Foldable pruning device for garden maintenance

Abstract

The invention relates to a foldable pruning device for garden maintenance. The problems that in the prior art, a pruning tool is single in use function and low in shearing efficiency are solved. The pruning device comprises a folding connecting rod, a pruning body is arranged at one end of the folding connecting rod, a sliding driving mechanism used for driving the pruning body to be opened and closed is arranged on the folding connecting rod in a sliding mode, an extending saw body is arranged in the pruning body in a penetrating mode, and a linkage assembly which is connected with the sliding driving mechanism and is in linkage with the sliding driving mechanism is arranged at one end of the extending saw body. A folding positioning mechanism is arranged in the middle of the folding connecting rod. The multifunctional scissors have the advantages that shearing and dragsaw are integrated, the functions are rich, the shearing efficiency is effectively improved, and the multifunctional scissors are convenient to fold and carry and good in use flexibility.

Description

Technical Field

[0001] The invention relates to the technical field of gardening tools, and in particular to a foldable pruning device for garden maintenance. Background Art

[0002] At present, hand saws and scissors are commonly used for pruning high branches in gardens and urban greening, which requires manual climbing operation, especially the handling of branches close to high-voltage lines, which poses a great safety hazard to workers. In addition, there are mechanically powered hydraulic shears, which require multiple people to operate, have low work efficiency, and are difficult to meet the requirements of gardens and urban landscaping. In addition, the existing pruning devices have a single function, low cutting efficiency and are inconvenient to carry.

[0003] In order to solve the deficiencies of the prior art, people have conducted long-term exploration and proposed various solutions. For example, a Chinese patent document discloses a manual high-efficiency folding hydraulic pruner [CN 201220694049.8], which includes a scissor head, a folding rod and a manual lever-type hydraulic pump, wherein the scissor head is located at the head, the manual lever-type hydraulic pump is located at the tail, and the folding rod is connected in the middle; it also includes: a pump body, a fixed handle, a movable handle, a connecting rod, a plunger 1, a plunger 2, a unloading valve, a return spring, an oil plug, an unloading valve operating member, an unloading handle, an unloading handle mounting seat, a fixed handle insulating sleeve, a movable handle insulating sleeve, a first one-way valve, a second one-way valve, an oil suction pipe, a rubber oil bag, a vent, an oil cylinder, a piston, a piston rod, a piston return spring, a cylinder head, a support rod, a scissors, an upper arm, a lower arm, a connecting lock, a high-pressure oil pipe and an oil return pipe; when the folding lock is opened, the upper arm of the folding rod is rotated rightward along the hinge axis to make the scissor head close to one side of the pump body to complete the folding.

[0004] The above solution solves the problem of low working efficiency of the pruning device in the prior art to a certain extent, but the solution still has many shortcomings, such as: single function, low cutting efficiency and inconvenience in carrying. Summary of the invention

[0005] The purpose of the present invention is to provide a foldable garden maintenance pruning device in view of the above problems.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a foldable garden maintenance pruning device, comprising a foldable connecting rod, a pruning body is provided at one end of the foldable connecting rod, a sliding drive mechanism for driving the pruning body to open and close is slidably provided on the foldable connecting rod, an extension saw body is passed through the pruning body, and a linkage component connected to the sliding drive mechanism and linked with the sliding drive mechanism is provided at one end of the extension saw body, and a folding positioning mechanism is provided in the middle of the foldable connecting rod.

[0007] In the above-mentioned foldable garden maintenance pruning device, the pruning body includes a symmetrically arranged vertical shearing part, a symmetrically arranged pressing and cutting arc part is provided at the lower end of the vertical shearing part, and a cross-arranged linkage handle part is provided at one end of the pressing and cutting arc part away from the vertical shearing part, and the linkage handle part is rotated and positioned by a rotating connecting shaft arranged at one end of the foldable connecting rod.

[0008] In the above-mentioned foldable pruning device for garden maintenance, the sliding drive mechanism includes a sliding half-shell body arranged in an arc shape, and pruning drive rods are arranged on both sides of the sliding half-shell body. The pruning drive rod is rotatably connected and positioned with the linkage handle part at one end away from the sliding half-shell body through a rotating shaft. Symmetrically arranged sliding blocks are respectively arranged on both sides of the inner wall of the sliding half-shell body, and guide grooves for inserting the sliding blocks are arranged on both sides of the foldable connecting rod, and an anti-contact gap is provided between the inner wall of the sliding half-shell body and the foldable connecting rod.

