Snow sweeper

Abstract

A snow sweeper includes: a motor; a snow sweeping paddle driven by the motor to rotate around a first axis; a housing accommodating a part of the snow sweeping paddle; a handle device rotatably connected to the housing; a snow throwing device guiding a snow throwing direction of the snow sweeper; and an adjustment device including an operating portion operated by a user, where the operating portion rotates around a second axis to adjust an angle of rotation of a part of the snow throwing device around a third axis, and the operating portion rotates around a fourth axis to adjust an angle of rotation of a part of the snow throwing device around a fifth axis. In an extension direction of the first axis, a part of the operating portion is on a side of the handle device away from the snow throwing device.

Description

CROSS REFERENCE TO THE RELATED APPLICATIONS

[0001] This application is the continuation application of International Application No. PCT / CN2024 / 118674, filed on September 13, 2024, which is based upon and claims priority to Chinese Patent Application No. 202311243321.X, filed on September 26, 2023, the entire contents of which are incorporated herein by reference.TECHNICAL FIELD

[0002] The present application relates to the field of power tools, and for example, to a snow sweeper.BACKGROUND

[0003] A snow sweeper in the related art is typically used to sweep snow from a road. The user pushes the snow sweeper, the snow sweeping paddle rotates to sweep the snow, and the snow is thrown far away to clear a snow-free road. In the snow sweeper in the related art, the structure of the adjustment device for adjusting the left and right and up and down throwing directions of snow is not compact, and the throwing direction of snow is inconvenient to adjust. This section provides background information related to the present application, and this background information is not necessarily prior art.SUMMARY

[0004] An objective of the present application is to solve or at least mitigate some or all of the above-mentioned problems. Therefore, the objective of the present application is to provide a snow sweeper which is convenient to use and has a compact structure.

[0005] In order to achieve the above objective, the present application adopts the following technical solutions:

[0006] A snow sweeper includes: a snow throwing device, arranged to guide a snow throwing direction of the snow sweeper; and an adjustment device, including an operating portion for being operated by a user, where the operating portion is arranged to rotate around a second axis to adjust an angle of rotation of at least a part of the snow throwing device around a third axis, and the operating portion is arranged to rotate around a fourth axis to adjust an angle of rotation of at least a part of the snow throwing device around a fifth axis. In an extension direction of a first axis, at least a part of the operating portion is arranged on a side of the handle device away from the snow throwing device.

[0007] In some embodiments, the snow sweeper includes: a motor; a snow sweeping paddle, arranged to be driven by the motor to rotate around the first axis; a housing, accommodating at least a part of the snow sweeping paddle; and a handle device, rotatably connected to the housing.

[0008] In some embodiments, the handle device includes a connecting rod rotatably connected to the housing, and in the extension direction of the first axis, the fourth axis is arranged on a side of the connecting rod away from the snow throwing device.

[0009] In some embodiments, the handle device includes a grip portion for being gripped by the user, and in the extension direction of the first axis, the fourth axis is arranged on a side of the grip portion away from the snow throwing device.

[0010] In some embodiments, the housing includes a side portion arranged to mount the snow sweeping paddle, and in the extension direction of the first axis, the operating portion is arranged on a side of the side portion adjacent to the snow throwing device.

[0011] In some embodiments, the second axis is perpendicular to the fourth axis.

[0012] In some embodiments, when at least the part of the adjustment device rotates around the second axis, the fourth axis changes position with at least the part of the adjustment device.

[0013] In some embodiments, the adjustment device adjusts a rotation angle of the snow throwing device through a cord, the adjustment device includes a reel arranged to be wound by the cord, and a diametrical direction of the reel is substantially perpendicular to the fourth axis.

[0014] In some embodiments, at least a part of the adjustment device is arranged on a right side of the handle device.

[0015] In some embodiments, the snow sweeper includes a locking assembly for being operated by the user to synchronously allow at least the part of the adjustment device to rotate around the second axis and the fourth axis.

[0016] In some embodiments, the third axis is substantially perpendicular to the fourth axis.

[0017] In some embodiments, in the extension direction of the first axis, at least the part of the adjustment device is arranged on a side of the handle device away from the snow throwing device.

[0018] A snow sweeper includes: a snow sweeping paddle, arranged to be driven by a motor to rotate around a first axis. In an extension direction of the first axis, at least a part of the adjustment device is arranged on a side of the handle device away from the snow throwing device.

[0019] In some embodiments, the snow sweeper includes: a motor; a housing, accommodating at least a part of the snow sweeping paddle; and a handle device, rotatably connected to the housing. The snow sweeper further includes: a snow throwing device, arranged to guide a snow throwing direction of the snow sweeper; and an adjustment device, where at least the part of the adjustment device is arranged to rotate around a second axis to adjust an angle of rotation of at least a part of the snow throwing device around a third axis, and at least the part of the adjustment device is arranged to rotate around a fourth axis to adjust an angle of rotation of at least a part of the snow throwing device around a fifth axis.

[0020] In some embodiments, the handle device includes a connecting rod rotatably connected to the housing, and in the extension direction of the first axis, the fourth axis is arranged on a side of the connecting rod away from the snow throwing device.

[0021] In some embodiments, the handle device includes a grip portion for being gripped by the user, and in the extension direction of the first axis, the fourth axis is arranged on a side of the grip portion away from the snow throwing device.

[0022] In some embodiments, the housing includes a side portion arranged to mount the snow sweeping paddle, and in the extension direction of the first axis, at least a part of the adjustment device is arranged on a side of the side portion adjacent to the snow throwing device.

[0023] In some embodiments, the second axis is perpendicular to the fourth axis.

[0024] In some embodiments, when at least the part of the adjustment device rotates around the second axis, the fourth axis changes position with at least the part of the adjustment device.

[0025] In some embodiments, at least a part of the adjustment device is arranged on a right side of the handle device.

[0026] In some embodiments, the snow sweeper includes a locking assembly for being operated by the user to synchronously allow at least the part of the adjustment device to rotate around the second axis and the fourth axis.

[0027] In some embodiments, the third axis is substantially perpendicular to the fourth axis.BRIEF DESCRIPTION OF THE DRAWINGS

[0028] FIG. 1 is a perspective view of a snow sweeper according to an embodiment of the present application.

[0029] FIG. 2 is a front view of the snow sweeper in FIG. 1 in a snow sweeping state.

[0030] FIG. 3 is a front view of the snow sweeper in FIG. 1 in a folded state.

[0031] FIG. 4 is an exploded view of an adjustment device and a locking assembly of the snow sweeper in FIG. 1 from one perspective.

[0032] FIG. 5 is an exploded view of the adjustment device and the locking assembly of the snow sweeper in FIG. 1 from another perspective.

[0033] FIG. 6 is a right view of the snow sweeper in FIG. 1 in the snow sweeping state.

[0034] FIG. 7 is a right view of the snow sweeper in FIG. 1 in the folded state.

[0035] FIG. 8 is a perspective view of the adjustment device of the snow sweeper in FIG. 1.

[0036] FIG. 9 is a plan view of the adjustment device and a part of the handle device of the snow sweeper in FIG. 1.

[0037] FIG. 10 is a partial enlarged view of a pivot structure of the snow sweeper in FIG. 5.

[0038] FIG. 11 is a perspective view of the locking assembly and a part of the adjustment device of the snow sweeper in FIG. 1.DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] Before any examples of this application are explained in detail, it is to be understood that this application is not limited to its application to the structural details and the arrangement of components set forth in the following description or illustrated in the above drawings.

[0040] In this application, the terms "comprising", "including", "having" or any other variation thereof are intended to cover an inclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those series of elements, but also other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or device comprising that element.

[0041] In this application, the term "and / or" is a kind of association relationship describing the relationship between associated objects, which means that there can be three kinds of relationships. For example, A and / or B can indicate that A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this application generally indicates that the contextual associated objects belong to an "and / or" relationship.

[0042] In this application, the terms "connection", "combination", "coupling" and "installation" may be direct connection, combination, coupling or installation, and may also be indirect connection, combination, coupling or installation. Among them, for example, direct connection means that two members or assemblies are connected together without intermediaries, and indirect connection means that two members or assemblies are respectively connected to at least one intermediate member and the two members or assemblies are connected by the at least one intermediate member. In addition, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, and may include electrical connections or couplings.

[0043] In this application, it is to be understood by those skilled in the art that a relative term (such as "about", "approximately", and "substantially") used in conjunction with quantity or condition includes a stated value and has a meaning dictated by the context. For example, the relative term includes at least a degree of error associated with the measurement of a particular value, a tolerance caused by manufacturing, assembly, and use associated with the particular value, and the like. Such relative term should also be considered as disclosing the range defined by the absolute values of the two endpoints. The relative term may refer to plus or minus of a certain percentage (such as 1%, 5%, 10%, or more) of an indicated value. A value that did not use the relative term should also be disclosed as a particular value with a tolerance. In addition, "substantially" when expressing a relative angular position relationship (for example, substantially parallel, substantially perpendicular), may refer to adding or subtracting a certain degree (such as 1 degree, 5 degrees, 10 degrees or more) to the indicated angle.

[0044] In this application, those skilled in the art will understand that a function performed by an assembly may be performed by one assembly, multiple assemblies, one member, or multiple members. Likewise, a function performed by a member may be performed by one member, an assembly, or a combination of members.

[0045] In this application, the terms "up", "down", "left", "right", "front", and "rear" and other directional words are described based on the orientation or positional relationship shown in the drawings, and should not be understood as limitations to the examples of this application. In addition, in this context, it also needs to be understood that when it is mentioned that an element is connected "above" or "under" another element, it can not only be directly connected "above" or "under" the other element, but can also be indirectly connected "above" or "under" the other element through an intermediate element. It should also be understood that orientation words such as upper side, lower side, left side, right side, front side, and rear side do not only represent perfect orientations, but can also be understood as lateral orientations. For example, lower side may include directly below, bottom left, bottom right, front bottom, and rear bottom.

[0046] The technical solutions of the present application will be further explained below through specific embodiments with reference to the drawings.

[0047] As shown in FIGS. 1-3, the present embodiment provides a snow sweeper 100. The snow sweeper 100 includes a motor 110, a snow sweeping assembly 120, a housing 130 and a handle device 140. The handle device 140 is arranged to be operated by a user to push the snow sweeper 100 to travel. The handle device 140 is rotatably connected to the housing 130. The snow sweeping assembly 120 includes a snow sweeping paddle 121 and a snow throwing paddle (not shown). The housing 130 accommodates or fixes the motor 110 and accommodates at least a part of the snow sweeping paddle 121 and the snow throwing paddle. The snow sweeping assembly 120 is a functional assembly of the snow sweeper 100. The motor 110 drives the snow sweeping paddle 121 to rotate around a first axis 101 to achieve a snow sweeping function. After the snow sweeping paddle 121 sweeps the snow into the housing 130, the snow throwing paddle rotates and throws the snow far away by a centrifugal force.

[0048] The motor 110 may be an electric motor powered by electricity. Specifically, the motor 110 is an electric motor. A battery pack is electrically connected to the motor 110 to supply power to the motor 110. The battery pack is detachably connected to the snow sweeper 100. The snow sweeper 100 includes traveling wheels 150. The traveling wheel 150 rotates relative to the housing 130 and is arranged to allow the snow sweeper 100 to travel on the ground. A rotation axis of the traveling wheel 150 is substantially parallel to the first axis 101. As another embodiment, a caterpillar track may be used instead of the traveling wheel 150 to allow the snow sweeper 100 to travel on the ground.

[0049] The snow sweeper 100 includes a snow throwing device 160. The snow throwing device 160 is arranged to change a movement trajectory of snow and guide the snow far away, in other words, the snow throwing device 160 is arranged to guide a snow throwing direction of the snow sweeper 100. The snow throwing device 160 is arranged on the housing 130. The housing 130, the snow sweeping assembly 120, the snow throwing device 160 and the motor 110 constitute a main body of the snow sweeper 100. The housing 130 includes a snow sweeping bucket 131. The snow sweeping bucket 131 includes a side portion 132. The side portion 132 is located on two sides of the snow sweeping bucket 131. In the present embodiment, the side portion 132 includes two side walls 133 of the snow sweeping bucket 131. The snow sweeping bucket 131 is arranged to accommodate the snow sweeping paddle 121. The snow sweeping paddle 121 is mounted to the side portion 132 to rotate within the snow sweeping bucket 131. An accommodation space 135 is formed in the snow sweeping bucket 131. The accommodation space 135 includes a snow inlet for feeding the snow and a snow outlet for discharging the snow out of the accommodation space 135. The snow enters the accommodation space 135 from the snow inlet, and enters the snow throwing device 160 from the snow outlet to be thrown far away.

[0050] The handle device 140 is arranged to be operated by the user. The handle device 140 includes a connecting rod 141 rotatably connected to the housing 130 and a grip portion 142 arranged to be gripped by the user. The handle device 140 rotates relative to the housing 130. A rotation axis of the handle device 140 is parallel to the first axis 101. When the handle device 140 is located at the position shown in FIG. 2 relative to the housing 130, the snow sweeper 100 is in a snow sweeping state and the snow sweeper 100 performs a snow sweeping operation. When the handle device 140 is located at the position shown in FIG. 3 relative to the housing 130, the snow sweeper 100 is in a folded state, and the user can easily carry or store the snow sweeper 100.

[0051] The connecting rod 141 includes a first connecting rod 143 and a second connecting rod 144. The first connecting rod 143 and the second connecting rod 144 are connected to two ends of the grip portion 142, respectively. Specifically, the first connecting rod 143 and the second connecting rod 144 are hollow tubular structures and are made of metal, composite metal, or plastic. The handle device 140 is symmetrical about a middle division plane x1. The middle division plane x1 is intersected with the snow throwing device 160. As another embodiment, the entirety formed by the first connecting rod 143, the second connecting rod 144 and the grip portion 142 may also be used as one component.

[0052] As shown in FIGS. 2-5, the snow sweeper 100 includes an adjustment device 200. The user adjusts a snow throwing angle of at least a part of the snow throwing device 160 through the adjustment device 200. At least a part of the adjustment device 200 is rotatable around a second axis 102 and a fourth axis 104. At least a part of the snow throwing device 160 is rotatable around a third axis 103 and a fifth axis 105. The snow throwing device 160 includes a snow throwing cap 161 and a snow throwing cylinder 162. The snow throwing cap 161 is rotatably connected to the snow throwing cylinder 162. The snow throwing cylinder 162 is rotatably connected to housing 130. The snow throwing cap 161 can rotate around the third axis 103, and the snow throwing cylinder 162 can rotate around the fifth axis 105. When the snow throwing cylinder 162 rotates around the fifth axis 105, the snow throwing cap 161 rotates with the snow throwing cylinder 162 around the fifth axis 105. At least a part of the adjustment device 200 rotates around the second axis 102 to adjust an angle of rotation of at least a part of the snow throwing device 160 around the third axis 103. At least a part of the adjustment device 200 rotates around the fourth axis 104 to adjust the angle of rotation of at least a part of the snow throwing device 160 around the fifth axis 105. At least a part of the adjustment device 200 rotates around the second axis 102 to adjust the angle at which the snow throwing cap 161 rotates up and down around the third axis 103. At least a part of the adjustment device 200 rotates around the fourth axis 104 to adjust the angle at which the snow throwing cylinder 162 rotates left and right around the fifth axis 105. The adjustment device 200 can adjust the angle of rotation of the snow throwing device 160 up and down and left and right, so that the user can throw snow to a further position, and can also flexibly adjust the throwing angle of the snow to make the snow landing position more accurate.

[0053] The adjustment device 200 is connected to the handle device 140. In the extension direction of the first axis 101, at least a part of the adjustment device 200 is arranged on a side of the handle device 140 away from the snow throwing device 160. At least a part of the adjustment device 200 is integrally arranged on a side of the handle device 140, which is convenient for the user to operate. In the extension direction of the first axis 101, at least a part of the adjustment device 200 is arranged on the side of the handle device 140 away from the snow throwing device 160, so that when the handle device 140 is folded, the adjustment device 200 is always away from the snow throwing device 160, and the adjustment device 200 does not interfere with the snow throwing device 160. After the handle device 140 is folded, a length of the snow sweeper 100 will not be increased due to the position where the adjustment device 200 is located, which is compact in structure and convenient for the user to store the snow sweeper 100.

[0054] In the extension direction of the first axis 101, the fourth axis 104 is arranged on a side of the connecting rod 141 away from the snow throwing device 160. In this way, the fourth axis 104 is on the side of the connecting rod 141 away from the snow throwing device 160, and one of the rotation axes of at least a part of the adjustment device 200 is on the side of the connecting rod 141 away from the snow throwing device 160. When the handle device 140 is folded, the adjustment device 200 does not interfere with the snow throwing device 160. In some embodiments, at least a part of the adjustment device 200 rotates around the fourth axis 104 to adjust the angle at which the snow throwing cylinder 162 rotates up and down around the third axis 103. The specific direction in which the snow throwing device 160 rotates when at least a part of the adjustment device 200 rotates around the fourth axis 104 is not limited herein.

[0055] In the extension direction of the first axis 101, the fourth axis 104 is arranged on a side of the grip portion 142 away from the snow throwing device 160. In this way, the fourth axis 104 is on the side of the grip portion142 away from the snow throwing device 160, and one of the rotation axes of at least a part of the adjustment device 200 is on the side of the grip portion 142 away from the snow throwing device 160. When the handle device 140 is folded, the adjustment device 200 does not interfere with the snow throwing device 160. In some embodiments, at least a part of the adjustment device 200 rotates around the fourth axis 104 to adjust the angle at which the snow throwing cylinder 162 rotates up and down around the third axis 103. The specific direction in which the snow throwing device 160 rotates when at least a part of the adjustment device 200 rotates around the fourth axis 104 is not limited herein.

[0056] The adjustment device 200 includes an operating portion 210 for being operated by the user. The operating portion 210 is arranged to rotate around the second axis 102 and the fourth axis 104. The user operates the operating portion 210 to rotate around the second axis 102 to adjust the angle at which the snow throwing cap 161 rotates up and down around the third axis 103. The user operates the operating portion 210 to rotate around the fourth axis 104 to adjust the angle at which the snow throwing cylinder 162 rotates left and right around the fifth axis 105. A surface of the operating portion 210 has an arc. In the present embodiment, the operating portion 210 has a spherical-like shape. The user can comfortably grasp the operating portion 210 to adjust the snow throwing angle of the snow throwing device 160.

[0057] In the present embodiment, as shown in FIG. 3, the third axis 103 is substantially perpendicular to the fifth axis 105. In other embodiments, the third axis 103 may also not be perpendicular to the fifth axis 105, which is specifically determined by the angle formed between the snow throwing cap 161 and the snow throwing cylinder 162.

[0058] In the extension direction of the first axis 101, the operating portion 210 is arranged on a side of the side portion 132 adjacent to the snow throwing device 160. The operating portion 210 is arranged on an inner side of the snow sweeping bucket 131. In this way, after the handle device is folded, a width of the snow sweeping bucket 131 will not be increased due to the position where the adjustment device 200 is located, and the snow sweeper 100 has a compact structure, which is convenient for packaging, transportation and storage. In the extension direction of the first axis 101, at least a part of the operating portion 210 is arranged on the side of the handle device 140 away from the snow throwing device 160, and arranged on the side of the side portion 132 adjacent to the snow throwing device 160. In the extension direction of the first axis 101, at least a part of the operating portion 210 is arranged between the handle device 140 and the side portion 132. After the handle device 140 is folded, the snow sweeper 100 has a compact structure, which saves materials and costs for packaging and transportation, and has an attractive appearance.

[0059] As shown in FIGS. 6-7, the side portion 132 has a front edge 134. At least a part of the front edge 134 extends obliquely rearward and upward. When the handle device 140 is folded, the front edge 134 extending obliquely rearward and upward avoids the adjustment device 200, and the adjustment device 200 does not interfere with the side portion 132. The adjustment device 200 can move rearward in a front-rear direction, which has a compact structure, saves space, and reduces a length of the snow sweeper 100 in the front-rear direction. As shown in FIGS. 3 and 7, in the folded state, a ratio of the length L1 of the snow sweeper 100 in the front-rear direction to a width L2 of the snow sweeper 100 in a left-right direction is greater than or equal to 1.5 and less than or equal to 1.8. In some embodiments, the ratio of the length L1 of the snow sweeper 100 in the front-rear direction to the width L2 of the snow sweeper 100 in the left-right direction is greater than or equal to 1.6 and less than or equal to 1.7. In some embodiments, the ratio of the length L1 of the snow sweeper 100 in the front-rear direction to the width L2 of the snow sweeper 100 in the left-right direction is greater than or equal to 1.6 and less than or equal to 1.65.

[0060] As shown in FIGS. 8-9, in the present embodiment, at least a part of the adjustment device 200 is arranged on a right side of the handle device 140. In this way, a user who is accustomed to using his right hand can conveniently and easily adjust the snow throwing angle of the snow throwing device 160 with one hand. In some embodiments, at least a part of the adjustment device 200 is arranged on a left side of the handle device 140. In this way, a user who is accustomed to using his left hand can conveniently and easily adjust the snow throwing angle of the snow throwing device 160 with one hand. The adjustment device 200 as a mounting module is integrally mounted on the handle device 140 through a fastener, such as a screw and the like, which is simple to mount and low in cost. In the present embodiment, the adjustment device 200 is mounted on the first connecting rod 143. The adjustment device 200 includes a fixing portion 220. The fixing portion 220 is sleeved on the first connecting rod 143. The fixing portion 220 includes a first protrusion 221 and a second protrusion 222. The first protrusion 221 and the second protrusion 222 respectively include holes through which the fastener passes. The first connecting rod 143 is sandwiched between the first protrusion 221 and the second protrusion 222. The fastener passes through the first protrusion 221, the first connecting rod 143 and the second protrusion 222 in sequence to fix the adjustment device 200 with the first connecting rod 143. In some embodiments, the adjustment device 200 may also be mounted on the second connecting rod 144.

[0061] As shown in FIGS. 4-5 and 10-11, the second axis 102 is perpendicular to the fourth axis 104. Two rotation directions of the operating portion 210 are perpendicular to each other, which conforms to ergonomics, and the user feels better when operating the operating portion 210. The adjustment device 200 includes an adjustment rod 230, and the adjustment rod 230 extends substantially along the fourth axis 104. The adjustment rod 230 includes a first connection section 231 and a second connection section 232. The first connection section 231 is shorter than the second connection section 232. The first connection section 231 extends substantially along a sixth straight line 106, and the second connection section 232 extends substantially along the fourth axis 104. An angle formed between the sixth straight line 106 and the fourth axis 104 is greater than or equal to 100 degrees and less than or equal to 140 degrees, so that the user saves labor and feels comfort when operating the operating portion 210, which conforms to ergonomics. In some embodiments, the angle formed between the sixth straight line 106 and the fourth axis 104 is greater than or equal to 115 degrees and less than or equal to 125 degrees. The adjustment device 200 includes a bushing 233 and an outer rod 234. The bushing 233 is sleeved on the adjustment rod 230, and the outer rod 234 is sleeved on the bushing 233. The adjustment rod 230 rotates relative to the bushing 233 and the outer rod 234. The bushing 233 and the outer rod 234 prevent dust from entering the adjustment rod 230. In the present embodiment, the bushing 233 is made of plastic.

[0062] The operating portion 210 includes an operating end 211 and a mounting end 212. The mounting end 212 is mounted to the first connection section 231 of the adjustment rod 230. In the present embodiment, the mounting end 212 is sleeved on the first connection section 231. Since the first connection section 231 and the second connection section 232 form an angle, the operating portion 210 can drive the adjustment rod 230 to rotate with the operating portion 210 around the second axis 102 and the fourth axis 104 through the first connection section 231. When at least a part of the adjustment device 200 rotates around the second axis 102, the fourth axis 104 changes position with at least a part of the adjustment device 200. When the operating portion 210 rotates around the second axis 102, the adjustment rod 230 changes position with the operating portion 210. The adjustment rod 230 is substantially cylindrical. When the operating portion 210 rotates around the fourth axis 104, the adjustment rod 230 rotates around the fourth axis 104 as a self-rotation axis. The adjustment rod 230 self-rotates around the fourth axis 104, saving space, and the adjustment device 200 has a compact structure.

[0063] The adjustment device 200 includes a pivot structure 240. At least a part of the adjustment device 200 rotates through the pivot structure 240. In the present embodiment, the pivot structure 240 is a universal joint. In some embodiments, the pivot structure 240 may also include other structures for allowing at least a part of the adjustment device 200 to rotate around at least two axes. The pivot structure 240 includes a first pivot member 241, a second pivot member 242, and a hinge 244. The first pivot member 241 and the second pivot member 242 are hinged via the hinge 244 to allow at least a part of the adjustment device 200 to rotate at least around the second axis 102 and the fourth axis 104. The adjustment device 200 includes a baffle 246. The baffle 246 includes a strip-shaped hole. The hole limits rotation of at least a part of the adjustment device 200 around a seventh axis 107.

[0064] The second connection section 232 of the adjustment rod 230 is connected to the first pivot member 241. An end of the first pivot member 241 away from the hinge 244 is sleeved on the second connection section 232. A fastener passes through the end of the first pivot member 241 away from the hinge 244 and the second connection section 232, so that the first pivot member 241 rotates with the adjustment rod 230 around the fourth axis 104.

