CN204458642U - Hydraulic jack and there is the hydraulic clutch operating mechanism of this hydraulic jack - Google Patents
Hydraulic jack and there is the hydraulic clutch operating mechanism of this hydraulic jack Download PDFInfo
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- CN204458642U CN204458642U CN201420852486.7U CN201420852486U CN204458642U CN 204458642 U CN204458642 U CN 204458642U CN 201420852486 U CN201420852486 U CN 201420852486U CN 204458642 U CN204458642 U CN 204458642U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a kind of hydraulic jack and hydraulic clutch operating mechanism, this hydraulic jack comprises the flexible rod that cylinder body and one end are arranged at cylinder interior, cylinder body is provided with the first magnet, flexible rod is provided with the second magnet, first magnet is arranged at the periphery wall of cylinder body, the bar section that flexible rod is placed in cylinder body outside is provided with boss, and the second magnet is located at the end face of relative first magnet of boss; This hydraulic jack as hydraulic clutch operating mechanism operating cylinder use time, the power-assisted that the active force produced between first magnet and the second magnet stretches out as the flexible rod of operating cylinder, compared with prior art, when realizing clutch brake stroke and being identical, the pedal force of clutch pedal needed for the utility model is relatively little, relatively can reduce the manipulation strength of driver, avoid fatigue driving, improve drive safety, and this hydraulic clutch operating mechanism structure is simple, arrangement convenience, can improve car load power performance.
Description
Technical field
The utility model relates to brake control art, particularly hydraulic jack and have this hydraulic jack.
Background technique
Hydraulic type clutch manipulation surface friction drag is little, transmission efficiency is high, joint is soft, therefore applies widely on automobile.
Generally handle the difference whether having power-assisted and power-assisted source according to hydraulic type clutch, hydraulic type, gas assisted hydraulic formula and vacuum assisted hydraulic formula can be divided into again.At present in many Light-duty Vehicle, on the one hand because clutch pedal peripheral space is narrow and small, vacuum booster cannot be arranged, and electronic vacuum pump integrity problem slowly can not get remarkable improvement, therefore cannot carry out vacuum servo; On the other hand, consider for passenger's riding comfort, adopt hydraulic braking, therefore car load does not have air-source yet more, thus cannot realize gas power-assisted.Therefore this kind of vehicle many employings hydraulic type on-off control mechanism.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical hydraulic clutch operating mechanism of prior art.
Hydraulic clutch operating mechanism comprises clutch pedal, master cylinder, operating cylinder and clutch, clutch pedal is arranged at cabin interior, clutch pedal is articulated with on pedal bracket, the external part of master cylinder flexible rod connects clutch pedal, the oil pocket of master cylinder, operating cylinder is connected by hydraulic pipe line, the projecting end of the flexible rod of operating cylinder connects an end of brake connecting rod, and the other end of brake connecting rod connects the disengaging yoke of clutch, and the middle part of brake connecting rod is articulated with on vehicle body.
When driver tramples the pedal of clutch pedal, clutch pedal rotates around the articulating point with pedal bracket, and then the flexible rod promoting master cylinder travels forward, hydraulic oil in master cylinder flows into operating cylinder under the squeezing action of the piston be connected with flexible rod, the flexible rod of oil cylinder of pushing the work forward stretches out, flexible rod rotates promoting the articulating point of brake connecting rod around brake connecting rod and vehicle body, and the rotation of brake connecting rod drives shift fork to move backward, realizes the disconnection of clutch.
As can be seen from the above description, hydraulic clutch operating mechanism is that the hydraulic coupling relying on manpower to produce carrys out solenoidoperated cluthes disconnection, and is realized the change of clutch pedal power and stroke by lever principle and pipeline pressure principle.The geometrical analysis of system can calculate as follows: F
step on* L
step on=F
shift fork* L
shift fork, usually, after clutch is selected, F
shift forkand L
shift forknamely determine, usually can carry out reasonable distribution clutch pedal power F by adjust system lever ratio
step onwith pedal travel L
step on, but by human engineering with arrange restriction, clutch pedal clearance increase is very limited, and along with the increase of Engine torque, clutch separation power and shift fork Separating force F
shift forksignificantly increase, cause pedaling force F
step onsharply increase, clutch pedal power is heavy, operating difficulties, and driver fatigue sense aggravates, and also can cause security incident time serious.
Therefore, how to provide a kind of hydraulic clutch operating mechanism, this on-off control mechanism structure be simple, arrangement convenience, can improve car load power performance and drive safety, be those skilled in that art's technical problems urgently to be resolved hurrily.
Model utility content
The purpose of this utility model is for providing a kind of hydraulic jack and having the hydraulic clutch operating mechanism of this hydraulic jack, and this on-off control mechanism structure is simple, arrangement convenience, can improve car load power performance and drive safety.
For solving the problems of the technologies described above, the utility model provides a kind of hydraulic jack, comprise the flexible rod that cylinder body and one end are arranged at described cylinder interior, described cylinder body is provided with the first magnet, described flexible rod is provided with the second magnet, described first magnet is arranged at the periphery wall of described cylinder body, and the bar section that described flexible rod is placed in described cylinder body outside is provided with boss, and described second magnet is located at the end face of relatively described first magnet of described boss.
Preferably, the outer wall of described cylinder body is circumscribed with seal casinghousing, and described cylinder part is placed in the cavity that described seal casinghousing surrounds, and it is outside that the external part of described flexible rod is placed in described seal casinghousing through the cavity that described seal casinghousing surrounds;
Described first magnet is arranged on the periphery wall of described cylinder body of the cavity inside being positioned at described seal casinghousing, and described boss is positioned at the cavity inside of described seal casinghousing.
Preferably, spring is pressed with between the other end of described boss and the inwall of described seal casinghousing.
Preferably, the circumference of described boss is provided with annular groove, is provided with seal ring in described groove, and described boss is by the inner circle wall motive sealing of described seal ring and described seal casinghousing.
Preferably, described seal casinghousing comprises the first cylindrical shell, the second cylindrical shell and end plate, and described first cylindrical shell is nested in the rearward end of described cylinder body and one-body molded with described cylinder body;
The front-end face of described second cylindrical shell has the radial boss extended internally, ear end face has outward extending radial boss, the described radial boss extended internally contacts in the ear end face circumferential seal of described sleeve, and described outward extending radial boss contacts with described end plate circumferential seal; Described first cylindrical shell, described second cylindrical shell and described end plate surround the cavity of described seal casinghousing;
Described end plate is provided with through hole, and the cavity that the external part of described flexible rod is placed in described seal casinghousing through described through hole is outside.
Preferably, also comprise dust-proof sleeve pipe, the projecting end of described flexible rod is also provided with nut, described dirt-proof boot pipe box fills described flexible rod, and one end sealing is against the outer wall of described end plate, and the other end sealing is against described nut.
Preferably, described first magnet and described second magnet wherein one are electromagnetic coil, and another one is permanent magnet or electromagnetic coil, and described electromagnetic coil and external circuit can form loop.
The utility model is a kind of hydraulic clutch operating mechanism also, comprise clutch pedal, master cylinder, operating cylinder, clutch, the flexible rod external part of described master cylinder is connected on described clutch pedal, the oil pocket of described master cylinder is communicated with the oil pocket of described operating cylinder, the flexible rod external part of described operating cylinder connects an engagement end portion of described clutch, the cylinder body of described operating cylinder is provided with the first magnet, described flexible rod is provided with the second magnet, described second magnet and described first magnet are oppositely arranged;
Described hydraulic clutch operating mechanism also comprises detecting switch and controller,
Described detecting switch, for detecting the working state signal of described clutch pedal;
Described controller, the working state of described clutch pedal is judged according to above-mentioned testing signal, if described clutch pedal is in trample braking state, then send the control command opposed end of the first magnet and the second magnet being set to same sex magnetic, so that under the two repulsion force, the flexible rod of described operating cylinder stretches out.
Preferably, described first magnet is arranged at the cylinder interior of described operating cylinder, and described second magnet is arranged at the end of described flexible rod.
The utility model additionally provides a kind of hydraulic clutch operating mechanism, comprise clutch pedal, master cylinder, operating cylinder, clutch, the flexible rod external part of described master cylinder is connected on described clutch pedal, the oil pocket of described master cylinder is communicated with the oil pocket of described operating cylinder, the flexible rod external part of described operating cylinder connects an engagement end portion of described clutch, and described operating cylinder is the hydraulic jack described in above-mentioned any one;
Described hydraulic clutch operating mechanism also comprises detecting switch and controller,
Described detecting switch, for detecting the working state signal of described clutch pedal;
Described controller, the working state of described clutch pedal is judged according to above-mentioned testing signal, if described clutch pedal is in trample braking state, then send the control command opposed end of the first magnet and the second magnet being set to same sex magnetic, so that under the two repulsion force, the flexible rod of described operating cylinder stretches out.
Hydraulic clutch operating mechanism provided by the utility model, when driver tramples lower clutch pedal, on the one hand under the drive of clutch pedal, the flexible rod of master cylinder bounces back to forward in oil hydraulic cylinder, hydraulic oil in master cylinder is delivered in the oil pocket of operating cylinder, under hydraulic fluid pressure effect, the flexible rod of operating cylinder stretches out, and pulls the engagement end portion of clutch to move backward; On the other hand, in hydraulic clutch operating mechanism, detecting switch detects the working state signal of current state clutch pedal, and this working state signal is sent to controller, controller judges that now clutch pedal is in and tramples braking state, then send the control command opposed end of the first magnet and the second magnet being set to same sex magnetic, to produce the repulsive force making the flexible rod of operating cylinder stretch out; That is, the active force put on clutch derives from two-part, and a part derives from the hydraulic action that main oil pump is pumped to work oil pump, and another part derives from the magnetic force produced between the first magnet and the second magnet in operating cylinder.
The power-assisted that the utility model adopts the active force that produces between the first magnet and the second magnet to stretch out as the flexible rod of operating cylinder, compared with prior art, when realizing clutch brake stroke and being identical, the pedal force of clutch pedal needed for the utility model is relatively little, relatively can reduce the manipulation strength of driver, avoid fatigue driving, improve drive safety, and this hydraulic clutch operating mechanism structure is simple, arrangement convenience, can improve car load power performance.
In addition, when driver unclamps clutch pedal, controller detects by detecting switch the signal come and judges that clutch pedal is now in and non-ly trample state, then can make the first magnet and the second magnet at least one demagnetization, repulsive force is between the two disappeared, the active force of the engagement end portion acting on clutch is disappeared.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of typical hydraulic clutch operating mechanism of prior art;
Fig. 2 is the structural representation of hydraulic jack in a kind of embodiment of the utility model;
Fig. 3 is the structural representation of hydraulic clutch operating mechanism in a kind of embodiment of the utility model.
Wherein, the one-to-one relationship in Fig. 1 between component names and reference character is as follows:
Clutch pedal 1, master cylinder 2, connecting pipeline 3, operating cylinder 4, shift fork and bearing unit 5, clutch 6.
Wherein, the one-to-one relationship in Fig. 2-3 between component names and reference character is as follows:
Clutch pedal 11, detecting switch 12, external circuit 13, shift fork and bearing unit 14, clutch 15, operating cylinder 16, flexible rod 161, boss 1611, annular groove 1611a, cylinder body 162, first cylindrical shell 163, second cylindrical shell 164, the radial boss 1641 extended internally, outward extending radial boss 1642, first magnet 165, second magnet 166, spring 167, seal ring 168, end plate 169, connecting pipeline 17, master cylinder 18, dust-proof sleeve pipe 20, nut 21, brake connecting rod 22.
Embodiment
Core of the present utility model is for providing a kind of hydraulic jack and having the hydraulic clutch operating mechanism of this hydraulic jack, and this on-off control mechanism structure is simple, arrangement convenience, can improve car load power performance and drive safety.
Without loss of generality; in vehicle hydraulic on-off control mechanism, technique effect is introduced as the example that is applied as of operating cylinder (also referred to as clutch slave cylinder) herein using hydraulic jack; certainly, hydraulic jack provided in this article is applied to other hydraulic systems also within protection domain herein.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to the structural representation that Fig. 2-3, Fig. 2 is hydraulic clutch operating mechanism in a kind of embodiment of the utility model; Fig. 3 is the structural representation of hydraulic clutch operating mechanism in a kind of embodiment of the utility model.
The utility model provides a kind of hydraulic clutch operating mechanism, this mechanism comprises clutch pedal 11, master cylinder 18, operating cylinder 16, clutch 15, it should be noted that, master cylinder 18 described is herein also referred to as clutch main pump, operating cylinder 16 is also referred to as clutch slave cylinder, master cylinder 18 and operating cylinder 16 can be ram cylinder, also can be piston type cylinder, introduce technological scheme herein with the example that is applied as of piston type cylinder.Clutch pedal 11 is generally positioned in the operator cabin of vehicle, be articulated with on pedal bracket, the flexible rod external part of master cylinder 18 is connected on clutch pedal 11, the oil pocket of master cylinder 18 passes through the oil pocket of pipeline connection operating cylinder 16, the flexible rod external part of operating cylinder 16 connects an engagement end portion of clutch 15, and operating cylinder 16 can be fixed on transmission for vehicles by support.
Usually, vehicle frame is also hinged with brake connecting rod 22, as shown in Figure 3, the articulating point of vehicle frame and brake connecting rod 22 is C, the flexible rod of operating cylinder 16 and the engagement end portion of clutch 15 are all connected on brake connecting rod 22, flexible rod 161 promotes or pulls the articulating point of brake connecting rod 22 relative brake connecting rod 22 to rotate, realize clutch 15 in conjunction with end and another being separated or engaging in conjunction with end.Particularly, the engagement end portion of clutch 15 can be connected brake connecting rod 22 by bearing with shift fork.
Wherein, for better understanding technological scheme, the articulating point giving clutch pedal 11 and pedal bracket in Fig. 3 is A, the external part of the telescopic cylinder of master cylinder 18 and the tie point of clutch pedal 11 are B, the illustrated position of clutch pedal 11 braking and non-brake two state, dotted line represents application position, and solid line represents non-braking position, P1 and P2 represents the arm of force of the flexible rod of master cylinder 18 and the arm of force of clutch pedal 11 respectively; L
mainand L
step onrepresent the displacement of clutch pedal 11 and the flexible rod displacement of master cylinder 18 respectively; F
step onrepresent the pedal force of driver during braking; F
pointrepresent braking force, the F of operating cylinder 16
shift forkrepresent the braking force suffered by shift fork; L
shift forkrepresent the displacement of shift fork; P4 and P3 represents the arm of force of operating cylinder 16 and shift fork respectively.
The cylinder body of the operating cylinder 16 in the utility model is provided with the first magnet 165, flexible rod is provided with the second magnet 166, second magnet 166 and the first magnet 165 is oppositely arranged; Hydraulic clutch operating mechanism of the present utility model also comprises detecting switch 12 and controller, detecting switch 12, for detecting the working state signal of clutch pedal 11; Detecting switch 12 can, for being arranged at the noncontacting proximity sensor on pedal bracket, also can be touch sensor.
Controller, the working state of clutch pedal 11 is judged according to above-mentioned testing signal, if clutch pedal 11 is in trample braking state, then send the control command opposed end of the first magnet 165 and the second magnet 166 being set to same sex magnetic, so that under the two repulsion force, the flexible rod of operating cylinder 16 stretches out.
Hydraulic clutch operating mechanism provided by the utility model, when driver tramples lower clutch pedal 11, on the one hand under the drive of clutch pedal 11, the flexible rod of master cylinder 18 bounces back to forward in oil hydraulic cylinder, hydraulic oil in master cylinder 18 is delivered in the oil pocket of operating cylinder 16 by connecting pipeline 17, under hydraulic fluid pressure effect, the flexible rod 161 of operating cylinder 16 stretches out, and pulls the engagement end portion of clutch 15 to move backward; On the other hand, in hydraulic clutch operating mechanism, detecting switch 12 detects the working state signal of current state clutch pedal 11, and this working state signal is sent to controller, controller judges that now clutch pedal 11 is in and tramples braking state, then send the control command opposed end of the first magnet 165 and the second magnet 166 being set to same sex magnetic, to produce the repulsive force making the flexible rod of operating cylinder 16 stretch out; That is, the active force put on clutch 15 derives from two-part, a part derives from the hydraulic action that master cylinder 18 is pumped to operating cylinder 16, and another part derives from the magnetic force produced between the first magnet 165 and the second magnet 166 in operating cylinder 16.
The power-assisted that the utility model adopts the active force produced between the first magnet 165 and the second magnet 166 to stretch out as the flexible rod of operating cylinder 16, compared with prior art, when realizing clutch 15 braking distance and being identical, needed for the utility model, the pedal force of clutch pedal 11 is relatively little, relatively can reduce the manipulation strength of driver, avoid fatigue driving, improve drive safety, and this hydraulic clutch operating mechanism structure is simple, arrangement convenience, can improve car load power performance.
In addition, when driver unclamps clutch pedal 11, controller detects by detecting switch 12 signal come and judges that clutch pedal 11 is now in and non-ly trample state, then can make the first magnet 165 and the second magnet 166 at least one demagnetization, repulsive force is between the two disappeared, the active force of the engagement end portion acting on clutch 15 is disappeared.
In a kind of embodiment, the cylinder body 162 that the first magnet 165 can be arranged at operating cylinder 16 is inner, and the second magnet 166 can be arranged at the end of flexible rod 161.
The controlling method of above-mentioned hydraulic clutch operating mechanism is specific as follows:
The working state signal of S1, detection clutch pedal 11;
S2, judge the working state of described clutch pedal 11 according to above-mentioned testing signal, if described clutch pedal 11 is in trample braking state, then send the control command opposed end of the first magnet 165 and the second magnet 166 being set to same sex magnetic.
In another kind of embodiment, cylinder body is provided with the first magnet 165, flexible rod is provided with the second magnet 166, first magnet 165 is arranged at the periphery wall of cylinder body, the bar section that flexible rod is placed in the cylinder body outside of operating cylinder 16 is provided with boss 1611, and the second magnet 166 is located at the end face of relative first magnet 165 of boss 1611.
First magnet 165 and the second magnet 166 are arranged at the outside of operating cylinder 16, not only be convenient to the installation of the first magnet 165 and the second magnet 166, and be convenient to maintain and replace, and can according to first magnet 165 or second magnet 166 needing replacing suitable of system.
In above-described embodiment, the outer wall of the cylinder body 162 of operating cylinder 16 is circumscribed with seal casinghousing, and cylinder part is placed in the cavity that seal casinghousing surrounds, and the cavity that the external part of flexible rod 161 surrounds through seal casinghousing is placed in seal casinghousing outside; First magnet 165 is arranged at cylinder body 162 periphery wall being placed in cavity inside, and boss is positioned at seal casinghousing.Seal casinghousing can provide relative airtight working environment to the first magnet 165 with the second magnet 166, avoid the impurity such as extraneous dust on the impact of the first magnet 165 and the second magnet 166 service behaviour, improve working life and the functional reliability of the first magnet 165 and the second magnet 166.
Concrete structure for seal casinghousing can adopt various ways, following present a kind of embodiment of seal casinghousing.
In a kind of embodiment, seal casinghousing can comprise the first cylindrical shell 163, second cylindrical shell 164 and end plate 169, first cylindrical shell 163 is nested in the rearward end of cylinder body and one-body molded with cylinder body, the front-end face of the second cylindrical shell 164 has the radial boss 1641 extended internally, ear end face has outward extending radial boss 1642, the radial boss 1641 extended internally contacts in the ear end face circumferential seal of sleeve, and outward extending radial boss 1642 contacts with end plate 169 circumferential seal; First cylindrical shell 163, second cylindrical shell 164 and end plate 169 surround the cavity of seal casinghousing; End plate 169 is provided with through hole, and the cavity that the external part of flexible rod 161 is placed in seal casinghousing through through hole is outside.
Seal casinghousing in this mode of execution is convenient to assembling.
Further, hydraulic jack can also comprise dust-proof sleeve pipe 20, the projecting end of flexible rod 161 is also provided with nut 21, dust-proof sleeve pipe 20 is set with flexible rod 161, one end sealing is against the outer wall of end plate 169, the other end sealing, against nut 21, can prevent external dust from entering the cavity inside of seal casinghousing so further.
Certainly, when clutch pedal 11 by trample State Transferring be non-trample state time, previous condition is returned to rapidly in order to make the flexible rod 161 of operating cylinder 16, put on the slow disappearance of magnetic power-assisted flexible rod 161 on to the impact of flexible rod when reducing braking state as far as possible, between the other end of boss 1611 and the inwall of seal casinghousing, spring 167 can also be pressed with.
In the various embodiments described above, the circumference of boss can be provided with annular groove 1611a, is provided with seal ring 168 in annular groove 1611a, and boss is by the inner circle wall motive sealing of seal ring 168 with seal casinghousing.
In the various embodiments described above, the first magnet 165 and the second magnet 166 wherein one are electromagnetic coil, and another one is permanent magnet, and electromagnetic coil and external circuit 13 form loop; Only need control the closed of the external circuit 13 be communicated with electromagnetic coil in present embodiment or disconnect, acquisition or the disappearance of magnetic force between the first magnet 165 and the second magnet 166 can be realized.
Certainly, the first magnet 165 and the second magnet 166 also can be electromagnetic coil, also by regulating the size of electric current in electromagnetic coil, can regulate the magnetic force between the first magnet 165 and the second magnet 166.
Above a kind of hydraulic jack provided by the utility model, hydraulic clutch operating mechanism and controlling method are described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a hydraulic jack, comprise cylinder body (162) and one end and be arranged at the inner flexible rod (161) of described cylinder body (162), it is characterized in that, described cylinder body (162) is provided with the first magnet (165), described flexible rod (161) is provided with the second magnet (166), described first magnet (165) is arranged at the periphery wall of described cylinder body (162), described flexible rod (161) is placed in the outside bar section of described cylinder body (162) and is provided with boss (1611), described second magnet (166) is located at the end face of relatively described first magnet (165) of described boss (1611).
2. hydraulic jack as claimed in claim 1, it is characterized in that, the outer wall of described cylinder body (162) is circumscribed with seal casinghousing, described cylinder body (162) part is placed in the cavity that described seal casinghousing surrounds, and it is outside that the external part of described flexible rod (161) is placed in described seal casinghousing through the cavity that described seal casinghousing surrounds;
Described first magnet (165) is located on the periphery wall of described cylinder body (162) of the cavity inside being positioned at described seal casinghousing, and described boss (1611) is positioned at the cavity inside of described seal casinghousing.
3. hydraulic jack as claimed in claim 2, is characterized in that, be pressed with spring (167) between the other end of described boss (1611) and the inwall of described seal casinghousing.
4. hydraulic jack as claimed in claim 2, it is characterized in that, the circumference of described boss (1611) is provided with annular groove (1611a), be provided with seal ring (168) in described annular groove, described boss (1611) is by the inner circle wall motive sealing of described seal ring (168) with described seal casinghousing.
5. hydraulic jack as claimed in claim 2, it is characterized in that, described seal casinghousing comprises the first cylindrical shell (163), the second cylindrical shell (164) and end plate (169), and described first cylindrical shell (163) is nested in the rearward end of described cylinder body (162) and one-body molded with described cylinder body (162);
The front-end face of described second cylindrical shell (164) has the radial boss (1641) extended internally, ear end face has outward extending radial boss (1642), the described radial boss (1641) extended internally contacts in the ear end face circumferential seal of described first cylindrical shell (163), and described outward extending radial boss (1642) contacts with described end plate (169) circumferential seal; Described first cylindrical shell (163), described second cylindrical shell (164) and described end plate (169) surround the cavity of described seal casinghousing;
(169) are provided with through hole with described end plate, and the cavity that the external part of described flexible rod (161) is placed in described seal casinghousing through described through hole is outside.
6. hydraulic jack as claimed in claim 5, it is characterized in that, also comprise dust-proof sleeve pipe (20), the projecting end of described flexible rod (161) is also provided with nut (21), described dust-proof sleeve pipe (20) is set with described flexible rod (161), one end sealing is against the outer wall of described end plate (169), and the other end sealing is against described nut (21).
7. the hydraulic jack as described in any one of claim 1 to 6, it is characterized in that, described first magnet (165) and described second magnet (166) wherein one are electromagnetic coil, another one is permanent magnet or electromagnetic coil, and described electromagnetic coil and external circuit (13) can form loop.
8. a hydraulic clutch operating mechanism, comprise clutch pedal (11), master cylinder (18), operating cylinder (16), clutch (15), the flexible rod external part of described master cylinder (18) is connected on described clutch pedal (11), the oil pocket of described master cylinder (18) is communicated with the oil pocket of described operating cylinder (16), flexible rod (161) external part of described operating cylinder (16) connects an engagement end portion of described clutch (15), it is characterized in that, the cylinder body (162) of described operating cylinder (16) is provided with the first magnet (165), described flexible rod (161) is provided with the second magnet (166), described second magnet (166) and described first magnet (165) are oppositely arranged,
Described hydraulic clutch operating mechanism also comprises detecting switch (12) and controller,
Described detecting switch (12), for detecting the working state signal of described clutch pedal (11);
Described controller, the working state of described clutch pedal (11) is judged according to above-mentioned testing signal, if described clutch pedal (11) is in trample braking state, then send the control command opposed end of the first magnet (165) and the second magnet (166) being set to same sex magnetic, so that under the two repulsion force, the flexible rod of described operating cylinder (16) stretches out.
9. hydraulic clutch operating mechanism as claimed in claim 8, it is characterized in that, described first magnet (165) is arranged at the cylinder interior of described operating cylinder (16), and described second magnet (166) is arranged at the end of described flexible rod.
10. a hydraulic clutch operating mechanism, comprise clutch pedal (11), master cylinder (18), operating cylinder (16), clutch (15), the flexible rod external part of described master cylinder (18) is connected on described clutch pedal (11), the oil pocket of described master cylinder (18) is communicated with the oil pocket of described operating cylinder (16), the flexible rod external part of described operating cylinder (16) connects an engagement end portion of described clutch (15), it is characterized in that, described operating cylinder (16) is the hydraulic jack described in any one of claim 1 to 7,
Described hydraulic clutch operating mechanism also comprises detecting switch (12) and controller,
Described detecting switch (12), for detecting the working state signal of described clutch pedal (11);
Described controller, the working state of described clutch pedal (11) is judged according to above-mentioned testing signal, if described clutch pedal (11) is in trample braking state, then send the control command opposed end of the first magnet (165) and the second magnet (166) being set to same sex magnetic, so that under the two repulsion force, the flexible rod of described operating cylinder (16) stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852486.7U CN204458642U (en) | 2014-12-29 | 2014-12-29 | Hydraulic jack and there is the hydraulic clutch operating mechanism of this hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852486.7U CN204458642U (en) | 2014-12-29 | 2014-12-29 | Hydraulic jack and there is the hydraulic clutch operating mechanism of this hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458642U true CN204458642U (en) | 2015-07-08 |
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ID=53665536
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420852486.7U Expired - Fee Related CN204458642U (en) | 2014-12-29 | 2014-12-29 | Hydraulic jack and there is the hydraulic clutch operating mechanism of this hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564903A (en) * | 2014-12-29 | 2015-04-29 | 潍柴动力股份有限公司 | Hydraulic oil cylinder, hydraulic clutch operation mechanism and control method |
| CN112611519A (en) * | 2020-12-23 | 2021-04-06 | 芜湖稳乐制动系统有限公司 | Power-assisted oil cylinder detection device of automobile braking system |
-
2014
- 2014-12-29 CN CN201420852486.7U patent/CN204458642U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564903A (en) * | 2014-12-29 | 2015-04-29 | 潍柴动力股份有限公司 | Hydraulic oil cylinder, hydraulic clutch operation mechanism and control method |
| CN112611519A (en) * | 2020-12-23 | 2021-04-06 | 芜湖稳乐制动系统有限公司 | Power-assisted oil cylinder detection device of automobile braking system |
| CN112611519B (en) * | 2020-12-23 | 2024-04-02 | 芜湖稳乐制动系统有限公司 | Power-assisted cylinder detection device of automobile braking system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |