Double-acting pruning shears

Abstract

The utility model discloses a pair of double-acting pruning shears. Comprising a blade assembly, a support assembly and a driving device, the support assembly comprises two supports which are symmetrically arranged left and right, the blade assembly comprises a first blade, a second blade and a rotating shaft, the two ends of the rotating shaft penetrate through the front ends of the supports on the corresponding sides, and the rear end of the first blade and the rear end of the second blade are rotationally connected with the rotating shaft; a first extending piece is arranged at the rear end of the first blade, a second extending piece is arranged at the rear end of the second blade, a first connecting piece is rotatably connected to the rear end of the first extending piece, a second connecting piece is rotatably connected to the rear end of the second extending piece, a strip-shaped sliding hole is formed in the support, and a sliding shaft is arranged in the strip-shaped sliding hole. One end of the sliding shaft is rotationally connected with the first connecting piece on the corresponding side, and the other end of the sliding shaft is rotationally connected with the second connecting piece on the corresponding side. The two blades can be rotated at the same time to be opened and closed, the shearing speed is high, and the shearing effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pruning tool technical field especially relates to a double -action pruning shears. BACKGROUND

[0002] In the present garden engineering, pruning shears is a kind of tool for pruning and arranging plant branches, pruning shears can help gardener to prune trees quickly to keep the form and structure of trees, and through the proper pruning of trees, it can promote its growth, improve its wind resistance and reduce the occurrence of diseases and pests. But the existing pruning shears one side blade is fixed, and the other side blade is driven to rotate by motor to realize the opening and closing of two blades, and the cutting effect is poor. SUMMARY

[0003] The utility model discloses in order to solve above-mentioned technical problem, provide a double -action pruning shears, can rotate two blades simultaneously and open and close each other, and the cutting speed is fast, and the cutting effect is good.

[0004] In order to solve above-mentioned problem, the utility model discloses the following technical scheme to realize:

[0005] The utility model discloses a double -action pruning shears, including blade assembly, support assembly and drive arrangement, the support assembly includes two left and right symmetrical support, the support is set in drive arrangement front side, the blade assembly is located between two supports, the blade assembly includes first blade, second blade and pivot, the pivot is horizontally arranged, the pivot both ends are penetrated to the corresponding one side support front end, the first blade rear end and second blade rear end are rotatably connected with pivot, the first blade rear end is equipped with the first extension piece of downward inclination, the second blade rear end is equipped with the second extension piece of upward inclination, the first extension piece rear end is rotatably connected with the first connecting piece left and right symmetry, the second extension piece rear end is rotatably connected with the second connecting piece left and right symmetry, the support is equipped with strip slide hole, the strip slide hole is equipped with the slide axle that can slide along strip slide hole, the slide axle one end is rotatably connected with the first connecting piece of corresponding one side, the slide axle other end is rotatably connected with the second connecting piece of corresponding one side, the drive arrangement is used to drive two slide axles synchronous sliding.

[0006] In the scheme, drive arrangement drives two slide axles synchronous forward sliding, and two slide axles forward sliding drive two first connecting pieces and two second connecting pieces to move forward, and two first connecting pieces and two second connecting pieces move forward to drive first blade and second blade to rotate simultaneously and approach each other through first extension piece and second extension piece, so that first blade and second blade are closed, and the branch to be cut is cut, and the cutting effect is good.

[0007] As preferred, the strip slide hole is arranged in the front and rear direction.

[0008] As preferred, the driving device comprises a driving motor, a screw nut and a screw rod, the bracket is located at the front side of the driving motor, the screw rod is located between the two brackets, the screw rod is arranged in a front-rear direction, the screw nut is threadedly connected with the screw rod, the screw nut is fixedly connected with the slide shaft on the corresponding side at the left and right ends of the screw nut, the two slide shafts are coaxially arranged, and the screw rod is coaxially connected with the output shaft of the driving motor.

[0009] As preferred, the inner side of the bracket is provided with a guide groove, the guide groove is arranged in the same direction as the strip-shaped sliding hole, the strip-shaped sliding hole is located on the inner wall of the guide groove, and the guide groove sliding plate is sleeved on the slide shaft and can slide along the corresponding guide groove.

[0010] The output shaft of the driving motor drives the screw rod to rotate, and when the screw rod rotates, the screw nut drives the two slide shafts to slide forward along the corresponding strip-shaped sliding hole because the screw nut is fixedly connected with the two slide shafts, and the slide shaft drives the corresponding guide groove sliding plate to slide along the corresponding guide groove when the slide shaft slides.

[0011] As preferred, the output shaft of the driving motor is connected with the screw rod through a speed reduction mechanism.

[0012] As preferred, the rear end of the screw nut is further provided with a sensor for detecting the position of the screw nut.

[0013] As preferred, the trigger module comprises a trigger body and a controller, the controller is electrically connected with the driving motor, and the trigger body is electrically connected with the controller.

[0014] The driving device can automatically open and close the first blade and the second blade, so that the trimming process is efficient and the labor intensity is reduced, and the guide groove sliding plate ensures smooth sliding of the corresponding slide shaft, and avoids jamming of the slide shaft. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the utility model;

[0016] Figure 2 is Figure 1 is a structural schematic view of the utility model after removing the bracket on the left side;

[0017] Figure 3 is Figure 2 is an enlarged view of A in the utility model;

[0018] Figure 4 is an explosion view of the utility model.

[0019] In the figure: 1. Blade assembly, 11. First blade, 111. First extension piece, 112. First connecting piece, 12. Second blade, 121. Second extension piece, 122. Second connecting piece, 13. Rotary shaft, 2. Support assembly, 21. Support, 22. Strip-shaped sliding hole, 23. Sliding shaft, 3. Drive device, 31. Lead screw, 32. Lead screw nut, 4. Guide groove, 41. Guide groove slide plate, 5. Reduction mechanism, 6. Sensor, 8. Trigger body, 81. Controller. Detailed Implementation

[0020] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0021] Example: A type of double-action pruning shears in this example, such as... Figures 1 to 4 As shown, the device includes a blade assembly 1, a support assembly 2, and a drive unit 3. The support assembly 2 includes two symmetrically arranged supports 21, which are located in front of the drive unit 3. The blade assembly 1 is located between the two supports 21. The blade assembly 1 includes a first blade 11, a second blade 12, and a rotating shaft 13. The rotating shaft 13 is horizontally arranged, and both ends of the rotating shaft 13 pass through the front end of the corresponding support 21. The rear ends of the first blade 11 and the second blade 12 are rotatably connected to the rotating shaft 13. The rear end of the first blade 11 has a downwardly inclined first... The first extension piece 111 has an upwardly inclined second extension piece 121 at the rear end of the second blade 12. The rear end of the first extension piece 111 is symmetrically rotatably connected to the first connecting piece 112, and the rear end of the second extension piece 121 is symmetrically rotatably connected to the second connecting piece 122. The bracket 21 has a strip-shaped sliding hole 22, and a sliding shaft 23 that can slide along the strip-shaped sliding hole 22 is provided inside the strip-shaped sliding hole 22. One end of the sliding shaft 23 is rotatably connected to the first connecting piece 112 on the corresponding side, and the other end of the sliding shaft 23 is rotatably connected to the second connecting piece 122 on the corresponding side.

[0022] The strip-shaped sliding hole 22 is arranged in a front-to-back direction. The drive device 3 includes a drive motor, a lead screw nut 32, and a lead screw 31. The bracket 21 is located in front of the drive motor, and the lead screw 31 is located between the two brackets 21. The lead screw 31 is arranged in a front-to-back direction. The lead screw nut 32 is threadedly connected to the lead screw 31. The left and right ends of the lead screw nut 32 are fixedly connected to the corresponding sliding shaft 23. The two sliding shafts 23 are coaxially arranged. The lead screw 31 is coaxially connected to the output shaft of the drive motor.

[0023] The bracket 21 has a guide groove 4 on its inner side. The direction of the guide groove 4 is consistent with the direction of the strip-shaped sliding hole 22. The strip-shaped sliding hole 22 is located on the inner wall of the guide groove 4. The guide groove slide plate 41 is sleeved on the sliding shaft 23. The guide groove slide plate 41 can slide along the corresponding guide groove 4.

[0024] The output shaft of the drive motor is connected to the lead screw 31 through the reduction mechanism 5.

[0025] The rear end of the screw nut 32 is also provided with a sensor 6 for detecting the position of the screw nut 32.

[0026] The trigger module comprises a trigger body 8 and a controller 81, the controller is electrically connected with the driving motor, and the trigger body 8 is electrically connected with the controller 81.

[0027] In the scheme, the speed reduction mechanism is a planetary gear set, the blade assembly is close to the branch to be cut, the branch to be cut is located between the first blade and the second blade, the trigger body is pressed, the trigger body starts the driving motor through the controller, the output shaft of the driving motor drives the screw rod through the speed reduction mechanism, when the screw rod rotates, the screw nut drives the two slide shafts to slide forward along the corresponding strip-shaped sliding holes because the screw nut and the two slide shafts are fixedly connected, when the slide shafts slide, the corresponding guide groove sliding plates slide along the corresponding guide grooves, the forward sliding of the slide shafts drives the two first connecting plates and the two second connecting plates to displace forward, the two first connecting plates and the two second connecting plates drive the first blade and the second blade to rotate to each other to make the first blade and the second blade cut the branch to be cut.

[0028] After the branch is cut, the trigger body is released, the output shaft of the driving motor drives the screw rod to rotate reversely through the speed reduction mechanism, so that the screw nut and the two slide shafts move backward, and the first blade and the second blade move away from each other.

Claims

1. A double action pruning shear characterized by: The utility model provides a cutting device, including blade assembly (1), support assembly (2) and drive arrangement (3), support assembly (2) includes two left and right symmetrical support (21), support (21) is arranged in drive arrangement (3) front side, blade assembly (1) is located between two supports (21), blade assembly (1) includes first blade (11), second blade (12) and pivot (13), pivot (13) is horizontally arranged, pivot (13) both ends are through the front end of corresponding one side's support (21), first blade (11) rear end and second blade (12) rear end are rotatably connected with pivot (13), first blade (11) rear end is equipped with the first extension piece (111) of downwardly inclined, second blade (12) rear end is equipped with the second extension piece (121) of upwardly inclined, first extension piece (111) rear end left and right symmetrical rotatable connection has first connecting piece (112), second extension piece (121) rear end left and right symmetrical rotatable connection has second connecting piece (122), support (21) is equipped with strip slide hole (22), strip slide hole (22) is equipped with the slide axle (23) of the sliding of strip slide hole (22), slide axle (23) one end is rotatably connected with corresponding one side's first connecting piece (112), slide axle (23) other end is rotatably connected with corresponding one side's second connecting piece (122), drive arrangement (3) is used for driving two slide axles (23) synchronous sliding.

2. The dual action pruner of claim 1 wherein: The strip slide hole (22) is arranged in front and back.

3. The dual action pruner of claim 1 wherein: The drive arrangement (3) includes a driving motor, a screw nut (32) and a screw rod (31), the support (21) is located in front of the driving motor, the screw rod (31) is located between the two supports (21), the screw rod (31) is arranged in front and back, the screw nut (32) is threadedly connected with the screw rod (31), the screw nut (32) is fixedly connected with the slide axle (23) on the left and right ends of the corresponding side, the two slide axles (23) are coaxially arranged, and the screw rod (31) is coaxially connected with the output shaft of the driving motor.

4. The dual action pruner of claim 1 wherein: The inner side of the support (21) is provided with a guide groove (4), the guide groove (4) is arranged in the same direction as the strip slide hole (22), the strip slide hole (22) is located on the inner wall of the guide groove (4), and the guide groove sliding piece (41) is sleeved on the slide axle (23).

5. The dual action pruner of claim 3 wherein: The output shaft of the driving motor is connected with the screw rod (31) through a speed reduction mechanism (5).

6. The dual action pruner of claim 3 wherein: The rear end of the screw nut (32) is further provided with a sensor (6) for detecting the position of the screw nut (32).

7. The dual action pruner of claim 3 wherein: The utility model further includes a trigger module, the trigger module includes a trigger body (8) and a controller (81), the controller is electrically connected with the driving motor, and the trigger body (8) is electrically connected with the controller (81).

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