CN203847633U - Transmission structure for car - Google Patents

Abstract

The utility model provides a transmission structure for a car, belongs to the technical field of cars, and solves the technical problems that the torque of the rear wheels cannot be transmitted to the connecting shaft conveniently and the like. The car comprises a frame. The car comprises a frame. Two front wheels and two rear wheels are connected at the lower end of the frame. A plurality rows of seats are disposed at the upper end of the frame. A connecting shaft is connected between the two rear wheels. The rear wheels are connected with the connecting shaft through bearings. Spokes are evenly connected between a hub inner ring and a hub outer ring. A tire sleeves the outer surface of the hub outer ring. The transmission structure comprises a plurality of planet gears. The hub inner ring is provided with a basin cavity. An inner toothed ring is disposed on the inner lateral wall of the basin cavity. Each planet gear is connected with the hub inner ring through a short shaft and located in the basin cavity. The planet gears are meshed with a main gear and the inner toothed ring at the same time. The transmission structure has the advantages that the torque of the rear wheels can be transmitted to the connecting shaft conveniently and the like.

Description

Drive mechanism on a kind of automobile

Technical field

The utility model belongs to automobile technical field, relates to the drive mechanism on a kind of automobile.

Background technique

Automobile is the HT traffic tool TH that people go on a journey and ride instead of walk, and traffic safety is the key subjects of social common concern, and in recent years, traffic accident is high, to society, causes very passive impact.

One of them main major reason that automobile has an accident is when there is urgency; stopping distance is far away, human body while being subject to braking inertial force effect clash into; cause casualties; the injury that when although safety strip, airbag etc. to a certain extent can reduction accident occur as the device of protection human body, human body is subject to; but, appoint and so can not reach good effect.

Summary of the invention

The purpose of this utility model is the problems referred to above that exist for existing technology, and the drive mechanism on a kind of automobile is provided, and how technical problem to be solved in the utility model passes to coupling shaft by the moment of torsion of trailing wheel, and makes coupling shaft contrary with rear-axle steering.

The purpose of this utility model can realize by following technical proposal: the drive mechanism on a kind of automobile, it is characterized in that, this automobile comprises a vehicle frame, described vehicle frame lower end is connected with two front-wheels and two trailing wheels, described vehicle frame upper end is provided with some back seats, between two described trailing wheels, be connected with coupling shaft, between described trailing wheel and coupling shaft, by bearing, be connected, described trailing wheel comprises wheel hub inner ring and wheel hub outer ring, between described wheel hub inner ring and wheel hub outer ring, be evenly connected with spoke, the outer surface of described wheel hub outer ring is arranged with tire, described drive mechanism comprises several planet wheels, in described wheel hub inner ring, there is a pelvic cavity, on the madial wall of described pelvic cavity, have and ring gear, described in each, planet wheel is connected and is positioned at pelvic cavity with wheel hub inner ring by a minor axis, described planet wheel meshes with master gear and ring gear simultaneously.

Master gear rotarily drives planet wheel rotation, and planet wheel drives ring gear rotation, otherwise, during the passive rotation of trailing wheel, can drive the opposite spin of main teeth directional trailing wheel sense of rotation; Thereby when automobile brake, can drive coupling shaft to the direction rotation with trailing wheel direction of rotation.

In drive mechanism on above-mentioned a kind of automobile, on described coupling shaft, be provided with contiguous block, the upper end of described contiguous block is fixedly connected with vehicle frame, between described contiguous block and coupling shaft, by bearing, be connected, on described coupling shaft, be provided with and back seat gear one one to one, on described coupling shaft, be fixedly installed gear two, described gear one and gear two engagements, on described vehicle frame, offer the through hole that is positioned at back seat lower end, the lower end of described back seat is fixedly installed a tooth fan, described tooth fan and described gear two engagements.Coupling shaft is when the direction rotation to contrary with trailing wheel, driven gear one rotation, gear one driven gear two rotations, gear two drives tooth fan to the direction rotation identical with gear one, tooth fan rotarily drive and back seat that tooth fan is fixedly connected with to the rear upset of automobile, thereby avoid automobile after brake, to injure passenger during emergency braking.

In drive mechanism on above-mentioned a kind of automobile, be fixedly installed a rotating shaft on described vehicle frame, described rotating shaft is plugged on described tooth fan.Back seat is connected with vehicle frame by rotating shaft.

In drive mechanism on above-mentioned a kind of automobile, described back seat has two.

Compared with prior art, the utlity model has following advantage:

1, master gear rotarily drives planet wheel rotation, and planet wheel drives ring gear rotation, otherwise, during the passive rotation of trailing wheel, can drive the opposite spin of main teeth directional trailing wheel sense of rotation; Thereby when automobile brake, can drive coupling shaft to the direction rotation with trailing wheel direction of rotation.

2, in the trailing wheel of this automobile, be provided with more structure, increased the weight of trailing wheel, improved the stability of automobile.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of this automobile.

Fig. 2 is the structural representation of removing in Fig. 1 after vehicle frame.

Fig. 3 is the structural representation of the vehicle frame of this automobile.

Fig. 4 is the sectional view of trailing wheel in this automobile.

Fig. 5 is the structural representation of brake structure in this automobile.

Fig. 6 is the sectional view in A direction in Fig. 5.

In figure, 11, vehicle frame; 12, front-wheel; 13, trailing wheel; 14, back seat; 15, coupling shaft; 21, magnetic clutch; 22, brake sleeve; 23, master gear; 24, back-up ring one; 25, back-up ring two; 31, wheel hub inner ring; 32, wheel hub outer ring; 33, contiguous block; 34, gear one; 35, gear two; 36, tooth fan; 37, through hole; 4, rotating shaft; 51, planet wheel; 52, ring gear.

Embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.

As shown in Figure 1, this automobile comprises a vehicle frame 11, vehicle frame 11 lower ends are connected with two front-wheels 12 and two trailing wheels 13, vehicle frame 11 upper ends are provided with two back seats 14, between two trailing wheels 13, be connected with coupling shaft 15, between trailing wheel 13 and coupling shaft 15, by bearing, be connected, between trailing wheel 13 and coupling shaft 15, be provided with brake structure, between trailing wheel 13 and coupling shaft 15, being provided with when trailing wheel 13 braking drives coupling shaft 15 to the drive mechanism of the opposite spin of trailing wheel 13, between coupling shaft 15 and back seat 14, being provided with when coupling shaft 15 rotation drives back seat 14 to the occupant protection structure of automobile rear upset.

This automobile position front-wheel 12 drive-type automobiles, trailing wheel 13 is passive roulette wheel, and when automobile normal running, trailing wheel 13 rotates relative to coupling shaft 15, and coupling shaft 15 does not rotate; At automobile during in deceleration regime and Emergency braking state; driver starts the brake structure of this automobile; make to produce resistance between coupling shaft 15 and trailing wheel 13, meanwhile, pass through drive mechanism; make trailing wheel 13 drive coupling shaft 15 to the opposite spin of trailing wheel 13; be coupling shaft 15 to the rotation of car reversed, coupling shaft 15 is as power resources, by occupant protection structure; the back seat 14 of driving automobile overturns to the rear of automobile, thereby passenger is played a protective role.

As shown in Figure 5 and Figure 6, brake structure comprises the magnetic clutch 21 being set on coupling shaft 15, the inner ring of magnetic clutch 21 is fixedly connected with coupling shaft 15, on the outer ring of magnetic clutch 21, fixed cover is provided with a brake sleeve 22, on brake sleeve 22, be arranged with a master gear 23, master gear 23 has oval-shaped cavity, the outer surface ovalize of brake sleeve 22, the minor axis of the inner chamber of master gear 23 is shorter than the major axis of the outer surface of brake sleeve 22, when automobile need to be braked, driver's operation magnetic clutch 21, make inner ring and the outer ring combination of magnetic clutch 21, thereby brake sleeve 22 is rotated relative to master gear 23, the outer surface ovalize of brake sleeve 22, the inner chamber of master gear 23 is ovalize also, and the minor axis of the inner chamber of master gear 23 is less than the major axis of the outer surface of brake sleeve 22, brake sleeve 22 can hinder master gear 23 rotations, thereby trailing wheel 13 is braked, on the outer surface of brake sleeve 22, be provided with rubber braking layer, on the outer surface of brake sleeve 22, be provided with rubber braking layer, the minor axis of the inner chamber of master gear 23 is just slightly less than the major axis of the outer surface of brake sleeve 22, between the two can be by rubbing and pushing the relative rotation of rubber braking layer realization, by friction rubber braking layer, absorb braking energy, relax braking force.

As shown in Figure 6, one side of master gear 23 has a back-up ring 1, one side of brake sleeve 22 has back-up ring 2 25, back-up ring 1 and back-up ring 2 25 are in the same side, between back-up ring 1 and back-up ring 2 25, be connected with bearing, between master gear 23 and brake sleeve 22, by bearing, connect, guarantee the intensity of trailing wheel 13 integral body, do not affect again the relative movement between brake sleeve 22 and master gear 23.

As shown in Figure 4, trailing wheel 13 comprises wheel hub inner ring 31 and wheel hub outer ring 32, between wheel hub inner ring 31 and wheel hub outer ring 32, be evenly connected with spoke, the outer surface of wheel hub outer ring 32 is arranged with tire, drive mechanism comprises several planet wheels 51, in wheel hub inner ring 31, there is a pelvic cavity, on the madial wall of pelvic cavity, have and ring gear 52, each planet wheel 51 is connected and is positioned at pelvic cavity with wheel hub inner ring 31 by a minor axis, planet wheel 51 meshes with master gear 23 and ring gear 52 simultaneously, master gear 23 rotarily drives planet wheel 51 rotations, planet wheel 51 drives ring gear 52 rotations, otherwise, during the passive rotation of trailing wheel 13, can drive the opposite spin of main teeth directional trailing wheel 13 sense of rotation, thereby when automobile brake, can drive coupling shaft 15 to the direction rotation with trailing wheel 13 direction of rotation.

As shown in Figures 2 and 3, on coupling shaft 15, be provided with contiguous block 33, the upper end of contiguous block 33 is fixedly connected with vehicle frame 11, between contiguous block 33 and coupling shaft 15, by bearing, be connected, occupant protection structure be fixedly installed on coupling shaft 15 and with back seat 14 gear 1 one to one, on coupling shaft 15, be fixedly installed gear 2 35, gear 1 and gear 2 35 engagements, on vehicle frame 11, offer the through hole 37 that is positioned at back seat 14 lower ends, the lower end of back seat 14 is fixedly installed a tooth fan 36, tooth fan 36 and gear 2 35 engagements, coupling shaft 15 is when the direction rotation to contrary with trailing wheel 13, driven gear one 34 rotations, gear one 34 driven gear 2 35 rotations, gear 2 35 drives tooth fan 36 to the direction rotation identical with gear 1, rotarily driving and the rear upset of tooth fan 36 back seats that are fixedly connected with 14 to automobile of tooth fan 36, thereby avoid automobile after brake, to injure passenger during emergency braking, on vehicle frame 11, be fixedly installed a rotating shaft 4, rotating shaft 4 is plugged on tooth fan 36, back seat 14 is connected with vehicle frame 11 by rotating shaft 4.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (4)

1. the drive mechanism on an automobile, it is characterized in that, this automobile comprises a vehicle frame (11), described vehicle frame (11) lower end is connected with two front-wheels (12) and two trailing wheels (13), described vehicle frame (11) upper end is provided with some back seats (14), between two described trailing wheels (13), be connected with coupling shaft (15), between described trailing wheel (13) and coupling shaft (15), by bearing, be connected, described trailing wheel (13) comprises wheel hub inner ring (31) and wheel hub outer ring (32), between described wheel hub inner ring (31) and wheel hub outer ring (32), be evenly connected with spoke, the outer surface of described wheel hub outer ring (32) is arranged with tire, described drive mechanism comprises several planet wheels (51), in described wheel hub inner ring (31), there is a pelvic cavity, on the madial wall of described pelvic cavity, there is a ring gear (52), planet wheel described in each (51) is connected and is positioned at pelvic cavity with wheel hub inner ring (31) by a minor axis, described planet wheel (51) meshes with master gear (23) and ring gear (52) simultaneously.

2. the drive mechanism on automobile according to claim 1, it is characterized in that, on described coupling shaft (15), be provided with contiguous block (33), the upper end of described contiguous block (33) is fixedly connected with vehicle frame (11), between described contiguous block (33) and coupling shaft (15), by bearing, be connected, on described coupling shaft (15), be provided with and back seat (14) gear one (34) one to one, on described coupling shaft (15), be fixedly installed gear two (35), described gear one (34) and gear two (35) engagements, on described vehicle frame (11), offer the through hole (37) that is positioned at back seat (14) lower end, the lower end of described back seat (14) is fixedly installed a tooth fan (36), described tooth fan (36) and described gear two (35) engagements.

3. the drive mechanism on automobile according to claim 2, is characterized in that, is fixedly installed a rotating shaft (4) on described vehicle frame (11), and described rotating shaft (4) is plugged on described tooth fan (36).

4. the drive mechanism on automobile according to claim 3, is characterized in that, described back seat (14) has two.