CN205087008U - Lower swizzle assembly - Google Patents
Lower swizzle assembly Download PDFInfo
- Publication number
- CN205087008U CN205087008U CN201520789504.6U CN201520789504U CN205087008U CN 205087008 U CN205087008 U CN 205087008U CN 201520789504 U CN201520789504 U CN 201520789504U CN 205087008 U CN205087008 U CN 205087008U
- Authority
- CN
- China
- Prior art keywords
- lower ball
- ball
- spring
- ball base
- body shell
- 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 belongs to the technical field of the auto steering, a lower swizzle assembly is related to. The problem of prior art wear and tear technique that life is short easily is solved. It is sold including the lower ball shank shell and the ball of pegging graft in ball shank shell down, and the rigid coupling has a lower support arm on the lower ball shank shell, ball round pin constitute by the pull rod with turning body that the pull rod is connected, lower ball shank shell in be equipped with split type ball seat subassembly, this split type ball seat subassembly includes ball seat and ball seat down, last ball seat be the tube -shape and the parcel is outside at turning body, go up the ball seat and ball shank shell joint is fixed down, lower ball seat be located ball seat and turning body and press and establish at ball seat down, thereby still be equipped with in the lower ball shank shell spring unit and down the ball seat press establish make on spring unit under the ball seat can reciprocate along the axial lead that the ball is sold. The utility model relates to a rationally, can reduce friction to increase of service life.
Description
Technical field
The utility model belongs to Automotive Steering Technology field, relates to a kind of lower stub assembly.
Background technology
Ball pin assembly is space linkage, and the space being particularly useful for spindle and swing arm is hinged, belongs to automobile technical field.Because ball pin can often be rotated in use procedure, therefore and between ball pin seat friction can be produced, inevitable wearing and tearing, thus impact uses, in order to reduce wearing and tearing, people reduce friction force often through the area of contact of sacrificing ball pin seat and ball pin, but it is insecure often to make ball pin fix, the fault met accident.
Also have and improve lubricity by the mode of charging-up lubricant oil, reduce friction coefficient, but when ball pin assembly is installed to after on automobile, the operability of repeatedly adding lubricating oil is not strong.
Therefore, how to reduce the friction between ball pin seat and ball pin, thus reduce wearing and tearing, the service life of improving ball pin assembly becomes the current technical issues that need to address.
Utility model content
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, the lower stub assembly of long service life.
For achieving the above object, the utility model have employed following technical proposal: a kind of lower stub assembly, comprise lower ball pin body shell and be plugged on the ball pin in lower ball pin body shell, lower ball pin body shell is connected with lower support arm, described ball pin is made up of pull bar and the body that turns to that is connected with pull bar, split type ball seat assembly is provided with in described lower ball pin body shell, this split type ball seat assembly comprises upper ball base and lower ball base, described upper ball base is tubular and is wrapped in and turns to external body, upper ball base and lower ball pin body shell connect and fix, described lower ball base is positioned at upper ball base and turns to body to be pressed on lower ball base, a spring assembly is also provided with and lower ball base to be pressed on spring assembly thus lower ball base can be moved up and down along the axial line of ball pin in lower ball pin body shell.
Preferably, described spring assembly comprises the end cap connected and fixed with lower ball pin body shell, has containing cavity, be provided with spring in this containing cavity between described end cap and lower ball base, and described both ends of the spring is respectively against end cap inwall and lower ball base outer wall.
Preferably, described upper ball base to be pressed on end cap and to closely cooperate with end cap, and the columniform spring housing of outwardly formation bottom described end cap, described spring is placed in spring housing.
Preferably, described spring is cylindrical spring, and the contact part of spring and lower ball base is provided with a spring shim be pressed on spring.
Preferably, have an annular groove bottom described lower ball base, the top of described spring shim has the bulge loop of annular, and bulge loop to be inserted in groove thus to make spring shim and lower ball base form concavo-convex snap-fit engagement.
Preferably, being arranged with one outside described lower ball pin body shell can prevent dust from entering into dust-proof mechanism in ball pin and lower ball pin body shell.
Preferably, described dust-proof mechanism comprises the dust boot be set on pull bar, and bottom and the lower ball pin body shell outer wall detouchable of this dust boot connect and fix, and are sealed and matched in the middle part of the top of dust boot and pull bar.
Preferably, in described dust boot and the top being positioned at dust boot is fixed with one and has elastomeric bail wire, and described dust boot is outside and the junction being positioned at dust boot and lower ball pin body shell is provided with a jump ring.
Preferably, described pull bar is also arranged with a protecting jacket, dust boot is positioned at protecting jacket inside, and described dust boot outer wall has arcuate projection thus dust boot outer wall is coordinated with protecting jacket inner wall sealing, protecting jacket top be installed with one with the setting nut of pull bar threaded.
Preferably, the end of described lower support arm has two symmetrically arranged joint pins of the line of centers along lower support arm, each joint pin is respectively equipped with two connecting screw holes, and each joint pin is provided with a hollow-out parts, described hollow-out parts is between two connecting screw holes.
Compared with prior art, the utility model has the advantage of: reasonable in design, rotate flexibly, Stability Analysis of Structures is reliable, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides;
Fig. 2 is the A direction view of Fig. 1.
In figure: lower ball pin body shell 10, ball pin 11, pull bar 12, turn to body 13, lower support arm 20, joint pin 21, connecting screw hole 22, hollow-out parts 23, upper ball base 31, lower ball base 32, spring assembly 40, end cap 41, spring 42, spring housing 43, spring shim 44, groove 45, bulge loop 46, dust-proof mechanism 50, dust boot 51, bail wire 52, jump ring 53, protecting jacket 54, setting nut 55.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1-2, the utility model provides a kind of lower stub assembly, comprises lower ball pin body shell 10, ball pin 11, lower support arm 20, split type ball seat assembly, spring assembly 40 and dust-proof mechanism 50.
Specifically, ball pin 11 is plugged in lower ball pin body shell 10, lower ball pin body shell 10 is connected with lower support arm 20, described ball pin 11 is made up of pull bar 12 and the body 13 that turns to that is connected with pull bar 12, turn to body 13 in segment-shaped, split type ball seat assembly is provided with in described lower ball pin body shell 10, this split type ball seat assembly comprises upper ball base 31 and lower ball base 32, described upper ball base 31 is in tubular and be wrapped in and turn to body 13 outside, upper ball base 31 and lower ball pin body shell 10 connect and fix, described lower ball base 32 is positioned at upper ball base 31 and turns to body 13 to be pressed on lower ball base 32, a spring assembly 40 is also provided with and lower ball base 32 to be pressed on spring assembly 40 thus lower ball base 32 can be moved up and down along the axial line of ball pin 11 in lower ball pin body shell 10.Lower ball base 32 can play the effect supporting ball pin 11, can play buffer action again, thus can reduce the wearing and tearing of lower ball base 32, improves the service life of ball pin assembly.
The end of lower support arm 20 has two symmetrically arranged joint pins 21 of the line of centers along lower support arm 20, each joint pin 21 is respectively equipped with two connecting screw holes 22, and each joint pin 21 is provided with a hollow-out parts 23, described hollow-out parts 23 is between two connecting screw holes 22.Hollow-out parts 23 can reduce weight and the material usage of whole lower support arm 20, also provides more space, is convenient to be installed in automobile.
Being arranged with one outside lower ball pin body shell 10 can prevent dust from entering into dust-proof mechanism 50 in ball pin 11 and lower ball pin body shell 10, improves dust-proof effect, reduces ball pin 11 and the wearing and tearing between upper ball base 31 and lower ball base 32 further.
In the present embodiment, spring assembly 40 comprises the end cap 41 connected and fixed with lower ball pin body shell 10, have containing cavity between described end cap 41 and lower ball base 32, be provided with spring 42 in this containing cavity, described spring 42 two ends are respectively against end cap 41 inwall and lower ball base 32 outer wall.Upper ball base 31 to be pressed on end cap 41 and to closely cooperate with end cap 41, and the columniform spring housing 43 of outwardly formation bottom described end cap 41, described spring 42 is placed in spring housing 43.
Preferred version, spring 42 is cylindrical spring, and spring 42 is provided with a spring shim 44 be pressed on spring 42 with the contact part of lower ball base 32.Bottom lower ball base 32, there is an annular groove 45, the top of described spring shim 44 has the bulge loop 46 of annular, bulge loop 46 to be inserted in groove 45 thus to make spring shim 44 and lower ball base 32 form concavo-convex snap-fit engagement, and spring shim 44 can not depart from lower ball base 32.
Dust-proof mechanism 50 comprises the dust boot 51 be set on pull bar 12, and bottom and the lower ball pin body shell 10 outer wall detouchable of this dust boot 51 connect and fix, and are sealed and matched in the middle part of the top of dust boot 51 and pull bar 12.
Preferred version, in the dust boot 51 and top being positioned at dust boot 51 is fixed with one and has elastomeric bail wire 52, it is inner that bail wire 52 is embedded in dust boot 51 when production dust boot 51, and described dust boot 51 is outside and be positioned at dust boot 51 and be provided with a jump ring 53 with the junction of lower ball pin body shell 10.Pull bar 12 is also arranged with a protecting jacket 54, it is inner that dust boot 51 is positioned at protecting jacket 54, described dust boot 51 outer wall has arcuate projection thus dust boot 51 outer wall is coordinated with protecting jacket 54 inner wall sealing, protecting jacket 54 top be installed with one with the setting nut 55 of pull bar 12 threaded, setting nut 55 moves up and down, can the position of adjusting protecting cover 54, very convenient.
