Combined multifunctional garden pruning tool

By designing a detachable mounting base and drive mechanism in the garden tool, the switching between lawn mowing blades and pruning blades is realized, solving the problem of the single function of existing tools and realizing flexible switching and multi-functional use of the same tool between lawn mowing and pruning.

CN223943249UActive Publication Date: 2026-02-27TAIZHOU OUTE TOOLS MFG CO LTD
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Patent Information

Application Number
CN202520420422.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-27
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing handheld pruning or lawn mowing machines have limited functionality and cannot perform both pruning and mowing, necessitating the replacement of existing products to accomplish different garden trimming tasks.

Method used

A modular, multifunctional garden trimming tool was designed. By setting a mounting base at one end of the handle, and having a drive mechanism inside the mounting base, it is possible to selectively install either a lawnmower blade or a pruning blade. The blades are detachably fixed by a snap-fit ​​cap and a limiting structure, and the installation and switching of different blades are achieved by the meshing of internal and external gears.

Benefits of technology

It enables the same tool to switch between mowing and pruning, the blades are securely installed and easy to replace, and it has multiple functions, improving the flexibility and efficiency of garden tool use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a combined type multifunctional pruning garden tool which comprises a holding rod, a base and a blade, the base comprises a mounting seat and a clamping cover, the mounting seat is arranged at one end of the holding rod, the blade comprises a grass cutting blade group piece and a pruning blade group piece, a driving mechanism is arranged in the mounting seat, one of the grass cutting blade group piece and the pruning blade group piece is mounted on the mounting seat, and the other of the grass cutting blade group piece and the pruning blade group piece is mounted on the clamping cover. The driving mechanism drives the grass cutting knife group blades or the pruning knife group blades to work; a clamping groove is formed in the face, close to the grass cutter set pieces, of the mounting base, the clamping cover is clamped in the clamping groove, the grass cutter set pieces or the pruning cutter set pieces are limited between the clamping cover and the mounting base, and the clamping cover is detachably arranged. The garden pruning tool has the effects that grass cutting and pruning functions are achieved, and garden products are diversified in function.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of garden tool technology, in particular to a combined multifunctional pruning garden tool. BACKGROUND

[0002] The grass trimmer and the branch trimmer are commonly used garden tools, which are used for pruning branches and lawns. Such garden tools all include a working head, which is usually supported on a pair of rollers, and a long rod extending upward and rearward of the machine, for a user to hold and push the grass trimmer to move. The working head includes a pair of blades, at least one of which swings back and forth, and the two blades cooperate to prune.

[0003] The common handheld branch trimmer or grass trimmer can only be used for pruning branches or cutting grass during use, and needs to be replaced in order to prune branches and cut grass in the garden. Such garden products have a single function and cannot prune branches and cut grass. CONTENT OF THE INVENTION

[0004] In order to make the garden product function diverse, the present application provides a combined multifunctional pruning garden tool.

[0005] The combined multifunctional pruning garden tool provided by the present application adopts the following technical solution:

[0006] The combined multifunctional pruning garden tool includes a handle, a base and blades. The base includes a mounting seat and a clamping cover. The mounting seat is arranged at one end of the handle. The blades include a grass cutting blade set and a branch pruning blade set. A driving mechanism is arranged in the mounting seat. The grass cutting blade set or the branch pruning blade set is selectively mounted in the mounting seat. The driving mechanism drives the grass cutting blade set or the branch pruning blade set to work. A clamping groove is formed in one side of the mounting seat close to the grass cutting blade set. The clamping cover is clamped in the clamping groove. The grass cutting blade set or the branch pruning blade set is limited between the clamping cover and the mounting seat. The clamping cover is detachably arranged.

[0007] By adopting the above technical solution, the mounting seat is arranged at one end of the handle, which makes it more convenient for the user to use. Different blades are used according to different pruning. The grass cutting blade set or the branch pruning blade set is selectively mounted in the mounting seat. After mounting, the clamping cover is clamped in the clamping groove. The clamping cover limits the blades between the clamping cover and the mounting seat. The clamping cover is detachably arranged, which facilitates the replacement of the blades. The pruning garden tool realizes the functions of cutting grass and pruning branches, and the garden product has diverse functions.

[0008] Optionally, one side of the clamping cover close to the mounting seat is provided with a plurality of L-shaped blocks, the L-shaped blocks are oppositely arranged, the clamping groove is provided with limiting blocks on the opposite two side walls, the limiting blocks are provided with placing grooves, the placing grooves are for the L-shaped blocks to pass through, and the clamping cover is clamped when the inner wall of the L-shaped block abuts against the inner surface of the limiting block.

[0009] By using the above technical scheme, when the clamping cover needs to be installed, the L-shaped blocks on the clamping cover are aligned with the placing grooves, the L-shaped blocks are pushed after passing through the placing grooves, and the clamping cover is clamped when the inner wall of the L-shaped block abuts against the inner surface of the limiting block. The clamping cover is clamped simply, and when it needs to be disassembled, the L-shaped blocks are separated from the placing grooves by pushing the clamping cover in the opposite direction, and the clamping cover is disassembled.

[0010] Optionally, the mounting seat is rotatably provided with a clamping block, the clamping block is provided with a spring, one end of the spring abuts against the clamping block, and the other end abuts against the mounting seat, the spring drives the clamping block to protrude from the surface of the mounting seat, the clamping cover is provided with a containing groove for clamping the clamping block, and the clamping cover is firmly clamped in the clamping groove when the clamping cover is located in the containing groove.

[0011] By using the above technical scheme, when the clamping cover is clamped, the clamping cover abuts against the clamping block and compresses the spring, so that the clamping block rotates towards the mounting seat, and when the clamping block is clamped in the containing groove, the spring drives the clamping block to be firmly clamped in the containing groove, so that the clamping cover is firmly clamped and is not easy to be separated from the clamping groove.

[0012] Optionally, the grass cutting blade assembly comprises a first grass cutting blade, a second grass cutting blade, a third grass cutting blade, and a grass cutting rotating assembly, the first grass cutting blade, the second grass cutting blade, and the third grass cutting blade are arranged in a superposed manner from top to bottom, the grass cutting rotating assembly comprises a grass cutting gear, a first cam fixed to the bottom of the grass cutting gear, and a second cam, the driving mechanism drives the grass cutting gear to rotate, the grass cutting gear is rotationally connected to the third grass cutting blade, the protruding ends of the first cam and the second cam are located at the two ends of the radial direction of the grass cutting gear, the top surface of the first grass cutting blade away from the grass cutting end is provided with a first rotating groove for the rotation of the first cam, the top surface of the second grass cutting blade away from the grass cutting end is provided with a second rotating groove for the rotation of the second cam, the first grass cutting blade, the second grass cutting blade, and the third grass cutting blade are rotationally connected to a positioning shaft, the positioning shaft is located on the side of the first rotating groove close to the grass cutting end of the first grass cutting blade, and the driving mechanism drives the first grass cutting blade and the second grass cutting blade to reciprocally deflect left and right through the first cam and the second cam to realize grass cutting.

[0013] By adopting the above technical scheme, the first grass shearing blade, the second grass shearing blade and the third grass shearing blade are arranged in an overlapping manner from top to bottom, the driving mechanism drives the grass shearing gear to rotate, and the protruding ends of the first cam and the second cam are located at the two ends of the grass shearing gear in the radial direction, so that the first grass shearing blade and the second grass shearing blade are inconsistent when shearing grass, and the driving mechanism drives the first grass shearing blade and the second grass shearing blade to reciprocate along the positioning shaft left and right to realize grass shearing, and the multiple blades facilitate better trimming of weeds, and the installation structure is relatively simple.

[0014] Optionally, the branch trimming set of blades comprises a first branch trimming blade, a second branch trimming blade, a fixing piece and a branch trimming rotating assembly, the first branch trimming blade and the second branch trimming blade are the same in structure, the first branch trimming blade and the second branch trimming blade are arranged in an overlapping manner from top to bottom, the branch trimming rotating assembly comprises a branch trimming gear, a third cam and a fourth cam fixed on the branch trimming gear, the driving mechanism drives the branch trimming gear to rotate, the protruding ends of the third cam and the fourth cam are located at the two ends of the grass shearing gear in the radial direction, the top surface of the first branch trimming blade away from the branch trimming end is provided with a third rotating groove for the rotation of the third cam, the top surface of the second branch trimming blade away from the branch trimming end is provided with a fourth rotating groove for the rotation of the fourth cam, the fixing piece is provided with two, the first branch trimming blade and the second branch trimming blade are located between the two fixing pieces, the two fixing pieces are fixed by bolts, the bolts pass through the first branch trimming blade and the second branch trimming blade, a plurality of through grooves for the bolts to pass through are formed in the first branch trimming blade and the second branch trimming blade, the fixing piece is fixed by the bolts, the first branch trimming blade and the second branch trimming blade are provided with trimming grooves, and the driving mechanism drives the first branch trimming blade and the second branch trimming blade to reciprocate in the through grooves to realize branch trimming.

[0015] By adopting the above technical scheme, the driving mechanism drives the first branch trimming blade and the second branch trimming blade to reciprocate in the through grooves to realize branch trimming, the first branch trimming blade and the second branch trimming blade are provided with trimming grooves, when the branch is located in the trimming groove, the first branch trimming blade and the second branch trimming blade reciprocate to trim the branch, and the branch is conveniently trimmed and cut off.

[0016] Optionally, the driving mechanism comprises a motor and a gear box, the input end of the gear box is coaxially arranged on the output end of the motor, the output end of the gear box is engaged with an inner and outer gear, the outer surface of the inner and outer gear is engaged with the output end of the gear box, and the inner surface of the inner and outer gear is engaged with the grass shearing gear or the branch trimming gear.

[0017] By adopting the technical scheme, the motor drives the gear box to rotate and drives the inner and outer gears to rotate, the inner and outer gears are in mesh with the grass shearing gear or the branch trimming gear, when the grass shearing blade group and the branch trimming blade group need to be replaced, the grass shearing gear or the branch trimming gear is placed and is in mesh with the inner and outer gears, the grass shearing blade group and the branch trimming blade group are installed, and installation is convenient.

[0018] Optionally, the mounting seat is provided with a grass cover at one end close to the blade.

[0019] By adopting the technical scheme, the grass cover prevents the grass clippings from falling too widely when the grass is sheared.

[0020] Optionally, the bottom of the mounting seat is provided with a grass clippings collecting box, and the grass clippings collecting box is used for collecting the grass clippings or the broken branches trimmed by the blade.

[0021] By adopting the technical scheme, the grass clippings or the broken branches trimmed by the blade are collected by the grass clippings collecting box, and the grass clippings or the broken branches are conveniently cleaned.

[0022] Optionally, the two side surfaces of the mounting seat close to the grass clippings collecting box are vertically provided with a plurality of grooves, and the grooves are used for clamping the grass clippings collecting box.

[0023] By adopting the technical scheme, the height of the grass clippings collecting box can be adjusted through the grooves, so that more grass clippings can be accommodated.

[0024] Optionally, the handle is provided with a limiting clamping block, the limiting clamping block is provided with a limiting spring, one end of the limiting spring abuts against the limiting clamping block, and the other end of the limiting spring abuts against the handle, the limiting spring drives the limiting clamping block to protrude from the surface of the handle, the handle is clamped in the mounting seat, a limiting groove is formed in the mounting seat, and when the limiting clamping block is clamped in the limiting groove by the limiting spring, the installation of the handle is completed.

[0025] By adopting the technical scheme, the installation and positioning of the handle are facilitated through the limiting clamping block and the limiting spring, and the handle is installed firmly.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. The user uses different blades according to different trimming, the clamping cover limits the blade between the clamping cover and the mounting seat, the clamping cover is detachably arranged, the replacement of the blade is facilitated, the garden trimming has the functions of grass shearing and branch trimming, and the garden product has various functions;

[0028] 2. The clamping cover is clamped by the L-shaped block, the clamping cover is easily positioned and clamped, and the clamping cover is conveniently detached;

[0029] 3. The inner and outer gears facilitate the installation of the grass shearing blade group and the branch trimming blade group, and installation is convenient. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a combined multifunctional garden trimming tool according to an embodiment.

[0031] Figure 2 This is a structural disassembly diagram of the lawnmower blade assembly in the embodiment.

