CN206537347U - Swing arm ball pin assembly and automobile steering system - Google Patents
Swing arm ball pin assembly and automobile steering system Download PDFInfo
- Publication number
- CN206537347U CN206537347U CN201720188276.6U CN201720188276U CN206537347U CN 206537347 U CN206537347 U CN 206537347U CN 201720188276 U CN201720188276 U CN 201720188276U CN 206537347 U CN206537347 U CN 206537347U
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- China
- Prior art keywords
- ball pin
- dirt
- swing arm
- proof boot
- ball
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Abstract
The utility model provides a kind of swing arm ball pin assembly and automobile steering system, the swing arm ball pin assembly includes the ball pin seat with swing arm connecting portion, ball pivot is in the ball pin in ball pin seat, knuckle fixed part is provided with ball pin, also include being sheathed in ball pin, and two ends are individually fixed in the dirt-proof boot in ball pin and ball pin seat, and be inserted in the side ports that dirt-proof boot connects with ball pin, and because it is dust-proof be placed in ball pin fix be clamped in rigid support portion between dirt-proof boot and ball pin, and the one end of rigid support portion outside dirt-proof boot is because of the extension along dirt-proof boot radial direction, and be installed on the port of dirt-proof boot.Swing arm ball pin assembly of the present utility model plugs rigid support portion by the side ports connected in dirt-proof boot with ball pin, can avoid because dirt-proof boot is directly contacted with knuckle, and the deficiency that existing dust-proof cover structure can be avoided to have.
Description
Technical field
The utility model is related to chassis suspension technical field, more particularly to a kind of swing arm ball pin assembly.The utility model is also
It is related to a kind of automobile steering system with the swing arm ball pin assembly.
Background technology
Existing swing arm ball pin assembly mainly includes ball pin seat, the bushing being fixedly arranged in ball pin seat, ball pivot and is connected to bushing
Interior ball pin and the dirt-proof boot being set between ball pin and ball pin seat.There are the following problems for this structure：1st, dirt-proof boot it is suitable for reading with
Knuckle contact wear, is easily caused dirt-proof boot seal failure suitable for reading；2nd, dirt-proof boot is suitable for reading need to fill lubricating oil, dust-proof to reduce
The set frictional force suitable for reading with knuckle, but oil filling amount is whard to control；3rd, dirt-proof boot lubricating oil suitable for reading easily infiltrates into ball
The contact site of pin and knuckle, can reduce ball pin and the frictional force of knuckle contact site, ball pin is sunk, and causes ball pin
With knuckle rigging position looseness, and then influence vehicle traffic safety；4th, dirt-proof boot is suitable for reading needs encasing metal skeleton, and makes it
Coordinate with bracing ring, to prevent dirt-proof boot from sinking, but telescopiny need to use metal sulfuration process, complex process.
Utility model content
In view of this, the utility model is directed to a kind of swing arm ball pin assembly, can avoid existing dust-proof cover structure institute
The deficiency having.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of swing arm ball pin assembly, including the ball pin seat with swing arm connecting portion, ball pivot in the ball pin in the ball pin seat,
Knuckle fixed part is provided with the ball pin, in addition to is sheathed in the ball pin and two ends are individually fixed in the ball pin
With the dirt-proof boot in the ball pin seat, and,
Rigid support portion, is inserted in the side ports that the dirt-proof boot connects with the ball pin, and because of the dirt-proof boot
Fixation in the ball pin, and be clamped between the dirt-proof boot and the ball pin, and the rigid support portion is positioned at described
One end outside dirt-proof boot is installed on the port of the dirt-proof boot because of the extension along the dirt-proof boot radial direction.
Further, in being supported by the elastic portion that is sheathed in the ball pin in the rigid support portion.
Further, the rigid support portion is integrated with the dirt-proof boot interference clamp.Further, the rigidity branch
Support part is the bracing ring being installed in the dirt-proof boot, and the elastic portion is rubber sheet gasket.
Further, the bracing ring is steel.
Further, the card for constituting and being connected between the dirt-proof boot and the ball pin is set with one end of the dirt-proof boot
Ring；The jump ring for constituting and being connected between the dirt-proof boot and the ball pin seat is set with the other end of the dirt-proof boot.
Further, the swing arm connecting portion includes setting and the connecting hole in the ball pin seat, and is arranged in described
The bolt pair with knurled nut in connecting hole.
Further, the knuckle fixed part includes the hexagon slotted nut being bolted in the ball pin, and wears
In in the ball pin and lock pin of the holding on the hexagon slotted nut.
Further, lubricating grease is filled between the ball pin seat and the ball pin, is filled with the dirt-proof boot
Lubricating grease.
Relative to prior art, the utility model has the advantage that：
(1) swing arm ball pin assembly described in the utility model, is plugged by the side ports connected in dirt-proof boot with ball pin
Rigid support portion, can be contacted by rigid support portion with ball pin and knuckle, and be avoided because dirt-proof boot is directly contacted with knuckle, institute
The dirt-proof boot port sealing Problem of Failure caused, meanwhile, by the setting in rigid support portion, it can also avoid adding in dirt-proof boot port
Note lubricating oil and metallic framework is set, and the deficiency that existing dust-proof cover structure can be avoided to have.
(2) elastic portion is set to avoid dirt-proof boot and the direct contact wear of knuckle and reduce the sealing effectiveness of dirt-proof boot.
(3) rigid support portion is integrated with dirt-proof boot interference clamp, can simplify assembly technology flow, improves production efficiency.
(4) elastic portion uses rubber sheet gasket, simple in construction, is easy to manufacture to install.
(5) bracing ring is steel, and bracing ring can be made to have preferable structural strength and rigidity.
(6) fastness connected between dirt-proof boot and ball pin and ball pin seat can be improved using snap ring and jump ring.
(7) swing arm connecting portion is made up of connecting hole and bolt pair, and its is simple in construction, is easy to design to implement.
(8) lubricating grease is conducive to improving rotation ride comfort of the ball pin in ball pin seat.
Another object of the present utility model is to propose a kind of automobile steering system, and it includes steering control mechanism, with institute
The steering gear of steering control mechanism drive connection is stated, and turn with swing arm and knuckle being connected with the steering gear
To transmission mechanism, the swing arm is connected by swing arm ball pin assembly as described above and the knuckle.
This automobile steering system had the advantage that with swing arm ball pin assembly relative to prior art it is identical, herein no longer
Repeat.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the swing arm ball pin assembly described in the utility model embodiment one；
Fig. 2 is the structural representation of the ball pin seat described in the utility model embodiment one；
Fig. 3 is dirt-proof boot described in the utility model embodiment one, the assembling structure schematic diagram of bracing ring and rubber sheet gasket；
Description of reference numerals：
1- ball pin seats, 101- connecting holes, 102- mounting holes, 2- ball pins, 3- bushings, 4- glands, 5- dirt-proof boots, 51- waves
Line, 6- snap rings, 7- bracing rings, 71- cylinders, 72- end plates, 8- rubber sheet gaskets, 9- hexagon slotted nuts, 10- lock pins, 11- jump rings,
12- knurled nuts.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
The utility model is related to a kind of swing arm ball pin assembly, and it includes the ball pin seat with swing arm connecting portion, and ball pivot is in ball
Ball pin on key seat, is provided with knuckle fixed part, in addition to be sheathed in ball pin and two ends are individually fixed in ball pin in ball pin
With the dirt-proof boot in ball pin seat, and it is inserted in the side ports that dirt-proof boot connects with ball pin and is placed on because dust-proof in ball pin
Fix and be clamped in the rigid support portion between dirt-proof boot and ball pin, and the rigid support portion be located at dirt-proof boot outside one end because
Along the extension of dirt-proof boot radial direction, and it is installed on the port of dirt-proof boot.
Swing arm ball pin assembly of the present utility model plugs rigid support by the side ports connected in dirt-proof boot with ball pin
Portion, can be contacted by rigid support portion with ball pin and knuckle, and be avoided because dirt-proof boot is directly contacted with knuckle, and caused is anti-
Dirt covers port sealing Problem of Failure, meanwhile, this swing arm ball pin assembly can be also avoided in dirt-proof boot by the setting in rigid support portion
Port fills lubricating oil and sets metallic framework, and the deficiency that existing dust-proof cover structure can be avoided to have.
Based on design as above thought, a kind of example arrangement of the swing arm ball pin assembly of the present embodiment as shown in fig. 1,
Its overall structure is similar with the structure of swing arm ball pin assembly of the prior art, and specifically, the ball pivot of ball pin 2 is in ball pin seat 1
And ball pin seat 1 is stretched in outside its one end, the bushing 3 being adapted with ball pin 2 is installed with one end of ball pin seat 1, and block the ball
The gland 4 of the port of key seat 1, dirt-proof boot 5 is sheathed in ball pin 2, and its one end and the clamping of ball pin seat 1, and the other end connects with ball pin 2
Connect.Rigid support portion in the present embodiment be located between dirt-proof boot 5 and ball pin 2 and with the support of the interference clamp of dirt-proof boot 5
Circle 7, elastic portion is then to be sheathed in ball pin 2 and install in the rubber sheet gasket 8 of the one end of bracing ring 7.To improve ball pin 2 in ball pin
Rotating effect in seat 1, is filled with lubricating grease between ball pin seat 1 and ball pin 2, lubricating grease is also filled with dirt-proof boot 5, with
The lubricant effect to ball pin 2 is improved, and the mildness of torque in ball pin 2 can be ensured.
As shown in Figure 2, its entirety assumes diamond in shape structure the structure of ball pin seat 1, and in one angle point, (i.e. adjacent both sides connect
Place) mounting hole 102 of insertion setting is formed with, for installing ball pin 2.Distinguish shape in its excess-three corner point of ball pin seat 1
Into there is connecting hole 101, the connecting hole 101 is with being arranged in knurled nut 12 therein and the nut with the bolt of knurled nut 12
Constitute swing arm connecting portion.Based under state shown in Fig. 1, in the groove that annular is formed with the inwall of the bottom of ball pin seat 1, with
For holding bushing 3 and gland 4.Relative to groove, in being formed with neck on the outer wall at the top of ball pin seat 1, to install dirt-proof boot
5.It should be noted that ball pin seat 1 is except for diamond structure, it is alternatively circular, square or other polygonized structures.
Shown in structure combination Fig. 1 of ball pin 2, it include the spheroid of afterbody of the ball pivot in ball pin seat 1, middle part round platform with
And the cylinder at top, and in being formed with external screw thread on the outer peripheral face of cylinder.The external screw thread is opened with the hexagonal being spirally connected thereon
Groove nut 9, and be arranged in ball pin 2 and lock pin 10 of the holding on hexagon slotted nut 9 constitutes knuckle and fixed
Portion, wherein, the concrete structure of lock pin 10 can refer to prior art.
As shown in fig. 1, the inside of bushing 3 is the hollow sphere being adapted with ball pin 2, and its outside is and ball pin seat 1
The cylinder of inwall interference fit, radially overhanging flanging is also formed with the bottom of cylinder, can be placed in ball pin
Realize bushing 3 in the fixation in ball pin seat 1 in the groove of seat 1.And it is in cylindrical structure that gland 4 is overall, and to one in the middle part of it
Side evagination, and its edge then be used for groove clamp, to realize gland 4 in the fixation in ball pin seat 1.
As shown in Figure 3, the generally hollow cylinder of the dirt-proof boot 5 in the present embodiment, its open top is small, and bottom is opened
Mouth is big, and its bottom is via the neck snap fit on jump ring 11 and ball pin 2, to realize consolidating between dirt-proof boot 5 and ball pin seat 1
Even, and then by snap ring 6 and the clamp of ball pin 2 at the top of it, to realize being tightly connected between dirt-proof boot 5 and ball pin 2.Wherein, block
Spring 11 is specially the annular shape being surrounded by using linear steel wire, and snap ring 6 is then tool steel loop jaggy.In addition, for ease of branch
Interference clamp between support ring 7 and dirt-proof boot 5, the inwall in the top of dirt-proof boot 5 is provided with ripple glaze 51, certainly, except setting
Ripple glaze 51, may also set up internal thread.
The structure of bracing ring 7 is specially T-shaped cylinder, and it includes the cylinder 71 being inserted in dirt-proof boot 5, and and cylinder
71 end plates 72 for being connected and being abutted with the end face of dirt-proof boot 5.To improve the clamp fastness between bracing ring 7 and dirt-proof boot 5, edge
Close to the direction of end plate 72, cylinder 71 has the trend of undergauge.Further, bracing ring 7 is made up of steel material, to improve
The structural strength of bracing ring 7.Certainly, bracing ring 7 is except for steel, it can also be had higher-strength and the material of hardness by other
Matter is made.
Bushing 3 and gland 4 are placed in the groove of ball pin seat 1 by this swing arm ball pin assembly first in assembling, then will
Ball pin 2 is installed in the connecting hole 101 of ball pin seat 1, then is assembled to ball pin seat 1 after dirt-proof boot 5 and bracing ring 7 are fixed as one
On, lubricating oil is filled in most backward dirt-proof boot 5 and bushing 3, and the suitable for reading and ball pin 2 of dirt-proof boot 5 is connected i.e. using snap ring 6
Can.
Embodiment two
The utility model is related to a kind of automobile steering system, and it includes steering control mechanism, is driven with steering control mechanism
The steering gear of connection, and the steering gear with swing arm and knuckle being connected with steering gear, wherein, swing arm is led to
The swing arm ball pin assembly as described in embodiment one is crossed to be connected with knuckle.
This automobile steering system, is connected by using the swing arm ball pin assembly as described in embodiment one and knuckle,
It can prevent dirt-proof boot 5 from occurring seal failure, meanwhile, it can also avoid the generation of ball pin 2 and knuckle assembling looseness problem, and can
Improve the security of vehicle.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of swing arm ball pin assembly, including the ball pin seat (1) with swing arm connecting portion, ball pivot is in the ball pin seat (1)
Ball pin (2), is provided with knuckle fixed part, in addition to be sheathed in the ball pin (2) and two ends difference in the ball pin (2)
The dirt-proof boot (5) being fixed in the ball pin (2) and the ball pin seat (1), it is characterised in that：
Rigid support portion, is inserted in the side ports that the dirt-proof boot (5) connects with the ball pin (2), and because described dust-proof
(5) are covered in the fixation in the ball pin (2), and are clamped between the dirt-proof boot (5) and the ball pin (2), and the rigidity
Support zone because of the extension along the dirt-proof boot (5) radial direction, and is installed in the dirt-proof boot in the outer one end of the dirt-proof boot (5)
(5) on port.
2. swing arm ball pin assembly according to claim 1, it is characterised in that：It is arranged in being supported by the rigid support portion
Elastic portion in the ball pin (2).
3. swing arm ball pin assembly according to claim 2, it is characterised in that：The rigid support portion and the dirt-proof boot
(5) interference clamp is integrated.
4. swing arm ball pin assembly according to claim 3, it is characterised in that：The rigid support portion is described anti-to be installed in
Bracing ring (7) in dirt set (5), the elastic portion is rubber sheet gasket (8).
5. swing arm ball pin assembly according to claim 4, it is characterised in that：The bracing ring (7) is steel.
6. swing arm ball pin assembly according to claim 1, it is characterised in that：It is set with one end of the dirt-proof boot (5)
Constitute the snap ring (6) being connected between the dirt-proof boot and the ball pin (2)；Composition is set with the other end of the dirt-proof boot (5)
The jump ring (11) being connected between the dirt-proof boot (5) and the ball pin seat (1).
7. swing arm ball pin assembly according to claim 1, it is characterised in that：The swing arm connecting portion is described including being arranged at
Connecting hole (101) in ball pin seat (1), and the bolt with knurled nut (12) being arranged in the connecting hole (101)
It is secondary.
8. swing arm ball pin assembly according to claim 1, it is characterised in that：The knuckle fixed part includes being bolted in institute
State the hexagon slotted nut (9) in ball pin (2), and be arranged in the ball pin (2) and holding is in the hexagon slotted nut
(9) lock pin (10) on.
9. swing arm ball pin assembly according to any one of claim 1 to 8, it is characterised in that：The ball pin seat (1) with
Lubricating grease is filled between the ball pin (2), lubricating grease is filled with the dirt-proof boot (5).
10. a kind of automobile steering system, including steering control mechanism, the steering gear being connected with the steering control mechanism,
And the steering gear with swing arm and knuckle being connected with the steering gear, it is characterised in that：The swing arm
It is connected by swing arm ball pin assembly as claimed in any one of claims 1-9 wherein and the knuckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188276.6U CN206537347U (en) | 2017-02-28 | 2017-02-28 | Swing arm ball pin assembly and automobile steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188276.6U CN206537347U (en) | 2017-02-28 | 2017-02-28 | Swing arm ball pin assembly and automobile steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206537347U true CN206537347U (en) | 2017-10-03 |
Family
ID=59946274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720188276.6U Active CN206537347U (en) | 2017-02-28 | 2017-02-28 | Swing arm ball pin assembly and automobile steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206537347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058286A (en) * | 2018-08-08 | 2018-12-21 | 蔚来汽车有限公司 | Control arm ball pin assembly and vehicle configured with the control arm ball pin assembly |
-
2017
- 2017-02-28 CN CN201720188276.6U patent/CN206537347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058286A (en) * | 2018-08-08 | 2018-12-21 | 蔚来汽车有限公司 | Control arm ball pin assembly and vehicle configured with the control arm ball pin assembly |
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