CN101571172A - Dustproof mechanism of automobile braking adjusting arm - Google Patents
Dustproof mechanism of automobile braking adjusting arm Download PDFInfo
- Publication number
- CN101571172A CN101571172A CNA2009100992896A CN200910099289A CN101571172A CN 101571172 A CN101571172 A CN 101571172A CN A2009100992896 A CNA2009100992896 A CN A2009100992896A CN 200910099289 A CN200910099289 A CN 200910099289A CN 101571172 A CN101571172 A CN 101571172A
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- dust
- proof cover
- stopper ring
- housing
- proof
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Abstract
The invention provides a dustproof mechanism of an automobile braking adjusting arm, and belongs to the technical field of machinery. The dustproof mechanism solves the problems that the combination of the dustproof cap and the adjusting shaft of the existing automobile braking adjusting arm is infirm and easy to loosen. The dustproof mechanism of the automobile braking adjusting arm of the invention is characterized in that the adjusting arm comprises a casing body and an adjusting shaft which is arranged in the casing body; one end of the adjusting shaft penetrates through the casing body, and a stop ring and a spring are arranged between the adjusting shaft and the casing body; both ends of the spring are respectively against the casing body and the stop ring; the dustproof mechanism comprises a dustproof cover, wherein, the dustproof cover can be sheathed on the outside of the stop ring; and an anti-drop off mechanism capable of preventing the dustproof cover to drop off is arranged between the dustproof cover and the stop ring, or between the dustproof cover and the casing body. The dustproof mechanism adopts the anti-drop off mechanism to enhance the firmness of the dustproof cover, and the dustproof cover can not drop off when the automobile bumps, so the service life of the adjusting arm is prolonged. One end surface of the convex ring of the dustproof mechanism is level with the outer end surface of the stop ring, which is helpful to stable force of the adjusting tool.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the dust-proof mechanism of a kind of automobile braking adjusting arm, particularly a kind of automobile braking adjusting arm.
Background technique
Automotive brake is one of vitals on the automobile, and automobile often needs to use continually break in the process of moving.Brake shoe on the break increases gradually because of the gap between wearing and tearing and the brake drum, thereby causes braking retardation, sideslip, poor stop, brake not to wait simultaneously.Braking adjusting arm on the break is used for regulating the vitals in brake shoe gap just, because of dust easily causes wearing and tearing in going into, influence usability, if braking adjusting arm can not be regulated the gap of brake drum and brake shoe exactly, cause the braking degree of accuracy to reduce, sideslip, the phenomenon of wagging the tail can take place during automobile brake.
At present, grease fitting on the braking adjusting arm all is exposed to extraneous with an adjustment axle outer end, do not have good dust prevention, cause automobile in the process of moving, a large amount of dusts and impurity enter braking adjusting arm inside by the gap between grease fitting mouth and adjustment axle and the axis hole.For a long time in the past, the impurity and the dust of deposition have not only stopped up grease fitting, can't add lubricant oil effectively, adjust the validity that arm is regulated gap between brake drum and the brake shoe but also can have influence on, bring potential safety hazard to driving, even the initiation traffic accident, regularly clean unrealistic also very inconvenient to adjusting arm inside.
In order to solve the problem of above-mentioned existence, once the someone had proposed a kind of dust-proof cover [China Patent No.: ZL200620046679.9 of automobile braking adjusting arm; Notice of authorization CN201013809Y], this dust-proof cover is arranged at the place, adjustment axle outer end that adjusts the arm body sidepiece, dust-proof cover is one and is banded body, is provided with dust cap one and is used for fixing the circular hole that dust-proof cover is used on body, and the internal diameter of dust cap one matches with the size of adjusting place, axle outer end.Though above-mentioned scheme has reached certain dustproof effect, but still exist certain defective: though 1 dust cap one has adopted drive fit with an adjustment axle outer end, but it is abominable to adjust arm residing location circumstances in automobile, jolt for a long time, so dust cap is once dropping from adjusting axle, and can not in time find after dropping, make that again this adjustment arm loses due dust reduction capability.2, this dust-proof cover adopts rubber material to make, and under rugged environment, rubber material is as easy as rolling off a log aging, and aging rubber does not have elasticity, drops from adjusting axle so this dust-proof cover is as easy as rolling off a log, thereby has reduced working life greatly.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind ofly can improve the fixing fastness of dust-proof cover, make the dust-proof mechanism of its automobile braking adjusting arm that can not come off at existing technology.
Purpose of the present invention can realize by following technical proposal: a kind of dust-proof mechanism of automobile braking adjusting arm, this adjustment arm comprises housing and is arranged on the interior adjustment axle of housing, an end of adjusting axle passes housing and be provided with stopper ring and spring between adjustment axle and housing, the two ends of spring are resisted against respectively on housing and the stopper ring, it is characterized in that, this dust-proof mechanism comprises dust-proof cover, this dust-proof cover can be placed in outside the stopper ring, is being provided with the disconnecting prevention structure that can prevent that dust-proof cover from coming off between dust-proof cover and the stopper ring or between dust-proof cover and the housing.
Be arranged on the outer dust-proof cover of stopper ring and can prevent effectively that dust from entering in the housing between stopper ring and the housing and the gap between stopper ring and the adjustment axle, improves its working life.After disconnecting prevention structure is set, can effectively avoid dropping because of automobile bumpiness makes dust-proof cover.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described disconnecting prevention structure comprises the protruding circle that has on the dust-proof cover inwall, is provided with the bulge loop that can form clamping with protruding circle on stopper ring.The interface arrangment Placement is simple, and its degree of being connected firmly can satisfy automobile to be prevented to come off on the road that jolts.When the edge was located in the protruding circle of dust-proof cover is buckled in the protruding circle of stopper ring, the end face of dust-proof cover was resisted against on the housing, and the bottom surface of dust-proof cover is resisted against the outer end of adjusting axle.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described bulge loop is positioned on the outer surface of stopper ring.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, an end face of described bulge loop flushes with the exterior edge face of stopper ring.The exterior edge face of bulge loop flushes with the exterior edge face of stopper ring, this stopper ring is compared the area that has increased its exterior edge face with existing stopper ring, so this bulge loop can form with protruding circle on the one hand and connect and fix dust cover, need press stopper ring by the adjustment instrument when adjustment instrument rotate to be adjusted axle on the other hand, can make this moment between adjustment instrument and the stopper ring lifting surface area bigger, put forth effort more stable.
As the another kind of implementation of above-mentioned scheme, its principle is that dust-proof cover is by being threaded on the stopper ring.In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described disconnecting prevention structure comprises the screw thread that has on the stopper ring outer wall, and dust-proof cover is by being threaded on the stopper ring, and an end face of dust-proof cover is resisted against on the housing.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described disconnecting prevention structure comprises the protruding circle that has on the dust-proof cover inwall, is provided with the bulge loop that can form clamping with protruding circle on housing.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described dust-proof cover adopts elastic material to make.Because be that clamping cooperation and stopper ring are to adopt metallic material to make between dust-proof cover and the stopper ring, dust-proof cover adopts elastic solid material to make, this kind material is easy to generate distortion, thereby can be located on the stopper ring by the convenient dust-proofing enclosure.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described dust-proof cover adopts rubber or plastic materials to make.Above-mentioned material all have on the one hand excellent waterproof, anticorrosion, be difficult for effect aging, easy-formation, it is easily manufactured durable in use again making this dust-proof cover, thereby improves the working life of adjusting arm integral body.Have certain elasticity on the other hand, dust-proof cover can be enclosed within on the stopper ring more tightly.
In the dust-proof mechanism of above-mentioned automobile braking adjusting arm, described dust-proof cover is provided with fixed strip, and this fixed strip is fixed on the housing.Fixed strip is set prevents that automobile bumpiness from causing the dust-proof cover landing and lose or take off dust-proof cover and the careless loss that causes when adjust adjusting arm.
Compared with prior art, the dust-proof mechanism of this automobile braking adjusting arm adopts the fixing fastness of disconnecting prevention structure raising dust-proof cover is set, and it can not come off when automobile bumpiness, thereby improved the working life of adjusting arm.One end face of the bulge loop in the dust-proof mechanism flushes with the exterior edge face of stopper ring, and it is more stable to help the adjustment instrument to put forth effort.The material that this dust-proof cover adopts has excellent waterproof, anticorrosion, difficult aging effect, makes it more durable in use, so also improved the working life of adjusting arm integral body.
Description of drawings
Fig. 1 is the structural representation of the dust-proof mechanism of this automobile braking adjusting arm.
Fig. 2 be this automobile braking adjusting arm dust-proof cover look up structural representation.
Fig. 3 is the sectional structure schematic representation of the dust-proof cover of this automobile braking adjusting arm.
Fig. 4 is the plan structure schematic representation of the dust-proof cover of this automobile braking adjusting arm.
Among the figure, 1, housing; 2, cover plate; 3, worm gear; 4, worm screw; 5, adjust axle; 6, stopper ring; 61, bulge loop; 7, dust-proof cover; 71, protruding circle; 8, the brim of a hat; 9, fixed strip; 91, circular hole; 10, oil nozzle dust cap; 11, oil nozzle; 12, spring.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this adjustment arm comprises housing 1 and the worm gear 3 and the worm screw 4 that are arranged in the housing 1, be equipped with on the worm screw 4 and adjust axle 5, an end of adjusting axle 5 passes housing 1 and be provided with stopper ring 6 and spring 12 between adjustment axle 5 and housing 1, and the two ends of spring 12 are resisted against respectively on housing 1 and the stopper ring 6.Also be provided with cover plate 2 and oil nozzle 11 on housing 1, dust-proof cover 7 can be placed in outside the stopper ring 6.
Between dust-proof cover 7 and housing 1, be provided with the disconnecting prevention structure that can prevent that dust-proof cover 7 from coming off, this disconnecting prevention structure comprises protruding circle 71 that is positioned on dust-proof cover 7 inwalls and the bulge loop 61 that is positioned on the housing 1, protruding circle 71 can form clamping with bulge loop 61 in the time of outside dust-proof cover 7 is placed in stopper ring 6, thereby with dust-proof cover 7 be fixed on the housing 1 hide simultaneously or sealing stopper ring 6 and housing 1 between and gap between stopper ring 6 and the adjustment spools 5, reach and prevent that dust from entering in the housing 1.
As above-mentioned another kind of scheme, between dust-proof cover 7 and stopper ring 6, be provided with the disconnecting prevention structure that can prevent that dust-proof cover 7 from coming off, this disconnecting prevention structure comprises the screw thread that has on stopper ring 6 outer walls, and dust-proof cover 7 is by being threaded on the stopper ring 6, and an end face of dust-proof cover 7 is resisted against on the housing 1.Though this structure can realize preventing that dust-proof cover 7 from dropping, and also exists tiny defective, it is inconvenient to be fastened on the adjustment arm housing 1.
As an optimized project of above-mentioned two schemes, this disconnecting prevention structure comprises protruding circle 71 that is positioned on dust-proof cover 7 inwalls and the bulge loop 61 that is positioned on the stopper ring 6.Protruding circle 71 can be positioned at the inboard that is resisted against bulge loop 61 and makes protruding circle 71 and bulge loop 61 form clampings in the time of outside dust-proof cover 7 is placed in stopper ring 6, thereby dust-proof cover 7 is fixed on the stopper ring 6, and an end face of this dust-proof cover 7 is resisted against on the housing 1.This moment dust-proof cover 7 hide or sealing stopper ring 6 and housing 1 between and the gap between stopper ring 6 and the adjustment spools 5, reach and prevent that dust from entering in the housing 1.
As shown in Figure 1, bulge loop 61 is positioned on the outer surface of stopper ring 6 and the exterior edge face of bulge loop 61 flushes with the exterior edge face of stopper ring 6.Because the exterior edge face of bulge loop 61 flushes with the exterior edge face of stopper ring 6, this stopper ring 6 is compared the area that has increased its exterior edge face with existing stopper ring 6, so this bulge loop 61 can make the adjustment instrument put forth effort more stable effect except that connecting and fixing the dust cover with protruding circle 71 formation, also having.
Owing to be that clamping cooperation and stopper ring 6 are to adopt metallic material to make between dust-proof cover 7 and the stopper ring 6, for dust-proof cover 7 can be set on the stopper ring 6, so dust-proof cover 7 needs to adopt elastic material to make, elastic solid material can be rubber or plastic or other material, wherein is preferably PVC in the plastic materials.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, this dust-proof cover 7 is the cap shape and its internal diameter matches with the size of the external diameter of stopper ring 6, protruding circle 71 quantity on the inwall of dust-proof cover 7 are one, when dust-proof cover 7 is placed in stopper ring 6 evagination circles 71 with bulge loop 61 formation clampings, the bottom surface of dust-proof cover 7 leans with the exterior edge face of adjusting axle 5, and the end face of dust-proof cover 7 and housing 1 lean.
Be fixed with the convenient the brim of a hat that dust-proof cover 7 is taken off from stopper ring 68 on the outer wall of dust-proof cover 7 and be used for dust-proof cover 7 is fixed on the fixed strip of adjusting on the arm housing 19.The brim of a hat 8 and fixed strip 9 lay respectively at the both sides of dust-proof cover 7 outer walls and are located along the same line, it is banded that above-mentioned fixed strip 9 is, on fixed strip 9, be provided with the circular hole 91 that is used for fixing dust-proof cover 7, oil nozzle 11 passes circular hole 91 fixed strip 9 is fixed on the sidepiece of adjusting arm housing 1, prevents that dust-proof cover 7 from dropping after stopper ring 6 takes off.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used housing 1 morely; Cover plate 2; Worm gear 3; Worm screw 4; Adjust axle 5; Stopper ring 6; Bulge loop 61; Dust-proof cover 7; Protruding circle 71; The brim of a hat 8; Fixed strip 9; Circular hole 91; Oil nozzle dust cap 10; Oil nozzle 11; Spring 12 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (9)
1, a kind of dust-proof mechanism of automobile braking adjusting arm, this adjustment arm comprises housing (1) and is arranged on the interior adjustment axle (5) of housing (1), an end of adjusting axle (5) passes housing (1) and be provided with stopper ring (6) and spring (12) between adjustment axle (5) and housing (1), the two ends of spring (12) are resisted against respectively on housing (1) and the stopper ring (6), it is characterized in that, this dust-proof mechanism comprises dust-proof cover (7), this dust-proof cover (7) can be placed in outside the stopper ring (6), is being provided with the disconnecting prevention structure that can prevent that dust-proof cover (7) from coming off between dust-proof cover (7) and the stopper ring (6) or between dust-proof cover (7) and the housing (1).
2, the dust-proof mechanism of automobile braking adjusting arm according to claim 1, it is characterized in that, described disconnecting prevention structure comprises the protruding circle (71) that has on dust-proof cover (7) inwall, is provided with the bulge loop (61) that can form clamping with protruding circle (71) on stopper ring (6).
3, the dust-proof mechanism of automobile braking adjusting arm according to claim 2 is characterized in that, described bulge loop (61) is positioned on the outer surface of stopper ring (6).
According to the dust-proof mechanism of claim 2 or 3 described automobile braking adjusting arms, it is characterized in that 4, an end face of described bulge loop (61) flushes with the exterior edge face of stopper ring (6).
5, the dust-proof mechanism of automobile braking adjusting arm according to claim 1, it is characterized in that, described disconnecting prevention structure comprises the screw thread that has on stopper ring (6) outer wall, and dust-proof cover (7) is by being threaded on the stopper ring (6), and an end face of dust-proof cover (7) is resisted against on the housing (1).
6, the dust-proof mechanism of automobile braking adjusting arm according to claim 1 is characterized in that, described disconnecting prevention structure comprises the protruding circle (71) that has on dust-proof cover (7) inwall, is provided with the bulge loop (61) that can form clamping with protruding circle (71) on housing (1).
According to the dust-proof mechanism of claim 2 or 5 or 6 described automobile braking adjusting arms, it is characterized in that 7, described dust-proof cover (7) adopts elastic material to make.
8, the dust-proof mechanism of automobile braking adjusting arm according to claim 7 is characterized in that, described dust-proof cover (7) adopts rubber or plastic materials to make.
According to the dust-proof mechanism of claim 7 or 8 described automobile braking adjusting arms, it is characterized in that 9, described dust-proof cover (7) is provided with fixed strip (9), this fixed strip (9) is fixed on the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100992896A CN101571172A (en) | 2009-06-01 | 2009-06-01 | Dustproof mechanism of automobile braking adjusting arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100992896A CN101571172A (en) | 2009-06-01 | 2009-06-01 | Dustproof mechanism of automobile braking adjusting arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101571172A true CN101571172A (en) | 2009-11-04 |
Family
ID=41230610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100992896A Pending CN101571172A (en) | 2009-06-01 | 2009-06-01 | Dustproof mechanism of automobile braking adjusting arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101571172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315048A (en) * | 2014-10-22 | 2015-01-28 | 中国重汽集团济南动力有限公司 | Novel manual adjustment cap |
| CN106168262A (en) * | 2014-09-30 | 2016-11-30 | 福建达福汽车零部件有限公司 | Hand-sensitive hand regulation arm |
-
2009
- 2009-06-01 CN CNA2009100992896A patent/CN101571172A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168262A (en) * | 2014-09-30 | 2016-11-30 | 福建达福汽车零部件有限公司 | Hand-sensitive hand regulation arm |
| CN106195074A (en) * | 2014-09-30 | 2016-12-07 | 福建达福汽车零部件有限公司 | Soft readjustment formula hand regulation arm |
| CN106168262B (en) * | 2014-09-30 | 2018-06-22 | 福建达福汽车零部件有限公司 | Hand-sensitive hand regulation arm |
| CN106195074B (en) * | 2014-09-30 | 2018-12-11 | 福建达福汽车零部件有限公司 | Soft readjustment formula hand regulation arm |
| CN104315048A (en) * | 2014-10-22 | 2015-01-28 | 中国重汽集团济南动力有限公司 | Novel manual adjustment cap |
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Open date: 20091104 |