CN207315932U - A kind of automatic adjusting arm of belt wear indicator - Google Patents
A kind of automatic adjusting arm of belt wear indicator Download PDFInfo
- Publication number
- CN207315932U CN207315932U CN201721039181.4U CN201721039181U CN207315932U CN 207315932 U CN207315932 U CN 207315932U CN 201721039181 U CN201721039181 U CN 201721039181U CN 207315932 U CN207315932 U CN 207315932U
- Authority
- CN
- China
- Prior art keywords
- wear indicator
- automatic adjusting
- adjusting arm
- harness
- belt wear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
It the utility model is related to a kind of automatic adjusting arm of belt wear indicator, including adjust automatically arm assembly（1）, automobile S type camshafts（2）With bridge instrumentation disk, adjust automatically arm assembly（1）It is sleeved on automobile S type camshafts（2）On, including wear indicator assembly（6）, wear indicator assembly（6）It is sleeved on automobile S type camshafts（2）Go up and pass through fastener and adjust automatically arm assembly（1）It is fixedly connected, wear indicator assembly（6）Including magnetic induction transmitting device, the magnetic induction transmitting device is connected with the bridge instrumentation disk.The beneficial effect of the utility model compared with prior art is：It can in real time, quickly and easily monitor the abrasion condition of S type cam drum type brake friction plates, and when friction plate will have been worn by electric signal by abrasion condition real-time delivery and including on bridge instrumentation disk, driver's more renewal of facing renewal is reminded in time, so that the safety and reliability of vehicle traveling be substantially improved.
Description
Technical field
It the utility model is related to automatic adjusting arm, more particularly to a kind of automatic adjusting arm of belt wear indicator.
Background technology
Traditional automobile S types cam drum type brake matches and after driving a vehicle after a while with adjust automatically with arm,
Brake friction sector-meeting abrasion is simultaneously constantly thinning, needs at this time in Motor Maintenance or driver gets off and observes the thickness of friction plate
After fickle condition, it just can determine that whether friction plate needs replacing, it is both inconvenient or influence traffic safety.
The Chinese utility model patent of Patent No. ZL201420016446.9 discloses a kind of band friction disc wear and indicates
The automotive brake of mechanism.The abrasion condition of friction plate can be intuitively observed, to remind user's more renewal of facing renewal.This kind of band rubs
The automotive brake of pad wear indicator, including：Automatic adjusting arm, camshaft, brake-shoe and brake drum, automatic adjusting arm
It is fixed on by clamp spring and gasket on camshaft；Further include：The indicating gasket being fixed on camshaft, the indicating gasket are equipped with
Instruction unit；The automatic adjusting arm is equipped with labeling section, during assembling, the axle center and labeling section to cam of the instruction unit to camshaft
There is spacing angle [alpha], which determines according to the model of friction plate between the axle center of axis.In use, automobile is worked as
During braking, gas chamber promotes automatic adjusting arm to rotate, and automatic adjusting arm takes camshaft to and goes to, and brake-shoe is driven after cam axle
Opening makes friction plate be contacted with brake drum and realize braking.Automatic adjusting arm can make wheel shaft turn over one according to friction disc wear situation
Determine angle, keep brake bush and brake drum certain interval.With the abrasion of friction plate, automatic clearance adjuster makes cam
Axis rotates certain angle with indicating gasket, when the pointer on indicating gasket is gone to or more than the mark on automatic clearance adjuster
During position, show the friction plate replacement.But the utility model is stilled need in Motor Maintenance or driver gets off, and observation refers to
Show the pointer on gasket go to or more than the mark position on automatic clearance adjuster after, just can determine that whether friction plate needs more
Change, it is both inconvenient or influence traffic safety.Therefore urgently improve.
Utility model content
In order to solve technological deficiency existing for the above-mentioned existing automotive brake with friction disc wear indicating mechanism, this practicality
The technical solution of new use is as follows：
A kind of automatic adjusting arm of belt wear indicator, including adjust automatically arm assembly, automobile S types camshaft and driver's cabin
Instrument board, the adjust automatically arm assembly is sleeved on the automobile S type camshafts, including wear indicator assembly, the mill
Damage indicator assembly, which is sleeved on the automobile S type camshafts and is fixed by fastener and the adjust automatically arm assembly, to be connected
Connect, the wear indicator assembly includes magnetic induction transmitting device, the magnetic induction transmitting device and the bridge instrumentation disk
It is connected.
Preferably, the magnetic induction transmitting device includes harness, magnet ring and wiring board assembly, the wiring board assembly with
The harness is connected, and the harness is connected with the bridge instrumentation disk, and the magnet ring is surrounded on the automobile S type cams
On the periphery of axis, it is strong for the magnetic field for sensing the magnet ring that the wiring board assembly is positioned close to one side position of magnet ring
Degree.
In any of the above-described scheme preferably, the fastener includes hexagon thin nut and hexagon socket head cap screw, it is described oneself
Installation screw is provided with dynamic adjustment arm assembly, counterbore is provided with the outside of the wear indicator assembly top edge, the counterbore
The other end is provided with nut installation slotted eye, and the nut installation slotted eye is built-in a hexagon thin nut, the hexagon socket head cap screw according to
It is secondary to make the wear indicator assembly and the adjust automatically through the counterbore, the hexagon thin nut and the installation screw
Form a fixed connection between arm assembly.
In any of the above-described scheme preferably, the magnet ring uses ferromagnetic ring.
In any of the above-described scheme preferably, the magnet ring uses anti-interference magnet ring.
In any of the above-described scheme preferably, the magnet ring is using filtering magnet ring.
In any of the above-described scheme preferably, the filtering magnet ring uses nickel zinc magnet ring.
In any of the above-described scheme preferably, the filtering magnet ring uses manganese-zinc ferrite magnet ring.
In any of the above-described scheme preferably, the filtering magnet ring uses ferrocart core magnet ring.
In any of the above-described scheme preferably, the harness uses full availability harness.
In any of the above-described scheme preferably, the harness uses restricted availability harness.
In any of the above-described scheme preferably, the harness uses chain-circuit system harness.
In any of the above-described scheme preferably, the harness uses loss harness.
In any of the above-described scheme preferably, the harness uses wait harness.
In any of the above-described scheme preferably, the harness uses unlimited load source harness.
In any of the above-described scheme preferably, the harness uses limited duty source harness.
In any of the above-described scheme preferably, the wiring board assembly uses single sided board.
In any of the above-described scheme preferably, the wiring board assembly uses dual platen.
In any of the above-described scheme preferably, the wiring board assembly uses multi-layer board.
In any of the above-described scheme preferably, the wiring board assembly includes signals layer, protective layer, silk-screen layer and inside
Layer.
In any of the above-described scheme preferably, the signals layer includes top layer, intermediate layer and bottom, and the intermediate layer is used
To arrange signal wire, the top layer and bottom are used for placing component or deposited copper.
In any of the above-described scheme preferably, the protective layer includes top layer solder mask, bottom solder mask, tin cream protection
Layer and bottom tin cream protective layer.
The beneficial effect of the utility model compared with prior art is：The utility model is installed, is easy to use, will can wear
Indicator assembly is fixedly mounted on automobile S type camshafts at the same time with adjust automatically arm assembly, in real time, quickly and easily monitors S
The abrasion condition of type cam drum type brake friction plate, and it is by electric signal that abrasion condition is real when friction plate will have been worn
When transmit and be shown on bridge instrumentation disk, in time remind driver's more renewal of facing renewal so that be substantially improved vehicle traveling
Safety and reliability.
Brief description of the drawings
Fig. 1 is the front view of a preferred embodiment of the automatic adjusting arm of the belt wear indicator as the utility model；
Fig. 2 is the right view according to the embodiment illustrated in fig. 1 of the automatic adjusting arm of the belt wear indicator of the utility model.
Description of reference numerals：
1 adjust automatically arm assembly；2 automobile S type camshafts；3 hexagon thin nuts；4 hexagon socket head cap screws；5 harness；6 abrasions refer to
Show device assembly；7 magnet rings；8 wiring board assemblies.
Embodiment
The present embodiment is only an optimal technical scheme, wherein involved each building block and connection relation and unlimited
The setting and connection of each building block in a kind of this described following embodiment of the embodiment, the preferred solution
Relation can carry out arbitrary permutation and combination and form complete technical solution.
The technical solution is described in detail with reference to Fig. 1,2：
A kind of automatic adjusting arm of belt wear indicator, including adjust automatically arm assembly 1, automobile S types camshaft 2 and driving
Room instrument board, adjust automatically arm assembly 1 is sleeved on automobile S types camshaft 2, including wear indicator assembly 6, wear indicator
Assembly 6 is sleeved on automobile S types camshaft 2 and is fixedly connected by fastener with adjust automatically arm assembly 1, and wear indicator is total
Include magnetic induction transmitting device into 6, the magnetic induction transmitting device is connected with the bridge instrumentation disk.The magnetic induction passes
Defeated device includes harness 5, magnet ring 7 and wiring board assembly 8, and wiring board assembly 8 is connected with harness 5, harness 5 and the driver's cabin
Instrument board is connected, and magnet ring 7 is surrounded on the periphery of automobile S types camshaft 2, and wiring board assembly 8 is positioned close to magnet ring 7 one
Side position is used for the magnetic field intensity of reaction magnetic ring 7.The fastener includes hexagon thin nut 3 and hexagon socket head cap screw 4, adjust automatically
Installation screw is provided with arm assembly 1, is provided with counterbore on the outside of 6 top edge of wear indicator assembly, the other end of the counterbore is opened
Have a nut installation slotted eye, hexagon thin nut 3 be housed in the nut installation slotted eye, hexagon socket head cap screw 4 sequentially pass through the counterbore,
Hexagon thin nut 3 and the installation screw make to form a fixed connection between wear indicator assembly 6 and adjust automatically arm assembly 1.
Magnet ring 7 can be selected using any one in ferromagnetic ring, anti-interference magnet ring, filtering magnet ring.The filtering magnet ring can select
Using any one in nickel zinc magnet ring, manganese-zinc ferrite magnet ring, ferrocart core magnet ring.Harness 5 can select to use full availability
Harness, restricted availability harness, chain-circuit system harness, loss harness processed, wait harness processed, be unlimited load source harness, limited negative
Any one in the harness of load source.Wiring board assembly 8 can be selected using any one in single sided board, dual platen, multi-layer board.
Wiring board assembly 8 includes signals layer, protective layer, silk-screen layer and interior layer, and the signals layer includes top layer, intermediate layer and bottom,
The intermediate layer is used for arranging signal wire, and the top layer and bottom are used for placing component or deposited copper, and the protective layer includes top
Layer solder mask, bottom solder mask, tin cream protective layer and bottom tin cream protective layer.
The operation principle of the utility model：During automobile brake, brake chamber promotes adjust automatically arm assembly 1 and with electrical automobile
S types camshaft 2 rotates, and brake-shoe struts and then brakes, and demarcates original state when installing wear indicator assembly 6, automobile is every
Adjust automatically arm assembly 1 can all turn over certain angle with electrical automobile S types camshaft 2 during secondary braking, adjustment stablize after when it is each because
Friction disc wear and when causing the braking gap to become larger, adjust automatically arm assembly 1 can all turn over certain angle, the angle turned over
Wear indicator assembly 6 is synchronous, by 8 reaction magnetic ring 7 of wiring board assembly magnetic field intensity and export different voltage signals, institute
State voltage signal to be sent on bridge instrumentation disk by harness 5, when the angle that this is turned over is demarcated more than wear indicator assembly 6
The limit of wear numerical value when, will be shown on instrument board need in time more renewal of facing renewal signal or information, driver can
Timely more renewal of facing renewal accordingly, so that the safety and reliability of vehicle traveling be substantially improved.
The full availability harness：Refer to any one service equipment in harness（Junction line or switch）If can
Any one load source in the load source group serviced by it uses, then such harness is known as full availability harness.
The restricted availability harness：Refer to if any one load source in load source group can only be used in harness
Partial service equipment, such harness are known as restricted availability harness.
The single sided board：Refer on most basic PCB, part is concentrated wherein simultaneously, and conducting wire then concentrates on another side
On, because conducting wire is only present in wherein one side, so claiming this PCB to be called one-sided circuit board, single sided board usually makes simple, cost
It is low, but the drawback is that can not be applied on too complicated product.
The dual platen is the extension of single sided board, when individual layer wiring cannot meet the needs of electronic product it is necessary to using
Dual platen, it is two-sided have cover copper, cabling, and the circuit between two layers can be turned on by via, be allowed to required for being formed
Network connection.
The multi-layer board refers to form to be separated by lamination with insulating materials therebetween with more than three layers of conductive pattern layer,
And the printed board that conductive pattern interconnects on request therebetween, multilayer circuit board be electronic information technology at high speed, multi-functional, great Rong
The product that amount, small size, slimming, lightweight direction are developed.
The protective layer is mainly used to ensure to be not required tin plating place not tin plating on circuit board, so as to ensure circuit board
Reliability of operation.The silk-screen layer is mainly used to stamp the serial number of component, production numbering, Business Name on circuit boards
Deng.The interior layer is mainly used to as signal wiring layer.
The wiring board is mainly by pad, via, mounting hole, conducting wire, component, connector, filling, electrical boundary group
Into the major function of each part is as follows：Pad：Metal aperture for welding component pin.Via：Have metallic vias and
Nonmetallic via, wherein metallic vias are used to connect component's feet between each layer.Mounting hole：For fixing circuit board.Conducting wire：
For connecting the electrical network copper film of component's feet.Connector：For the component connected between circuit board.Filling：For
The deposited copper of earth cord network, can effectively reduce impedance.Electrical boundary：For determining the size of circuit board, on all circuit boards
Component all no more than the border.
The automatic adjusting arm is also known as automatic reglation arm for braking gap, also referred to as automatic clearance adjuster, uses adjust automatically
The vehicle of arm has following feature in motion：1）Ensure that wheel has constant braking gap, braking safe is reliable；2）Braking
Wheel cylinder push rod stroke is short, and braking is rapid reliable；3）Brake cylinder push rod is in initial position all the time before braking, it is ensured that optimal
Brake torque；4）Make the braking effect of all wheels consistent, stable；5）Reduce the consumption of compressed air, extend pneumatics
The service life of other components in machine, brake cylinder and compressed air system；6）Material consumption is reduced, extends the use of brake part
Service life；7）It is easy to install, reduce manual maintenance's number, improve economic benefit；8）Adjustment mechanism is closed in housing
Within protected well, so as to avoid make moist, foul and collision etc..Automatic adjusting arm structural elements mainly include shell
Body, worm gear, worm screw, free-wheeling assembly, rack, control ring, spiral compression spring, the free-wheeling assembly is by tooth
Wheel, square steel spring and internal tooth casing composition.The course of work of automatic adjusting arm：When starting brake, adjustment arm drives camshaft to turn over
Clearance angle and excess clearance angle, and accurately record the abrasion of generation.Cam angle stroke is in interstitial area at this time, interstitial area
Feature is that braking moment change is little.When continuing brake, cam angle stroke enters elastic deformation area, and braking moment steeply rises,
Until car stops.Pedal is unclamped, backhaul of braking, braking moment declines, and cam angle stroke returns to interstitial area.Automatic adjusting arm according to
The excess gap recorded during brake, internal adjustment mechanism drives camshaft to turn over certain angle by worm gear, so as to complete once
Adjustment.
Claims (22)
1. a kind of automatic adjusting arm of belt wear indicator, including adjust automatically arm assembly（1）, automobile S type camshafts（2）With drive
Sail room instrument board, adjust automatically arm assembly（1）It is sleeved on automobile S type camshafts（2）On, it is characterised in that indicated including abrasion
Device assembly（6）, wear indicator assembly（6）It is sleeved on automobile S type camshafts（2）It is upper and total with automatic adjusting arm by fastener
Into（1）It is fixedly connected, wear indicator assembly（6）Including magnetic induction transmitting device, the magnetic induction transmitting device is driven with described
Room instrument board is sailed to be connected.
2. the automatic adjusting arm of belt wear indicator as claimed in claim 1, it is characterised in that the magnetic induction transmitting device
Including harness（5）, magnet ring（7）With wiring board assembly（8）, wiring board assembly（8）With harness（5）It is connected, harness（5）With it is described
Bridge instrumentation disk is connected, magnet ring（7）It is surrounded on automobile S type camshafts（2）Periphery on, wiring board assembly（8）Set
Close to magnet ring（7）One side position is used for reaction magnetic ring（7）Magnetic field intensity.
3. the automatic adjusting arm of belt wear indicator as claimed in claim 1, it is characterised in that the fastener includes hexagonal
Thin nut（3）And hexagon socket head cap screw（4）, adjust automatically arm assembly（1）On be provided with installation screw, wear indicator assembly（6）
Counterbore is provided with the outside of top edge, the other end of the counterbore is provided with nut installation slotted eye, six are equipped with the nut installation slotted eye
Angle thin nut（3）, hexagon socket head cap screw（4）Sequentially pass through the counterbore, hexagon thin nut（3）Refer to abrasion with the installation screw
Show device assembly（6）With adjust automatically arm assembly（1）Between form a fixed connection.
4. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that magnet ring（7）Using ferromagnetic ring.
5. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that magnet ring（7）Using anti-interference
Magnet ring.
6. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that magnet ring（7）Using filtering magnetic
Ring.
7. the automatic adjusting arm of belt wear indicator as claimed in claim 6, it is characterised in that the filtering magnet ring uses nickel
Zinc magnet ring.
8. the automatic adjusting arm of belt wear indicator as claimed in claim 6, it is characterised in that the filtering magnet ring uses manganese
Zn ferrite magnet ring.
9. the automatic adjusting arm of belt wear indicator as claimed in claim 6, it is characterised in that the filtering magnet ring uses iron
Powder core magnet ring.
10. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Using complete utilization
Spend harness.
11. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Using part profit
Expenditure harness.
12. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Using link system
System harness.
13. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Made using loss
Harness.
14. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Made using waiting
Harness.
15. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Using unlimited negative
Load source harness.
16. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that harness（5）Using limited negative
Load source harness.
17. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that wiring board assembly（8）Using
Single sided board.
18. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that wiring board assembly（8）Using
Dual platen.
19. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that wiring board assembly（8）Using
Multi-layer board.
20. the automatic adjusting arm of belt wear indicator as claimed in claim 2, it is characterised in that wiring board assembly（8）Including
Signals layer, protective layer, silk-screen layer and interior layer.
21. the automatic adjusting arm of belt wear indicator as claimed in claim 20, it is characterised in that the signals layer includes top
Layer, intermediate layer and bottom, the intermediate layer are used for arranging signal wire, and the top layer and bottom are used for placing component or deposited copper.
22. the automatic adjusting arm of belt wear indicator as claimed in claim 20, it is characterised in that the protective layer includes top
Layer solder mask, bottom solder mask, tin cream protective layer and bottom tin cream protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039181.4U CN207315932U (en) | 2017-08-18 | 2017-08-18 | A kind of automatic adjusting arm of belt wear indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039181.4U CN207315932U (en) | 2017-08-18 | 2017-08-18 | A kind of automatic adjusting arm of belt wear indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315932U true CN207315932U (en) | 2018-05-04 |
Family
ID=62431605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039181.4U Active CN207315932U (en) | 2017-08-18 | 2017-08-18 | A kind of automatic adjusting arm of belt wear indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139751A (en) * | 2018-10-20 | 2019-01-04 | 绍兴驰达汽车配件制造有限公司 | Arm for automatically regulating clearance of brake with built-in brake pad wear instruction function |
| CN114483839A (en) * | 2022-01-24 | 2022-05-13 | 温州瑞立科密汽车电子有限公司 | Built-in automatic wear sensor adjusting arm with structure capable of returning to zero position |
-
2017
- 2017-08-18 CN CN201721039181.4U patent/CN207315932U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139751A (en) * | 2018-10-20 | 2019-01-04 | 绍兴驰达汽车配件制造有限公司 | Arm for automatically regulating clearance of brake with built-in brake pad wear instruction function |
| CN114483839A (en) * | 2022-01-24 | 2022-05-13 | 温州瑞立科密汽车电子有限公司 | Built-in automatic wear sensor adjusting arm with structure capable of returning to zero position |
| CN114483839B (en) * | 2022-01-24 | 2023-07-07 | 温州瑞立科密汽车电子有限公司 | Built-in wear sensor automatic adjusting arm with zero-return structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207315932U (en) | A kind of automatic adjusting arm of belt wear indicator | |
| CN109139751A (en) | Arm for automatically regulating clearance of brake with built-in brake pad wear instruction function | |
| CN208248365U (en) | The brake warning device of bicycle | |
| CN208900591U (en) | Arm for automatically regulating clearance of brake with built-in brake pad wear instruction function | |
| RU2452880C1 (en) | Device to inform drive about ultimate wear of brake-shoe lining | |
| JP2007503354A (en) | Sensor communication system | |
| CN209977110U (en) | Brake clearance automatic adjusting arm capable of alarming | |
| CN205190599U (en) | A electronic parking brake device for drum brake | |
| CN106740753A (en) | Hall-type pedal position sensor and brake pedal apparatus | |
| CN2641006Y (en) | Electromagnetic brake with remote declutch means | |
| CN204444575U (en) | A kind of draw-bar box | |
| CN111412230B (en) | Permanent magnet retarding and friction braking integrated device in hub | |
| CN109838486A (en) | A kind of arm for automatically regulating clearance of brake alarmed | |
| CN210218508U (en) | Brake lining wear alarm device and automatic adjusting arm | |
| CN202827567U (en) | Novel automatic alarm device for brake block abrasion | |
| CN210344118U (en) | Self-checking type automatic adjusting arm for automobile brake clearance | |
| CN203043366U (en) | Car self-rescuer capable of positioning communication alarm | |
| CN109931349A (en) | A kind of brake pad wear indicating alarm being buckled on automatic adjusting arm worm screw head | |
| CN111412229A (en) | Birotor permanent magnetism braking and vehicle wheel hub integrated device | |
| CN206165023U (en) | Jack -up wire control box | |
| CN207972625U (en) | A kind of displacement sensor of brake assist system | |
| CN207921191U (en) | A kind of wear sensor | |
| CN106231853A (en) | Lifting wired control box | |
| CN205920831U (en) | Intact parking alarm device that takes of steel band | |
| CN220465471U (en) | Arrangement structure of wheel end brake controller, brake device, wheel assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |