CN105864325A - Brake adjusting arm of plum blossom gear structure - Google Patents
Brake adjusting arm of plum blossom gear structure Download PDFInfo
- Publication number
- CN105864325A CN105864325A CN201610456312.2A CN201610456312A CN105864325A CN 105864325 A CN105864325 A CN 105864325A CN 201610456312 A CN201610456312 A CN 201610456312A CN 105864325 A CN105864325 A CN 105864325A
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- China
- Prior art keywords
- gear
- flos mume
- locking
- bearing pin
- hole
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/42—Slack adjusters mechanical non-automatic
- F16D65/48—Slack adjusters mechanical non-automatic with eccentric or helical body
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a brake adjusting arm of a plum blossom gear structure. The brake adjusting arm comprises an adjusting arm shell, a worm hinge pin, a worm gear and a locking device, wherein a hinge pin hole is formed in the shell; the worm hinge pin is mounted inside the hinge pin hole; a locking hole is formed in the shell; the locking hole is communicated with the hinge pin hole; the locking device is mounted inside the locking hole; the locking device comprises a locking bead, an elastic connecting part and a fixing part in sequence; the fixing part is mounted on the locking hole in a detachable fixed manner; the worm hinge pin is sleeved by a plum blossom gear and a worm sleeve; the plum blossom gear is positioned inside the hinge pin hole at the cross part with the locking hole; the locking bead is matched with the plum blossom gear. Through the adoption of the brake adjusting arm, problems that a hoodle can be loosened and slide off, is short in service life and cannot lock tightly can be solved.
Description
Technical field
The present invention relates to auto parts and components, the braking adjusting-arm of a kind of Flos Mume toothing.
Background technology
Automobile is during using, braking can cause the continuous abrasion of braking member frequently, so that the gap between brake drum and friction plate increases, cause pedal travel instability, skidding sensitivity decrease, resulting even in brake failure when wearing clearance postcritical, this is accomplished by needing to adjust this gap according to driving by braking adjusting-arm.The most conventional way is to be driven by worm gearing to adjust axial adjustment gap, adjusts complete by extruding hoodle extruding locking hoodle locking worm screw.But this pair of pearl adjustment mode exists, and hoodle loosens skidding, service life length, locking hoodle can not lock worm screw completely, worm shaft is caused to retreat, drive adjustment axle to loosen, increase the gap between brake drum and friction plate, it is impossible to the problem solving not tight screw shaft well.
Summary of the invention
For the shortcoming of prior art, the invention provides the braking adjusting-arm of a kind of Flos Mume toothing.
For achieving the above object, the braking adjusting-arm of Flos Mume toothing, including adjusting arm housing, worm screw bearing pin, worm gear, locking device, described worm screw bearing pin is detachably fixed with described housing and is connected, and described worm gear fixedly mounts on the housing, and described housing is provided with pin shaft hole, described worm screw bearing pin is arranged in described pin shaft hole, being provided with locking hole on described housing, described locking hole is connected with described pin shaft hole, and described locking device is installed in described locking hole；Described locking device includes locking pearl, Flexible Connector, fixture successively, and described fixture is detachably fixed and is installed on described locking hole；Being arranged with Flos Mume gear and worm screw on described worm screw bearing pin, described Flos Mume gear is positioned at and the described pin shaft hole of described locking hole intersection, and described locking pearl is matched with described Flos Mume gear, and described worm screw is connected with described worm-drive.
In one embodiment of the invention, described locking hole is arranged on the described housing the most perpendicular with pin shaft hole.
In one embodiment of the invention, described locking pearl by spring by firm compression in adjacent two between cog of described Flos Mume gear, the circular arc phase inscribe between described locking pearl with described Flos Mume gear arbitrary neighborhood two tooth.
In one embodiment of the invention, the number of teeth of described Flos Mume gear is 4-40.
