TWI221400B - Anti-entanglement structure for lawn mower - Google Patents

Abstract

An anti-entanglement structure for a lawn mower mainly comprises a stopping plate installed between a tool set of the lawn mower and the lawn mowing device, in which one side of the stopping plate is installed with a protrusion containing a stopping plate with a through hole thereon. Thus, the grass after being trimmed can be prevented from being entrained in the transmission mechanism of the lawn mower, thereby ensuring a smooth transmission and a safe operation.

Description

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The anti-grassing structure of the lawnmower, in particular, is provided with a baffle in between, which can wind up the shoveled grass in the middle and ensure the transmission. [Technical field to which the invention belongs] The present invention relates to a shovel and a borrower. Because the cutter set and shovel are installed to block weeds, weeds are prevented from being involved in the play smoothly, and it is safer and more convenient to use. [Prior art]

^, The inventor has previously applied for and approved the patented lawnmower, please refer to the first and the first figure (not only the case No. 4561 70), which is mainly provided with a handle 1 on the lawnmower 1. 〇, for controlling the traveling direction of the lawnmower, one side of the lawnmower 1 is provided with a pulley U to be arranged on the lawnmower 丨 the transmission device 12 covered by the cover in front of the lawnmower 1 and in front of the transmission device 12 of the lawnmower 1 The grass cutting device 13 is provided (as shown in the first figure), the grass cutting device η is provided with a bracket m, and a transmission shaft 131 is arranged in the bracket 130. The transmission shaft 131 is connected with the transmission device 12 for transmission, and the two ends of the bracket 130 Each is provided with a casing cover 32. A transmission sprocket 133 is connected to the transmission shaft 131 in the casing 132. A driven sprocket 134 'is provided below the casing 132, and the transmission sprocket 133 and the driven sprocket 133 are connected by a chain 135. The moving sprocket wheel 1 3 4 is connected to drive each other. A cutter set 1 4 is provided below the second housing cover 1 3 2. The cutter set 14 is penetrated by the rotating shaft 1 40 to the opposite driven sprocket wheel 1 34 to move the cutter. Group 14 is set below the two opposite shell covers 132. The rotating shaft 140 is a polygonal rod body. The tool set 14 is composed of several bases 141 and several blades 1. It is composed of 42 and other components, and a polygonal perforation 143 is provided on the wall surface of the base 141 to cooperate with the rotating shaft 1 40. Each group of blades 1 42 is arranged on each base 141 in a staggered manner. A positioning piece 136 is provided on each side, a cutter cutting board 137 is fixed between the two positioning pieces 136, and a cover is provided on the outer cover of the two shells 132.

1221400 V. Description of the invention (2) Plate 1-38, a front wheel 15, a positioning bracket 15 above, positioning bracket! It is connected to the bracket 13 of the grass-cutting device 13 through two connecting rods 151. A telescopic rod 152 is arranged below the positioning frame 150 to connect to the front wheel 15. A positioning element 丨 a locking element 丨 53 is provided on the side wall for the telescopic rod 152 is locked and positioned. At a, a lever 154 is provided above the bracket 150, which can be used to adjust the front wheel 15 by adjusting the outside of the telescopic lever 152. The retractable rod 152 expands and retracts so that the blade set 14 can make the blade set 14 of the grass-producing device 13 adjust the growth depth of the grass roots for grass removal. The operation is very effective in removing weed roots and plowing the soil at the same time. Good tillage; the missing blade 1 has a cutter set 14 and a driven sprocket 134 shaft Η for a period of time • the weeds are easily entangled in the knife turn = \ The weeds are cut off with a cutter to ensure smooth transmission m = = to make the previous invention more perfect 'is the research, Wen Liang, to invent the invention first. [Summary of the invention] The main purpose of the present invention is to provide a kind of grass can be blocked to prevent entanglement Grass affects the anti-grassing structure of its driven lawn mower. " The main feature of the present invention is that: a block is provided between the cutter set and the grass-making device. [Embodiment] The present invention achieves the above-mentioned use purpose and effect.

Here are the preferred and feasible embodiments, with the diagram of J = page 6 V. Description of the invention (3) First, please refer to the third, fourth and fifth figures, the present invention is mainly on the grass machine 2 A handle 20 is provided for controlling the traveling direction of the lawnmower 2. A pulley 21 is arranged on one side of the shovel 2 to drive a driving device 22 which is arranged in front of the lawnmower 2 and is covered by a shell. The driving device of the lawnmower 2 is A grass cutting device 3 is provided in front of 22 (as shown in the fourth figure). The grass cutting device 3 is provided with a bracket 30, and a transmission shaft 31 is arranged in the bracket μ. The transmission shaft 31 is connected to the transmission device 22 for transmission. The support 30 Each end is provided with a housing cover 32. A transmission sprocket μ is provided in the housing cover 32 and is connected to the transmission shaft 31. A driven sprocket is provided below the housing cover 32, and the driven sprocket 34 is provided on the opposite inner side. The convex seat 340 and the convex seat 34 are provided with a shaft hole 341, and the transmission sprocket 33 and the driven sprocket 34 are connected and driven by a chain 35. The outer cover of the second shell cover 32 is provided with a cover plate 36, and the second shell A cutter group 4 is arranged below the cover 32, and the cutter group 4 is penetrated and extended by the opposite driven sprocket 34 through the rotating shaft 40, and the cutter group 4 is disposed below the two opposite casing covers 32 The tool set 4 is composed of several bases 41 and several blades 42. A shaft hole 43 is provided on the wall surface of the base 41 to cooperate with the rotating shaft 40, and the blades 42 of each group are arranged in a staggered manner. On each seat body 41, a cutter anvil plate 44 is provided behind the cutter group 4; two baffle plates 5 are respectively disposed between the two ends of the cutter group 4 and the driven sprocket 34, and one surface of the baffle plate 5 is provided with a convex body 50, the perforated body 51 is provided with a perforated 51 through the baffle plate 50. When in use, please refer to the third, fourth, and fifth figures. When the #tool set 4 is used for rotary weeding, some of the weeds that are removed will follow. With the rotation of the cutter set 4, it is wound around the two ends of the cutter set 4. The weeds will be blocked by the blocking disc 5 provided at the two ends of the cutter set 4, so that weeds will not be involved in the transmission structure that interferes with the shovel. The weed segment is blocked between the disc 5 and the cutter set 4, and the driven sprocket

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V. Description of the invention (4) The transmission of 34 and chain 35 will not be affected by the work of mowing and shovel, and no transmission will occur, making the shovel smoother. 22 Directly link the grass-cutting device 3 to the two sides, and set a disc 5 opposite to the two cutter set 4, which can be wound around the grass-cutting device 3, which affects the effectiveness of Chang. To sum up, in the ideal category of the present invention, which is more 'reliable' than the conventional one, when the application for invention benefits has been met, the application will be reviewed as soon as possible. Weeds are entangled and cannot be moved. It is safer and more convenient to use. Β, & move the lawn mower installed in the middle. Refer to the sixth figure in March, and set two sets of two cutters by transmission. The opposite end of the shovel gear is blocked by the weeds at the junction with the shovel device 3 to prevent weeds from being entangled with the transmission of its drive structure, and the shovel is smooth and has achieved the intended purpose and function, practicality, and I did not see the application requirements of the same patent before the application, and I submitted the patent according to law and granted the patent.

Page 8 1221400 Brief description of the drawings [Simplified description of the drawings] The first three figures are not the conventional three-dimensional views. The second figure shows an exploded perspective view of a conventional structure, and the third figure shows a perspective view of the present invention. The fourth figure is an exploded perspective view of the present invention. The fifth figure shows a partial sectional view of the present invention. The sixth figure is a perspective view of another embodiment of the present invention. [Illustration of drawing number] 1 Lawn mower 10 Handle 11 Pulley 12 Transmission 13 Mowing device 1 30 Bracket 131 Transmission shaft 132 Housing 133 Transmission sprocket 134 Driven sprocket 135 Chain 136 Positioning piece 137 Tool cutting board 138 Cover 14 Tool set 140 Rotary shaft 141 Seat 142 Blade 143 Perforation 15 Front wheel 150 Positioning bracket 151 Connecting rod 152 2 Telescopic mower 1 53 Locking element 154 Trigger lever 20 3 Handle mowing device 21 Pulley 22 Transmission device 30 Bracket 31 Drive shaft 32 Housing cover 33 Drive sprocket 34 Driven sprocket 340 Boss 341 4 Shaft hole cutter set 35 Chain 36 Cover

Page 9 1221400 Brief description of drawings 40 Rotary shaft 41 Seat body 4 3 Shaft hole 44 Tool cutting board 5 Back plate 50 Convex body 51 Perforation 42 Blade IBIBi Page

Claims (1)

I221400 ~ ^ / 、 Patent application scope 1 · An anti-grassing structure of a lawnmower is mainly provided with a grass-removing device in front of the lawnmower, and the grass-removing device is provided with a drive shaft, a drive shaft and a lawnmower The transmission device is connected to the transmission, and the transmission shaft is provided with a transmission sprocket. The transmission sprocket drives the driven sprocket below the chain, and the driven sprocket below is connected to the cutter set by the rotating shaft. Its characteristics are as follows: There is a baffle between the cutting tool set and the shovel grass. In this way, the weeds that are picked up can be blocked to prevent the transmission from being smooth. The use is more 2 · For example, the first of the scope of the patent application, the baffle is provided on the side of the baffle. Convex weeds are wound into the weeding device and wound up for safety and convenience. The anti-grassing structure of the lawnmower according to the item of the item is provided with a perforated through disc. ^ Page