Snow sweeper

Abstract

The snow sweeper comprises walking wheels, a snow sweeping assembly, a first motor and a snow inlet shell, and the walking wheels support the snow sweeper to walk on the ground plane; the snow sweeping assembly comprises a rotating shaft and snow sweeping paddles arranged on the rotating shaft, and the rotating shaft rotates with the first axis as the axis. The first motor is powered by the battery pack and used for driving the rotating shaft to rotate to drive the snow sweeping paddles to rotate; the snow inlet shell accommodates at least part of the snow sweeping assembly; the snow inlet shell is provided with a front opening part used for snow inlet, and the ratio of the minimum distance L6 between the projection of the rear edge of the snow sweeping paddle on the first plane and the projection of the highest point of the front opening part on the first plane to the diameter D of the snow sweeping paddle is smaller than or equal to 0.65. The first plane is substantially parallel to the ground plane. The distance between the highest point of the front opening part and the rear edge of the snow sweeping paddle is closer in the front-back direction, the highest point of the front opening part is closer to the rear, the highest point of the front opening part is prevented from making contact with snow, and then snow is prevented from being accumulated at the front opening part.

Description

Technical Field

[0001] The present application relates to a power tool, in particular to a snow blower. Background Art

[0002] A snow sweeper in the related art is used to clear snow on the ground and has snow sweeping and snow throwing functions. The snow sweeping component collects the snow into a snow inlet housing, and the snow throwing component throws the snow in the snow inlet housing into a snow throwing cylinder, and the snow throwing cylinder throws the snow outward.

[0003] This section provides background information related to the present application which is not necessarily prior art. Utility Model Content

[0004] An object of the present application is to solve or at least alleviate a part or all of the above problems. To this end, an object of the present application is to provide a snowplow.

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

[0006] A snowplow comprises: walking wheels, supporting the snowplow to walk on the ground plane; a snowplow assembly, comprising a rotating shaft and a snowplow paddle arranged on the rotating shaft, and the rotating shaft is arranged to rotate about a first axis; a first motor, powered by a battery pack, and used to drive the rotating shaft to rotate to drive the snowplow paddle to rotate; a snow inlet shell, accommodating at least part of the snowplow assembly; the snow inlet shell has a front opening for snow intake, and the ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle on the first plane and the projection of the highest point of the front opening on the first plane to the diameter D of the snowplow paddle is less than or equal to 0.65; the first plane is basically parallel to the ground plane.

[0007] In some embodiments, the ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle on the first plane and the projection of the highest point of the front opening on the first plane to the diameter D of the snowplow paddle is less than or equal to 0.6.

[0008] In some embodiments, the difference between the diameter D of the snowplow paddle and the minimum distance L6 is greater than or equal to 20 mm.

[0009] In some embodiments, the front opening portion includes an inclined portion, and an angle α between the inclined portion and the first plane is greater than or equal to 30 degrees and less than or equal to 90 degrees.

[0010] In some embodiments, the projection of the highest point of the front opening on the first plane overlaps with the projection of the first axis on the first plane, or the projection of the highest point of the front opening on the first plane is located behind the projection of the first axis on the first plane.

[0011] In some embodiments, a snowshoe is further included. The snowshoe is disposed on the snow entry shell. Along the front-to-back direction, the ratio of the width W1 of the snowshoe to the width W2 of the snow entry shell is greater than or equal to 0.6 and less than or equal to 1.

[0012] In some embodiments, the snow-entering shell includes a back plate and side plates arranged on the left and right sides of the back plate, the side plates form a first projection on the second plane, and the snow-clearing assembly forms a second projection on the second plane. The ratio of the area S1 of the first projection to the overlapping area S2 of the first projection and the second projection is greater than or equal to 1 and less than or equal to 1.6; the second plane is basically perpendicular to the first axis.

[0013] A snowplow comprises: a walking wheel, supporting the snowplow to walk on a ground plane; a snowplow assembly, comprising a rotating shaft and a snowplow paddle arranged on the rotating shaft, the rotating shaft being arranged to rotate about a first axis; a snow-inlet shell, accommodating at least part of the snowplow assembly; the snow-inlet shell having a front opening for snow intake, a distance L6 between a projection of a rear edge of the snowplow paddle on a first plane and a projection of a highest point of the front opening on the first plane being greater than or equal to 100 mm and less than or equal to 300 mm; a diameter D of the snowplow paddle being greater than or equal to 220 mm and less than or equal to 450 mm; the first plane being substantially parallel to the ground plane; the front opening comprising an inclined portion, an angle α between the inclined portion and the first plane being greater than or equal to 30 degrees and less than or equal to 90 degrees.

[0014] In some embodiments, the ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle on the first plane and the projection of the highest point of the front opening on the first plane to the diameter D of the snowplow paddle is less than or equal to 0.65.

[0015] In some embodiments, a projection length L2 of the inclined portion on the first plane is greater than or equal to 0 and less than or equal to 0.5*D, where D is the diameter of the snowplow paddle.

[0016] In some embodiments, the snowplow further includes at least one battery pack, which is used to power a first motor that drives the snowplow component.

[0017] In some embodiments, a snow throwing cylinder, a second motor and a snow throwing member are also included. The snow throwing cylinder can be operated to rotate to change the direction of snow discharge, and the second motor is used to drive the snow throwing member to rotate to throw the snow from the snow paddle to the snow throwing cylinder.

[0018] The benefits of the present application are as follows: the snow inlet shell has a front opening portion, which accommodates at least a portion of the snowplow assembly, and the snowplow assembly collects the accumulated snow into the snow inlet shell. The ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle on the first plane and the projection of the highest point of the front opening on the first plane to the diameter D of the snowplow paddle is less than or equal to 0.65, and the first plane is basically parallel to the ground plane, that is, the highest point of the front opening is close to the rear edge of the snowplow paddle in the front-to-back direction, and the highest point of the front opening is relatively far back, thereby preventing the highest point of the front opening from contacting the snow, thereby preventing snow from accumulating in the front opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the snowplow provided by the present application;

[0020] Figure 2 is a front view of the snowplow provided by the present application;

[0021] Figure 3 is a partial structural side view of the snowplow provided by the present application;

[0022] Figure 4 yes Figure 3 AA section view;

[0023] Figure 5 This is a partial structural view of the snow sweeper provided by this application Figure 1 ;

[0024] Figure 6 This is a partial structural view of the snow sweeper provided by this application Figure 2 ;

[0025] Figure 7 is an exploded schematic diagram of a bracket, a snowshoe and a locking member of a snowplow provided by the present application;

[0026] Figure 8 It is a schematic diagram of the cooperation between the bracket, snowshoe and locking member of the snowplow provided by the present application;

[0027] Fig. 9 This is a schematic diagram of the structure of the snowshoe of the snowplow provided by this application. Figure 1 ;

[0028] Fig.10 This is a schematic diagram of the structure of the snowshoe of the snowplow provided by this application. Figure 2 ;

[0029] Fig.11 It is a structural schematic diagram of the snow-clearing blade provided in this application.

[0030] In the figure:

[0031] 101. first plane; 102. second plane; 103. first straight line;

[0032] 110, main machine; 120, operating assembly; 130, running wheel;

[0033] 140, snow-sweeping assembly; 141, rotating shaft; 1411, first axis; 142, snow-sweeping paddle; 1421, snow-sweeping paddle blade; 14211, paddle body; 14212, snow-sweeping teeth;

[0034] 150, snow inlet shell; 151, front opening; 1511, highest point; 1512, inclined portion; 152, first accommodation space; 153, top plate; 154, back plate; 155, side plate; 156, rear side surface;

[0035] 160. Snow barrel throwing;

[0036] 170, snowshoe; 171, long hole; 172, first inclined surface; 173, first supporting surface; 174, second supporting surface; 180, bracket; 181, locking hole; 182, second inclined surface;

[0037] 190. Locking piece. DETAILED DESCRIPTION

[0038] Before any embodiments of the application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the above drawings.

[0039] In this application, the terms "comprises", "includes", "has" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element.

[0040] In this application, the term "and / or" is a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this application generally indicates that the related objects before and after are in an "and / or" relationship.

[0041] In the present application, the terms "connect", "combine", "couple", and "install" may refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, direct connection refers to two parts or components being connected together without the need for an intermediate piece, and indirect connection refers to two parts or components being connected to at least one intermediate piece respectively, and the two parts or components being connected via the intermediate piece. In addition, "connect" and "couple" are not limited to physical or mechanical connections or couplings, and may include electrical connections or couplings.

[0042] In the present application, it will be understood by those of ordinary skill in the art that relative terms (e.g., "about," "approximately," "substantially," etc.) used in conjunction with quantities or conditions include the values ​​and have the meaning indicated by the context. For example, the relative terms include at least the degree of error associated with the measurement of a specific value, the tolerances caused by manufacturing, assembly, and use associated with a specific value, and the like. Such terms should also be considered to disclose a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to plus or minus a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​that do not use relative terms should also be disclosed as specific values ​​with tolerances. In addition, "substantially" may refer to plus or minus a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) on the basis of the indicated angle when expressing a relative angular position relationship (e.g., substantially parallel, substantially perpendicular).

[0043] In this application, it will be understood by those skilled in the art that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.

[0044] In the present application, the terms "upper", "lower", "left", "right", "front", "back" and other directional words are described based on the orientation and positional relationship shown in the accompanying drawings, and should not be understood as limiting the embodiments of the present application. In addition, in the context, it is also necessary to understand that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to another element "upper" or "lower", but also indirectly connected to another element "upper" or "lower" through an intermediate element. It should also be understood that directional words such as upper side, lower side, left side, right side, front side, back side, etc. not only represent the positive orientation, but can also be understood as the lateral orientation. For example, the bottom can include directly below, lower left, lower right, lower front, and lower back, etc.

[0045] See also Figures 1 to 5 The present application provides a snowplow. For the convenience of explanation, according to the travel direction of the snowplow under general working conditions, the following settings are made: Figure 1The snow sweeper includes a main body 110 and an operating assembly 120. The main body 110 is provided with walking wheels 130 on the left and right sides for supporting the snow sweeper to walk on the ground. The operating assembly 120 is provided at the rear side of the main body 110 and connected to the main body 110. The operating assembly 120 includes a connecting rod and a handle. The connecting rod is used to connect the handle and the main body 110. The handle is for the user to operate.

[0046] The snowplow also includes a snowplow system, a power system, a transmission system and an energy system. The transmission system is used to transfer kinetic energy from the power system to the snowplow system, and the energy system is used to supply energy to the power system.

[0047] The snow removal system includes a snow removal assembly 140 and a snow inlet housing 150. The snow removal assembly 140 includes a rotating shaft 141 and a snow removal paddle 142 disposed on the rotating shaft 141. The rotating shaft 141 is configured to rotate about a first axis 1411. The snow inlet housing 150 accommodates at least part of the snow removal assembly 140. The snow inlet housing 150 has a front opening 151 for snow inlet. It can be understood that the front opening 151 is opened at the front end of the snow inlet housing 150.

[0048] Among them, the snow-inlet shell 150 is formed with a first accommodating space 152 and a second accommodating space connected to the first accommodating space 152. The rotating shaft 141 and at least part of the snow-clearing paddle 142 are located in the first accommodating space 152. The first accommodating space 152 is recessed from front to back, and the second accommodating space is located at the rear end of the first accommodating space 152. The front opening 151 is a snow inlet arranged at the front end of the first accommodating space 152.

[0049] Specifically, the snow inlet housing 150 includes a top plate 153, a back plate 154, and side plates 155 disposed on the left and right sides of the back plate 154, and the top plate 153, the back plate 154, and the side plates 155 enclose a first accommodation space 152. Both ends of the rotating shaft 141 are connected to the side plates 155. The back plate 154 has an arc portion for accommodating the snow paddle 142. The first accommodation space 152 has a top wall, a rear wall, and side walls. Exemplarily, the top wall is a horizontal surface or a stepped surface, at least a portion of the rear wall is a plane, at least a portion of the rear wall is a curved surface, and the side walls are vertical surfaces.

[0050] In some embodiments, the snow inlet shell 150 is an integrally formed structure, with the front opening 151 facing forward. The wall thickness of the snow inlet shell 150 is greater than or equal to 1.2 mm and less than or equal to 3 mm. In some embodiments, the snow inlet shell 150 is formed by connecting a plurality of independently formed plates. The wall thickness of the side panels 155 is greater than the wall thickness of the back panel 154, the wall thickness of the side panels 155 is greater than or equal to 1.5 mm and less than or equal to 2 mm, and the wall thickness of the back panel 154 is greater than or equal to 1.2 mm and less than or equal to 1.8 mm. In some embodiments, the snow inlet shell 150 is a metal structure. In some embodiments, the snow inlet shell 150 is made of non-metallic material. In some embodiments, the snow inlet shell 150 is assembled from metal materials and non-metallic materials.

[0051] As described above, the snow inlet housing 150 includes a back plate 154 and side plates 155 disposed on the left and right sides of the back plate 154. The side plates 155 form a first projection on the second plane 102, and the snow removal assembly 140 forms a second projection on the second plane 102, and the ratio of the area S1 of the first projection to the overlapping area S2 of the first projection and the second projection is greater than or equal to 1 and less than or equal to 1.6; the second plane 102 is substantially perpendicular to the first axis 1411.

[0052] In some embodiments, the ratio of the area S1 of the first projection to the overlapping area S2 of the first projection and the second projection is greater than or equal to 1.2 and less than or equal to 1.5. In some embodiments, the ratio of the area S1 of the first projection to the overlapping area S2 of the first projection and the second projection is equal to 1, 1.1, 1.26, 1.36, 1.4 or 1.5.

[0053] The height difference between the center of gravity of the snow inlet shell 150 and the first axis 1411 in the vertical direction is greater than or equal to 90 mm and less than or equal to 110 mm, ensuring the stability of the center of gravity. In some embodiments, the height difference between the center of gravity of the snow inlet shell 150 and the first axis 1411 in the vertical direction is greater than or equal to 95 mm and less than or equal to 105 mm. In some embodiments, the height difference between the center of gravity of the snow inlet shell 150 and the first axis 1411 in the vertical direction is equal to 90 mm, 92 mm, 95 mm, 98 mm, 100 mm, 102 mm, 105 mm, 108 mm or 110 mm.

[0054] The distance between the projection of the center of gravity of the snow-inlet shell 150 on the first plane 101 and the projection of the first axis 1411 on the first plane 101 is greater than or equal to 10 mm and less than or equal to 20 mm; the first plane 101 is substantially parallel to the ground plane. The center of gravity is relatively close to the first axis 1411 to ensure stability. In some embodiments, the distance between the projection of the center of gravity of the snow-inlet shell 150 on the first plane 101 and the projection of the first axis 1411 on the first plane 101 is greater than or equal to 12 mm and less than or equal to 18 mm. In some embodiments, the distance between the projection of the center of gravity of the snow-inlet shell 150 on the first plane 101 and the projection of the first axis 1411 on the first plane 101 is equal to 12 mm, 13 mm, 14 mm, 15 mm, 15.5 mm, 16 mm, 18 mm or 20 mm.

[0055] See also Figure 4 , the distance L1 between the projection of the highest point 1511 of the front opening 151 on the first plane 101 and the projection of the first axis 1411 on the first plane 101 is less than or equal to 20 mm; the first plane 101 is substantially parallel to the ground plane. That is, the highest point 1511 of the front opening 151 is close to the first axis 1411 in the front-to-back direction, and the highest point 1511 of the front opening 151 is relatively far back, so as to avoid the highest point 1511 of the front opening 151 from contacting the snow, reduce the resistance in the process of moving forward, and also avoid the accumulation of snow on the top of the snow inlet shell 150. Exemplarily, the distance L1 between the projection of the highest point 1511 of the front opening 151 on the first plane 101 and the projection of the first axis 1411 on the first plane 101 is equal to 20 mm, 18 mm, 15 mm, 12 mm, 10 mm, 8 mm, 5 mm, 3 mm or 0 mm.

[0056] In some embodiments, a distance L1 between a projection of a highest point 1511 of the front opening 151 on the first plane 101 and a projection of the first axis 1411 on the first plane 101 is greater than 0 and less than or equal to 20 mm. The projection of the highest point 1511 of the front opening 151 on the first plane 101 is located in front of or behind the projection of the first axis 1411 on the first plane 101.

[0057] In some embodiments, the projection of the highest point 1511 of the front opening portion 151 on the first plane 101 overlaps with the projection of the first axis 1411 on the first plane 101, that is, the distance L1 between the projection of the highest point 1511 of the front opening portion 151 on the first plane 101 and the projection of the first axis 1411 on the first plane 101 is equal to 0 mm, that is, the highest point 1511 of the front opening portion 151 is located directly above the first axis 1411.

[0058] See also Figure 5, the front opening portion 151 includes an inclined portion 1512, and the angle α between the inclined portion 1512 and the first plane 101 is greater than or equal to 30 degrees and less than or equal to 90 degrees. In some embodiments, the front opening portion 151 includes an inclined portion 1512, and the angle α between the inclined portion 1512 and the first plane 101 is greater than or equal to 45 degrees and less than or equal to 60 degrees. In some embodiments, the front opening portion 151 includes an inclined portion 1512, and the angle α between the inclined portion 1512 and the first plane 101 is equal to 30 degrees, 35 degrees, 40 degrees, 45 degrees, 50 degrees, 55 degrees, 60 degrees, 65 degrees, 70 degrees, 75 degrees, 80 degrees, 85 degrees or 90 degrees.

[0059] Among them, the inclined part 1512 is located at the upper end of the front opening 151 and extends upward from front to rear. The setting of the inclined part 1512 makes the top of the front opening 151 further backward, further avoiding the highest point 1511 of the front opening 151 from contacting the snow, thereby reducing the resistance during the forward movement.

[0060] The projection length L2 of the inclined portion 1512 on the first plane 101 is greater than or equal to 0 and less than or equal to 0.5*D, where D is the diameter of the snowplow paddle 142, so that the inclined portion 1512 occupies a smaller space in the front-to-back direction. In some embodiments, the projection length L2 of the inclined portion 1512 on the first plane 101 is greater than or equal to 0 and less than or equal to 0.2*D. Exemplarily, the diameter D of the snowplow paddle 142 is greater than or equal to 220 mm and less than or equal to 450 mm.

[0061] The snowplow further includes a snow throwing assembly, which includes a snow throwing cylinder 160 and a snow throwing member. The snow throwing cylinder 160 is disposed at the rear of the snow inlet housing 150. The snow throwing cylinder 160 can be operated to rotate to change the direction of snow discharge. At least part of the snow throwing member is disposed in the snow inlet housing 150. The snow throwing member rotates about the second axis to throw the snow from the snow paddle 142 toward the snow throwing cylinder 160. Specifically, at least part of the snow throwing member is disposed in the second accommodation space of the snow inlet housing 150. The snow throwing member can adopt an existing structure, which will not be described in detail herein.

[0062] The energy system includes a battery pack, which may be a single battery pack or a plurality of battery packs. The power system includes a motor, and the battery pack is used to supply power to the motor. In some embodiments, the snowplow is a second-stage snowplow, and the snowplow paddle 142 and the snow thrower are driven separately. In some embodiments, the snowplow is a first-stage snowplow, and the snowplow paddle 142 and the snow thrower share a common motor drive.

[0063] The snowplow also includes at least one battery pack, which is used to power the first motor that drives the snowplow assembly 140. Specifically, the first motor is powered by the battery pack and is used to drive the rotating shaft 141 to rotate so as to drive the snowplow paddle 142 to rotate. The snowplow also includes a second motor, which is used to drive the snow throwing member to rotate. The first motor and the second motor can share a battery pack, or one battery pack can be provided for the first motor and another battery pack can be provided for the second motor.

[0064] The snow throwing assembly also includes a snow throwing shell. The bottom end of the snow throwing cylinder 160 is connected to the snow throwing shell. The snow throwing shell is connected to the snow inlet shell 150. At least part of the snow throwing member is arranged in the snow throwing shell.

[0065] See also Figure 2 , the height difference L3 between the lower edge of the snow throwing cylinder 160 and the upper edge of the snow inlet housing 150 is less than or equal to 50 mm, so as to prevent the snow inlet housing 150 from blocking the snow throwing cylinder 160 from throwing snow outward. In some embodiments, the height difference L3 between the lower edge of the snow throwing cylinder 160 and the upper edge of the snow inlet housing 150 is less than or equal to 30 mm. In some embodiments, the height difference L3 between the lower edge of the snow throwing cylinder 160 and the upper edge of the snow inlet housing 150 is equal to 50 mm, 40 mm, 30 mm, 20 mm, 10 mm or 0 mm.

[0066] The ratio of the height difference L3 between the lower edge of the snow throwing cylinder 160 and the upper edge of the snow inlet shell 150 to the total height L4 of the snow throwing cylinder 160 is less than or equal to 0.2, so as to prevent the snow inlet shell 150 from blocking the snow throwing cylinder 160 from throwing snow outward.

[0067] The snow inlet housing 150 further has a rear side surface 156, which is the rear surface of the back plate 154. The minimum distance L5 from the snow throwing cylinder 160 to the rear side surface 156 is greater than or equal to 30 mm and less than or equal to 80 mm. In some embodiments, the minimum distance L5 from the snow throwing cylinder 160 to the rear side surface 156 is greater than or equal to 50 mm and less than or equal to 60 mm. In some embodiments, the minimum distance L5 from the snow throwing cylinder 160 to the rear side surface 156 is equal to 55 mm.

[0068] The snowplow paddle 142 includes a plurality of snowplow blades 1421, and the distance from the farthest point on the snowplow blade 1421 from the first axis 1411 to the first axis 1411 is the radius of the snowplow paddle 142. In some embodiments, the snowplow blade 1421 extends substantially along a spiral surface. In some embodiments, the snowplow blade 1421 extends substantially along a plane in a spiral shape.

[0069] The snow-clearing blade 1421 includes a blade body 14211 and a plurality of snow-clearing teeth 14212, wherein the snow-clearing teeth 14212 are arranged on a side of the blade body 14211 away from the first axis 1411. The snow-clearing teeth 14212 and the blade body 14211 may be arranged on the same surface, or may be arranged on the same surface, as shown in FIG. Fig.11 , an angle β is formed between the snow-clearing tooth 14212 and the blade body 14211, and the angle β is greater than or equal to 30 degrees and less than or equal to 45 degrees. In some embodiments, the angle β is equal to 30 degrees, 35 degrees, 40 degrees or 45 degrees. By forming the angle β, the snow-clearing tooth 14212 guides the snow, and during the rotation of the snow-clearing blade 1421, the snow-clearing tooth 14212 guides the snow to move into the snow inlet housing 150.

[0070] In some embodiments, the ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle 142 on the first plane 101 and the projection of the highest point 1511 of the front opening 151 on the first plane 101 to the diameter D of the snowplow paddle 142 is less than or equal to 0.65; the first plane 101 is substantially parallel to the ground plane. The snowplow paddle 142 is not uniformly distributed around the first axis 1411, so there is a minimum distance L6 between the projection of the rear edge of the snowplow paddle 142 on the first plane 101 and the projection of the highest point 1511 of the front opening 151 on the first plane 101. It can be understood that, along the front-to-back direction, the rear edge of the snowplow paddle 142 is located behind the highest point 1511 of the front opening 151.

[0071] like Figure 4 The ratio of the minimum distance L6 to the diameter D of the snowplow paddle 142 is less than or equal to 0.65, that is, along the front-to-back direction, the highest point 1511 of the front opening 151 is moved as far back as possible, and the top of the front opening 151 is further back, further avoiding the highest point 1511 of the front opening 151 from contacting the snow, thereby reducing the resistance during the forward movement.

[0072] In some embodiments, the ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle 142 on the first plane 101 and the projection of the highest point 1511 of the front opening 151 on the first plane 101 to the diameter D of the snowplow paddle 142 is less than or equal to 0.6.

[0073] The difference between the diameter D of the snow paddle 142 and the minimum distance L6 is greater than or equal to 20 mm. In some embodiments, the difference between the diameter D of the snow paddle 142 and the minimum distance L6 is greater than or equal to 30 mm. In some embodiments, the difference between the diameter D of the snow paddle 142 and the minimum distance L6 is equal to 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, or 50 mm.

[0074] In some embodiments, the distance L6 between the projection of the rear edge of the snowplow paddle 142 on the first plane 101 and the projection of the highest point 1511 of the front opening 151 on the first plane 101 is greater than or equal to 100 mm and less than or equal to 300 mm; the diameter D of the snowplow paddle 142 is greater than or equal to 220 mm and less than or equal to 450 mm; the first plane 101 is substantially parallel to the ground plane. In some embodiments, the distance L6 between the projection of the rear edge of the snowplow paddle 142 on the first plane 101 and the projection of the highest point 1511 of the front opening 151 on the first plane 101 is greater than or equal to 150 mm and less than or equal to 250 mm. In some embodiments, the distance L6 between the projection of the rear edge of the snowplow paddle 142 on the first plane 101 and the projection of the highest point 1511 of the front opening 151 on the first plane 101 is equal to 100 mm, 120 mm, 150 mm, 180 mm, 200 mm, 220 mm, 250 mm, 280 mm or 300 mm.

[0075] See also Figures 1 to 10 The snowplow further includes a snow shoe 170, which is disposed on the snow inlet housing 150. During the forward movement, the snow shoe 170 rubs against the snow to reduce the forward resistance. Usually, two snow shoes 170 are disposed on the left and right sides of the snow inlet housing 150, and the position of the snow shoe 170 can be adjusted in the up and down direction. During the adjustment, the snow shoe 170 may be twisted, resulting in a phenomenon in which one side is higher than the other side. In this embodiment, at least two snow shoes 170 are disposed at intervals on the rear side of the snow inlet housing 150 to reduce the forward resistance of the snow inlet housing 150 and prevent the snow inlet housing 150 from tilting on the snow.

[0076] like Figure 5 As shown, along the front-to-back direction, the ratio of the width W1 of the snowshoe 170 to the width W2 of the snow-entering shell 150 is greater than or equal to 0.6 and less than or equal to 1. In some embodiments, along the front-to-back direction, the ratio of the width W1 of the snowshoe 170 to the width W2 of the snow-entering shell 150 is greater than or equal to 0.7 and less than or equal to 0.9. In some embodiments, along the front-to-back direction, the ratio of the width W1 of the snowshoe 170 to the width W2 of the snow-entering shell 150 is equal to 0.6, 0.7, 0.8, 0.9 or 1.

[0077] In this embodiment, two snow shoes 170 are provided, and the distance between the two snow shoes 170 along the left and right direction is n, and the width of the snow inlet shell 150 is m, and n is greater than or equal to 0.6*m and less than or equal to m. The distance between the two snow shoes 170 is large, which can provide stable support to the snow inlet shell 150, so that the snow inlet shell 150 can maintain balance.

[0078] Since the rear space of the snow inlet housing 150 is small, the position adjustment of the snowshoe 170 is limited. In this embodiment, the snowshoe 170 can be adjusted along the first straight line 103, and the angle between the first straight line 103 and the ground plane is greater than or equal to 30 degrees and less than or equal to 60 degrees to make full use of the space. In some embodiments, the angle between the first straight line 103 and the ground plane is equal to 30 degrees, 35 degrees, 40 degrees, 45 degrees, 50 degrees, 55 degrees or 60 degrees.

[0079] See also Figures 5 to 7 A bracket 180 is provided on the snow-entry shell 150. One of the bracket 180 and the snowshoe 170 is provided with a long hole 171, and the other is provided with a locking hole 181. The long hole 171 extends along the direction of the first straight line 103. The snowshoe 170 and the bracket 180 are detachably connected through a locking piece 190, and the locking piece 190 passes through the locking hole 181 and the long hole 171.

[0080] In this embodiment, the snowshoe 170 is provided with an elongated hole 171, and the bracket 180 is provided with a locking hole 181. The locking member 190 can be a bolt and a nut matching structure, or the locking hole 181 is a threaded hole, and the locking member 190 is a bolt. The snowshoe 170 can be tilted upward or downward along the direction of the elongated hole 171, see Figure 5 , the snowshoe 170 is at the lowest position, and a locking member 190 abuts against the lowest end of the long hole 171; see Figure 6 , the snowshoe 170 is located at the highest position, and another locking member 190 abuts against the highest end of the long hole 171.

[0081] Furthermore, the snowshoe 170 is provided with a first inclined surface 172, and the bracket 180 is provided with a second inclined surface 182, the first inclined surface 172 abuts against the second inclined surface 182, and the first inclined surface 172 and the second inclined surface 182 both extend parallel to the first straight line 103. The first inclined surface 172 cooperates with the second inclined surface 182 to play a limiting and guiding role, and when adjusting the position of the snowshoe 170, the snowshoe 170 is slid along the second inclined surface 182, thereby ensuring that the snowshoe 170 is always shifted along the first straight line 103.

[0082] In this embodiment, the angle between the first straight line 103 and the ground plane is equal to 45 degrees, the snowshoe 170 is an isosceles right triangle structure, and the snowshoe 170 also includes a first support surface 173 and a second support surface 174. The first support surface 173 and the second support surface 174 are vertically arranged, and the angle between the first support surface 173 and the first inclined surface 172 is equal to 45 degrees, and the angle between the second support surface 174 and the first inclined surface 172 is equal to 45 degrees. When in use, after the first support surface 173 is worn, the second support surface 174 can be brought into contact with the snow, so as to achieve double-sided use and increase the service life.

[0083] Specifically, after the first support surface 173 is worn, the second support surface 174 can be brought into contact with the snow by rotating and / or flipping the snowshoe 170; or the two snowshoes 170 can be interchanged and the second support surface 174 can be brought into contact with the snow by rotating and / or flipping the snowshoe 170.

[0084] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the above embodiments do not limit the present application in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the present application.

Claims

1. A snow sweeper, comprising: Traveling wheels (130) for supporting the snowplow to travel on the ground plane; A snow-clearing assembly (140) comprises a rotating shaft (141) and a snow-clearing paddle (142) arranged on the rotating shaft (141), wherein the rotating shaft (141) is arranged to rotate about a first axis (1411); A first motor, powered by a battery pack, for driving the rotating shaft (141) to rotate so as to drive the snowplow paddle (142) to rotate; A snow inlet housing (150) for accommodating at least a portion of the snow removal assembly (140); It is characterized in that the snow-entry shell (150) has a front opening (151) for entering snow, and the ratio of the minimum distance L6 between the projection of the rear edge of the snowplow (142) on the first plane (101) and the projection of the highest point (1511) of the front opening (151) on the first plane (101) to the diameter D of the snowplow (142) is less than or equal to 0.65; the first plane (101) is basically parallel to the ground plane.

2. The snow sweeper according to claim 1, characterized in that: The ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle (142) on the first plane (101) and the projection of the highest point (1511) of the front opening (151) on the first plane (101) to the diameter D of the snowplow paddle (142) is less than or equal to 0.

6.

3. The snow sweeper according to claim 1, characterized in that: The difference between the diameter D of the snow-clearing paddle (142) and the minimum distance L6 is greater than or equal to 20 mm.

4. The snow sweeper according to claim 1, characterized in that: The front opening portion (151) comprises an inclined portion (1512), and an included angle α between the inclined portion (1512) and the first plane (101) is greater than or equal to 30 degrees and less than or equal to 90 degrees.

5. The snow sweeper according to claim 1, characterized in that: The projection of the highest point (1511) of the front opening portion (151) on the first plane (101) overlaps with the projection of the first axis (1411) on the first plane (101), or the projection of the highest point (1511) of the front opening portion (151) on the first plane (101) is located behind the projection of the first axis (1411) on the first plane (101).

6. The snow sweeper according to claim 1, characterized in that: It also includes a snow shoe (170), which is arranged on the snow entry shell (150), and along the front-to-back direction, the ratio of the width W1 of the snow shoe (170) to the width W2 of the snow entry shell (150) is greater than or equal to 0.6 and less than or equal to 1.

7. The snow sweeper according to claim 1, characterized in that: The snow-introducing shell (150) includes a back plate (154) and side plates (155) arranged on the left and right sides of the back plate (154), the side plate (155) forms a first projection on the second plane (102), and the snow-clearing assembly (140) forms a second projection on the second plane (102), and the ratio of the area S1 of the first projection to the overlapping area S2 of the first projection and the second projection is greater than or equal to 1 and less than or equal to 1.6; the second plane (102) is basically perpendicular to the first axis (1411).

8. A snowplow, comprising: Traveling wheels (130) for supporting the snowplow to travel on the ground plane; A snow-clearing assembly (140) comprises a rotating shaft (141) and a snow-clearing paddle (142) arranged on the rotating shaft (141), wherein the rotating shaft (141) is arranged to rotate about a first axis (1411); A snow inlet housing (150) for accommodating at least a portion of the snow removal assembly (140); The snow-intake shell (150) is characterized in that the snow-intake shell (150) has a front opening (151) for snow intake, and the distance L6 between the projection of the rear edge of the snow-clearing paddle (142) on the first plane (101) and the projection of the highest point (1511) of the front opening (151) on the first plane (101) is greater than or equal to 100 mm and less than or equal to 300 mm; the diameter D of the snow-clearing paddle (142) is greater than or equal to 220 mm and less than or equal to 450 mm; the first plane (101) is substantially parallel to the ground plane; The front opening portion (151) comprises an inclined portion (1512), and an included angle α between the inclined portion (1512) and the first plane (101) is greater than or equal to 30 degrees and less than or equal to 90 degrees.

9. The snow sweeper according to claim 8, characterized in that: The ratio of the minimum distance L6 between the projection of the rear edge of the snowplow paddle (142) on the first plane (101) and the projection of the highest point (1511) of the front opening (151) on the first plane (101) to the diameter D of the snowplow paddle (142) is less than or equal to 0.

65.

10. The snow sweeper according to claim 8, characterized in that: The projection length L2 of the inclined portion (1512) on the first plane (101) is greater than or equal to 0 and less than or equal to 0.5*D, where D is the diameter of the snowplow paddle (142).

11. The snow sweeper according to claim 8, characterized in that: The snowplow also includes at least one battery pack, which is used to supply power to a first motor that drives the snowplow assembly (140).

12. The snow sweeper according to claim 8, characterized in that: The invention also comprises a snow throwing cylinder (160), a second motor and a snow throwing member. The snow throwing cylinder (160) can be operated to rotate to change the direction of snow discharge. The second motor is used to drive the snow throwing member to rotate so as to throw the snow from the snow paddle (142) toward the snow throwing cylinder (160).

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