CN206841107U - A kind of ball pivot assembly - Google Patents
A kind of ball pivot assembly Download PDFInfo
- Publication number
- CN206841107U CN206841107U CN201720789412.7U CN201720789412U CN206841107U CN 206841107 U CN206841107 U CN 206841107U CN 201720789412 U CN201720789412 U CN 201720789412U CN 206841107 U CN206841107 U CN 206841107U
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- ball
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- pivot assembly
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Abstract
The utility model provides a kind of ball pivot assembly, belongs to technical field of automobile accessories.It solves the problems such as existing ball pivot assembly lubricity is bad.This ball pivot assembly includes ball seat, ball stud, ball bowl and dust cover, mounting groove is offered in ball seat, ball bowl is located in mounting groove, ball seat is fixed with the bonnet below ball bowl, the ball head of ball stud is loaded in ball bowl, the bar portion of ball stud has one section of undergauge section, the small one end of undergauge section diameter is connected with ball head and both junctions have a circle fillet, ball bowl is supported on the lower half of ball head and the top surface of ball bowl is set less than the transverse center section of ball head, the inwall of ball bowl circumferentially uniformly offers lubrication groove, the bottom center of ball bowl offers oil-through hole, the upper end notch of lubrication groove is communicated on the top surface of ball bowl, the lower end notch of lubrication groove is communicated in oil-through hole.The utility model has the advantages that lubricity is good and ball stud pivot angle is big.
Description
Technical field
The utility model belongs to technical field of automobile accessories, is related to a kind of ball pivot assembly.
Background technology
Ball pivot assembly is one of part mostly important in suspension, it bear in vehicle traveling process load transmission and
Steering-effecting, the control stability, ride performance and security of vehicle are played a key effect.
In order to reduce abrasion, looseness inside ball pivot assembly is avoided, people have made improvement to ball pivot assembly, and some are also applied
Patent, for example, Chinese patent literature data disclose it is a kind of can oiling, lead to the automobile using suspension assembly [application number of oil：
201420010045.2；Authorization Notice No.：CN203713450U], it is provided with control arm main body, ball stud, and control arm main body is set
There is ball stud installation cavity, ball stud installation cavity passes through ball stud installation cavity, ball seat and ball stud built with ball seat, control arm main body
The connection of ball head movement, the ball head of ball stud is provided with oil groove, disc spring be housed below ball seat, is equipped with and seals below disc spring
Plate, oil nozzle is housed on shrouding, the one side that the bar portion of ball stud is exposed in control arm main body is provided with dust cover, and dust cover is provided with
Upper collar, lower collar, lower collar is by the neck tight seal of the lower mouth of dust cover and control arm main body, and upper collar is by dust cover
Suitable for reading knuckle and slotted nut to be housed with ball stud taper big end tight seal on ball stud taper, nut is slotted out dress
Have split pin, control arm body ends are equipped with shock-absorption rubber sleeve, and shock-absorption rubber sleeve is connected with vehicle frame, control arm main body, dust cover,
Lubricant grease is filled with the space that ball stud surrounds.
It is above-mentioned can oiling, lead in the automobile using suspension assembly of oil oil groove opened up by the ball head of ball stud, and
Lubricant grease is filled with the space that dust cover, ball stud surround so that lubricant grease can enter in oil groove, to ensure bulb
The lubricity on the ball head of pin, but the ball head that oil groove is opened in ball stud can destroy the round and smooth degree on surface, add
Fluting, deburring and polishing process, processing request and precision are high, add manufacturing cost, and the lubricity at oil groove is preferable in addition,
The lubricity on other surfaces on the ball head of ball stud is still not ideal enough.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, there is provided a kind of easily manufactured, profit
The ball pivot assembly that slip is good and ball stud pivot angle is big.
The purpose of this utility model can be realized by following technical proposal：A kind of ball pivot assembly, including ball seat, bulb
Pin, ball bowl and dust cover, mounting groove are offered in described ball seat, described ball bowl is located in mounting groove, and described ball seat is consolidated
The bonnet being connected with below ball bowl, the ball head of described ball stud are loaded in ball bowl, and the lower end of described dust cover passes through
Collar is fixed on ball seat, and the bar portion of described ball stud has one section of undergauge section, the small one end of described undergauge section diameter with
Ball head is connected and both junctions have a circle fillet, it is characterised in that described ball bowl is supported on the lower half of ball head
And the top surface of ball bowl is set less than the transverse center section of ball head, the inwall of described ball bowl circumferentially uniformly offers lubrication
Groove, the bottom center of described ball bowl offer oil-through hole, and the upper end notch of described lubrication groove is communicated on the top surface of ball bowl,
The lower end notch of lubrication groove is communicated in oil-through hole.
Lubricant grease is filled between ball head and ball seat in this ball pivot assembly, lubricant grease is also full of in lubrication groove,
Lubricant grease during use at the lubrication groove of ball bowl ensure that the lubricity at ball head, and when ball bowl is oppressed by ball head
During load, certain deformation and reset can occur for ball bowl, can cause lubricant grease that certain flowing occurs in lubrication groove and overflows
Go out, lubricating oil is full of between ball bowl and ball head, and lubricity is good, and ball bowl disposal molding, easily manufactured, in addition ball bowl
The lower half of ball head is supported in, ball head will not be caused to swing and interfered, the pivot angle of ball stud is larger, can meet above and below wheel
The requirement of bounce, good operating stability.
In a kind of above-mentioned ball pivot assembly, offered in described ball bowl in round and be communicated in the company of each lubrication groove
Access slot.The setting of link slot is easy to lubricant grease to circulate so that the surface of ball head quickly forms lubricating oil lipid layer, enhances profit
Sliding effect.
It is outwardly in the middle part of described bonnet so that forming storage between bonnet and ball bowl in a kind of above-mentioned ball pivot assembly
Oil pocket.Lubricant grease is full of in shoe cream room, and when compressing load of the ball bowl by ball head, the lubricant grease in shoe cream room leads to
It is good into formation circulation, lubricity in lubrication groove to cross oil-through hole.
In a kind of above-mentioned ball pivot assembly, the bar portion of described ball stud has one section of conical section, and conical section diameter is big
One end be connected to the big one end of undergauge section diameter, the big one end of described conical section diameter is arranged with spacing collar, and described is anti-
The upper end of dust hood is fixed on the spacing collar for coating dust cover upper part by jump ring.So upper end positioning jail of dust cover
Though good airproof performance, the upper end of dust cover is not fallen off interferes ball stud to swing.
In a kind of above-mentioned ball pivot assembly, the quantity of described collar is two.The possibility that two collars fail simultaneously
It is small, it ensure that the firm position of dust cover lower end, good airproof performance.
In a kind of above-mentioned ball pivot assembly, described ball seat is connected with the guarantor for setting the bar portion cover of dust cover, ball stud
Sheath.Protective case plays a protective role to dust cover and bar portion, extends service life.
In a kind of above-mentioned ball pivot assembly, the bottom surface of described bonnet offers spacing hole.Spacing hole facilitates bonnet to exist
It is spacing during installation, press fitting precision is ensure that, bonnet is connected firmly with ball seat.
Compared with prior art, this ball pivot assembly is easily manufactured, and manufacturing cost is low, and lubricity is good, ball stud and ball
Wear small between bowl, service life length, the pivot angle of ball stud is larger in addition, can meet the requirement of wheel bob, and work is steady
It is qualitative good.
Brief description of the drawings
Fig. 1 is the structure sectional view of this ball pivot assembly.
Fig. 2 is the structure top view of ball bowl in this ball pivot assembly.
In figure, 1, ball seat；2nd, ball stud；2a, ball head；2b, undergauge section；2c, fillet；2d, conical section；3rd, ball bowl；3a、
Lubrication groove；3b, oil-through hole；3c, link slot；4th, dust cover；5th, bonnet；5a, spacing hole；6th, collar；7th, shoe cream room；8th, it is spacing
Circle；9th, jump ring；10th, protective case.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As depicted in figs. 1 and 2, this ball pivot assembly includes ball seat 1, ball stud 2, ball bowl 3 and dust cover 4, is opened up in ball seat 1
There is mounting groove, ball bowl 3 is located in mounting groove, and ball seat 1 is fixed with the bonnet 5 positioned at the lower section of ball bowl 3, the ball head 2a of ball stud 2
Loaded in ball bowl 3, the lower end of dust cover 4 is fixed on ball seat 1 by collar 6, and the bar portion of ball stud 2 has one section of undergauge section
2b, the small one end of undergauge section 2b diameters is connected with ball head 2a and both junctions have a circle fillet 2c, and ball bowl 3 is supported on ball
The transverse center section of head 2a lower half and the top surface of ball bowl 3 less than ball head 2a is set, and the inwall of ball bowl 3 is circumferentially uniform
Offering lubrication groove 3a, lubrication groove 3a quantity is six in the present embodiment, and the bottom center of ball bowl 3 offers oil-through hole 3b,
Lubrication groove 3a upper end notch is communicated on the top surface of ball bowl 3, and lubrication groove 3a lower end notch is communicated in oil-through hole 3b.
Further describe in detail, in order to strengthen lubricant effect, offered in ball bowl 3 in round and be communicated in each lubrication groove 3a's
Link slot 3c, link slot 3c quantity is for one and at the transverse center section of ball bowl 3 in the present embodiment, the middle part of bonnet 5
It is outwardly so that between bonnet 5 and ball bowl 3 formed shoe cream room 7.For the firm position of dust cover 4 and good airproof performance, also avoid
The upper end of dust cover 4 swings to ball stud 2 and causes to interfere, and the bar portion of ball stud 2 has one section of conical section 2d, and conical section 2d diameters are big
One end be connected to the big one end of undergauge section 2b diameters, the big one end of conical section 2d diameters is arranged with spacing collar 8, dust cover 4
Upper end is fixed on the spacing collar 8 for coating the upper part of dust cover 4 by jump ring 9, and the quantity of collar 6 is two.In order to prolong
Long life, ball seat 1 are connected with the protective case 10 for setting the bar portion cover of dust cover 4, ball stud 2；For the side of press fitting of bonnet 5
Just, the bottom surface of bonnet 5 offers spacing hole 5a.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (7)
1. a kind of ball pivot assembly, including ball seat (1), ball stud (2), ball bowl (3) and dust cover (4), described ball seat are opened in (1)
Provided with mounting groove, described ball bowl (3) is located in mounting groove, and described ball seat (1) is fixed with the bonnet below ball bowl (3)
(5), the ball head (2a) of described ball stud (2) is loaded in ball bowl (3), and the lower end of described dust cover (4) passes through collar (6)
It is fixed on ball seat (1), the bar portion of described ball stud (2) has one section of undergauge section (2b), described undergauge section (2b) diameter
Small one end is connected with ball head (2a) and both junctions have a circle fillet (2c), it is characterised in that described ball bowl (3)
The top surface for being supported on the lower half of ball head (2a) and ball bowl (3) is set less than the transverse center section of ball head (2a), described
Ball bowl (3) inwall circumferentially uniformly offer lubrication groove (3a), the bottom center of described ball bowl (3) offers oil-through hole
(3b), the upper end notch of described lubrication groove (3a) are communicated on the top surface of ball bowl (3), the lower end notch connection of lubrication groove (3a)
In oil-through hole (3b).
2. a kind of ball pivot assembly according to claim 1, it is characterised in that offered in described ball bowl (3) in round
And it is communicated in each lubrication groove (3a) link slot (3c).
3. a kind of ball pivot assembly according to claim 2, it is characterised in that convex is sent as an envoy in the middle part of described bonnet (5)
Obtain and shoe cream room (7) is formed between bonnet (5) and ball bowl (3).
4. a kind of ball pivot assembly according to claim 1, it is characterised in that the bar portion of described ball stud (2) has one
Section conical section (2d), the big one end of conical section (2d) diameter is connected to the big one end of undergauge section (2b) diameter, described conical section
The big one end of (2d) diameter is arranged with spacing collar (8), and the upper end of described dust cover (4) is fixed on by jump ring (9) will be dust-proof
On the spacing collar (8) for covering (4) upper part cladding.
5. a kind of ball pivot assembly according to claim 1, it is characterised in that the quantity of described collar (6) is two.
6. a kind of ball pivot assembly according to claim 1, it is characterised in that described ball seat (1) is connected with dust cover
(4), the protective case (10) that the bar portion cover of ball stud (2) is set.
7. a kind of ball pivot assembly according to claim 1, it is characterised in that the bottom surface of described bonnet (5) opens up limited
Position hole (5a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789412.7U CN206841107U (en) | 2017-07-01 | 2017-07-01 | A kind of ball pivot assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789412.7U CN206841107U (en) | 2017-07-01 | 2017-07-01 | A kind of ball pivot assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206841107U true CN206841107U (en) | 2018-01-05 |
Family
ID=60804271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720789412.7U Active CN206841107U (en) | 2017-07-01 | 2017-07-01 | A kind of ball pivot assembly |
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| CN (1) | CN206841107U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109967A (en) * | 2018-08-02 | 2019-01-01 | 北京汽车股份有限公司 | Rear-axle steering mechanism and automobile |
| CN110106983A (en) * | 2019-05-23 | 2019-08-09 | 东华理工大学 | A kind of pivoting support and the steel structure node articulated structure using the support |
| CN117734851A (en) * | 2024-02-21 | 2024-03-22 | 成都理工大学 | Parallel robot and foot robot with vibration reduction function |
-
2017
- 2017-07-01 CN CN201720789412.7U patent/CN206841107U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109967A (en) * | 2018-08-02 | 2019-01-01 | 北京汽车股份有限公司 | Rear-axle steering mechanism and automobile |
| CN110106983A (en) * | 2019-05-23 | 2019-08-09 | 东华理工大学 | A kind of pivoting support and the steel structure node articulated structure using the support |
| CN117734851A (en) * | 2024-02-21 | 2024-03-22 | 成都理工大学 | Parallel robot and foot robot with vibration reduction function |
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