CN2463224Y

CN2463224Y - Vehicle runner

Info

Publication number: CN2463224Y
Application number: CN 00255146
Authority: CN
Inventors: 牛保明
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-22
Filing date: 2000-09-22
Publication date: 2001-12-05
Anticipated expiration: 2010-09-22

Abstract

The utility model relates to a vehicle runner which is a slide mechanism of an automobile. The utility model is arranged at the back end of a gear box of an original vehicle and can be also arranged in the gear box. A one way splitting principle of a ratchet wheel and a pawl is used. A power train and an engine are separated automatically on a slide occasion. Under the action of the inertia effect, a slide distance is enlarged to achieve the aim of fuel saving. Rotary speeds of gears in the gear box are consistent substantially after separation. Gear shifting can be done without a clutch, and an operating procedure is simplified. When a vehicle speed needs to be limited under a working condition of a declivity or a slippery road, etc., a glider can be locked to cause the vehicle to be come back to the performance of the original vehicle.

Description

Automobile glider

The utility model belongs to the automotive transmission annex, can be used for various step changes, the vehicle of back-wheel drive.

Existing automobile can utilize coast to travel in the process of sliding, and advantage is to save fuel oil, reduces engine wear.Travel but adopt to slide, just must change to Neutral Position to change speed gear box, transmission system and driving engine are thrown off, otherwise driving engine by transmission system to sliding the generation drag effect, can not receive the good result that slides, and chaufeur is in order to slide frequent gear shift, the one, aggravated the wearing and tearing of change speed gear box, the 2nd, increased the manipulation strength of chaufeur, therefore a lot of chaufeurs seldom adopt neutral gear to slide.Especially in the urban district, coasting distance is short, and operation does not frequently adopt neutral gear to slide especially, and in order to address this problem, the someone releases the semiaxis glider of third wheel limit glider and front-drive cars, because of reason such as inconvenience is installed, loses enforcement in actual meeting the tendency.

The purpose of this utility model provides a kind of automobile glider.Be installed between change speed gear box rear end and the transmission system, when sliding, driving engine can separate automatically with transmission system, has simplified operating sequence, makes full use of that sliding travels and reach fuel-economizing and reduce the purpose of mechanical wear.

The utility model is to realize like this, automobile glider is installed between the tail end and telescopic transmission shaft cover of former car change speed gear box, automobile glider front end pawl seat spline housing, be enclosed within on former two males splines, the telescopic of the transmission shaft after shortening is enclosed within on the ratchet shaft spline of rear end of automobile glider, and then it is fastening automobile glider shell and former gear-box case with nut with gusset piece, automobile glider also can be installed in former change speed gear box inside, but need shorten the sharp change speed gear box rear side housing shape that changes of two shaft sizes.The core institution of automobile glider is to utilize ratchet, the unidirectional separation principle of ratchet to make.When need slided, chaufeur lifted Das Gaspedal, and driving engine drops to tickover, but wheel rotating speed under effect of inertia is still very high, and this moment, ratchet device separated automatically, and driving engine does not play drag effect to the speed of a motor vehicle, made coasting distance strengthen the purpose that reaches fuel-economizing.When operating modes such as Xia Dapo and road cunning needed driving engine to pin down the speed of a motor vehicle, available blocking device can not pin centrifugation with ratchet device, and vehicle returns to former performance.Loading onto the automobile glider in-motion shifting can be without power-transfer clutch.Oil turbine is at tickover because must disappear during engage a gear, transmission system is higher than the rotating speed of two of change speed gear boxs certainly, this moment, ratchet device was certainly in released state, two and one rotating speed difference of change speed gear box is little, also can not use power-transfer clutch to hang up required any gear smoothly even without synchro.The wearing and tearing that operating process has also reduced separation device had both been simplified.

Accompanying drawing is embodiment of the invention signal:

Fig. 1 is the automobile glider section-drawing;

Fig. 2 is the blocking device block diagram;

Fig. 3 is centrifugal block of scheme drawing of click;

Fig. 4 is automobile glider shell and former car connection diagram;

Fig. 5 is that automobile glider and former car connect the back scheme drawing;

Fig. 6 is contained in scheme drawing in the housing for automobile glider;

Fig. 7 is the interior scheme drawing of former car change speed gear box for automobile glider is contained in.

Parts name is as follows among the figure: 1, pawl base spline housing 2, bearing 3, pawl base 4, permanent magnet 5, centrifugal 6, ratchet 7, ratchet 8, bearing 9, lock flange 10, lock gear 11, ratchet shaft 12, shift fork 13, draw the back of the body 14, mileage meter sensing driving wheel 15, mileage meter sensing follower 16, ratchet shaft spline 17, housing front end oil sealing 18, bearing 19, housing 20, bearing 21, housing rear side housing 22, spacer 23, rear side housing oil sealing 24, turning cylinder telescopic 25, locking indicator light switch 26, stear drawing line 27, gusset piece 28, former crane link 29, former change speed gear box rear side housing 30, improved rear side housing 31, bearing 32, rear side housing oil sealing 33, two 34 of former change speed gear boxs, connected nut 35, connected nut 36, former suspension bracket hole 37, centrifugal block axis 38, the locking indicator lamp

Now further specify in conjunction with specific embodiments:

First embodiment is that example is contained in the exterior scheme in former car change speed gear box rear end with automobile glider with the Chang'an minicar.

The unidirectional automatic-separation mechanism of automobile glider is referring to accompanying

drawing

1,3.

Glider pawl base 3 is equipped with ratchet 6, produce centnifugal force ratchet 6 during because of pawl base 3 runnings, outwards open and ratchet 7 can't in conjunction with, so establish centrifugal 5, its weight is greater than the weight of ratchet 6, centrifugal block axis 37 is fixed on the pawl base 3, when pawl base 3 runnings, centnifugal force is outwards opened its anterior pressure with centrifugal 5 afterbody ratchet 6 is inwardly pressed and ratchet 7 combinations, centnifugal force is little when vehicle start and low-speed running, it attracts direction over against centrifugal 5 rear end so establish permanent magnet on pawl base, guarantees ratchet 6 and ratchet 7 combinations.Ratchet 6 reverse ratchet 7 runnings when the driving engine transferring power, ratchet 6 blocks the ratchet shaft 11 that ratchet passes through and ratchet 7 is fixed, and power is passed to transmission system drive the wheel running.Chaufeur lifts Das Gaspedal when sliding, and driving engine is reduced to tickover, and ratchet 7 rotating speed under the effect of inertia of car is higher than ratchet 6, and ratchet changes along ratchet 6, plays automatic centrifugation.Driving engine is not playing drag effect to wheel, has improved coasting distance, plays the effect of saving fuel and reduction engine wear.The vehicle of automobile glider has been installed, and gear shift can be without power-transfer clutch under steam, because Das Gaspedal is lifted driving engine certainly at tickover during gear shift, and transmission system its rotating speed under the effect of inertia of car is higher than the rotating speed of two 33 of change speed gear boxs certainly, and ratchet is inevitable in released state.Forming two kinds of rotating speeds is a kind of rotating speed of driving engine and change speed gear box, a kind of rotating speed of transmission system and wheel, interior each the gear rotational speed basically identical of change speed gear box this moment, when having synchro, can not change any gear smoothly without power-transfer clutch yet, simplify gearshift procedure so again, also reduced the wearing and tearing of separation device.

Blocking device is seen accompanying

drawing

1,2, and when vehicle need utilize the driving engine restriction speed of a motor vehicle in Xia Dapo or road cunning, this automobile glider was provided with blocking device, and its structure is on pawl base 3, fixes lock flange 9 with nut.On ratchet shaft 11, be slidingly connected lock gear 10 with spline, can move axially.During use, handle with backguy and to draw the back of the body 13, shift fork 12, the external tooth of lock gear 10 is inserted in the internal tooth of lock flange 9, pawl base 3 and ratchet shaft 11 are not integral and are playing a centrifugation.Simultaneously, draw the back of the body 13 to contact with indicator light switch 25, indicator lamp 38 is bright, informs that locked vehicle returns to original performance.

Accompanying drawing 4,5,6 is seen in lubricated installation.

Service life automobile glider is contained in the leak free housing 19 in order to improve, the rear and front end is supported with antifriction-bearing

box

18,20, with pawl base spline housing 1, ratchet shaft spline 16, draw the back of the body 13 to stretch out 17,23 sealings of shell external application oil sealing.Pawl base spline housing 1 outside the housing 19, be enclosed within on two 33 of the former car change speed gear boxs, gusset piece 27 1 ends and housing 19 usefulness nuts 35 are fixing, the other end and former car change speed gear box rear side housing 29, utilize former crane link hole 36, fixing with connected nut 34, with the telescopic 24 of the transmission shaft that shortens, be enclosed within on the ratchet shaft spline 16 again

The mileage meter driving device is referring to accompanying

drawing

1,5,6.

Vehicle is loaded onto the rotating speed that glider transmission system rotating speed when sliding is higher than two of change speed gear boxs, and former car kilometer table driving device is to be contained on two 33 of the change speed gear boxs, so mileage meter is inaccurate, need mileage meter sensing driving wheel 14 is contained on the ratchet shaft, mileage meter sensing follower 15 will be on automobile glider housing 19.

Second embodiment is for automobile glider being contained in the scheme in the former car change speed gear box, referring to accompanying drawing 7.

With the Chang'an minicar is example, and automobile glider can not be contained in the housing 19, and is contained in the change speed gear box rear side housing 30 that changes form and size, needs two shortenings of former change speed gear box, and pawl base spline housing 1 is enclosed within on after the shortening two 33; The ratchet shaft spline stretches out improved rear side housing 30 outsides, supports with bearing 31, again with oil sealing 32 sealings.Lubricate and can utilize former gear-box lubricating oil, telescopic transmission shaft cover 24 is enclosed within on the ratchet shaft spline 16 again, operation is identical with first embodiment with the performance principle.

Claims

1, automobile glider comprises ratchet and pawl arrangement, and blocking device and coupling components and the housing of keeping the glider normal operation is characterized in that:

Ratchet 6, centrifugal 5 and permanent magnet 4 are housed on the plane of pawl base 3, and ratchet 7 is fixed on the front end of ratchet shaft 11, and the front bearing 2 of ratchet 7 and ratchet 3 support, and the rear portion is supported by bearing 8 and lock flange 9.

2, automobile glider according to claim 1, it is characterized in that being provided with blocking device, by be fixed on the pawl base 3 lock flange 9 and with the lock gear 10 of spline structure magnetic on sour jujube axle 11, draw the back of the body 13, shift fork 12 and indicator cock 25, guarantee locking effect.

3, automobile glider according to claim 1 is characterized in that an end of connecting panel 27 and housing 19 are fixing, and the other end and former crane link hole 36 are fixing.

4, automobile glider according to claim 1 is characterized in that being installed in the former car change speed gear box rear side housing 30 after the change, and pawl base spline housing 1 is enclosed within on two 33 of the former change speed gear boxs, and ratchet shaft 11 is supported by bearing 31 and the afterbody of transforming rear side housing 30.