CN214648337U - Electric power-assisted trolley - Google Patents

Abstract

The utility model discloses an electronic helping hand handcart, which comprises a carriage, two sets of side caps of back wall difference fixedly connected with before the carriage, the carriage upper surface is provided with folding hand subassembly, puts the thing subassembly, it sets up at the carriage upper surface and is located folding hand subassembly inboard to put the thing subassembly, carriage right side wall fixedly connected with battery compartment lid, battery compartment lid outer wall just is close to and rotates between lower extreme position and the carriage and be connected with the hinge. The utility model discloses, two sets of wheels of setting, whole small can realize zero turning radius, more easily through some special topography, but the supporter guardrail of synchronous pull of setting can make the carriage top put the thing capacity bigger, folding hand subassembly can push the carriage to the handle through flexible pipe when not using, reduces the appearance volume, the waterproof component of setting and select for use the in-wheel motor that waterproof performance is good, can carry out the degree of depth and wade the operation.

Description

Electric power-assisted trolley

Technical Field

The utility model relates to a short distance transport means technical field especially relates to electronic helping hand handcart.

Background

The electric handcart is a new product which is improved and upgraded from a common handcart, and is a carrying vehicle which is pushed and pulled manually by replacing an electric handcart.

Electric power assisted handcart among the prior art, when transporting the short distance of goods and materials, its automobile body is generally great, is not suitable for narrow passageway, and whole comparatively heaviness, when going on mountain area or abrupt slope, operates not nimble, generally sets up to two four wheels altogether in the front and back, and turning radius is big, is unsuitable personnel on foot operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric power-assisted trolley.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the electric power-assisted trolley comprises a carriage, wherein the front wall and the rear wall of the carriage are respectively and fixedly connected with two groups of side covers, the upper surface of the carriage is provided with a folding hand assembly and a storage assembly, the storage assembly is arranged on the upper surface of the carriage and is positioned at the inner side of the folding hand assembly, the right side wall of the carriage is fixedly connected with a battery compartment cover, the outer wall of the battery compartment cover, which is close to the lower end position, is rotatably connected with a hinge between the carriage, the end of the outer wall of the battery compartment cover, which is far away from the hinge, is fixedly connected with a hasp between the carriage and the end of the battery compartment cover, the battery compartment cover is fixedly connected with an inner frame towards the side wall of the carriage, the lower wall of the inner side of the carriage is fixedly connected with two groups of bearing seats, a plurality of reinforcing ribs are fixedly connected between the upper surface of the two groups of bearing seats and the lower wall of the inner side of the carriage, the inner walls of the two groups of bearing seats are rotatably connected with rotating shafts, the outer walls of the two groups of bearing seats extend out of the two groups of bearing seats and penetrate through the two groups of side covers to the outer side of the carriage, the utility model discloses a car body, including pivot, end cover, power component, pivot, wheel, be provided with between pivot and the wheel and drive wheel pivoted drive assembly, it is two sets of one side that the side cover is relative is according to fixedly connected with end cover, two sets of the end cover all rotates with the pivot outer wall to be connected, the inboard fixed connection in carriage provides the power component of power to drive assembly, power component fixed connection is between the multiunit strengthening rib, equal fixedly connected with is used for the waterproof component to carriage internal seal between battery compartment lid and the carriage, between end cover and the pivot, between two sets of side covers and the carriage.

As a further description of the above technical solution:

folding hand subassembly includes four group's support columns, four groups support column fixed connection just is located the four corners respectively at carriage top, four groups relative two sets of tops are connected with first sleeve pipe, two sets of about the support column equal sliding connection in first sleeve pipe both ends has flexible pipe, four groups spacing through the bullet round pin between flexible pipe and the first sleeve pipe, four groups first sheathed tube one end fixedly connected with sleeve joint is kept away from to flexible pipe, four groups the equal fixedly connected with handle in sleeve joint top, four groups respectively have a set of upper surface to be provided with control button, four groups respectively about in the handle a set of lower surface joint has the bracing piece, two sets of the one end fixedly connected with of sleeve joint supports the footing is kept away from to the bracing piece.

As a further description of the above technical solution:

put the thing subassembly and include two sets of second sleeve pipes, it is two sets of the equal fixed connection of second sleeve pipe just is located folding hand subassembly inboard, two sets of the equal sliding connection in second sleeve pipe both ends inboard has the supporter guardrail, and is two sets of the one end that the supporter guardrail is relative is provided with the rack, and is two sets of rack on the supporter guardrail is one-to-one symmetry setting, it is two sets of the meshing has the gear between the rack on the supporter guardrail, the gear is through changeing round pin fixed connection in second sleeve axial center department.

As a further description of the above technical solution:

the driving assembly comprises two sets of hub motors, the two sets of hub motors are fixedly connected to one side, opposite to the two sets of wheels, of the inner side wall of each hub motor and are rotatably connected with two ends of a rotating shaft respectively, and the two sets of wheels are rotatably connected with the rotating shaft through the two sets of hub motors.

As a further description of the above technical solution:

the power assembly comprises a battery compartment body, a vibration reduction pad and a lithium battery with a controller, wherein the battery compartment body is fixedly connected to the inner side wall of the compartment and is located between the multiple groups of reinforcing ribs, the lithium battery with the controller is clamped to the inner side of the battery compartment body, the vibration reduction pad is arranged between the outer wall of the lithium battery with the controller and the inner side wall of the battery compartment body, and the lithium battery with the controller is covered by a battery compartment cover.

As a further description of the above technical solution:

the waterproof assembly comprises a first sealing layer, a second sealing layer and a third sealing layer, the first sealing layer is arranged between the end cover and the rotating shaft, the second sealing layer is arranged between the carriage and the side cover, the third sealing layer is arranged on the outer wall of the inner frame, and the battery compartment cover is sealed with the carriage through the third sealing layer.

The utility model discloses following beneficial effect has:

compared with the prior art, this electronic helping hand handcart, two sets of wheels of setting, whole small can realize zero turning radius, more easily through some special topography, but the supporter guardrail of synchronous pull of setting can make the carriage top put the thing capacity bigger, folding hand subassembly can be when not using through flexible pipe with handle push to the carriage, reduce the appearance volume, the waterproof component of setting and select for use the in-wheel motor that waterproof performance is good, can carry out the degree of depth and wade the operation.

Drawings

Fig. 1 is a schematic view of an overall structure of an electric power-assisted cart according to the present invention;

fig. 2 is a partially enlarged view of fig. 1-a of the electric power-assisted cart according to the present invention;

fig. 3 is a partial structural sectional view of a storage component of the electric power-assisted trolley according to the present invention;

fig. 4 is a schematic view of a connection structure between a right side wall of a carriage and a battery compartment cover of the electric power-assisted cart according to the present invention;

fig. 5 is a schematic view of a battery compartment cover of the electric power-assisted cart according to the present invention;

fig. 6 is a partial sectional view of the side of the overall structure of the electric power-assisted cart according to the present invention;

fig. 7 is a partial enlarged view of fig. 6-B of the electric assist cart according to the present invention;

fig. 8 is the utility model provides an electric power-assisted cart's wheel and in-wheel motor connection structure sketch map.

Illustration of the drawings:

1. a carriage; 2. a side cover; 3. a support pillar; 4. a first sleeve; 5. a telescopic pipe; 6. a casing joint; 7. a handle; 8. a control button; 9. a support bar; 10. supporting feet; 11. a second sleeve; 12. a rack guardrail; 13. a wheel; 14. a gear; 15. a rack; 16. rotating the pin; 17. a battery compartment cover; 18. a hinge; 19. a hasp; 20. a rotating shaft; 21. a bearing seat; 22. an inner frame; 23. reinforcing ribs; 24. a battery compartment body; 25. a vibration damping pad; 26. a lithium battery with a controller; 27. an end cap; 28. a first sealing layer; 29. a second sealing layer; 30. a third sealing layer; 31. an in-wheel motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the utility model provides an electric power-assisted trolley: the folding hand-held power tool comprises a carriage 1, wherein the front wall and the rear wall of the carriage 1 are respectively and fixedly connected with two groups of side covers 2, the upper surface of the carriage 1 is provided with a folding hand-held assembly and a storage assembly, the storage assembly is arranged on the upper surface of the carriage 1 and is positioned at the inner side of the folding hand-held assembly, the right side wall of the carriage 1 is fixedly connected with a battery compartment cover 17, the outer wall of the battery compartment cover 17, which is close to the lower end, is rotatably connected with a hinge 18 with the carriage 1, a hasp 19 is fixedly connected between the end of the outer wall of the battery compartment cover 17, which is far away from the hinge 18, and the carriage 1, an inner frame 22 is fixedly connected with the side wall of the battery compartment cover 17, the lower wall of the inner side of the carriage 1 is fixedly connected with two groups of bearing seats 21, a plurality of reinforcing ribs 23 are fixedly connected between the upper surfaces of the two groups of bearing seats 21 and the lower wall of the inner side of the carriage 1, the inner walls of the two groups of bearing seats 21 are rotatably connected with a rotating shaft 20, the outer walls of the two ends, which extend out of the rotating shaft 20, extend out of the two groups of the bearing seats 21, and penetrate through the two groups of the side covers 2 to the outer side covers 1, 20 both ends of pivot all rotate and are connected with wheel 13, be provided with driving wheel 13 pivoted drive assembly between pivot 20 and the wheel 13, one side that two sets of side caps 2 are relative is according to fixedly connected with end cover 27, two sets of end covers 27 all rotate with the 20 outer walls of pivot to be connected, the power component that 1 inboard fixed connection in carriage provided power to drive assembly, power component fixed connection is between multiunit strengthening rib 23, between battery compartment lid 17 and the carriage 1, between end cover 27 and the pivot 20, equal fixedly connected with is used for the waterproof component to 1 inside seal in carriage between two sets of side caps 2 and the carriage 1.

The folding hand holding component comprises four groups of supporting columns 3, the four groups of supporting columns 3 are fixedly connected with the top of a carriage 1 and are respectively positioned at four corners, two groups of tops of the four groups of supporting columns 3 which are opposite to each other are jointly connected with a first sleeve 4, the inner sides of two ends of the two groups of first sleeves 4 are respectively connected with a telescopic pipe 5 in a sliding way, the four groups of telescopic pipes 5 and the first sleeves 4 are limited by elastic pins, one ends of the four groups of telescopic pipes 5, which are far away from the first sleeves 4, are fixedly connected with a sleeve joint 6, the top ends of the four groups of sleeve joints 6 are respectively fixedly connected with a handle 7, the left surface and the right surface of the four groups of handles 7 are respectively provided with a control button 8, the left surface and the right surface of the four groups of sleeve joints 6 are respectively clamped with a supporting rod 9, one ends of the two groups of supporting rods 9, which are far away from the sleeve joint 6, are fixedly connected with supporting feet 10, the supporting rods 9 are supported at the lower ends of the sleeve joints 6 when in use to avoid vehicle from toppling over, when the vehicle is transported, the support rod 9 is received in the telescopic tube 5.

Put the thing subassembly and include two sets of second sleeve pipes 11, the equal fixed connection of two sets of second sleeve pipes 11 just is located folding hand subassembly inboard at 1 upper surface in carriage, the equal sliding connection in two sets of second sleeve pipes 11 both ends inboard has supporter guardrail 12, the one end that two sets of supporter guardrails 12 are relative is provided with rack 15, rack 15 on two sets of supporter guardrails 12 is one-on-one symmetry setting, it has gear 14 to mesh between the rack 15 on two sets of supporter guardrails 12, gear 14 is through changeing 16 fixed connection in 11 axial direction centers departments of second sleeve pipes, through rack 15, 14's design of gear, pull open arbitrary one side supporter guardrail 12, another side supporter guardrail 12 can do in step and stretch out the action, same principle when withdrawing, more facilitate the use.

The drive assembly comprises two sets of in-wheel motors 31, two sets of in-wheel motors 31 are all fixedly connected on one side opposite to two sets of wheels 13, two sets of in-wheel motors 31 inside walls are respectively connected with the two ends of the rotating shaft 20 in a rotating mode, two sets of wheels 13 are connected with the rotating shaft 20 in a rotating mode through two sets of in-wheel motors 31, and two sets of in-wheel motors 31 are the in-wheel motors 31 with good common waterproof performance in the market.

Power component includes the battery compartment body 24, the damping pad 25, area controller lithium cell 26, battery compartment body 24 fixed connection just is located between the multiunit strengthening rib 23 at the 1 inside wall in carriage, area controller lithium cell 26 joint is inboard at the battery compartment body 24, the damping pad 25 sets up between area controller lithium cell 26 outer wall and the 24 inside walls in the battery compartment body, area controller lithium cell 26 is covered by battery cang lid 17, damping pad 25 can avoid area controller lithium cell 26 to cause the damage with the 24 collisions in the battery compartment body in the transportation.

The waterproof assembly comprises a first sealing layer 28, a second sealing layer 29 and a third sealing layer 30, wherein the first sealing layer 28 is arranged between the end cover 27 and the rotating shaft 20, the second sealing layer 29 is arranged between the carriage 1 and the side cover 2, the third sealing layer 30 is arranged on the outer wall of the inner frame 22, the battery compartment cover 17 is sealed with the carriage 1 through the third sealing layer 30, and the vehicle can have the wading operation capability through the waterproof assembly.

The working principle is as follows: when in use, the folding hand assembly is opened, the supporting rod 9 is drawn out from the extension tube 5, the supporting foot 10 faces downwards, the supporting rod 9 is inserted into the casing joint 6 upwards, the vehicle is supported by the supporting rod 9, any group of commodity shelf guardrails 12 are pulled open, through the design of the rack 15 and the gear 14, any one side of the commodity shelf guardrail 12 is pulled open, the other side of the commodity shelf guardrail 12 can synchronously do stretching action, the stretched commodity shelf guardrails 12 have larger accommodating space, after goods are loaded, the supporting rod 9 is taken down and inserted into the inner side of the extension tube 5, a single person holds the handle 7, presses the control button 8 on the handle 7, provides power through the lithium battery 26 with the controller and controls the hub motor 31 to rotate, thereby drive the vehicle and carry out the transportation operation, the design of two sets of wheels 13 makes the vehicle can realize zero turning radius, and is more nimble, and waterproof assembly can ensure that the vehicle can carry out the degree of depth and wade the operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. Electronic helping hand handcart, including carriage (1), its characterized in that: the utility model discloses a folding hand-held power tool, including carriage (1), battery compartment cover (17), carriage (1), thing subassembly, battery compartment cover (17), hinge (18) that is close to and rotates between lower extreme position and carriage (1), fixedly connected with hasp (19) between the end of battery compartment cover (17) outer wall and keeping away from hinge (18) and carriage (1), battery compartment cover (17) towards the lateral wall fixedly connected with inside casing (22) of carriage (1), carriage (1) inboard lower wall fixedly connected with two sets of bearing frame (21), two sets of fixedly connected with multiunit strengthening rib (23) between bearing frame (21) upper surface and carriage (1) inboard lower wall, the inner walls of the two groups of bearing seats (21) are rotatably connected with rotating shafts (20), the rotating shafts (20) extend out of the outer walls of the two ends of the two groups of bearing seats (21) and penetrate through the two groups of side covers (2) to the outer side of the carriage (1), the two ends of the rotating shaft (20) are rotatably connected with wheels (13), a driving assembly for driving the wheels (13) to rotate is arranged between the rotating shaft (20) and the wheels (13), the opposite sides of the two groups of side covers (2) are fixedly connected with end covers (27), the two groups of end covers (27) are rotatably connected with the outer wall of the rotating shaft (20), the inner side of the carriage (1) is fixedly connected with a power assembly for providing power for the driving assembly, the power assembly is fixedly connected among a plurality of groups of reinforcing ribs (23), and the battery compartment cover (17) and the compartment (1), the end cover (27) and the rotating shaft (20) and the two groups of side covers (2) and the compartment (1) are fixedly connected with each other to form a waterproof assembly for sealing the interior of the compartment (1).