[0065] The hinge 244 allows the first pivot member 241 to rotate relative to the second pivot member 242 around the second axis 102. The hinge 244 also prevents the first pivot member 241 from rotating relative to the second pivot member 242 around the fourth axis 104, and allows the second pivot member 242 to rotate with the first pivot member 241 around the fourth axis 104. When at least a part of the adjustment device 200 rotates around the second axis 102, the adjustment rod 230 and the first pivot member 241 synchronously rotate with the adjustment device 200 around the second axis 102. When the adjustment device 200 rotates around the fourth axis 104, the adjustment rod 230, the first pivot member 241 and the second pivot member 242 synchronously rotate with the adjustment device 200 around the fourth axis 104.

[0066] The pivot structure 240 includes a third pivot member 243. The third pivot member 243 extends substantially along the fourth axis 104. The second pivot member 242 is drivingly connected to the third pivot member 243. An end of the second pivot member 242 away from the hinge 244 is sleeved on the third pivot member 243. A fastener passes through the second pivot member 242 and the third pivot member 243, so that the third pivot member 243 rotates as the second pivot member 242 rotates around the fourth axis 104.

[0067] The adjustment device 200 includes a driving wheel 250. The driving wheel 250 is substantially circular. A diametrical direction a (shown in FIG. 4) of the driving wheel 250 is substantially perpendicular to an extension direction of the adjustment rod 230 and the third pivot member 243. The diametrical direction a of the driving wheel 250 is substantially perpendicular to the fourth axis 104. The third pivot member 243 is drivingly connected to the driving wheel 250. When the third pivot member 243 rotates around the fourth axis 104, the driving wheel 250 rotates with the third pivot member 243 around the fourth axis 104. The third pivot member 243 includes a first cooperation surface 245. A hole 251 is formed at a center of the driving wheel 250. An inner wall of the hole 251 includes a second cooperation surface 252. A part of the third pivot member 243 passes through the hole 251 to allow the first cooperation surface 245 to cooperate with the second cooperation surface 252. The third pivot member 243 drives the driving wheel 250 to rotate around the fourth axis 104 through the first cooperation surface 245 and the second cooperation surface 252.

[0068] The driving wheel 250 includes a first toothed portion 253. The first toothed portion 253 is arranged on an outer side of the driving wheel 250. The adjustment device 200 includes a reel 260. The reel 260 includes a second toothed portion 261. The second toothed portion 261 protrudes and is arranged at a center of the reel 260. The first toothed portion 253 is engaged with the second toothed portion 261, so that the driving wheel 250 drives the reel 260 to rotate. The reel 260 is substantially circular. A diametrical direction of the reel 260 is substantially perpendicular to an extension direction of the adjustment rod 230 and the third pivot member 243. The diametrical direction of the reel 260 is substantially perpendicular to the fourth axis 104.

[0069] The adjustment device 200 adjusts a rotation angle of the snow throwing device 160 through a cord. The reel 260 is arranged to be wound by a first cord 262. The first cord 262 is drivingly connected to the snow throwing cylinder162. Two ends of the first cord 262 are respectively fixed to the left and right sides of the snow throwing cylinder 162. When the reel 260 rotates, the lengths from the two ends of the first cord 262 to the reel 260 are changed, and the first cord 262 drives the snow throwing cylinder 162 to rotate left and right around the fifth axis 105. When the user operates the operating portion 210 to rotate around the fourth axis 104, the adjustment rod 230, the first pivot member 241, the hinge 244, the second pivot member 242, the third pivot member 243, the driving wheel 250, the reel 260 and the snow throwing cylinder 162 rotate substantially synchronously.

[0070] A second cord 263 is drivingly connected to the snow throwing cap 161. Two ends of the second cord 263 are respectively fixed to the snow throwing cap 161 and the adjustment device 200 having at least a part arranged to rotate around the second axis 102. In the present embodiment, an end of the second cord 263 is fixed to the operating portion 210. When the operating portion 210 rotates, a position of the end of the second cord 263 fixed to the operating portion 210 changes, the second cord 263 moves with the operating portion 210, and the second cord 263 drives the snow throwing cap 161 to rotate upward or downward around the third axis 103. The adjustment device 200 includes a first elastic member 264. The first elastic member 264 is sleeved on the second cord 263. A length of the first elastic member 264 changes as a position of the second cord 263 changes, and drives the snow throwing cap 161 to rotate upward or downward around the third axis 103 through an elastic force. The first elastic member 264 may be a spring. When the user operates the operating portion 210 to rotate around the second axis 102, the adjustment rod 230, the first pivot member 241 and the snow throwing cap 161 rotate substantially synchronously.

[0071] The adjustment device 200 includes a shell 270. The shell 270 accommodates at least a part of the adjustment rod 230, the pivot structure 240, the driving wheel 250 and the reel 260. A first accommodation cavity 271 and a second accommodation cavity 272 are formed in the shell 270. An extension direction of the first accommodation cavity 271 is substantially perpendicular to an extension direction of the second accommodation cavity 272. The shell 270 includes a first shell 274, a second shell 276 and a third shell 277. The first accommodation cavity 271 is formed between the first shell 274 and the second shell 276. The second accommodation cavity 272 is formed between the first shell 274, the second shell 276 and the third shell 277. The first accommodation cavity 271 accommodates at least a part of the adjustment rod 230 and the pivot structure 240. The second accommodation cavity 272 accommodates the driving wheel 250 and the reel 260. In the present embodiment, the fixing portion 220 is formed on the second shell 276. In some embodiments, the fixing portion 220 is formed on the first shell 274.

[0072] The snow sweeper 100 includes a locking assembly 300. The locking assembly 300 locks the snow throwing angle of the snow throwing device 160. The locking assembly 300 is operated by the user to synchronously allow at least a part of the adjustment device 200 to rotate around the second axis 102 and the fourth axis 104. When at least a part of the adjustment device 200 rotates around the second axis 102 or the fourth axis 104, the snow throwing angle is changeable. After the locking assembly 300 is operated by the user to be unlocked, at least a part of the adjustment device 200 can rotate around the second axis 102, can rotate around the fourth axis 104, and also can rotate around the second axis 102 and the fourth axis 104 simultaneously. By operating the locking assembly 300, the user can synchronously unlock the rotation of at least a part of the adjustment device 200 in two directions, which is convenient and quick in use.

[0073] The locking assembly 300 includes a triggering portion 310. The triggering portion 310 is operated by the user, so that the locking assembly 300 synchronously allows at least a part of the adjustment device 200 to rotate around the second axis 102 and the fourth axis 104. The triggering portion 310 is arranged on the operating portion 210. The triggering portion 310 has an arc-shaped surface for the user to comfortably operate the triggering portion 310. The triggering portion 310 is pressed by the user to rotate around an eighth axis 108. The locking assembly 300 includes a second elastic member 311. When the user presses the triggering portion 310, the second elastic member 311 deforms. After the user releases the triggering portion 310, the second elastic member 311 drives the triggering portion 310 to reset. The second elastic member 311 may be a spring.

[0074] The locking assembly 300 includes a movable member 320, a first locking portion 330 and a second locking portion 340. The movable member 320 cooperates with the first locking portion 330 to lock the angle of rotation of at least a part of the adjustment device 200 around the second axis 102. The movable member 320 cooperates with the second locking portion 340 to lock the angle of rotation of at least a part of the adjustment device 200 around the fourth axis 104. The movable member 320 includes a first driving portion 324 and a second driving portion 325. The movable member 320 is drivingly connected to the triggering portion 310 through a flexible member. The flexible member may be a third cord 323. One end of the third cord 323 is fixedly connected to the triggering portion 310, and the other end of the third cord 323 is fixedly connected to the first driving portion 324. When the user presses the triggering portion 310, the cord tightens and drives the movable member 320 to move. The movable member 320 extends substantially along a ninth straight line 109. The movable member 320 moves substantially along the ninth straight line 109. The ninth straight line 109 is substantially parallel to the fourth axis 104. The second driving portion 325 includes a third elastic member 326. A slot 327 is formed in the second driving portion 325. The third elastic member 326 is accommodated in the slot 327.

[0075] A third accommodation cavity 273 is formed in the shell 270. The shell 270 includes a fourth shell 278. A fourth accommodation cavity is formed between the fourth shell 278 and the first shell 274. The fourth accommodation cavity accommodates the movable member 320 and a part of the third cord 323. The movable member 320 moves in the fourth accommodation cavity. A shape of the fourth accommodation cavity is matched with the movable member 320 to guide the movable member 320 to move along the ninth straight line 109 and limit the movable member 320. The second shell 276 includes an abutting portion 275. The abutting portion 275 passes through the slot 327 and abuts against the third elastic member 326. A width of the abutting portion 275 is substantially equal to a width of the slot 327, so that when the slot 327 moves relative to the abutting portion 275, the abutting portion 275 also plays a role in guiding the movable member 320 to move. When the user presses the triggering portion 310, the movable member 320 is driven and moves along the ninth straight line 109. One end of the third elastic member 326 moves with the movable member 320 relative to the abutting portion 275, and the other end of the third elastic member 326 is compressed by the abutting portion 275. The third elastic member 326 deforms and accumulates elastic potential energy. When the user releases the triggering portion 310, the third elastic member 326 restores its shape, drives the movable member 320 to move in an opposite direction along the ninth straight line 109, and maintains the movable member 320 at one position when the movable member 320 stops moving.

[0076] The movable member 320 includes a first limiting portion 321 and a second limiting portion 322. The first limiting portion 321 is arranged to cooperate with the first locking portion 330, and the second limiting portion 322 is arranged to cooperate with the second locking portion 340. In the present embodiment, the first limiting portion 321 and the second limiting portion 322 are toothed protrusions formed on the movable member 320.

[0077] The locking assembly 300 includes a stopper 341. The stopper 341 rotates as at least a part of the adjustment device 200 rotates around the second axis 102. The first locking portion 330 is arranged on the stopper 341. The first locking portion 330 includes a plurality of toothed recesses 331. The first limiting portion 321 is respectively engaged with the plurality of toothed recesses 331 to keep the operating portion 210 at different positions. The second locking portion 340 is arranged on the driving wheel 250. The second locking portion 340 includes a plurality of grooves 342. The second limiting portion 322 is respectively engaged with the plurality of grooves 342 to keep the operating portion 210 at different positions.

[0078] When the user operates the triggering portion 310 to unlock the locking assembly 300, the movable member 320 moves along the ninth straight line 109. The first limiting portion 321 is separated from the first locking portion 330, and at least a part of the adjustment device 200 is allowed to rotate around the second axis 102. The second limiting portion 322 is separated from the second locking portion 340, and at least a part of the adjustment device 200 is allowed to rotate around the fourth axis 104. When the user operates the operating portion 210 to rotate around the second axis 102, the stopper 341 rotates around the second axis 102, and the snow throwing cap 161 rotates around the third axis 103. When the user operates the operating portion 210 to rotate around the fourth axis 104, the driving wheel 250 rotates around the fourth axis 104, and the snow throwing cylinder 162 rotates around the fifth axis 105. When the user releases the triggering portion 310, the movable member 320 moves along the ninth straight line 109 and resets, the first limiting portion 321 is engaged with the first locking portion 330, and the second limiting portion 322 is engaged with the second locking portion 340. A position of the operating portion 210 is locked, and the snow throwing angle of the snow throwing device 160 is locked. The adjustment device 200 has a compact structure and is convenient for the user to operate.

[0079] The basic principles, main features, and advantages of this application are shown and described above. It is to be understood by those skilled in the art that the aforementioned examples do not limit the present application in any form, and all technical solutions obtained through equivalent substitutions or equivalent transformations fall within the scope of the present application.

Claims

1. A snow sweeper, comprising:a motor;a snow sweeping paddle driven by the motor to rotate around a first axis;a housing, accommodating at least a part of the snow sweeping paddle;a handle device, rotatably connected to the housing;a snow throwing device that guides a snow throwing direction of the snow sweeper; andan adjustment device, comprising an operating portion for being operated by a user, wherein the operating portion rotates around a second axis to adjust an angle of rotation of at least a part of the snow throwing device around a third axis, and the operating portion rotates around a fourth axis to adjust an angle of rotation of at least a part of the snow throwing device around a fifth axis;wherein in an extension direction of the first axis, at least a part of the operating portion is on a side of the handle device away from the snow throwing device.

2. The snow sweeper according to claim 1, wherein the handle device comprises a connecting rod rotatably connected to the housing, and in the extension direction of the first axis, the fourth axis is on a side of the connecting rod away from the snow throwing device.

3. The snow sweeper according to claim 1, wherein the handle device comprises a grip portion for being gripped by the user, and in the extension direction of the first axis, the fourth axis is on a side of the grip portion away from the snow throwing device.

4. The snow sweeper according to claim 1, wherein the housing comprises a side portion that mounts the snow sweeping paddle, and in the extension direction of the first axis, the operating portion is on a side of the side portion adjacent to the snow throwing device.

5. The snow sweeper according to claim 1, wherein the second axis is perpendicular to the fourth axis.

6. The snow sweeper according to claim 1, wherein when at least the part of the adjustment device rotates around the second axis, the fourth axis changes position with at least the part of the adjustment device.

7. The snow sweeper according to claim 6, wherein the adjustment device adjusts a rotation angle of the snow throwing device through a cord, the adjustment device comprises a reel wound by the cord, and a diametrical direction of the reel is substantially perpendicular to the fourth axis.

8. The snow sweeper according to claim 1, wherein at least a part of the adjustment device is on a right side of the handle device.

9. The snow sweeper according to claim 1, further comprising a locking assembly operated by the user to synchronously allow at least the part of the adjustment device to rotate around the second axis and the fourth axis.

10. The snow sweeper according to claim 1, wherein the third axis is substantially perpendicular to the fourth axis.

11. The snow sweeper according to claim 1, wherein in the extension direction of the first axis, at least the part of the adjustment device is on a side of the handle device away from the snow throwing device.

12. A snow sweeper, comprising:a motor;a snow sweeping paddle driven by the motor to rotate around a first axis;a housing, accommodating at least a part of the snow sweeping paddle;a handle device, rotatably connected to the housing;a snow throwing device that guides a snow throwing direction of the snow sweeper; andan adjustment device, wherein at least a part of the adjustment device rotates around a second axis to adjust an angle of rotation of at least a part of the snow throwing device around a third axis, and at least the part of the adjustment device rotates around a fourth axis to adjust an angle of rotation of at least a part of the snow throwing device around a fifth axis;wherein in an extension direction of the first axis, at least the part of the adjustment device is on a side of the handle device away from the snow throwing device.

13. The snow sweeper according to claim 12, wherein the handle device comprises a connecting rod rotatably connected to the housing, and in the extension direction of the first axis, the fourth axis is on a side of the connecting rod away from the snow throwing device.

14. The snow sweeper according to claim 12, wherein the handle device comprises a grip portion for being gripped by a user, and in the extension direction of the first axis, the fourth axis is on a side of the grip portion away from the snow throwing device.

15. The snow sweeper according to claim 12, wherein the housing comprises a side portion that mounts the snow sweeping paddle, and in the extension direction of the first axis, at least a part of the adjustment device is on a side of the side portion adjacent to the snow throwing device.

16. The snow sweeper according to claim 12, wherein the second axis is perpendicular to the fourth axis.

17. The snow sweeper according to claim 12, wherein when at least the part of the adjustment device rotates around the second axis, the fourth axis changes position with at least the part of the adjustment device.

18. The snow sweeper according to claim 12, wherein at least a part of the adjustment device is on a right side of the handle device.

19. The snow sweeper according to claim 12, further comprising a locking assembly, wherein the locking assembly is operated by a user to synchronously allow at least the part of the adjustment device to rotate around the second axis and the fourth axis.

20. The snow sweeper according to claim 12, wherein the third axis is substantially perpendicular to the fourth axis.

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