CN2424086Y - Crawler-type foldable luggage van - Google Patents

Abstract

The utility model discloses a collapsible luggage van of crawler-type, its goods lean on the lower extreme of frame, the one end of goods seat frame to be in the coaxial articulated of waist three of vehicle bottom seat frame, and the cover is equipped with the rim plate on axle 8 and the axle 9 that the arch beam both ends were adorned admittedly respectively, and the track suit is on two rim plates of vehicle bottom seat frame both sides respectively. When the hand-operated luggage cart walks, or the whole crawler belt or a part of the crawler belt lands, the hand-operated luggage cart can always stride over the front edge of the stair step to walk up and down smoothly in a straight line or stride over two sides of a small ditch when going up and down stairs, and the hand-operated luggage cart is novel to go up and down stairs, or strides over the small ditch or walks on an uneven road surface.

Description

The collapsible baggage car of crawler type

The utility model relates to a kind of collapsible baggage car, the collapsible baggage car of particularly a kind of crawler type.

At present, the collapsible baggage car of existing two-wheel, function singleness only is adapted at walking on the smooth road, is not suitable for stair activity, vehicle and cross over ditch up and down.A kind of six take turns the big heaviness of its body of convertible Stairs climbing vehicle that two groups of product types are installed, be not easy to carry and collect, complex structure, though on the level land or stair case because it always has four-wheel to land, and do not have steering hardware, commutation so it all can not be turned neatly, when going up downstairs, resistance and impulsion sense are all very big, and simultaneously, it is subjected to wide, narrow, the high and low restriction of stair step again.

The purpose of this utility model is to provide a kind of collapsible baggage car of crawler type of being convenient to stair activity and can crossing over ditch.

The purpose of this utility model be achieved in that it comprise with grip handle 1 lower end pivotally attached goods by frame 2 and goods mounting 3, goods is coaxial hinged the waist three of car pony sill 4 by an end of the bottom of frame 2, goods mounting 3, be connected with crossbeam between two bow beams of car pony sill 4, be set with wheel disc 6 on axle 8 that the bow beam two ends install respectively and the axle 9, crawler belt 7 is set with on two wheel discs 6 of car pony sill 4 both sides.Goods is by being equipped with two joint pivotally attached supportings 5 up and down between frame 2 and the car pony sill 4, the upper end of supporting 5 and goods are hinged by the waist of frame 2, and the bow beam waist of lower end and car pony sill 4 is hinged.Another embodiment of car pony sill 4 is: car pony sill 4 is the car pony sill of band arc reinforced rib, the bow subordinate side of bow beam is connected with arc reinforced rib 15, reinforced rib 15 is provided with the locator card pin-and-hole, by the positioning clamping pin 16 of goods by being set with spring and joining with spring in the lower end pipe of frame 2 that hollow tubular is made, goods is equipped with the backguy of joining with spring by in the hollow tubular of frame 2.Crawler belt 7 is a pipe shape chain link crawler belt, form by tubular rubber cover tire 13, pipe shape chain link 12, chain link connecting strap 10 and pin 11, pipe shape chain link 12 is interconnected to chain link with chain link connecting strap 10 by pin 11 and is installed in the tubular rubber cover tire 13, pipe shape chain link 12 is band pin-and-hole and the horizontal pipe shape that cracks, the angle, two ends of the side of cracking is a circular arc, and opposite side on the other side and two ends are and are square.Crawler belt 7 is a flute profile chain link crawler belt, and flute profile chain link 19 connects into link-like by pin 18, also can be in the Baltimore groove of endless track setting-in rubbery cover tyre or belt, the angle, notch two ends of flute profile chain link 19 is a circular arc, bottom land and both sides are rectangular in shape.The also replaceable one-tenth belt of crawler belt 7 is sleeved on the wheel disc 6 of baggage car both sides.

In sum, the utility model has the advantages that: by crawler belt is installed on wheel disc, mutual non-conterminous point a bit or more than two during walking or on whole piece crawler belt or the crawler belt lands, can make baggage car stride the preceding rim that drops on stair step all the time when stair activity linearly smoothly walks up and down, or take across the ditch both sides, thereby made things convenient for the baggage car stair activity or crossed over ditch, or on irregular road surface, walk.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a running condition structural representation of the present utility model;

Fig. 2 is another running condition reference diagram of the present utility model;

Fig. 3 is a folded state structural representation of the present utility model;

Fig. 4 is the cross-sectional structural representation of pipe shape chain link crawler belt;

Fig. 5 is that the A-A of Fig. 4 is to section drawing;

Fig. 6 is the pipe shape chain link schematic cross-section of Fig. 5;

Fig. 7 is another example structure scheme drawing of car pony sill;

Fig. 8 is the cross-sectional structural representation of flute profile chain link crawler belt;

Fig. 9 is that the B-B of Fig. 8 is to section drawing.

By Fig. 1-Fig. 9 as can be known, the utility model comprise with grip handle 1 lower end pivotally attached goods by frame 2 and goods mounting 3, goods is coaxial hinged the waist three of car pony sill 4 by an end of the bottom of frame 2, goods mounting 3, this is convenient to the folding of baggage car; Affixed crossbeam between two bow beams of car pony sill 4 is used to tighten up pony sill; Be set with wheel disc 6 on axle 8 that the bow beam two ends install respectively and the axle 9, crawler belt 7 is set with on two wheel discs 6 of car pony sill 4 both sides, mutual non-conterminous point a bit or more than two on when walking or whole piece crawler belt or crawler belt lands, can make baggage car stride the preceding rim that drops on stair step all the time when stair activity linearly smoothly walks up and down, or take across the ditch both sides, thereby made things convenient for the baggage car stair activity or crossed over ditch, or on irregular road surface, walk.Goods is by being equipped with two joint pivotally attached supportings 5 up and down between frame 2 and the car pony sill 4, be used for goods by the location between frame 2 and the car pony sill 4, the upper end of supporting 5 and goods are hinged by the waist of frame 2, the bow beam waist of lower end and car pony sill 4 is hinged, one end of supporting 5 can be installed trip, is used to support the location of 5 bending degrees, can shorten goods by the distance between frame 2 and the car pony sill 4 during supporting 5 bendings, so that lift shaft 9 makes things convenient for baggage car to go upstairs.

Another embodiment of car pony sill 4 is: car pony sill 4 is made the car pony sill of band arc reinforced rib, the bow subordinate side that is bow beam is connected with arc reinforced rib 15, reinforced rib 15 is provided with the locator card pin-and-hole, the goods of being made by hollow tubular leans on the positioning clamping pin 16 that is set with spring and joins with spring in the lower end pipe of frame 2, goods is equipped with the backguy of joining with spring by in the hollow tubular of frame 2, make goods lean on positioning clamping pin 16 pull-ups of the interior suit of lower end pipe of frame 2 by pullling backguy, after goods forwards correct position to by frame 2, unclamp backguy, under the action of the spring of positioning clamping pin 16 suit in goods is managed by the lower end of frame 2, promote the locator card pin-and-hole that positioning clamping pin 16 is inserted on the reinforced rib 15, make goods lean on frame 2 location.

Crawler belt 7 adopts pipe shape chain link crawler belt, it is by tubular rubber cover tire 13, pipe shape chain link 12, chain link connecting strap 10 and pin 11 are formed, pipe shape chain link 12 is interconnected to chain link with chain link connecting strap 10 by pin 11 and is installed in the tubular rubber cover tire 13, pipe shape chain link 12 is band pin-and-hole and the horizontal pipe shape that cracks, horizontal cracking is not for to be blocked by the pipe wall when rotating for the ease of chain link connecting strap 10, the angle, two ends of the side of cracking is a circular arc, be for pipe shape chain link 12 can be rotated around wheel disc 6, opposite side on the other side and two ends are for square is for the tread surface that makes crawler belt is not easy K/UP, are convenient to stair activity and walk on irregular road surface.In like manner, track link also can adopt the chain link of flute profile chain link or other shape.Produce for convenient, reduce cost, the also replaceable one-tenth belt of crawler belt 7 is sleeved on the wheel disc 6 of baggage car both sides.

Claims (6)

1, the collapsible baggage car of a kind of crawler type, it comprises with grip handle (1) lower end pivotally attached goods leans on frame (2) and goods mounting (3), it is characterized in that: goods is coaxial hinged the waist three of car pony sill (4) by an end of the lower end of frame (2), goods mounting (3), be connected with crossbeam between two bow beams of car pony sill (4), be set with wheel disc (6) on axle that the bow beam two ends install respectively (8) and the axle (9), crawler belt (7) is set with on two wheel discs (6) of car pony sill (4) both sides.

2, according to the collapsible baggage car of the described crawler type of claim 1, it is characterized in that: goods is by being equipped with two joint pivotally attached supportings (5) up and down between frame (2) and the car pony sill (4), the upper end of supporting (5) and goods are hinged by the waist of frame (2), and the bow beam waist of lower end and car pony sill (4) is hinged.

3, according to the collapsible baggage car of the described crawler type of claim 1, it is characterized in that: car pony sill (4) is the car pony sill of band arc reinforced rib, the bow subordinate side of bow beam is connected with arc reinforced rib (15), reinforced rib (15) is provided with the locator card pin-and-hole, by the positioning clamping pin (16) of goods by being set with spring and joining with spring in the lower end pipe of frame (2) that hollow tubular is made, goods is equipped with the backguy of joining with spring by in the hollow tubular of frame (2).

4, according to the collapsible baggage car of the described crawler type of claim 1, it is characterized in that: crawler belt (7) is a pipe shape chain link crawler belt, form by tubular rubber cover tire (13), pipe shape chain link (12), chain link connecting strap (10) and pin (11), pipe shape chain link (12) is interconnected to chain link with chain link connecting strap (10) by pin (11) and is installed in the tubular rubber cover tire (13), pipe shape chain link (12) is band pin-and-hole and the horizontal pipe shape that cracks, the angle, two ends of the side of cracking is a circular arc, and opposite side on the other side and two ends are and are square.

6, according to the collapsible baggage car of the described crawler type of claim 1, it is characterized in that: crawler belt (7) is a flute profile chain link crawler belt, flute profile chain link (19) connects into link-like by pin (18), or in the Baltimore groove of endless track the setting-in rubbery cover tyre, the angle, notch two ends of flute profile chain link (19) is a circular arc, and bottom land and both sides are rectangular in shape.

7, according to the collapsible baggage car of the described crawler type of claim 1, it is characterized in that: crawler belt (7) is replaceable to be belt.

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