Above-mentioned upper ball base 31 and lower ball base 32 all adopt polyformaldehyde material to make, and dust boot 51 adopts black oil proof rubber to make, and protective cover 54 is adopted made of plastic.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a lower stub assembly, the ball pin (11) comprising lower ball pin body shell (10) and be plugged in lower ball pin body shell (10), lower ball pin body shell (10) is connected with lower support arm (20), it is characterized in that, described ball pin (11) is made up of pull bar (12) and the body (13) that turns to that is connected with pull bar (12), split type ball seat assembly is provided with in described lower ball pin body shell (10), this split type ball seat assembly comprises upper ball base (31) and lower ball base (32), described upper ball base (31) is in tubular and be wrapped in and turn to body (13) outside, upper ball base (31) and lower ball pin body shell (10) connect and fix, described lower ball base (32) is positioned at upper ball base (31) and turns to body (13) to be pressed on lower ball base (32), also be provided with a spring assembly (40) in lower ball pin body shell (10) and lower ball base (32) to be pressed on spring assembly (40) upper thus lower ball base (32) can be moved up and down along the axial line of ball pin (11).
2. lower stub assembly according to claim 1, it is characterized in that, described spring assembly (40) comprises the end cap (41) connected and fixed with lower ball pin body shell (10), between described end cap (41) and lower ball base (32), there is containing cavity, be provided with spring (42) in this containing cavity, described spring (42) two ends are respectively against end cap (41) inwall and lower ball base (32) outer wall.
3. lower stub assembly according to claim 2, it is characterized in that, described upper ball base (31) is pressed on end cap (41) and goes up and closely cooperate with end cap (41), described end cap (41) the bottom columniform spring housing of outwardly formation (43), described spring (42) is placed in spring housing (43).
4. lower stub assembly according to claim 3, it is characterized in that, described spring (42) is cylindrical spring, and spring (42) is provided with a spring shim (44) be pressed on spring (42) with the contact part of lower ball base (32).
5. lower stub assembly according to claim 4, it is characterized in that, described lower ball base (32) bottom there is an annular groove (45), the top of described spring shim (44) has the bulge loop (46) of annular, and bulge loop (46) to be inserted in groove (45) thus to make spring shim (44) and lower ball base (32) form concavo-convex snap-fit engagement.
6. lower stub assembly according to claim 5, it is characterized in that, be arranged with one outside described lower ball pin body shell (10) and can prevent dust from entering into dust-proof mechanism (50) in ball pin (11) and lower ball pin body shell (10).
7. lower stub assembly according to claim 6, it is characterized in that, described dust-proof mechanism (50) comprises the dust boot (51) be set on pull bar (12), bottom and lower ball pin body shell (10) the outer wall detouchable of this dust boot (51) connect and fix, and the top of dust boot (51) and pull bar (12) middle part are sealed and matched.
8. lower stub assembly according to claim 7, it is characterized in that, in described dust boot (51) and the top being positioned at dust boot (51) is fixed with one and has elastomeric bail wire (52), and described dust boot (51) is outside and be positioned at dust boot (51) and be provided with a jump ring (53) with the junction of lower ball pin body shell (10).
9. lower stub assembly according to claim 8, it is characterized in that, described pull bar (12) is also arranged with a protecting jacket (54), it is inner that dust boot (51) is positioned at protecting jacket (54), described dust boot (51) outer wall has arcuate projection thus dust boot (51) outer wall is coordinated with protecting jacket (54) inner wall sealing, protecting jacket (54) top be installed with one with the setting nut (55) of pull bar (12) threaded.
10. the lower stub assembly according to claim 1-9 any one, it is characterized in that, the end of described lower support arm (20) has two symmetrically arranged joint pins of line of centers (21) along lower support arm (20), each joint pin (21) is respectively equipped with two connecting screw holes (22), and each joint pin (21) is provided with a hollow-out parts (23), described hollow-out parts (23) is positioned between two connecting screw holes (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789504.6U CN205087008U (en) | 2015-10-12 | 2015-10-12 | Lower swizzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789504.6U CN205087008U (en) | 2015-10-12 | 2015-10-12 | Lower swizzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205087008U true CN205087008U (en) | 2016-03-16 |
Family
ID=55477719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520789504.6U Expired - Fee Related CN205087008U (en) | 2015-10-12 | 2015-10-12 | Lower swizzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205087008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI635237B (en) * | 2017-10-24 | 2018-09-11 | 正崴精密工業股份有限公司 | Ball joint hinge supporter with locating structure |
-
2015
- 2015-10-12 CN CN201520789504.6U patent/CN205087008U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI635237B (en) * | 2017-10-24 | 2018-09-11 | 正崴精密工業股份有限公司 | Ball joint hinge supporter with locating structure |
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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: 312000, Shaoxing District, Zhejiang province Keqiao rock Street Yong Village Patentee after: Shaoxing Ke Ke Lihua Auto Parts Co., Ltd. Address before: 312000, Shaoxing District, Zhejiang province Keqiao rock Street Yong Village Patentee before: SHAOXING COUNTY KELIHUA AUTOMOBILE PARTS CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20201012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |