RU217408U1 - Folding trolley - Google Patents

Abstract

The utility model relates to manually propelled vehicles, more precisely, to manual household carts, and is intended for use by consumers in everyday life for comfortable transportation of purchases from a trading floor to a destination. The utility model expands the operational capabilities of the shopping trolley. The functions of the trolley will provide the customer with convenient loading of goods, relieve customers of the need to use public trolleys and plastic bags. The folding trolley contains two folding U-shaped frames made of metal pipes, interconnected by bolts. When folded, the outer frame and inner frame are held by a latch on the crossbar of the inner frame. A folding body made of metal wire or composite materials is attached to the upper part of the outer frame by means of a body fastening bar. It consists of the rear part, the bottom of the body, the upper part, in the folded state they are held by latches of the sides of the three transverse movable wings folding in half by rotary latches.

The folding trolley has the following main provisions. Position #1 is the state in which the frame, body and handle of the trolley are in the stowed position. Position #2 is the trolley position where only the trolley handle is in the unfolded position, making it easy to move from storage to destination. Position No. 3 is the position in which the trolley is completely unfolded and is in a position designed for comfortable loading and transportation of goods, mainly on the territory of the trading floor. Position #4 is the state in which the inner frame and outer frame of the bogie are in the stowed position, and the handle and body are in the unfolded position. Position No. 5 is a position in which only the trolley body is unfolded, it provides convenient transportation of a loaded trolley in transport without the need to first unload the trolley or store goods in it.

The utility model can be manufactured on an industrial scale for subsequent use by end users when transporting various household goods.

Description

Field of technology to which the utility model belongs

The utility model relates to manually propelled vehicles, more precisely, to manual household carts and is intended for use by consumers in everyday life for comfortable transportation of purchases from the trading floor to the destination.

State of the art

Known hand trucks having a folding body, tucked into a vertical position. The closest device of the same purpose to the claimed invention, according to the totality of features, is a hand-held utility cart according to the USSR patent for the invention No. for a load connected with a base, a supporting element and containing a rotary stop, characterized in that, in order to increase ease of use by reducing the time during transformation, the base handle is equipped with brackets and hollow posts, each of which is made with a longitudinal groove in which a rod pin movably mounted inside the rack, the other end of which is pivotally connected to the corresponding end of the branch of the U-shaped folding frame, and the hinges for attaching it to the base are located in the middle parts of the branches of the folding frame.

Also, according to the USSR patent for the invention No. 1654090, a hand-held utility trolley is known, containing a frame mounted on wheels with a U-shaped handle and with a support for a cargo bag fixed on the frame, characterized in that, in order to expand operational capabilities by ensuring the transportation of additional cargo, it is equipped with pivotally attached to the frame with the possibility of rotation in the longitudinal vertical plane and fixation in the required positions by an additional frame with a cargo platform, fastening means and running wheels, and the cargo bag is made with side pockets to accommodate the running wheels of the additional frame in its non-working position.

The disadvantages of these products are the impossibility of compact storage, the lack of compactness when transporting a trolley without cargo, the inconvenience of loading goods, the inconvenient transportation of goods to their destination, the burden on the buyer when shopping, the spread of diseases between buyers, the burden on the environment.

Disclosure of the essence of the utility model

The purpose of the present utility model is to develop a foldable trolley that enhances the functionality of a shopping trolley. The functions of the trolley will provide the customer with convenient loading of goods, relieve customers of the need to use public trolleys and plastic bags.

This result is achieved by using the following device (Fig. 1, Fig. 2). The folding trolley contains two folding U-shaped frames made of metal pipes (outer frame 1 and inner frame 2) interconnected by bolts. Wheels 6 with a swivel mechanism are installed on the lower part of the outer frame 1. The inner frame 2 is inserted and bolted into the outer frame 1. In the lower part of the inner frame, fixed wheels 5 are installed, which are moved beyond the wheels of the outer frame 1. When folded, the outer frame 1 and the inner frame 2 are held by the latch 19 by the crossbar 20 of the inner frame ( Fig. 3). The crossbar 20 of the inner frame is installed in the lower part of the inner frame 2. The decomposed position of the outer and inner frames is held by the limiter 4. A folding handle 3 is attached to the upper part of the outer frame 1. With the help of the body fastening bar 21, a folding body made of from metal wire and composite materials. It consists of the rear part, the bottom of the body 8, the upper part 7, in the folded state they are held by clamps 18 2 sides folding in half 9 three transverse movable wings 10, 11, 12 (respectively - body doors No. 1, body doors No. 2, body sash No. 3) with swivel latches 14, 15, 16 with one footrest 13 connected to the body sash No. 2 (item 11, can be removable) on a swivel attached to the bottom of the front part of the body (item 7). The transverse wings of the body (details 10, 11, 12) are hinged to the front of the body (detail 7). Body sash No. 1 (item 10) is attached to the top of the front part of the body (item 7) in loops. Body sash No. 3 (part 12) is attached to the bottom of the front part of the body and, when unfolded, forms the bottom of the body. Detail 17 - lower crossbar of the inner frame 2 for attaching wheels 5. Detail 22 - crossbar for easy unfolding. There are locks 23 for wheels with a swivel device 6.

Implementation of the utility model

The foldable shopping trolley has the following main provisions.

Position #1 (FIG. 4) is the state in which the frame, body and handle of the bogie are in the stowed position. This position provides convenient storage of the folding cart. In this position, the trolley rests on the floor, on a fixed pair of wheels (item 5) and the trolley handle (item 3).

Position #2 (FIG. 5) is the position of the trolley in which only the handle of the trolley is in the unfolded position, making it easy to move it from storage to destination. In this position, the trolley rests on the floor only on a fixed pair of wheels (detail 5).

To transfer the trolley from position #1 to position #2, it is necessary to lift the upper part of the trolley and unfold the folding handle 3 (Fig. 6).

Position No. 3 (Fig. 7) is the position in which the trolley is completely unfolded and is in a position designed for comfortable loading and transportation of goods, mainly on the territory of the trading floor. In this position, the cart rests on the floor on both pairs of wheels (details 5, 6).

To transfer the trolley from position No. 2 to position No. 3, it is necessary to unfasten the lock (part 19) of the body from the folding body and raise the body to a horizontal position, expanding the inner frame and the outer frame of the trolley, pushing the trolley forward by the handle and holding the lower crossbar 17 of the inner frame with your foot . The limiter 4 will hold parts 1 and 2 in the required position. Disengage the rotary locks 15. Unfasten the locks 18 and manually move the sides of the folding body (part 9) to the vertical position, lifting the whole part 7. Body wings (parts 10, 11, 12) automatically under the action of gravity will move from horizontal to vertical position and form a horizontal body convenient for loading. Body flaps (parts 10, 11) will fix the folding sides of the body in a vertical position. The switching scheme of the truck from position No. 2 to position No. 3 is shown in Fig.8-11.

The trolley in position No. 3 is designed for comfortable loading of goods and their transportation to the checkout, where the goods are unloaded onto the cash conveyor, after which the empty trolley is transferred to position No. 4.

Position No. 4 (Fig. 12, Fig. 13) is the state in which the inner frame and outer frame of the bogie are in the folded position, and the handle and body are in the unfolded position. The buyer lifts the bottom of the body and moves the trolley towards himself by the handle, and keeps part 17 away from him with his foot, folding the inner frame and the outer frame and lowering the bottom of the body into a vertical position, while the body doors (parts 10, 11) automatically form a one-piece single-section vertical body . The swivel locks 15 are switched on. The body is fastened to the crossbar 20 using the latch 19. The body sash No. 3 (part 12) and the sides of the body (part 9) remain in the same position. The body rests on the floor with a footrest 13 and wheels. In the trolley position No. 4, it is convenient for the user to load and transport goods to their destination. Partitions form a single body with vertical loading.

The scheme for switching the trolley from position No. 3 to position No. 4 is shown in Fig. 14. Position #5 (FIG. 15) is the position where only the bogie body is unfolded. This position provides convenient transportation of the loaded trolley in transport without the need to first unload the trolley or store goods in it. At the trolley loaded with goods, the folding handle 3 is folded, the rotary locks are turned off (details 14, 16). Body flap No. 1 (part 10) is translated along the outer radius of the bogie by 240 degrees, forming a horizontal body. The swivel lock (item 16) is activated, the body leaf No. 1 (item 10) is fixed to prevent the goods from falling out of the body. The trolley is loaded into the transport, or placed on the floor.

The transfer scheme from position No. 4 to position No. 5 is shown in Fig. 16.

After unloading the bogie, the sides of the body (part 9) are folded, the bogie is moved to position No. 1 for compact storage.

Approximate dimensions of the product in position No. 3: height 103 cm, body height 32.5 cm, length of the folding handle (3) - 28 cm, length of the inner frame 70 cm, height of fixed wheels (5) - 19 cm, height of wheels with a swivel device (6) - 11 cm, the distance between the axes of the fixed wheels (5) and wheels with a swivel device (6) - 35 cm. The distance between the outer edges of the fixed wheels (5) - 61 cm.

Brief description of the drawings

Fig. 1 - general view of the product.

Fig. 2 is a rear view of the product.

Fig. 3 is a schematic representation of the location of the latch 19 for holding the crossbar of the inner frame.

Fig. 4 - view of the product in position No. 1.

Fig. 5 is a schematic representation of the transition of the trolley from position #1 to position #2.

Fig. 6 - view of the product in position No. 2.

Fig. 7 - view of the product in position No. 3.

Fig. 8 is a schematic representation of the transfer of the trolley from position #2 to position #3 (start).

Fig. 9 is a schematic representation of the transfer of the trolley from position #2 to position #3 (continued).

Fig. 10 is a schematic representation of the transfer of the trolley from position #2 to position #3 (continuation 2).

Fig. 11 is a schematic representation of the transfer of the trolley from position No. 2 to position No. 3 (end).

Fig. 12 - view of the product in position No. 4.

Fig. 13 - view of the product in position No. 4 during transportation.

Fig. 14 is a schematic representation of the transition of the trolley from position #3 to position #4.

Fig. 15 - schematic representation of the transfer from position No. 4 to position No. 5

Industrial Applicability

The utility model can be manufactured on an industrial scale for subsequent use by end users when transporting various household goods.

Claims (1)

Folding trolley, containing an outer frame and an inner frame, interconnected by bolts, wheels with a swivel mechanism are installed on the lower part of the outer frame, non-swivel wheels are installed in the lower part of the inner frame, a folding handle is attached to the upper part of the outer frame, a folding handle is attached to the outer frame of the upper crossbar a swivel folding body, which consists of a front part and a rear part - the bottom, characterized in that there is a swivel lock to hold the outer frame and the inner frame in the folded state, there are limiters to hold the outer frame and the inner frame in the unfolded position, in the folded state the rear the body and the front part of the body are held together by clamps that hold the body sides folding in half, the front part of the body consists of three pivoting doors and one footboard, which are fixed by rotary clamps.

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