CN105782287A - Clutch main cylinder provided with sensor - Google Patents

Clutch main cylinder provided with sensor Download PDF

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Publication number
CN105782287A
CN105782287A CN201610213842.4A CN201610213842A CN105782287A CN 105782287 A CN105782287 A CN 105782287A CN 201610213842 A CN201610213842 A CN 201610213842A CN 105782287 A CN105782287 A CN 105782287A
Authority
CN
China
Prior art keywords
piston
cylinder body
sensor
assembly
push
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.)
Pending
Application number
CN201610213842.4A
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Chinese (zh)
Inventor
康伟铭
汤宗兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Juda Auto Parts Co Ltd
Original Assignee
Wuhu Juda Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Juda Auto Parts Co Ltd filed Critical Wuhu Juda Auto Parts Co Ltd
Priority to CN201610213842.4A priority Critical patent/CN105782287A/en
Publication of CN105782287A publication Critical patent/CN105782287A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00External control of clutches
    • F16D48/06Control by electric or electronic means, e.g. of fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00External control of clutches by electric or electronic means
    • F16D2500/70Details about the implementation of the control system
    • F16D2500/702Look-up tables
    • F16D2500/70205Clutch actuator
    • F16D2500/70235Displacement

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The invention discloses a clutch main cylinder provided with a sensor. The clutch main cylinder comprises a cylinder body, a sensor mounting seat, cross recessed countersunk head screws, a piston assembly, a rubber hose and a clamping hoop. An oil inlet is formed in the bottom of the cylinder body. The sensor mounting seat is arranged at the front side of the cylinder body and fixedly connected with the cylinder body through the cross recessed countersunk head screws. The piston assembly is slidably mounted inside the cylinder body. A guide sleeve is arranged at the outer side of a piston. A one-way valve seat and a clamping ring are arranged at the top end, far away from a push rod assembly, of the piston. A one-way valve element assembly is fixed to the one-way valve seat through the clamping ring. An annular magnet is arranged on the outer side of the piston in a sleeving manner. The magnet is assembled to the piston, the magnetic field intensity is 20 gauss, and when the clutch main cylinder works, the magnetic field intensity is 5 gauss more; when the clutch main cylinder does not work, the magnetic field intensity is 5 gauss less; and the annular magnet on the piston is driven through movement of the push rod assembly, and magnetic induction intensity is generated, so that the sensor inducts the change of the magnetic induction intensity.

Description

A kind of clutch master cylinder of belt sensor
Technical field
The present invention relates to Clutch Technology field, particularly to the clutch master cylinder of a kind of belt sensor.
Background technology
Sensor is commonly used to measure the changes such as the position of testee, displacement, speed, angle.Such as, clutch Device master cylinder sensor is one of various sensors of vehicle application, is arranged on clutch master cylinder, for detection also The position signalling of output clutch.Clutch master cylinder includes cylinder body and the piston piece being arranged in cylinder body.Piston piece On be provided with magnet iron piece, this magnet iron piece follows piston piece can be along cylinder body axially-movable.This magnet iron piece is axial at cylinder body Position corresponding to the position of clutch (not shown).When sensor fixedly mounts relative to clutch master cylinder After, the changes of magnetic field that the sensor chip in sensor is produced by sensing magnet iron piece, sense the position of clutch Put.
In recent years, along with the development of automobile industry, start and stop function and electronic parking technology are more and more applied to On automobile.This needs a sensor that can provide clutch position in real time, plastics master cylinder belt sensor scheme with Its stability height, precision height and cost advantage become the first-selection of Ge great automobile factory.And along with vehicle structure densification Development light-weighted with weight, corresponding installing space reduces the most therewith, and for clutch master cylinder and sensor All there is restriction in the material of main body.Prior art does not has suitable method by sensor and clutch master cylinder phase In conjunction with.
The Chinese patent application file of Application No. 201520479800.6, discloses for installing sensor Support, sensor cluster and clutch master cylinder assembly.The support for installing sensor in the present invention, it is special Levying and be, including rack body, described rack body is provided with fixed structure, sensor is by described fixing Structure is arranged on described rack body;The first mounting structure it is provided with on described rack body;By described First mounting structure, described rack body is installed fixing by available securing member.The present invention can by arranging support To be connected with testee by sensor easily, the mounting structure of sensor and testee can be simplified, thus Reduce its cost.
The Chinese patent application file of Application No. 201310716491.5, discloses a kind of integrated programmable and passes The clutch master cylinder assembly of sensor.Including clutch master cylinder and sensor unit, the circuit board in sensor unit Upper integrated programmable chip is Hall chip, and programmable hall chip is converted into by induced field Strength Changes It is transferred to central car controller after start stop switch signal and electronic parking signal;Live in described clutch master cylinder It is cased with annular magnet on the Magnet cap of plug, is the South Pole towards piston side, is the arctic away from piston side.This Bright by the use requirement under the satisfied different demand signals of regulation sensor, i.e. start stop switch signal and electronics is stayed and is needed Ask the use requirement of clutch master cylinder assembly under dutycycle output signal.Present invention eliminates sensor newly developed Die cost, reduce development cost and development time, continue to use additionally, due to sensor, test event reduce, Improve the versatility of product, reduce testing expenses.
Summary of the invention
The technical problem to be solved is to provide the clutch master cylinder of a kind of belt sensor, existing to solve The above-mentioned multinomial defect caused in technology.
For achieving the above object, the present invention provides following technical scheme: the clutch master cylinder of a kind of belt sensor, Including cylinder body, sensor installation seat, cross recessed countersunk head sscrew, piston assembly, rubber hose and clip, described The bottom of cylinder body is provided with oil-in, and rubber hose is located at the bottom of oil-in, and rubber hose is passed through with oil-in Clip is fixing to be connected, and sensor installation seat is located at the front side of cylinder body, and sensor installation seat passes through cross with cylinder body Groove sunk screw is fixing to be connected, and the rear end of cylinder body is provided with oil-out, and the end of oil-out is provided with chock plug and clamp, Chock plug and oil-out connect by clamp is fixing, and piston assembly is slidably mounted on the inside of cylinder body, piston assembly bag Including push-rod assembly, piston, fairlead, "O"-ring, annular magnet and nonreturn valve core assembly, piston is located at One end of push-rod assembly, piston is provided with ram seat with the junction of push-rod assembly, and the outside of piston is located at by fairlead, Fairlead is fixed by "O"-ring with piston, piston away from the top of push-rod assembly be provided with one-way valve seat and Collar, nonreturn valve core assembly is fixed on one-way valve seat by collar, and annular magnet is socketed on the outside of piston.
Preferably, the outside of described push-rod assembly is provided with dust cover, and push-rod assembly and the front end of fairlead are by anti- Dust hood is connected.
Preferably, the junction of described fairlead and piston is provided with fairlead apron and pad, and the rear side of piston sets There is apron.
Preferably, the junction of described piston assembly and cylinder body is provided with hole elastic spring.
Preferably, the front end sleeve of the outside high spot of described cylinder body is connected to liner.
Preferably, the bottom of described oil-in is provided with steel ball.
Preferably, the bottom of described rubber hose is provided with stopper, and stopper is socketed on the bottom of rubber hose.
Using above technical scheme mainly to assemble a ring magnet on piston, magnetic field intensity is 20 Gausses; At one sensor of cylinder body external mounting, when clutch master cylinder works, i.e. push-rod assembly moves inwardly into full row Cheng Shi, magnetic field intensity is+5 Gausses;During inoperative, when i.e. push-rod assembly is displaced outwardly, magnetic field intensity is-5 Gauss, moves ring magnet on drive piston by push-rod assembly, produces magnetic induction, make sensor sensing The change of magnetic induction, then shows displacement, and it mainly provides the benefit that:
1, the sensor that have employed annular magnet and external mounting of novelty, utilizes ring magnet, and magnetic field is strong Degree is 20 Gausses, and when clutch master cylinder works, when i.e. push-rod assembly moves inwardly into total travel, magnetic field is strong Degree is+5 Gausses;During inoperative, when i.e. push-rod assembly is displaced outwardly, magnetic field intensity is-5 Gausses, by pushing away Bar assembly moves ring magnet on drive piston, produces magnetic induction, makes sensor sensing magnetic induction Change, then shows displacement so that the displacement sensed is more accurate, reaches the effect of Based Intelligent Control.
2, the production technology of described cylinder body uses aluminum extrusion process, and the surface of cylinder body is carried out anodic oxidation adds Work, substantially increases the intensity of master cylinder assembly, significantly increases the service life of master cylinder assembly, and pressure Ability.
3, the junction of described piston assembly and cylinder body is provided with hole elastic spring, the employing of hole elastic spring Enable to the connection between piston assembly and cylinder body and enhanced convenience is installed, the difficulty of manufacture is greatly reduced Degree.
4, described sensor installation seat makes sensor easier for installation, it is possible to sufficiently meet vehicle knot Structure densification and the light-weighted development of weight, take less installing space, it is possible to simply by sensor and from Clutch master cylinder combines.
5, the dust cover in the outside of described push-rod assembly can play dust-proof effect, is effectively protected push rod group Part, the employing of fairlead apron, pad, apron and liner etc. and good airproof performance, do not have oil leakage phenomenon, Also reduce manufacture difficulty simultaneously, be effectively guaranteed the sealing of whole device, it is to avoid the leakage of hydraulic oil, Master cylinder can be played the effect of protection, it is to avoid can be damaged when impulsive force is bigger simultaneously, increase clutch The service life of master cylinder.
Accompanying drawing explanation
Fig. 1 is the half sectional view of the present invention;
Fig. 2 is the sectional view of Section A-A in Fig. 1;
Fig. 3 is the sectional view of section B-B in Fig. 1;
Fig. 4 is the partial enlarged drawing of I in Fig. 1;
Fig. 5 is the structural representation of piston assembly in the present invention;
Wherein, 1-cylinder body, 2-hole elastic spring, 3-piston assembly, 4-liner, 5-steel ball, 6-clip, 7-chock plug, 8-clamp, 9-ten pilot trench sunk screw, 10-sensor installation seat, 11-rubber hose, 12-fill in Son, 13-oil-out, 14-oil-in, 31-push-rod assembly, 32-dust cover, 33-piston, 34-fairlead, 35-ram seat, 36-"O"-ring, 37-fairlead apron, 38-pad, 39-apron, 310-ring magnet, 311-collar, 312-one-way valve seat, 313-nonreturn valve core assembly.
Detailed description of the invention
Describe the preferred embodiment of the present invention below in conjunction with the accompanying drawings in detail.
Fig. 1 to Fig. 5 shows the detailed description of the invention of the present invention: the clutch master cylinder of a kind of belt sensor, including Cylinder body 1, sensor installation seat 10, cross recessed countersunk head sscrew, piston assembly 3, rubber hose 11 and clip 6, The bottom of described cylinder body 1 is provided with oil-in 14, and rubber hose 11 is located at the bottom of oil-in 14, and rubber Flexible pipe 11 is connected by clip 6 is fixing with oil-in 14, and sensor installation seat 10 is located at the front side of cylinder body 1, And sensor installation seat 10 is connected by cross recessed countersunk head sscrew is fixing with master cylinder, the rear end of master cylinder is provided with fuel-displaced Mouthfuls 13, and the end of oil-out 13 is provided with chock plug 7 and clamp 8, chock plug 7 and oil-out 13 by clamp 8 Fixing connecting, piston assembly 3 is slidably mounted on the inside of cylinder body 1, piston assembly 3 include push-rod assembly 31, Piston 33, fairlead 34, " O " type circle 36, annular magnet and nonreturn valve core assembly 313, piston 33 sets In one end of push-rod assembly 31, piston 33 is provided with ram seat 35, fairlead with the junction of push-rod assembly 31 34 outsides being located at piston 33, fairlead 34 passes through with piston 33 " O " type circle 36 fixes, piston 33 Top away from push-rod assembly 31 is provided with one-way valve seat 312 and collar 311, and nonreturn valve core assembly 313 passes through Collar 311 is fixed on one-way valve seat 312, and annular magnet is socketed on the outside of piston 33.
Operation principle: assembling a ring magnet 310 on piston 33, magnetic field intensity is 20 Gausses;At cylinder One sensor of body 1 external mounting, when clutch master cylinder works, i.e. push-rod assembly 31 moves inwardly into entirely During stroke, magnetic field intensity is+5 Gausses;During inoperative, when i.e. push-rod assembly 31 is displaced outwardly, magnetic field intensity For-5 Gausses, move ring magnet 310 on drive piston 33 by push-rod assembly 31, produce magnetic induction, Make the change of sensor sensing magnetic induction, then show displacement.
In the present invention, the outside of described push-rod assembly 31 is provided with dust cover 32, push-rod assembly 31 and guiding The front end of set 34 is connected by dust cover 32, and the junction of described fairlead 34 and piston 33 is provided with guiding Set apron 37 and pad 38, the rear side of piston 33 is provided with apron 39, the outside high spot of described cylinder body 1 Front end sleeve is connected to liner 4.The dust cover 32 in the outside of push-rod assembly 31 can play dust-proof effect, effectively Protection push-rod assembly 31, the employing of fairlead apron 37, pad 38, apron 39 and liner 4 etc. and close Envelope property is good, does not haves oil leakage phenomenon, also reduces manufacture difficulty simultaneously, is effectively guaranteed whole device Sealing, it is to avoid the leakage of hydraulic oil, can play the effect of protection, it is to avoid in impulsive force simultaneously to cylinder body 1 Can be damaged time bigger, increase the service life of clutch cylinder body 1.
In the present invention, the junction of described piston assembly 3 and cylinder body 1 is provided with hole elastic spring 2, Kong Yong The employing of elastic spring 2 enables to the connection between piston assembly 3 and cylinder body 1 and installs enhanced convenience, The difficulty of manufacture is greatly reduced.
In the present invention, the bottom of described oil-in 14 is provided with steel ball 5, and the bottom of described rubber hose 11 sets Stopper 12, stopper 12 is had to be socketed on the bottom of rubber hose 11, it is possible to protect rubber hose when not in use The inside of 11 will not enter dust etc.
Above technical scheme is used to provide the benefit that:
1, the sensor that have employed annular magnet 310 and external mounting of novelty, utilizes ring magnet 310, Ensureing that magnetic field intensity is 20 Gausses, when clutch master cylinder works, i.e. push-rod assembly 31 moves inwardly into full row Cheng Shi, magnetic field intensity+5 Gauss;During inoperative, when i.e. push-rod assembly 31 is displaced outwardly, magnetic field intensity-5 Gauss, moves ring magnet 310 on drive piston 33 by push-rod assembly 31, produces magnetic induction, make The change of sensor sensing magnetic induction, then shows displacement so that the displacement sensed is more accurate, Reach the effect of Based Intelligent Control.
2, the production technology of described cylinder body 1 uses aluminum extrusion process, and the surface of cylinder body 1 is carried out anodic oxygen Change processing, substantially increase the intensity of master cylinder assembly, significantly increase the service life of master cylinder assembly, and Voltage endurance capability.
3, the junction of described piston assembly 3 and cylinder body 1 is provided with hole elastic spring 2, hole elastic spring 2 Employing enable to the connection between piston assembly 3 and cylinder body 1 and install enhanced convenience, greatly reduce The difficulty manufactured.
4, described sensor installation seat 10 makes sensor easier for installation, it is possible to sufficiently meet vehicle Compact conformation and the light-weighted development of weight, take less installing space, it is possible to simply by sensor and Clutch cylinder body 1 combines.
5, the dust cover 32 in the outside of described push-rod assembly 31 can play dust-proof effect, is effectively protected Push-rod assembly 31, the employing of fairlead apron 37, pad 38, apron 39 and liner 4 etc. and good airproof performance, Do not have oil leakage phenomenon, also reduce manufacture difficulty simultaneously, be effectively guaranteed the sealing of whole device, Avoid the leakage of hydraulic oil, cylinder body 1 can be played the effect of protection, it is to avoid the meeting when impulsive force is bigger simultaneously It is damaged, increases the service life of clutch cylinder body 1.
Above-described is only the preferred embodiment of the present invention, it is noted that for the ordinary skill of this area For personnel, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, this Broadly fall into protection scope of the present invention.

Claims (7)

1. a clutch master cylinder for belt sensor, including cylinder body, sensor installation seat, cross recess countersunk head spiral shell Nail, piston assembly, rubber hose and clip, it is characterised in that the bottom of described cylinder body is provided with oil-in, rubber The bottom of oil-in is located at by glue flexible pipe, and rubber hose is connected by clip is fixing with oil-in, and sensor is installed Seat is located at the front side of cylinder body, and sensor installation seat is connected by cross recessed countersunk head sscrew is fixing with cylinder body, cylinder body Rear end be provided with oil-out, and to be provided with chock plug and clamp, chock plug and oil-out solid by clamp in the end of oil-out Fixed connection, piston assembly is slidably mounted on the inside of cylinder body, and piston assembly includes push-rod assembly, piston, guiding Set, "O"-ring, annular magnet and nonreturn valve core assembly, piston is located at one end of push-rod assembly, piston with The junction of push-rod assembly is provided with ram seat, and the outside of piston is located at by fairlead, and fairlead and piston are by " O " Type circle fixes, and piston is provided with one-way valve seat and collar away from the top of push-rod assembly, and nonreturn valve core assembly passes through Collar is fixed on one-way valve seat, and annular magnet is socketed on the outside of piston.
The clutch master cylinder of a kind of belt sensor the most according to claim 1, it is characterised in that described The outside of push-rod assembly is provided with dust cover, and push-rod assembly is connected by dust cover with the front end of fairlead.
The clutch master cylinder of a kind of belt sensor the most according to claim 2, it is characterised in that described The junction of fairlead and piston is provided with fairlead apron and pad, and the rear side of piston is provided with apron.
The clutch master cylinder of a kind of belt sensor the most according to claim 1, it is characterised in that described The junction of piston assembly and cylinder body is provided with hole elastic spring.
The clutch master cylinder of a kind of belt sensor the most according to claim 1, it is characterised in that described The front end sleeve of the outside high spot of cylinder body is connected to liner.
The clutch master cylinder of a kind of belt sensor the most according to claim 1, it is characterised in that described The bottom of oil-in is provided with steel ball.
The clutch master cylinder of a kind of belt sensor the most according to claim 1, it is characterised in that described The bottom of rubber hose is provided with stopper, and stopper is socketed on the bottom of rubber hose.
CN201610213842.4A 2016-04-07 2016-04-07 Clutch main cylinder provided with sensor Pending CN105782287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610213842.4A CN105782287A (en) 2016-04-07 2016-04-07 Clutch main cylinder provided with sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610213842.4A CN105782287A (en) 2016-04-07 2016-04-07 Clutch main cylinder provided with sensor

Publications (1)

Publication Number Publication Date
CN105782287A true CN105782287A (en) 2016-07-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328848A (en) * 2017-07-24 2017-11-07 芜湖聚达汽车零部件有限公司 A kind of testboard of the clutch master cylinder of belt sensor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201121621Y (en) * 2007-11-06 2008-09-24 江苏武进液压启闭机有限公司 Hydraulic cylinder with built-in travel range testing apparatus
DE102008057107A1 (en) * 2007-11-19 2009-05-20 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Position measuring system for clutch disengaging system in motor vehicle, has fastening element comprising plugging region gripped by through-hole formed in magnet and pluggable into mounting hole
CN102400978A (en) * 2011-11-10 2012-04-04 江苏武进液压启闭机有限公司 Coal mine machinery hydraulic oil tank with stroke detecting device
CN203412989U (en) * 2013-06-26 2014-01-29 上海航天汽车机电股份有限公司汽车机电分公司 Plastic hydraulic cylinder of automobile clutch
CN204458914U (en) * 2014-12-30 2015-07-08 浙江科力车辆控制系统有限公司 A kind of clutch master cylinder with integrated displacement sensor
CN204477115U (en) * 2015-01-04 2015-07-15 浙江亚太机电股份有限公司 A kind of novel clutch master cylinder assembly
CN205654737U (en) * 2016-04-07 2016-10-19 芜湖聚达汽车零部件有限公司 Strip sensor's clutch master cylinder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201121621Y (en) * 2007-11-06 2008-09-24 江苏武进液压启闭机有限公司 Hydraulic cylinder with built-in travel range testing apparatus
DE102008057107A1 (en) * 2007-11-19 2009-05-20 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Position measuring system for clutch disengaging system in motor vehicle, has fastening element comprising plugging region gripped by through-hole formed in magnet and pluggable into mounting hole
CN102400978A (en) * 2011-11-10 2012-04-04 江苏武进液压启闭机有限公司 Coal mine machinery hydraulic oil tank with stroke detecting device
CN203412989U (en) * 2013-06-26 2014-01-29 上海航天汽车机电股份有限公司汽车机电分公司 Plastic hydraulic cylinder of automobile clutch
CN204458914U (en) * 2014-12-30 2015-07-08 浙江科力车辆控制系统有限公司 A kind of clutch master cylinder with integrated displacement sensor
CN204477115U (en) * 2015-01-04 2015-07-15 浙江亚太机电股份有限公司 A kind of novel clutch master cylinder assembly
CN205654737U (en) * 2016-04-07 2016-10-19 芜湖聚达汽车零部件有限公司 Strip sensor's clutch master cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328848A (en) * 2017-07-24 2017-11-07 芜湖聚达汽车零部件有限公司 A kind of testboard of the clutch master cylinder of belt sensor

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Application publication date: 20160720