Leaf blowing machine

Abstract

The utility model provides a leaf blowing machine. The leaf blowing machine comprises a leaf blowing machine body, a fan assembly and a wind shielding piece. An air duct is formed in the leaf blowing machine main body; the air duct is provided with a first air inlet end and a first air outlet end; the fan assembly is connected to the leaf blowing machine main body; the fan assembly is located on one side of the leaf blowing machine body and provided with a second air inlet end and a second air outlet end. The second air inlet end communicates with the external environment, and the second air outlet end communicates with the first air inlet end of the air duct. The wind shielding piece is installed on the leaf blowing machine body or the draught fan assembly. According to the leaf blowing machine, the air blocking piece is arranged in the leaf blowing machine body and can block impurities in the external environment from entering the fan assembly, the impurities are prevented from entering the fan assembly through the air blocking piece, the influence of the impurities on the fan assembly is avoided, normal operation of the fan assembly of the leaf blowing machine is guaranteed, and the using effect of the fan assembly is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of leaf blowers, and more particularly to a leaf blower. Background Technology

[0002] With the development of technology, leaf blowers are a type of gardening equipment used to blow away leaves, debris, and any other unwanted materials from a landscape.

[0003] In the existing technology, the existing leaf blower includes a leaf blower body and a fan assembly. The leaf blower body forms an air duct. The fan assembly is connected to the leaf blower body and is connected to the external environment. The air outlet of the fan assembly is connected to the air inlet of the air duct so that the fan assembly can draw air from the external environment and flow it into the air duct. However, the fan assembly is prone to carrying away debris during the air extraction process, which causes the debris to affect the normal operation of the fan assembly of the leaf blower. Utility Model Content

[0004] The purpose of this utility model is to provide a leaf blower, wherein the main body of the leaf blower forms an air duct; the air duct is provided with a first air inlet and a first air outlet; a fan assembly is connected to the main body of the leaf blower; the fan assembly is located on one side of the main body of the leaf blower, and the fan assembly is provided with a second air inlet and a second air outlet; the second air inlet is connected to the external environment, and the second air outlet is connected to the first air inlet of the air duct; a baffle is installed on the main body of the leaf blower or the fan assembly; the baffle is built into the main body of the leaf blower and can block debris from the external environment from entering the fan assembly. By preventing debris from entering the fan assembly, the influence of debris on the fan assembly is avoided, ensuring the normal operation of the fan assembly of the leaf blower and improving the performance of the fan assembly.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a leaf blower, the leaf blower comprising:

[0006] The main body of the leaf blower forms an air duct; the air duct is provided with a first air inlet and a first air outlet.

[0007] A fan assembly is connected to the main body of the leaf blower; the fan assembly is located on one side of the main body of the leaf blower, and the fan assembly is provided with a second air inlet and a second air outlet; the second air inlet is connected to the external environment, and the second air outlet is connected to the first air inlet of the air duct;

[0008] A wind deflector is installed on the main body of the leaf blower or the fan assembly; the wind deflector is built into the main body of the leaf blower and can prevent debris from the external environment from entering the fan assembly.

[0009] Optionally, the windbreak is fitted onto the fan assembly and positioned and connected to the main body of the leaf blower.

[0010] Optionally, the windbreak component includes a sleeve and a windbreak portion, wherein the sleeve is sleeved on the fan assembly;

[0011] The windbreak is circumferentially disposed on the sleeve seat and extends in an arc shape toward the inner side wall of the blower body;

[0012] The end of the windbreak that is away from the sleeve seat is attached to the inner side wall of the blower body.

[0013] Optionally, the blower body is provided with a through hole, which connects to the external environment and exposes the blower assembly;

[0014] The windbreak is used to prevent debris entering through the through hole from entering the fan assembly.

[0015] Optionally, the windbreak is provided with a positioning groove, and the inner side wall of the leaf blower body is provided with a positioning strip. The positioning strip is inserted into the positioning groove, so that the windbreak is positioned and connected to the leaf blower body.

[0016] Optionally, the leaf blower further includes a shock absorber located at the bottom of the leaf blower body and connected to the leaf blower body.

[0017] Optionally, the leaf blower body includes a first body and a gripping component;

[0018] The gripping component is stacked with the first body in the left-right direction, and the gripping component is connected to the first body in the left-right direction, forming a first accommodating space;

[0019] The fan assembly is installed on the first main body in the left-right direction and is located in the first accommodating space.

[0020] Optionally, the gripping member is provided with a battery mounting portion for mounting a battery;

[0021] The gripping member has a first connecting channel, which connects the battery mounting portion and the first accommodating space.

[0022] The gripping element further includes a first conductive element, which is located within the first communicating channel and extends along the first communicating channel;

[0023] The first conductive element is electrically connected to the battery and the wind turbine assembly.

[0024] Optionally, the gripping component has a gripping space and a gripping part, the gripping part being used for the user's fingers to grip;

[0025] The gripping space connects to the external space and exposes the gripping part; the gripping space is used for the user's fingers to pass through;

[0026] The fan assembly includes a fan body and fan blades; the fan blades are connected to the output end of the fan body and rotate as the output end of the fan body rotates.

[0027] Optionally, the leaf blower further includes a nozzle, which is directly or indirectly connected to the main body of the leaf blower;

[0028] The air nozzles are arranged in a cone shape, and the air nozzles form a cone-shaped space, which is connected to the first air outlet end;

[0029] An extension tube is provided between the nozzle and the main body of the leaf blower, and the extension tube is detachably connected to the nozzle and the main body of the leaf blower.

[0030] The extension tube rotates relative to the main body of the leaf blower and is installed on or detached from the main body of the leaf blower during the rotation.

[0031] The nozzle rotates relative to the extension pipe and is installed on or detached from the extension pipe during the rotation.

[0032] Compared with the prior art, the beneficial effects of this utility model are:

[0033] This utility model provides a leaf blower, the main body of which forms an air duct; the air duct has a first air inlet and a first air outlet; a fan assembly is connected to the main body of the leaf blower; the fan assembly is located on one side of the main body of the leaf blower, and the fan assembly has a second air inlet and a second air outlet; the second air inlet is connected to the external environment, and the second air outlet is connected to the first air inlet of the air duct; a baffle is installed on the main body of the leaf blower or the fan assembly; the baffle is built into the main body of the leaf blower and can block debris from the external environment from entering the fan assembly. By preventing debris from entering the fan assembly, the baffle avoids the impact of debris on the fan assembly, ensuring the normal operation of the fan assembly of the leaf blower and improving the performance of the fan assembly. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0036] Figure 1A schematic diagram of a leaf blower according to an embodiment of this application is shown.

[0037] Figure 2 A first-state cross-sectional view of a leaf blower according to an embodiment of this application is shown.

[0038] Figure 3 A second cross-sectional view of a leaf blower according to an embodiment of this application is shown.

[0039] Figure 4 An exploded view of a first state of a leaf blower according to an embodiment of this application is shown.

[0040] Figure 5 An exploded view of a second state of a leaf blower according to an embodiment of this application is shown.

[0041] Figure 6 A schematic diagram of a wind deflector for a leaf blower according to an embodiment of this application is shown;

[0042] Figure 7 A circuit block diagram of a controller for a leaf blower according to an embodiment of this application is shown.

[0043] Figure Labels

[0044] 100. Leaf blowing machine;

[0045] 10. Leaf blower body; 10a. Air duct; 10b. First air inlet; 10c. First air outlet; 10d. Through hole; 11. Positioning strip; 12. First body; 12a. First receiving space; 13. Handling component; 13a. First connecting channel; 13b. Handling space; 131. Battery mounting part; 132. Handling part;

[0046] 20. Fan assembly; 20a. Second air inlet; 20c. Second air outlet; 21. Fan body; 22. Fan blades;

[0047] 30. Windshield component; 31. Mounting base; 32. Windshield section; 321. Positioning groove;

[0048] 40. Shock-absorbing components;

[0049] 50. Air nozzle; 50a. Conical space;

[0050] 60. Extension fittings. Detailed Implementation

[0051] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0052] Please refer to the attached document. Figures 1-7 This application provides a leaf blower 100, which is used to blow away leaves, debris, and any other unwanted materials in a landscape. In this embodiment, the leaf blower 100 includes a blower body 10, a fan assembly 20, and a wind deflector 30. The blower body 10 forms an air duct 10a; the air duct 10a has a first air inlet 10b and a first air outlet 10c; the fan assembly 20 is connected to the blower body 10; the fan assembly 20 is located on one side of the blower body 10, and the fan assembly 20 has a second air inlet 20a and a second air outlet 20c; the second air inlet 20a is connected to the external environment, and the second air outlet 20c... The air inlet 20c is connected to the first air inlet 10b of the air duct 10a; the wind deflector 30 is installed on the main body 10 of the leaf blower or the fan assembly 20; the wind deflector 30 is built into the main body 10 of the leaf blower and can block the external environment from entering the fan assembly 20. By preventing the wind deflector 30 from entering the fan assembly 20, the influence of the debris on the fan assembly 20 is avoided, ensuring the normal operation of the fan assembly 20 of the leaf blower 100 and improving the use effect of the fan assembly 20.

[0053] Please refer to the attached document. Figures 1-5 In this embodiment, the leaf blower body 10 serves as a supporting component of the leaf blower 100, supporting the fan assembly 20 and the wind deflector 30. The leaf blower body 10 forms an air duct 10a; the air duct 10a is used for airflow, and has a first air inlet end 10b and a first air outlet end 10c. The first air inlet end 10b is connected to the first air outlet end 10c, so that airflow can flow from the first air inlet end 10b to the first air outlet end 10c.

[0054] Please refer to the attached document. Figures 1-4 In this embodiment, the fan assembly 20 is disposed inside the blower body 10 and connected to the blower body 10. The fan assembly 20 is fixed to the inside of the blower body 10. The fan assembly 20 is provided with a second air inlet 20a and a second air outlet 20c. The second air inlet 20a is connected to the external environment, and the second air outlet 20c is connected to the first air inlet 10b of the air duct 10a. This allows the fan assembly 20 to draw air from the external environment into the second air inlet 20a under the driving action, thereby facilitating the flow of air from the second air inlet 20a to the first air inlet 10b of the air duct 10a.

[0055] Please refer to the attached document. Figures 3-6 In this embodiment, the wind deflector 30 is disposed on the inner side of the leaf blower body 10, and the wind deflector 30 is installed on the leaf blower body 10 or the fan assembly 20. The wind deflector 30 is built into the leaf blower body 10 and can block debris from the external environment from entering the fan assembly 20. By preventing debris from entering the fan assembly 20, the wind deflector 30 avoids the impact of debris on the fan assembly 20, ensuring the normal operation of the fan assembly 20 of the leaf blower 100 and improving the use effect of the fan assembly 20.

[0056] Please refer to the attached document. Figures 3-6 The wind deflector 30 is fitted onto the fan assembly 20 and is positioned and connected to the blower body 10, ensuring the positional accuracy of the wind deflector 30 relative to the blower body 10, preventing the wind deflector 30 from deviating from its position relative to the blower body 10, and ensuring the blocking position of the wind deflector 30 relative to the fan assembly 20.

[0057] Please refer to the attached document. Figure 6 The wind deflector 30 includes a sleeve 31 and a wind deflector 32. The sleeve 31 is sleeved on the blower assembly 20 so that the wind deflector 30 can be connected to the blower assembly 20 through the sleeve 31. The wind deflector 32 is arranged around the sleeve 31 and extends arcuately toward the inner wall of the blower body 10. At this time, the cross-section of the wind deflector 32 is arranged in an arc shape. The end of the wind deflector 32 away from the sleeve 31 is attached to the inner wall of the blower body 10. The wind deflector 32 fills the gap between the outer wall of the blower assembly 20 and the inner wall of the blower body 10, preventing debris from entering the blower assembly 20 through the gap between the outer wall of the blower assembly 20 and the inner wall of the blower body 10.

[0058] Please refer to the attached document. Figures 1-4 The main body 10 of the leaf blower is provided with a through hole 10d, which connects to the external environment and exposes the fan assembly 20, so that the fan assembly 20 can be connected to the external environment through the through hole 10d, thereby facilitating the flow of air from the external environment to the second air inlet 20a of the fan assembly 20 through the through hole 10d; the wind baffle 32 is used to block debris entering through the through hole 10d from entering the fan assembly 20. By preventing debris from entering the fan assembly 20, the wind baffle 32 avoids the impact of debris on the fan assembly 20, ensuring the normal operation of the fan assembly 20 of the leaf blower 100 and improving the use effect of the fan assembly 20.

[0059] Please refer to the attached document. Figure 5The windbreak part 32 is provided with a positioning groove 321, and the inner side wall of the leaf blower body 10 is provided with a positioning strip 11. The positioning strip 11 is inserted into the positioning groove 321, so that the windbreak part 32 and the leaf blower body 10 are positioned and connected. This allows the windbreak part 32 to be positioned and connected with the leaf blower body 10 through the cooperation of the positioning groove 321 and the positioning strip 11, thereby realizing the positioning connection between the windbreak part 30 and the leaf blower body 10 and ensuring the positional accuracy of the windbreak part 30 relative to the leaf blower body 10.

[0060] Please refer to the attached document. Figure 2 The leaf blower 100 also includes a shock absorber 40, which is located at the bottom of the leaf blower body 10 and connected to the leaf blower body 10 so that the shock absorber 40 can be fixed to the leaf blower body 10. The shock absorber 40 is used to suppress vibration, avoid damage to the leaf blower 100 and improve the performance of the leaf blower 100.

[0061] Optionally, the shock absorber 40 can be a flexible or rigid component. The shock absorber 40 is inserted into the leaf blower body 10 and positioned therewith. Located at the bottom of the leaf blower body 10, the shock absorber 40 provides gradual shock absorption from the bottom of the body, prioritizing shock absorption control of the grip 13, thus improving the performance of the grip 13. Optionally, the outer contour of the shock absorber 40 is block-shaped.

[0062] Please refer to the attached document. Figures 1-3 The leaf blower body 10 includes a first body 12 and a gripping member 13; the gripping member 13 and the first body 12 are stacked in the left-right direction, the gripping member 13 and the first body 12 are connected in the left-right direction, and a first accommodating space 12a is formed; the fan assembly 20 is installed in the first body 12 in the left-right direction and is located in the first accommodating space 12a, so that the fan assembly 20 can make full use of the first accommodating space 12a, reduce the volume of the leaf blower 100, and make it easy to carry.

[0063] Please refer to the attached document. Figures 1-3 The gripping member 13 is provided with a battery mounting part 131 for mounting a battery; the gripping member 13 forms a first connecting channel 13a, which connects the battery mounting part 131 and the first receiving space 12a.

[0064] Please refer to the attached document. Figures 1-3The gripping component 13 also includes a first conductive component, which is located within the first connecting channel 13a and extends along the first connecting channel 13a, so that the first conductive component can make full use of the space of the first connecting channel 13a; the first conductive component is electrically connected to the battery and the fan assembly 20, so that the battery can be electrically connected to the fan assembly 20 through the first conductive component, thereby facilitating the conduction of the battery's electrical energy to the fan assembly 20 through the first conductive component; when the fan assembly 20 is in the start-up state, the fan assembly 20 draws the airflow from the external environment to the air duct 10a.

[0065] Please refer to the attached document. Figures 1-3 The gripping component 13 is provided with a gripping space 13b and a gripping part 132. The gripping part 132 is used for the user's fingers to grip. The gripping space 13b is connected to the outside space and exposes the gripping part 132. The gripping space 13b is used for the user's fingers to pass through, so that the user's fingers can grasp the gripping part 132 by passing through the gripping space 13b, thus ensuring the stability of the user's fingers relative to the gripping part 132.

[0066] Please refer to the attached document. Figure 4 The fan assembly 20 includes a fan body 21 and a fan blade 22. The fan blade 22 is connected to the output end of the fan body 21 and rotates with the rotation of the output end of the fan body 21, so that the fan blade 22 can draw the air from the external environment to the air duct 10a during rotation, thereby facilitating the air of the air duct 10a to be discharged to the outside at the first air outlet 10c.

[0067] Please refer to the attached document. Figure 1 and 4 The leaf blower 100 also includes a nozzle 50, which is directly or indirectly connected to the leaf blower body 10. The nozzle 50 is arranged in a cone shape and forms a cone-shaped space 50a. The cone-shaped space 50a is connected to the first air outlet 10c so that the air from the first air outlet 10c can flow to the outside environment through the cone-shaped space 50a and blow away and clean up fallen leaves and other debris.

[0068] Please refer to the attached document. Figure 1 and 4An extension tube 60 is provided between the nozzle 50 and the main body 10 of the leaf blower. The extension tube 60 is detachably connected to the nozzle 50 and the main body 10 of the leaf blower, allowing the extension tube 60 to be connected to or disconnected from the nozzle 50 and the main body 10. When the extension tube is connected to the nozzle 50 and the main body 10 of the leaf blower, the distance between the nozzle 50 and the main body 10 is extended, allowing the nozzle 50 to be closer to the ground, avoiding the need for the user to bend over while using the leaf blower 100, thus improving the user's comfort. When the extension tube is disconnected from the nozzle 50 and the main body 10 of the leaf blower, the nozzle 50 is detached from the main body 100, thus reducing the size of the leaf blower 100, making it compact, lightweight, and easy to carry. It can also operate in various environments.

[0069] The extension fitting 60 rotates relative to the leaf blower body 10 and is installed on or detached from the leaf blower body 10 during rotation. The extension fitting 60 is detachably connected to the leaf blower body 10 by rotation and is detachably connected to the leaf blower body 10 by a threaded structure.

[0070] The nozzle 50 rotates relative to the extension fitting 60, and is installed or detached from the extension fitting 60 during the rotation. The extension fitting 60 is detachably connected to the nozzle 50 by rotation. The extension fitting 60 is detachably connected to the nozzle 50 by a threaded structure.

[0071] See Figure 7 The leaf blower 100 also includes a controller, which includes an MCU main control module 100, a power supply module 200, a start / stop control module 300, a wind speed control module 400, and a display module 500. The power supply module 200 provides power to the MCU main control module. The start / stop control module 300 controls the start or stop of the leaf blower body 10. The wind speed control module 400 controls the rotational speed of the fan body 21. The display module 500 can display various parameters of the leaf blower's operation. The MCU main control module 100 is electrically connected to the fan body 21.

[0072] The MCU main control module 100 can control the start and stop of the fan body 21. The controller has functions such as wind speed control, start / stop control, and wind speed display. Under the control of the controller, each 1% speed adjustment can be displayed intuitively as a percentage parameter through the display module 500, which enables more precise control of the wind force of the fan body 21, allowing it to adjust the required wind force more reasonably according to the needs of the external environment.

[0073] Optionally, the display module 500 can control and display the usage status of the leaf blower 100. The display module 500 is disposed on the grip 13 and is located on top of the grip 13. Optionally, the display module 500 includes at least one of a display screen and buttons. Optionally, the display module 500 is electrically connected to a controller.

[0074] Compared with the prior art, the beneficial effects of this utility model are:

[0075] This utility model provides a leaf blower 100, the main body 10 of the leaf blower forming an air duct 10a; the air duct 10a is provided with a first air inlet 10b and a first air outlet 10c; a fan assembly 20 is connected to the main body 10 of the leaf blower; the fan assembly 20 is located on one side of the main body 10 of the leaf blower, and the fan assembly 20 is provided with a second air inlet 20a and a second air outlet 20c; the second air inlet 20a is connected to the external environment, and the second air outlet 20c is connected to the first air inlet 10b of the air duct 10a; a baffle 30 is installed on the main body 10 of the leaf blower or the fan assembly 20; the baffle 30 is built into the main body 10 of the leaf blower and can block debris from the external environment from entering the fan assembly 20. By preventing debris from entering the fan assembly 20, the baffle 30 avoids the impact of debris on the fan assembly 20, ensures the normal operation of the fan assembly 20 of the leaf blower 100, and improves the use effect of the fan assembly 20.

[0076] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0077] It should also be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or may be connected to an intermediary component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component through an intermediary component.

[0078] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0079] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A leaf blower characterized by, The blowing machine comprises: a blowing machine body formed with an air duct; the air duct is provided with a first air inlet end and a first air outlet end; a fan assembly connected to the blowing machine body; the fan assembly is located on one side of the blowing machine body, and is provided with a second air inlet end and a second air outlet end; the second air inlet end is communicated with the external environment, and the second air outlet end is communicated with the first air inlet end of the air duct; a wind-blocking piece installed on the blowing machine body or the fan assembly; the wind-blocking piece is built-in the blowing machine body and can block foreign matters in the external environment from entering the fan assembly.

2. The leaf blower of claim 1, wherein, The wind-blocking piece is sleeved on the fan assembly and is positioned and connected with the blowing machine body.

3. The leaf blower of claim 2, wherein, The wind-blocking piece comprises a sleeving seat and a wind-blocking part; the sleeving seat is sleeved on the fan assembly; the wind-blocking part is annularly arranged on the sleeving seat and extends towards the inner side wall of the blowing machine body in an arc shape; one end of the wind-blocking part away from the sleeving seat is attached to the inner side wall of the blowing machine body.

4. The leaf blower of claim 3, wherein, The blowing machine body is provided with a through hole; the through hole is communicated with the external environment and exposes the fan assembly; the wind-blocking part is used to block foreign matters entering through the through hole from entering the fan assembly.

5. The leaf blower of claim 4, wherein, The wind-blocking part is provided with a positioning groove; the inner side wall of the blowing machine body is provided with a positioning strip; the positioning strip is inserted into the positioning groove, so that the wind-blocking part is positioned and connected with the blowing machine body.

6. The leaf blower of claim 1, wherein, The blowing machine further comprises a shock-absorbing piece; the shock-absorbing piece is located at the bottom of the blowing machine body and is connected to the blowing machine body.

7. The leaf blower of any one of claims 1 to 6, wherein, The blowing machine body comprises a first body and a holding piece; the holding piece is stacked with the first body along the left-right direction; the holding piece is communicated with the first body along the left-right direction and is formed with a first accommodating space; the fan assembly is installed on the first body along the left-right direction and is located in the first accommodating space.

8. The leaf blower of claim 7, wherein, The holding piece is provided with a battery mounting portion for mounting a battery; the holding piece is formed with a first communication channel; the first communication channel is communicated between the battery mounting portion and the first accommodating space; the holding piece further comprises a first conductive piece; the first conductive piece is located in the first communication channel and extends along the first communication channel; the first conductive piece is electrically connected with the battery and the fan assembly.

9. The leaf blower of claim 7, wherein, The holding piece is provided with a holding space and a holding portion; the holding portion is used for holding fingers of a user; the holding space is communicated with the external space and exposes the holding portion; the holding space is used for passing the fingers of the user; the fan assembly comprises a fan body and a fan blade; the fan blade is connected to the output end of the fan body and rotates with the output end of the fan body.

10. The leaf blower of claim 1, wherein, The blowing machine further comprises a nozzle; the nozzle is directly or indirectly connected to the blowing machine body; the nozzle is arranged in a conical shape; the nozzle is formed with a conical space; the conical space is communicated with the first air outlet end; an extension pipe is arranged between the nozzle and the blowing machine body; the extension pipe is detachably connected with the nozzle and the blowing machine body; the extension pipe rotates relative to the blowing machine body and is installed on or separated from the blowing machine body during the rotation; The tuyere rotates relative to the elongated tube and is mounted to or dismounted from the elongated tube during rotation.

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