阅读说明：本技术 一种能自动清除石子防杂草缠绕的园林用剪草机 (Can prevent winding lawn mower in gardens of weeds by automatic clear away stone ) 是由 肖永贵 吴光金 王庆宝 龚小红 于 2020-07-14 设计创作，主要内容包括：本发明涉及园林修剪设备技术领域,且公开了一种能自动清除石子防杂草缠绕的园林用剪草机,包括外壳,所述外壳的底部插接有驱动轴,所述驱动轴的底部固定连接有切割刀,所述驱动轴的外侧固定连接有传动轮,所述外壳的底部开设有传动腔,所述传动腔的内部滑动连接有滑轮,所述滑轮的背面啮合有转轴,所述滑轮的左侧活动连接有摆杆,所述摆杆的左侧活动连接有摆轮,所述摆轮的右侧固定连接有推力弹簧。该能自动清除石子防杂草缠绕的园林用剪草机,通过石子压动推板向右移动,推板带动连杆摆动,连杆带动顶杆向下滑动,此时顶杆不再限制摆轮摆动,再通过摆轮与推力弹簧的配合使用,从而达到了能自动清除石子的效果。(The invention relates to the technical field of garden pruning equipment, and discloses a garden lawnmower capable of automatically removing stones and preventing weeds from winding, which comprises a housing, wherein a driving shaft is inserted into the bottom of the housing, a cutting knife is fixedly connected to the bottom of the driving shaft, a driving wheel is fixedly connected to the outer side of the driving shaft, a transmission cavity is formed in the bottom of the housing, a pulley is slidably connected inside the transmission cavity, a rotating shaft is meshed with the back surface of the pulley, a swing rod is movably connected to the left side of the pulley, a balance wheel is movably connected to the left side of the swing rod, and a thrust spring is fixedly connected to the right side of the balance wheel. This can automatic clear away careless lawn mower of twining in gardens of stone weed prevention moves the push pedal right through the stone pressure, and the push pedal drives the connecting rod swing, and the connecting rod drives the ejector pin and slides downwards, and the ejector pin no longer restricts the balance swing this moment, and rethread pendulum wheel and thrust spring's cooperation is used to reach the effect that can automatic clear away the stone.)

1. The utility model provides a can automatic clear away the winding lawn mower is used in gardens of weeds is prevented to stone, includes shell (1), its characterized in that: the bottom of the shell (1) is spliced with a driving shaft (2), the bottom of the driving shaft (2) is fixedly connected with a cutting knife (3), the outer side of the driving shaft (2) is fixedly connected with a driving wheel (4), the inner side of the driving shaft (2) is fixedly connected with an inner wheel (5), the outer side of the inner wheel (5) is meshed with a gear (6), the top of the gear (6) is fixedly connected with an extrusion wheel (7), the outer side of the driving shaft (2) is slidably connected with a sliding knife (8), the outer side of the sliding knife (8) is fixedly connected with a reset spring (9), the bottom of the shell (1) is provided with a transmission cavity (10), the inner side of the transmission cavity (10) is slidably connected with a pulley (11), the back of the pulley (11) is meshed with a rotating shaft (12), and the left side of the pulley (11) is, the left side of the swing rod (13) is movably connected with a balance wheel (14), the inside of the balance wheel (14) is fixedly connected with a fixed wheel (15), the bottom of the fixed wheel (15) is movably connected with a pawl (16), the left side of the balance wheel (14) is movably connected with a push plate (19), the right side of the push plate (19) is fixedly connected with a buffer spring (20), the top of the push plate (19) is movably connected with a connecting rod (18), the top of the connecting rod (18) is movably connected with an ejector rod (17), and the right side of the balance wheel (14) is fixedly connected with a thrust spring (21).

2. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the inner wall of the driving shaft (2) is provided with gear teeth.

3. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the side of the sliding knife (8) close to the inner wheel (5) is designed to be inclined.

4. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the sliding blades (8) are uniformly distributed on the outer side of the driving shaft (2).

5. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the transmission cavity (10) is internally provided with a sliding groove.

6. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the bottom of the inner wheel (15) is fixedly connected with a stop block and is positioned at the right side of the pawl (16).

7. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the ejector rod (17) is connected to the inside of the balance wheel (14) in a sliding mode.

8. The garden lawnmower capable of automatically removing stones and preventing weeds from winding according to claim 1, wherein: the connecting rod (18) is movably connected to the inner part of the balance wheel (14).

Technical Field

The invention relates to the technical field of garden trimming equipment, in particular to a garden mower capable of automatically removing stones and preventing weeds from winding.

Background

The garden is an artistic natural environment and a recreation field created by modifying the terrain (or further building mountains, stacking stones and managing water), planting trees, flowers and plants, building buildings, arranging garden paths and the like in a certain region by applying engineering technology and artistic means, the lawn needs to be regularly pruned in the garden greening process, and the lawn pruning is also manually and slowly developed into mechanical pruning.

The weeds are wound very easily on the driving shaft of the existing grass mower in the use process, the use of the grass mower cannot be influenced for a long time without cleaning, the wound weeds need to be cleaned manually, the grass mower is troublesome, stones can be encountered in the grass mowing process, blades are damaged very easily, and the grass mowing quality is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the garden grass mower capable of automatically clearing stones and preventing weed winding, which has the advantages of automatic clearing of the stones, prevention of weed winding, convenience in use, high grass cutting quality and the like, and solves the problems that weeds are very easy to wind on a driving shaft, long-time unclean can influence the use of the mower, the wound weeds need manual cleaning and are troublesome, and the stones are very easy to damage blades and influence the grass cutting quality.

(II) technical scheme

In order to achieve the purposes of automatically clearing stones, preventing weeds from winding, being convenient to use and having high grass cutting quality, the invention provides the following technical scheme: a garden mower capable of automatically clearing stones and preventing weed winding comprises a shell, wherein a driving shaft is inserted into the bottom of the shell, a cutting knife is fixedly connected to the bottom of the driving shaft, a driving wheel is fixedly connected to the outer side of the driving shaft, an inner wheel is fixedly connected to the inside of the driving shaft, a gear is meshed with the outer side of the inner wheel, an extrusion wheel is fixedly connected to the top of the gear, a sliding knife is slidably connected to the outer side of the driving shaft, a reset spring is fixedly connected to the outer side of the sliding knife, a transmission cavity is formed in the bottom of the shell, a pulley is slidably connected to the inside of the transmission cavity, a rotating shaft is meshed with the back of the pulley, a swing rod is movably connected to the left side of the pulley, a balance wheel is movably connected to the left side of the swing rod, a fixed wheel is fixedly connected to the inside of the, the left side of the balance wheel is movably connected with a push plate, the right side of the push plate is fixedly connected with a buffer spring, the top of the push plate is movably connected with a connecting rod, the top of the connecting rod is movably connected with an ejector rod, and the right side of the balance wheel is fixedly connected with a thrust spring.

Preferably, the inner wall of the driving shaft is provided with gear teeth for driving the gear to rotate.

Preferably, one side of the sliding knife close to the inner wheel is designed to be inclined, so that the extrusion wheel can push the sliding knife to slide conveniently.

Preferably, the sliding knives are evenly distributed on the outer side of the drive shaft.

Preferably, the transmission cavity is internally provided with a sliding groove which is matched with the pulley for use.

Preferably, a stopper is fixedly connected to the bottom of the inner wheel and is positioned on the right side of the pawl to limit the rightward swing of the pawl, so that the balance can be limited to swing leftward by the ejector rod.

Preferably, the ejector pin is slidably connected to the inside of the balance wheel, so that the ejector pin can limit the swing of the balance wheel.

Preferably, the connecting rod is movably connected inside the balance wheel, so that the connecting rod can change the transmission direction.

(III) advantageous effects

Compared with the prior art, the invention provides the garden lawnmower capable of automatically removing stones and preventing weeds from winding, and the garden lawnmower has the following beneficial effects:

1. this can automatic clear away careless lawn mower of twining in gardens of stone weed prevention moves the push pedal right through the stone pressure, and the push pedal drives the connecting rod swing, and the connecting rod drives the ejector pin and slides downwards, and the ejector pin no longer restricts the balance swing this moment, and rethread pendulum wheel and thrust spring's cooperation is used to reach the effect that can automatic clear away the stone.

2. This ability automatic clear away stone prevents that weeds winding lawnmower is used in gardens drives the drive shaft through the motor and rotates, and the drive shaft drives gear revolve, and the effect of gear in to rotating round the drive shaft, gear drive extrusion wheel rotate round the drive shaft, and the extrusion wheel is pressed and is moved the slip sword and slide, and the rethread slides the sword and uses with reset spring's cooperation to reached and prevented the winding effect of weeds.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic bottom view of the drive shaft of the present invention;

FIG. 3 is a schematic top cross-sectional view of a drive shaft constructed in accordance with the present invention;

FIG. 4 is a schematic view of a portion of a pulley according to the present invention;

fig. 5 is a partial schematic view of a structural balance of the present invention;

FIG. 6 is a schematic view of the top bar portion of the present invention.

In the figure: 1-shell, 2-driving shaft, 3-cutting knife, 4-driving wheel, 5-inner wheel, 6-gear, 7-extrusion wheel, 8-sliding knife, 9-reset spring, 10-driving cavity, 11-pulley, 12-rotating shaft, 13-oscillating bar, 14-balance wheel, 15-fixed wheel, 16-pawl, 17-ejector rod, 18-connecting rod, 19-push plate, 20-buffer spring and 21-thrust spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a garden lawnmower capable of automatically removing stones and preventing weeds from winding comprises a housing 1, a driving shaft 2 is inserted into the bottom of the housing 1, gear teeth are formed on the inner wall of the driving shaft 2 and used for driving a gear 6 to rotate, a cutting knife 3 is fixedly connected to the bottom of the driving shaft 2, a transmission wheel 4 is fixedly connected to the outer side of the driving shaft 2, an inner wheel 5 is fixedly connected to the inside of the driving shaft 2, the outer side of the inner wheel 5 is engaged with the gear 6, an extrusion wheel 7 is fixedly connected to the top of the gear 6, a sliding knife 8 is slidably connected to the outer side of the driving shaft 2, the sliding knife 8 is made of steel No. 45, sufficient hardness is ensured, one side of the sliding knife 8 close to the inner wheel 5 is obliquely designed, the extrusion wheel 7 can conveniently push the sliding knife 8 to slide, the sliding knife 8 is uniformly distributed on the outer side of the driving shaft 2, the bottom of the shell 1 is provided with a transmission cavity 10, the transmission cavity 10 is internally provided with a sliding groove which is matched with the pulley 11 for use, the transmission cavity 10 is internally connected with the pulley 11 in a sliding way, the pulley 11 is made of HT200, the back of the pulley 11 is engaged with a rotating shaft 12, the rotating shaft 12 is made of 40Cr, the left side of the pulley 11 is movably connected with a swing rod 13, the left side of the swing rod 13 is movably connected with a balance 14, the back of the balance 14 is fixedly connected with a driving wheel which is matched with the rotating shaft 12 for use, the balance 14 is internally fixedly connected with a fixed wheel 15, the bottom of the inner wheel 15 is fixedly connected with a stop dog which is positioned at the right side of the pawl 16 and used for limiting the pawl 16 to swing rightwards, so that the balance 14 can be limited to swing leftwards by a mandril 17, the bottom of the fixed wheel 15 is movably connected, the top of the push plate 19 is movably connected with a connecting rod 18, the connecting rod 18 is movably connected inside the balance 14, so that the transmission direction of the connecting rod 18 can be changed, the top of the connecting rod 18 is movably connected with an ejector rod 17, the ejector rod 17 is connected inside the balance 14 in a sliding mode, so that the ejector rod 17 can limit the swing of the balance 14, the right side of the balance 14 is fixedly connected with a thrust spring 21, the thrust spring 21 is made of 65Mn, and the thrust spring 21 is guaranteed to have sufficient thrust and can push away stones.

The working principle is that when grass is required to be cut, a motor is started, the motor drives a driving shaft 2 to rotate, the driving shaft 2 rotates to drive a cutting knife 3 to rotate, the cutting knife 3 rotates to cut the lawn to a proper height, meanwhile, the driving shaft 2 rotates to drive a gear 6 to rotate through gear teeth on the inner wall, the gear 6 rotates around the inner wall of the driving shaft 2 while rotating under the action of an inner wheel 5, the gear 6 rotates to drive an extrusion wheel 7 to rotate around the inner wall of the driving shaft 2, when the extrusion wheel 7 rotates to the position of a sliding knife 8, the extrusion wheel 7 presses the sliding knife 8 to slide towards the direction far away from the inner wheel 5, the sliding knife 8 slides towards the direction far away from the inner wheel 5, so that weeds cannot be wound on the outer side of the driving shaft 2, the effect of preventing the weeds from being wound is achieved, when the stones are encountered in the grass cutting process, the stones push plate 19 push the plate 19 to slide rightwards to drive the bottom, the top of the connecting rod 18 swings leftwards to drive the mandril 17 to slide downwards, the mandril 17 slides downwards to enable the balance wheel 14 to swing leftwards, at the moment, the thrust spring 21 pushes the balance wheel 14 to swing leftwards, the balance wheel 14 swings leftwards to push stones away, so that the effect of automatically cleaning stones is achieved, the stones are prevented from damaging the cutting knife 3, the grass cutting quality is influenced, when the balance wheel 14 swings to the leftmost side, the balance wheel 14 drives the swing rod 13 to move rightwards, the swing rod 13 moves rightwards to drive the pulley 11 to slide rightwards, the pulley 11 slides rightwards to be meshed with the transmission wheel 4, at the moment, the transmission wheel 4 drives the pulley 11 to rotate, the pulley 11 rotates to drive the rotating shaft 12, the rotating shaft 12 rotates to drive the balance wheel 14 to swing rightwards through the driving wheel on the back of the balance wheel 14, when the balance wheel 14 swings rightwards, the pawl 16 acts on the mandril 17 to limit the balance wheel, the pulley 11 returns to the home position and the pulley 11 does not engage with the drive wheel 4.

In summary, according to the garden lawnmower capable of automatically removing stones and preventing weeds from winding, the push plate 19 is pressed by the stones to move rightwards, the push plate 19 drives the connecting rod 18 to swing, the connecting rod 18 drives the ejector rod 17 to slide downwards, the ejector rod 17 does not limit the swing of the balance wheel 14 at the moment, and the balance wheel 14 is matched with the thrust spring 21 for use, so that the effect of automatically removing stones is achieved. This ability self-cleaning stone prevents that weeds winding lawnmower is used in gardens, drive shaft 2 through the motor and rotate, drive shaft 2 drives gear 6 and rotates, gear 6 is in the effect of interior wheel 5 to rotating round drive shaft 2, gear 6 drives extrusion wheel 7 and rotates round drive shaft 2, extrusion wheel 7 presses the slip to move sword 8 and slides, the rethread slides and moves sword 8 and reset spring 9's cooperation and use, thereby reached and prevented the winding effect of weeds, application scope is more extensive.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.