CN205661524U - Drag link assembly and ball pivot thereof - Google Patents
Drag link assembly and ball pivot thereof Download PDFInfo
- Publication number
- CN205661524U CN205661524U CN201620547639.6U CN201620547639U CN205661524U CN 205661524 U CN205661524 U CN 205661524U CN 201620547639 U CN201620547639 U CN 201620547639U CN 205661524 U CN205661524 U CN 205661524U
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- ball
- ball pin
- bulb
- face
- pivot
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Abstract
The utility model discloses a ball pivot, including ball round pin, ball key seat and a ball guide that has the bulb, the ball guide is equipped with an opening at least, this open -ended inboard of qieyu is equipped with the slip face of keeping out of laminating mutually with the bulb sphere, be provided with the ball key seat between the bottom of opposite side and the ball guide of the bulb relative slip face of keeping out, it orders about the ball key seat to bulb extruded elastic component to be equipped with one between the bottom of ball key seat and ball guide, through spacing between slip face of keeping out and ball key seat with the bulb, and the ball key seat is kept out by the elastic component and is makeed its production no. 1 force the power near the bulb, reached when bulb and ball key seat, the timely effect of the volume of compensating for wearing and tearing when appearing wearing and tearing between the slip face of keeping out, avoid appearing the problem that the bulb becomes flexible in the ball guide.
Description
Technical field
This utility model relates to auto parts and components, more specifically, it relates to the tie rod assembly in automobile suspension system
And ball pivot.
Background technology
Tie rod assembly is one of parts that in automobile steering system, knuckle is connected with steering gear, and tie rod assembly includes
Pull bar and the ball pivot being arranged on tie rod end.The reasonability of ball pivot therein design, the making factor such as precision, the strength of materials, meeting
The relatively straightforward degree of flexibility having influence on wheel steering and the degree of reliability.
The hinge of tie rod assembly is when design and production, and the clearance control for spherical hinge structure requires higher, and bulb cuts with scissors
If chain junction excesssive gap, bulb needs the impulsive force bearing wheel from road surface feedback of jolting when normal work, because of
This easy looseness that produces clashes into abnormal sound, and for traditional ball pivot design, is all ball pin set, the ball pin using physical dimension to fix
Seat and ball pin, in wherein the bulb of ball pin is arranged on the spherical hollow space of ball pin seat, in use, can be due to bulb and ball pin
The friction of seat makes to produce between the two space, ultimately results in ball pivot and in use occurs loosening.
Utility model content
According to above-mentioned shortcoming and defect, the purpose of this utility model one is to put forward one can automatically compensate bulb and ball pin
Wear and tear between Zuo the ball pivot in space.
Above-mentioned technical purpose one of the present utility model has the technical scheme that a kind of ball pivot, including
One with ball pin, ball pin seat and the ball pin set of bulb, and described ball pin set is at least provided with an opening, and sets in the inner side of this opening
Have the slip fitted with bulb sphere to keep out face, in bulb relatively slide the opposite side in the face of keeping out and ball pin set bottom between
It is provided with ball pin seat, between the bottom that ball pin seat and ball pin overlap, is provided with one orders about the elastic component that ball pin seat extrudes to bulb.
By such scheme, locating slip is kept out between face at ball pin seat and slip by the bulb of ball pin, the body of rod of ball pin
Keep out the opening in face with slip through ball pin seat, when the body of rod moves partially, bulb will occur at ball pin seat and face is kept out in slip
Rotational slip, and when bulb and ball pin seat and slip are kept out generation abrasion between face and produced gap, due to elastic component always
Press ball pin seat, now elastic component will order about ball pin seat by fricative clearance automatic compensation, thus ensure bulb with
Fitting tightly between face is kept out in ball pin seat and slip, prevents and loosens and cause the play of bulb, and in order to increase bulb
And slide keep out the wearability between face, can slide keep out the plated surface last layer polytetrafluoroethylene floor in face or quench one layer
Nitriding layer.
It is optimized for further: the middle part of described ball pin seat is formed with caveli.
By such scheme, by being provided with caveli at the middle part of ball pin seat, bulb is fricative with ball pin seat broken
Bits or iron filings can enter in this caveli, it is to avoid bulb and ball pin seat are produced by chip or iron filings interferes.
It is optimized for further: described ball pin set is both ends open, and another opening part in face of keeping out of relatively sliding is provided with
Capping, this capping is located at ball pin set and is relatively slided and keep out the circular fold of another opening part of face and press fixing, and described elasticity
Part is located between ball pin seat and capping.
By such scheme, ball pin is installed when, keep out the one end in face by overlapping the slip of non-band with the body of rod from ball pin
Penetrate and then make bulb be fitted in slip to keep out on face, then put ball pin seat in the bottom of bulb, then put in ball pin seat bottom portion
Upper elastic component, elastic component is extruded by capping again, and opening riveting ball pin overlapped finally by pressure-riveting process circularizes flanging by envelope
Lid is fixed, thus realizes the installation to ball pin, and will not keep out face and the destruction of ball pin seat to sliding in installation process.
It is optimized for further: be provided with dust cover between the body of rod of described ball pin and ball pin set, up and down the two of this dust cover
End is tightened on the body of rod and ball pin set by elastic spring coil respectively.
By such scheme, the setting of dust cover be prevented from the external world impurity enter in ball pin seat, reduce bulb with
Occur stuck between ball pin seat, improve the stability of pulling-out force.
It is optimized for further: the described body of rod is set to first conical surface and this first conical surface near bulb with the contact surface of dust cover
Side be big end.
By such scheme, by the setting of first conical surface, when by elastic spring coil by dust cover relative to one end of the body of rod
When being fixed on the body of rod, dust cover will form inclined-plane by elastic spring coil and first conical surface relative to one end of the body of rod and extrude, and compare
In the mode on the face of cylinder, more firm by the way of inclined-plane extruding is fixing, prevent between dust cover and the body of rod is relative
Slide, lift-off seal.
It is optimized for further: described dust cover is set to rubbing surface with the face of the body of rod the first taper-face contact.
By such scheme, the setting of rubbing surface, dust cover will be promoted relative to the frictional force between body of rod one end and the body of rod,
Further decrease the probability that relative slip occurs between dust cover with the body of rod, lift-off seal.
It is optimized for further: one end outer wall that the described body of rod is connected with bulb is set to second conical surface, and this second conical surface
Microcephaly is connected with bulb.
By such scheme, the junction of the body of rod Yu bulb is arranged to second conical surface of reduced diameter, reduces
Angle swinging interference degrees between the body of rod and ball pin set, when swinging ball pin when, by increasing capacitance it is possible to increase the pendulum angle of ball pin.
It is optimized for further: on second conical surface, be coated with cushion.
By such scheme, by the setting of cushion, during swinging ball pin, decrease the body of rod and the ball of ball pin
Rigid collision degree between key seat, improves the service life of ball pin seat and ball pin.
It is optimized for further: be equipped with recessed with the annular that elastic spring coil coordinates on the outer wall at described dust cover opening two ends
Fall into.
By such scheme, by the ring-shaped depression arranged on dust cover, it is possible to make elastic spring coil be trapped in annular
In depression, promote elastic spring coil stability in use on dust cover.
The purpose of this utility model two is to provide a kind of tie rod assembly that can at least solve above-mentioned technical problem.
Above-mentioned technical purpose two of the present utility model has the technical scheme that
A kind of tie rod assembly, including drag link, is connected with the ball described in any of the above-described item at least one end of drag link
Hinge.
By such scheme, using drag link when, produce between the bulb of ball pivot part and ball pin seat, ball pin set
Amount of friction can automatically be compensated, reach the effect that bulb can be fitted in ball pin seat and ball pin are overlapped all the time, thus reduce
The play problem occurring ball pivot to loosen and to produce, improves the stability in use of tie rod assembly.
In sum, by keeping out spacing for bulb between face and ball pin seat in slip, and ball pin seat is kept out by elastic component
Make it produce one and force the power near bulb, reach the energy when appearance abrasion between face is kept out in bulb and ball pin seat, slip
Enough effects compensating wear extent in time, it is to avoid the problem that bulb loosens in ball pin is overlapped occurs, and the middle part of ball pin seat is arranged
Be in depression chamber, is kept out the chip produced between face can be collected in this caveli by bulb and ball pin seat, slip, it is to avoid occur
The rotation of bulb is produced and interferes, improve bulb and ball pin seat further, slide the laminating degree keeping out between face, and combine
The dust cover being arranged between the body of rod and ball pin set can reduce introduced contaminants and enter into ball pin set inside, improves making of ball pivot
Use effect.
Accompanying drawing explanation
Fig. 1 is the sectional view of this utility model ball pivot；
Fig. 2 is this utility model tie rod assembly schematic diagram.
In figure, 1, drag link；2, ball pin set；21, circular fold；3, ball pin；31, bulb；32, first conical surface；33, second
The conical surface；4, elastic layer；5, dust cover；51, rubbing surface；6, elastic spring coil；7, capping；8, ball pin seat；81, caveli；9, elastic
Part.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Embodiment one, a kind of ball pivot, see accompanying drawing 1, be provided with inside the one end open of ball pin set 2 and coordinate with bulb 31
Slip keep out face, other end opening is provided with the capping 7 fixed by circular fold 21, and capping 7 and slip keep out face it
Between be disposed with elastic component 9, ball pin seat 8 and bulb 31 from the bottom up, compress ball pin seat 8 by elastic component 9 and bulb 31 limited
Position is kept out between face at ball pin seat 8 and slip；After the body of rod of ball pin 3 passes ball pin set 2, overlap 2 at first conical surface 32 and ball pin
Between be provided with dust cover 5, the two ends of dust cover 5 are tightened by elastic spring coil 6 respectively and are fixed on first conical surface 32 and ball pin set 2
On, thus realize dust cover 5 fixing on ball pivot；The body of rod is provided with the second of reduced diameter with the junction of bulb 31
The conical surface 33, and it is provided with elastic layer 4 on second conical surface 33, in order to increase the deflection angle of ball pin 3, ball pin set 2 is passed bar
The one end open of body is arranged to flaring enlarging.
Assemble this ball pivot when, by ball pin 3 with the body of rod one end from ball pin set 2 non-bands slide keep out the one of face
End penetrates and then enters in ball pin set 2 together with bulb 31, when bulb 31 is resisted against after slip is kept out on face again at bulb
The bottom of 31 arranges ball pin seat 8, and then the lower section at ball pin seat 8 arranges elastic component 9, is extruded elastic component 9 by capping 7 and is made
The edge of capping 7 enters in ball pin set 2, then passes through pressure-riveting process and the non-band slip of ball pin set 2 is kept out the port riveting in face
Circularize flanging 21 capping 7 to be fixed, thus realize bulb 31 and keep out fixing between face at ball pin seat 8 and slip；Then
Dust cover 5 is installed, is inserted in dust cover 5 from the rod end of ball pin 3 and the one end open of dust cover 5 is enclosed within ball pin set 2,
The other end is enclosed within first conical surface 32 with one end of rubbing surface 51, then by elastic spring coil 6, is contracted in the two ends of dust cover 5
Fasten.
In use, when bulb 31 and ball pin seat 8 and slip are kept out and are produced frictional dissipation between face, elastic component 9
Can promote ball pin seat 8 that ball pin seat 8 is persistently fitted with bulb 31 timely, it is therefore prevented that occur bulb 31 and ball pin seat 8 and
The bulb 31 play problem that slip is kept out the gap occurred between face and produced, improves the stability in use of ball pivot.
Embodiment two, a kind of ball pivot, see accompanying drawing 1, on the basis of embodiment one, the middle part of ball pin seat 8 is arranged to
One caveli 81, thus kept out the chip produced between face can be collected in this caveli by bulb 31 and ball pin seat 8, slip
In 81, it is to avoid occur the rotation of bulb 31 is produced interfering, improve further bulb 31 and ball pin seat 8, slide face of keeping out it
Between laminating degree, improve the stability in use of ball pivot.
Embodiment three, a kind of tie rod assembly, see accompanying drawing 2, be provided with in embodiment one or two in one end of drag link 1
Ball pivot.
Claims (10)
1. a ball pivot, including one with ball pin (3), ball pin seat (8) and the ball pin set (2) of bulb (31), it is characterised in that institute
State ball pin set (2) at least provided with an opening, and be provided with the slip fitted with bulb (31) sphere in the inner side of this opening and support
Block face, relatively sliding to keep out in bulb (31) is provided with ball pin seat (8) between the opposite side in face and the bottom of ball pin set (2), in
It is provided with one between the bottom of ball pin seat (8) and ball pin set (2) and orders about the elastic component (9) that ball pin seat (8) extrudes to bulb (31).
A kind of ball pivot the most according to claim 1, it is characterised in that the middle part of described ball pin seat (8) is formed with caveli
(81)。
A kind of ball pivot the most according to claim 2, it is characterised in that described ball pin set (2) is both ends open, and the most sliding
Dynamic another opening part keeping out face is provided with capping (7), this capping (7) be located at ball pin set (2) slip relatively keep out face another
The circular fold (21) of opening part presses fixing, and described elastic component (9) is located between ball pin seat (8) and capping (7).
A kind of ball pivot the most according to claim 1, it is characterised in that between the body of rod and the ball pin set (2) of described ball pin (3)
Being provided with dust cover (5), the two ends up and down of this dust cover (5) are tightened at the body of rod and ball pin set (2) by elastic spring coil (6) respectively
On.
A kind of ball pivot the most according to claim 4, it is characterised in that the described body of rod is set to the contact surface of dust cover (5)
First conical surface (32) and this first conical surface (32) are big end near the side of bulb (31).
A kind of ball pivot the most according to claim 5, it is characterised in that described dust cover (5) and the body of rod first conical surface (32)
The face of contact is set to rubbing surface (51).
A kind of ball pivot the most according to claim 4, it is characterised in that one end outer wall that the described body of rod is connected with bulb (31)
It is set to second conical surface (33), and the microcephaly of this second conical surface (33) is connected with bulb (31).
A kind of ball pivot the most according to claim 7, it is characterised in that be coated with cushion on second conical surface (33).
A kind of ball pivot the most according to claim 8, it is characterised in that on the outer wall at described dust cover (5) opening two ends all
It is provided with the ring-shaped depression coordinated with elastic spring coil (6).
10. a tie rod assembly, including drag link (1), it is characterised in that at least one end of drag link (1) affixed just like
Ball pivot described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547639.6U CN205661524U (en) | 2016-06-07 | 2016-06-07 | Drag link assembly and ball pivot thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547639.6U CN205661524U (en) | 2016-06-07 | 2016-06-07 | Drag link assembly and ball pivot thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205661524U true CN205661524U (en) | 2016-10-26 |
Family
ID=57155717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620547639.6U Active CN205661524U (en) | 2016-06-07 | 2016-06-07 | Drag link assembly and ball pivot thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205661524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468709A (en) * | 2018-05-07 | 2018-08-31 | 安徽迪尔荣机械有限公司 | A kind of automobile steering ball with long service life |
| CN110203282A (en) * | 2019-06-16 | 2019-09-06 | 保定卓沐园林绿化工程有限公司 | A kind of Vehicular turn pull rod |
-
2016
- 2016-06-07 CN CN201620547639.6U patent/CN205661524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468709A (en) * | 2018-05-07 | 2018-08-31 | 安徽迪尔荣机械有限公司 | A kind of automobile steering ball with long service life |
| CN110203282A (en) * | 2019-06-16 | 2019-09-06 | 保定卓沐园林绿化工程有限公司 | A kind of Vehicular turn pull rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |