A lawn mowing device

Abstract

The present invention provides a mowing device, including a cutting mechanism and a driving mechanism for driving the cutting mechanism to rotate at a high speed, wherein the cutting mechanism includes a high-speed turntable, two rope storage structures symmetrically fixed on the high-speed turntable for storing nylon ropes, and two rope fixing structures fixed on the high-speed turntable for fixing the nylon ropes, so that the rope storage structure can store a certain length of nylon rope, the nylon rope passes through the rope fixing structure and is led out to the outside of the high-speed turntable, and the nylon rope is fixed to the high-speed turntable through the rope fixing structure, so that the nylon rope led out of the high-speed turntable can rotate with the high-speed turntable. The rope storage structure of the present invention can store a certain length of nylon rope, and the user only needs to pull the nylon rope and fix it through the rope fixing structure to achieve the cutting area determined by the length of the nylon rope. The user can replace a new nylon rope through the rope storage structure, which increases the convenience of use.

Description

Technical Field

[0001] The invention relates to a lawn mowing device. Background Art

[0002] A lawn mower is a mechanical tool used to trim lawns, vegetation, etc. It consists of a cutter disc, an engine, a running wheel, a running structure, a blade, an armrest, and a control part. The cutter disc is mounted on the running wheel, and an engine is mounted on the cutter disc. The output shaft of the engine is equipped with a blade. The blade utilizes the high-speed rotation of the engine to increase the speed a lot, saving the working time of the weeding workers. For example, a handheld lawn mower disclosed in a Chinese patent (patent number: 2018220810594) has a technical solution that uses a driving cutting blade to operate at high speed for cutting operations. In actual use, when the blade is used, the blade is rotated at a high speed, and the speed is greatly improved. When the cutting blade is cut into hard objects, it is easy to damage the cutting blade, causing damage to the cutting blade. The chopped hard objects or broken cutting blades are easy to injure the operator, causing safety accidents. For this reason, a nylon rope lawn mower has appeared on the market. Its principle is to fix a certain length of nylon rope on a high-speed turntable, and drive the high-speed turntable to rotate at a high speed through the engine to achieve the purpose of mowing. The nylon rope of this nylon rope lawn mower is fixed on its high-speed turntable with bolts or other fixing structures. After the nylon rope is damaged, the operator needs to lock the nylon rope of the same length on the high-speed turntable again, which is troublesome to replace and difficult to operate. Summary of the invention

[0003] The main purpose of the present invention is to solve the above-mentioned problems and provide a mowing device which allows the user to freely adjust the length of the nylon rope and conveniently replace the nylon rope.

[0004] The technical solution adopted by the present invention is: a lawn mowing device, including a cutting mechanism and a driving mechanism for driving the cutting mechanism to rotate at a high speed, characterized in that: the cutting mechanism includes a high-speed turntable, two rope storage structures symmetrically fixed on the high-speed turntable for storing nylon ropes, and two rope fixing structures fixed on the high-speed turntable for fixing the nylon ropes, so that the rope storage structure can store a certain length of nylon rope, the nylon rope passes through the rope fixing structure and is led out to the outside of the high-speed turntable, and the nylon rope is fixed to the high-speed turntable through the rope fixing structure, so that the nylon rope led out of the high-speed turntable can rotate with the high-speed turntable.

[0005] The rope fixing structure comprises a rope fixing block, a fixing frame, an adjusting bolt and a rope pressing block. The rope fixing block is fixed on the high-speed turntable, the fixing frame is fixed on the top of the rope fixing block, and the rope pressing block is suspended in the fixing frame by the adjusting bolt.

[0006] The top of the rope pressing block is provided with a wire groove, and the rope pressing block is provided with a convex rib.

[0007] A plurality of convex rings are arranged at equal distances in the length direction of the convex rib.

[0008] The rope storage structure includes a rope winding wheel, a fixed seat, a locking piece and an unlocking piece. The rope winding wheel is rotatably mounted on the top of the fixed seat. The locking piece is arranged in the fixed seat and can extend into the interior of the rope winding wheel to limit the rotation of the rope winding wheel. The unlocking piece is mounted on the top of the rope winding wheel to push the locking piece out of the rope winding wheel.

[0009] The rope winding wheel is rotatably mounted on the top of the fixed seat through a rotating shaft, a pressing cavity is arranged on the top of the rope winding wheel, a first inner gear ring is arranged on the bottom of the rope winding wheel, an annular groove is arranged on the side of the rope winding wheel, and a wire hole is arranged at the bottom of the annular groove.

[0010] A second inner gear ring is arranged at the top of the fixing seat corresponding to the first inner gear ring, and the locking member comprises a gear arranged inside the second inner gear ring and a spring arranged between the gear and the top of the fixing seat.

[0011] The unlocking member is located in the pressing cavity and extends to contact the gear. The gear is disengaged from the first inner gear ring by pressing the unlocking member to move downward.

[0012] The beneficial effects of the present invention are as follows: a certain length of nylon rope can be stored through the rope storage structure of the present invention. The user only needs to pull the nylon rope and fix it through the rope fixing structure to determine the cutting area by the length of the nylon rope. The user can replace the new nylon rope through the rope storage structure by himself, which increases the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall schematic diagram of the present invention.

[0014] Figure 2 It is a three-dimensional schematic diagram of the cutting mechanism of the present invention.

[0015] Figure 3 It is a top view of the rope storage structure of the present invention.

[0016] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of AA.

[0017] Figure 5 for Figure 3 Schematic diagram of the cross-sectional structure of BB. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0020] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "leaf flat", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] See also Figures 1 to 5 The first preferred embodiment of the present invention is a mowing device, which includes a cutting mechanism 10 and a driving mechanism 20 for driving the cutting mechanism 10 to rotate at high speed, wherein the driving mechanism 20 includes an engine 21, a spline shaft 22, a bevel gear structure 23, a hand-held rod 24, a control part, etc. The driving mechanism 20 is a conventional technology. Without explaining its principle and structure, those skilled in the art can know how to use the driving mechanism 20 to drive the mechanism 10 to rotate at high speed. The cutting mechanism 10 includes a high-speed turntable 11, two symmetrical A rope storage structure 12 fixed on the high-speed turntable 11 for storing nylon ropes and two rope fixing structures 13 fixed on the high-speed turntable 11 for fixing nylon ropes enable the rope storage structure 12 to store a certain length of nylon ropes. The nylon ropes pass through the rope fixing structures 13 and are led out to the outside of the high-speed turntable 11. The nylon ropes are fixed to the high-speed turntable 11 through the rope fixing structures 13, so that the nylon ropes led out of the high-speed turntable 11 can rotate with the high-speed turntable 11, thereby achieving the effect of cutting weeds by the high-speed rotating nylon ropes.

[0023] The rope fixing structure 13 includes a rope fixing block 131, a fixing frame 132, an adjusting bolt 133 and a rope pressing block 134. The rope fixing block 131 is fixed on the high-speed turntable 11, the fixing frame 132 is fixed on the top of the rope fixing block 131, and the rope pressing block 134 is suspended in the fixing frame 132 by the adjusting bolt 133. The rope pressing block 134 is pressed toward the rope fixing block 131 by rotating the adjusting bolt 133, so as to fix the nylon rope on the rope fixing block 131.

[0024] In order to achieve the effect of more firmly fixing the nylon rope, a wire groove 131A is provided on the top of the rope pressing block 131, and a convex rib 134A is provided on the rope pressing block 134. The convex rib 134A extends into the wire groove 131A to increase the contact area with the nylon rope and increase the stabilization effect. In addition, a plurality of convex rings can be provided at equal distances in the length direction of the convex rib 134A to increase the friction between the convex rib and the nylon rope.

[0025] The rope storage structure 12 includes a rope wheel 121, a fixed seat 122, a locking piece 123 and an unlocking piece 124. The rope wheel 121 can be rotatably installed on the top of the fixed seat 122. The locking piece 123 is arranged in the fixed seat 122 and can extend into the interior of the rope wheel 121 to limit the rotation of the rope wheel 121. The unlocking piece 124 is installed on the top of the rope wheel 121 to push the locking piece 123 out of the rope wheel 121.

[0026] Furthermore, the rope winding wheel 121 is rotatably mounted on the top of the fixed seat 122 through a rotating shaft 125, a pressing cavity 121A is provided on the top of the rope winding wheel 121, a first inner gear ring 121B is provided on the bottom of the rope winding wheel 121, an annular groove 121C is provided on the side of the rope winding wheel 121, a wire hole 121D is provided on the bottom of the annular groove 121C, one end of the nylon rope is inserted into the wire hole 121D and then wound around the annular groove 121C, and the other end of the nylon rope passes through the rope fixing structure 13 and is led out of the high-speed turntable 11. The operator can determine the length of the led-out nylon rope by fixing the nylon rope by the rope fixing structure 13.

[0027] A second inner gear ring 122A is provided at the top of the fixed seat 122 corresponding to the first inner gear ring 121B, and the locking member 123 includes a gear 123A provided inside the second inner gear ring 122A and a spring 123B provided between the gear 123A and the top of the fixed seat 122. When locked, the gear 123A extends into the first inner gear ring 121B, that is, the gear 123A is engaged with the first inner gear ring 121B and the second inner gear ring 122A at the same time to limit the rotation of the rope winding wheel 121. After the gear 123A is disengaged from the first inner gear ring 121B, the rope winding wheel 121 can rotate relative to the fixed seat 122 through the rotating shaft 125.

[0028] The unlocking member 124 is located in the pressing cavity 121A and extends to contact the gear 123A. By pressing the unlocking member 124 to move downward to disengage the gear 123A from the first inner gear ring, the rope winding wheel 121 can be rotated. In a specific implementation, the nylon rope can be pulled to initially rotate the winding wheel, thereby releasing the nylon rope. The length of the pulled nylon rope can be determined, and then the nylon rope can be fixed by the rope fixing structure.

[0029] What the present invention aims to achieve is that a certain length of nylon rope can be stored through the rope storage structure of the present invention. The user only needs to pull the nylon rope and fix it through the rope fixing structure to determine the cutting area by the length of the nylon rope. The user can replace the new nylon rope through the rope storage structure by himself, which increases the convenience of use.

[0030] The embodiment and drawings of the present invention are only for illustrating the design concept of the present invention, and the protection scope of the present invention should not be limited to this embodiment.

[0031] It can be seen from the above description that the design purpose of the present invention can be effectively implemented. The embodiment part shows the purpose of the present invention and the implementation function and structural theme, and includes other equivalent replacements.

[0032] Therefore, the rights of the present invention include other equivalent implementations, and the specific scope of rights refers to the claims.

Claims

1. A mowing device, comprising a cutting mechanism and a driving mechanism for driving the cutting mechanism to rotate at high speed, characterized in that: The cutting mechanism includes a high-speed turntable, two rope storage structures symmetrically fixed on the high-speed turntable for storing nylon ropes, and two rope fixing structures fixed on the high-speed turntable for fixing nylon ropes, so that the rope storage structures can store a certain length of nylon ropes, the nylon ropes pass through the rope fixing structures and are led out to the outside of the high-speed turntable, and the nylon ropes are fixed to the high-speed turntable through the rope fixing structures, so that the nylon ropes led out of the high-speed turntable can rotate with the high-speed turntable; The rope storage structure comprises a rope wheel, a fixing seat, a locking member and an unlocking member, wherein the rope wheel is rotatably mounted on the top of the fixing seat, the locking member is arranged in the fixing seat and can extend into the inside of the rope wheel to limit the rotation of the rope wheel, and the unlocking member is mounted on the top of the rope wheel to push the locking member away from the rope wheel; The rope winding wheel is rotatably mounted on the top of the fixing seat through a rotating shaft, a pressing cavity is arranged on the top of the rope winding wheel, a first inner gear ring is arranged on the bottom of the rope winding wheel, an annular groove is arranged on the side of the rope winding wheel, and a wire hole is arranged on the bottom of the annular groove; A second inner gear ring is disposed on the top of the fixing seat corresponding to the first inner gear ring, and the locking member comprises a gear disposed inside the second inner gear ring and a spring disposed between the gear and the top of the fixing seat; The unlocking member is located in the pressing cavity and extends to contact the gear. The gear is disengaged from the first inner gear ring by pressing the unlocking member to move downward.

2. A mowing device as claimed in claim 1, characterized in that: The rope fixing structure comprises a rope fixing block, a fixing frame, an adjusting bolt and a rope pressing block. The rope fixing block is fixed on the high-speed turntable, the fixing frame is fixed on the top of the rope fixing block, and the rope pressing block is suspended in the fixing frame by the adjusting bolt.

3. A mowing device as claimed in claim 2, characterized in that: The top of the rope pressing block is provided with a wire groove, and the rope pressing block is provided with a convex rib.

4. A mowing device as claimed in claim 3, characterized in that: A plurality of convex rings are arranged at equal distances in the length direction of the convex rib.

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