CN201391372Y - Separated crankcase cover assembly - Google Patents

Abstract

Disclosed is a separated crankcase cover assembly, wherein the rear end of a crankcase cover is provided with a window, the window is sealed by a clutch separating cover, the upper edge of the clutch separating cover is radically provided with an operating lever hole, the operating lever hole is communicated with the inner cavity of the crankcase cover through a push rod hole, a starting shaft first through hole and a holding groove are arranged beside the window of the crankcase window, wherein the starting shaft first through hole and a starting shaft second through hole arranged on the clutch separating cover are butt-jointed and communicated, the groove wall of the holding groove is respectively opened with an oil inlet and an oil outlet, a filter element is mounted in the holding groove, the notch of the holding groove is sealed by an engine oil filter cover, an oil channel is arranged on the engine oil filter cover, the inlet of the oil channel is communicated with the inner cavity of the crankcase cover through an oil inlet, and the outlet of the oil channel is communicated with the inner portion of the filter element. The separated crankcase cover assembly provides convenience for the maintenance and replacement of the clutch and the filter element, leads the operation of repairing and changing the clutch or cleaning and replacing the filter element to be simple and fast, and guarantees the hermeticity of the crankcase and the dynamic balance of the crankshaft without being influenced.

Description

Separated type crankcase cover assembly

Technical field

The utility model relates to a kind of engine components, specifically, relates in particular to the separated type crankcase cover assembly on the motor.

Background technique

At present, traditional crankcase cover is the monolithic construction of the uncovered back-end closure of front end, and clutch operating device and push rod are installed in the closed end of crankcase cover, and both interconnect, the action of clutch operating device passes to clutch by push rod like this, so that solenoidoperated cluthes separate or engage.There is serious use defective in above structure: when needs repair or replace engine clutch, whole engine crankshaft case lid all must be disassembled, not only complex operation, waste time and energy, and frequent easy disassembling destroys the sealing of crankcase and the dynamic balancing of bent axle, whenever tear open on the one hand once and just must change the crankcase cover sealing gasket, cost is high; On the other hand, can make the stationarity of crankshaft operation descend the vibration that has strengthened engine operation.

In traditional crankcase structure, spin-on oil filter is installed on the bent axle, and with the bent axle high speed rotating, the centrifugal force that produces by rotation removes the impurity in the machine oil.Because spin-on oil filter is positioned at crankcase, when needing to be serviced or change, must dismantle crankcase cover and bent axle, not only operating difficulties, efficient are lower, and frequent easy disassembling destroys the sealing of crankcase and the dynamic balancing of bent axle, the stationarity of crankshaft operation is descended, and working life of bent axle has been shortened in the vibration that had both strengthened engine operation again.

The model utility content

Technical problem to be solved in the utility model is to provide a kind of separated type crankcase cover assembly, with convenient clutch and oil filter is safeguarded or is changed.

The technical solution of the utility model is as follows: a kind of separated type crankcase cover assembly, comprise crankcase cover, clutch separation lid, filter core and the cover of oil filter of being with inner chamber, wherein the front end of crankcase cover is uncovered, rear end at crankcase cover offers window, this window is by the sealing of clutch separation lid, cover in clutch separation and to be disposed radially the operating handle hole, the upper end in described operating handle hole connects to the end face of clutch separation lid, the lower end in operating handle hole extends to the middle part of clutch separation lid, and communicates with the inner chamber of crankcase cover by push-rod hole; Starting shaft first via hole and containing groove are set on the next door of described crankcase cover window, wherein starting shaft first via hole communicates with starting shaft second via hole butt joint that clutch separation covers, the cell wall of described containing groove is offered oil inlet hole and oil outlet respectively, and oil outlet connects the front-end face to crankcase cover; In described containing groove, filter core is installed, and the notch of containing groove is sealed by cover of oil filter, and cover of oil filter is provided with oil duct, and the import of this oil duct communicates with the inner chamber of crankcase cover by oil inlet hole, the outlet of oil duct is positioned at the bottom surface of cover of oil filter, and communicates with the inside of filter core.