In one embodiment of the invention, described Flexible Connector is spring, and the two ends of described spring polish respectively and tightly, and the internal diameter of described spring spring eye is in close contact with described spring near the end face of described spring less than the diameter of described locking pearl, described fixture.
In one embodiment of the invention, one end of described worm screw bearing pin is provided with nut, and described worm screw bearing pin is also arranged with ring washer, and described ring washer is between described nut and described Flos Mume gear.
In one embodiment of the invention, described housing being provided with adjustment axis hole, described worm gear is positioned at adjustment axis hole, and the housing at the two ends of described adjustment axis hole is all installed with dust-proof fixing cover.
The method have the advantages that
By arranging dismountable Flos Mume gear on worm gear bearing pin, on the one hand worm gear bearing pin can be locked by the way of locking pearl tightly offsets with Flos Mume gear two between cog, it is made not have retrogressing phenomenon, the problem solving not tight well during using for a long time；On the other hand, the difference that Flos Mume gear is detachable with worm gear bearing pin, locking pearl is no longer limited to be arranged on worm gear bearing pin or directly contact with worm gear bearing pin " is independently arranged " mode not only makes adjustment process convenient, extend locking pearl and the service life of worm gear bearing pin simultaneously, also allow for later stage replacing, save maintenance cost.For extruding the both ends of the spring of locking pearl through special and tightly polish process, the spring with special parameter is selected suitably to extrude environment to obtain, thus the problem efficiently solving persistently locking.It addition, user can be according to actual vehicle condition, to the Flos Mume tooth number of teeth and the selection of locking pearl diameter；Further according to the concrete abrasion condition of automobile, rotate worm gear bearing pin and freely adjust to desired location, meet the multiple demand of user.
Accompanying drawing explanation
Fig. 1 is the front view of worm gear of the present invention；
Fig. 2 is the sectional view of worm gear of the present invention；
Fig. 3 is the front view of worm gear of the present invention；
Fig. 4 is the enlarged drawing in Fig. 3 of the present invention at B；
Fig. 5 is the front view of worm screw bearing pin of the present invention；
Fig. 6 is the sectional view at worm screw bearing pin A-A of the present invention；
Fig. 7 is the assembling schematic diagram of Flos Mume gear of the present invention and locking pearl；
Fig. 8 is the sectional view of Flos Mume gear of the present invention；
Fig. 9 is the sectional view of inventive shell；
Figure 10 is a kind of upward view of inventive shell；
Figure 11 is the axonometric chart of inventive shell；
Figure 12 is the explosive view of the present invention.
1, housing；2, worm screw bearing pin；3, worm gear；200, pin shaft hole；400, locking hole；500, axis hole is adjusted；4, locking pearl；5, spring；6, fixture；7, Flos Mume gear；71, groove at the bottom of tooth；72, tooth top cambered surface；8, worm screw；9, nut；10, ring washer；11, dust-proof fixing cover；800, resistance area；22, chisel teeth；201, upper domatic；203, Caused by Sloping Surfaces；202, the wedge shape flank of tooth；33, upper seamed edge；44, lower seamed edge；55, basal edge limit.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing (1 to 12), the invention will be further described.
The braking adjusting-arm of Flos Mume toothing involved in the present invention, including the housing 1 adjusting arm, worm screw bearing pin 2, worm gear 3, locking device, it is provided with pin shaft hole 200 on described housing 1, described worm screw bearing pin 2 is detachably fixed and is arranged in described pin shaft hole 200, it is provided with locking hole 400 on position the most perpendicular with pin shaft hole 200 on described housing 1, the axis of described locking hole 400 is vertical with the axis of described pin shaft hole, described worm screw bearing pin 2 is co-axially mounted with described pin shaft hole 200, described locking hole 400 is connected with described pin shaft hole 200, described locking device is installed in described locking hole 400.
Described locking device includes locking pearl 4, spring 5, fixture 6 successively, and described fixture 6 is threadably secured and is arranged on described locking hole 400；Being arranged with Flos Mume gear 7 and worm screw 8 on described worm screw bearing pin 2, described Flos Mume gear 7 is arranged on in the described pin shaft hole 200 of described locking hole 400 intersection, and described Flos Mume gear 7 and described worm screw bearing pin 2 matched in clearance, fit clearance is 0.1-0.15mm.Described worm screw 8 is in transmission connection with described worm gear 3.Described worm screw 8 is resistance worm screw, including worm screw 8, the end face of described worm screw 8 is resistance area 800, and described resistance area 800 is provided with locking teeth, the rotation direction of described locking teeth is oppositely oriented with described worm screw 8, described locking teeth along described worm screw 8 radially to the directional divergence away from worm screw 8 axle center.Described locking teeth includes several chisel teeths 22, described chisel teeth 22 includes domatic 201, the wedge shape flank of tooth 202, Caused by Sloping Surfaces 203, and described domatic 201, the wedge shape flank of tooth 202 and Caused by Sloping Surfaces 203 pass sequentially through upper seamed edge 33 by seamed edge and lower seamed edge 44 is connected in three dimensions and sprawls.
The Caused by Sloping Surfaces 203 of chisel teeth 22 intersects at basal edge limit 55 with upper domatic the 201 of adjacent chisel teeth 22, and the level height on described basal edge limit 55 is successively decreased along worm screw radially away from worm screw 8 axis direction；The level height of the described wedge shape flank of tooth 202 is incremented by along worm screw 8 radially away from the direction in worm screw 8 axle center.The a height of 0.2-0.4mm of chisel teeth described in this enforcement, preferably 0.3mm, can not damage the surface of housing, can effectively act as again increasing the purpose of resistance.
Help solve the problem that worm screw bearing pin 2 reversion retreats by arranging resistance area 800 on worm screw 8, by to the profile of tooth of chisel teeth 22 and the design of angle, make the worm screw 8 when locking state and adjust between arm housing 1 relatively rotate and become difficulty, increase the resistance of reversion；Further by locking device and the cooperation of Flos Mume gear 7, worm screw bearing pin 2 is made to be in locking state for a long time, pearl 4 can firmly snap in the arc groove of circular arc between cog of Flos Mume gear 7 in locking, will not occur locking problem that pearl 4 displacement skids because of matter of time until adjustment next time.
It is provided with side plane 12 on described worm gear bearing pin 2, in the present embodiment, side plane is two horizontal planes being symmetricly set on described worm gear bearing pin 2, distance between said two side plane is than the little 0.8-1.5mm of diameter of described worm gear bearing pin 2, the first inner plane 17 it is provided with on the hole wall of the endoporus of described Flos Mume gear 7, described first inner plane 17 matches with described side plane 12, being provided with the second inner plane 18 on the hole wall of the endoporus of described worm screw 8, described second inner plane 18 matches with described side plane 12.
Described locking pearl 4 by spring 5 by firm compression at adjacent two between cog of described Flos Mume gear 7 so that phase inscribe between described locking pearl 4 with described Flos Mume gear 7 arbitrary neighborhood two tooth, i.e. the arc structure part of locking pearl 4 between cog adjacent with Flos Mume gear 7 are tangent.Circular arc is passed through between groove 71 tangent, i.e. in rounding off state, it is simple to lock pearl 4 during adjustment when operator applies suitable moment and roll between groove at the bottom of tooth 71 smoothly at the bottom of the tooth top cambered surface 72 of described Flos Mume gear 7 and tooth.The number of teeth of described Flos Mume gear is 4-40, and preferably 10-15, in the present embodiment, the number of teeth is 10, and now the tip diameter of Flos Mume gear 7 is 23.5mm, and a diameter of 19.5mm of root circle, i.e. root circle are mutually circumscribed with locking pearl, a diameter of 6.3mm of locking pearl 4.
One end of described worm screw bearing pin 2 is provided with nut 9, and described worm screw bearing pin 2 is also arranged with ring washer 10, and described ring washer 10 is between described nut 9 and described Flos Mume gear 7.Described worm gear 3 is fixedly mounted in the adjustment axis hole 500 of described housing 1, and the housing 1 at the two ends of described adjustment axis hole 500 is all installed with dust-proof fixing cover 11.
During operation, drive worm screw 8 to rotate by rotary worm bearing pin 2, thus drive worm gear 3 to rotate being arranged on the adjustment axle adjusted on axis hole 500, and then the gap between brake drum and friction plate is adjusted so that the braking distance of pedal is sensitive, stable.Worm screw bearing pin 2 is set in Flos Mume gear 7 thereon and rotates the most in the lump when rotating under operator's externally applied forces, locking pearl 4 compression spring 5, thus lock pearl 4 and realize rolling between the tooth of Flos Mume gear 7, it is transferred to groove 71 at the bottom of another adjacent tooth from groove 71 at the bottom of the tooth that Flos Mume gear 7 two adjacent teeth is formed, the worm gear bearing pin 2 until stopping operating when adjusting to desired location, now, worm gear bearing pin 2 is locked by locking pearl 4.
The two ends of described spring 5 polish respectively and tightly, one end end face of spring 5 is in close contact with described fixture 6, other end end face tightly offsets with locking pearl 4, and the internal diameter of described spring 5 spring eye is less than the diameter of described locking pearl 4, in order to locking pearl 4 is firmly positioned at locked position.
The present invention uses Flos Mume gear 7 and the combination of locking pearl 4, by the special setting to Flos Mume gear 7, it is achieved that locks the purpose of worm screw bearing pin 2 while ensureing worm gear bearing pin mechanical property, can be prevented effectively from the problem that existing hoodle skids, service life is low.The present invention not only makes the step adjusting gap easier, also easily facilitates the replacing of associated components, reduces maintenance cost, has a wide range of applications meaning.
Above-mentioned specific embodiment is used only to illustrate the present invention; rather than be to limit the invention; in spirit of the invention and scope of the claims, any replacement not paying creative work that the present invention is made and change, fall within the protection domain of patent of the present invention.
Claims (9)
1. the braking adjusting-arm of a Flos Mume toothing, including adjusting the housing of arm, worm screw bearing pin, worm gear, locking device, described worm screw bearing pin is detachably fixed with described housing and is connected, described worm gear fixedly mounts on the housing, it is characterised in that be provided with pin shaft hole on described housing, described worm screw bearing pin is arranged in described pin shaft hole, being provided with locking hole on described housing, described locking hole is connected with described pin shaft hole, and described locking device is installed in described locking hole；Described locking device includes locking pearl, Flexible Connector, fixture successively, and described fixture is detachably fixed and is installed on described locking hole；Being arranged with Flos Mume gear and worm screw on described worm screw bearing pin, described Flos Mume gear is positioned at and the described pin shaft hole of described locking hole intersection, and described locking pearl is matched with described Flos Mume gear, and described worm screw is connected with described worm-drive.
2. the braking adjusting-arm of Flos Mume toothing as claimed in claim 1, it is characterised in that described locking hole is arranged on the described housing the most perpendicular with pin shaft hole.
3. the braking adjusting-arm of Flos Mume toothing as claimed in claim 1, it is characterized in that, described locking pearl by spring by firm compression in adjacent two between cog of described Flos Mume gear, the circular arc phase inscribe between described locking pearl with described Flos Mume gear arbitrary neighborhood two tooth.
4. the braking adjusting-arm of Flos Mume toothing as claimed in claim 1, it is characterised in that the number of teeth of described Flos Mume gear is 4-40.
5. the braking adjusting-arm of Flos Mume toothing as claimed in claim 1, it is characterized in that, described Flexible Connector is spring, the two ends of described spring polish respectively and tightly, the internal diameter of described spring spring eye is in close contact with described spring near the end face of described spring less than the diameter of described locking pearl, described fixture.
