passed to vehicle body to ensure that wheel moves by certain track by it.
As shown in Figure 1, be the schematic diagram of existing bush of swing arm.Existing bush of swing arm generally comprises metal inner core 13, metal outer cylinder 11 and rubber coating between the two 12, and three forms integral structure by sulfuration.During installation, metal inner core 13 is fixed on vehicle body by interference fit, and metal outer cylinder 11 is fixed in swing arm by interference fit.When suspension is subject to impacting, axis around bush of swing arm rotates by swing arm, now only has the motion that could be met swing arm by the torsional deflection of rubber coating 12, thus cause rubber coating 12 inside to produce larger shearing force, rubber coating 12 is easily damaged, and then make the service life of bush of swing arm shorter, also make ride of vehicle poor simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of bush of swing arm structure, to solve the problem that bush of swing arm in prior art service life is shorter, ride of vehicle are poor.Another object of the present utility model is to provide a kind of automobile.
For achieving the above object, the utility model provides following technical scheme:
A kind of suspension swing arm structure, it comprises metal outer cylinder, metal inner core and the rubber coating between described metal outer cylinder and described metal inner core, described metal outer cylinder, described metal inner core and described rubber coating sulfuration are integral type structure, it also comprises the first plastic bushing coaxially arranged with described metal inner core, is free-running fit between the outside face of described first plastic bushing and the inside face of described metal inner core; The outside face of described first plastic bushing is provided with the groove for storing grease, the bearing of trend of described groove is identical with the bearing of trend of described first plastic bushing.
Preferably, the second plastic bushing is provided with between described metal inner core and described first plastic bushing, the outside face of described second plastic bushing and the inside face interference fit of described metal inner core, the inside face of described second plastic bushing and the outside face free-running fit of described first plastic bushing.
Preferably, described second plastic bushing comprises the left plastic bushing and right plastic bushing that are arranged on described first plastic bushing two ends respectively; The left end of described left plastic bushing and the right-hand member of described right plastic bushing are provided with outside flange.
Preferably, the right-hand member of described rubber coating is provided with the seal groove of annular, and the right-hand member of described first plastic bushing has sealing, described sealing is provided with the seal convexity matched with described seal groove.
Preferably, the left end of described rubber coating is provided with described seal groove, and end and the packing seal of described seal groove place sidewall fit.
Preferably, described sealing is provided with the holding tank communicated with described groove.
Preferably, the number of described groove is multiple, and multiple described groove is evenly distributed in the circumference of described first plastic bushing.
A kind of automobile, it comprises bush of swing arm structure, and described bush of swing arm structure is the bush of swing arm structure described in above-mentioned any one.
The beneficial effects of the utility model are:
The bush of swing arm structure that the utility model provides, when swing arm rotates around the axis of bush of swing arm, due to the inside face of metal inner core and the outside face free-running fit of the first plastic bushing, now will rotate between the two, to meet the rotary motion of swing arm, and do not need rubber coating to twist distortion, make rubber coating not fragile, thus effectively extend the service life of bush of swing arm.Meanwhile, can ensure to lubricate between metal inner core and the first plastic bushing well by the grease in groove, thus effectively reduce wearing and tearing between the two, extend the service life of bush of swing arm further.Because the resistance of motion of now swing arm is less, thus effectively improve the ride comfort of running car.
The automobile that the utility model provides, comprises above-mentioned bush of swing arm structure, and because above-mentioned bush of swing arm structure has above-mentioned beneficial effect, the automobile comprising above-mentioned bush of swing arm structure also should have corresponding beneficial effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing bush of swing arm.
The schematic diagram of the bush of swing arm structure that Fig. 2 provides for the utility model embodiment.
The bush of swing arm structure that Fig. 3 provides for the utility model embodiment and the schematic diagram of arm shaft when installing condition.
Fig. 4 be in Fig. 3 A-A to cutaway view.
Fig. 5 is the enlarged drawing at B place in Fig. 4.