[0032] Figure 3 This is a structural disassembly diagram of the pruning knife assembly in the embodiment.

[0033] Figure 4 This is a partial cross-sectional view of a combined multi-functional garden trimming tool according to an embodiment.

[0034] Figure 5 yes Figure 4 A magnified view of a portion at point A.

[0035] Figure 6 This is a structural disassembly diagram of the mounting base and snap-fit ​​cover in the embodiment.

[0036] Figure 7 This is a partial structural schematic diagram of the mounting base in the embodiment.

[0037] Figure 8 yes Figure 4 A magnified view of a portion of point B.

[0038] Figure 9 This is a schematic diagram of the roller assembly in an embodiment.

[0039] Figure 10 This is a structural disassembly diagram of the roller assembly in an embodiment.

[0040] Explanation of reference signs: 1, handle; 2, base; 3, blade; 21, mounting seat; 22, clamping cover; 31, grass cutting blade assembly; 311, first grass cutting blade; 312, second grass cutting blade; 313, third grass cutting blade; 314, grass cutting rotating assembly; 3141, grass cutting gear; 3142, first cam; 3143, second cam; 3150, first rotating groove; 3160, second rotating groove; 3170, positioning shaft; 32, pruning blade assembly; 321, first pruning blade; 322, second pruning blade; 323, fixing member; 324, pruning rotating assembly; 3241, pruning gear; 3242, third cam; 3243, fourth cam; 3250, third rotating groove; 3260, fourth rotating groove; 3270, through groove; 3280, trimming groove; 41, driving mechanism; 411, motor; 412, gear box; 413, internal and external gear; 42, clamping groove; 43, L-shaped block; 44, limiting block; 45, placing groove; 46, clamping block; 47, clamping spring; 48, containing groove; 51, grass cover; 52, grass clippings collection box; 53, collection box clamping block; 54, clamping block spring; 55, clamping groove; 56, limiting clamping block; 57, limiting spring; 58, limiting groove; 6, roller assembly; 61, fixing frame; 62, wheel shaft; 63, roller; 64, mounting lock knob; 641, lock column; 642, locking clamping block; 65, limiting assembly; 651, tension spring; 652, limiting ring piece; 66, tension spring; 71, mounting groove; 72, mounting hole; 73, U-shaped clamping groove; 74, recess; 8, through hole; 91, abutting block. DETAILED DESCRIPTION

[0041] The application will be further described in detail below with reference to the accompanying drawings and examples.

[0042] The embodiment of the application discloses a combined multifunctional pruning garden tool. Figure 1 , Figure 2 , Figure 3 The combined multifunctional pruning garden tool comprises a handle 1, a base 2 and a blade 3. The base 2 comprises a mounting seat 21 arranged at one end of the handle 1. The blade 3 comprises a grass cutting blade assembly 31 and a pruning blade assembly 32, and the mounting seat 21 is provided with a driving mechanism 41, and the grass cutting blade assembly 31 or the pruning blade assembly 32 is selectively mounted in the mounting seat 21, and the driving mechanism 41 drives the grass cutting blade assembly 31 or the pruning blade assembly 32 to work.

[0043] Referring to Figure 2 , Figure 4The grass cutting blade set 31 comprises a first grass cutting blade 311, a second grass cutting blade 312, a third grass cutting blade 313 and a grass cutting rotating assembly 314. The first grass cutting blade 311, the second grass cutting blade 312 and the third grass cutting blade 313 are arranged in a superposed manner from top to bottom. The grass cutting rotating assembly 314 comprises a grass cutting gear 3141, a first cam 3142 and a second cam 3143 fixed to the bottom of the grass cutting gear 3141. The driving mechanism 41 drives the grass cutting gear 3141 to rotate, and the grass cutting gear 3141 is rotationally connected to the third grass cutting blade 313. The protruding ends of the first cam 3142 and the second cam 3143 are located at the two ends of the grass cutting gear 3141 in the radial direction. The top surface of the first grass cutting blade 311 away from the grass cutting end is provided with a first rotating groove 3150 for the rotation of the first cam 3142, and the top surface of the second grass cutting blade 312 away from the grass cutting end is provided with a second rotating groove 3160 for the rotation of the second cam 3143. The first grass cutting blade 311, the second grass cutting blade 312 and the third grass cutting blade 313 are rotationally connected to a positioning shaft 3170, and the positioning shaft 3170 is located on the side of the first rotating groove 3150 close to the grass cutting end of the first grass cutting blade 311. The driving mechanism 41 drives the first grass cutting blade 311 and the second grass cutting blade 312 to reciprocally deflect left and right along the positioning shaft 3170 to realize grass cutting through the first cam 3142 and the second cam 3143.

[0044] Referring to Figure 3 , Figure 4The pruning blade set 32 includes a first pruning blade 321, a second pruning blade 322, a fixing member 323, and a pruning rotating assembly 324. The first pruning blade 321 and the second pruning blade 322 are identical in structure, and the first pruning blade 321 and the second pruning blade 322 are arranged in an interlaced and overlapped manner from top to bottom. The pruning rotating assembly 324 includes a pruning gear 3241, a third cam 3242 and a fourth cam 3243 fixed on the pruning gear 3241, and the driving mechanism 41 drives the pruning gear 3241 to rotate. The protruding ends of the third cam 3242 and the fourth cam 3243 are located at the two ends in the radial direction of the mowing gear 3141, the top surface of the first pruning blade 321 away from the pruning end is provided with a third rotating groove 3250 for the rotation of the third cam 3242, and the top surface of the second pruning blade 322 away from the pruning end is provided with a fourth rotating groove 3260 for the rotation of the fourth cam 3243. The fixing member 323 is fixed with two, the first pruning blade 321 and the second pruning blade 322 are located between the two fixing members 323, the two fixing members 323 are fixed by bolts, and the bolts pass through the first pruning blade 321 and the second pruning blade 322. A plurality of through grooves 3270 for the bolts to pass through are formed in the first pruning blade 321 and the second pruning blade 322. A pruning groove 3280 is formed in the first pruning blade 321 and the second pruning blade 322, and the driving mechanism 41 drives the first pruning blade 321 and the second pruning blade 322 to reciprocally slide in the through grooves 3270 to realize pruning through the third cam 3242 and the fourth cam 3243.

[0045] Referring to Figure 2 , Figure 3 , Figure 4 The driving mechanism 41 includes a motor 411 and a gear box 412, the input end of the gear box 412 is coaxially fixed on the output end of the motor 411, the output end of the gear box 412 is engaged with an inner and outer gear 413, the outer surface of the inner and outer gear 413 is engaged with the output end of the gear box 412, and the inner surface of the inner and outer gear 413 is engaged with the mowing gear 3141 or the pruning gear 3241.

[0046] Referring to Figure 1 , Figure 4 The pruning blade set 32 is internally designed with a machine overload electronic rebound function, a tree branch can easily escape from the pruning blade, and the product is internally designed with a PCB board / driver motor 411 / power switch. An MCU storage chip is designed on the PCB, when the tree branch is stuck in the pruning blade, the current of the driver motor 411 increases, reaches the parameter set by the MCU, the driver motor 411 stops rotating for protection, at this time the power switch must be turned off and then turned on again, when the current of the driver motor 411 still greater than the parameter set by the MCU, the driver program designed in the MCU judges that the current pruning function head is in a stuck state. The PCB board drives the driver motor 411 to operate in the opposite direction, so that the tree branch escapes from the pruning multifunction head.

[0047] Referring to Figure 1 , Figure 3 , Figure 5 , Figure 6 The base 2 further comprises a clamping cover 22, the mounting seat 21 is provided with a clamping groove 42 on one side close to the grass cutter blade 31, and the clamping cover 22 is clamped in the clamping groove 42. The grass cutter blade 31 or the pruning blade 32 is limited between the clamping cover 22 and the mounting seat 21, and the clamping cover 22 is detachably arranged. A plurality of L-shaped blocks 43 are fixed on one side of the clamping cover 22 close to the mounting seat 21, and the L-shaped blocks 43 are oppositely arranged. The clamping groove 42 is provided with limiting blocks 44 on opposite two side groove walls, the limiting blocks 44 are provided with placing grooves 45, the placing grooves 45 are used for the L-shaped blocks 43 to pass through, the L-shaped blocks 43 pass through the placing grooves 45, and when the clamping cover 22 slides to the inner wall of the L-shaped blocks 43 and abuts against the inner surface of the limiting blocks 44, the clamping cover 22 is clamped. The mounting seat 21 is rotatably connected with a clamping block 46, the clamping block 46 is fixed with a clamping spring 47, one end of the clamping spring 47 is fixed to the clamping block 46, and the other end is fixed to the mounting seat 21, and the clamping spring 47 drives the clamping block 46 to protrude from the surface of the mounting seat 21. The clamping cover 22 is provided with a containing groove 48 for clamping the clamping block 46, and when the clamping cover 22 is located in the containing groove 48, the clamping cover 22 is firmly clamped in the clamping groove 42.

[0048] Referring to Figure 1 , Figure 5 , Figure 7 One end of the mounting seat 21 close to the blade 3 is fixed with a grass cover 51. The mounting seat 21 is clamped with a grass clippings collection box 52 at the bottom, and the grass clippings collection box 52 is used for collecting grass clippings or broken branches after the blade 3 is trimmed. The surfaces of the two sides of the mounting seat 21 close to the grass clippings collection box 52 are respectively vertically arranged with a plurality of grooves 74, the grass clippings collection box 52 is provided with an abutting block 91, and the grooves 74 are used for clamping the abutting block 91. The bottom of the mounting seat 21 is rotatably connected with a collection box clamping block 53, the collection box clamping block 53 is fixed with a clamping spring 54, one end of the clamping spring 54 is fixed to the collection box clamping block 53, and the other end is fixed to the mounting seat 21, and the clamping spring 54 drives the collection box clamping block 53 to rotate away from the mounting seat 21. The grass clippings collection box 52 is provided with a clamping groove 55, and when the clamping spring 54 drives the collection box clamping block 53 to be clamped in the clamping groove 55, the grass clippings collection box 52 is installed.

[0049] Referring to Figure 1 , Figure 4 , Figure 8 The handle 1 is rotatably connected with a limiting clamping block 56, the limiting clamping block 56 is fixed with a limiting spring 57, one end of the limiting spring 57 is fixed to the limiting clamping block 56, and the other end is fixed to the handle 1. The limiting spring 57 drives the limiting clamping block 56 to protrude from the surface of the handle 1. The mounting seat 21 is provided with a limiting groove 58, the limiting spring 57 drives the limiting clamping block 56 to be clamped in the limiting groove 58, and the handle 1 is installed.

[0050] Referring to Figure 1 , Figure 9 , Figure 10 , the combined multifunctional garden trimming tool further comprises a roller assembly 6, which comprises a fixing frame 61, an axle 62 and two rollers 63 fixed on both sides of the axle 62, and the fixing frame 61 is provided with a mounting groove 71, and the axle 62 penetrates through the mounting groove 71 and is rotationally connected in the mounting groove 71. The roller assembly 6 further comprises a mounting lock button 64, which comprises a lock column 641 and a locking block 642, and the mounting seat 21 is provided with a mounting hole 72, and the fixing frame 61 is provided with a through hole 8 through which the lock column 641 penetrates. The roller assembly 6 further comprises a limiting assembly 65, which comprises a tension spring 651 and a limiting ring 652, and the tension spring 651 is sleeved on the lock column 641, and the radius of the tension spring 651 is greater than that of the through hole 8. The limiting ring 652 is arranged at one end of the lock column 641 away from the through hole 8, and the radius of the limiting ring 652 is greater than that of the tension spring 651. The locking block 642 penetrates through the mounting hole 72 and the through hole 8, the lock column 641 is rotationally and slidingly connected in the through hole 8, and when the locking block 642 is rotated to abut against the lawn mower body, the installation of the roller assembly 6 is completed.

[0051] Referring to Figure 1 , Figure 5 , Figure 10 , a plurality of U-shaped clamping grooves 7355 are vertically arranged on the surface of the fixing frame 61 and are communicated with the mounting groove 71, and the axle 62 is clamped and rotationally connected in the U-shaped clamping grooves 7355; the roller assembly 6 further comprises a tension spring 66, one end of which is fixed to the fixing frame 61 and the other end of which is fixed to the axle 62, and the tension spring 66 drives the axle 62 to firmly abut against the groove bottom of the U-shaped clamping grooves 7355.

[0052] The implementation principle of the combined multifunctional garden trimming tool is that when the garden trimming tool is assembled, the handle 1 is clamped in the mounting seat 21, the roller assembly 6 is installed on the mounting seat 21 through the mounting lock button 64, the grass clippings collecting box 52 is clamped on the mounting seat 21 through the collecting box clamping block 53 and the groove 74, and the grass cutting gear 3141 of the grass cutting knife assembly 31 or the branch trimming gear 3241 of the branch trimming knife assembly 32 is installed in mesh with the inner surface of the inner and outer gears 413, so that the installation is convenient, and then the clamping cover 22 is clamped in the clamping groove 42 to complete the installation. The clamping cover 22 is detachably arranged, and when the clamping cover 22 needs to be disassembled, it only needs to be pushed away after being pressed to make the clamping cover 22 disengage from the clamping groove 42. The grass cutting knife assembly 31 or the branch trimming knife assembly 32 can be replaced, and then the inner and outer gears 413 are re-aligned and installed in mesh with the inner surface, so that the garden trimming tool realizes the functions of grass cutting and branch trimming, and the garden product has various functions.

[0053] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A combined multifunctional garden trimmer comprising a handle (1), a base (2) and a blade (3), characterized in that: The base (2) includes a mounting seat (21) and a clamping cover (22), the mounting seat (21) is arranged at one end of the handle (1), the blade (3) includes a grass cutter assembly (31) and a pruning knife assembly (32), the mounting seat (21) is provided with a driving mechanism (41), the grass cutter assembly (31) or the pruning knife assembly (32) is selectively mounted in the mounting seat (21), and the driving mechanism (41) drives the grass cutter assembly (31) or the pruning knife assembly (32) to work; the mounting seat (21) is provided with a clamping groove (42) on the side close to the grass cutter assembly (31), the clamping cover (22) is clamped in the clamping groove (42), the grass cutter assembly (31) or the pruning knife assembly (32) is limited between the clamping cover (22) and the mounting seat (21), and the clamping cover (22) is detachably arranged.

2. The combination multi-functional trimmer garden tool according to claim 1, wherein: The clamping cover (22) is provided with a plurality of L-shaped blocks (43) on the side close to the mounting seat (21), the L-shaped blocks (43) are oppositely arranged, the clamping groove (42) is limited by the limit blocks (44) on the opposite sides, the limit blocks (44) are provided with placing grooves (45), the placing grooves (45) are used for the L-shaped blocks (43) to pass through, the L-shaped blocks (43) pass through the placing grooves (45), when the clamping cover (22) slides to the inner wall of the L-shaped blocks (43) and abuts against the inner surface of the limit blocks (44), the clamping cover (22) is clamped.

3. The combination multi-purpose trimmer garden tool according to claim 2, wherein: The mounting seat (21) is rotatably provided with a clamping block (46), the clamping block (46) is provided with a clamping spring (47), one end of the clamping spring (47) is fixed to the clamping block (46), and the other end is fixed to the mounting seat (21), the clamping spring (47) drives the clamping block (46) to protrude from the surface of the mounting seat (21), the clamping cover (22) is provided with a containing groove (48) for clamping the clamping block (46), and when the clamping cover (22) is located in the containing groove (48), the clamping cover (22) is firmly clamped in the clamping groove (42).

4. The combination multi-purpose trimmer garden tool of claim 1, wherein: The grass cutting blade set (31) comprises a first grass cutting blade (311), a second grass cutting blade (312), a third grass cutting blade (313) and a grass cutting rotating assembly (314), the first grass cutting blade (311), the second grass cutting blade (312) and the third grass cutting blade (313) are arranged from top to bottom, the grass cutting rotating assembly (314) comprises a grass cutting gear (3141), a first cam (3142) and a second cam (3143) fixed to the bottom of the grass cutting gear (3141), the driving mechanism (41) drives the grass cutting gear (3141) to rotate, the grass cutting gear (3141) is rotationally connected to the third grass cutting blade (313), the protruding ends of the first cam (3142) and the second cam (3143) are located at the two ends of the grass cutting gear (3141) in the radial direction, the top surface of the first grass cutting blade (311) away from the grass cutting end is provided with a first rotating groove (3150) for the rotation of the first cam (3142), the top surface of the second grass cutting blade (312) away from the grass cutting end is provided with a second rotating groove (3160) for the rotation of the second cam (3143), the first grass cutting blade (311), the second grass cutting blade (312) and the third grass cutting blade (313) are rotationally connected to a positioning shaft (3170), the positioning shaft (3170) is located on the side of the first rotating groove (3150) close to the grass cutting end of the first grass cutting blade (311), and the driving mechanism (41) drives the first grass cutting blade (311) and the second grass cutting blade (312) to reciprocally deflect left and right along the positioning shaft (3170) to realize grass cutting through the first cam (3142) and the second cam (3143).

5. The combination multi-purpose trimmer garden tool of claim 4, wherein: The pruning blade set (32) comprises a first pruning blade (321), a second pruning blade (322), a fixing member (323) and a pruning rotating assembly (324), the first pruning blade (321) and the second pruning blade (322) are identical in structure, the first pruning blade (321) and the second pruning blade (322) are arranged in staggered overlap from top to bottom, the pruning rotating assembly (324) comprises a pruning gear (3241), a third cam (3242) and a fourth cam (3243) fixed on the pruning gear (3241), the driving mechanism drives the pruning gear (3241) to rotate, the protruding ends of the third cam (3242) and the fourth cam (3243) are located at the two ends of the radial direction of the mowing gear (3141), the top surface of the first pruning blade (321) away from the pruning end is provided with a third rotating groove (3250) for the rotation of the third cam (3242), the top surface of the second pruning blade (322) away from the pruning end is provided with a fourth rotating groove (3260) for the rotation of the fourth cam (3243), the fixing member (323) is provided with two, the first pruning blade (321) and the second pruning blade (322) are located between the two fixing members (323), the two fixing members (323) are fixed by bolts, the bolts pass through the first pruning blade (321) and the second pruning blade (322), a plurality of through grooves (3270) for the bolts to pass through are formed on the first pruning blade (321) and the second pruning blade (322), pruning grooves (3280) are formed on the first pruning blade (321) and the second pruning blade (322), the driving mechanism (41) drives the first pruning blade (321) and the second pruning blade (322) to reciprocally slide in the through grooves (3270) to realize pruning through the third cam (3242) and the fourth cam (3243).

6. The combination multi-purpose trimmer garden tool of claim 5, wherein: The driving mechanism (41) comprises a motor (411) and a gear box (412), the input end of the gear box (412) is coaxially arranged on the output end of the motor (411), the output end of the gear box (412) is engaged with an inner and outer gear (413), the outer surface of the inner and outer gear (413) is engaged with the output end of the gear box (412), and the inner surface of the inner and outer gear (413) is engaged with the mowing gear (3141) or the pruning gear (3241).

7. The combination multi-purpose trimmer garden tool of claim 1, wherein: The mounting seat (21) is provided with a grass cover (51) near one end of the blade (3).

8. The combination multi-purpose trimmer garden tool of claim 1, wherein: The mounting seat (21) is provided with a grass clippings collection box (52) at the bottom, which is used for collecting grass clippings or small branches after pruning by the blade (3).

9. The combination multi-purpose trimmer garden tool of claim 8, wherein: The two side surfaces of the mounting seat (21) near the grass clippings collection box (52) are respectively vertically arranged with a plurality of grooves (74), and the grooves (74) are used for clamping the grass clippings collection box (52).

10. The combination multi-purpose trimmer garden tool of claim 1, wherein: The handle (1) is provided with a limiting block (56), the limiting block (56) is provided with a limiting spring (57), one end of the limiting spring (57) abuts against the limiting block (56), the other end abuts against the handle (1), the limiting spring (57) drives the limiting block (56) to protrude from the surface of the handle (1), the handle (1) is clamped in the mounting seat (21), the mounting seat (21) is provided with a limiting groove (58), when the limiting block (56) is clamped in the limiting groove (58) driven by the limiting spring (57), the handle (1) is installed.