6. the braking adjusting-arm of Flos Mume toothing as claimed in claim 1, it is characterised in that be provided with side plane on described worm gear bearing pin.
7. the braking adjusting-arm of Flos Mume toothing as claimed in claim 1, it is characterised in that described side plane is symmetricly set on described worm gear bearing pin, and the distance between said two side plane is than the little 0.8-1.5mm of diameter of described worm gear bearing pin.
8. the braking adjusting-arm of the Flos Mume toothing as described in claim 1 to 7 is arbitrary, it is characterized in that, one end of described worm screw bearing pin is provided with nut, and described worm screw bearing pin is also arranged with ring washer, and described ring washer is between described nut and described Flos Mume gear.
9. the braking adjusting-arm of the Flos Mume toothing as described in claim 1 to 7 is arbitrary, it is characterised in that be provided with adjustment axis hole on described housing, described worm gear is positioned at adjustment axis hole, the housing at the two ends of described adjustment axis hole is all installed with dust-proof fixing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610456312.2A CN105864325B (en) | 2016-06-22 | 2016-06-22 | The braking adjusting-arm of plum blossom toothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610456312.2A CN105864325B (en) | 2016-06-22 | 2016-06-22 | The braking adjusting-arm of plum blossom toothing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864325A true CN105864325A (en) | 2016-08-17 |
| CN105864325B CN105864325B (en) | 2018-09-25 |
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ID=56650039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610456312.2A Active CN105864325B (en) | 2016-06-22 | 2016-06-22 | The braking adjusting-arm of plum blossom toothing |
Country Status (1)
| Country | Link |
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| CN (1) | CN105864325B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196694A (en) * | 1997-01-13 | 1998-07-31 | Nissan Diesel Motor Co Ltd | Worm shaft |
| CN201057238Y (en) * | 2007-03-28 | 2008-05-07 | 岳崙 | Quincuncial shaft type braking gap adjustment arm |
| WO2010016812A1 (en) * | 2008-08-05 | 2010-02-11 | Aydinsan Firen Circirlari Ve Otomotiv Yedek Parçalari Imalati Pazarlama Ve Satisi Sanayi Ve Ticaret Limited Sirketi | Automatic slack adjuster for a brake lever |
| CN201916401U (en) * | 2011-01-21 | 2011-08-03 | 佛山市顺德区富盈汽车配件有限公司 | Automatic end face locking type automobile brake adjusting arm |
| CN103573985A (en) * | 2012-07-18 | 2014-02-12 | 绍兴文理学院 | Dustproof sealing structure of brake adjusting arm |
| CN205978200U (en) * | 2016-06-22 | 2017-02-22 | 诸暨市辉邦科技有限公司 | Brake adjustment arm of plum blossom tooth structure |
-
2016
- 2016-06-22 CN CN201610456312.2A patent/CN105864325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196694A (en) * | 1997-01-13 | 1998-07-31 | Nissan Diesel Motor Co Ltd | Worm shaft |
| CN201057238Y (en) * | 2007-03-28 | 2008-05-07 | 岳崙 | Quincuncial shaft type braking gap adjustment arm |
| WO2010016812A1 (en) * | 2008-08-05 | 2010-02-11 | Aydinsan Firen Circirlari Ve Otomotiv Yedek Parçalari Imalati Pazarlama Ve Satisi Sanayi Ve Ticaret Limited Sirketi | Automatic slack adjuster for a brake lever |
| CN201916401U (en) * | 2011-01-21 | 2011-08-03 | 佛山市顺德区富盈汽车配件有限公司 | Automatic end face locking type automobile brake adjusting arm |
| CN103573985A (en) * | 2012-07-18 | 2014-02-12 | 绍兴文理学院 | Dustproof sealing structure of brake adjusting arm |
| CN205978200U (en) * | 2016-06-22 | 2017-02-22 | 诸暨市辉邦科技有限公司 | Brake adjustment arm of plum blossom tooth structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105864325B (en) | 2018-09-25 |
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