A kind of motor car engine
The application is that model utility is divided an application, and the application number of this division application original bill is 201120126522.8, and the applying date is on April 26th, 2011, and the model utility name is called " a kind of motor car engine ".
[technical field]
The utility model relates to automobile, relates in particular to a kind of motor car engine that electric power can be provided for car air conditioner or other annexes.
[background technique]
The not merely vertical air-conditioning system that the tradition large and medium bus adopts adopts split type layout, and air condition compressor is installed in motor head and drives through crank pulley, and air-conditioning draught fan also drags the DC24V generator powered by the crank pulley of motor car engine.The shortcoming that the on-board air conditioner system adopts split type layout to bring is that system architecture is complicated, the pipeline of compressor is very long, causes freezing medium leakage easily, befouling environment; Vehicle Engine Structure is complicated, and the annex that crank pulley need drive is many, breaks down easily.
Can electric power be provided to the on-board air conditioner system in order to provide a kind of, be convenient to the motor car engine that the on-board air conditioner system adopts the integral arrangement structure, the applicant has submitted application for a patent for invention on January 28th, 2011 to State Intellectual Property Office; Application number is 201110031012.7; The shortcoming of technological scheme that this application provides is, the motor overall dimension is bigger, and structure is comparatively complicated; Need to revise the bent axle of existing motor car engine, cause certain degree of difficulty for the popularization and the enforcement of technological scheme.
[summary of the invention]
The technical problem that the utility model will solve provides a kind of simple in structure, can electric power be provided to on-board air conditioner system or other annexes, and the motor overall dimension is less, need not revise the motor car engine of existing automobile engine crankshaft.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopts is a kind of motor car engine; Comprise body, the positive hour wheel of bent axle and generator, described body comprises protecgulum, and described generator comprises stator, rotor and forward and backward bearing; Described stator comprises shell and is fixed on the stator coil in the shell; Described rotor comprises rotor shaft, and described stator is fixed on the protecgulum of engine body, described rotor through forward and backward Bearing Installation on stator; Described rotor shaft is connected with positive hour wheel through hitch bar; Described hitch bar comprises spline housing and a plurality of screw; The front end of spline housing comprises internal spline; The rear end of spline housing comprises installs bead and central locating hole; Described installation bead comprises the plurality of fixed screw hole, and the front end of the positive hour wheel of said bent axle comprises locating journal and a plurality of screw hole; The central locating borehole jack of spline housing is on the locating journal of the positive hour wheel front end of bent axle, and described a plurality of screws pass described fixing screw hole and are screwed into described screw hole, and spline housing is fixed on the positive hour wheel of bent axle; The rear end of said rotor shaft comprises spline axle head, and described spline axle head inserts described internal spline, and suitable with described internal spline.
Above-described motor car engine comprises crank pulley, and described crank pulley is installed in the front end of said rotor shaft.
Above-described motor car engine, described generator comprises front bearing retainer, and described front bearing retainer is a stifle, is fixed on the front end of generator casing, and described rotor shaft is positioned at the rear of front bearing retainer.
Above-described motor car engine, the front-end face of said protecgulum comprises the installation convex, described generator comprises that the shell of the described generator of rear bearing cover comprises the installation bead; Described rear bearing cover is clipped in to be installed between convex and the installation bead, and links together through screw; Rear bearing cover and install between the convex, all comprise positioning spigot between rear bearing cover and the installation bead.
Above-described motor car engine, described generator are the air-conditioning generators, and described air-conditioning generator is the permanent magnetic DC generator, and the rotor of generator comprises the magnetic pole of permanent magnet; Described protecgulum is a toothed belt wheel cover cap in correct time, and described positive hour wheel is the toothed belt wheel in correct time.
The motor car engine of the utility model can provide electric power to the on-board air conditioner system; Generator arrangements is at the front end of automobile engine crankshaft; By the wheel drive in correct time, engine structure is simple, is convenient to the on-board air conditioner system and adopts the integral arrangement structure; And need not to change existing automobile engine crankshaft and positive hour wheel, be convenient to implement and promote.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the utility model motor car engine embodiment 1 a structural representation.
Fig. 2 is the utility model motor car engine embodiment 2 a structural representation.
Fig. 3 is the utility model motor car engine embodiment 3 a structural representation.
Fig. 4 is the utility model motor car engine embodiment 4 a structural representation.
Fig. 5 is the utility model motor car engine embodiment 5 a structural representation.
Fig. 6 is the utility model motor car engine embodiment 6 a structural representation.
[embodiment]
In the embodiment 1 of the utility model motor car engine shown in Figure 1, the cylinder body front end of motor car engine is equipped with toothed belt wheel cover cap in correct time (or Timing gear cover) 1, and toothed belt wheel in correct time (or timing gear) 2 is packed in the front end of bent axle 11.
The air-conditioning generator comprises stator 3, rotor 4, fore bearing 5, rear bearing 6, front cover 7 and rear end cover 8.
Stator 3 comprises shell 301 and is fixed on the stator coil 302 in the shell 301, and shell 301 is fixed on toothed belt wheel cover cap 1 front end in correct time.Rotor 4 is installed on the stator 3 through forward and backward bearing 5 and 6.Rotor shaft 401 through hitch bar with correct time toothed belt wheel 2 be connected, rotor shaft 401 with correct time toothed belt wheel 2 coaxial, and by toothed belt wheel 2 drivings in correct time.
Embodiment 1 hitch bar comprises drive plate 9 and driven disc 10, and the front end of drive plate 9 comprises ring gear 901, and the rear end of driven disc 10 comprises external gear 1001.Drive plate 9 is fixed on the front end of bent axle toothed belt wheel in correct time 2, and driven disc 10 is fixed on the rear end of rotor shaft 401.The external gear 1001 of driven disc 10 inserts in the ring gear 901, and external gear 1001 has the same number of teeth, modulus and standard pitch diameter with ring gear 901.The narrower in width of ring gear 901 and external gear 1001, and between cog, tooth top all have certain clearance not only can transferring power after both plug together, and can also remedy bent axle toothed belt wheel in correct time 2 and rotor shaft 401 coaxiality error in a small amount simultaneously.
Drive plate 9 has the central locating hole and is arranged in central locating hole 4 fixing screw holes all around.The front end of bent axle toothed belt wheel in correct time 2 has locating journal 201 and 4 screw holes.The positioning hole of drive plate 9 is enclosed within on the locating journal 201 of bent axle toothed belt wheel in correct time 2 front ends, and the fixing screw hole that 4 screws pass drive plate 9 is screwed into toothed belt wheel 2 screw holes in correct time, drive plate 9 is fixed on the front end of bent axle toothed belt wheel in correct time 2.
The inner hole sleeve of driven disc 10 on the axle journal 402 of rotor shaft 401 rear ends, and through flat key 1002 transmitting torques, driven disc 10 axially spacing with plain cushion 1004 by the screw 1003 that is fixed on rotor shaft 401 back axle heads.
Rear bearing 6 is installed between driven disc 10 and the rear end cover 8, and the inner ring of rear bearing 6 is enclosed within on the axle journal of driven disc 10 front ends, axially uses jump ring 1005 spacing.The outer ring of rear bearing 6 is installed in holding in the hole of rear end cover 8.
Toothed belt wheel cover cap 1 front-end face was welded with convex 101 was installed correct time, and there is the bead 303 of installation the rear end of generator casing 301.Rear bearing cover 8 is clipped in to be installed between convex 101 and the installation bead 303, and links together through screw.Rear bearing cover 8 and install between the convex 101, rear bearing cover 8 respectively comprises 1 positioning spigot 801 with installing between the bead 303, with the rotor 4 that guarantees generator and correct time toothed belt wheel 2 centerings good.
Fore bearing 5 is installed between front cover 7 and the rotor shaft 401.The inner ring of fore bearing 5 is enclosed within on the axle journal 403 of inner rotor shaft front end, and the outer ring of fore bearing 5 is installed in holding in the hole of front cover 7.
Crank pulley 15 is installed on rotor shaft 401 axle journal 404 foremost, and rotor shaft 401 passes through woodruff key 1501 to crank pulley 15 transmitting torques.Crank pulley 15 is through the water pump and the fan of belt drives motor.
The generator of present embodiment is the air-conditioning generator, and the air-conditioning generator is the permanent magnetic DC generator, and the magnetic pole 405 of permanent magnet is arranged on the rotor 4 of generator.
The embodiment's 2 of the utility model motor car engine structure is as shown in Figure 2.Embodiment 2 structure and embodiment 1 are basic identical, and difference only is that hitch bar is different.Embodiment 2 hitch bar comprises that the elastic coupling flexible coupling that has 4 drive holes 1203 connects 12,4 drive pin 1201 of dish and many elastic rings 1202; The rear end that elastic coupling flexible coupling connects dish 12 is fixed on the axle journal 402 of rotor shaft 401 rear-most ends; Axle journal 402 has external splines; Suitable with the internal spline that elastic coupling flexible coupling connects in the dish 12 rear portion endoporus, come transmitting torque through spline between the two.Elastic coupling flexible coupling connects the axially spacing with plain cushion 1004 by the screw 1003 that is fixed on rotor shaft 401 back axle heads of dish 12.The helical thread portion of the rear end of 4 drive pin is fixed in 4 tapped holes of front end of bent axle toothed belt wheel in correct time 2.Elastic coupling flexible coupling connects dish 12, drive pin 1201, elastic ring 1202 and bent axle toothed belt wheel in correct time 2 and constitutes elastic ring column pin shaft couplings, both can transmitting torque, can remedy the coaxiality error between bent axle toothed belt wheel in correct time 2 and the rotor shaft again.
Rear bearing 6 is installed in elastic coupling flexible coupling and connects between dish 12 and the rear end cover 8, and the inner ring of rear bearing 6 is enclosed within elastic coupling flexible coupling and connects on the axle journal of dish 12 front ends, axially uses jump ring 1005 spacing.The outer ring of rear bearing 6 is installed in holding in the hole of rear end cover 8.
The embodiment's 3 of the utility model motor car engine structure is as shown in Figure 3.Embodiment 3 structure and embodiment 1 and 2 are basic identical, and difference only is that hitch bar is different.
Embodiment 3 hitch bar comprises spline housing 13 and 4 screws, and the front end of spline housing 13 has internal spline, and there are bead of installation 1301 and central locating hole in the rear end of spline housing 13, and the front end of bent axle toothed belt wheel in correct time 2 has locating journal 201 and 4 screw holes.The central locating borehole jack of spline housing 13 is on the locating journal 201 of positive hour wheel 2 front ends of bent axle, and 4 screws pass fixing screw hole and are screwed into screw hole, and spline housing 13 is fixed on the bent axle toothed belt wheel in correct time 2.The rear-most end of rotor shaft 401 is spline axle heads 406; Spline axle head 406 inserts the internal spline of spline housing 13; And suitable with the internal spline of spline housing 13, the between cog of interior external splines, tooth top all have certain clearance, and the width of interior external splines is narrower; Not only can transferring power after both plug together, can also remedy coaxiality error in a small amount between bent axle toothed belt wheel in correct time 2 and the rotor shaft 401.
Rear bearing 6 is installed between rotor shaft 401 and the rear end cover 8, and the inner ring of rear bearing 6 is enclosed within on the axle journal 407 at rotor shaft 401 rear portions, and the outer ring of rear bearing 6 is installed in holding in the hole of rear end cover 8.
The utility model embodiment 4,5,6 structure is like Fig. 4,5, shown in 6, and the structure at center, rear portion is corresponding one by one with embodiment 1,2,3. Embodiment 4,5,6 front portion structure is identical.Embodiment 4,5,6 and embodiment's 1,2,3 difference is not have crank pulley 15, and the front cover 7 that is fixed on the air-conditioning generator casing 301 is the blanking covers that do not have endoporus, and the rotor shaft 401 of generator is positioned at the rear of front cover 9 fully.Fore bearing 5 is installed between rotor shaft 401 and the front cover 7, and the inner ring of fore bearing 5 is enclosed within on the axle journal 403 of rotor shaft 401 front ends, and the outer ring of fore bearing 5 is installed in holding in the hole of front cover 7.
In embodiment 4,5,6, the fan of motor and water pump are by motoring, and generator is except also supplying power to the motor of fan and water pump to the air condition compressor power supply of automobile, so fan and water pump no longer need crank pulley to drive.
In embodiment 4,5,6, if automobile does not have air-conditioning system, then generator can only be supplied power to the motor of fan and water pump or other consumers of automobile, and at this moment, generator is the general automobiles generator.
The motor car engine of the utility model can provide electric power to the on-board air conditioner system; Generator arrangements is at the front end of automobile engine crankshaft; Driven by toothed belt wheel in correct time (or timing gear), engine structure is simple, is convenient to the on-board air conditioner system and adopts the integral arrangement structure; And need not to change existing automobile engine crankshaft and toothed belt wheel in correct time, be convenient to implement and popularization.