CN202732774U - Coupling - Google Patents
Coupling Download PDFInfo
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- CN202732774U CN202732774U CN 201220267431 CN201220267431U CN202732774U CN 202732774 U CN202732774 U CN 202732774U CN 201220267431 CN201220267431 CN 201220267431 CN 201220267431 U CN201220267431 U CN 201220267431U CN 202732774 U CN202732774 U CN 202732774U
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- Prior art keywords
- coupling shaft
- motor
- coupling
- friction piece
- friction
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Abstract
The utility model discloses a coupling, relates to the technical field of engineering elements, and aims at improving the synchronism of the combination of an engine and a motor to reduce the vibration impact in the combination process, and further improving the work efficiency. The coupling comprises a first connection shaft connected with the engine and a second connection shaft which is arranged opposite to the first connection shaft and is connected with the motor, wherein the first connection shaft is provided with a first friction body capable of moving axially in a meshed and sleeved mode, the second connection shaft is fixedly connected with a second friction body, the first friction body is a permanent magnet friction body, the permanent magnet friction body on the first connection shaft is provided with a magnetic powder cavity along the direction of the engine, magnetic powder is filled in the magnetic powder cavity, a coil winds inside an inner cavity of the magnetic powder cavity along the circumference of the magnetic powder cavity, and the coil is connected with a direct current power source. The coupling is used to achieve the locking and separation between a crankshaft of the engine and a rotor shaft of the motor in a hybrid power automotive vehicle.
Description
Technical field
The utility model relates to the engineering element technical field, relates in particular to a kind of coupling of hybrid motor vehicle.
Background technique
Hybrid motor vehicle is the developing direction of Future New Energy Source Motor Vehicle, and the driving force of motor or the rotating force of motor transfer to the transmission device of vehicle by operated clutch.The hybrid motor vehicle of environmental protection generally is take motor driving as main, and the rotor shaft rotation by the engine-driving motor when being short of power of motor replenishes.The bent axle of present its motor of hybrid motor vehicle and the rotor shaft of motor are realized locking and are separated by operated clutch.Clutch separation when the power of motor is sufficient, vehicle travels under the driving of motor, when being short of power of motor needed motor to replenish, the clutch locking linked together the bent axle of motor and the rotor shaft of motor, rotated to drive Vehicle Driving Cycle by the rotor shaft of engine-driving motor.Or the rotor shaft of a motor of driven by engine rotation makes its generating and store electrical energy, then makes electrical energy transfer that this motor stores to the distance travelled of the motor that drives Vehicle Driving Cycle with the continuity Motor Vehicle.
Motor participates in work at any time according to the needs of control, and used clutch generally is to use HYDRAULIC CONTROL SYSTEM, and the problem of the maximum that it exists in control procedure is exactly to lag behind to cause the bent axle of motor can not to be combined by Complete Synchronization with the rotor shaft of motor.Like this, car load can cause that in running vibratory impulse and car load working efficiency also can be seriously influenced.
The model utility content
Embodiment of the present utility model provides a kind of coupling, be used for improving synchronism that motor is combined with motor with reduce in conjunction with the time vibratory impulse, increase work efficiency.
For achieving the above object, embodiment of the present utility model adopts following technological scheme:
A kind of coupling, comprise the first coupling shaft of being connected with motor and the second coupling shaft that is oppositely arranged and is connected with motor with described the first coupling shaft, be provided with can axially movable first friction unit for normal engaging sleeve on described the first coupling shaft, is fixedly connected with the second friction piece on described the second coupling shaft; Wherein,
Described first friction unit is the permanent magnetism friction piece, be arranged with the magnetic chamber at described permanent magnetism friction piece along the direction near motor on described the first coupling shaft, described magnetic is filled with magnetic in the chamber, in the inner chamber in described magnetic chamber and along described magnetic chamber circumferentially be wound with coil, described coil connects DC electrical source.
Secondly, described coil is drawn the first terminal and the second terminal, and the first terminal connects the positive pole of DC electrical source, and the second terminal connects the negative pole of DC electrical source; Or the first terminal connects the negative pole of DC electrical source, the positive pole of the second terminal connection DC electrical source.
Again, described permanent magnetism friction piece has permanent magnetism end and friction side, and described permanent magnetism end is near described motor, and described friction side is near described motor.
Further, described magnetic chamber is supported on described the first coupling shaft with the first connection bearing, described the second friction piece end vertically with the second bearings on described the first coupling shaft, the other end is fixedly connected on described the second coupling shaft.
Preferably, described the first coupling shaft is the external splines structure, and described the second coupling shaft is internal spline structure.
Further, the inner ring of described the second connection bearing and described the first coupling shaft interference fit, and the outer ring of described the second connection bearing and described the second friction piece interference fit.
Preferably, described the second friction piece and described the second coupling shaft are one-body molded.
The coupling that the utility model embodiment provides, comprise the first coupling shaft of being connected with motor and the second coupling shaft that is oppositely arranged and is connected with motor with described the first coupling shaft, be provided with can axially movable first friction unit for normal engaging sleeve on described the first coupling shaft, is fixedly connected with the second friction piece on described the second coupling shaft; Wherein, described first friction unit is the permanent magnetism friction piece, be arranged with the magnetic chamber at described permanent magnetism friction piece along the direction near motor on described the first coupling shaft, described magnetic is filled with magnetic in the chamber, in the inner chamber in described magnetic chamber and along described magnetic chamber circumferentially be wound with coil, described coil connects DC electrical source.When needs motor participation work, ato unit also leads to forward current to coil simultaneously, magnetic excitation under the effect in the forward magnetic field that coil produces produces the magnetic pole identical with described permanent magnetism friction piece polarity, described permanent magnetism friction piece under the effect of repulsive force towards the direction of motor move and with described the second friction piece rubbing contact, described the first coupling shaft and described the second coupling shaft are rigidly connected, the driven by engine electric machine rotation, drive speed transmission work; When not needing motor participation work, to the logical back current of coil, magnetic excitation under the effect of the opposing magnetic field that coil produces produces and the opposite polarity magnetic pole of described permanent magnetism friction piece, described permanent magnetism friction piece moves and separates with described the second friction piece and then described the first coupling shaft and described the second coupling shaft are separated to the direction of motor under the effect of attraction force, kill engine, by the independent drive speed transmission work of motor.Since the combination of described first friction unit and described the second friction piece with separate by Electromagnetic Drive, and the response time of electromagnetism is shorter than the response time of hydraulic pressure, therefore lag time is shorter, therefore the combination of motor and motor is more approaching synchronously, the vibratory impulse that causes in cohesive process is less, and working efficiency is higher.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment coupling;
Fig. 2 is the lockup state schematic diagram of coupling shown in Figure 1;
Fig. 3 is the separated state schematic diagram of coupling shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment coupling is described in detail.
Should be clear and definite, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiments that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to shown in Figure 1, a specific embodiment for the utility model coupling, described coupling comprises the first coupling shaft 10 that is connected with motor and the second coupling shaft 20 that is oppositely arranged with the first coupling shaft 10 and is connected with motor, normal engaging sleeve is provided with and can be fixedly connected with the second friction piece 21 on axially movable first friction unit 12, the second coupling shafts 20 on the first coupling shaft 10; Wherein,
The coupling that the utility model embodiment provides, when needs motor participation work, ato unit also leads to forward current to coil simultaneously, magnetic excitation under the effect in the forward magnetic field that coil produces produces the magnetic pole identical with described permanent magnetism friction piece polarity, described permanent magnetism friction piece under the effect of repulsive force towards the direction of motor move and with described the second friction piece rubbing contact, described the first coupling shaft and described the second coupling shaft are rigidly connected, the driven by engine electric machine rotation, drive speed transmission work; When not needing motor participation work, to the logical back current of coil, magnetic excitation under the effect of the opposing magnetic field that coil produces produces and the opposite polarity magnetic pole of described permanent magnetism friction piece, described permanent magnetism friction piece moves and separates with described the second friction piece and then described the first coupling shaft and described the second coupling shaft are separated to the direction of motor under the effect of attraction force, kill engine, by the independent drive speed transmission work of motor.Since the combination of described first friction unit and described the second friction piece with separate by Electromagnetic Drive, and the response time of electromagnetism is shorter than the response time of hydraulic pressure, therefore lag time is shorter, therefore the combination of motor and motor is more approaching synchronously, the vibratory impulse that causes in cohesive process is less, and working efficiency is higher.
Need to prove for above-described embodiment, the intensity that we can regulate magnetic field by the size of regulating the electric current by described coil to be to regulate magnetic to the size of the active force of permanent magnetism friction piece, realize permanent magnetism friction piece and described the second permanent magnetism friction piece quick combination, separate fast, slowly in conjunction with or slowly separate.
Referring to shown in Figure 1, described coil is drawn the first terminal a and the second terminal b again, and the first terminal a connects the positive pole of DC electrical source, and the second terminal b connects the negative pole of DC electrical source; Or the first terminal a connects the negative pole of DC electrical source, the positive pole of the second terminal b connection DC electrical source.The positive pole that connects like this DC electrical source as the first terminal a, electric current when the second terminal b connects the negative pole of DC electrical source in the coil is forward current, magnetic excitation under the effect in the forward magnetic field that coil produces produces the magnetic pole identical with described permanent magnetism friction piece polarity, described permanent magnetism friction piece under the effect of repulsive force towards the direction of motor move and with described the second friction piece rubbing contact, described the first coupling shaft and the second coupling shaft are rigidly connected, the driven by engine electric machine rotation, drive speed transmission work.The negative pole that connects DC electrical source as the first terminal a, electric current when the second terminal b connects DC electrical source anodal in the coil is back current, magnetic excitation under the effect of the opposing magnetic field that coil produces produces and the opposite polarity magnetic pole of described permanent magnetism friction piece, described permanent magnetism friction piece moves and separates with described the second friction piece and then described the first coupling shaft and described the second coupling shaft are separated to the direction of motor under the effect of attraction force, kill engine, by the independent drive speed transmission work of motor.
As shown in Figure 2, be the bonding state of the utility model coupling, be illustrated in figure 3 as the separated state of the utility model coupling.When bonding state, permanent magnetism friction piece 12 moves right and the second friction piece rubbing contact, and the rotor shaft of engine-driving motor rotates; When separated state, permanent magnetism friction piece 12 is moved to the left to the position of closing on the magnetic chamber, and vehicle travels under the driving of motor.
Described permanent magnetism friction piece has permanent magnetism end c and friction side d, and permanent magnetism end c is near described motor, and friction side d is near described motor.Permanent magnetism end c is used for and magnetic interacts, and friction side d is used for and is connected friction piece 21 rubbing contact and connects the first coupling shaft 10 and the second coupling shaft 20.
Further, magnetic chamber 11 is supported on the first coupling shaft 10 with the first connection bearing 3, the second friction piece 21 end (being Fig. 1-left end shown in Figure 3) vertically with the second bearing 4 be supported on the first coupling shaft 10, the other end (being Fig. 1-right-hand member shown in Figure 3) is fixedly connected on the second coupling shaft 20.When the bent axle of motor drove 10 rotation of the first coupling shaft, magnetic chamber 11 and the second friction piece 21 were not all followed the first coupling shaft 10 and are rotated, and can also guarantee the coaxiality of the first coupling shaft 10 and the second coupling shaft 20 like this.
Further, described the first coupling shaft is the external splines structure, and described the second coupling shaft is internal spline structure.This is because the bent axle of general motor is made internal spline structure, so the part that the first coupling shaft is connected with motor (being the a-a section shown in Fig. 1-Fig. 3) is made the external splines structure, is convenient to the connection of the two; And the rotor shaft of general motor also is to make the external splines structure, therefore described the second coupling shaft is made internal spline structure, is convenient to the connection of the two.Wherein said the first coupling shaft can be non-spline structure in the position of described the first connection bearing and described the second connection bearing (being the b-b section shown in Fig. 1-Fig. 3 and d-d section), in order to be connected with a joggle with the form of described first friction unit with spline and the coupling shaft between described the first connection bearing and the second connection bearing (being the c-c section shown in Fig. 1-Fig. 3) is set as external splines structure one, the 2nd, for described first friction unit can shown in the first coupling shaft axially move.
Further, the inner ring of described the second connection bearing and described the first coupling shaft interference fit, and the outer ring of described the second connection bearing and described the second friction piece interference fit.Described like this second connection bearing one can support the second friction piece, and the 2nd, in order to realize that described the second friction piece is not with its rotation when described the first coupling shaft rotates.
Further, described the second friction piece and described the second coupling shaft are one-body molded.Can simplify moulding process like this, save being connected between described the second friction piece and described the second coupling shaft.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (7)
1. coupling, comprise the first coupling shaft of being connected with motor and the second coupling shaft that is oppositely arranged and is connected with motor with described the first coupling shaft, be provided with can axially movable first friction unit for normal engaging sleeve on described the first coupling shaft, is fixedly connected with the second friction piece on described the second coupling shaft; It is characterized in that,
Described first friction unit is the permanent magnetism friction piece, be arranged with the magnetic chamber at described permanent magnetism friction piece along the direction near motor on described the first coupling shaft, described magnetic is filled with magnetic in the chamber, in the inner chamber in described magnetic chamber and along described magnetic chamber circumferentially be wound with coil, described coil connects DC electrical source.
2. coupling according to claim 1 is characterized in that, described coil is drawn the first terminal and the second terminal, and the first terminal connects the positive pole of DC electrical source, and the second terminal connects the negative pole of DC electrical source; Or the first terminal connects the negative pole of DC electrical source, the positive pole of the second terminal connection DC electrical source.
3. coupling according to claim 1 and 2 is characterized in that, described permanent magnetism friction piece has permanent magnetism end and friction side, and described permanent magnetism end is near described motor, and described friction side is near described motor.
4. coupling according to claim 1 and 2, it is characterized in that, described magnetic chamber is supported on described the first coupling shaft with the first connection bearing, described the second friction piece end vertically with the second bearings on described the first coupling shaft, the other end is fixedly connected on described the second coupling shaft.
5. coupling according to claim 4 is characterized in that, described the first coupling shaft is the external splines structure, and described the second coupling shaft is internal spline structure.
6. coupling according to claim 5 is characterized in that, the inner ring of described the second connection bearing and described the first coupling shaft interference fit, and the outer ring of described the second connection bearing and described the second friction piece interference fit.
7. coupling according to claim 6 is characterized in that, described the second friction piece and described the second coupling shaft are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267431 CN202732774U (en) | 2012-06-07 | 2012-06-07 | Coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267431 CN202732774U (en) | 2012-06-07 | 2012-06-07 | Coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732774U true CN202732774U (en) | 2013-02-13 |
Family
ID=47658475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220267431 Expired - Fee Related CN202732774U (en) | 2012-06-07 | 2012-06-07 | Coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326536A (en) * | 2013-07-03 | 2013-09-25 | 江苏大学 | Coil and permanent magnet hybrid excitation type eddy current retarder |
| CN109973555A (en) * | 2019-04-15 | 2019-07-05 | 徐工集团工程机械股份有限公司道路机械分公司 | A kind of normally closed shaft coupling with arrangement of clutch |
-
2012
- 2012-06-07 CN CN 201220267431 patent/CN202732774U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326536A (en) * | 2013-07-03 | 2013-09-25 | 江苏大学 | Coil and permanent magnet hybrid excitation type eddy current retarder |
| CN109973555A (en) * | 2019-04-15 | 2019-07-05 | 徐工集团工程机械股份有限公司道路机械分公司 | A kind of normally closed shaft coupling with arrangement of clutch |
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Legal Events
| 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 |
Granted publication date: 20130213 Termination date: 20200607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |