CN106195055A - Throttle valve element for the actuation means of operating and controlling vehicle clutch - Google Patents

Throttle valve element for the actuation means of operating and controlling vehicle clutch Download PDF

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Publication number
CN106195055A
CN106195055A CN201510477138.5A CN201510477138A CN106195055A CN 106195055 A CN106195055 A CN 106195055A CN 201510477138 A CN201510477138 A CN 201510477138A CN 106195055 A CN106195055 A CN 106195055A
Authority
CN
China
Prior art keywords
piston
face
throttle valve
valve element
towards
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
CN201510477138.5A
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Chinese (zh)
Inventor
S.塞利克
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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Filing date
Publication date
Application filed by GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Publication of CN106195055A publication Critical patent/CN106195055A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/0413—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed in one direction only, with no control in the reverse direction, e.g. check valve in parallel with a throttle valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0651—One-way valve the fluid passing through the solenoid coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0221—Valves for clutch control systems; Details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
    • F16D2048/023—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by pedal actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
    • F16D2048/0263—Passive valves between pressure source and actuating cylinder, e.g. check valves or throttle valves

Landscapes

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

Abstract

The present invention relates to the throttle valve element (29) of a kind of fluid section for changing in the fluid pressure line (26) between the active and slave cylinder (16,20) of the actuation means (10) for operating and controlling vehicle clutch (12), it has: with the housing (100) of hydraulic channel (110)；Piston (120), described piston (120) is placed to the closing direction of make position slidably from open position in the hydraulic channel section (130) of hydraulic channel (110), in described open position, hydraulic channel section (130) has the first minimum stream body section, and in described make position, hydraulic channel section (130) has the second minimum stream body section less than the first minimum stream body section；With closed electromagnetic body (170), described closed electromagnetic body (170) is for sliding piston (120) and having the end face towards piston, after described end face is disposed in the end face towards closed electromagnetic body of piston (120) in make position on closing direction on closing direction.

Description

Throttle valve element for the actuation means of operating and controlling vehicle clutch
Technical field
The present invention relates to a kind of for changing the throttle valve element of fluid section, the actuation means with this throttle valve element and the vehicle in the fluid pressure line between active cylinder and the slave cylinder of the actuation means of operating and controlling vehicle clutch and for the method manufacturing this throttle valve element.
Background technology
By a kind of hydraulic control device with the throttle valve element being designed to electromagnetic valve known in DE 102004062554A1.To this end, closing coil surrounds axially slidable valve part concentrically, the end face of valve part axially enters in coil in its make position.
It is higher that shortcoming is that such throttle valve element is configured to diametrically.
Summary of the invention
The technical problem to be solved is, improves the manufacture of vehicle and/or vehicle.
Described technical problem is solved by a kind of throttle valve element, and this throttle valve element is used for changing the fluid section in the fluid pressure line between active and the slave cylinder of the actuation means of operating and controlling vehicle clutch,
It has:
There is the housing of hydraulic channel；
Piston, described piston is placed to the closing direction of make position slidably from open position in the hydraulic channel section of hydraulic channel, when open position, hydraulic channel section has the first minimum stream body section, and when make position, hydraulic channel section has the second minimum stream body section less than the first minimum stream body section；
With closed electromagnetic body, described closed electromagnetic body is for sliding piston and having the end face towards piston, after described end face is disposed in the end face towards closed electromagnetic body of piston in make position on closing direction on closing direction.
According to one aspect of the present invention, for the actuation means of operating and controlling vehicle clutch or vehicle, the especially actuation means of person-carrying vehicle have particularly by the controllable active cylinder of pedal with for the slave cylinder making clutch depart from, slave cylinder is connected with active cylinder by fluid pressure line, is arranged with throttle valve element between active cylinder and slave cylinder.In force, in order to realize the disengaging of clutch, making slave cylinder be linked with clutch fork, in alternative enforcement, slave cylinder is configured to other, especially direct clutch manipulation.One implement in, actuation means has control device, for throttle valve element closed electromagnetic body (Schlie β-Elektromagneten) be energized, a kind of extension in be also used to throttle valve element open electromagnet (-Elektromagneten) energising, this depends on the running status of vehicle, especially clutch and/or pedal.
By the fluid section in fluid pressure line so can be changed in a kind of enforcement, and the most especially reduce clutch the power drive system being disposed with clutch crossing high load capacity and/or vehicle cross high load capacity.Correspondingly, throttle valve element is constructed or makes especially as so-called peak torque limiter (PTL, Peak Torque Limiter) for reducing moment of torsion peak load.To this, addedly with reference to the DE10 2004062554A1 being initially mentioned, its content is adopted the most clearly.
According to one aspect of the present invention, the throttle valve element of the fluid section in fluid pressure line between active cylinder and the slave cylinder changing into the actuation means becoming operating and controlling vehicle clutch has the housing with hydraulic channel, and hydraulic channel is hydraulically connected or intercommunication with active cylinder and slave cylinder.
In one is implemented, in the hydraulic channel section of hydraulic channel, have from open position to the piston placed slidably on the closing direction of make position, when open position, hydraulic channel section has the first minimum stream body section, and when make position, hydraulic channel section has the second fluid section less than the first minimum stream body section.Closing direction can be especially the axial or longitudinal direction of piston and passage (section).In one embodiment, prevention piston in Guan Bi backstop (Schlie β-Anschlag) shape cooperation ground slides on closing direction and defines make position in other words beyond make position.Extraly or alternatively, in one is implemented, open backstop (Offen-Anschlag) shape cooperation ground and stop piston to slide in contrast to closing direction to define open position in other words beyond open position.
In one is implemented, piston has one or more passage, passage in make position, be prevented from particularly by Guan Bi backstop and in the outlet of open position and hydraulic channel (section) and entrance intercommunication and so expand minimum stream body section to first fluid section from second.In extending at one, one or more such passages are disposed on the outer surface of piston, especially shell surface, and are limited by housing in an extension.In one is implemented, the minimum stream body section of hydraulic channel section can be by piston slip between the open and the closed positions, be changed the most incessantly.In one is implemented, the second minimum stream body section maybe can also be not equal to zero equal to zero.
According to one aspect of the present invention, throttle valve element has for electromagnetically sliding plunger have the closed electromagnetic body of the end face towards piston on closing direction, wherein, the end face towards closed electromagnetic body of piston preferably and is the most also disposed on closing direction in all positions in make position before the end face towards piston of closed electromagnetic body.
By closed electromagnetic body is arranged in after piston or rear on closing direction, in one is implemented, especially arrange concentrically and compared with the situation of piston entrance closed electromagnetic body in make position with piston with closed electromagnetic body, can be implemented in the compact structural form being perpendicular on closing direction, especially throttle valve element can be constructed smaller diametrically.
In one is implemented, piston in contrast on closing direction particularly by single-piece or multi-piece type spring by pretension.The throttle valve element opened when can provide normal by this method or during un-activation, it has the first bigger minimum stream body section when closed electromagnetic body is not powered on.
Extraly or alternatively, in one is implemented, throttle valve element have in contrast on closing direction electromagnetically sliding plunger and there is the end face towards piston open electromagnet, wherein, preferably and being disposed in the most in the open position in all positions on closing direction at the end face rear towards piston or below opening electromagnet towards the end face opening electromagnet of piston.By to this open electromagnet be energized, can support or substitute made above cross explanation pretension, described in open electromagnet a kind of implement in be disposed in piston the side relative with closed electromagnetic body and/or energising time with closed electromagnetic body adverse effect.
Correspondingly, in having the enforcement opening electromagnet, piston does not has, especially by spring, in contrast to closing direction by pretension in other words at closed electromagnetic body with can in hydraulic section slidably when opening the obstructed electric current of electromagnet.By so advantageously the energy requirement of closed electromagnetic body being reduced, because it need not overcome pretension to work in a kind of enforcement.
Can be in one be implemented by opening that electromagnet is arranged in before piston on closing direction, just as above explanation to closed electromagnetic body, can be constructed smaller diametrically now perpendicular to the compact structural form on closing direction, especially throttle valve element in fact.
In a kind of enforcement, the end face towards closed electromagnetic body of piston contacts the end face towards piston of closed electromagnetic body in make position.Extraly or alternatively, in a kind of enforcement piston contacts the end face towards piston opening electromagnet in the open position towards the end face opening electromagnet.By being so unanimously to be separately implemented at or can be configured to less in the axial direction in contrast to the compact structure form on closing direction, especially throttle valve element.
In another kind is implemented, the end face towards closed electromagnetic body of piston, in make position, particularly by housing wall and/or separate sealing member, is opened with the end surfaces towards piston of closed electromagnetic body.So can protect closed electromagnetic body and/or in make position, improve sealing.
Extraly or alternatively, in a kind of enforcement piston towards opening the end face of electromagnet in the open position particularly by housing wall, open with the end surfaces towards piston opening electromagnet.So can protect and open electromagnet and/or improve the slip of piston in the open position.
In one is implemented, the end face towards piston of closed electromagnetic body has through hole, its be perpendicular on closing direction minimum extend, especially its interior diameter, less than piston towards closed electromagnetic body end face be perpendicular on closing direction maximum extend, especially its overall diameter.Extraly or alternatively, the end face towards piston opening electromagnet in a kind of enforcement has through hole, its be perpendicular on closing direction minimum extend, especially its interior diameter, less than piston towards open the end face of electromagnet be perpendicular on closing direction maximum extend, especially its overall diameter.
Thus closed electromagnetic body or open electromagnet can in one is implemented advantageously, structure and/or as being used for limiting piston and being unanimously to or working in contrast to the backstop of the slip on closing direction the most compactly.Extraly or alternatively, so can improve the magnetic action of piston and especially reduce the energy requirement of electromagnet with this in a kind of enforcement.
One implement in, piston towards closed electromagnetic body and/or towards the end face opening electromagnet, there is ferromagnetic surface completely or partially.By so can advantageously improving the magnetic action of piston and especially reduce the energy requirement of electromagnet with this in a kind of enforcement.
To this, in a kind of enforcement, piston can be by ferromagnetic material manufacture or form.In another kind is implemented, piston has matrix, and matrix is manufactured by plastics in one is implemented or forms.By so weight and/or cost can be reduced in one is implemented.Then in a kind of extension can this matrix towards closed electromagnetic body and/or arrange ferromagnetic plate or coating towards the end face opening electromagnet.In a kind of enforcement, thus on the one hand can reduce weight and/or cost and on the other hand can improve the magnetic action of piston and especially reduce the energy requirement of electromagnet with this.
According to one aspect of the present invention, when manufacturing throttle valve element described herein as, closed electromagnetic body is so placed on housing, especially casts in housing so that after it is disposed in the end face towards closed electromagnetic body of piston on closing direction towards the end face of piston in make position.In one extends, electromagnet will be opened and be so placed on housing, especially cast in housing so that in the open position its towards the end face of piston be disposed on closing direction piston towards before the end face opening electromagnet.
Accompanying drawing explanation
Other of the present invention preferably comprises and is illustrated in the description of following preferred embodiment.The most partly schematically display:
Fig. 1 illustrates the actuation means for operating and controlling vehicle clutch of the throttle valve element with the enforcement according to the present invention；
Fig. 2 illustrates a part for throttle valve element axial cross section, and wherein piston is positioned at open position；
Fig. 3 illustrates the cross section along Fig. 2 cathetus III-III；
Fig. 4 illustrates the part of throttle valve element, and wherein piston is positioned at make position；
Fig. 5 illustrates the part of the throttle valve element of the enforcement according to the present invention with the display corresponding to Fig. 2.
Detailed description of the invention
Fig. 1 shows the hydraulic control device 10 for operating and controlling vehicle clutch 12, it is arranged on vehicle chassis 14 and is wherein disposed with the active cylinder 16 with piston 18 and the slave cylinder 20 with piston 22, connected by connector between the two or hydraulic clutch part 24 connects with the fluid pressure line 26 being filled with liquid, and constitute common pressure chamber 28.The piston 18 of active cylinder 16 can be manipulated by by pedal 30, makes the piston 22 of slave cylinder 20 be moved and controls clutch fork 32 with disconnecting clutch 12 on internal combustion engine 34.In unshowned, the most consistent modification, slave cylinder 20 manipulates clutch 12 otherwise, the most directly manipulates.Clutch 12 is connected in the drive shaft of input with internal combustion engine 34 and is connected with variator 36 at outfan.
Throttle valve element 29 it is disposed with in fluid pressure line 26.Throttle valve element 29 can be implemented individually and at an arbitrary position with fluid pressure line 26 or one of them is connected with pressure cylinder 16,20 through hydraulic clutch part 24, or is alternatively designed to fluid pressure line 26 or one of them is integrated with pressure cylinder 16,20.
Fig. 2 illustrates the throttle valve element 29 part at axial cross section, it has housing 100, piston 120, housing 100 has and the hydraulic channel 110 of fluid pressure line 26 intercommunication, and piston 120 is placed from the open position shown in Fig. 2 to () the closing direction of the make position shown in Fig. 4 in the hydraulic channel section 130 of hydraulic channel 110 in Fig. 2 from left to right slidably.
Especially as seen in cross section in fig .3, piston 120 has passage 140 that is multiple that be arranged on its shell surface and that limited by housing 100 (together), its in make position by be blocked with the Guan Bi backstop of the form of sealing member 150 and in the open position with the entrance and exit intercommunication of hydraulic channel section 130.Extraly, piston 120 also has center-aisle 160, its in all positions of piston all with the entrance and exit intercommunication of hydraulic channel section 130.
Especially as by checking together in Fig. 2 and 4 it can be seen that, the the first minimum stream body section limited by the cross section summation of passage 140 and 160 is reduced to only pass through the second minimum stream body section that the cross section of passage 160 limits by piston 120 from its open position (see Fig. 2) to the movement of its make position (see Fig. 4), wherein in described open position not only center-aisle 160 but also the passage 140 that is disposed on shell surface all with the entrance and exit intercommunication of hydraulic channel section 130, and only the entrance and exit intercommunication of center-aisle 160 and hydraulic channel section 130 and the passage 140 that is disposed on shell surface are stopped by sealing member 150 in described make position.
In contrast to closing direction, the piston 120 that prevents with opening backstop shape cooperation being made up of the hydraulic channel section 130 narrowed slides past make position () in Fig. 2 to the left.
Throttle valve element 29 has for the closed electromagnetic body 170 at closing direction () electromagnetically sliding plunger 120 in Fig. 2 to the right, and it has the end face (left side in Fig. 2) towards piston.The end face towards closed electromagnetic body 170 (right side in Fig. 2) of piston 120 is in all positions, the most also it was disposed on closing direction (see Fig. 4) before the end face towards piston of closed electromagnetic body 170 in make position, the most to the left.
Extraly, throttle valve element 29 has for opening electromagnet 180 in contrast to closing direction () electromagnetically sliding plunger 120 in Fig. 2 to the left, it has the end face (right side in Fig. 2) towards piston, wherein piston 120 towards opening the end face (in Fig. 2 right side) of electromagnet 180 in all positions, it is disposed on closing direction (see Fig. 2) the most in the open position after opening the end face towards piston of electromagnet 180 or below, the most in fig. 2 on the right side of it.
Controlling device (not shown) be only energized closed electromagnetic body 170 by using, piston 120 is moved on closing direction to make position (Fig. 2 → Fig. 4) and with this, minimum stream body section in hydraulic channel section 130 is reduced to the second minimum stream body section of being individually determined by center-aisle 160 by it.Control device be only energized to opening electromagnet 180 by using, its by piston 120 in contrast to moving back on closing direction to open position (Fig. 4 → Fig. 2) and with this, minimum stream body section in hydraulic channel section 130 being increased to the first minimum stream body section of jointly being limited by center-aisle 160 and the passage 140 that is disposed on shell surface.At closed electromagnetic body 170 with in the case of opening electromagnet 180 not energising, piston 120 can be slidably in hydraulic channel section 130.By closed electromagnetic body 170 with open the enhancing energising of electromagnet 180 and can be differently positioned in hydraulic channel section 130 and so by minimum stream body section by piston 120 and change incessantly, method is the axial gap between the end face towards closed electromagnetic body and the sealing member 150 of piston 120 to be decreased or increased.
The end face towards closed electromagnetic body of piston 120 passes through the wall of sealing member 150 and housing 100 and the end surfaces towards piston of closed electromagnetic body 170 in make position (see Fig. 4).Being opened with the end surfaces towards piston opening electromagnet 180 by the housing wall of hydraulic channel section 130 (see Fig. 2) in the open position towards the end face opening electromagnet of piston 120.
The end face towards piston of closed electromagnetic body 170 has the through hole of circle, its interior diameter d170Overall diameter D less than the circular end face towards closed electromagnetic body of piston 120120.Similarly, the end face towards piston opening electromagnet 180 has the through hole of circle, and its interior diameter is less than the overall diameter towards the circular end face opening electromagnet of piston 120.
Piston 120 has the matrix 121 that plastics are made.The end face towards closed electromagnetic body of matrix 121 is disposed with ferromagnetic plate 122, such as by moulding or bonding.Similarly, at matrix 121 towards being disposed with ferromagnetic plate 123 on the end face open electromagnet, such as by moulding or bonding.
Fig. 5 shows the throttle valve element of the other enforcement according to the present invention according to the view similar with Fig. 2.The most identical feature is represented by identical reference, thus with reference to before explanation and difference is the most only discussed.
In the enforcement of Fig. 5, piston 120 is in reverse to closing direction the most to the left by spring 190 pretension.The enforcement of Fig. 5 eliminates and opens electromagnet 180.But it can be additional to spring 190 and exists in a variant which is not illustrated.
In the enforcement of Fig. 5, additionally also eliminate sealing member 150, thus piston 120 contacts closed electromagnetic body 170 in make position.
Although exemplary enforcement being illustrated in preceding description, it is clear that ground is, it is also possible to there is diversified modification.
The such as enforcement in Fig. 2-4 can be cancelled sealing member 150 and/or housing wall, thus piston 120 contacts closed electromagnetic body 170 in make position.On the contrary, opening towards the end face of closed electromagnetic body and the end surfaces towards piston of closed electromagnetic body 170 of in make position piston 120 can also be made by the wall of sealing member 150 and/or housing 100 in the enforcement of Fig. 5.
Additionally being noted that exemplary enforcement is only about citing, it should not be to protection domain, any restriction of applying and constructing.Precisely; provided the guidance realizing the exemplary enforcement of minimum of one to professional by previous explanation; wherein, combine, without departing from the feature from claim with its equivalence, the protection domain produced and various change can be carried out, especially in terms of the function and layout of illustrated ingredient.
List of numerals
10 actuation means
12 vehicular clutches
14 chassis
16 active cylinder
18,22 piston
20 slave cylinders
24 hydraulic clutch parts
26 fluid pressure lines
28 common pressure chamberes
29 throttle valve elements
30 pedals
32 clutch forks
34 internal combustion engines
36 variators
100 housings
110 hydraulic channels
120 pistons
121 matrixes
122,123 ferromagnetic plate
130 hydraulic channel sections
140 passages
150 sealing members
160 center-aisles
170 closed electromagnetic bodies
180 open electromagnet
190 springs.

Claims (15)

1. one kind for change the actuation means (10) for operating and controlling vehicle clutch (12) active and from The throttle valve element (29) of the fluid section in fluid pressure line (26) between dynamic cylinder (16,20),
It has:
Housing (100) with hydraulic channel (110)；
Piston (120), described piston (120) in the hydraulic channel section (130) of hydraulic channel (110) from beating Open position is placed on the closing direction of make position slidably, and in described open position, hydraulic pressure leads to Road section (130) has the first minimum stream body section, hydraulic channel section (130) in described make position There is the second minimum stream body section less than the first minimum stream body section；With
Closed electromagnetic body (170), described closed electromagnetic body (170) is used for piston (120) at closing direction Slide and there is the end face towards piston, being disposed on closing direction at end face described in make position After the end face towards closed electromagnetic body of piston (120).
2. according to the throttle valve element (29) described in claim 1, wherein, described piston (120) towards closing Close electromagnet end face contact in make position closed electromagnetic body (170) the end face towards piston or On closing direction particularly by housing wall and/or sealing member (150) and closed electromagnetic body (170) towards work The end surfaces of plug is opened.
3. according to the throttle valve element (29) described in claim 1, wherein, described closed electromagnetic body (170) The through hole of the end face towards piston minimum extend (d be perpendicular on closing direction170) less than piston (120) the end face towards closed electromagnetic body is at the maximum extension (D being perpendicular on closing direction120)。
4. according to the throttle valve element (29) described in claim 1, wherein, described piston (120) towards closing The end face closing electromagnet is at least partially ferromagnetic surface.
5. according to the throttle valve element (29) described in claim 1, wherein, described piston (120) has especially It is the matrix (121) of plastics manufacture, the end face towards closed electromagnetic body of described matrix (121) is arranged There are ferromagnetic plate or coating (122).
6. according to the throttle valve element (29) described in claim 1, wherein, described piston (120) in contrast to By pretension on closing direction, particularly by spring (190).
7. according to the throttle valve element (29) described in claim 1, wherein, described throttle valve element (29) has Open electromagnet (180), described in open electromagnet (180) for sliding especially in contrast on closing direction Be not in contrast on closing direction by the piston (120) of pretension, described in open electromagnet (180) and have Towards the end face of piston and when open position this end face be disposed on closing direction in piston (120) Towards before the end face opening electromagnet.
8. according to the throttle valve element (29) described in claim 1, wherein, described piston (120) towards beating Open the end face of electromagnet contact in the open position open electromagnet (180) the end face towards piston or Closing direction is opened particularly by housing wall and the end surfaces towards piston opening electromagnet (180).
9. described according to the throttle valve element (29) according to any one of claim 7-8, wherein, open electricity The through hole of the end face towards piston of magnet (180) is little in the minimum extension size being perpendicular on closing direction Maximum size is extended be perpendicular on closing direction towards opening the end face of electromagnet in piston (120) (D120)。
10. according to the throttle valve element (29) according to any one of claim 7-8, wherein, described piston (120) be at least partially ferromagnetic surface towards the end face opening electromagnet.
11. according to the throttle valve element (29) described in claim 10, and wherein, described piston (120) has especially It is plastics manufacture matrix (121), at described matrix (121) towards cloth on the end face open electromagnet It is equipped with ferromagnetic plate or coating (123).
12. 1 kinds of actuation means (10) for operating and controlling vehicle clutch (12), have fluid pressure line (26), Particularly by the controllable active cylinder (16) of pedal (30), make clutch (12) departs from and and active cylinder (16) slave cylinder (20) connected by fluid pressure line (26), wherein, actively and slave cylinder (16,20) it Between fluid pressure line (26) in arrange according to the throttle valve element according to any one of claim 1-11 (29)。
13., according to the actuation means (10) described in claim 12, wherein, have control device, are used for Depend on the running status of vehicle, especially clutch (12) and/or pedal (30) to throttle valve element (29) at least One electromagnet (170,180) energising.
14. 1 kinds of vehicles, especially person-carrying vehicles, have clutch (12) and according to claim 12-13 According to any one of the actuation means for operating and controlling vehicle clutch (12) (10).
15. 1 kinds for manufacturing the side according to the throttle valve element (29) according to any one of claim 1-12 Method, wherein, in make position, the end face towards piston of closed electromagnetic body (170) is on closing direction After being disposed in the end face towards closed electromagnetic body of piston (120).
CN201510477138.5A 2014-08-27 2015-08-06 Throttle valve element for the actuation means of operating and controlling vehicle clutch Pending CN106195055A (en)

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