CN105946452A - Front axle assembly of automobile disc brake - Google Patents
Front axle assembly of automobile disc brake Download PDFInfo
- Publication number
- CN105946452A CN105946452A CN201610320914.5A CN201610320914A CN105946452A CN 105946452 A CN105946452 A CN 105946452A CN 201610320914 A CN201610320914 A CN 201610320914A CN 105946452 A CN105946452 A CN 105946452A
- Authority
- CN
- China
- Prior art keywords
- front axle
- knuckle
- shaft hole
- hole
- disc brake
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/003—Steerable axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0052—Hubs characterised by functional integration of other elements the element being a brake disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0063—Hubs characterised by functional integration of other elements the element being a brake caliper mount
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention provides a front axle assembly of an automobile disc brake. The front axle assembly of the automobile disc brake comprises a front shaft (1). The front axle assembly of the automobile disc brake is characterized in that one or more hollowed-out holes (2) are formed in a web of the front shaft (1), a steering knuckle arm (9) is installed on one side of a steering knuckle (3), a weight reduction groove (12) is formed in the surface of the inner side of the end, close to an installation hole, of the steering knuckle arm (9), a left-right arm (7) is installed on the other side of the steering knuckle (3), and a weight reduction notch (16) is formed in the portion, between a middle hinge shaft hole (14) and an auxiliary connection shaft hole (15), of a left-right arm body. According to the front axle assembly of the automobile disc brake, the hollowed-out holes are formed in the web of the front shaft, so that the weight of the front shaft is reduced, and the front-back axial rigidity and longitudinal rigidity can also be improved; the oil injection way of the steering knuckle is improved, and effective weight reduction is conducted on main components; and the requirement for lightweight design is met, the overall weight of an automobile front axle is directly reduced, and the traveling performance of an automobile can be improved easily.
Description
Technical field
The present invention relates to a kind of front axle assy, particularly relate to a kind of automotive disc brake front axle assy, belong to technical field of automobile components.
Background technology
Automobile front axle belongs to automotive chassis components, it it is the bearing part wanted of automobile primary, existing disk brake propons Optimal improvements all the time is less, existing disk brake propons a lot of critical piece weight ratio is bigger, do not carry out effective loss of weight and light-weight design, be unfavorable for improving running car performance.The most existing knuckle lubrication and seal parts are more, and frock puts into and installation difficulty is the biggest, and lubricant effect is the best, and working service is inconvenient.
Summary of the invention
It is an object of the invention to for existing disk brake front axle assy overall weight bigger, do not carry out effective light-weight design, the lubrication and seal parts of knuckle are more simultaneously, lubricant effect is the best, it is unfavorable for improving defect and the deficiency of running car performance, there is provided a kind of rational in infrastructure, the structure of knuckle and drag link has been carried out Curve guide impeller, improve serviceability, and also main parts size has been carried out effective loss of weight, meet the requirement of light-weight design, directly alleviate the overall weight of automobile front axle, be conducive to improving a kind of automotive disc brake front axle assy of running car performance.
nullFor achieving the above object，The technical solution of the present invention is: a kind of automotive disc brake front axle assy，Including front axle，The installing hole at front axle two ends is connected with knuckle by stub respectively，On installation axle outside knuckle, wheel hub brake disc is installed，In wheel hub brake disc, caliper is installed，One or more hollow hole is offered on the web of described front axle，On knuckle、The kingpin bore two ends of lower hanger offer female thread，Stub oil fill plug is connected with knuckle by described screw thread，Pump nozzle assembly is installed on stub oil fill plug，The side of knuckle is provided with knuckle arm，Knuckle arm offers lightening grooves on the inner surface of installing hole one end，The opposite side of knuckle is provided with left and right arms，The middle part of left and right arms is provided with middle hinged axis hole，One end of left and right arms is pull bar connecting hole，The other end of left and right arms is auxiliary connecting shaft hole，Loss of weight notch is offered on left and right arms body between middle hinged axis hole and auxiliary connecting shaft hole，The asessory shaft hole depth at auxiliary connecting shaft hole place is less than the intermediate shaft hole degree of depth at middle hinged axis hole place，The installed surface that middle hinged axis hole is installed mutually with auxiliary connecting shaft hole and knuckle is in same level，It is connected by drag link between two relative left and right arms.
