Electric luggage barrow

Abstract

The utility model belongs to the technical field of luggage cases, and particularly relates to an electric luggage cart which comprises a case body and a handle rod, rear wheels are rotatably arranged at the bottom of the case body, a telescopic rod and an electric push rod used for driving the telescopic rod to move are arranged in the case body, and a power source and a control circuit used for controlling the electric push rod are further arranged in the case body. The handle rod is rotatably arranged on the telescopic rod, a front wheel is rotatably arranged at the lower end of the handle rod, the box body comprises a base and a storage box detachably arranged above the base, a storage cavity is formed in the storage box, a movable cover is arranged on the side wall of the storage cavity, the telescopic rod is slidably arranged on the base, and a battery bin is arranged in the base; the power source is detachably arranged in the battery bin, an electric connector detachably connected with the power source is arranged on the control circuit, and an end cover used for sealing the battery bin is movably arranged at the end of the battery groove.

Description

Technical Field

[0001] This utility model belongs to the field of luggage technology, and specifically relates to an electric luggage cart. Background Technology

[0002] Electric luggage carts are luggage that can be powered by electricity. They usually include a handlebar, and users can ride on the electric luggage cart and control the direction of movement by using the handlebar.

[0003] Most common electric luggage carts have a built-in power supply. During charging, the power supply in the electric luggage cart is charged by a charger. Some electric luggage carts on the market have a power supply that can be quickly removed, such as the new type of electric luggage cart disclosed in Chinese utility model patent CN 202022866093.X. It includes a box body, a front wheel located at the front of the bottom of the box body, and a rear wheel located at the rear of the bottom of the box body. An extension wheel and an extension component are provided on the rear of the bottom of the box body. An extension wheel is installed at one end of the extension component, and the other end is rotatably connected to the box body. A tension spring connects the box body and the extension component. An extension wheel placement groove corresponding to the extension wheel is opened at the bottom of the box body. A power supply and a socket are provided on the side of the box body. The socket has a power interface inside, and the power supply is slidably plugged into the socket and connected to the power interface.

[0004] In the above structure, since the power supply is located on the side of the box and exposed, it is easily damaged by bumps during use, and rainwater and other liquids can easily come into contact with the power interface, which can damage the power supply and control circuit of the electric luggage cart and affect its service life. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide an electric luggage cart with high safety and long service life.

[0006] The purpose of this utility model is achieved as follows:

[0007] An electric luggage cart includes a box and a handlebar. A rear wheel is rotatably mounted on the bottom of the box. A telescopic rod and an electric push rod for driving the telescopic rod are installed inside the box. The box also contains a power supply and a control circuit for controlling the electric push rod. A front wheel is rotatably mounted on the telescopic rod at the lower end of the handlebar. The box includes a base and a storage box detachably mounted on the base. The storage box has a storage cavity, and a movable cover is provided on the side wall of the storage cavity. The telescopic rod is slidably mounted on the base, and a battery compartment is provided in the base. The power supply is detachably mounted in the battery compartment. An electrical connector detachably connected to the power supply is provided on the control circuit. An end cap for sealing the battery compartment is movably mounted at the end of the battery compartment.

[0008] The utility model further sets up: the end cover and base pass through the clamping structure or the magnetic attraction structure and fix relatively, and make the end cover seal to the battery compartment, and be provided with the handle groove on the end cover, the external force acts on the handle groove, the end cover can be far from the battery groove and make the end cover and the battery groove open relatively.

[0009] The utility model further sets up: the base is provided with the installation cavity of installing telescopic link, and the telescopic link and control circuit are all set up in the installation cavity, and the installation cavity is set up independently with the battery compartment, and the first opening is provided at the front of the installation cavity, and the telescopic link passes into the installation cavity from the first opening.

[0010] The utility model further sets up: the base includes the left shell and right shell of detachable setting, and the closed installation cavity is formed between the left shell and right shell, and the battery compartment is set up on the left shell or the right shell.

[0011] The utility model further sets up: the guiding sleeve is set up between the left shell and right shell, and the telescopic link is connected with the guiding sleeve slidingly, and the first positioning protrusion is set up on the both sides of the guiding sleeve respectively, and the first positioning groove that is adapted with the first positioning protrusion is set up on the left shell and right shell, and the second positioning protrusion is set up on the both sides of the guiding sleeve, and the second positioning groove that is adapted with the second positioning protrusion is set up on the both sides of the installation cavity.

[0012] The utility model further sets up: the connecting seat is detachably set up between the left shell and right shell, and the fixed groove of installing the connecting seat is formed between the left shell and right shell.

[0013] The utility model further sets up: the fixed groove of installing the connecting seat is formed between the left shell and right shell, and the fixed groove of installing the connecting seat is formed between the left shell and right shell.

[0014] The utility model further sets up: the convex part for installing the rear wheel is set up below the base, and the reinforcing part of honeycomb is set up in the base, and the convex part is set up below the reinforcing part.

[0015] The utility model further sets up: the supporting convex edge for supporting the power supply is set up on the side wall of the battery compartment, and the inclined guiding surface is set up on the end of supporting convex edge, and the power supply can be guided to move to the side of supporting convex edge through the guiding surface.

[0016] The utility model further sets up: the second opening is set up at one end of the battery compartment, and the end cover can seal the second opening, and the electric connector is set up at the end of the battery compartment away from the second opening, and the electric connector can be electrically connected with the power supply during the process of inserting the power supply into the battery compartment.

[0017] Compared with the prior art, the utility model has the advantages of

[0018] 1、The detachable storage box and base in the utility model are convenient for users to use the storage box and base in combination, are convenient for users to separate the storage box and base for placement, are convenient for flexible use of the electric trolley, the battery compartment is arranged in the base, relative disassembly of the storage box and the base does not affect normal use of the base, the base is located below the box body, which is favorable for reducing the gravity center of the electric trolley, is convenient for improving the stability of the electric trolley, is favorable for improving the safety of the electric trolley, the setting of the end cover can avoid contact of the power supply and electric connector with rainwater and other liquids, avoids damage of the power supply and control circuit caused by this, and is favorable for prolonging the service life of the electric trolley.

[0019] 2、The utility model discloses a quick opening and closing of the end cover and the battery compartment are facilitated by the clamping structure or the magnetic attraction structure, which is convenient for users to use; the setting of the abutting convex and the abutting wall is convenient for stable installation of the storage box on the base, avoids the front and back movement of the storage box on the base, and the setting of the third positioning convex and the positioning groove avoids the left and right movement of the storage box on the base, which is favorable for stable connection of the storage box and the base.

[0020] 3、The utility model discloses since the installation cavity and the battery compartment are relatively independently arranged, and the telescopic rod and the control circuit are arranged in the installation cavity, sundries and the like are not easy to contact the telescopic rod and the control circuit in the power supply dismounting process, damage of the electric trolley caused by this is avoided, the service life of the electric trolley is prolonged; the setting of the left shell and the right shell is convenient for forming a closed installation cavity, and the telescopic rod and the control circuit are convenient to install.

[0021] 4、The setting of the guide sleeve is convenient for stable sliding of the telescopic rod, avoids accidental damage of the left shell and the right shell, the setting of the first positioning convex, the first positioning groove, the second positioning convex and the second positioning groove is convenient for positioning installation of the guide sleeve, avoids relative shaking of the guide sleeve and the left shell and the right shell; the setting of the connecting seat is convenient for stable connection of the electric push rod and the base, and is convenient for assembly and production of the electric trolley.

[0022] 5、The setting of the reinforcing part and the convex part avoids damage of the base caused by excessive force on the rear wheel in the use process, prolongs the service life of the electric trolley; the setting of the supporting convex edge is convenient for stable installation of the power supply, reduces friction of the power supply in the installation and dismounting process, and the setting of the guide surface is convenient for quick installation of the power supply into the battery compartment; since the ports of the battery compartment and the installation cavity are arranged at two ends of the electric trolley respectively, users can conveniently replace the power supply, and the rear side is not easy to contact rainwater and other liquids in the movement process of the electric trolley, which is favorable for reducing the failure of the electric trolley and prolonging the service life of the electric trolley. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the utility model one;

[0024] Figure 2 is a structural schematic view of the utility model two;

[0025] Figure 3 is a sectional view of the utility model;

[0026] Figure 4 is an explosive schematic view of the utility model;

[0027] Figure 5 is a connection structure schematic view of the utility model telescopic rod, electric push rod on the left shell;

[0028] Figure 6 is a structural schematic view of the utility model left shell one;

[0029] Figure 7 is a structural schematic view of the utility model left shell two;

[0030] Figure 8 is a structural schematic view of the utility model sliding sleeve.

[0031] Figure label meaning: 1 - box;11 - base;12 - storage box;13 - end cover;14 - connecting seat;

[0032] 15 - guide sleeve;111 - left shell;112 - right shell;113 - installation cavity;114 - first opening;

[0033] 115 - reinforcing portion;116 - protruding portion;117 - abutting protrusion;118 - abutting wall;119 - third positioning protrusion;1111 - battery compartment;1112 - first positioning groove;1113 - second positioning groove;1114 - fixed groove;1115 - support convex edge;1116 - guide surface;1117 - electric connector;121 - storage cavity;122 - positioning groove;131 - handle slot;151 - first positioning protrusion;152 - second positioning protrusion;2 - handle rod;3 - telescopic rod;4 - rear wheel;41 - front wheel;5 - electric push rod. DETAILED DESCRIPTION

[0034] The utility model is further described in conjunction with the specific embodiment with the accompanying drawings:

[0035] Referring to Figures 1 to 8As shown, an electric trolley includes a box body 1 and a handle rod 2, the bottom of the box body 1 is rotatably provided with a rear wheel 4, the box body 1 is provided with an extension rod 3 and an electric push rod 5 for driving the extension rod 3 to move, and the box body 1 is also provided with a power supply and a control circuit for controlling the electric push rod 5, the handle rod 2 is rotatably arranged on the extension rod 3, and the lower end of the handle rod 2 is rotatably provided with a front wheel 41, the box body 1 includes a base 11 and a storage box 12 which is detachably arranged above the base 11, the storage box 12 is provided with a storage cavity 121, a movable cover is arranged on the side wall of the storage cavity 121, the extension rod 3 is slidably arranged on the base 11, and the base 11 is provided with a battery compartment 1111, the power supply is detachably arranged in the battery compartment 1111, and the control circuit is provided with an electric connector 1117 which is detachably connected with the power supply, the detachable storage box 12 and the base 11 facilitate the user to combine the storage box 12 and the base 11 for use, and also facilitate the user to separate the storage box 12 and the base 11 for placement, thereby facilitating the flexible use of the electric trolley, and in the structure, the battery compartment 1111 is arranged in the base 11, so that the relative disassembly of the storage box 12 and the base 11 does not affect the normal use of the base 11, and since the base 11 is located below the box body 1, the center of the electric trolley is lowered, the stability of the electric trolley is improved, and the safety of the electric trolley is improved.

[0036] The end portion of the battery groove is movably provided with an end cover 13 for sealing the battery compartment 1111, the arrangement of the end cover 13 can avoid the contact of the power supply and the electric connector 1117 with rainwater and other liquids, thereby avoiding the damage of the power supply and the control circuit caused by the contact, and facilitating the extension of the service life of the electric trolley.

[0037] The side wall of the battery compartment 1111 is provided with a plurality of supporting convex edges 1115 for supporting the power supply, and the end portion of the supporting convex edge 1115 is provided with an inclined guide surface 1116, the power supply can be guided and moved to the side surface of the supporting convex edge 1115 through the guide surface 1116, the arrangement of the supporting convex edge 1115 facilitates the stable installation of the power supply and reduces the friction of the power supply during the installation and disassembly process, and the arrangement of the guide surface 1116 facilitates the quick installation of the power supply into the battery compartment 1111.

[0038] In the embodiment, the power supply is fixed in the battery compartment 1111 through a clamping structure, and the specific structure is the common battery pack installation structure in the market, although the power supply is not shown in the drawings of the utility model specification, but the person skilled in the art can realize the technical scheme according to the specification and the drawings of the specification.

[0039] The end cover 13 and the base 11 are relatively fixed through a clamping structure or a magnetic attraction structure, and the end cover 13 seals the battery compartment 1111, the clamping structure or the magnetic attraction structure facilitates the quick opening and closing of the end cover 13 and the battery compartment 1111, and facilitates the use of the user.

[0040] When the end cover 13 is connected with the base 11 through the clamping structure, the elastic clamping hook, the pressing type spring buckle and the like structure can be adopted, when the end cover 13 is connected with the base 11 through the magnetic attraction structure, the magnetic attraction members capable of being attracted to each other are respectively arranged on the end cover 13 and the base 11, the structure is not specifically shown in the description of the drawings, but the person skilled in the art can realize the technical solution according to the content of the description and the description of the drawings.

[0041] The end cover 13 is provided with the handle slot 131 in the embodiment, the external force is applied to the handle slot 131, the end cover 13 can be away from the battery slot and make the end cover 13 open relative to the battery slot, the handle slot 131 is convenient for the user to control the end cover 13 to open relative to the battery compartment 1111.

[0042] The base 11 is provided with the mounting cavity 113 for mounting the telescopic rod 3, the telescopic rod 3 and the control circuit are arranged in the mounting cavity 113, the mounting cavity 113 is arranged independently relative to the battery compartment 1111, the first opening 114 is arranged at the front of the mounting cavity 113, the telescopic rod 3 passes into the mounting cavity 113 from the first opening 114, in the structure, since the mounting cavity 113 is arranged independently relative to the battery compartment 1111, and the telescopic rod 3 and the control circuit are arranged in the mounting cavity 113, the sundries and the like are not easy to contact the telescopic rod 3 and the control circuit in the process of dismounting the power supply, the damage of the electric trolley caused by this is avoided, and the service life of the electric trolley is beneficial to prolong.

[0043] One end of the battery compartment 1111 is provided with the second opening in the utility model, the end cover 13 can seal the second opening, the electric connector 1117 is arranged at the end of the battery compartment 1111 away from the second opening, the electric connector 1117 can be electrically connected with the power supply in the process of inserting the power supply into the battery compartment 1111, since the ports of the battery compartment 1111 and the mounting cavity 113 are arranged at two ends of the electric trolley respectively, the user is convenient to replace the power supply, and the rear side of the electric trolley is not easy to contact the rainwater and the like liquid in the process of moving the electric trolley, which is beneficial to reduce the failure of the electric trolley and prolong the service life of the electric trolley.

[0044] The base 11 comprises the left shell 111 and the right shell 112 which are detachably arranged, the closed mounting cavity 113 is formed between the left shell 111 and the right shell 112, the battery compartment 1111 is arranged on the left shell 111 or the right shell 112, the closed mounting cavity 113 can avoid the sundries from entering the mounting cavity 113 and contacting the telescopic rod 3 and the control circuit when the battery compartment 1111 is opened, which is beneficial to prolong the service life of the electric trolley, and the left shell 111 or the right shell 112 which are detachably arranged are convenient for mounting the telescopic rod 3 and the control circuit.

[0045] The guiding sleeve 15 is arranged between the left shell 111 and the right shell 112, the telescopic rod 3 is slidably connected with the guiding sleeve 15, first positioning protrusions 151 are arranged on the two sides of the guiding sleeve 15, first positioning grooves 1112 adapted to the first positioning protrusions 151 are arranged on the left shell 111 and the right shell 112, second positioning protrusions 152 are arranged on the upper and lower sides of the guiding sleeve 15, second positioning grooves 1113 adapted to the second positioning protrusions 152 are arranged on the upper and lower sides of the mounting cavity 113, the guiding sleeve 15 is arranged to facilitate the stable sliding of the telescopic rod 3, and the left shell 111 and the right shell 112 are prevented from being accidentally damaged, the first positioning protrusions 151, the first positioning grooves 1112, the second positioning protrusions 152 and the second positioning grooves 1113 are arranged to facilitate the positioning and installation of the guiding sleeve 15, and the guiding sleeve 15 is prevented from shaking relative to the left shell 111 and the right shell 112.

[0046] The connecting seat 14 is detachably arranged between the left shell 111 and the right shell 112 in the embodiment, the fixing groove 1114 for mounting the connecting seat 14 is formed between the left shell 111 and the right shell 112, the connecting seat 14 is arranged to facilitate the stable connection of the electric push rod 5 and the base 11, and the assembly and production of the electric trolley are facilitated.

[0047] The mounting cavity 113, the first positioning groove 1112 and the second positioning groove 1113 are arranged on the left shell 111 in the drawings of the utility model specification, the mounting cavity 113, the first positioning groove 1112 and the second positioning groove 1113 can also be arranged on the right shell 112, or the mounting cavity 113, the first positioning groove 1112 and the second positioning groove 1113 can not be arranged on the right shell 112, and a person skilled in the art can realize the structure of the right shell 112 according to the drawings of the left shell 111.

[0048] The abutting protrusions 117 are formed by extending upwards at the front and rear ends of the base 11, the abutting walls 118 are arranged on the abutting protrusions 117 at the front and rear of the base 11, the abutting walls 118 are abutted at the front and rear sides of the storage box 12 respectively, the third positioning protrusions 119 extending to the front and rear sides of the base 11 are arranged on the upper end of the base 11, and the positioning grooves 122 adapted to the third positioning protrusions 119 are arranged on the bottom of the storage box 12, the abutting protrusions 117 and the abutting walls 118 are arranged to facilitate the stable installation of the storage box 12 on the base 11, and the storage box 12 is prevented from moving forward and backward on the base 11, the third positioning protrusions 119 and the positioning grooves 122 are arranged to prevent the storage box 12 from moving left and right on the base 11, and the stable connection of the storage box 12 and the base 11 is facilitated.

[0049] Since the base 11 is mainly supported by the rear wheels 4, when the load on the base 11 is too large, the connecting position of the base 11 and the rear wheels 4 is prone to be damaged, and the utility model discloses the convex portion 116 for installing the rear wheel 4 is arranged under the base 11, the honeycomb-shaped reinforcing portion 115 is arranged in the base 11, the convex portion 116 is arranged under the reinforcing portion 115, the setting of the reinforcing portion 115 and the convex portion 116 avoids that the rear wheels 4 are too large in force during use to cause the base 11 to be damaged, and it is favorable to prolong the service life of the electric trolley.

[0050] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. An electric luggage cart, comprising a box body (1) and a handlebar (2), wherein a rear wheel (4) is rotatably mounted on the bottom of the box body (1), a telescopic rod (3) and an electric push rod (5) for driving the telescopic rod (3) are disposed in the box body (1), and a power supply and a control circuit for controlling the electric push rod (5) are also disposed in the box body (1), the handlebar (2) is rotatably mounted on the telescopic rod (3), and a front wheel (41) is rotatably mounted on the lower end of the handlebar (2), characterized in that: The box (1) comprises a base (11) and a storage box (12) detachably arranged above the base (11), a storage cavity (121) is arranged in the storage box (12), a movable cover is arranged on the side wall of the storage cavity (121), a telescopic rod (3) is slidingly arranged on the base (11), a battery compartment (1111) is arranged in the base (11), a power supply is detachably arranged in the battery compartment (1111), and an electrical connector (1117) detachably connected with the power supply is arranged on the control circuit.

2. The electric trolley according to claim 1, characterized in that: The end cover (13) and the base (11) are relatively fixed through a clamping structure or a magnetic attraction structure, the end cover (13) seals the battery compartment (1111), and a handle groove (131) is arranged on the end cover (13), an external force is applied to the handle groove (131), the end cover (13) can move away from the battery groove and relatively open the end cover (13) and the battery groove.

3. The electric trolley according to claim 1, characterized in that: The base (11) is provided with a mounting cavity (113) for mounting the telescopic rod (3), the telescopic rod (3) and the control circuit are arranged in the mounting cavity (113), the mounting cavity (113) is arranged independently with respect to the battery compartment (1111), and a first opening (114) is arranged at the front of the mounting cavity (113), and the telescopic rod (3) penetrates into the mounting cavity (113) from the first opening (114).

4. The electrically motorized luggage cart of claim 3, wherein: The base (11) comprises a left shell (111) and a right shell (112) which are detachably arranged, and the left shell (111) and the right shell (112) form a closed mounting cavity (113) therebetween, and the battery compartment (1111) is arranged on the left shell (111) or the right shell (112).

5. The electrically motorized luggage cart of claim 4, wherein: The left shell (111) and the right shell (112) are provided with a guide sleeve (15), the telescopic rod (3) is slidingly connected with the guide sleeve (15), first positioning protrusions (151) are arranged on the two sides of the guide sleeve (15), first positioning grooves (1112) matched with the first positioning protrusions (151) are arranged on the left shell (111) and the right shell (112), second positioning protrusions (152) are arranged on the upper and lower sides of the guide sleeve (15), and second positioning grooves (1113) matched with the second positioning protrusions (152) are arranged on the upper and lower sides of the mounting cavity (113).

6. The electrically motorized luggage cart of claim 4, wherein: The left shell (111) and the right shell (112) are further detachably provided with a connecting seat (14), and the left shell (111) and the right shell (112) form a fixing groove (1114) for mounting the connecting seat (14).

7. The electrically motorized luggage cart of claim 1, wherein: The base (11) is provided with resistance protrusions (117) extending upward at the front and rear ends, respectively, resistance walls (118) are arranged on the resistance protrusions (117) at the front and rear ends of the base (11) in a relative manner, the resistance walls (118) are tightly arranged on the front and rear sides of the storage box (12), respectively, and the base (11) is provided with third positioning protrusions extending to the front and rear sides of the base (11) at the upper end, and the bottom of the storage box (12) is provided with positioning grooves (122) matched with the third positioning protrusions.

8. The electrically motorized luggage cart of claim 1, wherein: The bottom base (11) is provided with a convex part (116) for installing a rear wheel (4), and the bottom base (11) is provided with a honeycomb-shaped reinforcing part (115), and the convex part (116) is arranged below the reinforcing part (115).

9. The electrically motorized luggage cart of claim 1, wherein: The side wall of the battery compartment (1111) is provided with a plurality of support convex edges (1115) for supporting the power supply, and the end of the support convex edge (1115) is provided with an inclined guide surface (1116), and the power supply can be guided to move to the side surface of the support convex edge (1115) through the guide surface (1116).

10. The electrically motorized luggage cart of claim 1, wherein: One end of the battery compartment (1111) is provided with a second opening, and the end cover (13) can seal the second opening, and the electric connector (1117) is arranged at the end of the battery compartment (1111) away from the second opening, so that the electric connector (1117) can be electrically connected with the power supply during the power supply is inserted into the battery compartment (1111).

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