The utility model is on the basis of conventional construction, window is offered in rear end at crankcase cover, and be equipped with a clutch separation lid that adapts with this window shape size, the clutch separation lid is fixed on the crankcase cover, on the one hand window is sealed, can install for clutch operating device and push rod on the other hand, be specially: clutch operating device is located in the operating handle hole that clutch separation covers, clutch push rod is located in the push-rod hole that clutch separation covers, and clutch push rod is connected with clutch operating device, the action of clutch operating device can pass to clutch in the crankcase by clutch push rod like this, makes clutch or separation.When needs to the clutch place under repair, when changing, can be under the prerequisite of not removing crankcase cover, directly the clutch separation lid is pulled down from crankcase cover, window from crankcase cover takes out clutch in crankcase, not only simple to operate, workload is little, efficient is higher, and can not destroy the sealing of crankcase and the dynamic balancing of bent axle.

On the next door of crankcase cover window starting shaft via hole and containing groove are set, it is protruding that starting shaft passes starting shaft second via hole that starting shaft first via hole on the crankcase cover and clutch separation cover; The filter net type filter core is installed in the containing groove, and the notch of containing groove is sealed by cover of oil filter.In the oil duct that machine oil in the engine sump covers by the inflow of the oil inlet hole on crankcase cover oil filter under the effect of oil pump, flow in the filter core by oil duct again, after filter core filters out impurities, directly import in the crankshaft oil gallery by the oil outlet on the crankcase cover, bent axle is cooled off, lubricates.Cover of oil filter and filter core, crankcase cover are formed novel static filter net type oil filter, can realize the function of conventional centrifugal oil filter, and clean, safeguard at needs or more during renew cartridge, only need cover of oil filter is removed and can be carried out, need not to dismantle crankcase cover and bent axle, so not only simple, convenient quick, and the dynamic balancing that has guaranteed the sealing of crankcase and bent axle is unaffected, make bent axle to turn round reposefully all the time, prolonged the working life of bent axle.

The window of above-mentioned crankcase cover rear end is circular, and first journal stirrup and first fitting seat are set on the edge of this window, offers starting shaft first via hole on first fitting seat; Described clutch separation lid also is circular, the excircle of clutch separation lid is pre-small post-large step section, the reduced diameter section of clutch separation lid stretches in the window of crankcase cover, on the enlarged diameter section of clutch separation lid, second journal stirrup and second fitting seat are set, wherein second journal stirrup and first journal stirrup fit, and, on described second fitting seat, offer starting shaft second via hole by screw.Above structure can guarantee that clutch separation is covered on crankcase cover and install firmly that and dismounting is very convenient.

For the sealing between reinfored clutch separate cover and the crankcase cover, on the reduced diameter section of above-mentioned clutch separation lid excircle, offer annular groove, the O RunddichtringO is installed in the annular groove.

Above-mentioned starting shaft second via hole is pre-small post-large step hole, in the big step section of step hole oil sealing is installed like this, to strengthen sealing.

Offer peep hole on above-mentioned crankcase cover, this peep hole is positioned at the lower right of clutch separation lid, and communicates with the inner chamber of crankcase cover.The external port of peep hole is sealed by transparent cover, can observe machine oil situation in the crankcase at any time by transparent cover like this, so that in time add or change engine oil more.

Top at above-mentioned crankcase cover offers oil hole, and this oil hole communicates with the inner chamber of crankcase cover.Can directly in crankcase, inject machine oil by oil hole, convenient, quick.

Right-hand member at above-mentioned crankcase cover is provided with oil intake nozzle and oil outlet, and described oil intake nozzle and oil outlet all communicate with the inner chamber of crankcase cover.Oil intake nozzle and oil outlet can communicate with oil cooler by external oil pipe as the configuration of selecting for use, to accelerate the rate of cooling of crankcase inner engine oil; If do not select for use, only need oil intake nozzle and oil outlet shutoff are got final product.

Manufacturing for convenience is formed with annular boss at the middle part of above-mentioned clutch separation cap seal closed end inwall, offers push-rod hole along the axis of this annular boss, and described push-rod hole and operating handle hole are perpendicular.

Above-mentioned containing groove is circular, is positioned at the upper right of clutch separation lid, offers auxiliary hole in the central authorities of containing groove bottom land, and this auxiliary hole connects the front-end face to crankcase cover, and plug is installed in the auxiliary hole, and the rear end of plug is stretched in the mounting spring of filter core.Auxiliary hole plays convenient processing containing groove, and after the machine shaping, auxiliary hole is ineffective, and by the plug shutoff, the bottom land of containing groove is protruded in the rear end of plug, and the filter core mounting spring is located.