Fig. 6 is the enlarged drawing at C place in Fig. 5.
The schematic diagram of the first plastic bushing that Fig. 7 provides for the utility model embodiment.
Mark in accompanying drawing:
11, metal outer cylinder 12, rubber coating 13, metal inner core 21, metal outer cylinder
22, rubber coating 23, metal inner core 24, first plastic bushing 241, groove
242, holding tank 25, left plastic bushing 26, right plastic bushing
28, sealing 31, packing seal 41, swing arm 51, arm shaft 61, nut
Detailed description of the invention
As shown in Figures 2 to 7, the bush of swing arm structure that the utility model embodiment provides, it comprises metal outer cylinder 21, metal inner core 23, rubber coating 22 between metal outer cylinder 21 and metal inner core 23 and first plastic bushing 24 that arrange coaxial with metal inner core 23.Wherein, metal outer cylinder 21, metal inner core 23 and rubber coating 22 sulfuration are integral type structure; Be free-running fit between the outside face of the first plastic bushing 24 and the inside face of metal inner core 23; The outside face of the first plastic bushing 24 is provided with the groove 241 for storing grease, the bearing of trend of groove 241 is identical with the bearing of trend of the first plastic bushing 24.
The bush of swing arm structure that the utility model embodiment provides, when swing arm 41 rotates around the axis of bush of swing arm, due to the inside face of metal inner core 23 and the outside face free-running fit of the first plastic bushing 24, now will rotate between the two, to meet the rotary motion of swing arm 41, and do not need rubber coating 22 to twist distortion, make rubber coating 22 not fragile, thus effectively extend the service life of bush of swing arm.Meanwhile, can ensure to lubricate between metal inner core 23 and the first plastic bushing 24 well by the grease in groove 241, thus effectively reduce wearing and tearing between the two, extend the service life of bush of swing arm further.Because the resistance of motion of now swing arm 41 is less, thus make ride of vehicle better, also improve the traveling comfort of car load.By arranging the first plastic bushing 24 in metal inner core 23, have also increased dramatically radial rigidity and the axial stiffness of the bush of swing arm structure that the utility model embodiment provides, thus extending the service life of this bush of swing arm structure.
Further, the second plastic bushing is provided with between metal inner core 23 and the first plastic bushing 24, the outside face of the second plastic bushing and the inside face interference fit of metal inner core 23, the inside face of the second plastic bushing and the outside face free-running fit of the first plastic bushing 24, thus further increase radial rigidity and the axial stiffness of the bush of swing arm structure that the utility model embodiment provides, make vehicle in the masterpiece used time being subject to side direction and fore-and-aft direction, swing arm 41 relative position that vehicle body produces because of distortion at fore-and-aft direction and side direction relatively changes less, thus ensure that preferably swing arm 41 relatively vehicle body at the relative position of fore-and-aft direction and side direction.Simultaneously, first plastic bushing 24 and the second plastic bushing all can be made up of polyformaldehyde resin plastics (abbreviation POM plastic), this makes friction coefficient between the two less, thus make rotary resistance between the two less, more easily rotate between first plastic bushing 24 and the second plastic bushing, and then make the resistance of motion of swing arm 41 less, greatly increase the ride comfort of running car.In actual applications, the gap between the inside face of the second plastic bushing and the outside face of the first plastic bushing 24 can between three microns to eight microns.
In order to install easily, the second plastic bushing comprises the left plastic bushing 25 and right plastic bushing 26 that are arranged on the first plastic bushing 24 two ends respectively, and the left end of left plastic bushing 25 and the right-hand member of right plastic bushing 26 all can be provided with outside flange.When mounted, just easily left plastic bushing 25 and right plastic bushing 26 can be pressed in metal inner core 23 by hand-held flange, thus facilitate installation widely.Meanwhile, flange also has good position-limiting action, and namely when the end of flange and metal inner core 23 fits, operating personal can know clearly that left plastic bushing 25 and right plastic bushing 26 are in place.
Particularly, the right-hand member of rubber coating 22 is provided with the seal groove of annular, the right-hand member of the first plastic bushing 24 has sealing 28, sealing 28 is provided with the seal convexity matched with seal groove, thus can effectively prevent grease from flowing out from the right-hand member of the first plastic bushing 24, ensure that the lubrication in this bush of swing arm structure between each parts is good preferably.Be understandable that, the number of seal groove can be multiple, and multiple seal groove is uniformly distributed along the radial direction of rubber coating, thus makes the sealing effectiveness between rubber coating 22 and the first plastic bushing 24 better.
In order to effectively prevent grease from flowing out from the left end of the first plastic bushing 24, the left end of rubber coating 22 is provided with seal groove, and end and the packing seal 31 of seal groove place sidewall fit.When mounted, by fastening nut 61, packing seal 31 is compressed, can make to fit tightly between packing seal 31 and the end of sidewall to realize linear sealing, thus make the good seal between them, effectively prevent the outflow of grease, and then make the lubrication in this bush of swing arm structure between each parts good.The inner core of packing seal 31 can be metallic gasket, and the outer ring of packing seal 31 can be the injection molded annular ring with hermetically-sealed construction of plastics, to ensure to have sealing effectiveness preferably.
Particularly, sealing 28 can be provided with the holding tank 242 communicated with groove 241.When the grease in groove 241 is more, grease will be flowed in the holding tank 242 of sealing 28 on the first plastic bushing 24 by groove 241, and unnecessary grease can be stored in holding tank 242 easily; When the grease in groove 241 is less, the grease being arranged in holding tank 242 will automatically add to groove 241, thus ensure that the first plastic bushing 24 preferably and between left plastic bushing 25 and right plastic bushing 26 and left plastic bushing 25 and the lubrication all the time between right plastic bushing 26 and metal inner core 23 good, and then ensure that swing arm 41 can normal, round and smooth and low resistance ground motion.Be understandable that, the number of holding tank can be multiple, communicates between multiple holding tank, can carry out flowing and the storage of grease easily.
In order to make the first plastic bushing 24 and the second plastic bushing and the lubrication between the second plastic bushing and metal inner core 23 better, the number of groove 241 can be multiple, and multiple groove 241 is evenly distributed in the circumference of the first plastic bushing 24.Now, just effectively increase the number of the groove 241 for storing grease, make the outside face of the first plastic bushing 24 can store more grease, also make grease distribute in the circumference of the first plastic bushing 24 comparatively even, and then make the lubricant effect in this bush of swing arm structure between each parts better all the time.In actual applications, in order to reduce processing, and the outside face ensureing the first plastic bushing 24 can store more grease, the number of groove 241 can be four, as shown in Figure 7.Be understandable that, the shape formed when groove 241 extends on the outside face of the first plastic bushing 24 can be also S shape, and it has above-mentioned technique effect equally.
The general installation process of the bush of swing arm structure that the utility model embodiment provides is: coat grease by the outside face of the first plastic bushing 24, and fill grease by groove 241; Then right plastic bushing 26 is enclosed within the outside face of the first plastic bushing 24, and the sealing 28 of the flange of right plastic bushing 26 and the first plastic bushing 24 is fitted, be now namely in place; First plastic bushing 24 is inserted in metal inner core 23; Again the left end of left plastic bushing 25 from the first plastic bushing 24 is loaded between metal inner core 23 and the first plastic bushing 24, thus complete the installation of this bush of swing arm structure.General installation process between this bush of swing arm structure and swing arm 41 is: be pressed in the bush hole of swing arm 41 by this bush of swing arm structure, is now interference fit between the outside face of metal outer cylinder 21 and bush hole; Being inserted by arm shaft 51 in the first plastic bushing 24, is also now interference fit between arm shaft 51 and the inside face of the first plastic bushing 24 again; Load onto packing seal 31 and nut 61 at the left end of arm shaft 51 again, then fastening nut 61, namely complete the installation between bush of swing arm structure and swing arm 41 that the utility model embodiment provides.
The utility model embodiment still provides a kind of automobile, it comprises bush of swing arm structure, the bush of swing arm structure of this bush of swing arm structure described by above-mentioned arbitrary technical scheme, because above-mentioned bush of swing arm structure has above-mentioned technique effect, the automobile comprising above-mentioned bush of swing arm structure also should have corresponding technique effect.
The above is only preferred implementation of the present utility model, it is to be noted, these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model, and, after having read content of the present utility model, relevant technical staff in the field can make various change or amendment to the utility model, and these equivalent form of values fall into the application's appended claims limited range equally.
Claims (8)
1. a bush of swing arm structure, it comprises metal outer cylinder, metal inner core and the rubber coating between described metal outer cylinder and described metal inner core, described metal outer cylinder, described metal inner core and described rubber coating sulfuration are integral type structure, it is characterized in that, it also comprises the first plastic bushing coaxially arranged with described metal inner core, is free-running fit between the outside face of described first plastic bushing and the inside face of described metal inner core; The outside face of described first plastic bushing is provided with the groove for storing grease, the bearing of trend of described groove is identical with the bearing of trend of described first plastic bushing.
2. bush of swing arm structure according to claim 1, it is characterized in that, the second plastic bushing is provided with between described metal inner core and described first plastic bushing, the outside face of described second plastic bushing and the inside face interference fit of described metal inner core, the inside face of described second plastic bushing and the outside face free-running fit of described first plastic bushing.
3. bush of swing arm structure according to claim 2, is characterized in that, described second plastic bushing comprises the left plastic bushing and right plastic bushing that are arranged on described first plastic bushing two ends respectively; The left end of described left plastic bushing and the right-hand member of described right plastic bushing are provided with outside flange.
4. bush of swing arm structure according to claim 1, it is characterized in that, the right-hand member of described rubber coating is provided with the seal groove of annular, and the right-hand member of described first plastic bushing has sealing, described sealing is provided with the seal convexity matched with described seal groove.
5. bush of swing arm structure according to claim 4, is characterized in that, the left end of described rubber coating is provided with described seal groove, and end and the packing seal of described seal groove place sidewall fit.
6. bush of swing arm structure according to claim 4, is characterized in that, described sealing is provided with the holding tank communicated with described groove.
7. the bush of swing arm structure according to any one of claim 1 to 6, is characterized in that, the number of described groove is multiple, and multiple described groove is evenly distributed in the circumference of described first plastic bushing.
8. an automobile, it comprises bush of swing arm structure, it is characterized in that, described bush of swing arm structure is the bush of swing arm structure described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053637.7U CN204398792U (en) | 2015-01-26 | 2015-01-26 | A kind of bush of swing arm structure and a kind of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053637.7U CN204398792U (en) | 2015-01-26 | 2015-01-26 | A kind of bush of swing arm structure and a kind of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204398792U true CN204398792U (en) | 2015-06-17 |
Family
ID=53422683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520053637.7U Expired - Fee Related CN204398792U (en) | 2015-01-26 | 2015-01-26 | A kind of bush of swing arm structure and a kind of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204398792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527354A (en) * | 2015-01-26 | 2015-04-22 | 安徽江淮汽车股份有限公司 | Swing arm bushing structure and automobile |
| CN107676379A (en) * | 2017-10-17 | 2018-02-09 | 谢文欢 | Control arm bush |
-
2015
- 2015-01-26 CN CN201520053637.7U patent/CN204398792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527354A (en) * | 2015-01-26 | 2015-04-22 | 安徽江淮汽车股份有限公司 | Swing arm bushing structure and automobile |
| CN107676379A (en) * | 2017-10-17 | 2018-02-09 | 谢文欢 | Control arm bush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20190126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |