CN104847807A - Clutch device - Google Patents
Clutch device Download PDFInfo
- Publication number
- CN104847807A CN104847807A CN201410323025.5A CN201410323025A CN104847807A CN 104847807 A CN104847807 A CN 104847807A CN 201410323025 A CN201410323025 A CN 201410323025A CN 104847807 A CN104847807 A CN 104847807A
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- Prior art keywords
- engaging
- connected member
- link
- disengaging gear
- shift fork
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- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a clutch device. The clutch device comprises a first connecting piece (1) connected with a first transmission shaft, a second connecting piece (2) connected with a second transmission shaft, and a joint piece (3) arranged between the first connecting piece (1) and the second connecting piece (2), wherein the joint piece (3) is in transmission connection with the first connecting piece (1), and can axially move relative to the first connecting piece (1). The clutch device further comprises a driving mechanism (4) arranged on a frame; and the joint piece (3) can axially move under the effect of the driving mechanism (4), so that the joint piece (3) is joined with or separated from the second connecting piece (2). The clutch device, provided by the invention, pushes the joint piece to move through the driving mechanism; and the two transmission shafts can be quickly joined and separated through the joint piece, so that the operation is simple and convenient.
Description
Technical field
The present invention relates to the clutch technology between two transmission shafts, particularly, relate to a kind of engaging and disengaging gear.
Background technique
In power-transmitting unit, for meeting multi-operating mode requirements of one's work, between driving shaft and driven shaft, can engaging and disengaging gear being set, being realized the Engage and disengage of driving shaft and driven shaft by engaging and disengaging gear, thus realize the change working of driven shaft.
As, the steering system of current vehicle, comprise the hydraulic pressure assisted steering device that mechanical steering gear and Aided Machine steering equipment carry out turning to, wherein, in hydraulic pressure assisted steering device, the power-assisted oil pump carrying out in order to drive hydraulic steering booster turning to directly or indirectly is driven by motor, because motor is in operating condition in vehicle travel process always, and vehicle is not that needs are power-steering in real time in the process of moving, therefore, and can drive between the power source of this power-assisted oil pump engaging and disengaging gear is set at power-assisted oil pump, such vehicle is not when needing to turn to, power-assisted oil pump departs from power source by engaging and disengaging gear, quit work, with energy saving, when needs turn to, power-assisted oil pump engages with power source by engaging and disengaging gear, power-assisted operation of oil pump is driven by power source.
At power-assisted oil pump and drive the engaging and disengaging gear arranged between the power source of this power-assisted oil pump, requirement can fast and realize Engage and disengage reposefully, and must be simple to operation, and engaging and disengaging gear of the prior art, the requirement of this respect can not be met.
Summary of the invention
The object of this invention is to provide a kind of engaging and disengaging gear, by this engaging and disengaging gear, two transmission shafts can realize Engage and disengage rapidly, simple to operation.
To achieve these goals, the invention provides a kind of engaging and disengaging gear, this engaging and disengaging gear comprises the first link for being connected with the first transmission shaft, for the second link be connected with second driving shaft and the connected member arranged between described first link and described second link;
Described connected member and described first link are in transmission connection and described connected member can move axially relative to described first link;
Described engaging and disengaging gear also comprises the driving mechanism being arranged at frame, and described connected member can move axially under the effect of described driving mechanism, engages to make described connected member or is separated with described second link.
Preferably, described driving mechanism comprises and the shift fork of described engagement members and the driver making described connected member engage with described second link or be separated for driving described shift fork to move.
Preferably, described connected member has outer peripheral surface, and this outer peripheral surface is circumferentially provided with circular groove, and the end of described shift fork is plugged in described circular groove.
Preferably, described shift fork is provided with the shift fork block be fastened in described circular groove.
Preferably, described driving mechanism also comprises:
Housing, this housing is fixed on described frame, and described housing has the toroidal cavity around described connected member; With
Displacement disc, this displacement disc is connected with described driver and can be axially movably arranged in described toroidal cavity, described displacement disc is provided with the described shift fork extended towards described connected member.
Preferably, described driver comprises and is all arranged in described toroidal cavity and lays respectively at the Compress Spring of described displacement disc both sides and telescopic pneumatic spring, described Compress Spring is used for applying end thrust to described displacement disc, and described pneumatic spring can overcome described end thrust and control the decrement of described Compress Spring.
Preferably, described Compress Spring and described shift fork are multiple, and multiple Compress Spring and multiple described shift fork were arranged along the described toroidal cavity circle spacing.
Preferably, described driver also comprises the clutch state sensor of the location status for detecting described connected member, to control the movement of described shift fork according to the location status of the described connected member of described biography clutch state sensor acquisition.
Preferably, described second link is provided with multiple first engaging tooth, described connected member is provided with second engaging tooth that can engage with multiple and described first engaging tooth.
Preferably, each described first engaging tooth is provided with the first arc shaped surface, each described second engaging tooth is provided with the second arc shaped surface, in order in described first engaging tooth and described second engaging tooth engagement process, the tooth top of described second engaging tooth moves along described first arc shaped surface, and the tooth top of described first engaging tooth moves along described second arc shaped surface.
Engaging and disengaging gear provided by the invention, drive connected member to move by driving mechanism, two transmission shafts can realize Engage and disengage rapidly by the movement of connected member, simple to operation.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the engaging and disengaging gear in one embodiment of the present invention;
Fig. 2 be in Fig. 1 A-A to cutting structural representation;
Fig. 3 is the structural representation of the second link of engaging and disengaging gear in one embodiment of the present invention;
Fig. 4 is the structural representation of the connected member of engaging and disengaging gear in one embodiment of the present invention.
Embodiment
Following connection with figures is described in detail to the specific embodiment of the present invention.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of engaging and disengaging gear, as shown in Figure 1, this engaging and disengaging gear comprises the first link 1 for being connected with the first transmission shaft, for the second link 2 be connected with second driving shaft and the connected member 3 arranged between the first link 1 and the second link 2; Wherein, connected member 3 and the first link 1 are in transmission connection and connected member 3 can move axially relative to the first link 1; This engaging and disengaging gear also comprises the driving mechanism 4 (said frame refers to the structure that in the equipment of this engaging and disengaging gear of application, relative two transmission shafts are fixing) being arranged at frame herein, connected member 3 can move axially under the effect of driving mechanism 4, engages to make connected member 3 or is separated with the second link 2.
By engaging and disengaging gear provided by the invention, when two transmission shafts need engage, driving mechanism 4 drives connected member 3 to move to the direction of the second link 2, and connected member 3 engages with the second link 2; When two transmission shafts need be separated, driving mechanism 4 drives connected member 3 to move to the direction away from the second link 2, and connected member 3 is separated with the second link 2, by arranging this engaging and disengaging gear between two transmission shafts, two transmission shafts can realize being separated and engaging rapidly, and simple to operation.
In the specific embodiment of the present invention, first link 1 is connected by feather key with between connected member 3, feather key can be spline or is dive key, connected member 3 can move around along described feather key at axial direction, to engage with the second link 2 or to be separated, and in connected member 3 moving process, under the effect of feather key, connected member 3 rotates all the time under the drive of the first link 1.
Preferably, spline joint is passed through between first link 1 and connected member 3, as in 1 and Fig. 4, one end that connected member 3 is connected with the first link 1 is provided with external splines 32, the internal spline that connected member 3 is arranged by external splines 32 and first link 1 end of setting on it is connected, by spline joint, stressed comparatively even between the first link 1 and connected member 3.
Illustrate below and drive the structure of the driving mechanism 4 of connected member 3 movement and connected member 3 to be how movements under the driving of driving mechanism 4.
It will be understood by those skilled in the art that and the driving mechanism 4 of connected member 3 movement can be driven to have various structures, the structure of driving mechanism 4 as described below is only the preferred embodiment of the present invention, but is not limited thereto.
As shown in Figure 1, driving mechanism 4 comprises the shift fork 41 that is connected with connected member 3 and the driver in order to shift fork 41 movement, and shift fork 41 moves under the driving of driver, promotes connected member 3 and move while shift fork 41 movement.
As shown in Fig. 1 (composition graphs 2 and Fig. 4), connected member 3 has outer peripheral surface, this outer peripheral surface is circumferentially provided with circular groove 31, the end of shift fork 41 is plugged in this circular groove 31 moves to promote connected member 3, the end being plugged in circular groove at shift fork 41 is provided with the shift fork block 46 be fastened in circular groove 31, and shift fork 41 promotes connected member 3 by shift fork block 46 and moves.
For making connected member 3 stress equalization, shift fork 41 can be set to multiple (being provided with three in the present embodiment, as Fig. 2), arranges around circular groove 31 interval.But the present invention is not limited to this, shift fork 41 can also be set to more.
In present embodiment, driving mechanism 4 also comprises the housing 43 be fixed in frame, housing 43 has the toroidal cavity around connected member 3, driving mechanism 4 also comprises and to be connected with driver and to be arranged on the displacement disc 42 in this toroidal cavity, displacement disc 42 is specially the annular disk with toroidal cavity shape adaptation, can move axially in toroidal cavity, displacement disc 42 is provided with the described shift fork 41 extended towards connected member 3, displacement disc 42 moves under the driving of driver, thus drives shift fork 41 to move.
In order to lay respectively at Compress Spring 44 and the telescopic pneumatic spring 45 of displacement disc 42 both sides in the toroidal cavity that drives the driver of displacement disc 42 movement specifically to comprise all to be arranged on housing 43, Compress Spring 44 is for applying end thrust to displacement disc 42, and pneumatic spring 45 can overcome this end thrust and control the decrement of Compress Spring 44.Concrete, inflate to pneumatic spring 45, pneumatic spring 45 extends gradually, and Compress Spring 44 is compressed gradually under the effect of pneumatic spring 45, and displacement disc 42 is moved to the left; When being exhausted pneumatic spring 45, pneumatic spring 45 shortens, and Compress Spring 44 extends gradually, and displacement disc 42 moves right under the end thrust effect of Compress Spring 44.Be appreciated that the driver promoting displacement disc 42 movement is not limited to Compress Spring 44 set by displacement disc 42 both sides and pneumatic spring 45, also control moving back and forth of displacement disc 42 by such as hydraulic pressure or the mode such as pneumatic.
Because displacement disc 42 is the annular disk with toroidal cavity adaptation, for making annular disk move when uniform force, Compress Spring 44 can arrange multiple, and annularly the cavity circle spacing arranges.
In present embodiment, driver also comprises the clutch state sensor of the location status for detecting connected member 3, to control the movement of shift fork 41 according to the location status of the described connected member 3 of described biography clutch state sensor acquisition.This clutch state sensor can be electrically connected with the control unit of the equipment of application engaging and disengaging gear provided by the invention, and control unit receives the electrical signal coming from expression connected member 3 location status of this clutch state sensor, and then control shift fork 41 moves.
Preferably, this clutch state sensor is the linear transducer arranged in the toroidal cavity of housing 43, this linear transducer is for obtaining the length of described pneumatic spring 45, the location status of connected member 3 is judged by the length information obtaining pneumatic spring 45, be connected with pneumatic spring 45 and be also provided with solenoid valve, linear transducer and solenoid valve are all electrically connected with control unit, the length information of the pneumatic spring 45 of acquisition is sent to control unit by linear transducer, control unit judges the location status of connected member 3 according to this length information, then the signal that pneumatic spring 45 is inflated or is vented is sent to solenoid valve, by inflation or the exhaust of electromagnetic valve pneumatic spring 45.
When engaging and disengaging gear provided by the invention is applied in the hydraulic power-assist steering system of vehicle, power-assisted oil pump and the detailed process following (composition graphs 1) driving the power source of this power-assisted operation of oil pump to carry out clutch:
When normal vehicle operation does not need to turn to, gassy in pneumatic spring 45, Compress Spring 44 is compressed under the effect of pneumatic spring 45, and connected member 3 and the second link 2 are in separated state, power-assisted oil air pump inoperative.
When Vehicular turn, control unit sends the signal be vented pneumatic spring 45 to solenoid valve, electromagnetic valve pneumatic spring 45 is vented, pneumatic spring 45 shortens gradually, Compress Spring 44 extends, displacement disc 42 moves right under the effect of Compress Spring 44, shift fork 41 promotes connected member 3 and engages with the second link 2 gradually, simultaneously, the length information of linear transducer Real-time Obtaining pneumatic spring 45 also sends this length information to control unit, according to this length information, control unit judges whether connected member 3 fully engages with the second link 2, shorten to a certain degree at pneumatic spring 45, when connected member 3 fully engages with the second link 2, power-assisted oil pump is connected with driving the power source of this power-assisted operation of oil pump, power-assisted operation of oil pump, now, control unit sends the signal stopping exhaust to solenoid valve, electromagnetic valve pneumatic spring 45 stops exhaust.
When vehicle stops turning to, control unit sends the signal inflated pneumatic spring 45 to solenoid valve, electromagnetic valve pneumatic spring 45 is inflated, Compress Spring 44 is compressed under the effect of pneumatic spring 45, displacement disc 42 drives shift fork 41 to be moved to the left, shift fork 41 promotes connected member 3 and is separated with the second link 2 gradually, simultaneously, the length information of linear transducer Real-time Obtaining pneumatic spring 45 also sends this length information to control unit, according to this length information, control unit judges whether connected member 3 is separated with the second link 2, certain length is arrived at pneumatic spring 45, when connected member 3 is separated with the second link 2, power-assisted oil pump is separated with driving the power source of this power-assisted operation of oil pump, power-assisted oil pump quits work, now, control unit sends the signal stopping inflation to solenoid valve, electromagnetic valve pneumatic spring 45 stops inflation.
It should be noted that at this, when the air supply system of vehicle breaks down, pneumatic spring 45 cannot be inflated, at this moment Compress Spring 44 extends, and fork 41 can promote connected member 3 and move right under the effect of Compress Spring 44, and the first link 1 and the second link 2 are bonded together, like this, even if the air supply system of vehicle breaks down or other reason, when pneumatic spring 45 cannot be inflated, power-assisted oil pump and power source still can be connected for turning to of vehicle provides power-assisted.
In present embodiment, the end face that connected member 3 and the second link 2 are bonded with each other is respectively arranged with engaging tooth, as in Fig. 3 and Fig. 4, second link 2 is provided with multiple first engaging tooth 21, connected member 3 is provided with multiple the second engaging tooth 33 engaged with the first engaging tooth 21, connected member 3 is realized with engaging of the second engaging tooth 33 by the first engaging tooth 21 with the joint of the second link 2.
Wherein, each first engaging tooth 21 is provided with the first arc shaped surface 211, each second engaging tooth 33 is provided with the second arc shaped surface 331, in the first engaging tooth 21 and the second engaging tooth 33 engagement process, the tooth top of the second engaging tooth 33 moves along the first arc shaped surface 211, the tooth top of the first engaging tooth 21 moves along the second arc shaped surface 331, realize engaging of the first engaging tooth 21 and the second engaging tooth 33 thus, engaged by arc shaped surface, engagement process is steady, smooth and easy, the noise produced is little, and arc shaped surface is set on engaging tooth, the stress concentration phenomenon of engaging tooth root can be reduced, thus engaging tooth root can be avoided to crack.
Above connection with figures describes the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. engaging and disengaging gear, this engaging and disengaging gear comprises the first link (1) for being connected with the first transmission shaft, for the second link (2) be connected with second driving shaft and the connected member (3) arranged between described first link (1) and described second link (2); It is characterized in that,
Described connected member (3) and described first link (1) are in transmission connection and described connected member (3) can move axially relative to described first link (1);
Described engaging and disengaging gear also comprises the driving mechanism (4) being arranged at frame, described connected member (3) can move axially under the effect of described driving mechanism (4), engages to make described connected member (3) or is separated with described second link (2).
2. engaging and disengaging gear according to claim 1, it is characterized in that, described driving mechanism (4) comprise the shift fork (41) that coordinates with described connected member (3) with for driving described shift fork (41) mobile with the driver making described connected member (3) engage with described second link (2) or be separated.
3. engaging and disengaging gear according to claim 2, it is characterized in that, described connected member (3) has outer peripheral surface, this outer peripheral surface is circumferentially provided with circular groove (31), the end of described shift fork (41) is plugged in described circular groove (31).
4. engaging and disengaging gear according to claim 3, is characterized in that, described shift fork (41) is provided with the shift fork block (46) be fastened in described circular groove (31).
5. engaging and disengaging gear according to claim 2, is characterized in that, described driving mechanism also comprises:
Housing (43), this housing (43) is fixed on described frame, and described housing (43) has the toroidal cavity around described connected member (3); With
Displacement disc (42), this displacement disc (42) is connected with described driver and can be axially movably arranged in described toroidal cavity, described displacement disc (42) is provided with the described shift fork (41) extended towards described connected member (3).
6. engaging and disengaging gear according to claim 5, it is characterized in that, described driver comprises and is all arranged in described toroidal cavity and lays respectively at Compress Spring (44) and the telescopic pneumatic spring (45) of described displacement disc (42) both sides, described Compress Spring (44) is for applying end thrust to described displacement disc (42), and described pneumatic spring (45) can overcome described end thrust and control the decrement of described Compress Spring (44).
7. engaging and disengaging gear according to claim 6, it is characterized in that, described Compress Spring (44) and described shift fork (41) are multiple, and multiple Compress Spring (44) and multiple described shift fork (41) were arranged along the described toroidal cavity circle spacing.
8. according to the engaging and disengaging gear in claim 2-7 described in any one, it is characterized in that, described driver also comprises the clutch state sensor of the location status for detecting described connected member, to control the movement of described shift fork (41) according to the location status of the described connected member (3) of described biography clutch state sensor acquisition.
9. engaging and disengaging gear according to claim 1, it is characterized in that, described second link (2) is provided with multiple first engaging tooth (21), described connected member (3) is provided with second engaging tooth (33) that can engage with multiple and described first engaging tooth (21).
10. engaging and disengaging gear according to claim 9, it is characterized in that, each described first engaging tooth (21) is provided with the first arc shaped surface (211), each described second engaging tooth (33) is provided with the second arc shaped surface (331), in order in described first engaging tooth (21) with described second engaging tooth (33) engagement process, the tooth top of described second engaging tooth (33) is mobile along described first arc shaped surface (211), and the tooth top of described first engaging tooth (21) is mobile along described second arc shaped surface (331).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410323025.5A CN104847807B (en) | 2014-07-08 | 2014-07-08 | Arrangement of clutch |
Applications Claiming Priority (1)
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CN201410323025.5A CN104847807B (en) | 2014-07-08 | 2014-07-08 | Arrangement of clutch |
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CN104847807A true CN104847807A (en) | 2015-08-19 |
CN104847807B CN104847807B (en) | 2017-09-12 |
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Application Number | Title | Priority Date | Filing Date |
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CN201410323025.5A Active CN104847807B (en) | 2014-07-08 | 2014-07-08 | Arrangement of clutch |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018121419A1 (en) * | 2016-12-30 | 2018-07-05 | 比亚迪股份有限公司 | Locking apparatus, powertrain, power transmission system, and vehicle |
US11053989B2 (en) | 2016-12-30 | 2021-07-06 | Byd Company Limited | Locking device, power assembly, power transmission system, and vehicle |
CN113738785A (en) * | 2021-07-29 | 2021-12-03 | 武汉船用机械有限责任公司 | Simple clutch device |
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US5123513A (en) * | 1990-03-12 | 1992-06-23 | Boulder 12 Investments | Remote-activated, power shift clutch assembly with positive locking |
US6079539A (en) * | 1999-02-16 | 2000-06-27 | Dana Corporation | In-line axle disconnect assembly |
CN101033777A (en) * | 2006-03-09 | 2007-09-12 | 刘仁炽 | Clutch mechanism having cushioning function |
CN101541582A (en) * | 2006-11-22 | 2009-09-23 | 丰田自动车株式会社 | Coupling device, power output apparatus with the device, and hybrid vehicle |
WO2010006576A1 (en) * | 2008-07-14 | 2010-01-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Dry-running clutch |
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2014
- 2014-07-08 CN CN201410323025.5A patent/CN104847807B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5123513A (en) * | 1990-03-12 | 1992-06-23 | Boulder 12 Investments | Remote-activated, power shift clutch assembly with positive locking |
US6079539A (en) * | 1999-02-16 | 2000-06-27 | Dana Corporation | In-line axle disconnect assembly |
CN101033777A (en) * | 2006-03-09 | 2007-09-12 | 刘仁炽 | Clutch mechanism having cushioning function |
CN101541582A (en) * | 2006-11-22 | 2009-09-23 | 丰田自动车株式会社 | Coupling device, power output apparatus with the device, and hybrid vehicle |
WO2010006576A1 (en) * | 2008-07-14 | 2010-01-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Dry-running clutch |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018121419A1 (en) * | 2016-12-30 | 2018-07-05 | 比亚迪股份有限公司 | Locking apparatus, powertrain, power transmission system, and vehicle |
US11053989B2 (en) | 2016-12-30 | 2021-07-06 | Byd Company Limited | Locking device, power assembly, power transmission system, and vehicle |
US11359697B2 (en) | 2016-12-30 | 2022-06-14 | Byd Company Limited | Locking device, power assembly, power transmission system, and vehicle |
CN113738785A (en) * | 2021-07-29 | 2021-12-03 | 武汉船用机械有限责任公司 | Simple clutch device |
CN113738785B (en) * | 2021-07-29 | 2023-07-25 | 武汉船用机械有限责任公司 | Simple clutch device |
Also Published As
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