CN205588894U - Automotive drum stopper front axle assemble - Google Patents
Automotive drum stopper front axle assemble Download PDFInfo
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- CN205588894U CN205588894U CN201620437157.5U CN201620437157U CN205588894U CN 205588894 U CN205588894 U CN 205588894U CN 201620437157 U CN201620437157 U CN 201620437157U CN 205588894 U CN205588894 U CN 205588894U
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- front axle
- knuckle
- shaft hole
- hole
- brake
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model provides an automotive drum stopper front axle assemble, includes front axle (1), its characterized in that: one or more fretwork hole (2) has been seted up on the web of front axle (1), the opposite side of knuckle (3) is installed and is controlled arm (9), the middle part of controlling arm (9) is provided with middle articulated shaft hole (16), the one end of controlling arm (9) is rod connecting hole (15), the other end of controlling arm (9) is for assisting connecting shaft hole (17), it subtracts heavy notch (18) to have offered on the arm body about between middle articulated shaft hole (16) and supplementary connecting shaft hole (17), seted up between the adjacent bolt hole of stopper wheel hub (5) outward flange and subtracted a heavy breach (19), the utility model discloses improved design has been carried out to structure to knuckle and drag link, has improved performance to still carry out effectual subtracting to main spare part and weighed, accorded with the requirement of lightweight design, directly alleviateed car front axle's whole weight, be favorable to improving car travelling performance.
Description
Technical field
This utility model relates to a kind of front axle assy, particularly relates to a kind of automobile drum brake front axle assy, belongs 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 drum brake propons Optimal improvements all the time is less, existing drum 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
The purpose of this utility model is bigger for existing drum brake front axle assy overall weight, 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 automobile drum brake front axle assy of running car performance.
nullFor achieving the above object，Technical solution of the present utility model is: a kind of automobile drum 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, brake wheel hub is installed，Brake drum and brake assembly it is separately installed with on brake wheel hub，Brake assembly is connected with brake chamber，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，Curved loss of weight breach is offered between the bolt hole that described brake wheel hub outward flange is adjacent，On brake wheel hub and be positioned at loss of weight breach and offer ladder lightening grooves near the side of central shaft hole.
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 1/5-1/2 that groove depth is loss of weight notch depth of described ladder lightening grooves, the inner side end circumference of brake wheel hub is evenly arranged with multiple fixed claw.
The beneficial effects of the utility model are:
1. this utility model 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. this utility model 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.
3. this utility model offers curved loss of weight breach between the bolt hole that brake wheel hub outward flange is adjacent, the also inner side at loss of weight breach offers ladder lightening grooves, achieve the effective loss of weight to brake wheel hub, 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 structural representation of the present utility model.
Fig. 2 is the structural representation after this utility model assembles.
Fig. 3 is the structural representation of this utility model knuckle.
Fig. 4 is the front schematic view of this utility model left and right arms.
Fig. 5 is the side schematic view of this utility model left and right arms.
Fig. 6 is the schematic diagram after this utility model left and right arms indicates H and h.
Fig. 7 is the structural representation of this utility model knuckle arm.
Fig. 8 is the side schematic view of this utility model knuckle arm.
Fig. 9 is the front schematic view of this utility model brake wheel hub.
Figure 10 is the schematic rear view of this utility model brake wheel hub.
Figure 11 is the sectional view of this utility model brake wheel hub.
In figure: front axle 1, hollow hole 2, knuckle 3, stub 4, brake wheel hub 5, brake drum 6, brake assembly 7, brake chamber 8, left and right arms 9, drag link 10, knuckle arm 11, needle bearing 12, stub oil fill plug 13, lightening grooves 14, loss of weight groove width d, arm width D, pull bar connecting hole 15, middle hinged axis hole 16, assists connecting shaft hole 17, loss of weight notch 18, intermediate shaft hole depth H, asessory shaft hole depth h, loss of weight breach 19, ladder lightening grooves 20, fixed claw 21.
Detailed description of the invention
Illustrate with detailed description of the invention, this utility model to be described in further detail below in conjunction with accompanying drawing.
nullSee Fig. 1 to Figure 11，A kind of automobile drum brake front axle assy of the present utility model，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, brake wheel hub 5 is installed，Brake drum 6 and brake assembly 7 it is separately installed with on brake wheel hub 5，Brake assembly 7 is connected with brake chamber 8，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 13 is connected with knuckle 3 by described screw thread，Pump nozzle assembly is installed on stub oil fill plug 13，The side of knuckle 3 is provided with knuckle arm 11，Knuckle arm 11 offers lightening grooves 14 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 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，Loss of weight notch 18 is offered on left and right arms body between middle hinged axis hole 16 and auxiliary connecting shaft hole 17，The asessory shaft hole depth h at auxiliary connecting shaft hole 17 place is less than the intermediate shaft hole depth H at middle hinged axis hole 16 place，The installed surface that middle hinged axis hole 16 is installed mutually with auxiliary connecting shaft hole 17 and knuckle 3 is in same level，It is connected by drag link 10 between two relative left and right arms 9，Curved loss of weight breach 19 is offered between the bolt hole that described brake wheel hub 5 outward flange is adjacent，On brake wheel hub 5 and be positioned at loss of weight breach 19 and offer ladder lightening grooves 20 near the side of central shaft hole.
The 1/5-3/5 that the degree of depth is knuckle arm 11 thickness of described lightening grooves 14, 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 10 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 12 in described kingpin bore, and needle bearing 12 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 13 protruding, the outside of outer-hexagonal projection is provided with grease nipple.
The 1/5-1/2 that groove depth is loss of weight breach 19 degree of depth of described ladder lightening grooves 20, the inner side end circumference of brake wheel hub 5 is evenly arranged with multiple fixed claw 21.
As shown in accompanying drawing 1 to accompanying drawing 11, 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 knuckle 3 of the present utility model, 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.
Being provided with brake wheel hub 5 on installation axle outside knuckle 3, brake wheel hub 5 is separately installed with brake drum 6 and brake assembly 7, brake assembly 7 is connected with brake chamber 8.The side of knuckle 3 is provided with knuckle arm 11, this utility model 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.
This utility model has also carried out the design of effective loss of weight to brake wheel hub 5, curved loss of weight breach 19 is offered, on brake wheel hub 5 and be positioned at loss of weight breach 19 and offer ladder lightening grooves 20 near the side of central shaft hole between the bolt hole that brake wheel hub 5 outward flange is adjacent.The groove depth of ladder lightening grooves 5 is shallower, and the groove depth of ladder lightening grooves 20 is the 1/5-1/2 of loss of weight breach 19 degree of depth, and the inner side end circumference of brake wheel hub 5 is evenly arranged with multiple fixed claw 21, and fixed claw 21 can play fixation.Brake wheel hub after loss of weight remains able to centered by the axis hole of brake wheel hub 5 symmetrical, does not haves distribution of weight uneven, and the phenomenon of galloping at utmost alleviates the weight of brake wheel hub, meets the requirement of light-weight design.
This utility model is rational in infrastructure, not only the structure of knuckle 3 and drag link 10 is carried out Curve guide impeller, but also brake wheel hub 5, left and right arms 9 and knuckle arm 11 have been carried out effective loss of weight, at utmost alleviate brake wheel hub 5, 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 (7)
- null1. an automobile drum brake front axle assy，Including front axle (1)，Front axle (1) two ends are connected with knuckle (3) by stub (4) respectively，On the installation axle in knuckle (3) outside, brake wheel hub (5) is installed，Brake drum (6) and brake assembly (7) it is separately installed with on brake wheel hub (5)，Brake assembly (7) is connected with brake chamber (8)，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 (13) is connected with knuckle (3) by described screw thread，Stub oil fill plug is provided with pump nozzle assembly on (13)，The side of knuckle (3) is provided with knuckle arm (11)，Knuckle arm (11) offers lightening grooves (14) 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 (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)，Loss of weight notch (18) is offered on left and right arms body between middle hinged axis hole (16) and auxiliary connecting shaft hole (17)，Asessory shaft hole depth (h) at auxiliary connecting shaft hole (17) place is less than the intermediate shaft hole degree of depth (H) at middle hinged axis hole (16) place，The installed surface that middle hinged axis hole (16) is installed mutually with auxiliary connecting shaft hole (17) and knuckle (3) is in same level，It is connected by drag link (10) between two relative left and right arms (9)，Curved loss of weight breach (19) is offered between the bolt hole that described brake wheel hub (5) outward flange is adjacent，Brake wheel hub (5) is gone up and is positioned at loss of weight breach (19) and offers ladder lightening grooves (20) near the side of central shaft hole.
- A kind of automobile drum brake front axle assy the most according to claim 1, it is characterised in that: the degree of depth of described 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).
- A kind of automobile drum 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 automobile drum brake front axle assy the most according to claim 1, it is characterised in that: the two ends of described drag link (10) are respectively arranged with bulb attachment structure, and the spherical surface roughness of bulb is Ra0.8-Ra1.6.
- A kind of automobile drum brake front axle assy the most according to claim 1, it is characterised in that: it is provided with needle bearing (12) in described kingpin bore, and needle bearing (12) is positioned between stub (4) and kingpin bore.
- A kind of automobile drum 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 (13) protruding, the outside of outer-hexagonal projection is provided with grease nipple.
- A kind of automobile drum brake front axle assy the most according to claim 1, it is characterized in that: the 1/5-1/2 that groove depth is loss of weight breach (19) degree of depth of described ladder lightening grooves (20), the inner side end circumference of brake wheel hub (5) is evenly arranged with multiple fixed claw (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620437157.5U CN205588894U (en) | 2016-05-14 | 2016-05-14 | Automotive drum stopper front axle assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620437157.5U CN205588894U (en) | 2016-05-14 | 2016-05-14 | Automotive drum stopper front axle assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205588894U true CN205588894U (en) | 2016-09-21 |
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ID=56930903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620437157.5U Active CN205588894U (en) | 2016-05-14 | 2016-05-14 | Automotive drum stopper front axle assemble |
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| Country | Link |
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| CN (1) | CN205588894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799419A (en) * | 2016-05-14 | 2016-07-27 | 三环集团有限公司 | Front axle assembly of automobile drum brake |
| CN106739808A (en) * | 2016-12-23 | 2017-05-31 | 方盛车桥（柳州）有限公司 | Automobile front axle assembly |
-
2016
- 2016-05-14 CN CN201620437157.5U patent/CN205588894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799419A (en) * | 2016-05-14 | 2016-07-27 | 三环集团有限公司 | Front axle assembly of automobile drum brake |
| CN106739808A (en) * | 2016-12-23 | 2017-05-31 | 方盛车桥（柳州）有限公司 | Automobile front axle assembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |