CN202320662U

CN202320662U - Telescopic rod of foldable double-seat four-wheel electric vehicle

Info

Publication number: CN202320662U
Application number: CN2011204313702U
Authority: CN
Inventors: 戴长新
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-03
Filing date: 2011-11-03
Publication date: 2012-07-11
Anticipated expiration: 2021-11-03

Abstract

The utility model discloses a telescopic rod of a foldable double-seat four-wheel electric vehicle. The telescopic rod consists of a sliding casing, a sliding core bar and a limiting structure, wherein the lower end of the sliding casing is in hinged connection with a lower lug of a front frame component; the upper end of the sliding core bar is hinged with a stay bar lug on a horizontal bar; the lower end of the sliding core bar is sleeved in an inner hole of the sliding casing; and the limiting structure is arranged between the sliding core bar and the sliding casing. A foldable structure can be used for completing folding of the vehicle together with front and back connecting frames, a rotary seat frame, a movable vertical bar and a pedal, a slipping limit limiting structure of the telescopic rod is convenient for people to fold and arrange the entire frame, one-key operation is realized, and compactness and convenience are realized.

Description

A kind of expansion link of collapsible two-seater four-wheel electric motor car

Technical field

The utility model relates to a kind of folding four-wheel electric motor car, relates in particular to the frame part of folding four-wheel electric motor car.

Background technology

Along with increasing of social elderly population, social senilization's problem is more and more outstanding, and old man's year and disabled person's trip problem also is not well solved.Though now for they have developed electro-tricycle or the electronic tricycle for the disabled of three-wheel, these vehicles all are that the manual tricycle differentiation is come, the front vehicle frame of this type electro-tricycle is the old-fashioned formula of hurdling; The elderly and the disabled's trick does not resemble the normal youngster flexible; It is very inconvenient to get on or off the bus, and simultaneously, it is stable bad that three-wheel vehicle is walked; If Turning radius is too small, steering angle is excessive, inclined to one side seat centre-of gravity shift etc. all is easy to produce rollover, cause car to turn over the accident that the people hinders in the process of walking.Existing electro-tricycle can not fold, and floor area is not easy to folding storage greatly, more can not advance elevator and bring back house and deposit, and incompatibility cities and towns high residential building resident uses.

In order to overcome the deficiency that prior art exists; The applicant has developed collapsible two-seater four-wheel electric motor car as shown in Figure 1; It comprises front vehicle frame parts 1, back frame part 2, front and back link span 3, rotates mounting 4, expansion link 5, activity vertical rod 6 and pedal 7, links to each other through front and back link span 3 between front vehicle frame parts 1 and the back frame part 2, and the rear end of rotating mounting 4 is hinged with back frame part 2; The front end and the front and back link span 3 that rotate mounting 4 are hinged; Expansion link 5 is arranged between front vehicle frame parts 1 and the front and back link span 3, and between link span 3 and the rotation mounting 4, pedal 7 was arranged between front vehicle frame parts 1 and the front and back link span 3 before and after activity vertical rod 6 was arranged on.

It is that fulcrum folds with the center of trailing wheel all that this folding structure can make the whole vehicle frame of four-wheel electric motor car; Vehicle frame length dimension after folding dwindles 1/2～2/3; Be convenient to elevator and collection; The slippage limit position limiting structure of expansion link 5 is convenient to that people fold whole vehicle frame and exhibition is put, and realizes a key operation, light and fast.Vehicle frame adopts aluminium alloy pipe to make, and can guarantee the intensity of vehicle frame, can reduce the weight of car load again, is particularly suitable for old Mr. and Mrs and disabled person and uses.

Expansion link is one of critical component in this collapsible two-seater four-wheel electric motor car.

The utility model content:

The purpose of the utility model provides a kind of expansion link of collapsible two-seater four-wheel electric motor car, and it is the critical component of the folding and stretching, extension of four-wheel electric motor car.

The technical scheme that the utility model is taked is:

A kind of expansion link of collapsible two-seater four-wheel electric motor car; It is characterized in that: expansion link is made up of sliding sleeve, sliding core pole and position limiting structure; The lower ear base of the lower end of sliding sleeve and front vehicle frame parts is hinged; The upper end of sliding core pole and the strut ear seat on the horizon bar are hinged, and the lower end of sliding core pole is sleeved in the endoporus of sliding sleeve, and position limiting structure is arranged between sliding core pole and the sliding sleeve.

Further; Be provided with vestibule, spring and steel ball at the sliding core pole hypomere; Steel ball and spring all are placed in the vestibule, and steel ball be positioned at the outside, on sliding sleeve, be provided with two end positions corresponding to sliding core pole; On sliding sleeve, be provided with spacing hole, the diameter of spacing hole is slightly less than the diameter of steel ball.

Link span before and after this folding structure can cooperate, rotate collaborative the folding of car of accomplishing of mounting, activity vertical rod and pedal, the slippage limit position limiting structure of expansion link is convenient to that people fold whole vehicle frame and exhibition is put, and realizes a key operation, light and fast.

Description of drawings:

Fig. 1 is the structural representation of collapsible two-seater four-wheel electric motor car;

Fig. 2 is the structural representation of front vehicle frame parts;

Fig. 3 is the structural representation of back frame part;

Fig. 4 is the structural representation of front and back link span;

Fig. 5 is for rotating the structural representation of mounting;

Fig. 6 is the structural representation of the utility model;

Fig. 7 is the mounted inside structural representation of the utility model;

Fig. 8 is sliding sleeve and sliding core pole fit structure scheme drawing;

Fig. 9 is in the structural representation of folded state for car load.

Among the figure, 1-front vehicle frame parts; Frame part behind the 2-; Link span before and after the 3-; 4-rotates mounting; The 5-expansion link; 6-activity vertical rod; The 7-pedal; The 8-battery; The 10-front-wheel; 11-turns to handrail; 12-handle fixed cover; The 121-upper ear seat; The 122-lower ear base; The 13-front wheel carrier; 14-rides peg; The 15-synchronising (connecting) rod; Poke rod in the middle of the 16-; 17-side poke rod; 18-front-wheel bearing support; 19-front-wheel rotary axle box; The 21-trailing wheel; The 22-rear wheel frame; The 23-seat back frame; 24-seat frame ear seat A; The 31-horizon bar; The 32-hound; The horizontal trailing wheel frame of 33-; 34-peg ear seat; The 35-battery tray; 36-strut ear seat; 41-seat frame; The vertical peg of 42-; The 43-intermediate bar; 44-horizon bar ear seat; 45-seat frame ear seat B; The 51-sliding sleeve; The 52-sliding core pole; The 53-spring; The 54-steel ball; 511-spacing hole; The 521-vestibule.

The specific embodiment

The specific embodiment below in conjunction with description of drawings the utility model:

Embodiment 1: a kind of collapsible two-seater four-wheel electric motor car; As shown in Figure 1; Comprise front vehicle frame parts 1, back frame part 2, front and back link span 3, rotate mounting 4, expansion link 5, activity vertical rod 6 and pedal 7; Said front vehicle frame parts 1 are as shown in Figure 2, and it comprises and turns to handrail 11, handle fixed cover 12, front wheel carrier 13, foot-operated peg 14, synchronising (connecting) rod 15, middle poke rod 16, side poke rod 17, front-wheel bearing support 18, front-wheel rotary axle box 19 and front-wheel 10, on handle fixed cover 12, is provided with upper ear seat 121 and lower ear base 122; Turn to the vertical rod of handrail 11 to be sleeved in the handle fixed cover 12; One end of two side poke rods 17 is fixed on the front-wheel bearing support 18, and the other end of two side poke rods 17 all is hinged with synchronising (connecting) rod 15, and middle poke rod 16 1 ends are fixed on the lower end of the vertical rod that turns to handrail 11; Middle poke rod 16 other ends and synchronising (connecting) rod 15 are hinged; Front wheel carrier 13 is fixed on the handle fixed cover 12, and front-wheel rotary axle box 19 is fixed on the front wheel carrier 13, and two foot-operated pegs 14 are fixed on the front wheel carrier 13; The shaft set of front-wheel bearing support 18 is in front-wheel rotary axle box 19, and said front-wheel 10 is fixed on the front-wheel bearing support 18 through wheel shaft; Said back frame part 2 is as shown in Figure 3; It comprises two trailing wheels 21, rear wheel frame 22, seat back frame 23 and seat frame ear seat A24; Two trailing wheel 21 broad ways compartment of terrains are installed in the lower end of rear wheel frame 22; Seat back frame 23 is arranged on the upper end of rear wheel frame 22, and seat frame ear seat A24 is arranged on the rear wheel frame 22.

Said front and back link span 3 is as shown in Figure 4; It comprises horizon bar 31, hound 32, horizontal trailing wheel frame 33, peg ear seat 34, battery tray 35 and strut ear seat 36; Strut ear seat 36 is arranged between the two ends of horizon bar 31, and an end of horizon bar 31 and the upper ear seat 121 on the handle fixed cover 12 are hinged, and the other end of horizon bar 31 is hinged on and rotates on the mounting 4; The upper end of hound 32 and horizon bar 31 are hinged; Captive joint with horizontal trailing wheel frame 33 in the lower end of hound 32, horizontal trailing wheel frame 33 is set on two trailing wheels 21, and battery tray 35 is fixed on the horizontal trailing wheel frame 33; Said rotation mounting 4 is as shown in Figure 5; It is made up of seat frame 41, vertical peg 42, intermediate bar 43, horizon bar ear seat 44 and seat frame ear seat B45; Seat frame ear seat B45 is provided with the rear end of present frame 41, and the seat frame ear seat A24 on seat frame ear seat B45 and the back frame part 2 is articulated and connected the lower end, both sides of the hinged present frame 41 in the upper end of two vertical pegs 42; Intermediate bar 43 is provided with in the preceding frame of present frame 41, and horizon bar ear seat 44 is arranged on the lower end of intermediate bar 43; Said expansion link 5 is as shown in Figure 6; It is made up of sliding sleeve 51, sliding core pole 52 and position limiting structure, and the lower ear base 122 of the lower end of sliding sleeve 51 and front vehicle frame parts 1 is hinged, and the strut ear seat 36 on the upper end of sliding core pole 52 and the horizon bar 31 is hinged; The lower end of sliding core pole 52 is sleeved in the endoporus of sliding sleeve 51; Position limiting structure is arranged between sliding core pole 52 and the sliding sleeve 51, and said position limiting structure is as shown in Figure 7, is provided with the vestibule 521 of mounting spring 53 and steel ball 54 at the hypomere of sliding core pole 52; And steel ball 54 is positioned at the outside; On sliding sleeve 51, be provided with two end positions corresponding to sliding core pole 52, on sliding sleeve 51, be provided with spacing hole 511, the diameter of spacing hole 511 is slightly less than the diameter of steel ball 54; The lower end of vertical peg 42 and the upper end of activity vertical rod 6 are hinged; Activity vertical rod 6 lower ends and front and back link span 3 upper hanging rod ear seats 34 are hinged; The horizontal trailing wheel frame 33 of one end of pedal 7 and front and back link span 3 is hinged, and the foot-operated peg 14 on the other end of pedal 7 and the front vehicle frame parts 1 is hinged; Said pedal 7 is divided into left-hand tread plate and right-hand tread plate, and left-hand tread plate and right-hand tread plate are separate in this example, and like Fig. 1 and shown in Figure 9, this structure is convenient to that people fold whole vehicle frame and exhibition is put, and realizes a key operation, light and fast; The horizontal trailing wheel frame 33 of one end of pedal 7 and front and back link span 3 is hinged, and the lower end of the foot-operated peg 14 on the other end of pedal 7 and the front vehicle frame parts 1 is hinged; Powered vehicle walking battery is a lithium cell, and lithium cell is placed in the battery tray 35; Vehicle frame adopts aluminium alloy pipe to make, and can guarantee the intensity of vehicle frame, can reduce the weight of car load again.

Claims

1. the expansion link of a collapsible two-seater four-wheel electric motor car; It is characterized in that: expansion link (5) is made up of sliding sleeve (51), sliding core pole (52) and position limiting structure; The lower ear base (122) of the lower end of sliding sleeve (51) and front vehicle frame parts (1) is hinged; Strut ear seat (36) on the upper end of sliding core pole (52) and the horizon bar (31) is hinged, and the lower end of sliding core pole (52) is sleeved in the endoporus of sliding sleeve (51), and position limiting structure is arranged between sliding core pole (52) and the sliding sleeve (51).

2. according to the expansion link of the said collapsible two-seater four-wheel electric motor car of claim 1; It is characterized in that: be provided with vestibule (521), spring (53) and steel ball (54) at sliding core pole (52) hypomere; Steel ball (54) and spring (53) all are placed in the vestibule (521), and steel ball (54) be positioned at the outside, on sliding sleeve (51), be provided with two end positions corresponding to sliding core pole (52); On sliding sleeve (51), be provided with spacing hole (511), the diameter of spacing hole (511) is slightly less than the diameter of steel ball (54).