CN205654737U - Strip sensor's clutch master cylinder - Google Patents
Strip sensor's clutch master cylinder Download PDFInfo
- Publication number
- CN205654737U CN205654737U CN201620284690.2U CN201620284690U CN205654737U CN 205654737 U CN205654737 U CN 205654737U CN 201620284690 U CN201620284690 U CN 201620284690U CN 205654737 U CN205654737 U CN 205654737U
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- Prior art keywords
- piston
- cylinder body
- sensor
- master cylinder
- assembly
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a strip sensor's clutch master cylinder, including cylinder body, sensor mount pad, cross recessed countersunk head screw, piston assembly, flexible rubber hose and clamp, the bottom of cylinder body is equipped with the oil inlet, the front side of cylinder body is located to the sensor mount pad, the sensor mount pad passes through cross recessed countersunk head screw fixed connection with the cylinder body, piston assembly slidable mounting is in the inside of cylinder body, the outside of piston is located to the uide bushing, the top that push rod spare was kept away from to the piston is equipped with one -way disk seat and rand, the one -way valve core subassembly is fixed in one -way disk seat through the rand, and annular magnet cup joints in the outside of piston, assembly loop type magnet on the piston, magnetic field intensity is 20 gausses, when clutch master cylinder during operation, magnetic field intensity is + 5 gausses, does magnetic field intensity do during the inoperative 5 gauss through loop type magnet on the push rod spare removal drive piston, produces intensity of overflow tank, makes sensor response intensity of overflow tank's change.
Description
Technical field
This utility model 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 this utility model,
It is characterized in that, including rack body, described rack body is provided with fixed structure, sensor is by described
Fixed structure is arranged on described rack body；The first mounting structure it is provided with on described rack body；Pass through
Described first mounting structure, described rack body is installed fixing by available securing member.This utility model is by setting
Put support can be connected with testee by sensor easily, the installation knot of sensor and testee can be simplified
Structure, 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 reality
With novel by the use requirement under the satisfied different demand signals of regulation sensor, i.e. start stop switch signal and electronics
The use requirement of the clutch master cylinder assembly under the output signal of dutycycle in demand.This utility model eliminates newly to be opened
Send out the die cost of sensor, reduce development cost and development time, continue to use additionally, due to sensor, test
Project reduces, and improves the versatility of product, reduces testing expenses.
Summary of the invention
Technical problem to be solved in the utility model is to provide the clutch master cylinder of a kind of belt sensor, to solve
The above-mentioned multinomial defect caused in prior art.
For achieving the above object, the technical scheme that this utility model offer is following: the clutch of a kind of belt sensor
Master cylinder, including cylinder body, sensor installation seat, cross recessed countersunk head sscrew, piston assembly, rubber hose and clip,
The bottom of described cylinder body is provided with oil-in, and rubber hose is located at the bottom of oil-in, and rubber hose and oil-in
Connecting by clip is fixing, sensor installation seat is located at the front side of cylinder body, and sensor installation seat passes through with cylinder body
Cross recessed countersunk head sscrew is fixing to be connected, and the rear end of cylinder body is provided with oil-out, and the end of oil-out be 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 includes push-rod assembly, piston, fairlead, "O"-ring, annular magnet and nonreturn valve core assembly, lives
One end of push-rod assembly is located at by plug, and piston is provided with ram seat with the junction of push-rod assembly, and piston is located at by fairlead
Outside, fairlead is fixed by "O"-ring with piston, and piston is provided with list away from the top of push-rod assembly
To valve seat and collar, nonreturn valve core assembly is fixed on one-way valve seat by collar, and annular magnet is socketed on piston
Outside.
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+5 Gauss；During inoperative, when i.e. push-rod assembly is displaced outwardly, magnetic field intensity-5 Gauss,
Move ring magnet on drive piston by push-rod assembly, produce magnetic induction, make sensor sensing magnetic induction
The change of intensity, 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 half sectional view of the present utility model；
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 this utility model；
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 preferred implementation of the present utility model below in conjunction with the accompanying drawings in detail.
Fig. 1 to Fig. 5 shows detailed description of the invention of the present utility model: 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 hose 11 is connected by clip 6 is fixing with oil-in 14, sensor installation seat 10 is located at cylinder body 1
Front side, and sensor installation seat 10 and master cylinder be connected by cross recessed countersunk head sscrew is fixing, the rear end of master cylinder
It is provided with oil-out 13, and the end of oil-out 13 is provided with chock plug 7 and clamp 8, chock plug 7 and oil-out 13
Connecting by clamp 8 is fixing, piston assembly 3 is slidably mounted on the inside of cylinder body 1, and piston assembly 3 includes pushing away
Bar assembly 31, piston 33, fairlead 34, " O " type circle 36, annular magnet and nonreturn valve core assembly 313,
Piston 33 is located at one end of push-rod assembly 31, and piston 33 is provided with ram seat with the junction of push-rod assembly 31
35, the outside of piston 33 is located at by fairlead 34, and fairlead 34 passes through with piston 33 " O " type circle 36 phase is admittedly
Fixed, piston 33 is provided with one-way valve seat 312 and collar 311, nonreturn valve core group away from the top of push-rod assembly 31
Part 313 is fixed on one-way valve seat 312 by collar 311, 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 this utility model, the outside of described push-rod assembly 31 is provided with dust cover 32, push-rod assembly 31 with
The front end of fairlead 34 is connected by dust cover 32, and the junction of described fairlead 34 and piston 33 is provided with
Fairlead apron 37 and pad 38, the rear side of piston 33 is provided with apron 39, and the outside of described cylinder body 1 is protruding
The front end sleeve at place is connected to liner 4.The dust cover 32 in the outside of push-rod assembly 31 can play dust-proof effect,
It 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 whole dress
The sealing put, it is to avoid the leakage of hydraulic oil, can play the effect of protection simultaneously to cylinder body 1, it is to avoid in punching
Can be damaged when power of hitting is bigger, increase the service life of clutch cylinder body 1.
In this utility model, the junction of described piston assembly 3 and cylinder body 1 is provided with hole elastic spring 2,
The employing of hole elastic spring 2 enables to the connection between piston assembly 3 and cylinder body 1 and installs the most square
Just, the difficulty of manufacture is greatly reduced.
In this utility model, the bottom of described oil-in 14 is provided with steel ball 5, the end of described rubber hose 11
End is provided with stopper 12, and stopper 12 is socketed on the bottom of rubber hose 11, it is possible to protect rubber when not in use
The inside of flexible pipe 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 is+5 Gausses；During inoperative, when i.e. push-rod assembly 31 is displaced outwardly, magnetic field intensity is
-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 so that the displacement sensed is more smart
Really, the effect of Based Intelligent Control is reached.
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 preferred implementation of the present utility model, it is noted that common for this area
For technical staff, without departing from this utility model create design on the premise of, it is also possible to make some deformation and
Improving, these broadly fall into protection domain of the present utility model.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620284690.2U CN205654737U (en) | 2016-04-07 | 2016-04-07 | Strip sensor's clutch master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620284690.2U CN205654737U (en) | 2016-04-07 | 2016-04-07 | Strip sensor's clutch master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654737U true CN205654737U (en) | 2016-10-19 |
Family
ID=57390122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620284690.2U Active CN205654737U (en) | 2016-04-07 | 2016-04-07 | Strip sensor's clutch master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782287A (en) * | 2016-04-07 | 2016-07-20 | 芜湖聚达汽车零部件有限公司 | Clutch main cylinder provided with sensor |
| CN110925330A (en) * | 2019-11-29 | 2020-03-27 | 安徽江淮汽车集团股份有限公司 | Clutch master cylinder and vehicle |
-
2016
- 2016-04-07 CN CN201620284690.2U patent/CN205654737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782287A (en) * | 2016-04-07 | 2016-07-20 | 芜湖聚达汽车零部件有限公司 | Clutch main cylinder provided with sensor |
| CN110925330A (en) * | 2019-11-29 | 2020-03-27 | 安徽江淮汽车集团股份有限公司 | Clutch master cylinder and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |