Multipurpose orchard shear device

Abstract

The utility model provides a multipurpose orchard shear device which comprises a handheld outer machine shell, a power output assembly, a transmission assembly, a shearing execution assembly, a shearing shell, a tool bit piece and a shearing transmission mechanism, the tail end of the tool bit piece is in transmission fit with the shearing transmission mechanism, and the shearing transmission mechanism comprises a ratchet wheel cam transmission piece. The ratchet cam transmission part is matched with the movable part of the tool bit part through a guide groove, the ratchet end of the ratchet cam transmission part perpendicularly extends out of the upper end face of the shearing shell, and a buckle set is arranged on the side edge of the shearing shell and used for being detachably matched with the corresponding end face of the front end of the handheld outer machine shell in a clamped mode; the transmission assembly located in the handheld outer shell comprises a transmission gear set, the output end of the transmission gear set is provided with a concave ratchet wheel used for outputting rotation action, the concave ratchet wheel and the middle shaft protrude out of the handheld outer shell, and in the state that the shearing shell and the handheld outer shell are buckled, the concave ratchet wheel is matched with the ratchet wheel end of the ratchet wheel cam transmission piece in a concave-convex mode. Therefore, rotation motion conduction is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to horticultural equipment technical field, specifically, it relates to a multi -purpose gardening shears device. BACKGROUND

[0002] Gardening shears are a kind of most commonly used horticultural cutting tools, can be divided into several major categories of equipment such as grass shears, pruning machine, crown trimming machine according to different purposes, and the distinction of gardening shears purposes mainly reflects the difference of cutter head blade, and the structure for providing power to cutter head has no essential difference, therefore, to avoid the waste of equipment cost, the structure that cutter head can be replaced is designed, but the cutter head replacement structure currently mostly needs to carry out the disassembly replacement installation of equipment execution end relevant structure, involves multiple cooperation assembly structure and transmission structure, therefore the deficiency of this kind of design mainly reflects: more material parts, complex process, and high production cost, and due to the complexity of disassembly replacement structure, it is not conducive to long-term maintenance use.

[0003] In summary, the existing detachable and replaceable gardening shears equipment has the technical problems of complex process structure, inconvenient operation and high cost. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the existing detachable and replaceable gardening shears equipment has the technical problems of complex process structure, inconvenient operation and high cost.

[0005] To solve the above problems, the utility model provides a multi -purpose gardening shears device, including handheld outer casing, power output assembly, transmission assembly and shearing execution component, the shearing execution component includes shearing shell, cutter head spare and shearing transmission mechanism, the tail end of cutter head spare is transmission cooperation with shearing transmission mechanism, shearing transmission mechanism includes ratchet cam transmission spare, the movable part of ratchet cam transmission spare is matched with the guide groove of cutter head spare to drive the reciprocating motion of the movable part of cutter head spare, the ratchet end of ratchet cam transmission spare is vertically stretched from the upper end surface of shearing shell, the side edge of shearing shell is provided with buckle group, is used for with the detachable joint cooperation of the corresponding end surface of handheld outer casing front end, the transmission assembly in handheld outer casing includes transmission gear set, the output end of transmission gear set is provided with the recessed ratchet for outputting rotary action, recessed ratchet and middle shaft protrude in handheld outer casing, in the state that shearing shell and handheld outer casing buckle, recessed ratchet and the ratchet end of ratchet cam transmission spare are concave-convex cooperation to realize rotary action transmission.

[0006] The utility model provides a kind of multi-purpose gardening shears device, which is optimized based on the existing replaceable gardening shears overall structure. The shearing shell is provided with a part of transmission assembly, i.e., a shearing transmission mechanism. The transmission assembly can directly form a transmission cooperation with the transmission gear set in the handheld outer shell part through assembly. The shearing transmission mechanism has a ratchet cam structure, and part of the ratchet protrudes from the upper end of the shearing shell. A buckle set is arranged on the side edge of the shearing shell. The structure can directly and conveniently form a stable mounting cooperation with the handheld outer shell on the structure. Based on the structure combination of the two parts through the buckle, the ratchet part in the shearing shell can form a transmission cooperation with the concave ratchet of the transmission assembly in the handheld outer shell. The execution part of the multi-purpose gardening shears can be conveniently disassembled and replaced. Compared with the existing design, the structure involved in the replacement is greatly simplified, and the technical problems of complex process structure, inconvenient operation and high cost of the existing replaceable gardening shears equipment are effectively solved.

[0007] As a preferred scheme, the outer edge of the concave ratchet is integrally connected with an output gear, the output gear is engaged with other gears of the transmission gear set, the center of the concave ratchet is provided with a protruding positioning central axis, and the center position of the ratchet of the ratchet cam transmission part is provided with a positioning insertion hole. In the buckling state of the shearing shell and the handheld outer shell, the positioning central axis and the positioning insertion hole are concave-convex matched.

[0008] The design optimizes the design of the cooperation structure around the concave ratchet in the handheld outer shell. The concave ratchet is directly connected with one gear in the transmission gear set as a whole. The gear is coaxial with the concave ratchet. The rotation of the concave ratchet can be directly driven through the linkage of the gear set, which simplifies the transmission structure. The insertion cooperation between the positioning central axis and the positioning insertion hole ensures the coaxial cooperation accuracy of the ratchet and the concave ratchet in the two separate shell structures.

[0009] As a preferred scheme, the handheld outer shell includes a butt joint plate at the front end and the shearing shell. The butt joint plate is provided with a plug at the edge of the plate surface. The position and number of the plug correspond to the buckle set. In the buckling state of the shearing shell and the handheld outer shell, the plug is buckled with the buckle set. The design optimizes the shape butt joint cooperation structure between the shearing shell and the handheld outer shell. To ensure the integrity of the butt joint position structure of the handheld outer shell and facilitate the butt joint with the shearing shell structure, a butt joint plate is arranged at the front end of the handheld outer shell. The side end face and the outer edge of the butt joint plate are fixedly positioned with the shell of the handheld outer shell. The other side end face is provided with a protruding plug. The plug cooperates with the buckle set to form a buckling connection convenient for disassembly.

[0010] As a preferred solution, the buckle group comprises press buckles symmetrically installed on both sides of the shearing shell and return springs connected to the inner end of the press buckles, for returning the press buckles to the outside after being pressed to be unlocked, and the press buckles are provided with a buckling hole in the middle, the shape of the buckling hole is matched with the concave-convex of the plug to achieve locking. This design optimizes the specific structural design of the buckle group, and the main structure is the press buckle with a buckling hole in the middle. The press direction of the buckle is to press inward from both sides of the shearing shell. In the state of pressing inward, the plug is unlocked, and in the state of being pushed outward by the spring, it is locked.

[0011] As a preferred solution, a limiting shaft is vertically fixed on the handheld outer shell, the end of the limiting shaft is towards the shearing shell and extends out of the handheld outer shell, and a limiting hole is arranged on the docking plate at a position aligned with the limiting shaft. In the state of buckling the shearing shell and the handheld outer shell, the limiting shaft is sunk into the limiting hole to form limiting.

[0012] This design optimizes the cooperation between the handheld outer shell part and the shearing part, and improves the accuracy of positioning. Specifically, a vertically protruding limiting shaft is arranged at the end of the handheld outer shell towards the shearing part, and a limiting hole is arranged at the corresponding position of the shearing shell. When the shearing execution assembly and the handheld outer shell part are buckled, the limiting shaft can be directly inserted into the limiting hole, and the structure assists positioning.

[0013] As a preferred solution, the cutter head part comprises a fixed cutter part and a movable cutter part, the fixed cutter part is fixedly installed with the shearing shell, and the end face of the fixed cutter part is provided with a positioning shaft, the positioning shaft is rotationally connected with the center of the ratchet wheel of the ratchet cam transmission part, the guide groove is located at the end of the movable cutter part, the positioning shaft is located in the guide groove, the guide groove is long and narrow in shape, and the long axis of the guide groove is perpendicular to the relative movement direction between the fixed cutter part and the movable cutter part. This design optimizes the design of the cutter head in the shearing execution assembly. Due to the working requirements of the shearing action, the cutter head part is mainly divided into two parts, the fixed cutter part and the movable cutter part. One of the two parts is fixed with the shearing shell, and the other part is driven and matched with the ratchet cam transmission part through the guide groove. The cooperation between the long and narrow waist-shaped structure of the guide groove and the cam realizes the driving of the movable cutter head.

[0014] As a preferred solution, a guide frame is buckled and fixed above the guide groove, the inner edge of the guide frame is consistent with the groove shape of the guide groove, for increasing the groove depth of the guide groove and improving the stability of the cooperation between the guide groove and the cam part of the ratchet cam transmission part. This design optimizes the structure of the guide groove. In order to ensure the stability of the structural cooperation between the guide groove and the cam, the guide frame with the same shape as the guide groove is installed to increase the depth of the guide groove on the movable cutter head, so as to improve the stability of motion transmission.

[0015] As a preferred scheme, the fixed knife part is provided with a raised limiting boss on the side end face facing the moving knife part, the moving knife part is provided with a limiting long slot at the position matched with the limiting boss, and the length direction of the limiting long slot is parallel to the relative movement direction between the fixed knife part and the moving knife part. The design further optimizes the structural cooperation between the moving knife head and the fixed knife head, and the limiting long slot and the limiting boss are arranged in the structure, the limiting boss is accommodated in the limiting long slot, and through the structure, the moving knife head and the fixed knife head can stably track relative movement to perform a shearing action.

[0016] As a preferred scheme, the handheld outer shell includes a shell front cavity for accommodating the transmission assembly, the power output assembly includes an output motor located in the shell front cavity, and further includes a battery pack for providing working power of the output motor, and the handheld outer shell is provided with a battery compartment for accommodating the battery pack at the other end opposite to the shell front cavity. The design further optimizes the overall structural design of the handheld outer shell, and the motor is arranged at one end to connect the execution assembly, and the battery pack is arranged at the other end, so that the balance of the counterweight can be guaranteed, and the stable operation action can be well ensured.

[0017] As a preferred scheme, the handheld outer shell is provided with a handle part between the shell front cavity and the battery compartment, and the handle part is provided with a switch mechanism for controlling the power supply output of the battery pack. The design optimizes the structural design of the handheld outer shell, improves the handheld convenience through the handle part, and sets the switch on the handle to facilitate handheld operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic diagram of a multi-purpose garden shears device in a disassembled state is provided in the utility model.

[0019] Figure 2 A Figure 1 A shearing execution assembly structure schematic diagram of the multi-purpose garden shears device in the utility model is provided.

[0020] Figure 3 A Figure 2 A disassembled structure schematic diagram of the shearing execution assembly in the utility model is provided.

[0021] Figure 4 A Figure 1 A bottom structure schematic diagram of a handheld part of the multi-purpose garden shears device in the utility model is provided.

[0022] Figure 5 A Figure 1 A disassembled structure schematic diagram of the handheld part of the multi-purpose garden shears device in the utility model is provided.

[0023] Among them, Figures 1-5 In the utility model:

[0024] 1, hand-held outer shell; 2, concave ratchet; 3, shearing shell; 4, ratchet cam transmission; 5, press fastener; 6, moving cutter; 7, fixed cutter; 8, buckling socket; 9, limiting boss; 10, limiting long slot; 11, positioning socket; 12, limiting socket; 13, guide frame; 14, guide groove; 15, return spring; 16, butt plate; 17, plug; 18, limiting shaft; 19, positioning shaft; 20, cutter sleeve; 21, transmission gear set; 22, output motor; 23, battery pack; 24, switch mechanism; 25, shell front cavity; 26, battery compartment. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] Before the working principle of the utility model is described in detail, the description of the utility model needs to be further explained: in the description of the utility model, it should be pointed out that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be direct connection, can be indirect connection through intermediate medium, or can be two elements welded connection. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Reference Figures 1-5 The following examples are described as follows, Figure 1 A structure schematic diagram of the multi-purpose garden shears device in disassembled state is provided in the utility model; Figure 2 In the utility model, Figure 1 A shearing execution assembly structure schematic diagram of the multi-purpose garden shears device is provided in the utility model; Figure 3 In the utility model, Figure 2 A disassembled structure schematic diagram of the shearing execution assembly is provided in the utility model; Figure 4 In the utility model, Figure 1 A bottom structure schematic diagram of the handheld part of the multi-purpose garden shears device is provided in the utility model;Figure 5 For Figure 1 The exploded view of the hand-held part of the multi-purpose garden shears device.

[0029] The multi-purpose garden shears device provided in the embodiment comprises a hand-held outer casing 1, a power output assembly, a transmission assembly and a shearing execution assembly, the shearing execution assembly comprises a shearing shell 3, a cutter head and a shearing transmission mechanism, the end of the cutter head is in transmission cooperation with the shearing transmission mechanism, the shearing transmission mechanism comprises a ratchet cam transmission part 4, the ratchet cam transmission part 4 is matched with the movable part of the cutter head through a guide groove 14 to drive the movable part of the cutter head to reciprocate, the ratchet end of the ratchet cam transmission part 4 vertically extends from the upper end surface of the shearing shell 3, the side edge of the shearing shell 3 is provided with a buckle group for detachable clamping cooperation with the corresponding end surface of the front end of the hand-held outer casing 1, the transmission assembly located in the hand-held outer casing 1 comprises a transmission gear set 21, the output end of the transmission gear set 21 is provided with a concave ratchet 2 for outputting a rotary action, the concave ratchet 2 and the middle shaft protrude from the hand-held outer casing 1, in the state that the shearing shell 3 is buckled with the hand-held outer casing 1, the concave ratchet 2 is in concave-convex cooperation with the ratchet end of the ratchet cam transmission part 4 to realize transmission of the rotary action.

[0030] The multi-purpose garden shears device provided by the utility model is optimized on the basis of the existing garden shears which can be assembled and replaced, part of the transmission assembly, i.e., the shearing transmission mechanism, is arranged in the shearing shell 3, and the transmission gear set 21 of the transmission assembly in part of the hand-held outer casing 1 can be directly formed in transmission cooperation through assembly, wherein the shearing transmission mechanism has the structure of a ratchet cam, part of the ratchet of the ratchet cam extends on the upper end of the shearing shell 3, and the buckle group is arranged on the side edge of the shearing shell 3, the hand-held outer casing 1 can be directly and stably formed in mounting cooperation through the structure, on the basis that the two parts are combined through buckling, the part of the ratchet located in the shearing shell 3 can be exactly formed in transmission cooperation with the concave ratchet 2 of the transmission assembly located in the hand-held outer casing 1, the execution part of the multi-purpose garden shears can be conveniently disassembled and replaced, the structure involved in the replacement of the structure is greatly simplified compared with the existing design, and the technical problems that the existing garden shears which can be disassembled and replaced have complex process structures, inconvenient operation and high cost are effectively solved.

[0031] In the technical scheme provided in the embodiment, the outer edge of the concave ratchet 2 is integrally connected with an output gear, the output gear is in mesh with other gears of the transmission gear set 21, the center of the concave ratchet 2 is provided with a protruding positioning middle shaft 19, the center position of the ratchet of the ratchet cam transmission part 4 is provided with a positioning insertion hole 11, and in the state that the shearing shell 3 is buckled with the hand-held outer casing 1, the positioning middle shaft 19 is in concave-convex cooperation with the positioning insertion hole 11.

[0032] The design optimizes the design of the matching structure around the concave ratchet wheel 2 in the handheld outer shell 1, and makes it directly connected with a gear in the transmission gear set 21, which is coaxial with the concave ratchet wheel 2, and can directly drive the rotation of the concave ratchet wheel 2 through the linkage of the gear set, simplifying the transmission structure, and through the plug-in cooperation between the positioning central shaft 19 and the positioning insertion hole 11, the coaxial cooperation accuracy of the ratchet wheel and the concave ratchet wheel 2 located in the two separate shell structures is ensured.

[0033] In the technical scheme provided by the embodiment, the handheld outer shell 1 includes an abutting plate 16 located at the front end and abutting with the shearing shell 3, the edge of the plate surface of the abutting plate 16 is provided with a plug 17, the position and number of the plug 17 correspond to the buckle set, and the plug 17 is clamped with the buckle set in the state that the shearing shell 3 is buckled with the handheld outer shell 1. The design optimizes the shape abutting and matching structure between the shearing shell 3 and the handheld outer shell 1, in order to ensure the integrity of the abutting position structure of the handheld outer shell 1 and facilitate the abutting of the shearing shell 3 structure, the abutting plate 16 is arranged at the front end of the handheld outer shell 1, one side end surface and the outer edge of the abutting plate 16 are fixedly positioned with the shell of the handheld outer shell 1, and the other side end surface is provided with a protruding plug 17, which is matched with the buckle set to form a buckling connection convenient for disassembly.

[0034] In the technical scheme provided by the embodiment, the buckle set includes a pressing buckle 5 symmetrically installed on both sides of the shearing shell 3 and a reset spring 15 connected to the inward end of the pressing buckle 5, which is used to reset the pressing buckle 5 outward after pressing and unlocking, the middle of the pressing buckle 5 is provided with a buckling insertion hole 8, and the shape of the buckling insertion hole 8 is matched with the concave-convex of the plug 17 to realize locking. The design optimizes the specific structure design of the buckle set, and the main structure is the pressing buckle 5 with the buckling insertion hole 8 in the middle. The pressing direction of the buckle is inward pressing from both sides of the shearing shell 3, and the buckle is unlocked in the state of inward pressing and locked in the state of being pushed outward by the spring.

[0035] In the technical scheme provided by the embodiment, the handheld outer shell 1 is vertically fixed with a limiting shaft 18, the end of the limiting shaft 18 is towards the shearing shell 3 and extends out of the handheld outer shell 1, and the abutting plate 16 is provided with a limiting insertion hole 12 at the position aligned with the limiting shaft 18, so that the limiting shaft 18 is sunk into the limiting insertion hole 12 to form limiting in the state that the shearing shell 3 is buckled with the handheld outer shell 1.

[0036] The design optimizes the cooperation between the handheld outer shell 1 and the shearing part, and improves the positioning accuracy. Specifically, the limiting shaft 18 is vertically protruded at the end of the handheld outer shell 1 towards the shearing part, the limiting insertion hole 12 is arranged at the corresponding position of the shearing shell 3, and the limiting shaft 18 can be directly inserted into the limiting insertion hole 12 when the shearing execution assembly is buckled with the handheld outer shell 1 part, so as to assist the positioning through such a structure.

[0037] In the technical scheme provided by the embodiment, the cutter head member includes a fixed cutter member 7 and a movable cutter member 6, the fixed cutter member 7 is positioned and installed with the shearing shell 3, the fixed cutter member 7 is provided with a positioning shaft on an end face, the positioning shaft is rotationally connected with a ratchet wheel center of the ratchet cam transmission member 4, a guide groove 14 is located at an end of the movable cutter member 6, the positioning shaft is located in the guide groove 14, the guide groove 14 is in a long and narrow waist shape, and a long axis of the guide groove 14 is perpendicular to a relative movement direction between the fixed cutter member 7 and the movable cutter member 6. The design optimizes the design of the cutter head in the shearing execution assembly. Due to the working requirement of the shearing action, the cutter head member is mainly divided into the fixed cutter member 7 and the movable cutter member 6. One of the two is fixed with the shearing shell 3, and the other is driven and matched with the ratchet cam transmission member 4 through the guide groove 14. The driving of the movable cutter head is realized through the matching between the long and narrow waist structure of the guide groove 14 and the cam. In addition, in order to protect the cutter head member in a non-working state, a cutter member sleeve 20 is preferably added to avoid unnecessary wear of the cutter.

[0038] In the technical scheme provided by the embodiment, a guide frame body 13 is fixedly buckled above the guide groove 14, an inner edge shape of the guide frame body 13 is consistent with a groove shape of the guide groove 14, and the guide frame body 13 is used for increasing a groove depth of the guide groove 14 and improving the stability of the matching between the guide groove 14 and a cam portion of the ratchet cam transmission member 4. The design optimizes the structure of the guide groove 14. In order to ensure the stability of the structural matching between the guide groove 14 and the cam, the guide frame body 13 with the same installation shape as the guide groove 14 is installed to increase the depth of the guide groove 14 on the movable cutter head, so as to improve the stability of the motion transmission.

[0039] In the technical scheme provided by the embodiment, the fixed cutter member 7 is provided with a protruding limiting boss 9 on a side end face facing the movable cutter member 6, the movable cutter member 6 is provided with a limiting long groove 10 at a position matched with the limiting boss 9, and a length direction of the limiting long groove 10 is parallel to a relative movement direction between the fixed cutter member 7 and the movable cutter member 6. The design further optimizes the structural matching between the movable cutter head and the fixed cutter head. The limiting long groove 10 and the limiting boss 9 are provided in the structure. The limiting boss 9 is accommodated in the limiting long groove 10. Through such a structure, the movable cutter head and the fixed cutter head can stably track relative movement to perform a shearing action.

[0040] In the technical scheme provided by the embodiment, the handheld outer machine shell 1 includes a shell front cavity 25 for accommodating a transmission assembly. The power output assembly includes an output motor 22 located in the shell front cavity 25, and further includes a battery pack 23 for providing working electric energy of the output motor 22. The handheld outer machine shell 1 is provided with a battery compartment 26 for accommodating the battery pack 23 at the other end opposite to the shell front cavity 25. The design further optimizes the overall structural design of the handheld outer machine shell 1. One end is provided with a motor connected execution assembly, and the other end is provided with the battery pack 23. Such a structure can ensure the balance of the counterweight and can well stabilize the operation action.

[0041] In the technical scheme provided by the embodiment, the handheld outer shell 1 is provided with a handle part between the shell front cavity 25 and the battery compartment 26, and the handle part is provided with a switch mechanism 24 for controlling the power supply output of the battery pack 23. The design optimizes the structural design of the handheld outer shell 1, improves the handheld convenience through the handle part, and sets the switch on the handle, thereby facilitating the handheld operation.

[0042] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the present disclosure.

Claims

1. A multi-purpose garden shears apparatus comprising a hand-held outer casing (1), a power output assembly, a transmission assembly and a shearing execution assembly, characterised in that, The shearing execution assembly comprises a shearing shell (3), a cutter head piece and a shearing transmission mechanism, the end of the cutter head piece is in transmission cooperation with the shearing transmission mechanism, the shearing transmission mechanism comprises a ratchet cam transmission piece (4), the movable part of the cutter head piece is matched with the ratchet cam transmission piece (4) through a guide groove (14) to drive the movable part of the cutter head piece to reciprocate, the ratchet end of the ratchet cam transmission piece (4) vertically extends from the upper end surface of the shearing shell (3), the side edge of the shearing shell (3) is provided with a buckle group for detachable clamping cooperation with the corresponding end surface of the front end of the handheld outer shell (1), the transmission assembly in the handheld outer shell (1) comprises a transmission gear set (21), the output end of the transmission gear set (21) is provided with a concave ratchet wheel (2) for outputting a rotary action, the concave ratchet wheel (2) and the middle shaft protrude from the handheld outer shell (1), in the state that the shearing shell (3) and the handheld outer shell (1) are buckled, the concave ratchet wheel (2) is in concave-convex cooperation with the ratchet end of the ratchet cam transmission piece (4) to realize rotary action transmission.

2. The multi-purpose garden shears device according to claim 1, wherein, The outer edge of the concave ratchet wheel (2) is integrally formed with an output gear, the output gear is in mesh with other gears of the transmission gear set (21), the center of the concave ratchet wheel (2) is provided with a protruding positioning middle shaft (19), the ratchet center position of the ratchet cam transmission piece (4) is provided with a positioning insertion hole (11), in the state that the shearing shell (3) and the handheld outer shell (1) are buckled, the positioning middle shaft (19) is in concave-convex cooperation with the positioning insertion hole (11).

3. The multi-purpose garden pruning device of claim 2, wherein, The handheld outer shell (1) comprises an abutting plate (16) located at the front end and abutting with the shearing shell (3), the edge of the plate surface of the abutting plate (16) is provided with a plug (17), the position and number of the plug (17) correspond to the buckle group, in the state that the shearing shell (3) and the handheld outer shell (1) are buckled, the plug (17) is clamped with the buckle group.

4. The multi-purpose garden pruning device of claim 3, wherein, The buckle group comprises a pressing buckle (5) symmetrically installed on both sides of the shearing shell (3) and a reset spring (15) connected with the inward end of the pressing buckle (5), for resetting the pressing buckle (5) to the outside after pressing and unlocking, the middle part of the pressing buckle (5) is provided with a buckling insertion hole (8), the buckling insertion hole (8) is in concave-convex cooperation with the plug (17) to realize locking.

5. The multi-purpose garden pruning device according to claim 3 or 4, wherein, A limiting shaft (18) is vertically fixed on the handheld outer shell (1), the end of the limiting shaft (18) is towards the shearing shell (3) and extends out of the handheld outer shell (1), a limiting insertion hole (12) is provided on the abutting plate (16) at the position aligned with the limiting shaft (18), in the state that the shearing shell (3) and the handheld outer shell (1) are buckled, the limiting shaft (18) sinks into the limiting insertion hole (12) to form limiting.

6. The multi-purpose garden pruning device of claim 5, wherein, The cutter head piece includes a fixed cutter piece (7) and a moving cutter piece (6), the fixed cutter piece (7) is fixedly arranged with the shearing shell (3), the end surface of the fixed cutter piece (7) is provided with a positioning shaft, the positioning shaft is rotationally connected with the center of the ratchet wheel of the ratchet cam transmission piece (4), the guide groove (14) is located at the end of the moving cutter piece (6), the positioning shaft is located in the guide groove (14), the guide groove (14) is long and narrow and has a waist shape, and the long axis of the guide groove (14) is perpendicular to the relative movement direction between the fixed cutter piece (7) and the moving cutter piece (6).

7. The multi-purpose garden pruning device of claim 6, wherein, The guide frame (13) is fixedly buckled above the guide groove (14), the inner edge shape of the guide frame (13) is consistent with the groove shape of the guide groove (14), so as to increase the groove depth of the guide groove (14) and improve the stability of the cooperation between the guide groove (14) and the cam part of the ratchet cam transmission piece (4).

8. The multi-purpose garden shear device of claim 6, wherein, The fixed cutter piece (7) is provided with a protruding limiting boss (9) on the side end surface facing the moving cutter piece (6), the moving cutter piece (6) is provided with a limiting long groove (10) at the position matched with the limiting boss (9), and the length direction of the limiting long groove (10) is parallel to the relative movement direction between the fixed cutter piece (7) and the moving cutter piece (6).

9. The multi-purpose garden shear device of claim 1, wherein, The handheld outer shell (1) includes a shell front cavity (25) for accommodating the transmission assembly, the power output assembly includes an output motor (22) located in the shell front cavity (25), and further includes a battery pack (23) for providing working electric energy of the output motor (22), and the handheld outer shell (1) is provided with a battery compartment (26) for accommodating the battery pack (23) at the other end opposite to the shell front cavity (25).

10. The multi-purpose garden shear device of claim 9, wherein, The handheld outer shell (1) is provided with a handle part between the shell front cavity (25) and the battery compartment (26), and the handle part is provided with a switch mechanism (24) for controlling the power supply output of the battery pack (23).

Images