CN111016990A - Frame assembly of driving and pushing dual-purpose electric shopping cart - Google Patents
Frame assembly of driving and pushing dual-purpose electric shopping cart Download PDFInfo
- Publication number
- CN111016990A CN111016990A CN201911249566.7A CN201911249566A CN111016990A CN 111016990 A CN111016990 A CN 111016990A CN 201911249566 A CN201911249566 A CN 201911249566A CN 111016990 A CN111016990 A CN 111016990A
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- frame
- seat
- fixedly connected
- front frame
- frame assembly
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- 230000006872 improvement Effects 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0003—Adaptations for loading in or on a vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a frame assembly of a driving and pushing dual-purpose electric shopping cart, which comprises a front frame and a rear frame; the rear frame is inserted into the front frame, a telescopic device is arranged between the front frame and the rear frame, a seat frame is arranged at the rear end of the rear frame, and a foldable seat is rotatably connected to the seat frame; a pedal bedplate and an inclined supporting frame are arranged above the rear end of the front frame, and the shopping basket is connected to the supporting frame; the front frame and the rear frame are both rotatably connected with wheels which are used for supporting the frame assembly, and the elevator wheels are fixedly connected to the bottom of the frame assembly; the top end of the support frame is rotatably connected with a deflection steering wheel, and the deflection steering wheel can be turned back and forth through a turning device; the side of seat frame is triangle-shaped, and the seatpad bottom fixedly connected with gag lever post of seat, the back of the chair rotate to be connected in the seatpad, the gag lever post passes through the hinge and is connected with the seat frame. The frame can be telescopically adjusted in length to meet the requirements of two modes of pushing and driving.
Description
Technical Field
The invention relates to the technical field of shopping equipment, in particular to a frame assembly of a driving and pushing dual-purpose electric shopping cart.
Background
The shopping cart is an indispensable tool in our lives, can improve more demands of buyers on one hand and further improve the volume of deals of sellers on the other hand, and can achieve a win-win result of killing two birds at a stroke.
With the improvement of living standard, the times of shopping are more and more frequent. In addition, the shopping cart is difficult to control due to inertia effect when people work for a long time and push the cart or the portable shopping basket for a long time. In addition, the traditional hand-push shopping cart cannot be used when the disabled goes to a supermarket for shopping; in addition, the elderly are weak and the elderly feel tired more and more when walking for a long time, which causes inconvenience.
A few electric shopping carts are adopted in some domestic supermarkets, but the electric shopping carts are labor-saving to push, but the problem of walking fatigue cannot be solved; in addition, some supermarkets also adopt driving shopping carts, but the shopping carts can only be driven, and people need to frequently go up and down when selecting commodities, so that the shopping is not very convenient for people to shop, and the pleasure brought to people by shopping is lost.
Therefore, a shopping cart which can be pushed and driven is needed, and can be switched freely according to the use requirement. The frame is a base body of the shopping cart and is used for bearing various loads of the shopping cart. However, the frame of the conventional shopping cart is fixed, and the length of the frame cannot be adjusted, so that there is not enough space for installing other components for driving, such as a seat.
In view of the above, it is desirable to provide a frame assembly for a dual-purpose electric shopping cart for driving and pushing.
Disclosure of Invention
The invention aims to provide a frame assembly of a driving and pushing dual-purpose electric shopping cart, wherein the frame can be telescopically adjusted in length so as to meet the requirements of two modes of pushing and driving, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a frame assembly of a driving and pushing dual-purpose electric shopping cart comprises a front frame and a rear frame; the rear frame is inserted into the front frame, a telescopic device is arranged between the front frame and the rear frame, a seat frame is arranged at the rear end of the rear frame, and a foldable seat is rotatably connected to the seat frame; a pedal bedplate and an inclined supporting frame are arranged above the rear end of the front frame, and the shopping basket is connected to the supporting frame; the front frame and the rear frame are both rotatably connected with wheels which are used for supporting the frame assembly, and the elevator wheels are fixedly connected to the bottom of the frame assembly; the top end of the support frame is rotatably connected with a deflection steering wheel, and the deflection steering wheel can be turned over front and back through a turning device.
The invention has the further improvement scheme that the side surface of the seat frame is triangular, the bottom of the seat cushion of the seat is fixedly connected with a limiting rod, and the seat back is rotationally connected with the seat cushion; the limiting rod is connected with the seat frame through the hinge, and when the limiting rod turns backwards to the limiting position, the seat cushion is in a horizontal state.
The invention has the further improvement scheme that two sides of the rear end of the front frame are fixedly connected with a first cross rod, and two elevator wheels are fixedly connected to the bottom of the first cross rod; the support frame is U-shaped, and two ends of the support frame are obliquely and fixedly connected to the first cross rod; four L-shaped plates are fixedly connected to the front frame to form a containing cavity, and a power supply is placed in the containing cavity.
The invention has the further improvement scheme that a large placing plate is arranged on the front frame below the shopping basket; the front end and the rear end of the large placing plate are connected with the front frame through the supports, the rear end and the two sides of the large placing plate are fixedly connected with the baffle plates, and the power supply is located below the large placing plate.
The invention has the further improvement scheme that the inner side of the front frame is fixedly connected with a second cross rod, the inner side of the rear frame is fixedly connected with a third cross rod, the telescopic devices are two electric push rods which are symmetrically arranged, and two ends of each electric push rod are respectively hinged to the second cross rod and the third cross rod; the top end of the support frame is provided with a frame adjusting switch, and the electric push rod and the frame adjusting switch are connected with a power supply through wires.
The invention has the further improvement scheme that the rear end of the front frame is also provided with four groups of rollers, each group of rollers is two rollers which are arranged up and down, the central shafts of the rollers are fixedly connected to the front frame through bearing seats, and part of each roller penetrates through the gap to extend into the front frame and contact with the outer wall of the rear frame.
The invention has the further improvement scheme that when the rear frame is completely extended, the front end of the rear frame does not separate from the four groups of rollers.
The invention has the beneficial effects that:
first, the frame assembly of the driving and pushing dual-purpose electric shopping cart of the invention has the advantages that the length of the frame can be adjusted in a telescopic manner, so that the requirements of two modes of pushing and driving are met.
Secondly, the frame assembly of the driving and pushing dual-purpose electric shopping cart has the advantages of simple and understandable structure, scientific and reasonable design, low manufacturing cost, convenience in maintenance and easiness in operation.
And thirdly, the elevator wheels are arranged at the bottom of the frame assembly of the driving and pushing dual-purpose electric shopping cart, so that the original functions of getting on and off the elevator are ensured while the driving function is added.
Fourthly, the frame component of the driving and pushing dual-purpose electric shopping cart has the triangular seat frame, so that the stability of the seat frame is ensured, and the personal safety of a user is further ensured.
Fifth, according to the frame assembly of the driving and pushing dual-purpose electric shopping cart, the large placing plate is arranged below the shopping basket, the size of the commodity is divided, the small commodity cannot be buried in the large commodity, and the small commodity is more convenient to take out when needing to be replaced.
Sixth, the frame assembly of the driving and pushing dual-purpose electric shopping cart of the invention, the stretching of the frame is realized by adopting the electric push rods which are symmetrically arranged, thereby saving time and labor.
Seventh, the frame assembly of the driving and pushing dual-purpose electric shopping cart of the present invention, four sets of rollers on the front frame, makes sliding friction between the front frame and the rear frame be rolling friction, greatly reduces frictional resistance, and simultaneously can prevent noise from being generated when the frame is extended and retracted.
Eighth, according to the frame assembly of the electric shopping cart for driving and pushing of the present invention, when the frame is fully extended, the front end of the rear frame does not separate from the four sets of rollers, so that the rear frame is prevented from being inclined.
Drawings
Fig. 1 is a schematic view of the overall structure of the frame assembly in the push mode of the present invention.
Fig. 2 is a schematic view of the overall structure of the frame assembly in the driving mode.
Figure 3 is a partial top view of the frame assembly of the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Example 1: as shown in fig. 1 to 3, a frame assembly of a driving and pushing dual-purpose electric shopping cart comprises a front frame 1 and a rear frame 2; the rear frame 2 is inserted into the front frame 1, a telescopic device is arranged between the front frame 1 and the rear frame 2, a seat frame 3 is arranged at the rear end of the rear frame 2, and a foldable seat is rotatably connected to the seat frame 3; a pedal bedplate 4 and an inclined support frame 5 are arranged above the rear end of the front frame 1, and a shopping basket 6 is connected to the support frame 5; the front frame 1 and the rear frame 2 are both rotatably connected with wheels 7, the wheels 7 are used for supporting the frame assembly, and the elevator wheels 8 are fixedly connected to the bottom of the frame assembly; the top end of the support frame 5 is rotatably connected with a deflection steering wheel 9, the deflection steering wheel 9 can be turned back and forth through a turning device 10, and the deflection steering wheel 9 is also an operation component of a steering system.
The side surface of the seat frame 3 is triangular, the bottom of a seat cushion 13 of the seat is fixedly connected with a limiting rod 11 through a bolt, and a seat back 12 is rotatably connected with the seat cushion 13; the limiting rod 11 is connected with the seat frame 3 through a hinge, and when the limiting rod 11 overturns backwards to the limit position, the seat cushion 13 is in a horizontal state.
Two sides of the rear end of the front frame 1 are welded with a first cross bar 14, and two elevator wheels 8 are fixedly connected to the bottom of the first cross bar 14 through threads; the support frame 5 is U-shaped, and two ends of the support frame 5 are welded on the first cross rod 14 in a backward inclining mode; four L-shaped plates 15 are welded on the front frame 1 to form an accommodating cavity, and a power supply 16 is placed in the accommodating cavity.
The big piece placing plate 17 is arranged on the front frame 1 below the shopping basket 6, the front end and the rear end of the big piece placing plate 17 are fixedly connected to the support 25 through bolts, the support 25 is welded to the front frame 1, the baffle plates 18 are arranged at the rear end and the two sides of the big piece placing plate 17, and the power supply 16 is located below the big piece placing plate 17.
A second cross rod 19 is welded on the inner side of the front frame 1, a third cross rod 20 is fixedly connected on the inner side of the rear frame 2, the telescopic devices are two electric push rods 21 which are symmetrically arranged, and two ends of each electric push rod 21 are respectively installed between the second cross rod 19 and the third cross rod 20 through pin shafts; the top end of the support frame 5 is fixedly connected with a frame adjusting switch 22 through a bolt, and the electric push rod 21 and the frame adjusting switch 22 are connected with the power supply 16 through a lead.
The specific working principle is as follows:
the present invention is a part of the application of the electric shopping cart for both driving and pushing, so the structure and principle of the steering system, the position-changing steering wheel 9 and the turning device 10 mentioned in the present technical solution are not specifically explained here.
In the pushing mode, the electric push rod 21 retracts, the seat turns forwards along the hinge, the seat cushion and the seat back 12 of the seat are in a folded state and naturally droop under the action of self gravity, the deflection steering wheel 9 turns backwards, and a user pushes the whole shopping cart through the deflection steering wheel 9.
In the driving mode, firstly, the electric push rod 21 is controlled to extend out through the frame adjusting switch 22, and the rear frame 2 moves backwards by about 30 cm; the seat is turned backwards, so that the limiting rod 11 is in contact with the seat frame 3, the cushion is in a horizontal state, and the seat back 12 is unfolded; and the position-changing steering wheel 9 is turned backwards to form the positioning of the driving mode.
When the elevator is lifted, the elevator wheels 8 of the shopping cart can be just embedded into the gaps of the elevator transmission plate, and the generated friction is enough to fix the shopping cart.
Example 2: the embodiment is a further improvement of embodiment 1, and the main improvement is that in the use of embodiment 1, sliding friction exists between the front frame 1 and the rear frame 2, the friction resistance is large, and the long-term use can cause abrasion of the front frame 1 and the rear frame 2 and generate large noise; in the present embodiment, the above-mentioned defects can be avoided, specifically:
four groups of rollers 24 are further arranged at the rear end of the front frame 1, each group of rollers 24 is two rollers which are arranged up and down, a central shaft of each roller 24 is fixedly connected to the front frame 1 through a bearing seat, and part of each roller 24 penetrates through the notch 26 to extend into the front frame 1 and contact with the outer wall of the rear frame 2; when the rear frame 2 is completely extended, the front end of the rear frame 2 does not depart from the four groups of rollers 24; in the embodiment, four groups of rollers 24 are additionally arranged on the front frame 1, so that sliding friction between the front frame 1 and the rear frame 2 is rolling friction, the friction resistance is greatly reduced, and noise generated when the frames stretch can be prevented; in addition, when the frame is fully extended, the front end of the rear frame 2 does not separate from the four sets of rollers 24, so that the rear frame 2 can be prevented from inclining.
Otherwise, this embodiment is identical to embodiment 1, and will not be described herein.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a frame subassembly of driving and dual-purpose formula electric shopping cart of carrying, its characterized in that: comprises a front frame (1) and a rear frame (2); the rear frame (2) is inserted into the front frame (1), a telescopic device is arranged between the front frame (1) and the rear frame (2), a seat frame (3) is arranged at the rear end of the rear frame (2), and a foldable seat is rotatably connected to the seat frame (3); a pedal bedplate (4) and an inclined support frame (5) are arranged above the rear end of the front frame (1), and a shopping basket (6) is connected to the support frame (5); the front frame (1) and the rear frame (2) are both rotatably connected with wheels (7), the wheels (7) are used for supporting the frame assembly, and the elevator wheels (8) are fixedly connected to the bottom of the frame assembly; the top end of the support frame (5) is rotatably connected with a deflection steering wheel (9), and the deflection steering wheel (9) can be turned over front and back through a turning device (10).
2. The frame assembly of claim 1, wherein said frame assembly comprises: the side surface of the seat frame (3) is triangular, the bottom of a seat cushion (13) of the seat is fixedly connected with a limiting rod (11), and a seat back (12) is rotatably connected with the seat cushion (13); the limiting rod (11) is connected with the seat frame (3) through a hinge, and when the limiting rod (11) overturns backwards to the limit position, the seat cushion (13) is in a horizontal state.
3. The frame assembly of claim 2, wherein said frame assembly comprises: two sides of the rear end of the front frame (1) are fixedly connected with a first cross rod (14), and two elevator wheels (8) are fixedly connected to the bottom of the first cross rod (14); the support frame (5) is U-shaped, and two ends of the support frame (5) are obliquely and fixedly connected to the first cross rod (14); four L-shaped plates (15) are fixedly connected to the front frame (1) to form an accommodating cavity, and a power supply (16) is placed in the accommodating cavity.
4. The frame assembly of claim 3, wherein said frame assembly comprises: a large placing plate (17) is arranged on the front frame (1) below the shopping basket (6); the front end and the rear end of the large placing plate (17) are connected with the front frame (1) through the support (25), the rear end and the two sides of the large placing plate (17) are fixedly connected with the baffle (18), and the power supply (16) is located below the large placing plate (17).
5. The frame assembly of claim 4, wherein: a second cross rod (19) is fixedly connected to the inner side of the front frame (1), a third cross rod (20) is fixedly connected to the inner side of the rear frame (2), the telescopic devices are two electric push rods (21) which are symmetrically arranged, and two ends of each electric push rod (21) are hinged to the second cross rod (19) and the third cross rod (20) respectively; the top end of the support frame (5) is provided with a frame adjusting switch (22), and the electric push rod (21) and the frame adjusting switch (22) are connected with the power supply (16) through wires.
6. The frame assembly of a dual-purpose electric shopping cart for driving and pushing according to any one of claims 1-5, wherein: the rear end of the front frame (1) is also provided with four groups of rollers (24), each group of rollers (24) is two rollers which are arranged up and down, the central shaft of each roller (24) is fixedly connected to the front frame (1) through a bearing seat, and the part of each roller (24) penetrates through a notch (26) and extends into the front frame (1) and contacts with the outer wall of the rear frame (2).
7. The frame assembly of claim 6, wherein: when the rear frame (2) is completely extended, the front end of the rear frame (2) does not depart from the four groups of rollers (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249566.7A CN111016990B (en) | 2019-12-09 | 2019-12-09 | Frame assembly of driving and pushing dual-purpose electric shopping cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911249566.7A CN111016990B (en) | 2019-12-09 | 2019-12-09 | Frame assembly of driving and pushing dual-purpose electric shopping cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111016990A true CN111016990A (en) | 2020-04-17 |
| CN111016990B CN111016990B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911249566.7A Active CN111016990B (en) | 2019-12-09 | 2019-12-09 | Frame assembly of driving and pushing dual-purpose electric shopping cart |
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| Country | Link |
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| CN (1) | CN111016990B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016988A (en) * | 2019-12-09 | 2020-04-17 | 淮阴工学院 | Driving and pushing dual-purpose electric shopping cart |
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| CN102991548A (en) * | 2011-09-16 | 2013-03-27 | 朱开一 | Foldable shopping cart |
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| CN207955908U (en) * | 2017-12-10 | 2018-10-12 | 宁波市镇海丹发机械科技有限公司 | The electronic multiservice car of collapsible six wheel |
| CN211336061U (en) * | 2019-12-09 | 2020-08-25 | 淮阴工学院 | Frame assembly for multifunctional electric shopping cart |
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2019
- 2019-12-09 CN CN201911249566.7A patent/CN111016990B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040216339A1 (en) * | 2003-04-28 | 2004-11-04 | Garberg Dennis D. | Mobile dispensing display, method for conversion of shopping cart into dispensing display and method of advertising and dispensing products |
| US20100194064A1 (en) * | 2009-02-02 | 2010-08-05 | Target Brands, Inc. | Utility cart assembly |
| US20140232088A1 (en) * | 2011-09-15 | 2014-08-21 | Harri Ektron | Combined shopping trolley baby stroller |
| CN102991548A (en) * | 2011-09-16 | 2013-03-27 | 朱开一 | Foldable shopping cart |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016988A (en) * | 2019-12-09 | 2020-04-17 | 淮阴工学院 | Driving and pushing dual-purpose electric shopping cart |
| CN111016988B (en) * | 2019-12-09 | 2023-11-14 | 淮阴工学院 | Driving and pushing dual-purpose electric shopping cart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111016990B (en) | 2024-01-19 |
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