RU2646019C1 - Trolley and loading and unloading mechanism - Google Patents

Abstract

FIELD: vehicles.

SUBSTANCE: group of inventions refers to the field of manually driven vehicles, in particular to trolleys. Trolley loaded into the luggage compartment of the car contains a support frame, a support post hingedly connected to the wheeled chassis, and a user's handle. User's handle is connected to the support post. On the support frame is fixed a linear guide of the fixing elements together with the support post and the handle. Chassis is equipped with hingedly attached to it expanders with wheels attached to them. Support elements are attached to the support frame for engagement with a frame of the loading and unloading mechanism. Loading and unloading mechanism is made in the form of a fastening frame fixed on the hard floor of the trunk, with an installed swivel mount with a boom rigidly attached to it. Grabbing frame hinged to the boom has the ability to move up or down relative to the boom.

EFFECT: reduction in the physical load of the user for the delivery of goods from the trolley to the luggage compartment of the car is achieved.

5 cl, 7 dwg

Description

The invention relates simultaneously to manually driven vehicles, more specifically handcars, as well as jib cranes attached to conventional vehicles, and the field of production of auxiliary accessories for passenger cars.

Existing needs

There are needs to reduce the time and physical load of the user for the delivery of various goods from the place of loading to the car, the operations of loading goods into the luggage compartment, their transportation, followed by unloading of goods from the luggage compartment and their delivery to the place of unloading.

Existing problems

There is a problem of creating a trolley that enables the delivery of goods using various devices, including, but not limited to, such as: a customer’s basket, a travel suitcase, a box for instruments and tools, an insulated container, an automobile refrigerator, containers for transporting bulk materials and glass containers and many others.

There is also the problem of creating a trolley that will be loaded into most of the existing vehicles with various types of luggage compartments, differing in the location of the luggage compartment floor relative to the loading plane, such as: a direct floor along the entire plane of the luggage compartment, raised floor and recessed floor, as well as their forms and overall dimensions, such as: complex forms, transformable, small-sized and others.

There is also the problem of creating a trolley that, when folded, will occupy a small volume in the luggage compartment of the car.

State of the art

In the prior art, folding shopping baskets are most known, which can be loaded into the luggage compartment of a car, both with the removal of goods from baskets before loading, and with goods inside the baskets. From the source RU 2372236, cl. B62B 3/02, publ. November 10, 2009, a folding trolley is known, which can be loaded into the luggage compartment of the car with the help of auxiliary equipment - two ramps that are fixed in the trunk of the car.

Closest to the claimed invention is a trolley (EP 1180463 A1, CL B62B 3/02, publ. 02.20.2002), loaded into the luggage compartment of the car, containing a fixed folding basket mounted on a support frame, on the long sides of which linear guides are placed support racks pivotally connected to the wheeled chassis, and the handle of the user. This trolley is loaded into the luggage compartment of the car using the muscular strength of the user, in addition, it does not allow the use of various devices for placing goods.

The main disadvantages of the prior art

As a rule, existing carts designed to carry goods in the luggage compartment of cars, known from the prior art, are oriented to a certain type of luggage compartment: this is usually a flat floor over the entire surface of the trunk. The use of such trolleys in other types of luggage compartments is not provided.

The presence of various elements that are often used in the luggage compartment of cars, such as all kinds of sills, lining, side panels and more, makes it difficult to use trolleys known from the prior art. Limited amounts of luggage compartments of modern cars, especially small ones, are not taken into account. The possible difficulties of loading / unloading existing carts in cases where it is impossible to park the car on a flat surface, for example, when tilting the car, are not taken into account.

In the case of using trolleys known from the prior art, they are driven in / out into / out of the luggage compartment of a vehicle by means of the muscular strength of the user; accordingly, the reduction of time and physical load is not enough, in addition, it may be unsafe. Also, the operation of rolling in / out of the trolley can lead to damage to the coatings of the luggage compartment of the car.

Summary of the invention

A technical problem is the elimination of these shortcomings. The technical result of the invention is to reduce the time and physical load of the user for the delivery of various goods from the place of their loading into the carriage to the car, the operations of loading goods into the luggage compartment, their transportation, followed by unloading of goods from the luggage compartment and their delivery to the place of unloading, as well as in providing the possibility of delivery of goods using a wide range of devices for their transportation and its use for most types of luggage compartments of cars.

The problem is solved, and the technical result is achieved by the fact that in the trolley loaded into the luggage compartment of the car, containing the support frame, at least one support stand articulated to the wheel chassis and a user handle that is connected to the support stand by means of a movable mounting element, at least one linear guide of fastening elements is fixed on the support frame together with the support column and handle, the chassis is equipped with expanders pivotally attached to it with wheels attached to them, in the folded position, the support strut is located along the support frame, and the chassis is parallel to the short side of the support frame, the expanders are folded so that the wheels are located along the support frame, and when unfolded, the support strut is set at an angle to the supporting frame in the most stable position, while the chassis with the extenders expanded is also located at an angle to the supporting rack, and receiving elements are rigidly attached to the supporting frame for engagement the frame pogruzorazgruzochnogo mechanism. Folding and unfolding the trolley is carried out by moving the fastener along the support frame. At least two wheels of the wheeled chassis are made of a piano type.

The unfolded trolley in working condition provides a stable rolling position, safety and ease of operation for the user, as well as the ability to install on the support frame a wide range of devices for transporting goods, including, but not limited to, such as: customer’s trolley, travel suitcase, box for appliances and tools, an insulated container, a car refrigerator, a container for transporting pets and many others carried in the luggage compartment of a car in loaded without the need for cargo overload, as well as various devices that can be transported in the luggage compartment of the car when folded, designed to transport people, including, but not limited to, such as: cot, baby stroller, wheelchair for people with disabilities movement.

The problem is solved, and the technical result is achieved by the fact that the loading and unloading mechanism is made in the form of a mounting frame mounted on a rigid floor of the trunk, with a pivot bearing mounted on it with an arrow rigidly attached to it, which when turning turns out of the box and the dimensions of the car, while the gripping frame pivotally mounted on the boom has the ability to move up or down relative to the boom and is adapted to engage with the receiving elements of the trolley for taking on its weight with the subsequent transfer of the trolley when folded into the trunk of the car with a reverse rotation of the boom.

Brief Description of the Drawings

The proposed device is illustrated by drawings.

For simplicity and clarity of illustration, the elements shown in the drawings are not necessarily drawn to scale. For example, the dimensions of some elements may be exaggerated relative to other elements for clarity. In addition, reference numerals may be repeated in the figures to indicate corresponding or similar elements.

In FIG. 1 shows a side view of a trolley when folded, intended for transportation, engaged with a loading mechanism, and a side view of a trolley when unfolded in operating condition.

In FIG. 2a presents images of a trolley folded in a state of transportation: side views, top and left.

In FIG. 2b presents images of the trolley folded in the storage state: side views, top and left.

In FIG. 2c shows the images of the trolley in the unfolded form in working condition: side views, top and left.

In FIG. 2g presents the types of implementations of wheeled chassis with various types of expanders.

In FIG. 3 presents the composition of devices for the transport of goods for picking carts.

In FIG. 4 shows the loading mechanism: side views, top, left and right.

In FIG. 5 shows the layout of the trolley in the luggage compartment of the vehicle.

In FIG. 6 shows the types of support frames of the loading and unloading mechanism.

In FIG. 7 is a diagram of all technological operations of loading a trolley into the luggage compartment of a vehicle.

Detailed Description of Preferred Option

The trolley is made of any material, preferably metal, plastic or composite materials.

In the drawings and / or in the description, the following reference numerals are further mentioned: 1 — support frame; 2 - skids of the supporting frame; 3 - bracket frame support; 4 - guide linear movement of the frame supporting; 5 - receiving element of the loading mechanism; 6 - a stopper a clamp; 7 - movable fastener; 8 - bracket handle user; 9 - user pen; 10 - support stand; 11 - fastening of the guide rack support; 12 - guide rack support; 13 - mounting element of the chassis; 14 - wheeled chassis; 15 - extender chassis wheeled; 16 - wheel; 17 - frame mounting the cargo container; 18 - a cargo container; 19 is an element of quick fastening; 20 - rack loading mechanism; 21 - a rotary flange; 22 - arrow; 23 - mount; 24 - screw; 25 - emphasis of the frame; 26 - guides; 27 - frame; 28 - capture; 29 - support; 30 - a support pillow; 31 - receiving guide; 32 - electric motor; 33 - element mounting rack loading mechanism; 34 - an element of the installation of the loading mechanism; 35 - fixing strut; 36 - support latch.

As shown in FIG. 1, the trolley consists of a support frame 1, which, depending on the embodiments, is a welded or prefabricated p-shaped rigid structure, the long sides being profiled for installing linear guides 4, and receiving elements 5 are rigidly attached to the free ends of the long sides of the frame 1 for engagement with the loading mechanism. As the receiving element 5 can be used, for example, a bracket. The skids 2 of the support frame are pivotally attached to the support frame 1, so that when unfolded they form a loading plane with receiving elements 5, and when folded, they can be folded into the frame. The bracket 3 of the supporting frame is attached to the supporting frame and makes it rectangular to provide additional rigidity to the entire structure. The guide rails 4 of the support frame can be of various designs depending on the particular embodiment of the invention, for example, a ball screw transmission (ball screw) or guides of various designs that are rigidly attached to the support frame 1. When using the ball mechanism as a guide 4, it is possible to provide automatic folding and unfolding carts, providing rotation of the screw with an electric drive. On the guides 4, a movable fastener 7 is fixed, which has the ability to move along the long side of the support frame 1. To the movable fastener 7 are pivotally connected the bracket 8 of the user handle with the user handle 9 attached to it and at least one support leg 10, which have the ability to rotate at certain angles. The movement of the movable fastening element 7 is limited by the stopper latch 6, which ensures the fixation of the position of the movable element 7 in the extreme position and the angle of rotation of the support post 10 relative to the support frame 1. The trajectory of the support post 10 is defined by the guide 12 of the support post, mounted on the support frame 1 in the guide mount 11 12 racks supporting. On the other hand, a chassis fastener 13 is attached to the support post 10, which can be rotated by a certain angle to the support post 10 and fixed in this position; a wheeled 14 chassis is pivotally attached to it, which is a rigid H-shaped frame with pivotally fixed to it four expanders 15 of the chassis of the wheeled 14, to which the wheels 16 are attached. At least two wheels, front or rear, must be of a piano (floating) type, to facilitate maneuvering. On the support frame 1 by means of connectors providing reliable fastening and quick effortless removal, the frame of the cargo container 17 with the folding cargo container 18 fixed on it is attached.

As shown in FIG. 2a, when the movable fastener 7 is positioned in the extreme position from the stopper of the latch 6 on the support frame 1, the trolley is folded in the transport position, while the support legs 10 are located along the long sides of the support frame 1, while the wheeled chassis 14 is vertically along the short side of the support frame 1, and the expanders of the wheeled chassis are in the folded state, setting the wheels depending on the particular implementation of the product over the long or short side of the support frame 1.

As shown in FIG. 2b, when the movable fastener 7 is located in the extreme position from the stopper of the latch 6 on the support frame 1 with the frame 17 of the fastening freight container with the folding freight container 18 fixed thereon, the trolley is folded in the storage position, while the wheeled chassis 14 is folded so that parts of the wheeled chassis 14 with expanders 15 and wheels are parallel to the plane of the frame of the support 1, and the bracket 8 of the user handle with the handle 9 is pressed against the frame of the support 1.

As shown in FIG. 2c, when the movable fastener 7 is in the extreme position in the stopper of the latch 6 on the support frame 1, the trolley is in the unfolded form in the working position, while the support racks 10 are set at a certain angle to the support frame 1 defined by the movable fastener 7, when this chassis wheeled 14 is also installed at a certain angle to the support strut 10, mounted by the mounting element 13 of the chassis so that the chassis wheeled 14 is mounted parallel to the frame of the support 1 in the most stable position, and the expanders of the wheeled chassis 15 with the wheels are folded so that the wheels provide rolling carts under the control of the user.

As shown in FIG. 2d, the product according to this invention, depending on the implementation, can be equipped with various types of wheeled chassis 14, which differ in the way the extenders 15 of the wheeled chassis are folded, so they can be rotary (a), retractable (b), folding (c) or combined (d) .

It is also possible the embodiment of the claimed invention with only one support strut 7. To ensure rigidity and stability of the structure in this case, the support strut 7 is reinforced. However, there is no need to use all the elements associated with the second rack, which greatly simplifies the design of the device as a whole.

As shown in FIG. 3, the trolley can be equipped with various types of devices for transporting goods having a unified frame fastening 17 of the cargo container, and various folding cargo containers 18 fixed thereon, including, but not limited to, such as: a customer’s trolley, a travel case, a box for instruments and tools , isothermal container, car refrigerator, container for transporting pets and many others that are transported in the luggage compartment of the car in a loaded form without the need cargo transshipment, as well as various devices transported in the luggage compartment of the car when folded, designed to transport people, including, but not limited to, such as: a cradle, a baby stroller, a chair for people with limited movement functions.

As shown in FIG. 4, the rotary loading and unloading mechanism includes at least one rack 20, the height of which depends on the specific make of the car and is determined by the height of the rear side of the luggage compartment, the rack 20 is attached using the quick fastener 19 to the mating fastener of the supporting structure mounted in luggage compartment of the car. A rotary flange 21 is mounted on the rack, which can be rotated by a certain angle both in the horizontal plane and with a certain predetermined angle to the horizontal plane, depending on the particular embodiment, an arrow 22 is rigidly fixed to it, to the end of which the attachment point 23 is pivotally mounted which the screw 24 and the guides 26 are movably fixed, at the ends of which the stops 25 are fastened, restricting the movement of the screw. A frame 27 with two grippers 28 and receiving rails 31, as well as supports 29 with support pillows 30, is rigidly attached to the guides. In this embodiment of the loading and unloading mechanism, the rotation of the screw is provided by an electric motor 32 with a gearbox. In various embodiments of the invention, the use of not one, but, for example, two racks 20 can be realized, the arrows of which will be attached to one frame 27, while the second rack will be installed similarly to the first to supporting fasteners mounted on additional movement mechanisms mounted on the supporting design mounted in the luggage compartment of the car, which will ensure its movement along a straight or curved path.

The work of the loading and unloading mechanism is as follows: when loading after opening the luggage compartment, the mechanism rotates into the loading state, while the capture frame 27 extends beyond the luggage compartment and the dimensions of the vehicle, while the plane of the capture frame 27 is lowered to its lowest position and set at a certain angle to car body. The user rolls the trolley so that it enters the receiving rails 26, after which the frame 27 for gripping the loading and unloading mechanism grabs the trolley with the help of the elements included in the receiving elements mounted on the supporting frame of the trolley and tears its wheels off the ground. As such input elements, a pin, a hook, a dovetail, etc. may be used. After folding the trolley, the loading and unloading mechanism rotates and sets the trolley in the trunk, while the grip frame 27 of the loading and lowering mechanism is lowered and the trolley is locked in the transport position. All operations carried out by the loading and unloading mechanism can be implemented both with manual control by the user, and with the use of electric drives powered from the vehicle’s onboard network, controlled from a remote keyfob.

As shown in FIG. 5, the rotary loading and unloading mechanism can be installed in the car in various ways, ensuring the location of the trolley in the luggage compartment both along and across, depending on the type and size of the luggage compartment and the wishes of the user.

As shown in FIG. 6, the rotary loading mechanism in various embodiments of the invention can be installed in the luggage compartment of a car using various mounting frames that are manufactured for certain types of luggage compartments of various makes of automobiles. The mounting frame of the loading and unloading mechanism in various embodiments will consist of a fastening element 33, a mounting element 34 of the loading and unloading mechanism, universal fastening spacers 35 adjustable in length and a support lock 36 for the trolley.

In FIG. 7 is a diagram of all technological operations of loading a trolley into the luggage compartment of a vehicle. In this case, the loading and unloading mechanism should be in a loading state, i.e. Outside the vehicle. In this state, the mechanism is set by the user depending on the configuration of the product installed on him: installation can be done manually or automatically if there is an electric drive system for opening the trunk and extending the loading mechanism with control from the key fob button. Also, all other technological loading operations can be carried out by the user manually in the presence of appropriate mechanisms, or automatically in the presence of an electric drive of such mechanisms. The process of loading the trolley according to the invention inside the luggage compartment of the vehicle is as follows:

- at step a) the loaded trolley is rolled up by the user to the car, after which it is rolled into the guides of the rotary flange 21;

- at step b), the flange 21 is engaged in the receiving elements of the trolley loading mechanism 5 and is raised to the position of the wheels tearing off the ground and the support post 10 can be folded;

- at step c) the support post 10 is folded either manually by the user by pushing the handle of the user 9, or automatically when there is an electric drive for the linear movement of the movable fastener 7;

- at step d) the trolley is completely folded into the transport position;

- at step d) the cart is pushed into the luggage compartment by turning the boom 22 of the loading mechanism;

- at step e), the loading is completed by lowering the gripping frame 27 with the trolley fixed on it and fixing it for transportation.

The process of unloading the trolley from the luggage compartment of the vehicle is carried out in the reverse order.

Claims (5)

1. A trolley loaded into the luggage compartment of a vehicle, comprising a support frame, at least one support stand pivotally connected to a wheeled chassis, and a user handle, characterized in that the user handle is connected to the support post by means of a movable mounting member on the support frame at least one linear guide of the fastening elements is fixed together with the support column and handle, the chassis is equipped with articulated expanders with wheels attached to them, while in in the left position, the support stand is located along the support frame, and the chassis is parallel to the short side of the support frame, the extenders are folded so that the wheels are located along the support frame, and when unfolded, the support stand is set at an angle to the support frame in the most stable position, while the chassis with the expanded expanders is also located at an angle to the support rack, and receiving elements are rigidly attached to the support frame for engagement with the frame of the loading and unloading mechanism. 2. The trolley according to claim 1, characterized in that the folding and unfolding of the trolley is carried out by moving the fastener along the support frame. 3. The trolley according to claim 1, characterized in that at least two wheels of the wheeled chassis are made of a piano type. 4. The trolley according to claim 1, characterized in that it contains a unified fastening element, which provides the possibility of securing various types of devices for the transport of goods. 5. A loading and unloading mechanism, characterized in that it is made in the form of a mounting frame fixed on a rigid floor of the trunk, with at least one pivot mount mounted on it with a boom rigidly attached to it, which, when turning, cantilever beyond the boot and dimensions of the car, while the gripping frame pivotally mounted on the boom has the ability to move up or down relative to the boom and is adapted to engage with the receiving elements of the trolley to take on its weight and subsequently transporting the trolley when folded into the luggage compartment of the car during the reverse rotation of the boom.

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