Central authorities at said engine oil strainer cover front end are formed with round boss, and this round boss embeds in the filter core, and the outlet of described oil duct connects the front-end face to round boss.Round boss to the filter core location, has guide function on the one hand on the other hand, machine oil can be imported in the filter core, filters.

Beneficial effect: the utility model provides convenience for the maintenance and the replacing of clutch, filter core, make and repair, change clutch, perhaps cleaning, the operation simple and fast more of renew cartridge more, cost is lower, and the dynamic balancing that has guaranteed the sealing of crankcase and bent axle is unaffected, have be skillfully constructed, simple in structure, implement easily, characteristics such as good reliability.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the structural representation of crankcase cover in the utility model.

Fig. 4 is the B-B sectional view of Fig. 3.

Fig. 5 is the plan view of Fig. 3.

Fig. 6 is the structural representation of clutch separation lid in the utility model.

Fig. 7 is the left view of Fig. 6.

Fig. 8 is the C-C sectional view of Fig. 6.

Fig. 9 is the structural representation of cover of oil filter in the utility model.

Figure 10 is the D-D sectional view of Fig. 9.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the utility model is made of the parts such as crankcase cover 1, clutch separation lid 3, filter core 11 and cover of oil filter 12 of band inner chamber 2, wherein the front end of crankcase cover 1 is uncovered, uncovered shape size adapts with the end face that combines of crankcase body, and uncovered outer rim is distributed with a plurality of erection columns 27, pass mounting hole corresponding on this erection column 27 and the crankcase body by screw, crankcase cover 1 is fixed on the crankcase body.Offer oil hole 19 at the top of crankcase cover 1, this oil hole 19 communicates with the inner chamber 2 of crankcase cover 1, can directly inject machine oil by oil hole 19 in crankcase.Right-hand member at described crankcase cover 1 is provided with oil intake nozzle 20 and oil outlet 21, and oil intake nozzle 20 is positioned at the top of oil outlet 21, and described oil intake nozzle 20 and oil outlet 21 all communicate with the inner chamber 2 of crankcase cover 1.Oil intake nozzle 20 and oil outlet 21 can communicate with oil cooler by external oil pipe as the configuration of selecting for use, to accelerate the rate of cooling of crankcase inner engine oil; If do not select for use, only need oil intake nozzle and oil outlet shutoff are got final product.Offer peep hole 18 at the lower right part of crankcase cover 1, this peep hole 18 also communicates with the inner chamber 2 of crankcase cover 1.The external port of peep hole 18 is sealed by transparent cover, can observe machine oil situation in the crankcase at any time by transparent cover like this, so that in time add or change engine oil more.

As Fig. 1, Fig. 2, Fig. 3, Fig. 6, Fig. 7 and shown in Figure 8, rear end at crankcase cover 1 offers circular window, be formed with one first fitting seat 15 and a plurality of first journal stirrup 14 on the edge of this window, on first fitting seat 15, offer starting shaft first via hole 6, offer the installation via hole on each first journal stirrup 14.Described first fitting seat 15 is in the left bottom of window, and wherein between two first journal stirrups 14, and two first journal stirrups 14 of first fitting seat 15 and this link to each other.Described clutch separation lid 3 is that front end is uncovered, the round structure of back-end closure, the excircle of clutch separation lid 3 is pre-small post-large step section, the reduced diameter section of clutch separation lid 3 stretches in the window of crankcase cover 1, cover in clutch separation on the reduced diameter section of 3 excircles and offer annular groove, O RunddichtringO 26 is installed in the annular groove.On the enlarged diameter section of clutch separation lid 3 second journal stirrup 16 and second fitting seat 17 are set, wherein the number of second journal stirrup 16 and position are corresponding with first journal stirrup 14, and second journal stirrup 16 and first journal stirrup 14 fit, and pass through screw.The position of described second fitting seat 17 is corresponding with first fitting seat 15, on second fitting seat 17, offer starting shaft second via hole 8, this starting shaft second via hole 8 communicates with 6 butt joints of starting shaft first via hole, and starting shaft second via hole 8 is pre-small post-large step hole, in the big step section of starting shaft second via hole 8, oil sealing is installed, to prevent from the starting shaft leakage of oil.

As Fig. 6, Fig. 7, shown in Figure 8, closed end at clutch separation lid 3 radially is processed with operating handle hole 4, the upper end in this operating handle hole 4 connects to the end face of clutch separation lid 3, the lower end in operating handle hole 4 extends to the middle part that clutch separation is covered 3 closed ends, and the middle part that clutch separation is covered 3 closed end inwalls is formed with annular boss 22, offer push-rod hole 5 along the axis of this annular boss 22, this push-rod hole 5 is perpendicular with operating handle hole 4, the rear end of push-rod hole 5 communicates with the lower end in operating handle hole 4, and the front end of push-rod hole 5 connects to the front-end face of annular boss 22.

As Fig. 1, Fig. 2, Fig. 9 and shown in Figure 10, next door at crankcase cover 1 window is provided with containing groove 7, this containing groove 7 is positioned at the upper right of clutch separation lid 3, containing groove 7 also is circular, the bottom land of containing groove 7 preceding, notch after, offer auxiliary hole in the central authorities of containing groove 7 bottom lands, this auxiliary hole connects to the front-end face of crankcase cover 1, and plug 23 is installed in the auxiliary hole, and the bottom land of containing groove 7 is protruded in the rear end of plug 23, forms boss structure.Offer oil inlet hole 9 at described containing groove 7 near on the cell wall of notch, this oil inlet hole 9 is positioned on the common wall of containing groove 7 and crankcase cover inner chamber 2.Set out oilhole 10 on the cell wall of containing groove 7 middle and lower parts, oil outlet 10 is positioned at the opposite side of oil inlet hole 9, and oil outlet 10 connects to the front-end face of crankcase cover 1.Filter net type filter core 11 is installed in described containing groove 7, and the notch of containing groove 7 seals by cover of oil filter 12, the mounting spring 24 of described filter core 11 bottoms is sleeved on the boss of plug 23 rear ends, by this boss location.

From Fig. 1, Fig. 2, Fig. 9 and Figure 10 further as can be known, cover of oil filter 12 is pre-small post-large stepped cylinder structure, the small stair section of cover of oil filter 12 stretches in the containing groove 7, central authorities at cover of oil filter 12 front ends are formed with round boss 25, and this round boss 25 embeds in the filter core 11.Be symmetrically arranged with two journal stirrups 28 on the excircle of cover of oil filter 12 big step sections, this journal stirrup 28 is corresponding with the journal stirrup of containing groove 7 notch outer rims, and by screw together.The front portion of described cover of oil filter 12 small stair sections is provided with oil duct 13, this oil duct 13 is made up of two holes that intersect vertically, the import of oil duct 13 and oil inlet hole 9 connect, and communicate with the inner chamber 2 of crankcase cover 1 by oil inlet hole 9, the outlet of oil duct 13 connects to the front-end face of round boss 25, and communicates with the inside of filter core 11.

In the utility model, clutch separation lid 3 seals the window of crankcase cover 1 rear end on the one hand, can pass through for starting shaft on the other hand, and for the installation of clutch operating device and push rod provides convenience, be specially: starting shaft first via hole 6 and starting shaft second via hole 8 on the clutch separation lid 3 that starting shaft passes on the crankcase cover 1 are protruding; Clutch operating device is located in the operating handle hole 4 on the clutch separation lid 3, clutch push rod is located in the push-rod hole 5 on the clutch separation lid 3, and clutch push rod is connected with clutch operating device, the action of clutch operating device can pass to clutch in the crankcase by clutch push rod like this, makes clutch or separation.When needs to the clutch place under repair, when changing, can be under the prerequisite of not removing crankcase cover 1, directly clutch separation lid 3 is pulled down from crankcase cover 1, window from crankcase cover 1 takes out clutch in crankcase, not only simple to operate, workload is little, efficient is higher, cost is lower, and can not destroy the sealing of crankcase and the dynamic balancing of bent axle.

Next door at crankcase cover 1 window is provided with containing groove 7, filter net type filter core 11 is installed in the containing groove 7, like this in the oil duct 13 that the machine oil in the engine sump flows on the cover of oil filter 12 by the oil inlet hole on the crankcase cover 19 under the effect of oil pump, flow in the filter core 11 by oil duct 13 again, after filter core 11 filters out impurities, directly import in the crankshaft oil gallery by the oil outlet on the crankcase cover 1 10, bent axle is cooled off, lubricates.Cover of oil filter 12 is formed novel static filter net type oil filter with filter core 11, crankcase cover 1, can realize the function of conventional centrifugal oil filter, and clean, safeguard at needs or more during renew cartridge, only need cover of oil filter is removed and can be carried out, need not to dismantle crankcase cover and bent axle, so not only simple, convenient quick, and the dynamic balancing that has guaranteed the sealing of crankcase and bent axle is unaffected, make bent axle to turn round reposefully all the time, prolonged the working life of bent axle.

Claims (10)

1, a kind of separated type crankcase cover assembly, the crankcase cover (1) that comprises band inner chamber (2), the front end of this crankcase cover (1) is uncovered, it is characterized in that: the rear end at described crankcase cover (1) offers window, this window is by clutch separation lid (3) sealing, on clutch separation lid (3), radially be provided with operating handle hole (4), the upper end in described operating handle hole (4) connects to the end face of clutch separation lid (3), the lower end in operating handle hole (4) extends to the middle part of clutch separation lid (3), and communicates with the inner chamber (2) of crankcase cover (1) by push-rod hole (5); On the next door of described crankcase cover (1) window starting shaft first via hole (6) and containing groove (7) are set, wherein starting shaft first via hole (6) communicates with starting shaft second via hole (8) butt joint that clutch separation is covered on (3), the cell wall of described containing groove (7) is offered oil inlet hole (9) and oil outlet (10) respectively, and oil outlet (10) connects to the front-end face of crankcase cover (1); Filter core (11) is installed in described containing groove (7), and the notch of containing groove (7) is sealed by cover of oil filter (12), cover of oil filter (12) is provided with oil duct (13), the import of this oil duct (13) communicates with the inner chamber (2) of crankcase cover (1) by oil inlet hole (9), the outlet of oil duct (13) is positioned at the bottom surface of cover of oil filter (12), and communicates with the inside of filter core (11).

2, separated type crankcase cover assembly according to claim 1, it is characterized in that: the window of described crankcase cover (1) rear end is for circular, first journal stirrup (14) and first fitting seat (15) are set on the edge of this window, on first fitting seat (15), offer starting shaft first via hole (6); Described clutch separation lid (3) also is circular, the excircle of clutch separation lid (3) is pre-small post-large step section, the reduced diameter section of clutch separation lid (3) stretches in the window of crankcase cover (1), on the enlarged diameter section of clutch separation lid (3), second journal stirrup (16) and second fitting seat (17) are set, wherein second journal stirrup (16) fits with first journal stirrup (14), and, on described second fitting seat (17), offer starting shaft second via hole (8) by screw.

3, separated type crankcase cover assembly according to claim 2 is characterized in that: offer annular groove on the reduced diameter section of described clutch separation lid (3) excircle, O RunddichtringO (26) is installed in the annular groove.

4, separated type crankcase cover assembly according to claim 2 is characterized in that: described starting shaft second via hole (8) is pre-small post-large step hole.

5, separated type crankcase cover assembly according to claim 1 and 2, it is characterized in that: on described crankcase cover (1), offer peep hole (18), this peep hole (18) is positioned at the lower right of clutch separation lid (3), and communicates with the inner chamber (2) of crankcase cover (1).

6, separated type crankcase cover assembly according to claim 1 and 2 is characterized in that: offer oil hole (19) at the top of described crankcase cover (1), this oil hole (19) communicates with the inner chamber (2) of crankcase cover (1).

7, separated type crankcase cover assembly according to claim 1 and 2, it is characterized in that: the right-hand member at described crankcase cover (1) is provided with oil intake nozzle (20) and oil outlet (21), and described oil intake nozzle (20) and oil outlet (21) all communicate with the inner chamber (2) of crankcase cover (1).

8, separated type crankcase cover assembly according to claim 1 and 2, it is characterized in that: the middle part at described clutch separation lid (3) closed end inwall is formed with annular boss (22), offer push-rod hole (5) along the axis of this annular boss (22), described push-rod hole (5) is perpendicular with operating handle hole (4).

9, separated type crankcase cover assembly according to claim 1, it is characterized in that: described containing groove (7) is for circular, be positioned at the upper right of clutch separation lid (3), central authorities at containing groove (7) bottom land offer auxiliary hole, this auxiliary hole connects to the front-end face of crankcase cover (1), and plug (23) is installed in the auxiliary hole, and the rear end of plug (23) is stretched in the mounting spring (24) of filter core (11).

10, according to claim 1 or 9 described separated type crankcase cover assemblies, it is characterized in that: the central authorities at described cover of oil filter (12) front end are formed with round boss (25), this round boss (25) embeds in the filter core (11), and the outlet of described oil duct (13) connects to the front-end face of round boss (25).

Images