2. The electrically assisted cart of claim 1, wherein: the folding hand-holding assembly comprises four groups of supporting columns (3), the four groups of supporting columns (3) are fixedly connected to the top of a carriage (1) and are respectively positioned at four corners, two groups of opposite top parts of the four groups of supporting columns (3) are connected with a first sleeve (4) together, the inner sides of two ends of the two groups of first sleeves (4) are respectively connected with a telescopic pipe (5) in a sliding manner, the four groups of telescopic pipes (5) and the first sleeve (4) are limited by elastic pins, one end, far away from the first sleeve (4), of each telescopic pipe (5) of the four groups is fixedly connected with a sleeve joint (6), the top end of each sleeve joint (6) of the four groups is fixedly connected with a handle (7), the left surface and the right surface of each handle (7) of the four groups are provided with a control button (8), the left surface and the right surface of each sleeve joint (6) of the four groups are provided with a supporting rod (9), and one ends of the two groups of support rods (9) far away from the sleeve joint (6) are fixedly connected with support feet (10).

3. The electrically assisted cart of claim 1, wherein: put the thing subassembly and include two sets of second sleeve pipes (11), two sets of the equal fixed connection of second sleeve pipe (11) just is located folding hand subassembly inboard, two sets of the equal sliding connection in second sleeve pipe (11) both ends inboard has supporter guardrail (12), two sets of the one end that supporter guardrail (12) is relative is provided with rack (15), and is two sets of rack (15) on supporter guardrail (12) are symmetry setting one on the other, two sets of meshing has gear (14) between rack (15) on supporter guardrail (12), gear (14) are located through commentaries on classics round pin (16) fixed connection second sleeve pipe (11) axial direction.

4. The electrically assisted cart of claim 1, wherein: the drive assembly comprises two sets of wheel hub motors (31) and is two sets of the equal fixed connection of wheel hub motors (31) is arranged on one side opposite to two sets of wheels (13) and is two sets of the inner side wall of each wheel hub motor (31) is respectively connected with the two ends of a rotating shaft (20) in a rotating mode and is two sets of the wheels (13) are connected with the rotating shaft (20) in a rotating mode through the two sets of wheel hub motors (31).

5. The electrically assisted cart of claim 1, wherein: the power assembly comprises a battery compartment body (24), a vibration reduction pad (25) and a lithium battery (26) with a controller, wherein the battery compartment body (24) is fixedly connected to the inner side wall of a compartment (1) and located among a plurality of groups of reinforcing ribs (23), the lithium battery (26) with the controller is connected to the inner side of the battery compartment body (24), the vibration reduction pad (25) is arranged between the outer wall of the lithium battery (26) with the controller and the inner side wall of the battery compartment body (24), and the lithium battery (26) with the controller is covered by a battery compartment cover (17).

6. The electrically assisted cart of claim 1, wherein: the waterproof assembly comprises a first sealing layer (28), a second sealing layer (29) and a third sealing layer (30), the first sealing layer (28) is arranged between the end cover (27) and the rotating shaft (20), the second sealing layer (29) is arranged between the compartment (1) and the side cover (2), the third sealing layer (30) is arranged on the outer wall of the inner frame (22), and the battery compartment cover (17) is sealed with the compartment (1) through the third sealing layer (30).

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