The degree of depth of described lightening grooves is the 1/5-3/5 of knuckle arm thickness, the 1/2-3/4 that a width of arm of lightening grooves is wide.
The 1/2-4/5 that the degree of depth is the intermediate shaft hole degree of depth of described asessory shaft hole depth.
The two ends of described drag link are respectively arranged with bulb attachment structure, and the spherical surface roughness of bulb is Ra0.8-Ra1.6.
It is provided with needle bearing in described kingpin bore, and needle bearing is between stub and kingpin bore.
Being coaxially arranged with outer-hexagonal in the middle part of the outer surface of described stub oil fill plug protruding, the outside of outer-hexagonal projection is provided with grease nipple.
The invention has the beneficial effects as follows:
1. the present invention offers hollow hole on front axle web, not only alleviate the weight of front axle, before and after's axial rigidity and longitudinal rigidity can also be improved, and knuckle oiling mode has been made improvement by knuckle, considerably reduce parts, decreasing frock to put into, reduce installation difficulty, oil injecting lubricating effect is more preferable.
2. the present invention offers lightening grooves at the outer surface of the side of knuckle arm, left and right arms body offers loss of weight notch, the effective loss of weight to knuckle arm and left and right arms is achieved on the premise of proof strength, additionally the two ends at drag link are respectively arranged with smooth bulb attachment structure, connection precision can not only be improved, and friction can also be reduced, increase the service life, the design of these losss of weight meets the requirement of light-weight design, the most directly alleviate the overall weight of automobile front axle, be conducive to improving running car performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation after the present invention assembles.
Fig. 3 is the schematic diagram of A-A in Fig. 2.
Fig. 4 is the structural representation of knuckle of the present invention.
Fig. 5 is the front schematic view of left and right arms of the present invention.
Fig. 6 is the side schematic view of left and right arms of the present invention.
Fig. 7 is the schematic diagram after left and right arms of the present invention indicates H and h.
Fig. 8 is the structural representation of knuckle arm of the present invention.
Fig. 9 is the side schematic view of knuckle arm of the present invention.
In figure: front axle 1, hollow hole 2, knuckle 3, stub 4, wheel hub brake disc 5, caliper 6, left and right arms 7, drag link 8, knuckle arm 9, needle bearing 10, stub oil fill plug 11, lightening grooves 12, loss of weight groove width d, arm width D, pull bar connecting hole 13, middle hinged axis hole 14, assist connecting shaft hole 15, loss of weight notch 16, intermediate shaft hole depth H, asessory shaft hole depth h.
Detailed description of the invention
Illustrate that the present invention is described in further detail with detailed description of the invention below in conjunction with accompanying drawing.
nullSee Fig. 1 to Fig. 9，A kind of automotive disc brake front axle assy of the present invention，Including front axle 1，The installing hole at front axle 1 two ends is connected with knuckle 3 by stub 4 respectively，On installation axle outside knuckle 3, wheel hub brake disc 5 is installed，Caliper 6 is installed in wheel hub brake disc 5，It is characterized in that: on the web of described front axle 1, offer one or more hollow hole 2，On knuckle 3、The kingpin bore two ends of lower hanger offer female thread，Stub oil fill plug 11 is connected with knuckle 3 by described screw thread，Pump nozzle assembly is installed on stub oil fill plug 11，The side of knuckle 3 is provided with knuckle arm 9，Knuckle arm 9 offers lightening grooves 12 on the inner surface of installing hole one end，The opposite side of knuckle 3 is provided with left and right arms 9，The middle part of left and right arms 7 is provided with middle hinged axis hole 14，One end of left and right arms 9 is pull bar connecting hole 15，The other end of left and right arms 7 is auxiliary connecting shaft hole 15，Loss of weight notch 16 is offered on left and right arms body between middle hinged axis hole 14 and auxiliary connecting shaft hole 15，The asessory shaft hole depth h at auxiliary connecting shaft hole 15 place is less than the intermediate shaft hole depth H at middle hinged axis hole 14 place，The installed surface that middle hinged axis hole 14 is installed mutually with auxiliary connecting shaft hole 15 and knuckle 3 is in same level，It is connected by drag link 8 between two relative left and right arms 7.
The 1/5-3/5 that the degree of depth is knuckle arm 9 thickness of described lightening grooves 12, loss of weight groove width d is the 1/2-3/4 of arm width D.
The 1/2-4/5 that the degree of depth is intermediate shaft hole depth H of described asessory shaft hole depth h.
The two ends of described drag link 8 are respectively arranged with bulb attachment structure, and the spherical surface roughness of bulb is Ra0.8-Ra1.6.
It is provided with needle bearing 10 in described kingpin bore, and needle bearing 10 is between stub 4 and kingpin bore.
Being coaxially arranged with outer-hexagonal in the middle part of the outer surface of described stub oil fill plug 11 protruding, the outside of outer-hexagonal projection is provided with grease nipple.
As shown in accompanying drawing 1 to accompanying drawing 9, the web of front axle 1 offers one or more hollow hole 2, it is also possible to offering lightening hole, hollow hole 2 or lightening hole can be various shape.Front axle 1 uses and this is designed to alleviate to a certain extent weight, meets the requirement of light-weight design, can also improve before and after's axial rigidity and longitudinal rigidity simultaneously.The installing hole at front axle 1 two ends is connected with knuckle 3 by stub 4 respectively, needle bearing 12 it is provided with in kingpin bore, stub 4 is installed in the axis hole of needle bearing 12, uses needle bearing 12 can significantly improve steering operation performance and the reliability of long period use.
The installing hole at front axle 1 two ends is connected with knuckle 3 by stub 4 respectively, upper hanger and lower hanger are integrally disposed on knuckle 3, the kingpin bore two ends of the upper and lower hanger of knuckle 3 offer female thread, being provided with external screw thread on the excircle of stub oil fill plug 13, stub oil fill plug 13 is arranged in the screwed hole at kingpin bore two ends.Stub oil fill plug 13 directly screws and can be achieved with sealing, and being screwed down by stub oil fill plug 13 is exactly to realize maintenance and change.Pump nozzle assembly is installed on stub oil fill plug 13, outer-hexagonal it is coaxially arranged with protruding in the middle part of the outer surface of stub oil fill plug 13, outer-hexagonal is protruding is integral type structure with stub oil fill plug 13, the outside of outer-hexagonal projection is provided with grease nipple, grease nipple is connected with pump nozzle assembly, lubricating oil can be injected to pump nozzle assembly by grease nipple, thus realize the lubrication to stub 4.Knuckle oiling mode has been made improvement by the knuckle 3 of the present invention, and oil injecting lubricating effect is more preferable, eliminates numerous sealings and the fixed components such as the pad, O RunddichtringO and the jump ring that were used in the past, and decreasing frock puts into, and reduces installation difficulty.
Wheel hub brake disc 5 is installed on the installation axle outside knuckle 3, wheel hub brake disc 5 is provided with caliper 6.The side of knuckle 3 is provided with knuckle arm 11, the present invention has carried out loss of weight design to knuckle arm 11, that is: on the inner surface of installing hole one end, lightening grooves 14 is offered at knuckle arm 11, installing hole is for installing fixing with knuckle 3, the inner surface of knuckle arm 11 i.e. knuckle arm install after surface downward, after knuckle arm 11 is installed, lightening grooves 14 is positioned at bottom, rather than it is positioned at upper surface upward, so can avoid groove internal water accumulation.The degree of depth of lightening grooves 14 is the 1/5-3/5 of knuckle arm 11 thickness, and loss of weight groove width d is the 1/2-3/4 of arm width D.Use this depth and width on the premise of proof strength, knuckle arm can have been carried out effective loss of weight, the loss of weight amount of knuckle arm 11 can be arrived the 8%-15% of knuckle arm gross weight.
The opposite side of knuckle 3 is provided with left and right arms 9, it is connected by drag link 10 between two relative left and right arms 9, the middle part of left and right arms 9 is provided with middle hinged axis hole 16, one end of left and right arms 9 is pull bar connecting hole 15, the other end of left and right arms 9 is auxiliary connecting shaft hole 17, and the left and right arms body between middle hinged axis hole 16 and auxiliary connecting shaft hole 17 offers loss of weight notch 18.The asessory shaft hole depth h at auxiliary connecting shaft hole 17 place less than the intermediate shaft hole depth H at middle hinged axis hole 16 place, optimum scheme is: the 1/2-4/5 that the degree of depth is intermediate shaft hole depth H of asessory shaft hole depth h.It addition, the two ends of drag link 10 are respectively arranged with bulb attachment structure, the spherical surface roughness of bulb is Ra0.8-Ra1.6, and the ball head structure that this smoothness is good can not only improve connection precision, and can also reduce friction, increases the service life.
Present configuration is reasonable, not only the structure of knuckle 3 and drag link 10 is carried out Curve guide impeller, but also left and right arms 9 and knuckle arm 11 have been carried out effective loss of weight, at utmost alleviate left and right arms 9 and the weight of knuckle arm 11, meet the requirement of light-weight design, the most directly alleviate the overall weight of automobile front axle, be conducive to improving running car performance.
Claims (6)
- null1. an automotive disc brake front axle assy，Including front axle (1)，The installing hole at front axle (1) two ends is connected with knuckle (3) by stub (4) respectively，On the installation axle in knuckle (3) outside, wheel hub brake disc (5) is installed，Caliper (6) is installed in wheel hub brake disc (5)，It is characterized in that: on the web of described front axle (1), offer one or more hollow hole (2)，On knuckle (3)、The kingpin bore two ends of lower hanger offer female thread，Stub oil fill plug (11) is connected with knuckle (3) by described screw thread，Stub oil fill plug is provided with pump nozzle assembly on (11)，The side of knuckle (3) is provided with knuckle arm (9)，Knuckle arm (9) offers lightening grooves (12) on the inner surface of installing hole one end，The opposite side of knuckle (3) is provided with left and right arms (9)，The middle part of left and right arms (7) is provided with middle hinged axis hole (14)，One end of left and right arms (9) is pull bar connecting hole (15)，The other end of left and right arms (7) is auxiliary connecting shaft hole (15)，Loss of weight notch (16) is offered on left and right arms body between middle hinged axis hole (14) and auxiliary connecting shaft hole (15)，Asessory shaft hole depth (h) at auxiliary connecting shaft hole (15) place is less than the intermediate shaft hole degree of depth (H) at middle hinged axis hole (14) place，The installed surface that middle hinged axis hole (14) is installed mutually with auxiliary connecting shaft hole (15) and knuckle (3) is in same level，It is connected by drag link (8) between two relative left and right arms (7).
- A kind of automotive disc brake front axle assy the most according to claim 1, it is characterised in that: the degree of depth of described lightening grooves (12) is the 1/5-3/5 of knuckle arm (9) thickness, and loss of weight groove width (d) is the 1/2-3/4 of arm width (D).
- A kind of automotive disc brake front axle assy the most according to claim 1, it is characterised in that: the 1/2-4/5 that the degree of depth is the intermediate shaft hole degree of depth (H) of described asessory shaft hole depth (h).
