CN112046627A

CN112046627A - Passenger train spare tyre elevating gear

Info

Publication number: CN112046627A
Application number: CN202010863193.9A
Authority: CN
Inventors: 黄叶明; 李雁斌; 何晨; 孙成兵
Original assignee: Anhui Ankai Automobile Co Ltd
Current assignee: Anhui Ankai Automobile Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2020-12-08
Anticipated expiration: 2040-08-25
Also published as: CN112046627B

Abstract

The invention discloses a passenger car spare tire lifting device, which is used for solving the problem that a passenger car spare tire is difficult to take out from the bottom of a car by the aid of self-force for people or women with small force, is hung at the bottom of the car and is easily hit by splashed stones, sundries and the like on the road, so that the spare tire is damaged.

Description

Passenger train spare tyre elevating gear

Technical Field

The invention belongs to the field of bus accessories; relates to the technology of vehicle spare tire equipment; in particular to a lifting device for a spare tire of a passenger car.

Background

The existing spare tire of the passenger car is only fixed at the bottom of the passenger car through a compression bolt or a nut, and the lifting device is simple and crude and has incomplete functions. Chinese patent CN204079375U discloses an electric spare tire rack for a vehicle, the utility model discloses an electric spare tire lifting mechanism, which comprises a fixed seat horizontally arranged at the bottom of a vehicle body; a through hole is vertically formed in the fixed seat, and a transmission rod is sleeved in the through hole through a bearing; a motor is arranged on the fixed seat at one side of the transmission rod, and an output shaft of the motor is in driving connection with the transmission rod through a gear pair; the outer wall of the lower part of the transmission rod is provided with an external thread; a spare tire bracket is arranged below the transmission rod and comprises a supporting plate, a vertical rod is vertically arranged in the middle of the supporting plate, and a screw hole matched with the external thread is vertically formed in the top of the vertical rod and is in threaded connection with the transmission rod; a telescopic rod is vertically arranged on one side of the supporting plate through a pin, and the top of the telescopic rod is connected with a fixed seat. The utility model has the advantages of simple structure and convenient operation. When the spare tire needs to be replaced, the motor can be used for conveniently and laborsavingly controlling the lifting of the spare tire bracket, the spare tire can be easily and simply taken out, and time and labor are saved.

However, it is difficult for a person or woman with small strength to take out the spare tire from the vehicle bottom by hand, and the spare tire of the passenger car is often hung on the vehicle bottom and easily hit by splashed stones, sundries and the like on the road, so that the spare tire is damaged.

Disclosure of Invention

The invention aims to provide a lifting device for spare tires of a passenger car, which is used for solving the problem that the spare tires are difficult to take out from the bottom of the car by hands of people or women with small strength and are easily hit by splashed stones, sundries and the like on the road when the spare tires of the passenger car are mostly hung at the bottom of the car, so that the spare tires are damaged.

The purpose of the invention can be realized by the following technical scheme:

a passenger car spare tire lifting device comprises a passenger car tire, wherein the passenger car tire is stored in an inner cavity of a protector, the top of the protector is connected with a hoisting rope, and the hoisting rope is connected to the inside of a lifter;

furthermore, the protector consists of a fixed joint, an upper cover plate, a shock absorption cylinder, a limiting stopper, a pulley and a protection box, wherein a groove is formed in the bottom of the protection box, the pulley is fixedly installed in the groove, the shock absorption cylinder is installed in an inner cavity of the protection box, the bottom of the shock absorption cylinder is welded to the bottom of the protection box, the top of the shock absorption cylinder is tightly pressed on the upper cover plate, the upper cover plate is installed at the top end of the protection box, internal threads are formed in the upper cover plate, external threads are formed in the top end of the protection box, and the internal threads and the external threads are matched;

furthermore, a limiting stopper is mounted at the bottom of the protection box, the passenger car tire is clamped in the protection box through the limiting stopper, the limiting stopper consists of a limiting baffle, a limiting bottom plate and a limiting spring, a sliding groove is formed in the limiting bottom plate, the lower end of the limiting baffle is mounted in the sliding groove, the upper end of the limiting baffle is in contact with the passenger car tire, the limiting spring is mounted on one side of the protrusion of the lower end of the limiting baffle, one end of the limiting spring is pressed to the protrusion, and the other end of the limiting spring is pressed to the inner wall of the limiting bottom plate;

furthermore, a fixed joint is arranged in the middle of the upper cover plate, and the fixed joint is connected with the lower end of the hoisting rope in a matched mode through a bolt;

furthermore, the lower end of the hoisting rope is connected with a fixed joint, and the upper end of the hoisting rope is connected inside the lifter;

furthermore, the lifter comprises a motor, a mounting support, a motor cable, a switch cable, a driving gear, a driving shaft fixing block, a lighting lamp, a power supply interface, a driven gear, a driven shaft and a bearing support, wherein one end of the motor is mounted on the inner wall of the lifter through the mounting support, the motor is connected to the power supply interface through the motor cable, the motor is connected to the switch through the switch cable, the driving shaft is mounted at the other end of the motor, a spline is formed in the driving shaft, and the driving gear is sleeved on the spline;

furthermore, the driving shaft fixing block is mounted on the inner wall of the lifter on one side far away from the motor, a through hole is formed in the driving shaft fixing block, a hole is formed in the inner wall of the lifter and corresponds to the inner through hole of the driving shaft fixing block, the bottom end of the driving shaft is embedded into the inner through hole of the driving shaft fixing block, a groove is formed in the bottom end of the driving shaft, illuminating lamps are mounted at the upper end and the lower end of the driving shaft fixing block and connected with a power supply interface through electric wires, and a quick sliding groove is formed in the side face, where the driving shaft fixing block;

further, the driven gear is fixed on the driven shaft, the two ends of the driven shaft are fixed on the bearing support, the bearing support is fixed at the bottom of the lifter through bolts, a hanging rope is installed in the middle of the driven shaft, a fixed joint groove is formed in the bottom of the lifter, a through hole is formed in the middle of the fixed joint groove, a stop switch is installed on one side of the through hole, and the hanging rope penetrates through the through hole.

Furthermore, the groove at the bottom end of the driving shaft is an inner hexagon.

Further, the illuminating lamp is an LED bulb.

Compared with the prior art, the invention has the beneficial effects that:

1. through the arrangement of the limiting device, the passenger car tire cannot move randomly in the protective box, so that the car runs stably, the noise generated during bumping is reduced, the driving pleasure is improved, and meanwhile, when bumping occurs, the limiting spring can absorb part of energy to prevent the passenger car tire from being damaged;

2. through the arrangement of the illuminating lamp and the quick sliding groove, the position of the inner hexagonal groove can be roughly observed through the illuminating lamp at night, the inner hexagonal wrench can be quickly inserted into the inner hexagonal groove along the sliding groove when the inner hexagonal wrench slides into the quick sliding groove, and the convenience in use at night is improved;

3. through the setting of swift spout for when the motor trouble, when not having driving system, the driver also can easily fix a position the position of main shaft recess, puts down the spare tyre through the hexagon spanner hand-operated in the tyre maintenance package.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of a passenger car spare tire lifting device;

FIG. 2 is a schematic view of the elevator structure;

FIG. 3 is a schematic view of the protector construction;

FIG. 4 is a schematic view of a quick slide;

figure 5 is a schematic of the stopper structure.

In the figure: 1. a lifter; 101. a motor; 102. mounting a bracket; 103. a motor cable; 104. a switch cable; 105. a driving gear; 106. a drive shaft; 107. a driving shaft fixing block; 108. an illuminating lamp; 109. a power interface; 110. a driven gear; 111. a driven shaft; 112. a bearing support; 113. a quick chute; 114. an aperture; 115. a stop switch; 2. hoisting a connecting rope; 3. a protector; 4. passenger vehicle tires; 301. fixing the joint; 3011. fixing the joint groove; 302. an upper cover plate; 303. a damper cylinder; 304. a stopper; 3041. a limit baffle; 3042. a limiting bottom plate; 3043. a limiting spring; 305. a pulley; 306. a protection box.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, a passenger car spare tire lifting device, a passenger car tire 4 is placed in an inner cavity of a protector 3, the top of the protector 3 is connected with a hoisting connection rope 2, and the hoisting connection rope 2 is connected with a lifter 1;

the protector 3 is composed of a fixed joint 301, an upper cover plate 302, a shock absorption cylinder 303, a limiter 304, pulleys 305 and a protection box 306, wherein a groove is formed at the bottom end of the protection box 306, the grooves are fixedly provided with the pulleys 305 through bolts, four grooves are formed, the four grooves are symmetrically designed, the pulleys 305 on one side on the left side and the pulleys 305 on the right side are not on a uniform axis, the pulleys 305 on the left side are slightly higher than the pulleys 305 on the right side, so that when the protector 3 is in contact with the ground after descending through a hanging rope 2, the protector 3 can move in the direction from high to low due to the fact that the pulleys 305 on the left side and the right side are higher and lower, the protector 3 can slowly slide out of the vehicle bottom without manpower, the difficulty of replacement of spare tires of women and drivers with small strength is reduced, the shock absorption cylinder 303 is installed in the protection box 306, the bottom of the shock absorption cylinder 303 is welded at the bottom of, four shock-absorbing cylinders 303 are installed in the protection box 306, the shock-absorbing cylinders 303 absorb shock conducted on the protection box 306 by a vehicle body through deformation, the passenger car tire 4 in the protection box 306 is prevented from being damaged due to bumping, an upper cover plate 302 is installed at the top end of the protection box 306, an internal thread is arranged on the upper cover plate 302, an external thread is arranged at the top end of the protection box 306, and the internal thread is matched with the external thread;

the bottom of the protection box 306 is provided with two stoppers 304, the passenger car tire 4 is tightly clamped in the protection box 306 through the stoppers 304, the stoppers 304 are symmetrically arranged with each other, each stopper 304 is composed of a limit baffle 3041, a limit bottom 3042 and a limit spring 3043, a sliding groove is arranged in the limit bottom 3042, the lower end of the limit baffle 3041 is arranged in the sliding groove in an interference fit manner, a limit spring 3043 is arranged on one side of the lower end of the limit baffle 3041, one end of the limit spring 3043 is tightly pressed on the inner wall of the limit bottom 3042, the upper end of the limit baffle 3041 is contacted with the passenger car tire 4, the stopper 304 tightly clamps the passenger car tire 4 through the elasticity of the limit spring 3043, when the passenger car tire 4 needs to be taken out, the passenger car tire 4 can be taken out only by pulling the passenger car tire 4 to one side, the passenger car tire 4 can not randomly move in the protection box 306 through the arrangement, the automobile runs stably, noise generated during bumping is reduced, driving pleasure is improved, and meanwhile, when bumping occurs, the limiting spring 3043 can absorb part of energy to prevent the passenger car tire 4 from being damaged; a fixed joint 301 is arranged in the middle of the upper cover plate 302, the fixed joint 301 is a universal joint, and the fixed joint 301 is matched with the lower end of the hoisting connection rope 2 through a bolt;

the lower end of the hoisting rope 2 is connected with a fixed joint 301, and the upper end of the hoisting rope 2 is connected inside the lifter 1;

the lifter 1 comprises a motor 101, a mounting bracket 102, a motor cable 103, a switch cable 104, a driving gear 105, a driving shaft 106, a driving shaft fixing block 107, a lighting lamp 108, a power interface 109, a driven gear 110, a driven shaft 111 and a bearing bracket 112, wherein one end of the motor 101 is mounted inside the lifter 1 through the mounting bracket 102, the motor 101 is connected to the power interface 109 through the motor cable 103, the motor 101 is connected to a switch through the switch cable 104, the switch is mounted on the surface of a vehicle body, such as in a trunk, the driving shaft 106 is mounted at the other end of the motor 101, a spline is formed on the driving shaft 106, and the driving gear 105 is sleeved on the;

the driving shaft fixing block 107 is installed on the inner wall of the lifter 1 far away from the motor 101, the driving shaft fixing block 107 is provided with a through hole 114, the inner wall is provided with a hole 114, the hole 114 is arranged corresponding to the inner through hole 114 of the driving shaft fixing block 107, the bottom end of the driving shaft 106 is embedded into the inner through hole 114 of the driving shaft fixing block 107, the bottom end of the driving shaft 106 is provided with an inner hexagonal groove, when the motor 101 fails, an inner hexagonal wrench can be manually inserted into the inner hexagonal groove, the driving shaft 106 is driven to rotate by rotating the inner hexagonal wrench, the driving shaft 106 rotates to synchronously drive the driving gear 105 to rotate, and further the protector 3 is manually lowered, the upper end and the lower end of the driving shaft fixing block 107 are both provided with illuminating lamps 108, the illuminating lamps 108 are connected with a power interface 109 through electric wires, the side, one side close to the hole 114 is narrow, and because the lifter 1 is arranged at the bottom of the vehicle, when the driving shaft 106 needs to be manually rotated to put down the protector 3, the position of the inner hexagonal groove can be roughly observed through the illuminating lamp 108, the inner hexagonal wrench can be quickly inserted into the inner hexagonal groove along the sliding groove when sliding into the quick sliding groove 113, and the convenience of use at night is improved;

the driving gear 105 is meshed with the driven gear 110, the driven gear 110 is fixed on the driven shaft 111, two ends of the driven shaft 111 are fixed on the bearing support 112, the bearing support 112 is fixed at the bottom of the lifter 1 through bolts, the hoisting rope 2 is installed in the middle of the driven shaft 111, the bottom of the lifter 1 is provided with a fixed joint groove 3011, a through hole is formed in the middle of the fixed joint groove 3011, one side of the through hole is provided with a stop switch 115, the hoisting rope 2 penetrates through the through hole, when the motor 101 drives the driven shaft 111 to rotate, the hoisting rope 2 hoists the protection box 306, when the highest position is hoisted, the fixed joint 301 slides into the fixed joint groove 3011, at the moment, the fixed joint 301 compresses the stop switch 115, the motor 101 stops working, and the protection box 306 is lifted at.

The invention is implemented specifically as follows: when a motor switch is pressed, the motor 101 starts to operate, the driving shaft 106 is driven to rotate at the same time, the driving gear 105 on the driving shaft 106 also rotates, the driven gear 110 meshed with the driving gear 105 is driven by the driving gear 105, the driven shaft 111 also starts to rotate, the hoisting rope 2 is loosened from the driven shaft 111, and the protector 3 falls;

when the protector 3 contacts with the ground, because the pulley 305 has different heights and the protector 3 is influenced by gravity, the protector 3 slowly moves to the lower side, and at the moment, a female driver or a driver with less strength can pull out the spare tire from the vehicle easily; if the protector 3 cannot slide out of the vehicle bottom under the condition of uneven road surface, the protector 3 needs to be moved out of the vehicle bottom by pulling; after the replacement is finished, when the protector 3 is lifted, when the fixed joint 301 slides into the fixed joint groove 3011, the fixed joint 301 is contacted with the stop switch 115, so that the motor stops working, the protector 3 stops lifting, and the protector 3 lifts to the highest position;

when the automobile or the motor 101 is out of order, the hexagonal wrench can be inserted into the bottom groove of the driving shaft 106 through the quick sliding groove 113, and the driving shaft 106 is driven to rotate by rotating the hexagonal wrench, so that the protector 3 is lowered or lifted.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A passenger car spare tire lifting device comprises a passenger car tire (4), and is characterized in that the passenger car tire (4) is stored in an inner cavity of a protector (3), the top of the protector (3) is connected with a hoisting and connecting rope (2), and the hoisting and connecting rope (2) is connected to the inside of a lifter (1);

the protector (3) comprises a fixed joint (301), an upper cover plate (302), a shock absorption cylinder (303), a limiter (304), a pulley (305) and a protection box (306), wherein a groove is formed in the bottom of the protection box (306), the pulley (305) is fixedly installed in the groove, the shock absorption cylinder (303) is installed in an inner cavity of the protection box (306), the bottom of the shock absorption cylinder (303) is welded to the bottom of the protection box (306), the top of the shock absorption cylinder (303) is tightly pressed on the upper cover plate (302), the upper cover plate (302) is installed at the top end of the protection box (306), an internal thread is arranged on the upper cover plate (302), an external thread is arranged at the top end of the protection box (306), and the internal thread and the external thread are matched with each other;

the passenger car tire protection device is characterized in that a stopper (304) is mounted at the bottom of the protection box (306), a passenger car tire (4) is clamped in the protection box (306) through the stopper (304), the stopper (304) consists of a limit baffle (3041), a limit bottom plate (3042) and a limit spring (3043), a sliding groove is formed in the limit bottom plate (3042), the lower end of the limit baffle (3041) is mounted in the sliding groove, the upper end of the limit baffle (3041) is in contact with the passenger car tire (4), the protruding side of the lower end of the limit baffle (3041) is provided with the limit spring (3043), one end of the limit spring (3043) presses the protrusion, and the other end of the limit spring (3043) presses the inner wall of the limit bottom plate (3042);

a fixed joint (301) is arranged in the middle of the upper cover plate (302), and the fixed joint (301) is matched and connected with the lower end of the hoisting connection rope (2) through a bolt;

the lower end of the hoisting and connecting rope (2) is connected with a fixed joint (301), and the upper end of the hoisting and connecting rope (2) is connected inside the lifter (1);

the lifter (1) comprises a motor (101), a mounting bracket (102), a motor cable (103), a switch cable (104), a driving gear (105), a driving shaft (106), a driving shaft fixing block (107), a lighting lamp (108), a power interface (109), a driven gear (110), a driven shaft (111) and a bearing bracket (112), wherein one end of the motor (101) is mounted on the inner wall of the lifter (1) through the mounting bracket (102), the motor (101) is connected to the power interface (109) through the motor cable (103), the motor (101) is connected to a switch through the switch cable (104), the driving shaft (106) is mounted at the other end of the motor (101), a spline is formed in the driving shaft (106), and the driving gear (105) is sleeved on the spline;

the utility model discloses a motor, including driving shaft fixed block (107), driving shaft fixed block (107) are installed on the riser (1) inner wall of keeping away from motor (101) one side, driving shaft fixed block (107) are equipped with and run through-hole (114), porose (114) are seted up to the inner wall of riser (1), hole (114) correspond the setting with inside through-hole (114) of driving shaft fixed block (107), in driving shaft (106) bottom embedding inside through-hole (114) of driving shaft fixed block (107), driving shaft (106) bottom is equipped with the recess, light (108) are all installed to the upper end and the lower extreme of driving shaft fixed block (107), light (108) are connected with power source (109) through the electric wire, swift spout (113) have been seted up to the side that driving shaft fixed block (107) was.

2. The passenger car spare tire lifting device according to claim 1, wherein a groove at the bottom end of the driving shaft (106) is an inner hexagon, the driven gear (110) is fixed on the driven shaft (111), two ends of the driven shaft (111) are fixed on the bearing support (112), the bearing support (112) is fixed at the bottom of the lifter (1) through bolts, a hoisting rope (2) is installed in the middle of the driven shaft (111), a fixed joint groove (3011) is formed in the bottom of the lifter (1), a through hole is formed in the middle of the fixed joint groove (3011), a stop switch (115) is installed on one side of the through hole, and the hoisting rope (2) is passed through the through hole.

3. The spare tire lifting device for passenger car as claimed in claim 1, wherein said illumination lamp (108) is of type VAZ LED 700BU, said driving gear (106) is located at the upper end of the driven gear (110), and said damper cylinder (303) is of type SA8X6-S compensation damper.