CN114336858A

CN114336858A - A charger

Info

Publication number: CN114336858A
Application number: CN202111655365.4A
Authority: CN
Inventors: 陆春桃; 严安; 霍晓辉
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-04-12

Abstract

The present invention provides a charger, including: the device comprises a shell, a handle, a first roller and a support assembly; wherein, a plurality of battery cavities are arranged in the shell; the handle is used for being held by a user and is movably connected with the shell; the first roller is rotatably arranged at the bottom of the shell; the supporting component is arranged at the bottom of the shell; when the charger is dragged, the handle is held, and the charger is inclined and slides relative to the ground through the first roller; when the charger is horizontally placed, the first roller and the support assembly are in contact with the ground. The invention aims to solve the problem that the conventional charger is difficult to carry.

Description

A charger

Technical Field

The invention relates to the field of battery pack charging, in particular to a charger.

Background

The garden tool is a maintenance device for human green landscape, which is a mechanized tool, such as a mower, a grass pusher, a grass trimmer and the like, which replaces most of manual labor with the maintenance of lawns, hedges, flowers and trees as operation objects. The battery pack provides power for the garden tool and is a rechargeable power supply. The battery pack charger is used for charging the battery pack. The existing battery pack charger has heavier weight, and if the battery pack charger is placed in a battery pack, the battery pack charger has heavier weight, is difficult to move and is not beneficial to carrying; and the existing battery pack charger has poor waterproof performance and leakage risk.

Disclosure of Invention

In view of the above disadvantages of the prior art, the present invention provides a charger to improve the problems of the prior art that the conventional charger is difficult to transport and has poor waterproof performance.

To achieve the above and other related objects, the present invention provides a charger, comprising: the device comprises a shell, a handle, a first roller and a support assembly; the shell is internally provided with a plurality of battery cavities, and the battery cavities are internally provided with charging grooves; the handle is used for being held by a user and is movably connected with the shell; the first roller is rotatably arranged at the bottom of the shell; the supporting component is arranged at the bottom of the shell; when the charger is dragged, the handle is held, and the charger is inclined and slides relative to the ground through the first roller; when the charger is horizontally placed, the first roller and the support assembly are in contact with the ground.

In an embodiment of the present invention, a position-limiting structure is disposed between the handle and the housing, and the position-limiting structure includes a first position-limiting member and a second position-limiting member, the first position-limiting member is disposed on the handle, and the second position-limiting member is disposed on the housing and cooperates with the first position-limiting member to limit the handle.

In an embodiment of the present invention, the housing is provided with a connecting end, the handle portion is located in the connecting end, the handle can rotate in the connecting end, the first limiting member is a sheet structure, the second limiting member is a limiting rib, and the limiting rib is disposed on an inner wall of the connecting end.

In one embodiment of the invention, the initial position of the handle is a first position, the limit position of the handle is a second position, the angle between the first position and the second position of the handle is 80-120 degrees, and the handle can rotate freely between the first position and the second position.

In an embodiment of the present invention, the handle includes a handle body, a connecting rod, and a first shaft, the handle body is fixedly connected to the first shaft through the connecting rod, and at least one end of the first shaft is a first limiting member.

In an embodiment of the present invention, the connecting rod includes a first rod and a second rod, the first rod and the second rod are connected smoothly, and an angle range between the first rod and the second rod is: 110-180 degrees.

In one embodiment of the present invention, the handle includes two connecting rods, the two connecting rods divide the handle body into a first handheld portion, a second handheld portion, and a third handheld portion, and the length of the second handheld portion is: 5-15 cm; the length of the first handheld part and/or the third handheld part is as follows: 5-12 cm.

In one embodiment of the present invention, the first handheld portion and/or the third handheld portion is provided with an anti-slip cover, and the anti-slip cover is provided with anti-slip lines.

In one embodiment of the present invention, the first roller is detachably mounted to the bottom of the housing.

In an embodiment of the present invention, the charger includes two first rollers, the two first rollers are connected through a second shaft, the second shaft is rotatably connected to the first rollers, and the second shaft is detachably mounted at the bottom of the housing.

In one embodiment of the present invention, the first roller and the second shaft are connected by a ball bearing.

In one embodiment of the invention, the support assembly is removably mounted to the bottom of the housing.

In one embodiment of the present invention, the supporting component is a bracket, a first side of the bracket contacts with the ground, and a second side of the bracket is connected with the bottom of the casing.

In one embodiment of the invention, the first side of the stand is in point contact or continuous interface contact with the ground surface.

In an embodiment of the invention, the first side of the holder is provided with a wear part, which is in contact with the ground.

In one embodiment of the invention, the width of the bracket is smaller than the maximum track width of the first roller in the same direction.

In an embodiment of the present invention, the supporting component is a second roller, and the second roller and the first roller are disposed in the same direction and at an interval.

In an embodiment of the present invention, the charger further includes an auxiliary component, the auxiliary component is disposed at the bottom of the housing, and when the charger is lifted, one end of the auxiliary component contacts with the ground, and the charger is lifted by using the end contacting with the ground as a fulcrum and matching with an external force.

In one embodiment of the present invention, the auxiliary assembly comprises: the drawing rod is horizontally arranged at the bottom of the shell and can be drawn in the horizontal direction, and when the drawing rod is in an initial state, drawn to a first length and drawn to a second length, the drawing rod is in a locking state.

In an embodiment of the present invention, the auxiliary assembly further comprises: the first supporting legs are arranged at the end part of the drawing rod, which is in contact with the ground.

In an embodiment of the present invention, the charger further includes a second supporting leg, the second supporting leg is disposed on the housing, and the charger is stably placed under the cooperation of the first roller and the second supporting leg.

In an embodiment of the present invention, the charger further comprises a drain assembly disposed within the housing, the drain assembly comprising a first drain assembly and a second drain assembly disposed in the housing; the casing is including last casing, well casing and the lower casing that sets gradually, and well casing and the internal correspondence of inferior valve have arranged first wind window and second wind window, are provided with the first wind window that the multiunit subtend was arranged on the well casing, and the inside first drainage subassembly that disposes of well casing that every first wind window corresponds.

In one embodiment of the present invention, a first drain assembly includes: a first water collection tank; the first water collecting tank is arranged at the bottom of the middle shell and is positioned beside the first air window; the first water collecting tank is provided with a first water outlet, and the first water outlet is in contact with the side wall of the middle shell.

In an embodiment of the present invention, the first water collecting tank further includes a first waterproof rib, the first waterproof rib is disposed at one side of the middle shell facing the upper shell and at an edge of the first water collecting tank, and the first waterproof rib is provided with a plurality of first openings; the bottom of the first water collecting tank is also provided with a second water outlet, and the bottom surface of the water collecting tank inclines towards the first water outlet.

In an embodiment of the invention, the first drainage assembly further comprises a second waterproof rib and a through hole, the second waterproof rib is arranged on one side of the bottom of the first water collecting tank facing the lower shell, a first isolation rib is arranged inside the second waterproof rib, the first isolation rib isolates a region defined by the second waterproof rib into a first cavity and a second cavity, the first cavity is communicated with the first water outlet and faces to the adjacent side wall of the middle shell and the opening of the lower shell respectively, the second cavity is communicated with the second water outlet and faces to the opening of the lower shell, and the sections of the first isolation rib and the second waterproof rib parallel to the isolation rib facing the lower shell are cylindrical surfaces; the through hole is formed in the bottom of the middle shell, the second flanging is distributed on the periphery of the through hole, the second flanging faces the upper shell, and the electric connection terminal of the battery pack is located outside the second flanging. The first water outlet and the second water outlet are both positioned above the second water collecting tank.

In an embodiment of the invention, the lower shell is provided with a plurality of groups of second air windows which are arranged oppositely, a second drainage assembly is arranged in the lower shell corresponding to each second air window, the first drainage assembly and the second drainage assembly are buckled up and down, and a water outlet of the second drainage assembly is communicated with the outside, so that the second drainage assembly receives accumulated water discharged by the first drainage assembly and discharges the accumulated water through the water outlet of the second drainage assembly.

In an embodiment of the invention, the second drainage assembly comprises a second water collecting tank and a third water prevention rib, and the second water collecting tank is arranged at the bottom of the lower shell and is positioned beside the second air window; the periphery of second water catch bowl is provided with third prevention water muscle, and the waterproof muscle of second and third prevention water muscle lock, the bottom of second water catch bowl is provided with the delivery port of a plurality of and external intercommunication.

In one embodiment of the present invention, each of the first louver and the second louver is composed of a plurality of parallel inclined ribs arranged at equal intervals, and the inclined ribs are inclined downward from a horizontal plane by 35 ° to 50 °.

In an embodiment of the invention, the high-side edge of at least part of the inclined rib in the first louver and the second louver extends upwards to form a first flanging.

In an embodiment of the invention, the charger further includes a fourth waterproof rib, and the fourth waterproof rib is disposed on the upper housing and located at an edge of the battery cavity.

In an embodiment of the present invention, the charger further includes a first seam allowance, and the first seam allowance is disposed at a seam between the charging bin and the middle housing.

In an embodiment of the invention, the charger further includes a second seam allowance, and the second seam allowance is disposed at a seam between the middle housing and the lower housing and partially covers the seam between the middle housing and the lower housing.

According to the charger, the bottom of the shell is provided with the roller, the lifting handle can enable the charger to move by means of rolling of the first roller, and the first roller is matched with the supporting assembly to enable the charger to be placed stably, so that the problem that the existing charger is difficult to carry can be solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a charger according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a charger according to an embodiment of the present invention with an upper cover removed;

FIG. 3 is a schematic diagram of a battery chamber according to the present invention;

FIG. 4 is an exploded view of the housing of the present invention;

FIG. 5 is a schematic structural view of a position limiting structure according to the present invention;

FIG. 6 is a schematic view of a handle according to one embodiment of the present invention;

FIG. 7 is an assembly view of the lower housing, the support assembly, and the first roller of the present invention in one embodiment;

fig. 8 is a schematic structural view of the drawing rod of the present invention in a first state;

fig. 9 is a schematic structural view of the drawing rod of the present invention in a second state;

fig. 10 is a schematic structural view of the drawing rod of the invention in a third state;

FIG. 11 is a bottom view of the housing according to one embodiment of the present invention;

FIG. 12 is an enlarged view of a portion of the area A of FIG. 12 in accordance with the present invention;

FIG. 13 is an enlarged view of a portion of the invention in the area B of FIG. 12;

FIG. 14 is an enlarged view of a portion of the invention taken in the area C of FIG. 12;

FIG. 15 is a schematic view of the second spigot of the invention shown in the first end of the middle housing;

FIG. 16 is a schematic view of a first louver according to an embodiment of the present invention;

FIG. 17 is an exploded view of the lower housing and circuit board anti-rattle assembly of the present invention;

fig. 18 is a schematic view of the gamma angle of the present invention.

Description of the element reference numerals

100. A housing; 110. an upper housing; 111. a fourth axis; 112. a second limiting member; 113. a connecting end; 120. a middle shell; 121. a first louver; 1211. inclining the ribs; 1212. a first flanging; 130. a lower housing; 131. a second louver; 200. a battery cavity; 300. a handle; 301. a first limit piece; 302. a first shaft; 310. a handle body; 311. a first hand-held section; 312. a second hand-held section; 313. a third hand-held portion; 320. a connecting rod; 321. a first rod body; 322. a second rod body; 400. a first roller; 401. a second shaft; 500. a support assembly; 510. a support; 511. a first frame body; 512. a second frame body; 513. a wear part; 520. a second roller; 521. a third axis; 600. an auxiliary component; 601. a first leg; 602. a pull rod; 603. a pull button; 700. a second leg; 800. a drainage assembly; 810. a first water collection tank; 811. a first water outlet; 812. a first waterproof rib; 813. a second water outlet; 820. a second waterproof rib; 821. a first spacer rib; 822. a first chamber; 823. a second chamber; 830. a through hole; 831. second flanging; 840. a second water collection tank; 841. a third water outlet; 850. a fourth waterproof rib; 860. a first spigot; 870. a second spigot; 880. third prevention of water retention; 900. a battery pack shock assembly; 1000. the circuit board takes precautions against earthquakes the subassembly.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description only, and are not intended to limit the scope of the invention, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

Referring to fig. 1 to 4, the present invention provides a charger, including: the housing 100, the handle 300, the first roller 400, and the support assembly 500; a plurality of battery cavities 200 are arranged in the shell 100, and charging grooves are arranged in the battery cavities 200; the handle 300 is held by a user and movably connected with the housing 100; the first roller 400 is rotatably disposed at the bottom of the housing 100; the support assembly 500 is mounted to the bottom of the housing 100. When the charger is pulled, the handle 300 is held, and the charger is inclined with respect to the ground and slides with respect to the ground by the first roller 400; when the charger is horizontally placed, the first roller 400 and the support assembly 500 are in contact with the ground. The charging groove is provided with an electric terminal which is used for electrically connecting the battery pack and a circuit board assembly for charging. The handle 300 is located at the first end of the housing 100, the first roller 400 is located at the bottom of the housing 100, and the distance from the first roller 400 to the second end of the housing 100 is less than the distance from the first end of the housing 100, and the first end and the second end are opposite to each other.

Referring to fig. 1 and 5, in an embodiment of the present invention, a connecting end 113 is disposed on the housing 100, a portion of the handle 300 is located in the connecting end 113, a limiting structure is disposed between the handle 300 and the connecting end 113, the limiting structure includes a first limiting member 301 and a second limiting member 112, the first limiting member 301 is disposed on the handle 300, and the second limiting member 112 is disposed on an inner wall of the connecting end 113 and is engaged with the first limiting member 301. The first limiting member 301 and the second limiting member 112 are used together, so that the handle 300 can only rotate within an allowable angle range. The handle 300 includes a handle body 310, a connecting rod 320, and a first shaft 302, and the handle body 310 is fixedly connected to the first shaft 302 through the connecting rod 320.

In an embodiment of the present invention, the first limiting member 301 is a limiting protrusion, and the second limiting member 112 is a limiting groove, which are used together to achieve the groove limiting.

Referring to fig. 5, in an embodiment of the invention, the first limiting member 301 is a sheet structure, the second limiting member 112 is a limiting rib, and the limiting rib is disposed on an inner wall of the connecting end 113. The flaky limiting structure and the limiting rib have the advantages of simple structure, material saving, high strength, good stability and good limiting effect.

Referring to fig. 6, at least one end of the first shaft 302 is provided with a first limiting member 301, and the first limiting member 301 and the first shaft 302 may be an integral structure. The integrated structure has the advantages of convenient processing, high strength and the like.

Referring to fig. 1, in an embodiment of the present invention, an initial position of the handle 300 is a first position, a limit position of the handle 300 is a second position, an angle α between the first position and the second position of the handle 300 is 80 degrees to 120 degrees, and the handle 300 can rotate freely between the first position and the second position with the first shaft 302 as a fulcrum. The rotation angle α is an angle between an initial state and a final state of the handle, and the initial state is a state in which the handle 300 in the rest state is located at a position where it should be placed, for example, i-position in fig. 1. The end state is a state in which the handle 300 is rotated to a limit position, for example, position ii in fig. 1. The handle 300 can be rotated anywhere from 0 degrees to alpha between the first and second positions. It should be noted that, for a certain finished handle 300, the maximum rotation angle is inconvenient to fix. Referring to fig. 18, if the maximum rotation angle of the handle 300 needs to be adjusted, the angle γ between the first limiting member 301 and the connecting rod 320 needs to be adjusted before the handle 300 is manufactured. The handle 300 can be rotated by an angle α of 80 to 120 degrees by adjusting the angle γ.

Referring to fig. 1, in an embodiment of the present invention, the connecting rod 320 includes a first rod 321 and a second rod 322, the first rod 321 is smoothly connected to the second rod 322, and an angle β between the first rod 321 and the second rod 322 is within a range: beta is more than or equal to 110 degrees and less than or equal to 180 degrees. The first rod 321 and the second rod 322 are integrally formed or welded. The angle beta is within the angle range, so that a carrier can apply force conveniently in the process of carrying the charger, and the comfort of the carrier is improved.

Referring to fig. 6, in an embodiment of the present invention, the handle 300 includes two connecting rods 320, the two connecting rods 320 divide the handle body 310 into a first holding portion 311, a second holding portion 312, and a third holding portion 313, the length of the second holding portion 312 is: 5-15 cm; the length of the first hand-held portion 311 and/or the third hand-held portion 313 is: 5-12 cm. The length setting range meets the use requirements of the palm of the human body, and the use feeling is further improved. The first handheld portion 311 and/or the third handheld portion 313 are/is provided with an anti-slip sleeve, and anti-slip lines are arranged on the anti-slip sleeve.

Referring to fig. 1 and 7, in an embodiment of the present invention, a roller 400 is detachably mounted at the bottom of the housing. The roller 400 and the housing 100 are detachably mounted to facilitate disassembly and assembly and post-maintenance. The user can choose to remove the roller 400 from the housing according to his or her needs (e.g., to securely store the charger).

Referring to fig. 8, in an embodiment of the present invention, a charger includes: two first gyro wheels 400 are equipped with second axle 401 between two first gyro wheels 400, and second axle 401 rotates with first gyro wheel 400 to be connected, and second axle 401 demountable installation is in the bottom of casing 100. The bottom of the housing 100 is provided with a first mounting groove for receiving the second shaft 401, and the second shaft 401 can rotate in the first mounting groove.

In one embodiment of the present invention, the first roller 400 and the second shaft 401 are connected by ball bearings. The ball bearing can provide certain flexible floating space for the roller, thereby having certain buffering effect and achieving the damping effect. When the handle is pulled, only the first roller of the whole charger is contacted with the ground, and the rest part of the charger is separated from the ground. Through carrying the handle, can drag first gyro wheel and rotate, easily transport the charger.

In an embodiment of the present invention, the roller 400 may also be a directional or universal wheel directly mounted to the rear end of the bottom of the housing 100.

Referring to fig. 1, in one embodiment of the present invention, a support assembly 500 is detachably mounted on the bottom of a housing 100. The detachable installation makes the supporting component 500 more flexible in the using process, and the user can disassemble and assemble the supporting component 500 according to the actual requirement.

In one embodiment of the present invention, the supporting member 500 is a bracket 510, a first side of the bracket 510 contacts the ground, and a second side of the bracket 510 is connected to the bottom of the casing 100. The width of the bracket 510 is smaller than the maximum track width of the first roller 400, wherein the width of the bracket 510 refers to the maximum dimension of the bracket 510 in the direction parallel to the second axis 401, and the track width of the roller 400 refers to the distance between two first rollers. The first side of the bracket 510 is in point contact or continuous interface contact with the ground surface. A wear part 513 is provided on a first side of the bracket 510, and when the charger is placed horizontally, the wear part 513 is in contact with the ground.

Referring to fig. 7, in an embodiment of the present invention, the bracket 510 includes a first bracket body 511 and a second bracket body 512, the first bracket body 511 and the second bracket body 512 are connected by a wear-resistant member 513, the wear-resistant member 513 is detachably connected to the first bracket body 511, and the wear-resistant member 513 is detachably connected to the second bracket body 512.

In an embodiment of the present invention, the bracket 510 is an integrally formed structure, and the wear-resistant members 513 are disposed on two sides of the bracket 510. The wear-resistant part 513 can be a rubber ring, and the rubber ring is used for wear-resistant buffering, so that the service life of the support 510 can be effectively prolonged.

Referring to fig. 8, in an embodiment of the present invention, the supporting member 500 is a second roller 520, and the second roller 520 is disposed in the same direction and spaced apart from the first roller 400. The first roller 400 and the second roller 520 are used in cooperation, so that the charger can be stably placed, i.e. horizontally placed, and can be stably moved. In the present embodiment, there are two types of ways to move the charger by means of the roller: firstly, the handle 300 is lifted, so that only the first roller 400 of the whole charger is in contact with the ground, and the charger is moved by means of the first roller 400; second, the first roller 400 and the second roller 520 are both in contact with the ground, the handle 300 is pulled or the housing 100 is pushed, and the charger is moved by means of the first roller 400 and the second roller 520.

Referring to fig. 8, in an embodiment of the present invention, the second roller 520 includes: two second rollers 520 and a third shaft 521, wherein the two second rollers 520 are rotatably mounted on the third shaft 521, and the third shaft 521 is detachably mounted at the bottom of the housing.

In an embodiment of the present invention, a ball bearing is disposed between the third shaft 521 and the second roller 520, and the ball bearing can provide a certain flexible floating space for the roller, so as to have a certain buffering effect and achieve a shock absorption effect.

