CN212970827U

CN212970827U - Transmission assembly and garden tool

Info

Publication number: CN212970827U
Application number: CN202021124826.6U
Authority: CN
Inventors: 王世胜; 霍晓辉; 李剑波; 张林高
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-04-16
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a drive assembly and garden instrument. The transmission assembly is used for connecting the driving assembly and the garden working assembly, the transmission assembly comprises a box body, a first transmission part and a second transmission part, the first transmission part and the second transmission part are contained in the box body and are arranged in a meshed mode, the first transmission part comprises a first gear and a second gear which are arranged in a meshed mode, a gear shaft of the first gear and a gear shaft of the second gear are arranged in an included angle mode, and the second transmission part comprises a third gear which rotates coaxially with the second gear and a fourth gear which is arranged in a meshed mode with the third gear. The utility model discloses a drive assembly is through setting up two-stage drive disk assembly, but the output of effective control garden instrument when guaranteeing garden instrument's normal use effect, lowers the utility model discloses garden instrument's use and manufacturing cost.

Description

Transmission assembly and garden tool

Technical Field

The utility model relates to a drive assembly and use this drive assembly's garden instrument belongs to garden machine field.

Background

Garden tools, as a machine that can help people to complete garden tasks quickly, are increasingly widely used in modern society, and particularly, in the process of pruning high branches and shrubs, due to the long use distance of garden tools, the garden tools can assist users conveniently and quickly to complete the cutting of trees/shrubs.

However, although the pruner for pruning high branches in the prior art can assist the user to complete the corresponding garden task, the garden tool for pruning high branches in the prior art cannot be controlled to have good cutting efficiency due to the influence of the transmission structure thereof, so that the garden tool for pruning high branches in the prior art cannot be widely used.

In view of the above, there is a need for an improved garden tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive assembly and use this drive assembly's garden instrument, this drive assembly can effectively reduce the driving motor's of the gardens work that uses this drive assembly work efficiency through setting up two-stage drive disk assembly, can effectively control garden instrument's output, when guaranteeing garden instrument's normal use effect, lowers the utility model discloses garden instrument's use and manufacturing cost.

In order to realize the aim of the utility model, the utility model provides a transmission component which is used for connecting a driving component and a garden working component, the transmission assembly comprises a box body, a first transmission part and a second transmission part which are accommodated in the box body, the first transmission component and the second transmission component are arranged in a meshed manner, the first transmission component comprises a first gear and a second gear which are arranged in a meshed manner, the gear shaft of the first gear and the gear shaft of the second gear form an included angle, the second transmission component comprises a third gear which coaxially rotates with the second gear and a fourth gear which is meshed with the third gear, and the number of teeth of the first gear is less than that of the second gear, and the number of teeth of the third gear is less than that of teeth of the fourth gear, so that the output rotating speed of the transmission assembly is stable.

As a further improvement of the present invention, the first gear and the second gear are bevel gears, the gear shaft of the first gear with the drive shaft of the drive assembly passes through spline coupling, just the first gear with be equipped with a support member between the drive shaft, the first support member is provided with one or more.

As a further improvement of the present invention, the second gear has a connecting shaft for connecting the third gear, the third gear is riveted with the connecting shaft, just the second gear with be equipped with the second supporting member between the third gear, the second supporting member cover is established the second gear on the connecting shaft, just the second supporting member is provided with one or more.

As a further improvement of the present invention, the first support member and/or the second support member is any one of a bearing and a sliding sleeve, and the first support member and/or the second support member is riveted to the case.

As a further improvement of the present invention, the third gear is a cylindrical gear coaxially disposed with the second gear, and the fourth gear is an eccentric wheel disposed in meshing engagement with the cylindrical gear.

As a further improvement of the present invention, the gear shaft of the first gear is perpendicular to the gear shaft of the second gear, and the gear shafts of the second gear, the third gear and the fourth gear are parallel.

In order to achieve the purpose of the utility model, the utility model also provides a garden tool for executing garden pruning tasks, which also comprises a garden working component for executing branch/shrub pruning tasks, a driving component for driving the garden working component and a power supply component for supplying electric power to the driving component; the garden tool further comprises a transmission assembly used for being connected with the driving assembly and the garden working assembly, and the transmission assembly is the transmission assembly.

As a further improvement of the present invention, the driving assembly includes a housing, is accommodated driving motor in the housing, is used for connecting driving motor with the connecting rod part of the transmission assembly and is used for controlling the control part of the driving motor operation, the power supply assembly is accommodated in the housing, and with the driving motor electric connection.

As a further improvement of the present invention, the connecting rod component includes a hard shaft inserted in the motor clamping tube of the driving motor and a connecting rod used for accommodating the hard shaft, one end of the hard shaft is connected to the gear shaft of the first gear, and the other end is connected to the motor clamping tube of the driving motor.

As a further improvement of the present invention, one end of the connecting rod is inserted into the box of the transmission assembly, and the other end of the connecting rod is connected and accommodated in the casing, and the connecting rod is further provided with a positioning bearing for fixing and positioning the hard shaft.

The utility model has the advantages that: the utility model discloses a drive assembly can effectively adjust the drive assembly who connects at the drive assembly at drive assembly both ends and the drive ratio of gardens work subassembly through setting up first drive disk assembly and the second drive disk assembly that the meshing set up, and this drive assembly's simple structure, and preparation and assembly cost are low. Meanwhile, the garden tool using the transmission assembly can efficiently and quickly complete corresponding garden work, and ensures that the driving assembly has stable and proper output and smaller output power while ensuring the working efficiency of the garden tool assembly; effectively promotes the practicability of the garden tool and reduces the production and use cost of the garden tool.

Drawings

Fig. 1 is a schematic structural view of the garden tool of the present invention.

Fig. 2 is a disassembled schematic view of the garden work assembly in fig. 1.

Fig. 3 is a disassembled schematic view of the driving assembly in fig. 1.

Fig. 4 is a schematic diagram of the driving motor and the link assembly shown in fig. 3.

FIG. 5 is a disassembled view of a preferred embodiment of the transmission assembly of FIG. 1.

Fig. 6 is a disassembled schematic view of the transmission assembly of fig. 5 combined with the garden working assembly.

Fig. 7 is a disassembled view of the transmission assembly of fig. 5, the driving assembly and the holding assembly.

FIG. 8 is a disassembled view of another preferred embodiment of the transmission assembly of FIG. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

In order to avoid obscuring the present invention with unnecessary details, it should be noted that only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1, a garden tool 100 for performing garden trimming tasks is provided. The garden tool 100 comprises a garden work assembly 1 for performing garden work tasks, a drive assembly 2 for driving the garden work assembly 1, a power supply assembly 3 for providing power to the drive assembly 2, and a transmission assembly 4 for drivingly connecting the drive assembly 2 and the garden work assembly 1.

Referring to fig. 2, in the present invention, the garden working assembly 1 is a cutting knife assembly for performing a tree/shrub pruning task, and the garden working assembly 1 is in transmission connection with the driving assembly 2 through the transmission assembly 4, and includes a blade protection frame 11 connected and positioned with an end portion extended from the transmission assembly 4, a blade assembly 12 slidably connected to the blade protection frame 11, and a connecting member 13 for connecting the blade assembly 12 and the transmission assembly 4 in a transmission manner.

The blade guard 11 comprises a support rod 111 fixed at the end of the transmission assembly 4 in the extending direction through a threaded structure and a guard member 112 detachably connected to the support rod 111, wherein one end of the guard member 112 abuts against the end of the transmission assembly 4 in the extending direction, and the other end extends outwards; further, the guard members 112 are provided with guard teeth 113 on both sides thereof, and more specifically, the guard teeth 113 protrude outward perpendicularly to the extending direction and are uniformly and symmetrically provided on both sides of the guard members 112 to protect the blade bar assembly 12.

The plane of the frame member 112 is defined as a working plane, and the utility model discloses in, the tool section assembly 12 has the first tool section 121 and the second tool section 122 of arranging from top to bottom for the working plane, all is equipped with the spout 123 that corresponds the setting on the first tool section 121 and the second tool section 122, and the cooperation sliding connection of first tool section 121 and second tool section 122 through screw assembly and spout 123 is on the tool section protects the frame 11. Specifically, the both sides of first sword strip 121 and second sword strip 122 all are equipped with the cutting portion 142 of extending perpendicularly its extending direction outside in the utility model discloses in, the cutting portion 124 that is located the same sword strip left and right sides sets up along the extending direction dislocation of sword strip, and further, the cutting portion 124 of first sword strip 121 and second sword strip 122 is complementary setting in the extending direction of sword strip subassembly 12, so, can guarantee that sword strip subassembly 12 acts on the position of treating the shearing all the time in the course of working of garden instrument 100 to guarantee the work efficiency of gardens work subassembly 1.

In the present invention, the blade assembly 12 is connected to the transmission assembly 4 through the connecting member 13, specifically, the connecting member 13 includes a first connecting member 131 connected to the first blade 121 and a second connecting member 132 connected to the second blade 122. in the present invention, the first connecting member 131 and the second connecting member 132 are respectively provided with a through hole 133 for connecting the first blade 121 and the second blade 122, and the first blade 121 and the second blade 122 are both provided with a fixing protrusion 125 corresponding to the through hole 133, and in the present embodiment, the connecting member 13, the partial blade guard 11, and the partial blade assembly 12 are accommodated in the transmission assembly 4.

Referring to fig. 2 and 3, the driving assembly 2 is used for driving the garden working assembly 1 to operate through the transmission assembly 4, and in the present invention, the driving assembly 2 includes a housing 21, a driving motor 22 accommodated in the housing 21, a link member 23 for connecting the driving motor 22 and the transmission assembly 4, and a control member 24 for controlling the operation of the driving motor 22.

Specifically, the housing 21 includes a first housing, a second housing and an accommodating space formed between the first housing and the second housing, the first housing and the second housing are engaged with each other, and the driving motor 22 is accommodated in the accommodating space to provide power for the operation of the garden work assembly 1.

The link member 23 includes a hard shaft 231 connecting the driving motor 22 and the transmission assembly 4 and a link 232 for receiving the hard shaft 231, specifically, one end of the hard shaft 231 is connected to a motor shaft of the driving motor 22; the other end is connected with transmission assembly 4 to carry out the department transmission of power, it is to explain, the utility model discloses in not having the connection form of the motor shaft of driving motor 22 to hard axle 231 to prescribe a limit to, promptly the utility model discloses in, hard axle 231 both can with the integrative setting of motor shaft, can also the motor shaft components of a whole that can function independently set up, stability when only needing to guarantee hard axle 231 and motor shaft connection can.

The connecting rod 232 is disposed in a hollow tubular shape, in this embodiment, the driving motor 22 has a motor clamping tube 221 for connecting the connecting rod 23, the motor clamping tube 221 is fixedly accommodated in the housing 21 and is locked and connected with the housing 21 through a fixing structure such as a combination of a hoop and a wheel bolt, so as to ensure the stability of the connecting rod 23 when being connected with the housing 21. Furthermore, the connecting rod 232 is further provided with a positioning bearing 234 for fixing the hard shaft 231, so that the hard shaft 231 can be effectively prevented from being suspended and deformed due to high-speed rotation under the driving of the driving motor 22.

Preferably, 3 positioning bearings 234 are provided at the same time, and 3 positioning bearings 234 are uniformly arranged in the connecting rod 232, and in this embodiment, the outside of the positioning bearings 234 is wrapped with a shock-absorbing rubber to avoid the hard shaft 231 from affecting the connecting rod 232 during the rotation process.

The control part 24 is used for controlling the operation of the driving motor 22. in the present invention, the control part 24 includes a PCB 241 accommodated in the housing 21, a control trigger 242 electrically connected to the PCB 241, and a speed regulating assembly 243, and the control trigger 242 and the speed regulating assembly 243 are disposed at the end of the housing 21 in the extending direction.

In a preferred embodiment of the present invention, the PCB board 241 is located below the driving motor 22 and electrically connected to the driving motor 22 and the power supply assembly 24 respectively, the control trigger 242 is located below the end of the extending direction of the casing 21 for the user to hold and control, and further, the speed adjusting assembly 243 has a film panel (not labeled), a speed adjusting switch (not labeled) and a self-locking speed adjusting button (not labeled) fixed above the end of the extending direction of the casing 21, so as to effectively improve the safety of the gardening tool 100.

Power supply module 3 is used for supplying power for drive module 2 the utility model discloses in, power supply module 3 accepts in the accommodating space of casing 21 to be located driving motor 22's afterbody the utility model discloses an in the preferred embodiment, power supply module 3 is rechargeable lithium cell package, and casing 21 has the battery chamber that is used for acceping and the rechargeable lithium cell of electric connection package, so sets up, can make things convenient for charging and changing of power supply module 3, can effectively promote the 100 practicality of garden instrument.

Referring to fig. 5 to 7, the transmission assembly 4 is used for connecting the driving assembly 2 and the garden working assembly 1, and includes a case 41, and a first transmission part 42 and a second transmission part 43 accommodated in the case 41.

Specifically, the case 41 includes a gear case 411 and a gear case cover 412 that is snap-fitted to the gear case 411, and the first transmission member 42 and the second transmission member 43 are held between a bottom wall of the gear case 411 and the gear case cover 412.

First drive disk assembly 42 is including first gear 421 and second gear 422 that the meshing set up the utility model discloses in, the gear shaft of first gear 421 becomes the contained angle setting with second gear 422's connecting axle, and is further, the axis of the gear shaft of first gear 421 and the axis of hard axle 231 are located same straight line, and the utility model discloses a preferred embodiment, the tip that hard axle 231 extends and the gear shaft spline of first gear 421 hookup, so set up, can be when guaranteeing to be connected stably between first gear 421 and the hard axle 231, do not increase the connection size between first gear 421 and the hard axle 231.

Further, be equipped with the cover between first gear 421 and the hard axle 231 and establish first supporting member 423 on the tip that the gear shaft of first gear 421 and/or hard axle 231 extend the utility model discloses in, first supporting member 423 is provided with one or more, just is in the utility model discloses a preferred embodiment, first supporting member 423 and gear box 411's riveting, so set up, can effectively avoid first gear 421 and hard axle 231 to take place the shake in transmission process, guarantee the driven stability of transmission assembly 4.

The second gear 422 has a connecting shaft (not numbered) for connecting the second transmission member 43, and in the preferred embodiment of the present invention, the connecting shaft of the second gear 422 is perpendicular to the gear shaft of the first gear 421, so that the transmission direction of the second gear 422 can be changed to make the rotation direction of the second gear 422 parallel to the working plane.

The utility model discloses in, still be equipped with second supporting component 424 between second gear 422 and the second drive disk assembly 43, it is same, second supporting component 424 is provided with one or more, just is in the utility model discloses a preferred embodiment, second supporting component 424 and gear box 411's riveting, so set up, can avoid second gear 422 to take place the shake in transmission process, have further guaranteed the driven stability of drive assembly 4.

In a preferred embodiment of the present invention, the first gear 421 and the second gear 422 are bevel gears disposed in a meshed manner, and the number of teeth of the second gear 422 is greater than that of the first gear 421 in this embodiment, so as to reduce the output speed of the driving motor 22 and ensure the stability of the transmission assembly 4.

The second transmission part 43 comprises a third gear 431 and a fourth gear 432 which are engaged with each other, in the present invention, the third gear 431 and the second gear 422 are coaxially disposed, that is, the third gear 431 is sleeved on the connecting shaft of the second gear 422, and the second supporting member 424 is located between the second gear 422 and the third gear 431, in a preferred embodiment of the present invention, the third gear 431 is a cylindrical gear disposed in a cylindrical shape, and the cylindrical gear is fixed at the end of the connecting shaft away from the second gear 422 through a fixing member such as a fixing bearing (not numbered).

Fourth gear 432 and third gear 431 meshing setting, in the utility model discloses, fourth gear 432 is the eccentric wheel, and eccentric wheel axial direction's both sides have along the eccentric post 4321 of its axis direction dislocation set, first connecting member 131 and second connecting member 132 connect on eccentric post 4321 through rolling bearing 134 respectively, and can drive first sword strip 121 and second sword strip 122 when fourth gear 432 rotates and do reciprocating motion along its extending direction, in particular, eccentric post 4321 sets up with fourth gear 432 is integrative, certainly in the utility model discloses in other embodiments, eccentric post 4321 still can with fourth gear 432 components of a whole that can function independently setting, namely the utility model discloses the concrete connection form of eccentric post 4321 and fourth gear 432 can be selected according to actual need, here with not the restriction.

Specifically, the first and

second connection members

131 and 132 are received in the housing 41, and the first and

second connection members

131 and 132 are slidably connected in the housing 41 through the sliding groove 135 provided thereon, and the housing 41 has a guide 413 penetrating the sliding groove 135 therein to prevent the first and

second connection members

131 and 132 from being displaced during transmission, resulting in transmission failure.

Further, the utility model discloses in, the number of teeth of third gear 431 is less than the number of teeth of fourth gear 432 to further restrict the drive ratio of drive assembly 4, with the output effect of guaranteeing gardens work assembly 1.

It should be noted that, in a preferred embodiment of the present invention (as shown in fig. 5), the first supporting member 423 is 2 bearings stacked in layers, and the two bearings are riveted with the gear case 411 through the gear shaft of the first gear 421; similarly, the second support member 424 is 2 bearings stacked one on another, and both the bearings are riveted to the gear case 411 through the connecting shaft of the second gear 422. In another embodiment of the present invention, the first supporting member 423 is a sliding sleeve riveted to the gear case 411 through a gear shaft of the first gear 421; the second support member 424 is 2 bearings which are caulked to the gear case 411 via a connecting shaft of the second gear 422 and are stacked.

Of course, in other embodiments of the present invention, the first supporting member 423 may be further configured as 2 bearings riveted to the gear case 411 through the gear shaft of the first gear 421; the second support member 424 is a sliding sleeve riveted with the gear case 411 through a connecting shaft of the second gear 422; alternatively, as shown in fig. 8, the first supporting member 423' is a sliding sleeve riveted with the gear box 411 through a gear shaft of the first gear 421; the second supporting member 424' is a sliding sleeve riveted with the gear case 411 through the connecting shaft of the second gear 422, that is, the specific selection and number of the first supporting member 423 and the second supporting member 424 can be selected according to actual needs.

Further, the garden tool 100 further comprises a holding assembly 5, wherein the holding assembly 5 comprises a handle 51 connected to the housing 21 of the driving assembly 2, an auxiliary handle 52 detachably connected to the link member 23, and a back-buckle assembly 53. In a preferred embodiment of the present invention, the handle 51 is detachably connected to the housing 21, but in other embodiments of the present invention, the handle 51 may be formed on the housing 21; preferably, the auxiliary handle 52 and the link member 23, and the back buckle assembly 53 and the link member 23 are detachably connected to facilitate the connection and installation of the gardening tool 100.

Please refer to table 1 for showing, take the rotation speed of the driving motor 22 as 5000r/min as an example, it is right to test the transmission ratio and transmission efficiency of the garden tool 100 of the present invention, and further compare the setting form of the transmission assembly to the influence of the performance of the garden tool 100, so as to obtain the transmission ratio suitable for the garden tool 100 of the present invention:

TABLE 1

As can be seen from the above table, when the number of teeth of the first gear is 16, the number of teeth of the second gear is 15, and the number of teeth of the third gear is 51; the number of teeth of the fourth gear is 18; and when the transmission ratio of the transmission assembly 4 is controlled to be 3.02 and the output rotating speed of the transmission assembly 4 is 1650r/min, the use performance of the garden tool 100 is optimal and the garden tool is suitable for practical use.

It should be noted that, in the present invention, the garden tool 100 is only used as a pruner, and the garden working assembly 1 is exemplified by a knife strip, and in other embodiments of the present invention, the garden tool 100 can also be used as other garden devices/systems of the transmission assembly 4, that is, the description of the garden tool 100, that is, the garden working assembly 1, in the drawings, that is, the specification of the present invention, is only exemplary, and should not be limited thereto.

Further, the optimal tooth number selection and the optimal transmission ratio shown in table 1 are only the optimal configuration form of the transmission assembly 4 when the garden tool 100 is a pruner, and when the configuration structure and form of the garden tool 100 are changed, the configuration form and the transmission ratio of the transmission assembly 4 can be changed correspondingly, so that only the use effect of the garden tool 100 is ensured.

To sum up, the utility model discloses a drive assembly 4 can effectively adjust the drive ratio of connecting drive assembly 2 and gardens work subassembly 1 at 4 both ends of drive assembly through setting up the first drive disk assembly 41 and the second drive disk assembly 42 that the meshing set up, and this drive assembly 4's simple structure, preparation and assembly cost are low. Further, the garden tool 100 using the transmission assembly 4 can efficiently and quickly complete corresponding garden work, and the driving assembly 2 is ensured to have stable and appropriate output and smaller output power while the working efficiency of the garden tool set assembly 1 is ensured; effectively improving the practicability of the garden tool 100 and reducing the production and use costs of the garden tool 100.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a transmission assembly for connect drive assembly and gardens work subassembly, its characterized in that: the transmission assembly comprises a box body, a first transmission component and a second transmission component, wherein the first transmission component and the second transmission component are contained in the box body, the first transmission component and the second transmission component are arranged in a meshed mode, the first transmission component comprises a first gear and a second gear which are arranged in a meshed mode, a gear shaft of the first gear and a gear shaft of the second gear form an included angle, the second transmission component comprises a third gear and a fourth gear, the third gear coaxially rotates with the second gear, the fourth gear is arranged in a meshed mode with the third gear, the number of teeth of the first gear is smaller than that of the second gear, and the number of teeth of the third gear is smaller than that of teeth of the fourth gear, so that the output rotating speed of the transmission assembly is stable.

2. The drive assembly of claim 1, wherein: the first gear and the second gear are bevel gears, a gear shaft of the first gear is connected with a driving shaft of the driving assembly through a spline, a first supporting member is arranged between the first gear and the driving shaft, and one or more first supporting members are arranged.

3. The drive assembly of claim 2, wherein: the second gear is provided with a connecting shaft for connecting the third gear, the third gear is riveted with the connecting shaft, a second supporting member is arranged between the second gear and the third gear, the second supporting member is sleeved on the connecting shaft of the second gear, and one or more second supporting members are arranged.

4. The drive assembly of claim 3, wherein: the first support member and/or the second support member is/are any one of a bearing or a sliding sleeve, and the first support member and/or the second support member is/are riveted with the box body.

5. The drive assembly of claim 1, wherein: the third gear is a cylindrical gear coaxially arranged with the second gear, and the fourth gear is an eccentric wheel meshed with the cylindrical gear.

6. The drive assembly of claim 1, wherein: the gear shaft of the first gear is perpendicular to the gear shaft of the second gear, and the gear shafts of the second gear, the third gear and the fourth gear are parallel.

7. A garden tool for performing a garden pruning task, characterized in that: the garden tool comprises a garden work assembly for performing a tree/shrub pruning task, a drive assembly for driving the garden work assembly, and a power supply assembly for providing power to the drive assembly; the garden tool further comprises a transmission assembly for connecting the driving assembly and the garden working assembly, and the transmission assembly is the transmission assembly of any one of claims 1 to 6.

8. The gardening tool according to claim 7, wherein: the driving assembly comprises a shell, a driving motor accommodated in the shell, a connecting rod component used for connecting the driving motor and the transmission assembly, and a control component used for controlling the driving motor to operate, and the power supply assembly is accommodated in the shell and electrically connected with the driving motor.

9. The gardening tool according to claim 8, wherein: the connecting rod component comprises a hard shaft inserted in a motor clamping pipe of the driving motor and a connecting rod used for accommodating the hard shaft, one end of the hard shaft is connected with a gear shaft of the first gear, and the other end of the hard shaft is connected in the motor clamping pipe of the driving motor.

10. The gardening tool according to claim 9, wherein: one end of the connecting rod is inserted in the box body of the transmission assembly, the other end of the connecting rod is connected and contained in the shell, and a positioning bearing used for fixing and positioning the hard shaft is further arranged in the connecting rod.