CN201923184U

CN201923184U - Portable shopping trolley capable of climbing stairs

Info

Publication number: CN201923184U
Application number: CN2010206825984U
Authority: CN
Inventors: 董有水
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2011-08-10
Anticipated expiration: 2020-12-27

Abstract

The utility model provides a portable shopping trolley which can be folded and disassembled, and is convenient to travel through stairs, aiming at overcoming defects of shopping trolleys in the present market. Particularly, the utility model provides the portable shopping trolley capable of climbing the stairs comprises a basket body, a push rod and caster wheels, wherein the basket body comprises a plurality of basket rings which are not connected with each other, and supporting rods located at the front side and the rear side of the basket body and used for connecting the basket rings; the basket rings penetrate through the supporting rods, and can rotate in the supporting rods; the push rod is a 'U'-shaped rod; two arms of the push rod incline downwards, and are connected with two sides of the basket body; the two arms of the push rod and the basket rings of the bottom end of the basket body are connected through foldable connecting rods; and rear caster wheels comprise rear caster wheel frames similar to a triangle, and rotating wheels located at three angles of the rear caster wheel frames. The portable shopping trolley capable of climbing the stairs is convenient to fold and disassemble; the forward movement can be completed on the stairs by using the design of the rear caster wheels, so that the physical strength is saved; moreover, the portable shopping trolley has a broad application prospect.

Description

A kind of portable climbing stairs shopping cart

Technical field

The utility model relates to a kind of shopping cart, and is especially a kind of portable, can fold and dismantle, and can drag the shopping cart of walking on stair.

Background technology

Common in the market shopping dolly, volume ratio is bigger, goes out shopping or do shopping to finish, be inconvenient to when returning the dwelling carry, and most shopping cart do not have folder function, even if some shopping cart that can fold, volume after folding is bigger, is unfavorable for carrying and depositing.In addition, existing shopping cart majority all is not easy to pull on stair and promote, and when sometimes downstairs doing shopping, takes down easily, but brings back just very inconvenient more upstairs.

Summary of the invention

The utility model promptly is the above-mentioned defective that exists at shopping cart in the market, provides a kind of portable, collapsible and dismounting, and be convenient to the shopping cart that moves ahead by stair.

Specifically, a kind of portable climbing stairs shopping cart described in the utility model comprises basket, push rod and castor, it is characterized in that:

1, basket comprises several mutual disjunct basket circles and is positioned at the strut bar that both sides, basket front and back couple together the basket circle, and the basket circle passes strut bar and can rotate in strut bar, and the basket circle of the bottom is provided with grid;

2, push rod is " U " type bar, the oblique below of two arms of push rod is connected with the both sides of basket, basket circle push rod two arms and the basket top is connected by rotating shaft, be provided with front wheel spindle between the end of push rod two arms, push rod two arms are connected by folding connecting rod with the basket circle of basket bottom, connecting rod one end is hinged on the basket circle of bottom, and the other end is hinged on the front wheel spindle;

3, castor is divided into former and later two parts, and front truckle is inserted in the end of push rod two arms;

4, rear truckle comprises subtriangular rear foot wheel carrier and is positioned at the runner at three angles of rear foot wheel carrier, be provided with hind axle between two rear truckles, hind axle inserts in the rear foot wheel carrier, and rear foot wheel carrier can be that rotate in the axle center with the hind axle, and hind axle is connected with the end of the strut bar that is positioned at the basket rear side.

Described a kind of portable climbing stairs shopping cart is characterized in that: described hind axle is respectively equipped with the sleeve pipe that is enclosed within on the hind axle with the outside that is positioned at the strut bar junction of basket rear side.The effect of sleeve pipe is the outside that is stuck in hind axle and strut bar junction, prevents that hind axle from slidably reciprocating.

Described a kind of portable climbing stairs shopping cart, it is characterized in that: the material of described sleeve pipe is PVC.

Described a kind of portable climbing stairs shopping cart is characterized in that: two ends of described hind axle are provided with groove, and the outside of rear foot wheel carrier and hind axle junction are provided with the draw ring that matches with groove.Pull on draw ring from the outside of rear foot wheel carrier, draw ring is connected in the groove, thereby rear truckle can be stuck in the hind axle two ends, prevent the rear truckle slippage; When needs are dismantled, push back draw ring, just can be with rear truckle by taking off on the hind axle.

Described a kind of portable climbing stairs shopping cart is characterized in that: the diameter of the basket circle of described basket top and bottom is greater than the diameter of basket middle part basket circle.

Described a kind of portable climbing stairs shopping cart is characterized in that: described push rod is connected by activity clencher with basket top basket circle.

Described a kind of portable climbing stairs shopping cart, it is characterized in that: the middle part of described push rod is with the rubber handle.Be convenient to the described shopping cart of push-and-pull.

Described a kind of portable climbing stairs shopping cart is characterized in that: the material of described basket circle and push rod is a corrosion-resistant steel.

Described a kind of portable climbing stairs shopping cart, it is characterized in that: described front truckle is a cardan wheel.

A kind of portable climbing stairs shopping cart described in the utility model has following advantage:

1, rear truckle is rear foot wheel carrier and the structure that has three runners, and rear truckle can be the axle rotation with the hind axle, and when dragging the shopping cart stair activity, the runner that is positioned at three angles of rear foot wheel carrier can rotate support successively like this, the action of going downstairs in the realization;

2, can fold, the basket circle can rotate at the strut bar that is positioned at both sides, basket front and back, when folding, packs up the connecting rod that connects bottom basket circle and push rod, and whole basket is just folded up, and is easy to carry;

3, can arbitrarily dismantle, the front truckle of described shopping cart is the bottom that is inserted in push rod, and rear truckle is the groove clamping by draw ring and hind axle two ends, and the front and back castor all can be unloaded down easily and fast, and whole dismounting process do not need the welding, time saving and energy saving;

4, when not doing shopping, can stand after folding, do not need to rely on other objects, save the space, be convenient to place.

Description of drawings

Fig. 1 is the perspective view of a kind of portable climbing stairs shopping cart described in the utility model;

Fig. 2 is the structural representation of the rear truckle of a kind of portable climbing stairs shopping cart described in the utility model;

Fig. 3 is the basket circle of a kind of portable climbing stairs shopping cart described in the utility model and the connection structure scheme drawing of strut bar;

Fig. 4 is the local section structural representation of the hind axle of a kind of portable climbing stairs shopping cart described in the utility model;

Fig. 5 is the scheme drawing after the folding of a kind of portable climbing stairs shopping cart described in the utility model;

Wherein, 1 is that basket, 2 is groove for sleeve pipe, 45 for draw ring, 44 for runner, 43 for rear foot wheel carrier, 42 for hind axle, 41 for front wheel spindle, 40 for handle, 21 rotating shafts, 30 for connecting rod, 20 for strut bar, 12 for basket circle, 11 for rear truckle, 10 for front truckle, 4 for push rod, 3.

Attached body embodiment

Be described below in conjunction with the 26S Proteasome Structure and Function state of accompanying drawing a kind of portable climbing stairs shopping cart described in the utility model; purpose is better to understand technology contents of the present utility model for the public; rather than to the restriction of described technology contents; in fact; in invention spirit described in the utility model; increase and decrease, replacement and the improvement that corresponding construction is carried out all is that persons skilled in the art need not performing creative labour and can obtain, therefore all within the claimed technical scheme of the utility model.

As shown in Figure 1, a kind of portable climbing stairs shopping cart described in the utility model, comprise basket, push rod and castor, wherein, basket is the place of placing kinds of goods, comprises several mutual disjunct basket circles 10 and is positioned at the strut bar 11 that both sides, basket front and back couple together basket circle 10, strut bar 11 is a montant, each two of front and back sides, certainly, the number of strut bar 11 also can be one or more; Basket circle 10 passes strut bar 11 and can rotate (as shown in Figure 3) in strut bar 11, and the basket circle 10 of the bottom is provided with grid, and the material of basket circle 10 is a metal, preferred corrosion-resistant steel; Push rod 2 is " U " type bar, the oblique below of two arms of push rod 2 is connected with the both sides of basket, basket circle 2 liang of arms of push rod and the basket top 10 is connected by rotating shaft 21, be provided with front wheel spindle 30 between the end of 2 liang of arms of push rod, 2 liang of arms of push rod are connected by folding connecting rod 12 with the basket circle of basket bottom, connecting rod 12 1 ends are hinged on the basket circle of bottom, and the other end is hinged on the front wheel spindle 30; Castor is divided into former and later two parts, and front truckle 3 is inserted in the end of 2 liang of arms of push rod, and as the utility model preferred embodiment, front truckle 3 can be a cardan wheel, and especially universal quiet the wheel can have the end of 2 liang of arms of push rod to insert and extract easily; As shown in Figure 2, rear truckle 4 comprises subtriangular rear foot wheel carrier 41 and is positioned at the runner 42 at 41 3 angles of rear foot wheel carrier, be provided with hind axle 40 between two rear truckles 4, hind axle 40 inserts in the rear foot wheel carrier 41, rear foot wheel carrier 41 can be that rotate in the axle center with hind axle 40, hind axle 40 is connected with the end of the strut bar 11 that is positioned at the basket rear side, also is provided with on the rear foot wheel carrier 41 to cooperatively interact with hind axle 40, rear truckle 4 is connected to the draw ring 43 at hind axle 40 two ends.

As shown in Figure 4, described hind axle 40 is respectively equipped with the sleeve pipe 44 that is enclosed within on the hind axle 40 with the outside that is positioned at strut bar 11 junctions of basket rear side, the effect of sleeve pipe 44 is the outsides that are stuck in hind axle 40 and strut bar 11 junctions, prevents that hind axle 40 from slidably reciprocating; Can also be provided with groove 45 at two ends of described hind axle 40, the outside of rear foot wheel carrier 41 and hind axle 40 junctions are provided with the draw ring 43 that matches with groove 45, pull on draw ring 43 from the outside of rear foot wheel carrier 41, draw ring 43 is connected in the groove 45, thereby rear truckle 4 can be stuck in the two ends of hind axle 40, prevent rear truckle 4 slippages; When needs are dismantled, push back draw ring 43, just can be with rear truckle 4 by taking off on the hind axle 40.

Fig. 5 is the shape scheme drawing after the folding of a kind of portable climbing stairs shopping cart described in the utility model, packs up connecting rod 12, just basket 1 and push rod 2 can be folded up, and also front truckle 3 and rear truckle 4 can be disassembled; Shopping cart after packing up because the support of front and back castor can't be fallen, need not to support.

A kind of portable climbing stairs shopping cart described in the utility model can fold and dismantle easily, can finish the action that moves ahead on stair, has saved muscle power, has broad application prospects.

Claims

1. a portable climbing stairs shopping cart comprises basket, push rod and castor, it is characterized in that:

1) basket comprises several mutual disjunct basket circles and is positioned at the strut bar that both sides, basket front and back couple together the basket circle, and the basket circle passes strut bar and can rotate in strut bar, and the basket circle of the bottom is provided with grid;

2) push rod is " U " type bar, the oblique below of two arms of push rod is connected with the both sides of basket, basket circle push rod two arms and the basket top is connected by rotating shaft, be provided with front wheel spindle between the end of push rod two arms, push rod two arms are connected by folding connecting rod with the basket circle of basket bottom, connecting rod one end is hinged on the basket circle of bottom, and the other end is hinged on the front wheel spindle;

3) castor is divided into former and later two parts, and front truckle is inserted in the end of push rod two arms;

4) rear truckle comprises subtriangular rear foot wheel carrier and the runner that is positioned at three angles of rear foot wheel carrier, be provided with hind axle between two rear truckles, hind axle inserts in the rear foot wheel carrier, and rear foot wheel carrier can be that rotate in the axle center with the hind axle, and hind axle is connected with the end of the strut bar that is positioned at the basket rear side.

2. a kind of portable climbing stairs shopping cart according to claim 1 is characterized in that: described hind axle is respectively equipped with the sleeve pipe that is enclosed within on the hind axle with the outside that is positioned at the strut bar junction of basket rear side.

3. a kind of portable climbing stairs shopping cart according to claim 2, it is characterized in that: the material of described sleeve pipe is PVC.

4. a kind of portable climbing stairs shopping cart according to claim 1 is characterized in that: two ends of described hind axle are provided with groove, and the outside of rear foot wheel carrier and hind axle junction are provided with the draw ring that matches with groove.

5. a kind of portable climbing stairs shopping cart according to claim 1 is characterized in that: the diameter of the basket circle of described basket top and bottom is greater than the diameter of basket middle part basket circle.

6. a kind of portable climbing stairs shopping cart according to claim 1 is characterized in that: described push rod is connected by activity clencher with basket top basket circle.

7. a kind of portable climbing stairs shopping cart according to claim 1, it is characterized in that: the middle part of described push rod is with the rubber handle.

8. a kind of portable climbing stairs shopping cart according to claim 1 is characterized in that: the material of described basket circle and push rod is a corrosion-resistant steel.

9. a kind of portable climbing stairs shopping cart according to claim 1, it is characterized in that: described front truckle is a cardan wheel.