CN210406221U - Garden tool and lawn mower with position control mechanism - Google Patents

Abstract

The utility model discloses a garden instrument and lawn mower with position control mechanism, which comprises a housin, motor element, cutter, stopper and spacing spring, motor element drives the cutter activity, is provided with a plurality of fender position recesses on the motor element, and spacing spring is located between casing and the stopper, and spacing spring extrudees the stopper on motor element, and motor element activity drives the stopper and passes in and out a fender position recess, keeps off the relative spacing spring slope setting of the at least partial inner wall of position recess and forms spacing wall, and the stopper is located and keeps off the position recess when laminating with spacing wall. The stopper is established in the casing along a sharp activity under spacing spring's effect, and the extrusion is on motor element constantly simultaneously, and motor element activity makes the stopper pass in and out in the different fender position recess, and the different fender position that keeps off the position recess and correspond the different fender position of cutter, and the stopper realizes the locking of motor element position when keeping off the position recess to realize the locking that the cutter kept off the position.

Description

Garden tool and lawn mower with position control mechanism

[ technical field ] A method for producing a semiconductor device

The utility model relates to a garden instrument and lawn mower with position control mechanism belongs to the garden instrument field.

[ background of the invention ]

Garden tools widely use cutters in actual garden operations to perform operations such as mowing. The cutter is generally driven by a motor and the like, represented by a mower, and has different gears to correspond to different positions so as to adjust the trimming height. Some gear shifting mechanisms on the existing garden tool are quite unstable, the gear blocking or the poor locking effect can be caused frequently, and the quality and the safety of garden operation are greatly influenced.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a garden instrument and lawn mower with position control mechanism, keep off the position and adjust more reliable and more stable.

Solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a garden instrument with position control mechanism, which comprises a housin, motor element, the cutter, stopper and spacing spring, motor element drives the cutter activity, the last a plurality of fender position recesses that are provided with of motor element, spacing spring is located between casing and the stopper, spacing spring extrudees the stopper on motor element, motor element activity drives the stopper business turn over and keeps off a position recess, keep off the relative spacing spring slope setting of the at least partial inner wall of position recess and form spacing wall, the stopper is located keeps off the position recess when laminating with spacing wall.

The utility model has the advantages that:

the stopper is established in the casing along a sharp activity under spacing spring's effect, and the extrusion is on motor element constantly simultaneously, and motor element activity makes the stopper pass in and out in the different fender position recess, and the different fender position that keeps off the position recess and correspond the different fender position of cutter, and the stopper realizes the locking of motor element position when keeping off the position recess to realize the locking that the cutter kept off the position. When motor element removed in the flexible plane of spacing spring, if the stopper is not keeping off the position recess, then no matter how motor element removes, the stopper can not get into and keep off the position recess, if the stopper is keeping off the position recess, then no matter how motor element removes, the stopper all can be under the condition with spacing wall laminating, the elasticity through spacing spring is towards the bottom extrusion that keeps off the position recess, ensures that the stopper can stably lock and keep off the position. When the motor assembly moves on a telescopic plane perpendicular to the limiting spring, the limiting block can enter and exit different gear grooves under the guiding action of the limiting wall, and therefore replacement of gears is achieved. Meanwhile, the limiting block is in surface contact with the gear groove through the limiting wall, so that the locking force between the limiting block and the gear groove is increased, the limiting block is not easy to disengage from the gear groove under the action of non-manpower, and the corresponding safety is also improved.

Motor element sets up along sharp activity in the direction of relative spacing spring slope, and all keep off the position recess and set gradually along motor element's moving direction.

Be provided with the bottom plate in the casing, be provided with reset spring between motor element and the bottom plate.

Be provided with on motor element's the outer wall and carry out spacing limit baffle to the stopper.

Limiting baffle's quantity is two at least, and two at least limiting baffle be dull and stereotyped, and two dull and stereotyped mutual inclinations set up, keep off the position recess between two flat boards.

The cover has the uide bushing that leads motor element direction of motion on the motor element, has seted up the locking window on the uide bushing, and the stopper passes the locking window top on motor element.

Install the guide holder in the casing, the stopper slides and sets up in the guide holder, and the tip of guide holder compresses tightly on the guide holder.

Motor element includes the motor cabinet and installs the motor on the motor cabinet, installs the adjusting button on the motor cabinet, and motor cabinet movable mounting is on the casing.

A lawn mower includes a garden tool having a position adjustment mechanism.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic view of an explosion structure of a garden tool according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of a limiting block of the garden tool according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a front view structure of the garden tool in the first gear according to embodiment 1 of the present invention;

fig. 4 is a schematic view of a main view structure of the garden tool in the second gear according to embodiment 1 of the present invention;

fig. 5 is a schematic view of a front view structure of a garden tool in a third gear according to embodiment 1 of the present invention;

fig. 6 is a schematic view of a front view structure of a garden tool in a fourth gear according to embodiment 1 of the present invention;

fig. 7 is a schematic view of the front view structure of the garden tool in the third gear when the garden tool is reset according to embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a main viewing structure of the garden tool in the second gear when the garden tool is reset according to embodiment 1 of the present invention;

fig. 9 is a schematic structural view of a first gear of the garden tool according to embodiment 1 of the present invention;

fig. 10 is a schematic front view of a motor assembly according to embodiment 1 of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Example 1:

referring to fig. 1-2, the present embodiment shows a gardening tool with a position adjusting mechanism, which includes a housing (not shown), a motor assembly, a cutter 1, a limiting block 4, and a limiting spring 3.

The motor assembly at least comprises a motor, and in addition, the motor assembly further comprises a motor base 10 in the embodiment, the motor is installed on the motor base 10, and the motor base 10 move synchronously. The motor base 10 is provided with an adjusting button 11, the motor base 10 is movably arranged on the shell, and the motor base 10 is controlled to move on the shell through the adjusting button 11. The motor drives the cutter 1 to move, for example, the cutter 1 in this embodiment is a cutter head, and a motor shaft of the motor is fixed to the center of the cutter 1, so as to achieve the purpose that the motor drives the cutter 1 to rotate.

The position of the cutter 1 on the shell determines that the garden tool is located at different gears, and the adjustment of the position of the corresponding cutter 1 on the shell is realized by adjusting the adjusting button 11, so that the motor base 10 drives the motor to change the position relative to the shell. Therefore, when the garden tool is in a specific gear, the gear needs to be locked, and the position of the motor base 10 on the housing needs to be locked accordingly.

For this reason, the motor assembly in this embodiment is provided with a plurality of gear grooves 2, and for the convenience of slotting, the gear grooves 2 are all located on the outer wall of the motor base 10. Spacing spring 3 is located between casing and stopper 4, and spacing spring 3 extrudes stopper 4 on motor cabinet 10, restriction motor cabinet 10's moving range for spacing spring 3 is in the state that compresses tightly all the time, so that stopper 4 extrudes all the time on motor cabinet 10. The adjusting button 11 adjusts the position in-process of motor cabinet 10, drives stopper 4 business turn over different fender position recess 2, when stopper 4 is located fender position recess 2, realizes keeping off the position locking.

The specific locking gear mode of the gear groove 2 is as follows: keep off the relative spacing spring 3 slope setting of fender position recess 2 at least partial inner wall and form spacing wall 5, stopper 4 is in keeping off position recess 2 in the time with spacing wall 5 laminating to realize the face contact between stopper 4 and the spacing wall 5, spacing spring 3 has then injectd that the atress direction of stopper 4 is in the flexible plane of spacing spring 3.

The moving direction of the motor base 10 can be divided into a direction parallel to the telescopic plane of the limit spring 3 and a direction perpendicular to the telescopic plane of the limit spring 3.

Wherein under the flexible plane direction upward movement condition that is on a parallel with spacing spring 3 of motor cabinet 10, if stopper 4 is not keeping off a position in the recess 2, no matter how the motor cabinet 10 moves on spacing spring 3 deformation direction, stopper 4 can not get into and keep off a position recess 2, consequently can not produce the stability of mistake locking. If stopper 4 is keeping off position recess 2 in, then no matter how move on the direction of motor cabinet 10 at 3 deformation of spacing spring, spacing spring 3 can compress tightly stopper 4 on spacing wall 5 all the time, guarantees stopper 4's locking effect.

Under the flexible plane direction upward movement condition of motor cabinet 10 perpendicular to spacing spring 3, if stopper 4 is located and keeps off position 2 outer circumstances, motor cabinet 10 removes the outer wall that in-process stopper 4 can scrape motor cabinet 10, can not realize the locking. And when stopper 4 reachd the edge that keeps off a position recess 2, along with the removal of motor cabinet 10, stopper 4 can stretch into gradually under the drive of spacing spring 3 and keep off a position recess 2 to stretch into the in-process that keeps off a position recess 2 at stopper 4 and utilize spacing wall 5 to realize stopper 4 spacing and direction, reach the locking that compresses tightly between stopper 4 and the spacing wall 5 and keep off the position the effect. Along with stopper 4 deepens fender position recess 2 gradually, the area of contact of spacing wall 5 and stopper 4 is big more, and the locking effect that keeps off the position is better.

The shape of the stopper wall 5 in this embodiment is substantially symmetrical along the expansion plane of the stopper spring 3. Consequently, along with the lasting unidirectional movement of motor cabinet 10, stopper 4 contacts with the tank bottom of keeping off position recess 2, and spacing spring 3 laminates with spacing wall 5 completely, and later motor cabinet 10 continues to move, and the area of contact of stopper 4 and spacing wall 5 can begin to reduce gradually, and corresponding locking effect begins to weaken gradually. In addition, under the guiding and limiting effects of the limiting wall 5, the limiting block 4 is gradually pushed out of the gear groove 2 until the limiting block 4 completely leaves the gear groove 2, so that the purpose of unlocking is achieved. The steps are repeated, so that the purpose that the limiting block 4 enters and exits from the different gear grooves 2 is achieved, and therefore the switching and locking processes among different gears are achieved.

In order to simplify the control process of the motor base 10, the motor base 10 can be movably arranged along a straight line in the direction inclined relative to the telescopic plane of the limiting spring 3, and all the corresponding gear grooves 2 are sequentially arranged along the moving direction of the motor assembly. The motor base 10 moves linearly to control the garden tool to be in different gears.

Taking this embodiment as an example, the fender position of garden instrument depends on the vertical height of cutter 1, and spacing spring 3 is flexible movable setting in the horizontal plane for this reason in this embodiment, and motor cabinet 10 then sets up along vertical direction activity to drive motor and cutter 1 along vertical direction activity setting. The corresponding limiting wall 5 is arranged obliquely relative to the horizontal plane, and the whole limiting wall 5 is symmetrical relative to the horizontal plane. At this time, the end of the limiting spring 3 on the shell is fixed with the shell, and the limiting spring 3 is limited to move in a telescopic mode along the horizontal plane. The adjusting knob 11 is a button, the motor base 10 moves in the vertical direction under the action of the adjusting knob 11, and the motor base 10 is horizontally positioned relative to the housing.

For this reason, a bottom plate 6 is arranged in the shell, and the bottom plate 6 and the shell can be fixedly connected by splicing or threads and the like. The motor shaft runs through bottom plate 6 and is connected with cutter 1, and the activity of motor cabinet 10 is established in the top of bottom plate 6, is provided with reset spring 8 between motor cabinet 10 and the bottom plate 6, and reset spring 8 sets up along vertical direction, and reset spring 8 plays the guide effect to the removal of motor cabinet 10. The motor cabinet 10 extrudes the reset spring 8 when being pressed down, the elasticity of the reset spring 8 is increased, and after the limiting block 4 falls into the gear groove 2, the resistance of the limiting wall 5 to the limiting block 4 along the vertical direction is balanced with the resistance between the reset spring 8, so that the purpose of locking the gears is achieved. Pressing degree is too big along vertical direction when adjusting button 11, leads to reset spring 8 deformation volume too big, and motor cabinet 10 receives too big power along vertical direction this moment, and spacing wall 5 releases stopper 4 rapidly and keeps off a position recess 2, plays the effect that motor cabinet 10 drove cutter 1 and resets.

In addition, be provided with limit baffle 7 on the outer wall of this embodiment motor cabinet 10, limit baffle 7 sets up at the edge that keeps off a position recess 2, and limit baffle 7 then restricts the range of movement after keeping off a position recess 2 to stopper 4 to prevent that the moving path of stopper 4 from taking place the skew.

Preferably, the outer wall of the motor base 10 is sleeved with a guide sleeve 9 for guiding the movement direction of the motor base 10, the guide sleeve 9 is arranged along the vertical direction, and the guide sleeve 9 and the bottom plate 6 are fixed in a pasting mode so as to stably limit the movement direction of the motor base 10 in the vertical direction. A locking window 12 is formed in the guide sleeve 9, and the limiting block 4 penetrates through the locking window 12 to enter the guide sleeve 9 and then abuts against the outer wall of the motor base 10 to enter and exit the gear groove 2 in the up-and-down moving process of the motor base 10. In addition, one end of the limiting spring 3 is fixed through the inner wall of the shell, and the other end of the limiting spring is supported on the side wall of the locking window 12 through the limiting block 4, so that the limiting spring 3 can be positioned in the stretching direction.

In order to further position the telescopic direction of the limiting spring 3, a guide seat 13 is further installed in the housing of the embodiment, the guide seat 13 penetrates through the locking window 12 and moves in the horizontal direction at the locking window 12, and the end of the guide seat 13 is pressed on the motor base 10. The limiting block 4 is arranged in the guide seat 13 in a sliding mode, the moving direction of the limiting block 4 is limited by the guide seat 13, and the limiting block 4 can enter and exit from one end, located in the guide sleeve 9, of the guide seat 13 to enter and exit from the gear groove 2. The limiting function of the corresponding limiting baffle 7 is realized by limiting the end part of the guide seat 13 positioned in the guide sleeve 9.

Referring to fig. 3-10, the motor base is controlled by the adjusting knob 11 to move up and down in the embodiment, so that the return spring 8 is controlled to extend and contract between the bottom plate 6 and the motor base.

Keep off position recess four in this embodiment totally, four keep off the position recess and arrange along vertical direction in proper order, from down upwards be one in proper order keep off recess 18, keep off recess 17, keep off recess 16 and keep off recess 15 with four. The number of the limiting baffle plates is two, the two limiting baffle plates are flat plates and are respectively a first limiting baffle plate 14 and a second limiting baffle plate 19, and the first limiting baffle plate 14 and the second limiting baffle plate 19 are respectively arranged on two sides of the four gear grooves.

When the motor base is at the highest point of vertical height, the limiting block is clamped into the first blocking groove 18, and the garden tool is at the first blocking position. The adjusting button 11 is pressed down, the two-gear groove 17 gradually moves downwards, the limiting block gradually leaves from the first-gear groove 18 and is close to the two-gear groove 17 until the limiting block is clamped into the two-gear groove 17, and the garden tool achieves conversion from the first gear to the second gear. And similarly, the conversion from the second gear to the third gear and from the third gear to the fourth gear can be realized.

Wherein first limit baffle 14 all inclines to set up with vertical face relative to horizontal plane, and guide holder 13 is parallel with first limit baffle 14 for the lateral wall of first limit baffle 14 along vertical direction, and three fender recesses 16 are blocked into to the stopper, and the lateral wall that is parallel with first limit baffle 14 on the guide holder 13 is laminated with first limit baffle 14. Meanwhile, in the process that the limiting block is rotated into the second retaining groove 17 from the first retaining groove 18 and is rotated into the third retaining groove 16 from the second retaining groove 17, the guide seat 13 and the second limiting baffle 19 are separated from each other and do not affect each other. In addition, the length of the fourth-stage groove 15 is greater than that of the third-stage groove 16.

The stopper turns to four fender recess 15 in-processes from three fender recesses 16, and guide holder 13 receives the direction of first limit baffle 14 to slide right gradually, compares behind the stopper card four fender recess 15 and leans on the right side more when going into three fender recesses 16, and until guide holder 13 is close to the lateral wall and the laminating of second limit baffle 19. The second limit stop 19 is arranged obliquely relative to both the horizontal plane and the vertical plane, while the second limit stop 19 is also arranged obliquely relative to the first limit stop 14. The guide base 13 is parallel to the second limit stop 19 with respect to a side wall of the second limit stop 19 in the horizontal direction. The widths of the first retaining groove 18, the second retaining groove 17 and the third retaining groove 16 are all consistent with the width of the limiting block, so that the limiting block can smoothly enter the second retaining groove 17 and the third retaining groove 16 when the adjusting button 11 is pressed down.

When the stopper is located four and keeps off recess 15, pull-up adjusting button 11, guide holder 13 can slide along second limit baffle 19 to separate with first limit baffle 14, slide to keeping off recess 17 and three fender recess 16 departments at guide holder 13, the tip of stopper is close to on second limit baffle 19, is located two right sides that keep off recess 17 and three fender recesses 16, therefore the stopper can not get into two and keep off recess 17 and three fender recesses 16 at the in-process that resets. The bottom end of the second limiting baffle 19 is close to or located at the same point as the right end of the first retaining groove 18, when the guide seat 13 moves to the first retaining groove 18, the limiting block can enter the first retaining groove 18 to return to the first retaining groove again, resetting is achieved, and the unidirectional adjustment process from the first retaining groove to the fourth retaining groove can be achieved by repeating the steps.

Example 2:

the present embodiment provides a lawn mower including the garden tool having the position adjustment mechanism of embodiment 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (9)

1. The utility model provides a garden instrument with position control mechanism which characterized in that: including casing, motor element, cutter, stopper and spacing spring, motor element drives the cutter activity, the last a plurality of fender position recesses that are provided with of motor element, spacing spring is located between casing and the stopper, spacing spring extrudees the stopper on motor element, motor element activity drives the stopper and passes in and out a fender position recess, keep off the relative spacing spring slope setting of the at least partial inner wall of position recess and form spacing wall, the stopper is located and keeps off the position recess when laminating with spacing wall.

2. The garden tool with a position adjustment mechanism, as recited in claim 1, wherein: the motor assembly is movably arranged along a straight line in the direction inclined relative to the limiting spring, and all the gear grooves are sequentially arranged along the moving direction of the motor assembly.

3. The garden tool with a position adjustment mechanism, as defined in claim 2, wherein: a bottom plate is arranged in the shell, and a return spring is arranged between the motor assembly and the bottom plate.

4. The garden tool with a position adjustment mechanism, as recited in claim 1, wherein: and a limiting baffle for limiting the limiting block is arranged on the outer wall of the motor component.

5. The garden tool with a position adjustment mechanism, as recited in claim 4, wherein: the number of the limiting baffle plates is at least two, the limiting baffle plates are flat plates, the two flat plates are mutually inclined, and the gear groove is formed between the two flat plates.

6. The garden tool with a position adjustment mechanism, as recited in claim 1, wherein: the motor assembly is sleeved with a guide sleeve for guiding the movement direction of the motor assembly, a locking window is formed in the guide sleeve, and the limiting block penetrates through the locking window and abuts against the motor assembly.

7. The garden tool with a position adjustment mechanism, as recited in claim 1, wherein: install the guide holder in the casing, the stopper slides and sets up in the guide holder, and the tip of guide holder compresses tightly on the guide holder.

8. The garden tool with a position adjustment mechanism, as recited in claim 1, wherein: the motor assembly comprises a motor base and a motor arranged on the motor base, an adjusting button is arranged on the motor base, and the motor base is movably arranged on the shell.

9. A lawnmower, comprising: comprising a garden tool with a position adjustment mechanism according to any of the claims 1-8.

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