CN203844854U - School bus - Google Patents
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- CN203844854U CN203844854U CN201420133209.0U CN201420133209U CN203844854U CN 203844854 U CN203844854 U CN 203844854U CN 201420133209 U CN201420133209 U CN 201420133209U CN 203844854 U CN203844854 U CN 203844854U
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Abstract
The utility model provides a school bus which pertains to the technical field of vehicles and helps to resolve the technical problem that a current school bus fails to buffer impact of students in a carriage in the case of speed change. The school bus comprises an outer carriage and an inner carriage. A gap is kept between the outer carriage and the inner carriage. The outer carriage is provided with a bottom plate slidably connected with the bottom of the inner carriage via a support structure. A first buffer structure is arranged between the inner carriage and the outer carriage and capable of buffering impact of the inner carriage when the inner carriage moves relative to the outer carriage. Multiple guide columns enable an energy-absorbing box and the outer carriage to be connected. The energy-absorbing box is capable of moving relative to the outer carriage along with the guide columns. A gap is kept between the energy-absorbing box and the outer carriage. A third buffer structure is arranged between the energy-absorbing box and the outer carriage. The school bus is advantaged by being capable of buffering impact and high in safety.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of school bus.
Background technology
School bus is for transporting student, to come and go the vehicle of school.State Council of the People's Republic of China safety in production cuncil office emphasizes in < < traffic safety " 12 " planning > >, establish and improve safety of school bus management legal and regulatory systems and safety management system, define school bus rights-of-way, strengthen school bus supervision, ensure safety of school bus; And stipulate that school bus must installation satellite positioning and speed-limit device.Visible, safety of school bus is the important topic that the whole society pays close attention to.
In prior art, the endergonic structure of automobile is generally realized by suspension system, also some automobile is provided with energy-absorbing buffering structure at headstock part, and when automobile occurs to clash into, several rivets at headstock place are cut off, thereby absorbs the energy while clashing into, for vehicle body, so far also there is no other actv. endergonic structures, the inertia kinetic energy of vehicle body while clashing in order to double absorption, yet, along with the generation of a lot of safety of school bus accidents in 2013, it is especially urgent that the solution of safety of school bus problem seems.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of school bus is provided, and technical problem to be solved in the utility model is how when school bus speed changes, to relax the impact that compartment is subject to.
The purpose of this utility model can realize by following technical proposal:
A kind of school bus, it is characterized in that, comprise an outer compartment and an interior compartment, between described outer compartment and interior compartment, there is gap, described outer compartment has a base plate, the bottom of described interior compartment is by a supporting construction and described base plate sliding block joint, between described interior compartment and outer compartment, be also provided with and can externally relax mutually at interior compartment the first buffer structure of the impulsive force that interior compartment is subject to during carriage movements, the front end in described outer compartment is provided with an energy-absorption box, in described energy-absorption box, be provided with the second buffer structure, between described energy-absorption box and outer compartment, by some guide pillars, be connected, described energy-absorption box can with described guide pillar external carriage movements mutually, between described energy-absorption box and outer compartment, there is gap, between described energy-absorption box and outer compartment, be provided with the 3rd buffer structure.
Principle of work of the present utility model is: this school bus adopts the structure in interior compartment and outer compartment, interior compartment can be mutually externally compartment along automobile, advance or the direction that retreats is moved, when the speed of a motor vehicle of school bus changes, kinetic energy when the first buffer structure relaxes relative motion between interior compartment and outer compartment, when automobile occurs to clash into, first the second buffer structure in energy-absorption box has an effect, energy when absorption portion is clashed into, be arranged on further absorbing impact energy of the 3rd buffer structure between outer compartment and energy-absorption box, injury to student in interior compartment in the time of can reducing to greatest extent school bus generation shock, improve the safety of school bus.
In above-mentioned a kind of school bus, described supporting construction comprises the some pillar stiffeners that are fixedly installed on base plate, the upper end of described pillar stiffener is fixedly installed slide plate, the bottom of described interior compartment offers and pillar stiffener chute one to one, described chute distributes along automobile fore-and-aft direction, described slide plate is plugged in described chute, the both ends of the surface up and down of described slide plate all start fluted one, on described chute, offer the groove two corresponding with described groove one, between described groove one and groove two, be provided with ball.On the base plate in outer compartment, be fixedly installed pillar stiffener, the upper end of pillar stiffener is fixedly installed slide plate, groove one, groove two and ball are set between slide plate and interior compartment, two pairs of balls of groove one and groove carry out spacing, guarantee slide plate interior compartment motion relatively simultaneously, thereby make interior compartment can be mutually when the vehicle body of school bus changes externally compartment move, relax and impact.
In above-mentioned a kind of school bus, described the first buffer structure comprises several hydraulic actuating cylinders one, the piston rod of described hydraulic actuating cylinder one is fixedly connected with the front side of interior compartment, the cylinder body of described hydraulic actuating cylinder is fixedly connected with described outer compartment, described hydraulic actuating cylinder has liquid storage cylinder one, described the first buffer structure also comprises and hydraulic actuating cylinder one hydraulic actuating cylinder two one to one, the piston rod of described hydraulic actuating cylinder two is plugged on described outer compartment, on described outer compartment, be fixedly installed a stay bearing plate, the cylinder body of described hydraulic actuating cylinder two is fixedly installed on described stay bearing plate, between the outer end of the piston rod of described hydraulic actuating cylinder two and energy-absorption box, there is gap, described hydraulic actuating cylinder two has liquid storage cylinder two, between described liquid storage cylinder one and liquid storage cylinder two, by hydraulic pipe, communicate, on described outer compartment, be fixedly installed a liquid reserve tank, on described hydraulic actuating cylinder two, be provided with overflow weir one, described overflow weir one place is connected with the hydraulic pipe that liquid storage cylinder two is communicated with liquid reserve tank, between described interior compartment and outer compartment, be provided with some retracing springs one, in described liquid storage cylinder two, be provided with retracing spring two.When the speed of a motor vehicle of school bus changes, interior compartment mutually external compartment moves along automobile fore-and-aft direction, hydraulic oil in liquid storage cylinder one flows in liquid storage cylinder two by hydraulic pipe, under the effect of the interior recoil spring two of liquid storage cylinder two, hydraulic oil pressurized enters into liquid reserve tank from overflow weir one, by the overflow effect of overflow weir one, apparatus with shock absorbing, relax and impact, when automobile occurs to clash into largely, energy-absorption box pressurized is as for mutually low the leaning on of piston rod of hydraulic actuating cylinder two, promote the piston rod of hydraulic actuating cylinder two, make liquid storage cylinder two pressurizeds, hydraulic oil in liquid storage cylinder two enters in liquid storage cylinder one, now, overflow weir one can not be alleviated the pressure in liquid storage cylinder two by fast speed, cause liquid storage cylinder one internal pressure suddenly to raise, promote the piston rod of hydraulic actuating cylinder one to the direction motion away from interior compartment, it is the interior compartment segment distance that moves to the place ahead of automobile, can greatly relax impact, while avoiding school bus to be impacted, student in interior compartment is subject to force of inertia effect and meets accident.
In above-mentioned a kind of school bus, described energy-absorption box is hollow structure, described the second buffer structure comprises some the reeds that are fixed in energy-absorption box, and the two ends of described reed are fixedly connected with the inwall of energy-absorption box, and the dead ahead in the outside compartment, middle part of described reed projection.Energy-absorption box is the first energy-absorbing buffering structure of school bus while being subject to clashing into, and deformation occurs when energy-absorption box is impacted, and causes the front side extruding reed of energy-absorption box, makes reed pressurized, and the middle part of reed, can absorption portion Impact energy to the place ahead projection of automobile.
In above-mentioned a kind of school bus, described the 3rd buffer structure comprises several hydraulic actuating cylinders three, the cylinder body of described hydraulic actuating cylinder three is fixed on described stay bearing plate, the piston rod of described hydraulic actuating cylinder three is plugged on described outer compartment and the outer end of piston rod is fixedly connected with energy-absorption box, between the cylinder body of described hydraulic actuating cylinder three and stay bearing plate, be provided with retracing spring three, described hydraulic actuating cylinder three has liquid storage cylinder three, on the cylinder body of described hydraulic actuating cylinder three, offer overflow weir two, described overflow weir two places are connected with the hydraulic pipe that liquid storage cylinder three is communicated with liquid reserve tank.When automobile occurs to clash into, energy-absorption box moves to the direction near outer compartment at the directional tagging of guide pillar, promotes the piston rod of hydraulic actuating cylinder three, pressure in liquid storage cylinder three is raise suddenly, hydraulic oil, from overflow weir two overflows to liquid reserve tank, by overflow effect, absorbs the energy while clashing into.
In above-mentioned a kind of school bus, described liquid reserve tank comprises an airtight casing, the upper end of described casing offers some air extractor vents one, the upper end of described casing is also arranged with case lid, described case lid has a flange, on described flange, offer air extractor vent two, between the axis of described air extractor vent two and the upper surface of case lid, be 60 ° of angles.In order to eliminate the hydraulic oil volume-variation that the causes impact on liquid reserve tank internal pressure of expanding with heat and contract with cold, in the upper end of airtight casing, offer some air extractor vents one, on this casing, be also arranged with a case lid, case lid has flange, offers some air extractor vents two on flange, is 60 ° of angles between the axis of this air extractor vent two and the upper surface of case lid,, air extractor vent two, towards the below in the outside of casing, can avoid dust and other impurities to enter in liquid reserve tank, keeps the clean of hydraulic oil.
In above-mentioned a kind of school bus, on described interior compartment, offer car door one, on described outer compartment, offer the car door corresponding with car door one two, on described interior compartment, on the doorframe corresponding with car door one and outer compartment with between doorframe corresponding to car door two, by sheet rubber, be connected.Student gets on or off the bus and adopts special car door one and car door two, between this car door one and car door two, by soft sheet rubber, be connected, eliminate the gap between the doorframe that the doorframe of car door one correspondence is corresponding with car door two, the vehicle window on interior compartment and outer compartment also can adopt same way elimination gap between the two.
In above-mentioned a kind of school bus, between described interior compartment and outer compartment, there is driving compartment, on described outer compartment, be provided with the car door three being communicated with between the external world and driving compartment.Interior compartment in eliminating operational process mutually externally compartment have the motion of certain amplitude, in order not affect the operation of chaufeur, driving compartment is arranged between interior compartment and outer compartment.
Compared with prior art, the utlity model has following advantage:
1, this school bus adopts the structure in interior compartment and outer compartment, interior compartment can be mutually externally compartment along automobile, advance or the direction that retreats is moved, when the vehicle body of school bus changes, kinetic energy when the first buffer structure relaxes relative motion between interior compartment and outer compartment, when automobile occurs to clash into, first the second buffer structure in energy-absorption box has an effect, energy when absorption portion is clashed into, be arranged on further absorbing impact energy of the 3rd buffer structure between outer compartment and energy-absorption box, injury to student in interior compartment in the time of can reducing to greatest extent school bus generation shock, improve the safety of school bus.
2, on the base plate in outer compartment, be fixedly installed pillar stiffener, the upper end of pillar stiffener is fixedly installed slide plate, groove one, groove two and ball are set between slide plate and interior compartment, two pairs of balls of groove one and groove carry out spacing, guarantee slide plate interior compartment motion relatively simultaneously, thereby make interior compartment can be mutually when the vehicle body of school bus changes externally compartment move, relax and impact.
3, when the speed of a motor vehicle of school bus changes, interior compartment mutually external compartment moves along automobile fore-and-aft direction, hydraulic oil in liquid storage cylinder one flows in liquid storage cylinder two by hydraulic pipe, under the effect of the interior recoil spring two of liquid storage cylinder two, hydraulic oil pressurized enters into liquid reserve tank from overflow weir one, by the overflow effect of overflow weir one, apparatus with shock absorbing, relax and impact, when automobile occurs to clash into largely, energy-absorption box pressurized is as for mutually low the leaning on of piston rod of hydraulic actuating cylinder two, promote the piston rod of hydraulic actuating cylinder two, make liquid storage cylinder two pressurizeds, hydraulic oil in liquid storage cylinder two enters in liquid storage cylinder one, now, overflow weir one can not be alleviated the pressure in liquid storage cylinder two by fast speed, cause liquid storage cylinder one internal pressure suddenly to raise, promote the piston rod of hydraulic actuating cylinder one to the direction motion away from interior compartment, it is the interior compartment segment distance that moves to the place ahead of automobile, can greatly relax impact, while avoiding school bus to be impacted, student in interior compartment is subject to force of inertia effect and meets accident.
4, energy-absorption box is the first energy-absorbing buffering structure of school bus while being subject to clashing into, and deformation occurs when energy-absorption box is impacted, and causes the front side extruding reed of energy-absorption box, makes reed pressurized, and the middle part of reed, can absorption portion Impact energy to the place ahead projection of automobile.
When 5, automobile occurs to clash into, energy-absorption box moves to the direction near outer compartment at the directional tagging of guide pillar, promotes the piston rod of hydraulic actuating cylinder three, pressure in liquid storage cylinder three is raise suddenly, hydraulic oil, from overflow weir two overflows to liquid reserve tank, by overflow effect, absorbs the energy while clashing into.
Accompanying drawing explanation
Fig. 1 is the perspective view of this school bus.
Fig. 2 is the perspective view under another visual angle of this school bus.
Fig. 3 is the cutaway view of this school bus.
Fig. 4 is the enlarged drawing of local A in Fig. 3.
Fig. 5 is the principle schematic of hydraulic efficiency pressure system in this school bus.
Fig. 6 is the enlarged drawing of local B in Fig. 5.
Fig. 7 is the enlarged drawing of Local C in Fig. 5.
Fig. 8 is the cutaway view of supporting construction in this school bus.
In figure, 11, outer compartment; 12, interior compartment; 13, base plate; 14, guide pillar; 2, energy-absorption box; 31, pillar stiffener; 32, slide plate; 33, chute; 34, groove one; 35, groove two; 36, ball; 41, hydraulic actuating cylinder one; 42, liquid storage cylinder one; 43, hydraulic actuating cylinder two; 44, stay bearing plate; 45, liquid storage cylinder two; 46, liquid reserve tank; 51, casing; 52, air extractor vent one; 53, case lid; 54, flange; 55, air extractor vent two; 56, overflow weir one; 57, retracing spring one; 58, retracing spring two; 6, reed; 71, hydraulic actuating cylinder three; 72, retracing spring three; 73, liquid storage cylinder three; 74, overflow weir two; 81, car door two; 82, car door three.
The specific 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 embodiment.
As shown in figures 1 and 3, school bus comprises an outer compartment 11 and an interior compartment 12, between outer compartment 11 and interior compartment 12, there is gap, outer compartment 11 has a base plate 13, the bottom of interior compartment 12 is by a supporting construction and base plate 13 sliding block joints, between interior compartment 12 and outer compartment 11, be also provided with and can externally relax mutually at interior compartment 12 the first buffer structure of the impulsive force that interior compartment 12 is subject to during compartment 11 motion, the front end in outer compartment 11 is provided with an energy-absorption box 2, in energy-absorption box 2, be provided with the second buffer structure, between energy-absorption box 2 and outer compartment 11, by some guide pillars 14, be connected, energy-absorption box 2 can move in external compartment 11 mutually with guide pillar 14, between energy-absorption box 2 and outer compartment 11, there is gap, between energy-absorption box 2 and outer compartment 11, be provided with the 3rd buffer structure.
This school bus adopts the structure in interior compartment 12 and outer compartment 11, interior compartment 12 can be mutually externally compartment 11 along automobile, advance or the direction that retreats is moved, when the speed of a motor vehicle of school bus changes, kinetic energy when the first buffer structure relaxes relative motion between interior compartment 12 and outer compartment 11, when automobile occurs to clash into, first the second buffer structure in energy-absorption box 2 has an effect, energy when absorption portion is clashed into, be arranged on further absorbing impact energy of the 3rd buffer structure between outer compartment 11 and energy-absorption box 2, injury to interior compartment 12 interior students in the time of can reducing to greatest extent school bus generation shock, improve the safety of school bus.
As shown in Fig. 3 and Fig. 8, supporting construction comprises the some pillar stiffeners 31 that are fixedly installed on base plate 13, the upper end of pillar stiffener 31 is fixedly installed slide plate 32, the bottom of interior compartment 12 offers and pillar stiffener 31 chute 33 one to one, chute 33 distributes along automobile fore-and-aft direction, slide plate 32 is plugged in chute 33, the both ends of the surface up and down of slide plate 32 all start fluted 1, on chute 33, offer the groove corresponding with groove 12 35, between groove 1 and groove 2 35, be provided with ball 36, on the base plate 13 in outer compartment 11, be fixedly installed pillar stiffener 31, the upper end of pillar stiffener 31 is fixedly installed slide plate 32, between slide plate 32 and interior compartment 12, groove 1 is set, groove 2 35 and ball 36, 2 35 pairs of balls of groove 1 and groove 36 carry out spacing, guarantee slide plate 32 interior compartment 12 motions relatively simultaneously, thereby make interior compartment 12 can be mutually when the vehicle body of school bus changes externally compartment 11 move, relax and impact.
As Fig. 3, shown in Fig. 4 and Fig. 5, the first buffer structure comprises several hydraulic actuating cylinders 1, the piston rod of hydraulic actuating cylinder 1 is fixedly connected with the front side of interior compartment 12, the cylinder body of hydraulic actuating cylinder is fixedly connected with outer compartment 11, hydraulic actuating cylinder has liquid storage cylinder 1, the first buffer structure also comprises and hydraulic actuating cylinder 1 hydraulic actuating cylinder 2 43 one to one, the piston rod of hydraulic actuating cylinder 2 43 is plugged on outer compartment 11, on outer compartment 11, be fixedly installed a stay bearing plate 44, the cylinder body of hydraulic actuating cylinder 2 43 is fixedly installed on stay bearing plate 44, between the outer end of the piston rod of hydraulic actuating cylinder 2 43 and energy-absorption box 2, there is gap, hydraulic actuating cylinder 2 43 has liquid storage cylinder 2 45, between liquid storage cylinder 1 and liquid storage cylinder 2 45, by hydraulic pipe, communicate, on outer compartment 11, be fixedly installed a liquid reserve tank 46, on hydraulic actuating cylinder 2 43, be provided with overflow weir 1, overflow weir one 56 places are connected with the hydraulic pipe that liquid storage cylinder 2 45 is communicated with liquid reserve tank 46, between interior compartment 12 and outer compartment 11, be provided with some retracing springs 1, in liquid storage cylinder 2 45, be provided with retracing spring 2 58, when the speed of a motor vehicle of school bus changes, interior compartment 12 mutually external compartment 11 moves along automobile fore-and-aft direction, hydraulic oil in liquid storage cylinder 1 flows in liquid storage cylinder 2 45 by hydraulic pipe, under the effect of the interior recoil spring two of liquid storage cylinder 2 45, hydraulic oil pressurized enters into liquid reserve tank 46 from overflow weir 1, by the overflow effect of overflow weir 1, apparatus with shock absorbing, relax and impact, when automobile occurs to clash into largely, energy-absorption box 2 pressurizeds are as for mutually low the leaning on of piston rod of hydraulic actuating cylinder 2 43, promote the piston rod of hydraulic actuating cylinder 2 43, make liquid storage cylinder 2 45 pressurizeds, hydraulic oil in liquid storage cylinder 2 45 enters in liquid storage cylinder 1, now, overflow weir 1 can not be alleviated the pressure in liquid storage cylinder 2 45 by fast speed, cause liquid storage cylinder one 42 internal pressures suddenly to raise, promote the piston rod of hydraulic actuating cylinder 1 to the direction motion away from interior compartment 12, it is interior compartment 12 segment distance that moves to the place ahead of automobile, can greatly relax impact, while avoiding school bus to be impacted, student in interior compartment 12 is subject to force of inertia effect and meets accident.
As shown in Figure 3 and Figure 4, energy-absorption box 2 is hollow structure, the second buffer structure comprises some the reeds 6 that are fixed in energy-absorption box 2, the two ends of reed 6 are fixedly connected with the inwall of energy-absorption box 2, and the dead ahead in outside compartment 11, the middle part of reed 6 projection, energy-absorption box 2 is school bus first energy-absorbing buffering structures while being subject to clashing into, while being impacted, there is deformation in energy-absorption box 2, cause the front side extruding reed 6 of energy-absorption box 2, make reed 6 pressurizeds, the middle part of reed 6, can absorption portion Impact energy to the place ahead projection of automobile.
As Fig. 3, shown in Fig. 5 and Fig. 6, the 3rd buffer structure comprises several hydraulic actuating cylinders 3 71, the cylinder body of hydraulic actuating cylinder 3 71 is fixed on stay bearing plate 44, the piston rod of hydraulic actuating cylinder 3 71 is plugged on outer compartment 11 and the outer end of piston rod is fixedly connected with energy-absorption box 2, between the cylinder body of hydraulic actuating cylinder 3 71 and stay bearing plate 44, be provided with retracing spring 3 72, hydraulic actuating cylinder 3 71 has liquid storage cylinder 3 73, on the cylinder body of hydraulic actuating cylinder 3 71, offer overflow weir 2 74, overflow weir 2 74 places are connected with the hydraulic pipe that liquid storage cylinder 3 73 is communicated with liquid reserve tank 46, when automobile occurs to clash into, energy-absorption box 2 moves to the direction near outer compartment 11 at the directional tagging of guide pillar 14, promote the piston rod of hydraulic actuating cylinder 3 71, pressure in liquid storage cylinder 3 73 is raise suddenly, hydraulic oil is from overflow weir 2 74 overflows to liquid reserve tank 46, by overflow effect, absorb the energy while clashing into.
As shown in Fig. 5 and Fig. 7, liquid reserve tank 46 comprises an airtight casing 51, the upper end of casing 51 offers some air extractor vents 1, the upper end of casing 51 is also arranged with case lid 53, case lid 53 has a flange 54, on flange 54, offer air extractor vent 2 55, between the upper surface of the axis of air extractor vent 2 55 and case lid 53, be 60 ° of angles, in order to eliminate the hydraulic oil volume-variation that the causes impact on liquid reserve tank 46 internal pressures of expanding with heat and contract with cold, in the upper end of airtight casing 51, offer some air extractor vents 1, on this casing 51, be also arranged with a case lid 53, case lid 53 has flange 54, on flange 54, offer some air extractor vents 2 55, between the upper surface of the axis of this air extractor vent 2 55 and case lid 53, be 60 ° of angles, , air extractor vent 2 55 is towards the below in the outside of casing 51, can avoid dust and other impurities to enter in liquid reserve tank 46, keep the clean of hydraulic oil.
As Fig. 1, shown in Fig. 2 and Fig. 3, on interior compartment 12, offer car door one, on outer compartment 11, offer the car door corresponding with car door one 2 81, on interior compartment 12, on the doorframe corresponding with car door one and outer compartment 11 with between doorframe corresponding to car door 2 81, by sheet rubber, be connected, student gets on or off the bus and adopts special car door one and car door 2 81, between this car door one and car door 2 81, by soft sheet rubber, be connected, eliminate the gap between the doorframe that the doorframe of car door one correspondence is corresponding with car door 2 81, vehicle window on interior compartment 12 and outer compartment 11 also can adopt same way to eliminate gap between the two, between interior compartment 12 and outer compartment 11, there is driving compartment, on outer compartment 11, be provided with the car door 3 82 being communicated with between the external world and driving compartment, interior compartment 12 in eliminating operational process mutually externally compartment 11 have the motion of certain amplitude, in order not affect the operation of chaufeur, driving compartment is arranged between interior compartment 12 and outer compartment 11.
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 (8)
1. a school bus, it is characterized in that, comprise an outer compartment (11) and an interior compartment (12), between described outer compartment (11) and interior compartment (12), there is gap, described outer compartment (11) has a base plate (13), the bottom of described interior compartment (12) is by a supporting construction and described base plate (13) sliding block joint, between described interior compartment (12) and outer compartment (11), be also provided with and can externally relax mutually at interior compartment (12) the first buffer structure of the impulsive force that interior compartment (12) is subject to during compartment (11) motion, the front end in described outer compartment (11) is provided with an energy-absorption box (2), described energy-absorption box is provided with the second buffer structure in (2), between described energy-absorption box (2) and outer compartment (11), by some guide pillars (14), be connected, described energy-absorption box (2) can move in external compartment (11) mutually with described guide pillar (14), between described energy-absorption box (2) and outer compartment (11), there is gap, between described energy-absorption box (2) and outer compartment (11), be provided with the 3rd buffer structure.
2. school bus according to claim 1, it is characterized in that, described supporting construction comprises the some pillar stiffeners (31) that are fixedly installed on base plate (13), the upper end of described pillar stiffener (31) is fixedly installed slide plate (32), the bottom of described interior compartment (12) offers and pillar stiffener (31) chute (33) one to one, described chute (33) distributes along automobile fore-and-aft direction, described slide plate (32) is plugged in described chute (33), the both ends of the surface up and down of described slide plate (32) all start fluted one (34), on described chute (33), offer the groove two (35) corresponding with described groove one (34), between described groove one (34) and groove two (35), be provided with ball (36).
3. school bus according to claim 2, it is characterized in that, described the first buffer structure comprises several hydraulic actuating cylinders one (41), the piston rod of described hydraulic actuating cylinder one (41) is fixedly connected with the front side of interior compartment (12), the cylinder body of described hydraulic actuating cylinder is fixedly connected with described outer compartment (11), described hydraulic actuating cylinder has liquid storage cylinder one (42), described the first buffer structure also comprises and hydraulic actuating cylinder one (41) hydraulic actuating cylinder two (43) one to one, the piston rod of described hydraulic actuating cylinder two (43) is plugged on described outer compartment (11), on described outer compartment (11), be fixedly installed a stay bearing plate (44), the cylinder body of described hydraulic actuating cylinder two (43) is fixedly installed on described stay bearing plate (44), between the outer end of the piston rod of described hydraulic actuating cylinder two (43) and energy-absorption box (2), there is gap, described hydraulic actuating cylinder two (43) has liquid storage cylinder two (45), between described liquid storage cylinder one (42) and liquid storage cylinder two (45), by hydraulic pipe, communicate, on described outer compartment (11), be fixedly installed a liquid reserve tank (46), on described hydraulic actuating cylinder two (43), be provided with overflow weir one (56), described overflow weir one (56) locates to be connected with the hydraulic pipe that liquid storage cylinder two (45) is communicated with liquid reserve tank (46), between described interior compartment (12) and outer compartment (11), be provided with some retracing springs one (57), in described liquid storage cylinder two (45), be provided with retracing spring two (58).
4. school bus according to claim 3, it is characterized in that, described energy-absorption box (2) is hollow structure, described the second buffer structure comprises some the reeds (6) that are fixed in energy-absorption box (2), the two ends of described reed (6) are fixedly connected with the inwall of energy-absorption box (2), and the dead ahead in the outside compartment, middle part (11) of described reed (6) projection.
5. school bus according to claim 4, it is characterized in that, described the 3rd buffer structure comprises several hydraulic actuating cylinders three (71), the cylinder body of described hydraulic actuating cylinder three (71) is fixed on described stay bearing plate (44), the piston rod of described hydraulic actuating cylinder three (71) is plugged in outer end upper and piston rod, described outer compartment (11) and is fixedly connected with energy-absorption box (2), between the cylinder body of described hydraulic actuating cylinder three (71) and stay bearing plate (44), be provided with retracing spring three (72), described hydraulic actuating cylinder three (71) has liquid storage cylinder three (73), on the cylinder body of described hydraulic actuating cylinder three (71), offer overflow weir two (74), described overflow weir two (74) locates to be connected with the hydraulic pipe that liquid storage cylinder three (73) is communicated with liquid reserve tank (46).
6. school bus according to claim 5, it is characterized in that, described liquid reserve tank (46) comprises an airtight casing (51), the upper end of described casing (51) offers some air extractor vents one (52), the upper end of described casing (51) is also arranged with case lid (53), described case lid (53) has a flange (54), offers air extractor vent two (55) on described flange (54), between the axis of described air extractor vent two (55) and the upper surface of case lid (53), is 60 ° of angles.
7. school bus according to claim 6, it is characterized in that, described interior compartment offers car door one on (12), on described outer compartment (11), offer the car door corresponding with car door one two (81), the upper doorframe corresponding with car door one of described interior compartment (12) and outer compartment (11) above with between doorframe corresponding to car door two (81) are connected by sheet rubber.
8. school bus according to claim 7, is characterized in that, between described interior compartment (12) and outer compartment (11), has driving compartment, is provided with the car door three (82) being communicated with between the external world and driving compartment on described outer compartment (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133209.0U CN203844854U (en) | 2014-03-24 | 2014-03-24 | School bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133209.0U CN203844854U (en) | 2014-03-24 | 2014-03-24 | School bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844854U true CN203844854U (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420133209.0U Expired - Fee Related CN203844854U (en) | 2014-03-24 | 2014-03-24 | School bus |
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| Country | Link |
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| CN (1) | CN203844854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847665A (en) * | 2014-03-24 | 2014-06-11 | 孙建林 | School bus |
-
2014
- 2014-03-24 CN CN201420133209.0U patent/CN203844854U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847665A (en) * | 2014-03-24 | 2014-06-11 | 孙建林 | School bus |
| CN105000073A (en) * | 2014-03-24 | 2015-10-28 | 孙建林 | Improved school bus |
| CN103847665B (en) * | 2014-03-24 | 2016-10-05 | 江苏林海动力机械集团有限公司 | A kind of school bus |
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