- A kind of automotive disc brake front axle assy the most according to claim 1, it is characterised in that: the two ends of described drag link (8) are respectively arranged with bulb attachment structure, and the spherical surface roughness of bulb is Ra0.8-Ra1.6.
- A kind of automotive disc brake front axle assy the most according to claim 1, it is characterised in that: it is provided with needle bearing (10) in described kingpin bore, and needle bearing (10) is positioned between stub (4) and kingpin bore.
- A kind of automotive disc brake front axle assy the most according to claim 1, it is characterised in that: being coaxially arranged with outer-hexagonal in the middle part of the outer surface of described stub oil fill plug (11) protruding, the outside of outer-hexagonal projection is provided with grease nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320914.5A CN105946452A (en) | 2016-05-14 | 2016-05-14 | Front axle assembly of automobile disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320914.5A CN105946452A (en) | 2016-05-14 | 2016-05-14 | Front axle assembly of automobile disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105946452A true CN105946452A (en) | 2016-09-21 |
Family
ID=56911785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320914.5A Pending CN105946452A (en) | 2016-05-14 | 2016-05-14 | Front axle assembly of automobile disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105946452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199829A (en) * | 2017-05-31 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | A kind of automobile front axle front axle structures |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD129637A1 (en) * | 1977-01-31 | 1978-02-01 | Herbert Huebner | CLOSURE FOR SWIVEL BEARING DRILLING OF A AXLE THREAD |
| CN1249255A (en) * | 1998-09-30 | 2000-04-05 | 达纳公司 | Closed cell foam inlay for main pin/knuckle arm assembly |
| KR200409531Y1 (en) * | 2005-11-25 | 2006-03-03 | 이근배 | Light weight Front axle for commercial vehicle |
| CN201154734Y (en) * | 2007-10-16 | 2008-11-26 | 中国重汽集团济南技术中心有限公司 | Front steering axle for automobile |
| CN203460926U (en) * | 2013-07-05 | 2014-03-05 | 上汽通用五菱汽车股份有限公司 | Integral steering knuckle |
| CN204736657U (en) * | 2015-07-10 | 2015-11-04 | 安徽安凯福田曙光车桥有限公司 | Be applicable to among heavy truck tractor and front axle front axle for assembly for tipper |
| CN205588885U (en) * | 2016-05-14 | 2016-09-21 | 三环集团有限公司 | Car disc brake front axle assemble |
-
2016
- 2016-05-14 CN CN201610320914.5A patent/CN105946452A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD129637A1 (en) * | 1977-01-31 | 1978-02-01 | Herbert Huebner | CLOSURE FOR SWIVEL BEARING DRILLING OF A AXLE THREAD |
| DD129637B1 (en) * | 1977-01-31 | 1982-08-25 | Herbert Huebner | CLOSURE FOR SWIVEL BEARING DRILLING OF A AXLE THREAD |
| CN1249255A (en) * | 1998-09-30 | 2000-04-05 | 达纳公司 | Closed cell foam inlay for main pin/knuckle arm assembly |
| KR200409531Y1 (en) * | 2005-11-25 | 2006-03-03 | 이근배 | Light weight Front axle for commercial vehicle |
| CN201154734Y (en) * | 2007-10-16 | 2008-11-26 | 中国重汽集团济南技术中心有限公司 | Front steering axle for automobile |
| CN203460926U (en) * | 2013-07-05 | 2014-03-05 | 上汽通用五菱汽车股份有限公司 | Integral steering knuckle |
| CN204736657U (en) * | 2015-07-10 | 2015-11-04 | 安徽安凯福田曙光车桥有限公司 | Be applicable to among heavy truck tractor and front axle front axle for assembly for tipper |
| CN205588885U (en) * | 2016-05-14 | 2016-09-21 | 三环集团有限公司 | Car disc brake front axle assemble |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199829A (en) * | 2017-05-31 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | A kind of automobile front axle front axle structures |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |