360-degree rotating mechanism for grass trimmer and grass trimmer

Abstract

The 360-degree rotating mechanism for the grass trimmer comprises a rotating base and a shaft core which is arranged in the rotating base and can rotate clockwise and anticlockwise by 360 degrees, and a controller used for controlling the rotating base and the shaft core to rotate relatively is arranged at one end of the rotating base. When the controller and the shaft core are combined together, the rotating seat and the shaft core rotate clockwise and anticlockwise by 360 degrees relatively, and when the controller and the shaft core are separated, the position of the rotating seat and the position of the shaft core are fixed. Comprising the 360-degree rotating mechanism for the grass trimmer. Compared with the prior art, the structure is simple, production and manufacturing are convenient, user operation is very convenient, and the rotating angle is more beneficial to meeting the use requirement of a user.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery and equipment technology, and in particular to a 360-degree rotating mechanism for a grass cutter and a grass cutter. Background Technology

[0002] As is well known, lawn mowers are handheld tools used to cut weeds in lawns, gardens, pastures, and other areas. Existing lawn mowers have fixed cutting heads, which is inconvenient for users. While the lawn mower disclosed in patent announcement number CN111108897B also has a rotating structure, it only requires a 90-degree or 180-degree rotation. Sometimes, a full rotation is needed to meet operational requirements. However, no such rotating structure exists in the current technology, necessitating improvement. Utility Model Content

[0003] (a) Technical problems that need to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a 360-degree rotating mechanism for a lawn mower and a lawn mower in general. It is designed with a rotating structure that can rotate 360 ​​degrees, which is not only simple in structure and easy to manufacture, but also extremely convenient for users to operate. The rotation angle is more conducive to meeting the user's needs.

[0005] (II) Technical solutions required

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A 360-degree rotating mechanism for a lawn mower includes a rotating base and a shaft core disposed inside the rotating base, capable of rotating 360 degrees clockwise and counterclockwise. A controller is provided at one end of the rotating base for controlling the relative rotation of the rotating base and the shaft core. When the controller is engaged with the shaft core, the rotating base and the shaft core rotate 360 ​​degrees clockwise and counterclockwise relative to each other. When the controller is disengaged from the shaft core, the positions of the rotating base and the shaft core are fixed.

[0008] Preferably, the controller includes a sleeve disposed on the shaft core and capable of moving back and forth along the shaft core, the sleeve being fitted onto the shaft core, a pressing member disposed on the rotary base for cooperating with the sleeve, a reset member disposed between the sleeve and the rotary base, and a rotation space and a fixed space disposed between the rotary base and the shaft core for the sleeve to rotate, the rotation space and the fixed space being distributed along the axial direction of the rotary base.

[0009] Preferably, the pressing member includes a pressing part and a fixing post disposed on the pressing part, and a fixing groove for fixing the fixing post is provided on the sleeve.

[0010] Preferably, the reset element is a spring.

[0011] Preferably, the rotation space is the space formed by the outer wall of the shaft core and the inner wall of the rotating seat, while the fixed space is the space formed by the outer wall of the shaft core and the inner wall of the rotating seat. The rotation space is larger than the fixed space. The sleeve can rotate freely clockwise and counterclockwise when it is located in the rotation space, while it is stuck in the fixed space and cannot rotate clockwise or counterclockwise.

[0012] Preferably, the sleeve body is a regular polygon.

[0013] Preferably, the sleeve is a regular octagon.

[0014] Preferably, the outer surface of the shaft core is provided with an external protrusion, and the inner wall of the rotary seat is provided with a mounting groove for mounting the external protrusion.

[0015] In addition, this utility model also provides a lawn mower, including the 360-degree rotating mechanism for a lawn mower as described above.

[0016] (III) Technical Effects to be Achieved

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] Firstly, this utility model includes a rotating base and a shaft core that can rotate 360 ​​degrees clockwise and counterclockwise inside the rotating base. A controller for controlling the relative rotation of the rotating base and the shaft core is provided at one end of the rotating base. This structure is relatively simple, which reduces the difficulty of manufacturing and is more conducive to reducing manufacturing costs and mass production.

[0019] Secondly, when the controller of this utility model is combined with the shaft core, the rotating base and the shaft core rotate 360 ​​degrees clockwise and counterclockwise relative to each other. When the controller is separated from the shaft core, the positions of the rotating base and the shaft core are fixed. In use, simply pressing the controller can achieve 360-degree clockwise and counterclockwise rotation of the rotating base and the shaft core, and releasing the controller will stop the rotation. This helps to fix the position, making it extremely simple and convenient to use and operate. It is easy for users to operate and implement, and is more conducive to widespread promotion and application.

[0020] Thirdly, this utility model includes the 360-degree rotating mechanism for a lawn mower as described above. In use, simply press the pressing component, and the sleeve moves along the shaft into the rotating space under the drive of the pressing component. At this time, the pressing component, the shaft, and the hand handle of the lawn mower on the pressing component, together with the rotating base 1, can achieve free 360-degree clockwise and counterclockwise rotation, which is more convenient for users to adjust the angle according to their needs. When no adjustment is needed, simply release the pressing component, and under the action of the return force of the reset component, the sleeve moves from the rotating space to the fixed space. At this time, the pressing component and the sleeve cannot rotate freely, thus fixing the position after rotation. This operation is extremely simple and convenient, making it easy for users to operate and further facilitating its widespread promotion and application. It also helps to achieve a wider range of angle adjustments, which is more conducive to meeting the user's needs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a 360-degree rotating mechanism for a lawn mower according to the present invention.

[0022] Figure 2 for Figure 1 Sectional view along the AA direction.

[0023] Figure 3 for Figure 1 Schematic diagram of the middle side view.

[0024] Figure 4 This is a schematic diagram of the overall orientation of a 360-degree rotating mechanism for a lawn mower according to the present invention.

[0025] Figure 5 This is an exploded view of a 360-degree rotating mechanism for a lawn mower according to the present invention.

[0026] Figure 6 This is a schematic diagram showing the separation of the rotating base in a 360-degree rotating mechanism for a lawn mower according to this utility model.

[0027] Figure 7 This is an exploded view of the shaft, controller, and rotating base of a 360-degree rotating mechanism for a lawn mower according to this utility model.

[0028] Figure 8 This is a schematic diagram of the rotating base structure of a 360-degree rotating mechanism for a lawn mower according to the present invention.

[0029] In the figure: 1, rotating base; 2, shaft core; 3, controller; 21, external protrusion; 31, sleeve; 32, pressing part; 33, resetting part; 34, rotation space; 35, fixing space; 321, pressing part; 322, fixing post. Detailed Implementation

[0030] In the description of this utility model, it should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to or indirectly connected to the other element.

[0031] In the description of this utility model, it should be noted that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified. "Several" means one or more, unless otherwise explicitly specified.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present utility model.

[0034] Example 1: See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 A 360-degree rotating mechanism for a lawn mower includes a rotating base 1 and a shaft core 2 that can rotate 360 ​​degrees clockwise and counterclockwise inside the rotating base 1. A controller 3 is provided at one end of the rotating base 1 to control the relative rotation of the rotating base 1 and the shaft core 2. The controller 3 has an axial through hole for mounting to the axle of the lawn mower. By pressing the controller 3, the controller 3 and the shaft core 2 are engaged, facilitating the relative clockwise and counterclockwise 360-degree rotation of the rotating base 1 and the shaft core 2. When the pressing force on the controller 3 is removed, the controller 3 disengages from the shaft core 2, preventing the rotating base 1 and the shaft core 2 from rotating 360 degrees clockwise and counterclockwise, thus achieving a fixed position. The mechanism is structurally simple and easy to manufacture. More importantly, it enables 360-degree clockwise and counterclockwise rotation, better meeting user needs and providing simple and convenient operation, thus facilitating large-scale promotion and application.

[0035] Example 2: This can be explained based on Example 1, such as... Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the controller 3 includes a sleeve 31 mounted on the shaft core 2, capable of moving back and forth along the shaft core 2. The sleeve 31 is fitted onto the shaft core 2. A pressing member 32 is provided on the rotating base 1 for cooperating with the sleeve 31. A reset member 33 is provided between the sleeve 31 and the rotating base 1, which facilitates the automatic reset of the sleeve 31 and the pressing member 32. A rotation space 34 and a fixed space 35 are provided between the rotating base 1 and the shaft core 2 for the sleeve 31 to rotate. The rotation space 34 and the fixed space 35 are distributed along the axial direction of the rotating base 1. In use, the pressing member 32... The pressing element 32 will cause the sleeve 31 to slide from the fixed space 35 to the rotating space 34. At the same time, the sleeve 31 will compress the reset element 33. At this time, the pressing element 32 will cause the sleeve 31 to rotate. The sleeve 31 will then cause the shaft core 2 to rotate 360 ​​degrees clockwise and counterclockwise inside the rotating base 1. When no rotation adjustment is needed, the pressing element 32 is released. Under the action of the rebound force of the reset element 33, the sleeve 31 slides from the rotating space 34 to the fixed space 35. At this time, the pressing element 32 cannot cause the sleeve 31 and the shaft core 2 to rotate inside the rotating base 1, thus achieving the effect of fixing the position.

[0036] Among them, such as Figure 2 , Figure 5 , Figure 6 and Figure 7As shown, the pressing member 32 includes a pressing part 321 and a fixing post 322 disposed on the pressing part 321. A fixing groove for fixing the fixing post 322 is provided on the sleeve 31. This facilitates the sliding of the sleeve 31 along the axial direction of the shaft core 2 by the pressing part 321. In this embodiment, four fixing posts 322 and four fixing grooves are used, which makes the connection between the pressing member 32 and the sleeve 31 more secure and also facilitates more stable operation.

[0037] Among them, such as Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the reset component 33 uses a spring, which is widely available and easy to implement.

[0038] Among them, such as Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the rotation space 34 is the space formed by the outer wall of the shaft core 2 and the inner wall of the rotating seat 1, while the fixed space 35 is also the space formed by the outer wall of the shaft core 2 and the inner wall of the rotating seat 1. However, the rotation space 34 is larger than the fixed space 35. The sleeve 31 can rotate freely clockwise and counterclockwise in the rotation space 34, while it is stuck in the fixed space 35 and cannot rotate clockwise or counterclockwise. Specifically, the sleeve 31 is a regular polygon, and in this embodiment, the sleeve 31 is a regular octagon. The plane of the outer side of the sleeve 31 is restricted in the fixed space 35, while it can rotate freely in the rotation space 34 due to the larger space.

[0039] Example 3: This can be described based on Example 1 or Example 2, such as... Figure 2 , Figure 5 and Figure 6 As shown, the outer surface of the shaft core 2 is provided with an external protrusion 21, and the inner wall of the rotating base 1 is provided with a mounting groove for mounting the external protrusion 21. This restricts the axial movement of the shaft core 2, but allows the shaft core 2 to rotate freely inside the rotating base 1. In this embodiment, the shaft core 2 is composed of two symmetrical semi-cylindrical bodies combined together and then fixed together by locking elements (generally bolts or screws).

[0040] Example 4: Based on Example 1, Example 2, or Example 3, this utility model also provides a lawn mower, including the 360-degree rotating mechanism for the lawn mower as described above. It is also worth noting that the pressing member 32 in the 360-degree rotating mechanism has a shaft hole, and an axial limiting groove is provided on the inner wall of the shaft hole. An axial limiting protrusion is provided on the hand handle of the lawn mower. The hand handle of the lawn mower is installed in the shaft hole of the pressing member 32 in the 360-degree rotating mechanism, while the limiting protrusion is located in the axial limiting groove. This facilitates the fixed connection between the 360-degree rotating mechanism of the lawn mower and the hand handle of the lawn mower. In use, simply pressing the pressing member 32 causes the sleeve 31 to move along the shaft core 2 into the rotating space 34 under the drive of the pressing member 32. At this time, the pressing member 32, the shaft core 2, and the lawn mower on the pressing member 32 are all connected. The hand lever and the rotating base 1 can rotate freely 360 degrees clockwise and counterclockwise, which makes it easier for users to adjust the angle according to their needs. When no adjustment is needed, simply release the pressing part 32. Under the action of the spring force of the reset part 33, the sleeve 31 moves from the rotation space 34 to the fixed space 35. At this time, the pressing part 32 and the sleeve 31 cannot rotate freely, thus fixing the position after rotation. This operation is extremely simple and convenient, making it easy for users to operate and further facilitating its widespread promotion and application. It also helps to achieve a wider range of angle adjustments, which is more conducive to meeting the user's needs.

[0041] All standard parts used in this application can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts and rivets that are mature in the existing technology. The internal parts of the lawn mower all adopt conventional models in the existing technology, and their internal structure belongs to the existing technology structure. Workers can complete the normal operation of it according to the existing technical manual. In addition, the circuit connection adopts conventional connection methods in the existing technology, and will not be described in detail here.

[0042] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this utility model. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this utility model, or equivalent structural or procedural transformations made using the content of this utility model's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this utility model patent.

Claims

1. A 360 degree rotation mechanism for a string trimmer, characterized by: The application relates to a 360-degree rotating mechanism for a grass trimmer, which comprises a rotating base (1) and a shaft core (2) arranged inside the rotating base (1) and capable of rotating clockwise and anticlockwise by 360 degrees, a controller (3) is arranged on one end of the rotating base (1) and used for controlling the relative rotation of the rotating base (1) and the shaft core (2); when the controller (3) is combined with the shaft core (2), the rotating base (1) and the shaft core (2) rotate clockwise and anticlockwise by 360 degrees, and when the controller (3) is separated from the shaft core (2), the rotating base (1) and the shaft core (2) are fixed.

2. The 360 degree rotation mechanism for a string trimmer of claim 1, wherein: The controller (3) comprises a sleeve (31) arranged on the shaft core (2) and capable of moving back and forth along the shaft core (2), the sleeve (31) is sleeved on the shaft core (2), a pressing piece (32) is arranged on the rotating base (1) and used for cooperating with the sleeve (31), a reset piece (33) is arranged between the sleeve (31) and the rotating base (1), and a rotating space (34) and a fixed space (35) are arranged between the rotating base (1) and the shaft core (2) and used for the rotation of the sleeve (31), and the rotating space (34) and the fixed space (35) are distributed along the shaft of the rotating base (1).

3. A 360 degree rotation mechanism for a grass trimmer as defined in claim 2, characterized by: The pressing piece (32) comprises a pressing part (321) and a fixing column (322) arranged on the pressing part (321), and a fixing groove is arranged on the sleeve (31) and used for fixing the fixing column (322).

4. A 360 degree rotation mechanism for a grass trimmer as claimed in claim 2 or 3, characterized in that: The reset piece (33) is a spring.

5. A 360 degree rotation mechanism for a grass trimmer as claimed in claim 2 or 3, characterized in that: The rotating space (34) is a space formed by the outer wall of the shaft core (2) and the inner side wall of the rotating base (1), the fixed space (35) is a space formed by the outer wall of the shaft core (2) and the inner side wall of the rotating base (1), the rotating space (34) is larger than the fixed space (35), the sleeve (31) can freely rotate clockwise and anticlockwise in the rotating space (34), and the sleeve (31) is clamped in the fixed space (35) and cannot rotate clockwise and anticlockwise.

6. A 360 degree rotation mechanism for a grass trimmer as defined in claim 5, characterized by: The sleeve (31) is a regular polygon.

7. A 360 degree rotation mechanism for a grass trimmer as defined in claim 6, characterized by: The sleeve (31) is a regular octagon.

8. A 360 degree rotation mechanism for a grass trimmer as claimed in claim 1 or 2 or 3 or 6 or 7, characterized in that: An outer protrusion (21) is arranged on the outer side surface of the shaft core (2), and a mounting groove is arranged on the inner wall of the rotating base (1) and used for mounting the outer protrusion (21).

9. A grass trimmer characterized by comprising: The application relates to a 360-degree rotating mechanism for a grass trimmer, which comprises a rotating base (1) and a shaft core (2) arranged inside the rotating base (1) and capable of rotating clockwise and anticlockwise by 360 degrees, a controller (3) is arranged on one end of the rotating base (1) and used for controlling the relative rotation of the rotating base (1) and the shaft core (2); when the controller (3) is combined with the shaft core (2), the rotating base (1) and the shaft core (2) rotate clockwise and anticlockwise by 360 degrees, and when the controller (3) is separated from the shaft core (2), the rotating base (1) and the shaft core (2) are fixed.

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