[0009] In the above-mentioned foldable garden maintenance pruning device, a sliding drive rod is connected to the sliding half-shell, and the sliding drive rod is connected to a sliding connecting block arranged at one end of the folding connecting rod away from the pruning body. The folding connecting rod is provided with a pulling groove for the sliding connecting block to be inserted, the sliding connecting block is provided with a driving handle, and the driving handle is provided with a positioning buckle, and the folding connecting rod is provided with a locking positioning hole for the positioning buckle to be inserted.

[0010] In the above-mentioned foldable garden maintenance pruning device, the linkage assembly includes a connecting shaft arranged at the end of the extended saw body, the connecting shaft is connected to the rotating shaft on the corresponding side through a first connecting frame, a strip sliding groove is provided on the foldable connecting rod, a sliding seat is provided in the strip sliding groove, and the sliding seat is connected to the connecting shaft through a second connecting frame.

[0011] In the above-mentioned foldable garden maintenance pruning device, a positioning shaft is provided on the sliding seat, a positioning connecting rod is connected to the positioning shaft, a positioning lock is provided at the end of the positioning connecting rod away from the positioning shaft, a plurality of lock holes corresponding to the positioning lock are provided on the foldable connecting rod, and an elastic part is provided on the positioning connecting rod.

[0012] In the above-mentioned foldable garden maintenance pruning device, the foldable connecting rod has a connecting upper part and a gripping lower part. The connecting upper part and the gripping lower part are connected by a hinge shaft. An arc-shaped folding and giving way groove is provided at the hinge shaft. One side of the gripping lower part is provided with a overlapping slot that can be partially inserted into one side of the connecting upper part after folding.

[0013] In the above-mentioned foldable garden maintenance pruning device, the upper part is connected to the gripping lower part and is located at the folding recess by an elastic band, and the upper storage part and the gripping lower part are connected at the hinge axis by a pull-out structure.

[0014] In the above-mentioned foldable pruning device for garden maintenance, the folding positioning mechanism includes a positioning sleeve arranged on the outer wall of the connecting upper part, a plug-in seat is slidably provided on the lower gripping part, and a positioning plug rod is provided at one end of the plug-in seat facing the positioning sleeve for inserting into the positioning sleeve to connect and position the connecting upper part and the lower gripping part, and sliding connection grooves are provided on both sides of the circumference of the lower gripping part for sliding insertion of the circumferential inner wall of the plug-in seat.

[0015] In the above-mentioned foldable garden maintenance pruning device, a pruning tool is provided on the vertical shearing part, and a corresponding arc-shaped pressing part is provided on the extended saw body and located on the pressing arc-shaped part, and the length of the arc-shaped pressing part is greater than the length of the pressing arc-shaped part.

[0016] Compared with the prior art, the advantages of the present invention are: it combines shearing and sawing in one, and adopts the hand-pulling operation at the bottom to realize the sawing operation while shearing, thereby effectively improving the pruning efficiency, and can perform the shearing operation after sawing the branches in advance, reducing the shearing force, suitable for the shearing of large diameter branches, good flexibility in use, and can be quickly folded during daily carrying to reduce space occupancy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another perspective of the present invention; Figure 3 yes Figure 2 A magnified view of the structure at A; Figure 4 yes Figure 1 Sectional view at AA in the figure; Figure 5 It is a detailed structural diagram of the folding and positioning mechanism in the present invention; In the figure: foldable connecting rod 1, connecting upper part 11, gripping lower part 12, hinge shaft 13, folding recess 14, overlapping slot 15, elastic band 16, pulling structure 17, pruning body 2, vertical shearing part 21, pressing arc part 22, linkage handle part 23, rotating connecting shaft 24, pruning tool 25, sliding drive mechanism 3, sliding half sleeve 31, sliding drive rod 311, sliding connection block 312, pulling slide 313, driving handle 314, positioning buckle 315, locking positioning Hole 316, pruning drive rod 32, rotating shaft 33, sliding block 34, guide slide groove 35, anti-contact gap 36, extended saw body 4, arc-shaped extrusion portion 41, linkage assembly 5, connecting shaft 51, strip sliding groove 52, sliding seat 53, first connecting frame 54, second connecting frame 55, positioning shaft 56, positioning connecting rod 57, elastic portion 571, positioning lock 58, lock hole 59, folding positioning mechanism 6, positioning sleeve 61, socket 62, positioning plug rod 63, sliding connecting groove 64. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] like Figure 1-5 As shown, a foldable garden maintenance pruning device comprises a foldable connecting rod 1, one end of which is provided with a pruning body 2, a sliding drive mechanism 3 for driving the pruning body 2 to open and close is slidably provided on the foldable connecting rod 1, an extending saw body 4 is passed through the pruning body 2, and one end of the extending saw body 4 is provided with a linkage component 5 connected to the sliding drive mechanism 3 and linked with the sliding drive mechanism 3, and a folding positioning mechanism 6 is provided in the middle of the foldable connecting rod 1.

[0020] Among them, the pruning body 2 includes a symmetrically arranged vertical cutting part 21, a symmetrically arranged pressing arc part 22 is provided at the lower end of the vertical cutting part 21, and a cross-arranged linkage handle part 23 is provided at one end of the pressing arc part 22 away from the vertical cutting part 21, and the linkage handle part 23 is rotated and positioned by a rotating connecting shaft 24 arranged at one end of the foldable connecting rod 1.

[0021] The vertical shearing portion 21 is used for shearing branches, and the pressing arc portion is used for pressing the outer wall of branches with a large diameter, thereby achieving multiple uses.

[0022] It can be seen that the sliding drive mechanism 3 includes an arc-shaped sliding half-shell 31, and pruning drive rods 32 are provided on both sides of the sliding half-shell 31. The end of the pruning drive rod 32 away from the sliding half-shell 31 is rotatably connected and positioned with the linkage handle part 23 through a rotating shaft 33. Symmetrically arranged sliding blocks 34 are respectively provided on both sides of the inner wall of the sliding half-shell 31, and guide grooves 35 for inserting the sliding blocks 34 are provided on both sides of the foldable connecting rod 1. An anti-contact gap 36 is provided between the inner wall of the sliding half-shell 31 and the foldable connecting rod 1.

[0023] When the sliding half-shell body 31 slides up and down, the pruning drive rod 32 drives the linkage handle part 23 to move synchronously and crosswise, thereby realizing the shearing action of the vertical shearing part 21.

[0024] Obviously, the sliding half-shell 31 is connected to a sliding drive rod 311, which is connected to a sliding connection block 312 arranged at one end of the foldable connecting rod 1 away from the pruning body 2. The foldable connecting rod 1 is provided with a pulling groove 313 for the sliding connection block 312 to be inserted into, the sliding connection block 312 is provided with a driving handle 314, and the driving handle 314 is provided with a positioning buckle 315, and the foldable connecting rod 1 is provided with a locking positioning hole 316 for the positioning buckle 315 to be inserted into.

[0025] When the driving handle 314 is pulled, the sliding driving rod 311 drives the sliding half-shell 31 to slide synchronously. When not in use, the driving handle 314 is inserted into the locking positioning hole 316 by the positioning buckle to achieve the closure of the vertical shearing part 21.

[0026] A spring is provided in the pulling slot 313 to keep the sliding connection block 312 moving toward the upper end of the pulling slot 313 , so that the vertical shearing portion 21 can be opened quickly after shearing.

[0027] Furthermore, the linkage assembly 5 includes a connecting shaft 51 arranged at the end of the extended saw body 4, the connecting shaft 51 is connected to the rotating shaft 33 on the corresponding side through a first connecting frame 54, a strip sliding groove 52 is provided on the foldable connecting rod 1, a sliding seat 53 is provided in the strip sliding groove 52, and the sliding seat 53 is connected to the connecting shaft 51 through a second connecting frame 55 respectively.

[0028] When the pruning drive rod 32 drives the linkage handle portion 23 to move synchronously and crosswise, the first connecting frame 54 and the second connecting frame 55 are deformed into a V shape, thereby driving the extension saw body 4 to move telescopically to achieve sawing.

[0029] Furthermore, a positioning shaft 56 is provided on the sliding seat 53, a positioning link 57 is connected to the positioning shaft 56, a positioning lock 58 is provided at one end of the positioning link 57 away from the positioning shaft 56, a plurality of lock holes 59 corresponding to the positioning lock 58 are provided on the foldable connecting rod 1, and an elastic portion 571 is provided on the positioning link 57.

[0030] When the extension saw body 4 is positioned, the positioning link 57 is pulled to the set position, and the locking hole 59 and the positioning lock 58 are mutually locked to perform positioning, and when the extension saw body 4 is positioned, the vertical shearing portion 21 is passively moved and closed.

[0031] Specifically, the foldable connecting rod 1 has a connecting upper part 11 and a gripping lower part 12. The connecting upper part 11 and the gripping lower part 12 are connected by a hinge shaft 13. An arc-shaped folding clearance groove 14 is provided at the hinge shaft 13. A overlapping card slot 15 is provided on one side of the gripping lower part 12 for partially inserting one side of the connecting upper part 11 after folding.

[0032] More specifically, the connection between the upper portion 11 and the gripping lower portion 12 and located at the folding recess 14 is connected by an elastic band 16 , and the storage upper portion and the gripping lower portion 12 and located at the hinge shaft 13 are connected by a pulling structure 17 .

[0033] In detail, the folding positioning mechanism 6 includes a positioning sleeve 61 arranged on the outer wall of the connecting upper part 11, a socket 62 is slidably provided on the holding lower part 12, and a positioning rod 63 is provided at one end of the socket 62 facing the positioning sleeve 61 for inserting into the positioning sleeve 61 to connect and position the connecting upper part 11 and the holding lower part 12, and sliding connecting grooves 64 are provided on both sides of the holding lower part 12 to allow the socket 62 to be slidably inserted into the circumferential inner wall.

[0034] The folding and positioning mechanism 6 is provided to bend the connecting upper part 11 and the gripping lower part 12 to reduce space occupation, and can be positioned vertically after being opened.

[0035] Preferably, a pruning tool 25 is provided on the vertical shearing portion 21 , and a corresponding arc-shaped pressing portion 41 is provided on the extended saw body 4 and located on the pressing arc-shaped portion 22 , and the length of the arc-shaped pressing portion 41 is greater than the length of the pressing arc-shaped portion 22 .

[0036] To sum up, the principle of this embodiment is: when in use, open the upper connection part 11, hold the lower part 12, and insert the positioning sleeve 61 and the positioning plug rod 63 into the vertical positioning. When shearing, the driving handle 314 is pulled to drive the sliding half sleeve 31 to move downward, and the pruning drive rod 32 drives the linkage handle part 23 to move synchronously and crosswise, thereby realizing the shearing action of the vertical shearing part 21; secondly, when the pruning drive rod 32 drives the linkage handle part 23 to move, due to the setting of the linkage assembly 5, the first connecting frame 54 and the second connecting frame 55 are V-shaped deformation movement, thereby driving the extension saw body 4 to telescopic movement to realize sawing; when not in use, the positioning lock buckle 58 on the positioning connecting rod 57 is locked in the lock buckle hole 59 to realize the fixation of the extension saw body 4, and the positioning plug buckle on the driving handle 314 is inserted into the locking positioning hole 316 to realize the closing of the vertical shearing part 21.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0038] Although the present invention uses more foldable connecting rod 1, connecting upper part 11, gripping lower part 12, hinge shaft 13, folding recess 14, overlapping slot 15, elastic band 16, pulling structure 17, pruning body 2, vertical shearing part 21, pressing arc part 22, linkage handle part 23, rotating connecting shaft 24, pruning tool 25, sliding drive mechanism 3, sliding half sleeve 31, sliding drive rod 311, sliding connecting block 312, pulling slide groove 313, driving handle 314, positioning buckle 315, locking positioning hole 316, pruning tool The branch driving rod 32, the rotating shaft 33, the sliding block body 34, the guide sliding groove 35, the anti-contact gap 36, the extended saw body 4, the arc-shaped extrusion part 41, the linkage assembly 5, the connecting shaft 51, the strip sliding groove 52, the sliding seat 53, the first connecting frame 54, the second connecting frame 55, the positioning shaft 56, the positioning connecting rod 57, the elastic part 571, the positioning lock 58, the lock hole 59, the folding positioning mechanism 6, the positioning sleeve 61, the plug seat 62, the positioning plug rod 63, the sliding connection groove 64 and other terms are used, but the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A foldable garden maintenance pruning device, comprising a foldable connecting rod (1), wherein one end of the foldable connecting rod (1) is provided with a pruning body (2), characterized in that: The foldable connecting rod (1) is slidably provided with a sliding drive mechanism (3) for driving the pruning body (2) to open and close, an extension saw body (4) is inserted into the pruning body (2), and one end of the extension saw body (4) is provided with a linkage component (5) connected to the sliding drive mechanism (3) and linked with the sliding drive mechanism (3), and a folding positioning mechanism (6) is provided in the middle of the foldable connecting rod (1).

2. A foldable garden maintenance pruning device according to claim 1, characterized in that: The pruning body (2) comprises a symmetrically arranged vertical shearing portion (21), the lower end of the vertical shearing portion (21) is provided with a symmetrically arranged pressing arc portion (22), and the end of the pressing arc portion (22) away from the vertical shearing portion (21) is provided with a cross-arranged linkage handle portion (23), and the linkage handle portion (23) is rotated and positioned by a rotating connecting shaft (24) arranged at one end of the foldable connecting rod (1).

3. A foldable garden maintenance pruning device according to claim 2, characterized in that: The sliding drive mechanism (3) comprises a sliding half-shell (31) arranged in an arc shape, and pruning drive rods (32) are arranged on both sides of the sliding half-shell (31), and one end of the pruning drive rod (32) away from the sliding half-shell (31) is rotatably connected and positioned with the linkage handle part (23) through a rotating shaft (33), and sliding blocks (34) are symmetrically arranged on both sides of the inner wall of the sliding half-shell (31), and guide grooves (35) for inserting the sliding blocks (34) are arranged on both sides of the foldable connecting rod (1), and an anti-contact gap (36) is provided between the inner wall of the sliding half-shell (31) and the foldable connecting rod (1).

4. A foldable garden maintenance pruning device according to claim 3, characterized in that: The sliding half-shell (31) is connected to a sliding drive rod (311), and the sliding drive rod (311) is connected to a sliding connection block (312) arranged at one end of the foldable connection rod (1) away from the pruning body (2). The foldable connection rod (1) is provided with a pulling groove (313) for the sliding connection block (312) to be inserted, and the sliding connection block (312) is provided with a driving handle (314), and the driving handle (314) is provided with a positioning buckle (315), and the foldable connection rod (1) is provided with a locking positioning hole (316) for the positioning buckle (315) to be inserted.

5. A foldable garden maintenance pruning device according to claim 3, characterized in that: The linkage assembly (5) comprises a connecting shaft (51) arranged at the end of the extended saw body (4), the connecting shaft (51) being connected to the rotating shaft (33) on the corresponding side through a first connecting frame (54), the foldable connecting rod (1) being provided with a strip sliding groove (52), a sliding seat (53) being provided in the strip sliding groove (52), and the sliding seat (53) being connected to the connecting shaft (51) through a second connecting frame (55).

6. A foldable garden maintenance pruning device according to claim 5, characterized in that: The sliding seat (53) is provided with a positioning shaft (56), the positioning shaft (56) is connected with a positioning connecting rod (57), the end of the positioning connecting rod (57) away from the positioning shaft (56) is provided with a positioning lock (58), the foldable connecting rod (1) is provided with a plurality of lock holes (59) corresponding to the positioning lock (58), and the positioning connecting rod (57) is provided with an elastic portion (571).

7. A foldable garden maintenance pruning device according to claim 1, characterized in that: The foldable connecting rod (1) comprises a connecting upper part (11) and a gripping lower part (12); the connecting upper part (11) and the gripping lower part (12) are connected via a hinge shaft (13); an arc-shaped folding recess (14) is provided at the hinge shaft (13); and a folding recess (15) is provided on one side of the gripping lower part (12) into which one side of the connecting upper part (11) can be partially inserted after being folded.

8. A foldable garden maintenance pruning device according to claim 7, characterized in that: The connection upper part (11) and the gripping lower part (12) are connected at the folding recess (14) by an elastic band (16), and the storage upper part and the gripping lower part (12) are connected at the hinge shaft (13) by a pull-out structure (17).

9. A foldable garden maintenance pruning device according to claim 8, characterized in that: The folding positioning mechanism (6) includes a positioning sleeve (61) arranged on the outer wall of the connecting upper part (11), a plug-in seat (62) is slidably provided on the holding lower part (12), and the plug-in seat (62) is provided with a positioning rod (63) for inserting into the positioning sleeve (61) to connect and position the connecting upper part (11) and the holding lower part (12), and sliding connection grooves (64) are provided on both sides of the holding lower part (12) to allow the plug-in seat (62) to be slidably inserted into the circumferential inner wall.

10. A foldable garden maintenance pruning device according to claim 2, characterized in that: The vertical shearing portion (21) is provided with a pruning cutter (25), and a corresponding arc-shaped pressing portion (41) is provided on the extended saw body (4) and located on the pressing arc-shaped portion (22), and the length of the arc-shaped pressing portion (41) is greater than the length of the pressing arc-shaped portion (22).

Images