CN2237563Y

CN2237563Y - Powerless self-draining gear shift housing oil change machine

Info

Publication number: CN2237563Y
Application number: CN 95211429
Authority: CN
Inventors: 林雨菁
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-05-08
Filing date: 1995-05-08
Publication date: 1996-10-16
Anticipated expiration: 2005-05-08

Abstract

The utility model relates to a powerless self-draining gear shifting oil changing machine. A concave and convex surface which is convexly formed is arranged outside the bottom part of a leather cup in the oil changing machine; therefore, the periphery in the center of the bottom part of the oil changing machine is incompletely adpressed to the bottom part of the oil changing machine, when oil is to be filled full. A gap is left in order to facilitate the air intercommunication between the oil changing machine and the leather cup, and enable the leather cup to be expanded near the oil changing machine in shape. Excessive air can not be remained to influence the accuracy of oil change. Moreover, valve bodies on the new and the old oil pipelines of the oil changing machine are provided with nonreturn valves, so that new oil and old oil in the pipelines flow unidirectionally and outward instead of intward; thus, the phenomena that the new oil and the old oil are mixed in oil change can not be caused.

Description

Unpowered from arranging the change speed gear box machine of changing oil

The utility model relates to a kind of unpowered from arranging the change speed gear box machine of changing oil, particularly relate to a kind of improve the accuracy of renew oil more and make that the fresh oil changed can not mix with old oil unpowered oneself arrange the change speed gear box machine of changing oil.

As shown in Figure 1, in the past unpowered to arrange the change speed gear box machine of changing oil mainly be after utilizing auto activation engine, change oil with the auto transmission oil pressure, cooperate shown in Figure 2, be provided with a leather cup 10 made from the rubber material in this machine of changing oil, this leather cup 10 is used for the splendid attire fresh oil, and this leather cup 10 is to borrow on the antelabium 101 and the machine of changing oil of its top, lower house inserts and puts screw lock with bolt and fixes, this machine top of changing oil is provided with new oil pipe line 12 and old oil pipe line 13, this old oil pipe line 13 also is communicated with in the bottom side of this machine of changing oil, respectively be provided with valve body 121 on this new oil pipe line 12 and the old oil pipe line 13,131, valve body 131 front ends of this old oil pipe line 13 also are provided with four-way connection 14, and level sets firmly a compression indicator (figure does not show) on this four-way connection 14.When changing oil, earlier fresh oil is injected by filler port 11 and fill it up with leather cup 10, borrow the mode of oil pressure to extract of auto shift then, fresh oil is delivered in the change speed gear box by the new oil pipe line 12 in top, and the old oil of script in change speed gear box, then go out the outside that pipeline 13 flows out to leather cup 10 by old oil, along with the old oil mass that flow to leather cup 10 outsides rises gradually, can up push away this leather cup 10, and the fresh oil in this leather cup 10 is extracted gradually, whole leather cup 10 can slowly upwards be done the underaction of extrusion, therefore, the whole action of changing oil is to carry out isobaric quantitatively circulating the displacing that fresh oil and then old oil go out, and this leather cup 10 has isolates new and old oil and the auxiliary function that pushes.

But can residually there be some air the bottom of this machine of changing oil after leather cup 10 is filled with fresh oil.As shown in Figure 2, after the fresh oil in this leather cup 10 is used up, leather cup 10 is drawn onto the upper limb of the machine upper shell of changing oil, and to add fresh oil again so that change oil next time, and because the bottom of this leather cup 10 itself is smooth and be made of colloid, when fresh oil injected leather cup before 10 fast expiring, can be close to the bottom of the machine of changing oil earlier around the bottom center of this leather cup 10, and leather cup 10 peripheries are irregular (as shown in Figure 2), the old oil extruding that this moment, this leather cup 10 borrowed its interior fresh oil will be positioned at leather cup 10 outsides is flowed out, when fresh oil is filled with gradually, near these leather cup 10 central authorities load-carrying maximum, leather cup 10 is less with the motor spindle two tributary cause load-carryings of changing oil, do not discharge old oil and air 15 fully and leave in the side of leather cup 10, old oil that this is residual and air 15 can make the oil pressure effect of auto shift in the process of changing oil produce inaccuracy, that is to say, because gas (residual air) is different with the compression ratio of liquid (residual old oil), the compression ratio of gas is bigger, the inaccuracy shortcoming that causes the new and old oil of isobaric inequality to replace with, if cause because of fresh oil oil inlet quantity deficiency, and the structure of infringement auto shift.

In addition, valve body 131,121 on the old oil pipe line 13 of this machine of changing oil and the new oil pipe line 12 is two-way valve, so, finish when changing oil and to turn off the moment of engine, often have the situation that old oil partly is back to change speed gear box, cause change oil uncertain, and, this new, old oil export causes easily to be obscured, and mixes with fresh oil because of human negligence causes old oil to enter in the machine of changing oil easily.

The purpose of this utility model is to provide a kind of and unpoweredly injects fresh oil when changing oil machine from arranging the change speed gear box machine of changing oil, and leather cup is with change oil between the machine not can residual air, the accuracy that raising is changed oil.

Another purpose of the present utility model provides a kind of can not cause new, old mixing in new, old oily replacing process unpowered from arranging the change speed gear box machine of changing oil.

Of the present utility model being characterised in that: the leather cup bottom outside in this machine of changing oil is convexly equipped with the formation male and fomale(M﹠F), make bottom center on every side when oiling will be expired, can not be close to the bottom of the machine of changing oil fully, and leave the gap, with the air intercommunication of conveniently changing oil between machine and leather cup, can make slowly flare up and the machine of the changing oil shape of pressing close to of this leather cup, and, valve body on new, the old oil pipe line of this machine of changing oil is the check valve setting, makes new, old oil in the pipeline for going out the nonreturn flow that can not advance.

Unpoweredly be elaborated to of the present utility model below by most preferred embodiment and accompanying drawing from arranging the change speed gear box machine of changing oil, in the accompanying drawing:

Fig. 1 is unpowered in the past from arranging the change oil exterior view of machine of change speed gear box.

Fig. 2 is unpowered in the past from arranging the change oil cutaway view of machine of change speed gear box.

Fig. 3 is the cutaway view of leather cup in the utility model preferred embodiment.

Fig. 4 is the backplan of leather cup in the utility model preferred embodiment.

Fig. 5 is the cutaway view that the utility model preferred embodiment leather cup is filled with fresh oil.

Fig. 6 is the cutaway view of the valve body on the new and old pipeline in the utility model preferred embodiment.

Fig. 7 is the cutaway view of another preferred embodiment of filler port in the utility model.

Fig. 8 is the cutaway view of another preferred embodiment of four-way connection on the old oil pipe line in the utility model.

As Fig. 3, shown in 4, for the utility model preferred embodiment unpowered from arranging the change oil cutaway view and the backplan of leather cup of machine of change speed gear box, the structure of this leather cup 20 is roughly with identical in the past, the confession antelabium 201 that lower house inserts and puts on the machine of changing oil is also arranged on the leather cup 20, its difference be in: these leather cup 20 bottom outside are provided with radial fin 202, in the time of in fresh oil will inject leather cup 20, can not be close to around the bottom center of this leather cup 20 with this machine of changing oil, as shown in Figure 5, this fin 202 is strip to distribute because be, so before in fresh oil injects leather cup 20, being about to fill with, weight around this leather cup 20 central authorities and when sinking, can be effectively with the bottom shelf height of leather cup 20, so, can avoid the bottom of leather cup 20 to be close to machine 3 bottoms 30 of changing oil, and make leather cup 20 bottoms and machine 3 bottoms 30 of changing oil maintain gap 203, gap 203 makes leather cup 20 bottoms and the air of changing oil between machine 3 bottoms 30 can circulate whereby, and leather cup 20 continue to be injected and flare up and the machine 3 of the changing oil shape of pressing close to slowly along with fresh oil, so, this leather cup 20 bottoms and change oil and influence the quantitative accuracy of changing oil of level pressure with regard to not having too much residual air between machine 3 bottoms 30.

As shown in Figure 5, valve body on new, the

old oil pipe

31,32 of the machine 3 of changing oil of the present utility model is a check valve 310,320, making new, old oil all is can go out and the nonreturn flow that can not advance, as shown in Figure 6, this

check valve

310 or 320 is joints that an inside is provided with a steel ball 3101 (3201) and latch 3102 (3202), when the flow direction of oil is correct, borrow the pressure of oil that steel ball is pushed open, oil is flow through smoothly, on the contrary, then borrow steel ball that oil circuit is blocked.The check valve 320 that is located on the old oil pipe line 32 can be controlled the oily flow direction, automatically stop old oil to reflux, with the raising quality of changing oil, and the check valve 310 that is located on the new oil pipe line 31 can avoid manual operation improper, that is to say, when changing oil, can avoid the moment that changing oil finishes turns off engine, have the situation that old oil partly is back to change speed gear box, and it is uncertain to cause changing oil, or because of the carelessness of manual operation, and will be new, old oil export is obscured, the fresh oil that causes old oil to enter in the machine of changing oil mixes, so, by the utility model newly, old oil pipe line 31, establish cover check valve 310 on 32,320, can make change oil very certain.

As shown in Figure 7, cutaway view for another preferable enforcement of the utility model, but solid transparent tube body 35 of spiral shell on the filler port 34 of the present utility model, the intrinsic lid 37 of the top spiral shell of this body 35, the bottom transverse of this body 35 is striden the fence 36 that is provided with intersection, this fence 36 can prevent to cause breaking by being extruded in this filler port 34 because of pressure is excessive after this leather cup 20 from rising, thus have the pressure-proof effect, but and whether fill with by these transparent tube body 35 direct viewing fresh oils.In addition, four-way connection on former this old oil pipe line 32 shown in Figure 5, one of 321 replaceable one-tenth are by the nozzle tip 41 of transparent shell 40 cover caps and a pedestal 42, as Fig. 7, shown in 8, have two oil circuits 43 in this pedestal 42,44, this nozzle tip 41 is fixed on oil circuit 43 ports of substrate 42, the oil of these nozzle tip 41 ejections can flow to new oil pipe line 31 via another oil circuit 44,50 corners that vertically are fixed at oil circuit 43 of this compression indicator, so, the user can be directly watch by transparent housing 40 whether the oil plant ejection is arranged, and judges that whether the oil plant that enters is the oil plant of old oil pipe line 32 of flowing through.

Contract the above, the utility model is unpowered from arranging the effect that the change speed gear box machine of changing oil has the accuracy that improves renew oil more really and the fresh oil changed can not mixed with old oil.

Claims

One kind unpowered inside is provided with the leather cup of a splendid attire fresh oil from arranging the change speed gear box machine of changing oil, this machine of changing oil is provided with new oil pipe line and old oil pipe line, respectively is provided with valve body on this new oil pipe line and the old oil pipe line, it is characterized in that:

This leather cup bottom outside is convexly equipped with the formation male and fomale(M﹠F), and and this change oil and have the gap between motor spindle;

Valve body on this new, old oil pipe line is new, old oil in this new, old oil pipe line to be gone out and the check valve that can not advance the ground nonreturn flow.
2. as claimed in claim 1 a kind of unpowered from arranging the change speed gear box machine of changing oil, it is characterized in that:

The male and fomale(M﹠F) that this leather cup exterior bottom is convexly equipped with is a face with the radial fin of most bars and pars intermedia intercommunication.
3. as claimed in claim 1 a kind of unpowered from arranging the change speed gear box machine of changing oil, it is characterized in that:

This check valve is the joint that an inside is provided with a steel ball and a latch.
4. as claim 1 or 3 described a kind of unpowered, it is characterized in that from arranging the change speed gear box machine of changing oil:

Its top is provided with a filler port, solid transparent tube body of spiral shell on this filler port, and the intrinsic lid of the top spiral shell of this body, the bottom transverse of this body is striden the fence that is provided with intersection.
5. as claimed in claim 4 a kind of unpowered from arranging the change speed gear box machine of changing oil, it is characterized in that:

Its top is provided with a filler port, a pedestal is spirally connected on this old oil pipe line, be provided with two pipelines in this pedestal, wherein the vertical spiral shell in corner of the solid nozzle tip of spiral shell and this pipeline is consolidated a compression indicator on the port of a pipeline, this nozzle tip is near the port of another pipeline, another pipeline connects this new oil pipe line, transparent housing of this pedestal and nozzle tip upper cover.