RU2647824C1 - Fold cart for transportation in car baggage hold - Google Patents

Abstract

FIELD: transportation.

SUBSTANCE: invention relates to the field of manual transport, in particular to carts. Fold cart for transportation in baggage hold of car contains a skid with wheels, a basket and a handle, turned and detachable supports, electric drives, an accumulator battery and elements for manual control of electric drives. Supports are equipped with power planks and consist of scissor lifts. Rollers of intra-baggage hold shifting are fixed on the power plank of the detachable support. Castor wheels are equipped with locking mechanisms. Oblong handle is attached removably to the skid and to the basket.

EFFECT: reduced size of the cart in folded state.

8 cl, 4 dwg

Description

The invention relates to carts for transporting goods and can be used for transporting goods from the place of purchase to the vehicle of the buyer, for example a car, and transportation when folded in his trunk or body to the place of unloading the contents of the cart.

Known folding cart used for transporting purchases from store to car and from car to home [RU 2010128549/11, A, B62B 3/02, 01/20/2012], containing a lower tubular structure on which the container is mounted, while the structure is made of any material, preferably metal, sufficiently strong and light, and the container is made of any material, for example metal, plastic or other material, sufficiently suitable for its intended use, similarly light and strong, while m the design contains two parallel U-shaped sections that form guides suitable for placing rollers located in the lower part of the container, the guide rods have corresponding articulated joints at the ends that connect them to both side racks equipped with corresponding wheels in the lower part, and together with the third middle rack, pivotally connected to the side racks using the section provided in its center, with a wheel at its lower end, form a folding base of the trolley, top the central part of the rack is connected to a longitudinal rod located between the guide rods and, in turn, connected to them by the respective cross members, and the connection of the central rack with the rod is made through the cushion, which allows you to adjust the required height of the trolley with the help of a series recesses in the bar, which will fix the crawler in various predetermined positions.

The disadvantage of this device is the relatively high complexity, due to the fact that, in fact, the folding trolley consists of two devices, one of which, which is a container with support rollers, is designed to be mounted on the other, made in the form of a folding tubular structure with support wheels, moreover, folding the latter, the possibility of the container occupying the space inside the tubular structure is not provided. Thus, the absence of the possibility in the folded state together with the container to occupy one place in the vehicle is a significant drawback of this folding trolley.

There is also a trolley built into the trunk of a car, designed to collect and transport unit packs, mainly when shopping for goods in a supermarket [RU 2372236, C2, B62B 3/02, 10.11.2009], containing a cargo basket with legs, with piano-type wheels while the legs are pivotally attached to the load-bearing housing of the basket along its longitudinal axis and are folded into the niches of the cargo basket, and the trolley has additional rollers rigidly attached to the load-bearing basket of the basket to drive the basket into the bug the vehicle’s truck and additionally has a work table movably attached to the basket carrier, on which an electronic unit is located, including a device for reading the barcode of the package being loaded and a microprocessor for generating a list of barcodes, the processor being equipped with a port-connector for short-term connection to a cash settlement system supermarket to receive a check and cashless payment with an appropriate plastic card.

The disadvantage of this device is its relatively high complexity, due to the presence of a rarely used desktop, on which an electronic unit is located, including a device for reading the barcode of the loaded package and a microprocessor for generating a list of barcodes, the processor is equipped with a port-connector for short-term connection to the cash settlement system of the supermarket to receive a check and cashless payment with an appropriate plastic card, as well as the fact that this design requires ramps to drive the trolley into the trunk of the car, which, of course, complicates the use.

The closest in technical essence and the result achieved when using it is a folding trolley made with the possibility of loading into the vehicle and unloading from it [RU 161747, U1, B62V 3/02, B62B 3/12, 05/10/2016], containing a frame with supporting wheels and a container mounted inside the frame and connected to the frame pivotally, while the frame is rotatable around the axis when folding the trolley, and the trolley is equipped with a support in the form of a rod system that is pivotally connected to the tank and a wheel to reduce friction When turning the container.

The disadvantage of the closest technical solution is the lack of versatility - for each model of the car it must be implemented in individual sizes, taking into account the parameters of the trunk. The closest technical solution involves the end loading method and longitudinal placement in the trunk, for which a large trunk is required. At the same time, in a large number of modern cars, the dimensions of the trunk depth are almost 2 times smaller than the widths, while the latter dimensions vary significantly less, therefore, for the sake of versatility, the most optimal placement of the trolley in the trunk is the transverse one, carried out by using the side loading method. The known device is not suitable for loading and placement in a car trunk having a rear side and a loading height above average values. In addition, the known device requires physical effort to load in and unload from the trunk, which limits the useful weight of the cargo, increases the time of loading and unloading from the trunk of the car.

The problem to which the claimed invention is directed, is to create a universal folding carriage suitable for different cars from a large target selection, having relatively small dimensions when folded, allowing its use in cars with small luggage carriers with the possibility of quick folding and unfolding and loading and unloading from the trunk, including equipped with a side, without the application of great physical effort.

The required technical result is to ensure optimal lateral placement of the trolley in the luggage carriers of a large target sample of cars, reduce the dimensions when folded, while ensuring the possibility of quick folding, unfolding, loading and unloading from the trunk of a car, including a side, due to the implementation of the side (in difference from the end) method of loading and unloading, and the use of two basket lifting mechanisms with independent electric drives.

The problem is solved, and the required technical result is achieved by the fact that, in the folding trolley for transportation in the trunk of a car, containing a base frame with support wheels, a basket and a handle, according to the invention, a pivotable support and a detachable support are introduced, which are attached to the base frame having a rectangular shape, equipped with four piano-type wheels, two on each end side and a swivel mount in the form of a swivel joint with a lock and a detachable fastener with a lock with an actuator, electric drives, which are equipped with a swivel support and a detachable support, a rechargeable battery for powering the electric drives and elements of manual control of electric drives, while the swivel support is equipped with a power support pivotable support, a detachable support is equipped with a power support detachable support, on the power support plate of the detachable , pivotable support and detachable support consist of scissor lifting mechanisms formed by two assemblies, top whose elements are connected by a rotating rod with a screw thread connected to the upper elements of the scissor lifting mechanism via mating threaded bushings, and the upper corners of the upper and lower angles of the lower elements of the scissor lifting mechanism of the support detachable are connected by hinges to the power strip of the basket and to the power strip of the support detachable, respectively, at the pivot support, the upper corners of the upper elements of the scissor lifting mechanism are attached to the lower surface of the U-shaped bracket when hinges, and the lower corners of the lower elements of the scissor lifting mechanism are connected by hinges to the power strip of the pivot support, which is connected to the basket with a U-shaped bracket and telescopic guides in the upper part of the ends of the basket, while the piano-type wheels are equipped with locking mechanisms, and the rectangular handle is removably attached to the base frame and basket.

The drawing shows:

in FIG. 1 - folding trolley for transportation in the trunk of a car, general view from the side of the support being disconnected;

in FIG. 2 - the same, from the side of the support rotated;

in FIG. 3 - sequence of loading into the trunk of a car;

in FIG. 4 - sequence of unloading from the trunk of a car.

The folding cart for transportation in the car trunk contains a basket 1, a pivoting support 2, a detachable support 3, a swivel joint 4, a pivot support bracket 5, a fastening element 6, a detachable support bracket 7, a base frame 8, four wheels 9 of a piano type, a handle 10 , two separate electric drives 11, a battery 12, an element 13 for manual control of electric drives, a locking mechanism 14, telescopic rails 15.

The rotatable support 2 is provided with a power strip 16 of the rotatable support, the detachable support 3 is equipped with a power strip 17 of a detachable support, and the rollers 18 of the luggage movement are fixed on the power strip 17 of the detachable support.

The rotary support 2 and the detachable support 3 comprise a scissor lifting mechanism formed by two assemblies 19, the upper elements of which are connected to a drive rod 20 with a screw thread, through mating threaded bushings.

At the rotary support 2, the upper corners 21 of the upper elements of the scissor lifting mechanism are connected to the lower surface of the U-shaped bracket 22 by means of hinges, the lower corners 23 of the lower elements of the scissor lifting mechanism 19 are connected by hinges 24 to the power strip 16 of the rotatable support.

The basket 1 has on the end sides of the bevels 25 at the bottom, made in such a way that the length of the basket 1 at the bottom is less than the length of the basket 1 at the top. Bevels 25 increase the convenience of loading the basket into the trunk of the car, since most cars have a trapezoidal shape of the luggage compartment opening. The bevels 25 also serve to fasten the handle 10 in the transport position: on the sides of the handle 10 in the area of abutment to the bevel 25 there are latches, on the bevels 25 - mating

The swivel support 2 is attached to the basket 1 by means of telescopic guides 15, the inner extendable part of which is attached to the basket 1, and the outer wide part is attached to the inner parts of the side levers of the U-shaped bracket 22 of the swivel support 2.

The detachable support 3 contains rollers 18 of the inner luggage movement and a similar scissor lifting mechanism formed by two assemblies 19, the upper elements of which are connected to the drive rod 20 with a screw thread, through mating threaded bushings, and the upper corners 21 of the upper and lower corners 23 of the lower elements of the scissor lifting the mechanism formed by the two assemblies 19 are connected respectively to the power strip 26 of the basket 1 and to the power strip 17 of the support detachable 3 using hinges 24.

The electric motors of the electric drive 11 are connected on the one hand to the drive rod 20 by means of a mechanical transmission, and on the other hand, to the side wall of the basket 1 on the support 3, which is detachable and to the U-shaped bracket 22 on the support 2, rotated by runners that allow the movement of the motors in a vertical direction.

To mechanize the movement of the basket 1 on the rollers 18 of the inside luggage movement (Fig. 3, Fig. 4), the design provides an electric drive wheel 27 placed on the support 3 detachable, the lower part of which is on par with the lower parts of the rollers 18 or slightly lower.

In order to implement the semi-automatic functioning of the mechanism, a design with a programmable controller can be provided located in the manual control element 13, two electronic rod rotation counters connected to it, one for each drive rod 20, electromagnetic actuators of the latches 5 and 7 of the supports, electronic sensors horizontal level, connected together with the electric drive-wheel 27 and the battery 12 with one electric circuit. The process control function can be performed by a smartphone connected to the controller by a wired or wireless method with the control program installed in it.

In order to protect the car bumper from scratches and achieve aesthetic appeal, the support 2 is rotatable and the support 3 detachable is covered with covers made of neoprene, lycra or other elastic and durable material, which can be applied to.

Position 28 (Fig. 3) illustrates the loading order of the folding trolley in the trunk of the car, and position 29 (Fig. 4) unloading.

The dimensions of the basket 1 are limited by height — by the height of the opening of the open trunk of the target sample of sedans, by length — by the width of the opening of the open trunk of the target sample of sedans, and by depth — by the depth of the luggage compartment of the target sample of small cars with a hatchback body. The total height of the base frame 8 and wheels 9 does not exceed the clearance under the rear axle of the target sample of small cars.

Used folding trolley for transportation in the trunk of a car as follows.

Loading (Fig. 3) is carried out in the following order.

1. The basket 1, which is in the transport position, is brought in by a support 3 detachable close to the rear bumper of the car and centered along the opening of the open trunk, the handle is disconnected from the bevel 25 of the basket end and folded into the base frame 8 (position 28, a).

2. If the basket 1 is below the loading height, then due to the rotation of the electric drives 11 of the support 2 of the swivel and support 3 of the detachable basket 1 is set to such a height that its bottom is slightly higher than the loading height of the car trunk (position 28, b).

3. The latch of the detachable support 3 is disconnected, after which, due to the rotation of the electric drive 11, the detachable support 3 is shortened, rising to a level at which the rollers 18 are located above the loading height of the car trunk and above the bottom of the basket 1 (position 28, c).

4. The folding trolley manually moves forward so that the detachable support 3 moves deeper into the trunk of the car, the base frame 8 goes under the car, and the swivel support 2 approaches the car’s rear bumper, but does not touch it, after which the trolley is secured by locking elements (position 28, g).

5. Due to the rotation of the electric drive 11, the support 3 detachable lowers to the floor level of the trunk of the car and stands on the rollers 18 (position 28, d). If necessary, if the car gives a strong shrinkage, the support 3 swivels slightly lowered to reach a horizontal position.

6. The basket 1, together with the detachable support 3, moves deeper into the trunk of the car, while the support 2 which is rotated remains in place by extending the telescopic ball guides 15 to the required length (position 28, e).

7. Due to the synchronous rotation of the electric drives 11 of both supports, the basket 1 is lowered into the trunk of the car (position 28, g).

8. Due to the application of force to the rotatable support 2, the ball guides 15 extend to the maximum length, pushing the support 2 rotatable from the bumper of the car, after which the latch 5 of the rotary hinge is unlocked and the actuator 11 raises the support 2 rotatable to a height at which the hinge 4 is higher loading height (position 28, h). In this case, the base frame 8 changes position to vertical.

9. The hinge 4 of the support 2 rotatable folds, the ball guides 15 are shortened and the base frame 8 takes a position at the side surface of the basket 1 inside the trunk of the car. If necessary, the support 2 rotatable falls below the side of the car trunk until the hinge 4 touches the bottom wall of the car trunk (position 28, and). Loading completed.

Unloading (Fig. 4) is carried out in the reverse order:

1. If necessary, the support 2 rotated rises above the side of the trunk of the car. Ball guides 15 are moved apart, the hinge of the support 2 rotatable unfolds and the base frame 8 takes a vertical position (position 29, a).

2. The rotation of the electric drive 11 lowers the support 2 rotatable, while the base frame 8 changes position from vertical to horizontal (position 29, b).

3. At the end of lowering the base frame 8, when all four wheels 9 stand on the floor, the latch of the swivel joint 4 fixes this position. The support 2 rotatable moves to the rear bumper of the car, the locking mechanism 14 is activated (position 29, c).

4. Due to the synchronous rotation of the electric drives And the support 2 rotatable and the support 3 detachable raise the basket 1 so that its bottom is higher than the loading height of the car trunk (position 29, g).

5. Due to the application of force, the basket 1 together with the detachable support 3 moves towards the rear side of the car trunk, the support 2 being rotated remains in place by shortening the telescopic ball guides 15 to the required length (position 29, d). If necessary, if the car rises substantially, the support 2 rotated also rises slightly to reach a horizontal position.

6. Due to the rotation of the electric drive 11, the support 3 detachable rises so that the rollers 18 are above the loading height (position 29, e).

7. The trolley manually moves in the direction away from the car trunk so that the detachable support 3 completely extends beyond the rear bumper of the car (position 29, g).

8. Due to the rotation of the electric drive 11, the detachable support 3 is extended, falling to the level of the base frame 8. The latch of the support 3 detachable to the base frame 8 is fixed, fixing the folding carriage structure (position 29, h).

9. Due to the synchronous rotation of the electric drives 11 of both supports, the basket 1 is brought into transport position. The handle 10 is removed from the grooves of the base frame 8 and attached to the bevel of the end face 25 of the basket (position 29, and).

Unloading completed.

Since all parameters and the sequence of actions are measured for each car model individually, a semi-automatic loading algorithm can be implemented by programming the parameters of raising and lowering the supports, the moments of operation of the electromagnetic drives of the latches 5 and 7, and also by moving the basket with the electric drive inside or inside the trunk .

Thus, manually it will be necessary to do a minimum of actions.

The proposed technical solution creates significant convenience for the buyer, in particular, eliminates the need to search for a shopping trolley and return it to its place, its own trolley accelerates and facilitates the process of paying for purchases in the store, when unloading goods onto the cash register, the basket can be lifted to a convenient height. no need to put purchased goods in packages, loading in the trunk of a car is accelerated and facilitated, since there is no need to shift and place packages in the trunk, during transportation ovars are in the basket, and do not move around the trunk, accelerates the delivery of purchases to the apartment, because you don’t need to go up and down several times with purchases, you can not park directly at the entrance, you can visit a nearby store without a car and there is no need to look for parking at the store.

There are also advantages for the store, since there is no need to service, disinfect, repair and replace the trolleys, savings are achieved on the labor of collectors and transporters of the trolleys, there is an increase in sales, because the purchase is made faster, the store can serve more customers, the parking space is freed up, which occupied by shopping carts, there is no need for disposable bags.

There are also advantages for the manufacturer - due to the universality of the design, the trolleys can be produced not individually for each car model, but in 2-3 sizes covering different target samples of cars.

Thus, the proposal achieves the required technical result, which consists in the optimal lateral placement of the trolley in the luggage carriers of a large target sample of cars, reducing the dimensions when folded, while ensuring the possibility of quick folding, unfolding, loading and unloading from the trunk of a car, including a side for due to the implementation of the lateral (as opposed to the end) method of loading and unloading and the use of two basket lifting mechanisms with independent electric drives.

Claims (8)

1. Foldable trolley for transportation in the trunk of a car, comprising a base frame with wheels, a basket and a handle, characterized in that the pivot support is introduced and the support is detachable, which are attached to the base frame, which has a rectangular shape, equipped with four two-wheel type piano wheels on each end side and with a swivel mount in the form of a swivel joint with a latch and a detachable fastener with a latch, the electric drives with which the swivel support and the detachable support are equipped, the battery The main battery for powering the electric drives and the elements of manual control of the electric drives, while the pivot bearing is equipped with a power bracket of the pivot support, the detachable support is equipped with a power bracket of a detachable support, the rollers of the inner luggage movement are fixed on the power bracket of the support detachable, the pivot bearing and the detachable support are made up of a knife; formed by two assemblies, the upper elements of which are connected by a rotating rod with a screw thread connected to the upper scissor lifting mechanism elements through bushings with a reciprocal thread, and the upper angles of the upper and lower angles of the lower elements of the scissor lifting mechanism of the detachable support are connected by hinges to the power bar of the basket and to the power bar of the support detachable, respectively, at the support rotated upper corners of the upper elements of the scissor lifting mechanism attached to the lower surface of the U-shaped bracket using hinges, and the lower corners of the lower elements of the scissor lifting mechanism are attached to and using hinges to the power strip of the pivotable support, the pivotable support is attached to the basket using a U-shaped bracket and telescopic guides in the upper part of the ends of the basket, while the piano-type wheels are equipped with locking mechanisms, and the rectangular handle is removably attached to the base frame and basket . 2. Foldable trolley for transportation in the car trunk according to claim 1, characterized in that the basket is in the form of a parallelepiped, the bevels are made at the bottom sides, so that the length of the basket from below is less than the length of the basket from above, and the handle in the transport is attached to the bevel planes position, on the sides of the handle in the area of contact with the bevel are clamps, mating holes on the bevels. 3. Foldable trolley for transportation in the car trunk according to claim 1, characterized in that the rollers for inside luggage movement are supplemented by an electric wheel-drive connected to the manual control element, which provides torque for moving the support detachable inside the trunk and in the opposite direction. 4. Foldable trolley for transportation in the trunk of a car according to paragraphs. 1 and 3, characterized in that the manual control element is supplemented by a programmable controller located in the manual control element, two electronic counters of rotation of the rod connected to it, one for each drive rod, electromagnetic drives of the latches of the support of the pivotable and the support detachable, electronic sensors horizontal level, combined with the electric drive-wheel and the battery in one electrical circuit. 5. Foldable trolley for transportation in the trunk of a car according to paragraphs. 1 and 4, characterized in that the manual control element is configured to be controlled by a smartphone with a control program installed therein. 6. Foldable trolley for transportation in the trunk of a car according to claim 1, characterized in that the basket is made of plastic with through curly cutouts forming a repeating pattern. 7. Foldable trolley for transportation in the car trunk according to claim 1, characterized in that the support is rotatable and the support is detachable enclosed in covers made of elastic fabric. 8. Foldable trolley for transportation in the trunk of a car according to paragraphs. 1, 7, characterized in that as elastic fabric use neoprene or lycra.

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