CN209671402U - A kind of ball stud - Google Patents
A kind of ball stud Download PDFInfo
- Publication number
- CN209671402U CN209671402U CN201920455971.3U CN201920455971U CN209671402U CN 209671402 U CN209671402 U CN 209671402U CN 201920455971 U CN201920455971 U CN 201920455971U CN 209671402 U CN209671402 U CN 209671402U
- Authority
- CN
- China
- Prior art keywords
- ball head
- ball
- protrusion
- rubber portion
- rod body
- 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
Links
- 238000005461 lubrication Methods 0.000 claims abstract description 15
- 238000004073 vulcanization Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 241000220317 Rosa Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model provides a kind of ball stud, belongs to technical field of automobile accessories.It solves the problems such as existing bulb latch structure is not compact enough, the service life is short.This ball stud includes ball head and the rod body that is connected with ball head, the lower half of ball head has axially projecting protrusion for the lower half of plane and ball head, protrusion and rod body are coaxially disposed, ball head vulcanization is fixed with the rubber portion for coating protrusion, the outer diameter in rubber portion is less than or equal to the diameter of the ball head upper half, the bottom surface in rubber portion is plane, and the upper half surface of ball head has lubrication groove.The utility model have many advantages, such as it is compact-sized, be easily installed and high lubricating effect.
Description
Technical field
The utility model belongs to technical field of automobile accessories, is related to a kind of accessory of bulb pin assembly, in particular to a kind of
Ball stud.
Background technique
Bulb pin assembly is one of component mostly important in automobile suspension system, it is primarily subjected in vehicle traveling process
Load transmission and steering-effecting play a key effect to the control stability, ride performance and safety of vehicle.
Such as Chinese patent literature data discloses a kind of steel rose joint assembly [application number: 200920280280.0；
Authorization Notice No.: CN201568442U], the top of ball pin is equipped with slotted nut, and slotted nut is fixed by split pin, ball pin
Lower end connect with connector, the top of connector is upper ball base, dust cover is equipped on the top perimeter wall of connector, in dust cover
Bottom is equipped with dust cover retainer ring, and the lower part of connector is lower ball base, is equipped with spring in the bottom of lower ball base, spring is by being located on connector
Bottom plate fix.
Above-mentioned steel rose joint assembly is applied in steering drag link, be can be avoided ball seat early stage looseness and is caused vehicle
It shakes, send out the phenomenon that pendulum, but spring, bottom plate inconvenience mounting arrangements, structure is not compact enough, and bottom plate exists and touches ball seat
And there is a situation where abnormal sound, the lubricant effect at ball stud is also not ideal enough, and easy to wear, service life is short.
Summary of the invention
The purpose of this utility model is provided a kind of compact-sized, just for the above-mentioned problems in the prior art
In installation and the ball stud of high lubricating effect.
The purpose of this utility model can be realized by the following technical scheme: a kind of ball stud, including ball head and and ball
The rod body that head is connected, which is characterized in that the lower half of the ball head is the lower half tool of plane and ball head
There is axially projecting protrusion, the protrusion and rod body are coaxially disposed, and the ball head vulcanization is fixed with and will protrude
The rubber portion of portion's cladding, the outer diameter in the rubber portion is less than or equal to the diameter of the ball head upper half, described
The bottom surface in rubber portion is plane, and the upper half surface of the ball head has lubrication groove.
In a kind of above-mentioned ball stud, the protrusion is cylindrical and the outer wall of protrusion has several ring shapes
Slot, the rubber portion have the flange collar being embedded in corresponding annular groove.Increase in this way rubber portion and protrusion it
Between connectivity robustness, avoid rubber portion be detached from ball head and cause flexibly support effect be deteriorated, extend service life.
In a kind of above-mentioned ball stud, the outer wall in the rubber portion has several circles, and axially uniformly distributed annular is recessed
Slot.When this ball stud is swung, ball head can compress rubber portion, and annular groove increases the deformation at rubber portion outer wall
Amount, avoids the interference in rubber portion, so that the pivot angle of ball stud is big, using effect is good, and biggish deformation quantity avoids
The outer wall in rubber portion is torn, long service life.
In a kind of above-mentioned ball stud, spring is coated in the rubber portion, the spring is placed on protrusion
Outside portion and spring and protrusion are coaxially disposed, and the plane of one end close to the ball head lower half of the spring is arranged, spring
The other end close to rubber portion bottom surface be arranged.Spring enhances the axial load resistant impact capacity in rubber portion,
So that this ball stud can not only be used in kart, also can be suitably used in the oversize vehicles such as lorry, car.
In a kind of above-mentioned ball stud, the quantity of the lubrication groove is two circles and two lubrication grooves are arranged in a crossed manner in bulb
The surface of the portion upper half, two lubrication grooves both pass through the junction setting of ball head and rod body.It is filled in ball head and rod body
The lubricant grease of junction easily flows into the lubrication groove being reasonably distributed, lubricant grease to the high lubricating effect of the ball head upper half,
Abrasion is reduced, service life is extended.
In a kind of above-mentioned ball stud, the rod body has conical surface section, the small one end of the conical surface section diameter
It is connected to ball head, rubber sleeve is arranged with outside the conical surface section.Conical surface section avoids interference with, and the pivot angle of ball stud is big, rubber sleeve
Conical surface section clashing and breaking are avoided, service life is extended.
In a kind of above-mentioned ball stud, the rod body has the shoulder block of a circle radially protruding, and the shoulder block connects
It is connected to the big one end of conical surface section diameter.Shoulder block plays the role of the end for stopping dust cover, and the end of dust cover is avoided to slide to cone
Face section and can not reset so that dust cover the operation is stable.
Compared with prior art, this ball stud is compact-sized, easy for installation, high lubricating effect, long service life, and
Pivot angle is big, and anti-load-carrying ability is good, applied widely.
Detailed description of the invention
Fig. 1 is the structural front view of this ball stud.
Fig. 2 is the structure sectional view of this ball stud.
In figure, 1, ball head；2, rod body；21, conical surface section；22, shoulder block；3, protrusion；4, rubber portion；41, convex
Circle；42, annular groove；5, lubrication groove；6, spring；7, rubber sleeve.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, this ball stud includes ball head 1 and the rod body being connected with ball head 12, ball head
1 lower half has axially projecting protrusion 3 for the lower half of plane and ball head 1, and protrusion 3 is coaxially set with rod body 2
It sets, the vulcanization of ball head 1 is fixed with the rubber portion 4 for coating protrusion 3, and the outer diameter in rubber portion 4 is less than or equal to ball
The diameter of 1 upper half of head, the outer diameter in rubber portion 4 is equal to the diameter of 1 upper half of ball head, rubber in the present embodiment
The bottom surface in portion 4 is plane, and the upper half surface of ball head 1 has lubrication groove 5.
For this ball stud in the connected rubber portion 4 in the lower half of ball head 1, elasticity plays to ball head 1 in rubber portion 4
Ball head 1 and rubber portion 4 are packed into ball seat when installation by support, compact overall structure, easy for installation；And it lubricates
Slot 5 holds lubricant grease storage and circulation, so that the lubricity between the upper half surface of ball head 1 and ball seat is good, reduces abrasion,
Extend service life；Protrusion 3 increases the connection area of ball head 1 Yu rubber portion 4, so that ball head 1 and rubber
4 connectivity robustness of support portion is good.
Further describe in detail, in order to be connected firmly, protrusion 3 is cylindrical and the outer wall of protrusion 3 has two ring annular grooves,
Rubber portion 4 has the flange collar 41 being embedded in corresponding annular groove；In order to which pivot angle is big and anti-tear, the outer wall in rubber portion 4
Axially uniformly distributed annular groove 42 is enclosed with five；In order to applied widely, it is coated with spring 6 in rubber portion 4,6 sets of spring
In protrusion 3, outer and spring 6 and protrusion 3 are coaxially disposed, and the plane of one end close to 1 lower half of ball head of spring 6 is arranged,
The bottom surface in the other end of spring 6 close to rubber portion 4 is arranged.
For high lubricating effect, the quantity of lubrication groove 5 is two circles and two lubrication grooves 5 are arranged in a crossed manner in 1 upper half of ball head
Surface, two lubrication grooves 5 both pass through the junction setting of ball head 1 and rod body 2；In order to which pivot angle is big and long service life, bar
Body portion 2 has conical surface section 21, and the small one end of 21 diameter of conical surface section is connected to ball head 1, rubber sleeve 7 is arranged with outside conical surface section 21；
In order to enable dust cover the operation is stable, rod body 2 has the shoulder block 22 of a circle radially protruding, and it is straight that shoulder block 22 is connected to conical surface section 21
The big one end of diameter.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of ball stud, including ball head (1) and the rod body (2) being connected with ball head (1), which is characterized in that institute
The lower half for the ball head (1) stated has axially projecting protrusion (3) for the lower half of plane and ball head (1), described
Protrusion (3) and rod body (2) are coaxially disposed, and the ball head (1) vulcanization is fixed with the rubber branch for coating protrusion (3)
Support part (4), the outer diameter in the rubber portion (4) are less than or equal to the diameter of ball head (1) upper half, the rubber branch
The bottom surface of support part (4) is plane, and the upper half surface of the ball head (1) has lubrication groove (5).
2. a kind of ball stud according to claim 1, which is characterized in that the protrusion (3) is cylindrical and protrudes
The outer wall in portion (3) has several ring annular grooves, and the rubber portion (4) has the flange collar being embedded in corresponding annular groove
(41).
3. a kind of ball stud according to claim 2, which is characterized in that the outer wall in the rubber portion (4) has
It is several to enclose axially uniformly distributed annular groove (42).
4. a kind of ball stud according to claim 3, which is characterized in that be coated with bullet in the rubber portion (4)
Spring (6), the spring (6) is placed on protrusion (3) outside and spring (6) and protrusion (3) are coaxially disposed, the spring (6)
The plane of one end close to ball head (1) lower half be arranged, the bottom of the other end of spring (6) close to rubber portion (4)
Face setting.
5. a kind of ball stud according to claim 4, which is characterized in that the quantity of the lubrication groove (5) be two circle and
Two lubrication grooves (5) surface arranged in a crossed manner in ball head (1) upper half, two lubrication grooves (5) both pass through ball head (1) and rod body
(2) junction setting.
6. a kind of ball stud according to claim 5, which is characterized in that the rod body (2) has conical surface section (21),
The small one end of described conical surface section (21) diameter is connected to ball head (1), and rubber sleeve is arranged with outside the conical surface section (21)
(7).
7. a kind of ball stud according to claim 6, which is characterized in that the rod body (2) has a circle radial convex
Shoulder block (22) out, the shoulder block (22) are connected to the big one end of conical surface section (21) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920455971.3U CN209671402U (en) | 2019-04-05 | 2019-04-05 | A kind of ball stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920455971.3U CN209671402U (en) | 2019-04-05 | 2019-04-05 | A kind of ball stud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671402U true CN209671402U (en) | 2019-11-22 |
Family
ID=68573769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920455971.3U Expired - Fee Related CN209671402U (en) | 2019-04-05 | 2019-04-05 | A kind of ball stud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671402U (en) |
-
2019
- 2019-04-05 CN CN201920455971.3U patent/CN209671402U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |