CN213694863U

CN213694863U - Grass cutter

Info

Publication number: CN213694863U
Application number: CN202022660425.9U
Authority: CN
Inventors: 胡婷婷; 其他发明人请求不公开姓名
Original assignee: Zhejiang Xingyue Industrial Co ltd
Current assignee: Zhejiang Xingyue Industrial Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-16
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a mower, it includes host computer and handrail, the handrail is with swing mode movable mounting on the casing of host computer, the handrail is including handheld unit and linkage unit, be equipped with handle and spliced pole on the handheld unit, linkage unit is including the connection fork, adjust the auto-lock subassembly, the connection fork bending of whole is n shape, it includes pivot, reset spring, adjusting gear, button to adjust the auto-lock subassembly. The handrail structure optimization of lawn mower obtains detachable function, and required packing space dwindles greatly behind the essential element split, and still makes the handrail have the height-adjustable function through this dismantlement function, can satisfy the operating requirement of the operating personnel of different heights, therefore, the lawn mower has the characteristics that the packing is small, transport storage is convenient in the commodity circulation link, has the convenient characteristics of operation in the use phase.

Description

Grass cutter

Technical Field

The utility model relates to a mower.

Background

The lawn mower is a universal production tool with high use frequency and is generally used in garden maintenance work. The prominent problem of the mower serving as a commodity in the circulation link is that the packaging volume is too large, so that the number of the mowers capable of being transported under the standard boxing condition is not large. This type of problem is mainly manifested in walk-behind mowers, as well as self-propelled mowers, in which the armrest is of a double-push-rod structure, as described in chinese patent publication No. CN111788939A, published as 10/20/2020, and under the patent name "apparatus and method for cooling mower components", a handle is provided on the mower, and the handle includes a right extension portion, a left extension portion, and a U-shaped portion connected to and extending from each extension portion, and the handle is the armrest of the aforementioned double-push-rod structure. In order to reach the safety standard, the best connected mode between handrail structure and the organism is non-detachable fixed connection, but this space that can make the handrail occupy influences the required space size of packing, can be limited to the shared space of handrail and make the wooden case volume very big when packing lawn mower with the wooden case, and this brings inconvenience in the market circulation link for the product. In addition, the height of the mower handrail in the prior art is fixed, which has the defect of using operators with different heights, and after all, individuals with different heights have different requirements on the optimal holding height.

In summary, the hand-push mower and the self-propelled mower in the prior art have the disadvantages of large packaging volume and nonadjustable armrest height.

Disclosure of Invention

The to-be-solved technical problem of the utility model is that how to realize that the handrail of lawn mower can be dismantled, obtain a can practice thrift vanning space's lawn mower from this.

In order to solve the technical problem, the utility model adopts the following technical scheme: the mower comprises a host and a handrail, the handrail is movably mounted on a shell of the host in a swinging mode, the handrail comprises a handheld unit and a connecting unit, the handheld unit is provided with a handle and a connecting column, the connecting column is of a straight columnar structure, the handle is positioned at one end of the connecting column and fixedly connected with the connecting column, the connecting unit comprises a connecting fork and a self-locking adjusting component, the whole connecting fork is bent in an n shape, the self-locking adjusting component comprises a rotating shaft, a reset spring, an adjusting gear and a button, the rotating shaft penetrates through the shell and is movably mounted on the shell, two ends of the rotating shaft are positioned outside the shell, one end of the connecting fork is fixedly connected with one end of the rotating shaft, the other end of the connecting fork is fixedly connected with the other end of the rotating shaft, the reset spring and the adjusting gear are movably mounted on the rotating shaft and are, the inner gear ring I corresponding to the adjusting gear is arranged inside the other end of the connecting fork, the button is movably installed at the end, provided with the inner gear ring I, of the connecting fork, a push rod is arranged on the button, an inner gear ring II corresponding to the adjusting gear is arranged on the shell, the reset spring is located in the inner gear ring II, the thickness of the adjusting gear is larger than the depth of the inner gear ring I, the thickness of the adjusting gear is smaller than the depth of the inner gear ring II, the inner gear ring I is opposite to the inner gear ring II and is communicated with the inner gear ring II, the movement range of the adjusting gear is located in the inner gear ring I and the inner gear ring II, the push rod extends into the inner gear ring I and is movably connected with the adjusting gear, the shell synchronously moves with the connecting fork through the adjusting gear, a connecting bulge is arranged in the middle of, the connecting column is provided with a knob sleeve and is movably connected with the connecting fork by screwing the connecting bulge into the knob sleeve.

The connecting column of handrail among this technical scheme is straight columnar structure, and the structure of connecting column can adopt metal tubular product to realize, and the quantity of connecting column only is one, therefore handrail structure obtains optimizing. The handrail is detachable structure, through knob cover structural connection between handheld unit and the linkage unit, twists the knob cover and can assemble the handrail or unpack the handrail apart, and the dismouting is extremely simple. Benefit from the exquisite structure of linkage unit in this technical scheme, obtained the function that can fixed fork inclination. When the adjusting gear is embedded in the connecting fork and the shell at the same time, the connecting fork cannot swing relative to the shell, and the fixed posture of the connecting fork relative to the shell is further kept; when the adjusting gears are all pushed to the shell, the connecting fork can swing relative to the shell, and then the adjusting effect of the inclination angle of the connecting fork is obtained. The height of the handheld unit is changed after the angle of the connecting fork is adjusted, and the purpose of adjusting the height of the handrail is finally achieved.

The swing range of the handrail is limited, so that external injury caused by misoperation and damage to the mower can be effectively prevented. Therefore, the outer portion of the shell is provided with two limiting grooves which are symmetrically distributed, the end portion of the connecting fork is embedded into the limiting grooves, the shell is provided with a first limiting surface and a second limiting surface at the limiting grooves, the first limiting surface is intersected with the second limiting surface, the included angle between the first limiting surface and the horizontal plane is smaller than the included angle between the second limiting surface and the horizontal plane, and the swing angle of the handrail on the shell ranges from twelve degrees to one hundred and ten degrees.

After the swing range of the handrail is physically limited, the probability of safety problems can be reduced through power supply control. Therefore, the technical scheme is provided with a switch function which can respond to the condition that the handrail is at the limit position. The connecting unit still includes limit switch, the outside of the one end of yoke is equipped with spacing arch, limit switch is located inside the casing, inside spacing arch stretched into the casing, spacing arch and limit switch swing joint, the orientation of spacing arch is greater than ninety octaves with the extending direction's of the handheld unit of connecting unit connection this end contained angle.

The utility model adopts the above technical scheme: the handrail structure optimization of lawn mower obtains detachable function, and required packing space dwindles greatly behind the essential element split, and still makes the handrail have the height-adjustable function through this dismantlement function, can satisfy the operating requirement of the operating personnel of different heights, therefore, the lawn mower has the characteristics that the packing is small, transport storage is convenient in the commodity circulation link, has the convenient characteristics of operation in the use phase.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

Fig. 1 is a schematic structural view of the mower of the present invention, wherein the handrail is at an included angle of twelve degrees with respect to the horizontal plane;

fig. 2 is a schematic structural view of a handrail of a lawn mower according to the present invention;

fig. 3 is a schematic structural view of a handheld unit of a handrail of a lawn mower of the present invention;

fig. 4 is a schematic structural view of a connecting unit of a handrail of a lawn mower according to the present invention;

FIG. 5 is a schematic structural view of a housing of a lawn mower according to the present invention;

fig. 6 is a schematic structural view of the mower of the present invention when the armrest is at an included angle of one hundred and ten degrees with respect to the horizontal plane.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5 and 6, the lawn mower is provided with a main machine 1 and an armrest 2, wherein the main machine 1 is used for mowing when walking on the ground, and the armrest 2 is used for controlling the walking direction of the main machine 1 and providing power required by certain walking. In this embodiment, the armrest 2 is movably mounted on the housing 3 of the main body 1, and the armrest 2 swings twelve degrees to one hundred and ten degrees relative to the horizontal plane.

The handrail 2 consists of two parts, a hand-held unit and a connecting unit, which can be connected together in a combined manner and thereafter also be detachable. The hand unit comprises a handle 4 and a connection post 5. As shown in fig. 2 and 3, the connecting column 5 is a straight column structure and can be made of metal pipes, such as aluminum pipes with high structural strength and light weight. The handle 4 is of an annular structure and is positioned at one end of the connecting column 5, and the handle 4 is fixedly connected with the connecting column 5 through a bracket. After connection, the central line of the handle 4 and the central line of the connecting column 5 are perpendicular to each other and are in the same plane.

As shown in fig. 3 and 4, the connection unit comprises a connection fork 6, an adjustment self-locking assembly and a limit switch 11. The yoke 6 is bent in an n-shape as a whole.

The adjusting self-locking assembly comprises a rotating shaft 7, a return spring 8, an adjusting gear 9 and a button 10. The rotating shaft 7 penetrates through the shell 3 and is movably arranged on the shell 3, and the rotating shaft 7 can freely rotate on the shell 3. The middle part of the rotating shaft 7 is positioned inside the shell 3, and the two ends of the rotating shaft 7 are positioned outside the shell 3. One end of the connecting fork 6 is fixedly connected with one end of the rotating shaft 7, and the other end of the connecting fork 6 is fixedly connected with the other end of the rotating shaft 7. The outside of one end of the connecting fork 6 is provided with a limiting bulge 12, the limiting switch 11 is installed inside the shell 3 and is connected with a power supply circuit inside the mower in series, the limiting bulge 12 extends into the shell 3, when the connecting fork 6 swings on the shell 3, the limiting bulge 12 and a triggering part of the limiting switch 11 are pushed and pushed mutually to obtain a movably connected position relation, and the limiting switch 11 is triggered accordingly.

The return spring 8 and the adjusting gear 9 are movably mounted on the rotating shaft 7 and are positioned outside the shell 3. And an inner gear ring I13 corresponding to the adjusting gear 9 is arranged inside the other end of the connecting fork 6. The button 10 is movably arranged at the end, provided with the inner gear ring I13, of the connecting fork 6, one side of the button 10 is provided with a push rod 14 and a barb 15 structure, and the barb 15 is used for being clamped on the connecting fork 6 to enable the button 10 to be limited on the connecting fork 6, so that the button 10 can move on the connecting fork 6.

As shown in fig. 5, the housing 3 is provided with an inner gear ring ii 16 corresponding to the adjusting gear 9, and the return spring 8 is located in the inner gear ring ii 16. The thickness of the adjusting gear 9 is larger than the depth of the inner gear ring I13, the thickness of the adjusting gear 9 is smaller than the depth of the inner gear ring II 16, after installation, the inner gear ring I13 is over against the inner gear ring II 16, and the inner gear ring I13 is communicated with the inner gear ring II 16. In an initial state, the reset spring 8 always pushes the adjusting gear into the inner gear ring I13, namely the end part of the connecting fork 6, and the movement range of the adjusting gear 9 is positioned in the inner gear ring I13 and the inner gear ring II 16; because the thickness of the adjusting gear 9 is larger than the depth of the inner gear ring I13, only part of the adjusting gear 9 is embedded in the inner gear ring I13, and other parts are positioned in the inner gear ring II 16, namely in the shell 3, the connecting fork 6, the adjusting gear 9 and the shell 3 can not move independently, can only do synchronous motion, and the spatial postures of the three can all change synchronously. A push rod 14 of the button 10 extends into the inner gear ring I13, the push rod 14 faces to the position of the adjusting gear 9, after the button 10 is pressed, the push rod 14 can be movably connected with the adjusting gear 9, the button 10 pushes the adjusting gear 9 to move towards the position of the inner gear ring II 16, even the adjusting gear 9 can be pushed out of the inner gear ring I13, and then the adjusting gear 9 can be separated from the connecting fork 6; in this state, the adjusting gear 9 and the housing 3 still cannot move independently of each other, but the yoke 6 can perform a swinging motion relative to the housing 3, and the spatial attitude of the yoke 6 is changed after the yoke 6 is pulled; when the button 10 is released, the return spring 8 pushes the adjusting gear 9 into the inner gear ring I13 again, so that the connecting fork 6, the adjusting gear 9 and the shell 3 cannot move independently, and the connecting fork 6 after the space posture is adjusted can keep a new posture on the shell 3.

Two limiting grooves 17 are symmetrically distributed on the outer portion of the shell 3, and the end portion of the connecting fork 6 is embedded into the limiting grooves 17. The shell 3 is provided with a first limiting surface 18 and a second limiting surface 19 at the limiting groove 17, the first limiting surface 18 is intersected with the second limiting surface 19, the included angle between the first limiting surface 18 and the horizontal plane is smaller than the included angle between the second limiting surface 19 and the horizontal plane, and the first limiting surface 18 and the second limiting surface 19 can both block the swinging motion of the connecting fork 6, so that the first limiting surface 18 and the second limiting surface 19 can effectively limit the swinging angle of the handrail 2, and the swinging angle of the handrail 2 on the shell 3 is ensured to be twelve degrees to one hundred and ten degrees, as shown in fig. 1 and 6.

As shown in fig. 4, the yoke 6 is provided at a middle portion thereof with a coupling protrusion 20, and the coupling protrusion 20 is externally provided with a screw thread. The other end of the connecting column 5 is provided with a flange, a knob sleeve 21 is arranged on the connecting column 5, the diameter of a through hole at one end of the knob sleeve 21 is smaller than the outer diameter of the flange, and the diameters of through holes at other parts of the knob sleeve 21 are larger than the outer diameter of the flange, so that the knob sleeve 21 is limited on the connecting column 5 after the knob sleeve 21 is arranged on the connecting column 5, and the knob sleeve 21 can only slide on the connecting column 5 but cannot be separated from the connecting column 5. When the connecting fork is assembled, the connecting column 5 is movably connected with the connecting fork 6 by screwing the connecting bulge 20 into the knob sleeve 21. The handrail 2 obtains a detachable feature by means of a connection at the knob sleeve 21. When the armrest 2 is completely assembled, the angle between the direction of the limiting protrusion 12 and the direction in which the connecting unit is connected to the end of the handheld unit, i.e. the connecting protrusion 20 of the clevis 6, extends is one hundred and ten degrees.

When boxing, the armrest 2 can be disassembled and assembled by screwing the knob sleeve 21, and the handheld unit and the connecting unit are combined together or separated. The connecting fork 6 on the connecting unit is positioned outside the shell 3, and the connecting fork 6 is attached to the surface of the shell 3, so that the appearance of the host 1 is compact, and the occupied space during packaging is small; the disassembled handheld unit is also compact in appearance, and occupies small space when being packaged. In use, the mower can be used after the complete handrail 2 is obtained by assembling the handheld unit to the attachment unit. If the height of the handrail 2 needs to be adjusted, the button 10 is firstly pressed to enable the connection relationship between the connecting fork 6 and the shell 3 to be changed from a synchronous motion relationship to an independent motion relationship, the regulating gear is wholly inserted into the inner gear ring II 16, the button 10 is loosened after the handrail 2 is pulled to the required height, the regulating gear is embedded into the inner gear ring I13 again, and then the new posture of the handrail 2 is maintained. The swing range of the handrail 2 is twelve degrees to one hundred and ten degrees, when the included angle between the handrail 2 and the horizontal plane is twelve degrees, the limiting protrusion 12 and the triggering part of the limiting switch 11 are pushed mutually, the limiting switch 11 is triggered, the inside of the limiting switch 11 is in a disconnected state, and therefore the mower cannot be started, and therefore the handrail 2 can be regarded as having dangerous operation at the height. And when the armrest 2 is separated from the twelve-degree inclined angle, the inside of the limit switch 11 can be restored to the connected state.

Claims

1. A lawn mower comprising a main machine (1) and a handrail (2), characterized in that: handrail (2) are with swing mode movable mounting on casing (3) of host computer (1), handrail (2) are including handheld unit and linkage unit, be equipped with handle (4) and spliced pole (5) on the handheld unit, spliced pole (5) are straight columnar structure, handle (4) are located the one end of spliced pole (5) and handle (4) and spliced pole (5) fixed connection, linkage unit is including connecting fork (6), adjusting the auto-lock subassembly, connecting fork (6) whole bending is n shape, adjust the auto-lock subassembly including pivot (7), reset spring (8), adjusting gear (9), button (10), pivot (7) pass casing (3) and movable mounting on casing (3), the both ends of pivot (7) all are located casing (3) outside, the one end of connecting fork (6) and the one end fixed connection of pivot (7), the other end of the connecting fork (6) is fixedly connected with the other end of the rotating shaft (7), the reset spring (8) and the adjusting gear (9) are movably mounted on the rotating shaft (7) and are positioned outside the shell (3), an inner gear ring I (13) corresponding to the adjusting gear (9) is arranged inside the other end of the connecting fork (6), the button (10) is movably mounted at the end of the connecting fork (6) provided with the inner gear ring I (13), a push rod (14) is arranged on the button (10), an inner gear ring II (16) corresponding to the adjusting gear (9) is arranged on the shell (3), the reset spring (8) is positioned in the inner gear ring II (16), the thickness of the adjusting gear (9) is larger than that of the inner gear ring I (13), the thickness of the adjusting gear (9) is smaller than that of the inner gear ring II (16), the inner gear ring I (13) is over against the inner gear ring II (16), and the inner gear ring I (13) is communicated with the inner, the utility model discloses a novel gear connection fork, including link gear I (13) and link gear II (16), the motion range of adjusting gear (9) is located in ring gear I (13) and ring gear II (16), push rod (14) stretch into ring gear I (13) and with adjusting gear (9) swing joint, casing (3) are through adjusting gear (9) and connect fork (6) synchronous motion, the middle part of connecting fork (6) is equipped with connects protruding (20), connect protruding (20) outside and be equipped with the screw thread, the other end of spliced pole (5) is equipped with the flange, install knob cover (21) on spliced pole (5), spliced pole (5) twist in knob cover (21) and with connect fork (6) swing joint through connecting protruding (20).

2. The lawnmower of claim 1, wherein: the utility model discloses a portable electronic device, including casing (3), spacing groove (17) that casing (3) outside was equipped with two symmetric distributions, the tip embedding of yoke (6) is in spacing groove (17), casing (3) are equipped with first spacing face (18) and second spacing face (19) in spacing groove (17) department, first spacing face (18) are crossing with second spacing face (19), the contained angle of first spacing face (18) and horizontal plane is less than the contained angle of second spacing face (19) and horizontal plane, the swing angle of handrail (2) on casing (3) is twelve degrees to one hundred ten degrees.

3. The lawnmower of claim 2, wherein: the coupling unit still includes limit switch (11), the outside of the one end of yoke (6) is equipped with spacing arch (12), limit switch (11) are located inside casing (3), inside spacing arch (12) stretch into casing (3), spacing arch (12) and limit switch (11) swing joint, the orientation of spacing arch (12) is greater than ninety-eight degrees with the extending direction's of this end of the coupling unit connection handheld unit contained angle.