Referring to fig. 8 to 10, in an embodiment of the present invention, the charger further includes an auxiliary assembly 600, the auxiliary assembly 600 is detachably mounted at the bottom of the housing 100, when the charger is lifted, one end of the auxiliary assembly 600 contacts with the ground, and the charger is lifted by using the end contacting with the ground as a fulcrum and an external force. The auxiliary assembly 600 is used to assist a user in moving the charger to a target location with a height difference, such as from the ground to a vehicle.

Referring to fig. 8 to 10, in an embodiment of the present invention, an auxiliary element 600 includes: the first support legs 601 of the plurality of and the pull rod 602, the first support legs 601 of the plurality of are arranged at the end of the pull rod 602 contacting with the ground, the pull rod 602 is horizontally installed at the bottom of the casing 100 and can be pulled along the horizontal direction, the pull button 603 is arranged on the inner side of the end of the pull rod 602, and the pull of the pull rod 602 can be realized through the pull button 603. When the charger needs to be moved to a certain height or a vehicle, the pull rod 602 is pulled out, the shell is lifted, the first support 601 is supported on the ground, then the shell is continuously lifted to a target height, the bottom of the shell or the first roller is in contact with an object to be stored or a vehicle body (the charger can be pulled if necessary), and then the shell is pressed, so that the charger is moved to the target height or the vehicle.

Referring to fig. 8 to 10, in an embodiment of the present invention, the pull rod 602 is at least configured to be in a first state, a second state and a third state; that is, when the rod 602 is in the initial state, drawn to the first length, and drawn to the second length, the rod 602 is in the locked state. Wherein, the first state of the drawing rod 602 is shown in fig. 9, the second state of the drawing rod is shown in fig. 10, and the third state of the drawing rod 602 is shown in fig. 11.

Referring to fig. 8 to 10, in an embodiment of the present invention, the charger further includes a second supporting leg 700, the second supporting leg 700 is disposed on the side surface of the housing 100 at the end of the first roller 400, and the charger is placed stably, i.e., vertically, under the cooperation of the first roller 400 and the second supporting leg 700; in addition, the outer side end face of the housing 100 can be tangent to the peripheral end face of the first roller 400, that is, when the charger is placed vertically, the outer side end face of the housing 100 and the first roller 400 are both in contact with the ground, and the charger can be placed stably.

Referring to fig. 4 and 16, in an embodiment of the present invention, the charger further includes a drainage assembly 800 disposed in the housing, the drainage assembly 800 includes a first drainage assembly and a second drainage assembly disposed in the housing; the case 100 includes an upper case 110, a middle case 120, and a lower case 130, which are sequentially installed from top to bottom, and the battery chamber 200 is located inside the upper case 110. The middle shell 120 and the lower shell 130 are correspondingly provided with a first air window 121 and a second air window 131, the middle shell 120 is provided with a plurality of groups of first air windows 121 which are arranged oppositely, and a first drainage assembly is arranged inside the middle shell 120 corresponding to each first air window 121.

In an embodiment of the present invention, each of the first louvers 121 and the second louvers 131 is formed by arranging a plurality of inclined ribs 1211 parallel to each other at equal intervals, and the inclined ribs are inclined downward from a horizontal plane by 35 ° to 50 °. The high-side edges of at least some of the inclined ribs in the first louvers 121 and the second louvers 131 extend upward to form a first flange 1212.

In an embodiment of the present invention, the first drain assembly includes: a first water collection tank 810; the first water collecting tank 810 is disposed at the bottom of the middle housing 120 and beside the first louver 121; the first water collecting groove 810 is provided with a first water outlet 811, and the first water outlet 811 contacts with the side wall of the middle housing 120, that is, one edge of the first water outlet 811 is located on the inner wall of the inclined rib 1211 or the first flange 1212 of the first wind window 121.

Referring to fig. 4, in an embodiment of the present invention, the first water collecting tank 810 further includes a first waterproof rib 812, the first waterproof rib 812 is disposed at one side of the middle housing 120 facing the upper housing 110 and located at an edge of the first water collecting tank 810, the first waterproof rib 812 is provided with a plurality of first openings, and the first openings facilitate water to flow into the first water collecting tank; the bottom of the first water collecting tank 810 is further provided with a second water outlet 813, and the bottom surface of the first water collecting tank 810 is inclined towards the first water outlet 811.

Referring to fig. 4, 11, 12 and 13, in an embodiment of the present invention, the first drainage assembly 800 further includes a second waterproof rib 820 and a through hole 830, the second waterproof rib 820 is disposed at a side of the bottom of the first water collecting tank facing the lower housing, a first isolation rib 821 is disposed inside the second waterproof rib 820, the first isolation rib 821 isolates a region surrounded by the second waterproof rib 820 into a first chamber 822 and a second chamber 823, the first chamber 822 is communicated with the first water outlet 811 and opens toward the lower housing 130, and the first chamber 822 also opens toward a side wall of the adjacent middle housing 120; the second chamber 823 is communicated with the second water outlet 813 and opens towards the lower shell 130, and the end surfaces of the first isolation rib 821 and the second waterproof rib 820 parallel to the first isolation rib facing towards the lower shell are both cylindrical surfaces; the through hole 830 is disposed at the bottom of the middle housing 120, the second flange 831 extends around the periphery of the through hole 830, the second flange 831 faces the upper housing 110, and the electrical terminals of the battery pack are located outside the second flange 831.

Referring to fig. 4 and 13, in an embodiment of the present invention, the lower housing 130 is provided with a plurality of sets of second air windows 131 arranged in opposite directions, a second drainage assembly is configured inside the lower housing 130 corresponding to each second air window 131, the first drainage assembly and the second drainage assembly are fastened together in an up-and-down manner, and a water outlet of the second drainage assembly is communicated with the outside, so that the second drainage assembly receives accumulated water discharged by the first drainage assembly and discharges the accumulated water through the water outlet of the second drainage assembly. The second drainage assembly 800 comprises a second water collecting tank 840 and a third waterproof rib 880, wherein the second water collecting tank 840 is arranged at the bottom of the lower shell 130 and is located beside the second air window 131; the periphery of second water catch bowl 840 is provided with third prevention water muscle 880, second waterproof muscle 820 and third prevention water muscle 880 lock, the bottom of second water catch bowl 840 is provided with the third delivery port 841 of a plurality of and external intercommunication.

Referring to fig. 2, in an embodiment of the present invention, the charger further includes a fourth waterproof rib 850, the fourth waterproof rib 850 is disposed on the upper housing 110 and is distributed over the edge of the battery cavity 200, and the fourth waterproof rib 850 protrudes from the contact end surface of the charging chamber 200 and the upper housing 110 to form a waterproof wall, so as to prevent water at the joint.

Referring to fig. 4, in an embodiment of the present invention, the charger further includes a first seam 860, the first seam 860 is disposed at an upper edge of the middle housing 120 and is distributed at a seam between the upper housing 110 and the middle housing 120, and the first seam 860 forms a waterproof wall at a contact position between the middle housing 120 and the upper housing 110, so as to achieve a waterproof function.

Referring to fig. 11 to 15, in an embodiment of the invention, the charger further includes a second seam 870, and the second seam 870 is disposed on the middle shell 120 and located at a seam between the middle shell 120 and the lower shell 130, and partially covers the seam between the middle shell 120 and the lower shell 130. For example, the second seam 870 is not provided above the second water collecting groove 840 (or at the upper edge of the second louver) at the seam of the middle and

lower cases

120 and 130, so that water may flow into the second water collecting groove 840 at a position where the second seam 870 is not provided, and flow out from the outlet of the second water collecting groove 840. The rib position of the second seam allowance 870 at the first end of the lower shell 130 is lower than the rib position at other positions, and the first end of the lower shell 130 is the end closer to the handle.

Referring to fig. 4, in an embodiment of the present invention, 6 charging grooves are disposed in the battery chamber 200, and six first water collecting grooves 810 are disposed on the bottom of the middle housing 120. The first water outlets 811 of the six water collecting grooves are provided at the edges of the side walls of the middle housing 120, contributing to an increase in the drainage speed.

Referring to fig. 1, in an embodiment of the present invention, a fourth shaft 111 is disposed on the upper housing 110, the housing 100 further includes an upper cover 140, and the upper cover 140 is rotatably mounted on the fourth shaft 111. In addition to the above-mentioned transportation method, the user can manually transport the charger by holding the fourth shaft 111 and the first shaft 302.

Referring to fig. 3 and 17, in an embodiment of the present invention, the charger further includes: a battery pack shockproof assembly 900 and a circuit board shockproof assembly 1000, wherein the battery pack shockproof assembly 900 is arranged in the battery cavity 200 and is positioned below the battery pack. The battery pack anti-vibration assembly 900 includes a plurality of springs and a spring cover, and the plurality of springs are arranged at the bottom of the battery cavity and located inside the spring cover. The circuit board anti-vibration assembly 1000 includes: a plurality of springs and elastic pads which are arranged in pairs, wherein one end of each elastic pad is opened to accommodate the springs.

According to the charger, the bottom of the shell 100 is provided with the roller 400, the lifting handle 300 can enable the charger to move by means of rolling of the roller 400, the roller 400 is matched with the supporting assembly 500 to enable the charger to be placed stably, the drainage assembly 800 can effectively play a waterproof role, and the electric leakage risk is reduced; the shockproof assembly can effectively relieve the shock in the carrying process. Therefore, the charger of the invention can solve the problem that the conventional charger is difficult to carry. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A charger, comprising:

a housing having a plurality of battery cavities disposed therein;

the handle is held by a user and is movably connected with the shell;

the first roller is rotatably arranged at the bottom of the shell;

the supporting component is arranged at the bottom of the shell;

when the charger is pulled, the handle is held, and the charger is inclined and slides relative to the ground through the first roller; when the charger is horizontally placed, the first roller and the support assembly are in contact with the ground.

2. The charger according to claim 1, further comprising a drain assembly disposed within the housing, the drain assembly including a first drain assembly and a second drain assembly disposed in the housing; the casing is including last casing, well casing and the lower casing that sets gradually, well casing and the internal correspondence of inferior valve have arranged first wind window and second wind window, be provided with multiunit subtend on the well casing and arrange first wind window, every first wind window corresponds the inside first drainage subassembly that disposes of well casing.

3. The charger according to claim 2, wherein the lower housing is provided with a plurality of sets of second air windows arranged in opposite directions, a second drainage assembly is arranged inside the lower housing corresponding to each second air window, the first drainage assembly and the second drainage assembly are fastened up and down, and a water outlet of the second drainage assembly is communicated with the outside, so that the second drainage assembly receives accumulated water discharged by the first drainage assembly and discharges the accumulated water through the water outlet of the second drainage assembly.

4. The charger according to claim 2, wherein the first louver and the second louver are each composed of a plurality of parallel inclined ribs arranged at equal intervals, and the inclined ribs are inclined downward from a horizontal plane by 35 ° to 50 °.

5. The charger according to claim 4, wherein the high side edges of at least some of the tilted ribs in the first and second louvers extend upward to form a first flange.

6. The charger according to claim 1, wherein a position-limiting structure is disposed between the handle and the housing, the position-limiting structure includes a first position-limiting member and a second position-limiting member, the first position-limiting member is disposed on the handle, and the second position-limiting member is disposed on the housing and is engaged with the first position-limiting member.

7. The charger of claim 1, wherein the support member is a cradle having a first side in contact with the ground and a second side connected to the bottom of the housing.

8. The charger of claim 7, wherein the first side of the cradle is in point or continuous interface contact with a ground surface.

9. The charger of claim 7, wherein the cradle is provided with a wear member on the first side, the wear member being in contact with the ground.

10. The charger of claim 7, wherein the width of the cradle is less than the maximum track width of the first roller in the same direction.

11. The charger according to claim 1, wherein the support member is a second roller, and the second roller is disposed in the same direction and spaced from the first roller.

12. The charger according to any one of claims 1 to 11, further comprising an auxiliary component, wherein the auxiliary component is disposed at the bottom of the housing, and when the auxiliary component is lifted, one end of the auxiliary component contacts with the ground, and the end contacting with the ground is used as a fulcrum to cooperate with an external force to lift the charger.

13. The charger of claim 12, wherein the auxiliary component comprises: the drawing rod is horizontally arranged at the bottom of the shell and can be drawn in the horizontal direction, and when the drawing rod is in an initial state, drawn to a first length and drawn to a second length, the drawing rod is in a locking state.

14. The charger of claim 13, wherein the auxiliary component further comprises: the first support legs are arranged at the end part of the side, in contact with the ground, of the drawing rod.