CN105501310A - Fender bracket used for heavy-duty vehicle - Google Patents
Fender bracket used for heavy-duty vehicle Download PDFInfo
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- CN105501310A CN105501310A CN201410489107.7A CN201410489107A CN105501310A CN 105501310 A CN105501310 A CN 105501310A CN 201410489107 A CN201410489107 A CN 201410489107A CN 105501310 A CN105501310 A CN 105501310A
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- base
- pedestal
- connecting portion
- bend pipe
- motor vehicle
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Abstract
The invention provides a fender bracket used for a heavy-duty vehicle. The fender bracket comprises a base and an elbow used to install a fender. The base comprises a chassis and a base connecting portion. The base connecting portion comprises a cylindrical connecting body and a truncated cone-shaped connecting body. The chassis and the truncated cone-shaped connecting body are respectively arranged on two ends of the cylindrical connecting body. One end of the elbow is provided with elbow connecting portions which are used to cooperate with the cylindrical connecting body and the truncated cone-shaped connecting body. The elbow connecting portions is in interference fit with the cylindrical connecting body and the truncated cone-shaped connecting body. The chassis on the periphery of the base connecting portion is provided with installing holes. The chassis comprises a chassis soleplate and a first step and a second step arranged on the chassis soleplate. The first step, the second step, and the end of the elbow connecting portion form an annular beveled edge. The elbow and the base are welded and connected through the annular beveled edge. The scheme is firm in installation, and high in use reliability, and overcomes problems in the prior art of vulcanized rubber cracking, bracket breaking, and shaft rotation. The fender bracket is simple in structure and easy for popularization and use.
Description
Technical field
The present invention relates to vehicular spare parts field, specifically a kind of heavy motor vehicle splash apron bracket.
Background technology
For existing heavy motor vehicle, particularly engineering automobiles, its working environment complex, in view of the complexity of condition of road surface, vehicle tail vibration intensity is large, and the splash apron bracket moment of automobile is all subject to up and down, the impulsive force of fore-and-aft direction.In addition, mud guard quality is comparatively large, and the particularly rainy day in winter, earth ice and snow mud guard getting rid of band makes splash apron bracket bear larger impact load.
And splash apron bracket of the prior art, most employing is welded or sulfuration process.Polysulphide rubbers is easily aging again, and existing splash apron bracket often there will be polysulphide rubbers cracking in various degree in a short time; And for above-mentioned welding, in view of bonding area is relatively little, under the effect of above-mentioned impulsive force, existing splash apron bracket often there will be fracture and the problem that turns of axle in a short time.This is the deficiencies in the prior art part.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art part, a kind of technical scheme of heavy motor vehicle splash apron bracket is provided, the program is installed firmly, reliability of service is high, not only can overcome the problem that polysulphide rubbers cracking in prior art, support fracture and axle turn, and structure is simple, is convenient to promote the use of.
In order to solve the problems of the technologies described above, the invention provides following a kind of heavy motor vehicle splash apron bracket, comprise base and the bend pipe for installing mud guard, one end of bend pipe is arranged on base, described base comprises pedestal and base connecting portion, base connecting portion comprises cylindrical connector and truncated cone-shaped connector, and pedestal and truncated cone-shaped connector are located at the two ends of cylindrical connector respectively; Described bend pipe for be arranged on one end on base with described cylindrical connector and truncated cone-shaped connector with the use of bend pipe connecting portion, bend pipe connecting portion and cylindrical connector and truncated cone-shaped connector interference fit; The pedestal of base connecting portion periphery is provided with mounting hole.
Wherein, first, the bend pipe connecting portion of bend pipe with the base connecting portion interference fit of base before be pre-formed as conical gradual change structure, effectively can eliminate the problem that bracket end stress is concentrated; And base and bend pipe are by base connecting portion and bend pipe connecting portion interference fit, this can increase the intensity of bend pipe to a certain extent, and then strengthens the reliability of the present invention's use.
End and the base connecting portion of described bend pipe connecting portion are welded to connect.Bend pipe is connected with base interference, and the end of bend pipe connecting portion of bend pipe and the pedestal of base are welded to connect, and this can be avoided the problem that in splash apron bracket use procedure, easy axle turns, and also can improve the reliability that splash apron bracket uses simultaneously.
Described pedestal comprises pedestal mount pad and the first step be arranged on pedestal mount pad and second step, first step is connected with pedestal mount pad, second step is connected with cylindrical connector, first step, second step and cylindrical connector are coaxial, the end of first step, second step and bend pipe connecting portion surrounds a ring-type groove, and bend pipe is connected by ring-type groove welding with base; Described mounting hole is arranged on the pedestal mount pad of first step periphery.
The quantity of described mounting hole is three, three mounting hole distributions triangular in shape.Adopt 3 mounting meanss to carry out the installation of splash apron bracket, install stable, can prevent splash apron bracket from causing loosening of hold-down bolt because of vibration.
Three mounting holes are equilateral triangle distribution, hold-down bolt can be made stressed evenly, thus splash apron bracket can be avoided because of vibration further to cause loosening of hold-down bolt, install more firm.
Described pedestal mount pad is triangular in shape, and three summits of pedestal mount pad are vertically provided with a boss respectively, and three boss are positioned at the same side of pedestal, and three boss and cylindrical connector are separately positioned on the both sides of pedestal; Three described mounting holes lay respectively on three summits of pedestal, and each mounting hole is each passed through the boss on its summit, place.
Described pedestal mount pad and the junction of first step are provided with arc-shaped transition section.
Described cylindrical connector and the junction of truncated cone-shaped connector are provided with arc-shaped transition section.
The use of above-mentioned each arc-shaped transition section, not only alleviates the weight of splash apron bracket, also eliminates the problem that splash apron bracket Root Stress is concentrated.
Described base is axially symmetric structure, and described base is in axial direction provided with through hole.
Described through hole is back taper through hole.The use of back taper through hole, not only can alleviate the weight of splash apron bracket, also can strengthen the bending strength of splash apron bracket root to a certain extent, thus increases the reliability of the present invention's use.
Compared with prior art, the invention has the advantages that:
(1) base of the present invention and bend pipe are by base connecting portion and bend pipe connecting portion interference fit, increase the area of contact of bend pipe and base, thus the friction force increased between bend pipe and base, this can overcome rotating shaft of the prior art and polysulphide rubbers problems of crack to a certain extent; In addition, base connecting portion of the present invention comprises cylindrical connector and truncated cone-shaped connector grading structure, is conducive to eliminating the concentrated problem of support Root Stress, thus strengthens the reliability used.
(2) bend pipe of the present invention is connected with base interference, and the end of bend pipe connecting portion of bend pipe and the pedestal of base are welded to connect, and this can be avoided the problem that in splash apron bracket use procedure, easy axle turns, and also can improve the reliability that splash apron bracket uses simultaneously.
(3) bend pipe of the present invention is connected by ring-type groove welding with base, wherein, the use of ring-type groove, the bonding area of bend pipe and base can be increased, this can increase the intensity of welding to a great extent, and be connected with interference with the use of, can solve that axle of the prior art turns further, support fracture and polysulphide rubbers problem of Cracking, comparatively practical.
(4) the present invention is provided with three mounting holes on base, and three mounting holes are equilateral triangle distribution, during use, by these three mounting holes, the present invention is arranged on vehicle frame, installs firm, and make the present invention when unitary rotation certain angle, still normal mounting can be carried out, namely can rotate according to actual needs the position regulating bend pipe in installation process, make of the present invention being arranged on to a certain extent not by the restriction of assembly space, thus increase the alerting ability of the present invention's use; In addition, mounting hole is equilateral triangle distribution, and it is evenly bolt strained that this can make in three mounting holes, thus can the generation of the actv. phenomenon of avoiding above-mentioned bolt loosening because of vibration, and this can increase the reliability that the present invention uses to a great extent.
(5) pedestal mount pad of the present invention is triangular in shape, alleviate the weight of splash apron bracket, be convenient to install, and three of pedestal mount pad summits are respectively equipped with a boss, three mounting holes lay respectively on three summits of pedestal mount pad, and each mounting hole is each passed through the boss on its summit, place, the use of boss, add the length of mounting hole, thus add the regular length of hold-down bolt, effectively can prevent loosening of hold-down bolt, and then the reliability of the present invention's use can be strengthened.
(6) junction of pedestal mount pad and first step is set to arc-shaped transition section and/or the junction of cylindrical connector and truncated cone-shaped connector is set to arc-shaped transition section by the present invention, the use of arc-shaped transition section, the problem of stress concentration eliminating corresponding junction can be respectively used to, and the weight of splash apron bracket can be alleviated to a certain extent, this can be avoided the fracture of splash apron bracket to a certain extent, can strengthen the reliability that the present invention uses further.
(7) the present invention is in axial direction provided with through hole on base, not only can alleviate the weight of splash apron bracket, also can strengthen the bending strength of splash apron bracket root to a certain extent, thus increases the reliability of the present invention's use.
As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be Fig. 1 analyse and observe partial enlarged view.
Fig. 3 is the structural representation of base in Fig. 1.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the using state figure of Fig. 1.
Wherein: 1, bend pipe, 2, pedestal mount pad, 3, mounting hole, 4, truncated cone-shaped connector, 5, first step, 6, cylindrical connector, 7, through hole, 8, arc-shaped transition section, 9, base, 10, vehicle frame, 11, mud guard, 12, bolt, 13, nut, 14, second step, 15, ring-type groove, 16, boss, 17, bend pipe connecting portion.
Detailed description of the invention
For ease of illustrating, below in conjunction with accompanying drawing, the present invention is described in further detail.
As Figure 1-4, a kind of heavy motor vehicle splash apron bracket of the present invention, comprise base 9 and the bend pipe 1 for installing mud guard, one end of bend pipe 1 is arranged on base 9, described base 9 comprises pedestal and base connecting portion, base connecting portion comprises cylindrical connector 6 and truncated cone-shaped connector 4, and pedestal and truncated cone-shaped connector 4 are located at the two ends of cylindrical connector 6 respectively; Described bend pipe 1 for be arranged on one end on base 9 with described cylindrical connector 6 and truncated cone-shaped connector 4 with the use of bend pipe connecting portion 17, bend pipe connecting portion 17 and cylindrical connector 6 and truncated cone-shaped connector 4 interference fit; The pedestal of base connecting portion periphery is provided with mounting hole 3.Described cylindrical connector 6 is provided with arc-shaped transition section with the junction of truncated cone-shaped connector 4.Wherein, from cylindrical connector 6 one end outwards, the diameter of truncated cone-shaped connector 4 reduces gradually, is conducive to eliminating the concentrated problem of support stress, thus strengthens the reliability used.
Wherein, the interference fit of bend pipe connecting portion 17 and cylindrical connector 6 and truncated cone-shaped connector 4, add bending strength of the present invention, and the friction force between bend pipe and base, largely avoid support of the prior art fracture, polysulphide rubbers cracking and rotating shaft problem.
In the present embodiment, described pedestal comprises pedestal mount pad 2 and the first step 5 be arranged on pedestal mount pad 2 and second step 14, first step 5 is connected with pedestal mount pad 2, second step 14 is connected with pedestal mount pad 2 by first step 5, second step 14 is connected with cylindrical connector 6, first step 5, second step 14 and cylindrical connector 6 and truncated cone-shaped connector 4 coaxial.Second step 14 is for bend pipe 1 axial limiting, and the end of bend pipe connecting portion 17, first step 5 and second step 14 surround a ring-type groove 15, and bend pipe 1 and base 9 are welded to connect by ring-type groove 15, thus increases weld strength.Described mounting hole 3 is arranged on the pedestal mount pad 2 of first step 5 periphery.Described pedestal mount pad 2 is provided with arc-shaped transition section 8 with the junction of first step 5.And the end of bend pipe connecting portion 17 and base connecting portion adopt all lap weldings to be welded to connect, connect more reliable.
In the present embodiment, the quantity of described mounting hole 3 is three, three mounting hole 3 distributions in equilateral triangle.Described pedestal mount pad 2 is triangular in shape, three summits of pedestal mount pad 2 is vertically provided with respectively the same side that a boss 16, three boss 16 are positioned at pedestal, and three boss 16 and cylindrical connector 6 are separately positioned on the both sides of pedestal; Three described mounting holes 3 lay respectively on three summits of pedestal, and each mounting hole 3 is each passed through the boss 16 on its summit, place.Wherein, the boss 16 in present embodiment is cylindrical boss.
In the present embodiment, described base 9 is axially symmetric structure, and described base 9 is in axial direction provided with through hole 7, and described through hole 7 is back taper through hole.Back taper through hole is successively through described pedestal mount pad 2, first step 5, second step 14, cylindrical connector 6 and truncated cone-shaped connector 4.For increasing intensity of the present invention further, improve anti-impact force performance of the present invention, described base 9, i.e. the forging of pedestal mount pad 2, first step 5, second step 14, cylindrical connector 6 and truncated cone-shaped connector 4 one.
In addition, in the present embodiment, the material of bend pipe 1 is smart tube drawing 20-50 × 3, according to different vehicles and vehicle frame 10 width, can change angle of bend and the length of bend pipe 1, thus realize the commonality of splash apron bracket.
Wherein, truncated cone-shaped connector 4 is inserted the bend pipe connecting portion 17 of bend pipe 1, by press-loading device, the truncated cone-shaped connector 4 of base 9 and cylindrical connector 6 are extruded in the bend pipe connecting portion 17 of force fit bend pipe 1 in the lump, until the open end of bend pipe connecting portion 17 touches second step 14, bend pipe connecting portion 17, between first step 5 and second step 14, surround a ring-type groove 15.Afterwards, welded by bend pipe 1 with base 9 by above-mentioned ring-type groove 15, welding contact surface area is large, and the intensity of welding is large, uses more reliable.
During use, as shown in Figure 5, by bolt 12, nut 13 and mounting hole 3, splash apron bracket is fixed on vehicle frame 10, and mud guard 11 is fixed on bend pipe 1 by the catch gear that it carries, namely complete installation, structure is simple, easy for installation, is convenient to promote the use of.
To sum up, the present invention installs firmly, reliability of service is high, not only can overcome the problem that polysulphide rubbers cracking in prior art, support fracture and axle turn, and structure is simple, is convenient to promote the use of.
The above, it is only better embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention in a preferred embodiment thereof openly as above, but, and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly the technology contents of announcement can be utilized to make a little change or modification, become the equivalent implementations of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (10)
1. a heavy motor vehicle splash apron bracket, comprise base and the bend pipe for installing mud guard, one end of bend pipe is arranged on base, it is characterized in that: described base comprises pedestal and base connecting portion, base connecting portion comprises cylindrical connector and truncated cone-shaped connector, and pedestal and truncated cone-shaped connector are located at the two ends of cylindrical connector respectively; Described bend pipe for be arranged on one end on base with described cylindrical connector and truncated cone-shaped connector with the use of bend pipe connecting portion, bend pipe connecting portion and cylindrical connector and truncated cone-shaped connector interference fit; The pedestal of base connecting portion periphery is provided with mounting hole.
2. heavy motor vehicle splash apron bracket according to claim 1, is characterized in that: end and the base connecting portion of described bend pipe connecting portion are welded to connect.
3. heavy motor vehicle splash apron bracket according to claim 1 and 2, it is characterized in that: described pedestal comprises pedestal mount pad and the first step be arranged on pedestal mount pad and second step, first step is connected with pedestal mount pad, second step is connected with cylindrical connector, first step, second step and cylindrical connector are coaxial, the end of first step, second step and bend pipe connecting portion surrounds a ring-type groove, and bend pipe is connected by ring-type groove welding with base; Described mounting hole is arranged on the pedestal mount pad of first step periphery.
4. heavy motor vehicle splash apron bracket according to claim 3, is characterized in that: the quantity of described mounting hole is three, three mounting hole distributions triangular in shape.
5. heavy motor vehicle splash apron bracket according to claim 4, is characterized in that: three mounting holes are equilateral triangle distribution.
6. heavy motor vehicle splash apron bracket according to claim 5, it is characterized in that: described pedestal mount pad is triangular in shape, three summits of pedestal mount pad are vertically provided with a boss respectively, three boss are positioned at the same side of pedestal, and three boss and cylindrical connector are separately positioned on the both sides of pedestal; Three described mounting holes lay respectively on three summits of pedestal, and each mounting hole is each passed through the boss on its summit, place.
7. heavy motor vehicle splash apron bracket according to claim 6, is characterized in that: described pedestal mount pad and the junction of first step are provided with arc-shaped transition section.
8. heavy motor vehicle splash apron bracket according to claim 7, is characterized in that: described cylindrical connector and the junction of truncated cone-shaped connector are provided with arc-shaped transition section.
9. heavy motor vehicle splash apron bracket according to claim 8, is characterized in that: described base is axially symmetric structure, and described base is in axial direction provided with through hole.
10. heavy motor vehicle splash apron bracket according to claim 9, is characterized in that: described through hole is back taper through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489107.7A CN105501310A (en) | 2014-09-23 | 2014-09-23 | Fender bracket used for heavy-duty vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489107.7A CN105501310A (en) | 2014-09-23 | 2014-09-23 | Fender bracket used for heavy-duty vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105501310A true CN105501310A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410489107.7A Pending CN105501310A (en) | 2014-09-23 | 2014-09-23 | Fender bracket used for heavy-duty vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN105501310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588797A (en) * | 2019-10-23 | 2019-12-20 | 安徽华菱汽车有限公司 | Fender support device and machining method thereof |
-
2014
- 2014-09-23 CN CN201410489107.7A patent/CN105501310A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588797A (en) * | 2019-10-23 | 2019-12-20 | 安徽华菱汽车有限公司 | Fender support device and machining method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |