High-altitude garden shears

Abstract

The invention provides high-altitude garden shears which comprise a D-shaped pull handle, an anti-peeling sleeve is arranged on the surface of the D-shaped pull handle, a conversion structure is arranged on the surface of one side of the D-shaped pull handle, an outer sleeve is fixedly connected to the surface of the other end of the conversion structure, and a progress adjusting block is installed on the surface of the other end of the outer sleeve. A labor-saving mechanism is arranged on one side of the progress adjusting block, a branch base is fixedly connected to the surface of the labor-saving mechanism, a shearing blade is movably connected to the surface of the branch base, and a reset spring is arranged on the surface of the other side of the shearing blade; the problems that in the background technology, the cutting mode of scissors cannot be modified according to the thickness of actually-cut branches, it is strenuous to build thick branches, and labor-saving operation cannot be conducted when thin branches are cut are solved.

Description

Technical Field

[0001] The invention mainly relates to the technical field of tree cutting, and in particular to a pair of high-altitude gardening shears. Background Art

[0002] In the process of pruning thick branches in gardening, the branches are located at different heights, which causes great trouble in the pruning process. At the same time, since ordinary scissors have a fixed and single structure, they are suitable for low-altitude operations but not for pruning high branches. In addition, ordinary gardening scissors have low power and are difficult to cut thick branches, especially high-altitude thick branches, which are more difficult to prune, causing great trouble to the operators. Therefore, it is necessary to design a new type of special scissors for high-altitude thick branches.

[0003] In the invention patent application with application number CN202020044520.3, application publication date 2020.09.29, and titled "A kind of gardening scissors specially used for high-altitude thick branches", the invention includes a movable scissor head and a fixed scissor head, the front end of the movable scissor head is connected to a scissor blade, a base is provided under the tail of the movable scissor head, and bayonet beads are provided on both sides of the bottom of the base. The bayonet beads fix the base inside the contact sleeve, and a pop-up block is also provided inside the contact sleeve. The pop-up block is inserted in the holster, a circle of retaining ring is provided on the top of the holster, and a circle of clamping ring is provided at the bottom of the contact sleeve. The clamping ring restricts the retaining ring in the contact sleeve, and the clamping ring can be twisted off. This scheme has large shearing force and reduces the labor intensity of the operator.

[0004] During the operation of the specific embodiment, the inventor found the following defects: the above-mentioned gardening shears cannot modify the cutting mode of the shears according to the thickness of the branches actually cut, which is more laborious when cutting thicker branches, and it is not possible to save labor when cutting thinner branches. Summary of the invention

[0005] 1. Technical problems to be solved by the invention: The present invention provides a pair of aerial gardening shears to solve the problem in the above-mentioned background technology that the cutting mode of the shears cannot be modified according to the thickness of the branches actually cut, it is more laborious when cutting thicker branches, and it is not possible to perform labor-saving operation when cutting thinner branches.

[0006] 2. Technical solution: In order to achieve the above-mentioned purpose, the technical solution provided by the present invention is: it includes a "D"-shaped handle, the surface of the "D"-shaped handle is provided with an anti-slip leather cover, the surface of one side of the "D"-shaped handle is provided with a conversion structure, the other end surface of the conversion structure is fixedly connected with an outer sleeve, the other end surface of the outer sleeve is installed with a process adjustment block, one side of the process adjustment block is provided with a labor-saving mechanism, the surface of the labor-saving mechanism is fixedly connected with a branch base, the surface of the branch base is movably connected with a shear blade, and the other side surface of the shear blade is provided with a reset spring.

[0007] Furthermore, the other end of the return spring is fixedly connected to the surface of the branch base, so that the shear blade forms an elastic structure on the surface of the branch base, the labor-saving mechanism and the shear blade form a transmission structure, the process adjustment block and the labor-saving mechanism form a transmission structure, and the "D"-shaped handle and the process adjustment block form a transmission structure at both ends of the outer sleeve.

[0008] Furthermore, an inner pull rod is fixedly connected to the surface of one end of the "D"-shaped handle, a fixing buckle one is fixedly connected to the upper surface of one end of the "D"-shaped handle, an annular groove is provided at the connection between the inner pull rod and the "D"-shaped handle, a traction ring is flexibly connected to the surface of the annular groove, an adjustment buckle is movably connected to the surface of the traction ring, a support ring is movably connected to the surface of the inner pull rod, a fixing buckle two is fixedly connected to the upper end surface of the support ring, and a traction rope is installed on the surface of the traction ring.

[0009] Furthermore, the support sleeve is fixedly connected to the outer sleeve at one end away from the traction ring, the traction rope is arranged on one side of the traction ring and is sleeve-connected with the support sleeve, the "D"-shaped pull handle and the inner pull rod are sleeve-connected with the outer sleeve, and the outer sleeve and the traction rope are respectively connected to the process adjustment block.

[0010] Furthermore, the process adjustment block includes a plastic sleeve handle fixedly connected to the other end of the outer sleeve, a withdrawal hole is provided at the top of the plastic sleeve handle, a rope path is provided on the upper end surface of the plastic sleeve handle, an elastic block is sleeved and connected on the surface of the traction rope, a rope clamp is provided on the other end surface of the elastic block, and a sliding wheel is movably connected inside the elastic block.

[0011] Furthermore, the traction rope is connected to the elastic block through a sliding wheel, and the top of the traction rope is fixedly connected to the top of the inner drawing rod through a drawing hole. The process adjustment block is slidably connected to the inside of the labor-saving mechanism, and is transmission-connected to the shear blade through the labor-saving mechanism.

[0012] Furthermore, the labor-saving mechanism includes an outer shell body, the outer shell body is provided with two pieces connected by a fastening screw, a base screw is provided on one side of the fastening screw, a rolling gear groove is provided on the inner surface of the outer shell body, a slider one is slidably connected to the surface of the rolling gear groove, a force-saving wheel one is movably connected inside the slider one, a top clamping block is provided on one side of the force-saving wheel one, a slider one is slidably connected to the surface of the rolling gear groove with a slider two, a force-saving wheel two is movably connected inside the slider two, a force-saving wheel three is movably connected to one side of the force-saving wheel two, a labor-saving rope is provided on the surface of the rope clamp, and a traction rod is movably connected to the top of the slider two.

[0013] Furthermore, the labor-saving rope on the top surface of the rope pliers passes through the second force-saving wheel, the first force-saving wheel, and the third force-saving wheel in sequence, and is finally fixed on the surface of the top clamp block, so that a gear set structure is formed between the labor-saving rope and the rope pliers, the slider two and the traction rod form a telescopic structure, and the traction rod is movably connected to the shear blade, and an elastic structure is formed on the surface of the outer shell through a reset spring.

[0014] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention has a reasonable design. When cutting thinner branches during the cutting process, the adjusting buckle in the conversion structure is buckled on the surface of the second fixing buckle so that the adjusting buckle, the traction ring and the traction rope are fixed to the support ring and the surface of one end of the outer sleeve. At this time, the inner pull rod on one side of the "D"-shaped pull handle is pulled out from the inside of one end of the outer sleeve, driving the traction rope at the other end of the inner pull rod to move, thereby driving the progress adjustment block on the surface of the traction rope to move toward one side of the outer sleeve, pulling the labor-saving rope on the surface of the rope clamp, and driving the traction rod to move toward the inside of the outer shell through the pulley group structure composed of the second force-saving wheel, the first force-saving wheel and the third force-saving wheel, thereby driving the shear blade to cut the thinner branches. In this way, the purpose of quickly cutting the thinner branches is achieved when facing thinner branches. When cutting thicker branches, the adjusting buckle in the conversion structure is buckled on the surface of the fixed buckle so that the traction ring is embedded in the surface of the annular groove. At this time, the "D"-shaped handle is pulled, and the "D"-shaped handle will drive the adjusting buckle, traction ring and traction rope to be pulled out from the inside of the outer sleeve. At the same time, the inner pull rod on one side of the "D"-shaped handle is pulled out from the inside of one end of the outer sleeve. At this time, the process adjustment block moves inside the outer shell under the action of simultaneous traction and pulling at both ends of the traction rope, thereby driving the pulley group structure composed of the second force-saving wheel, the first force-saving wheel and the third force-saving wheel to slide on the surface of the rolling gear groove. Since the traction force of the process adjustment block is improved, the purpose of saving effort when cutting thicker branches is achieved. At the same time, since the pulley group structure of the device is arranged inside the outer sleeve, the situation of being entangled by branches is avoided, thereby realizing the switching between cutting thick branches and cutting thin branches. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the conversion structure of the present invention; Figure 4 It is a plan view of the process adjustment block of the present invention; Figure 5 It is a schematic diagram of the outer shell of the present invention; Figure 6 It is a schematic diagram of the labor-saving mechanism of the present invention; Figure 7 This is a schematic diagram of the labor-saving mechanism of the present invention inside the outer shell.

[0016] Reference numerals: 1. "D" type handle; 2. Anti-slip leather case; 3. Conversion structure; 301. Inner pull rod; 302. Fixed buckle 1; 303. Annular groove; 304. Towing ring; 305. Adjustment buckle; 306. Support ring; 307. Fixed buckle 2; 308. Towing rope; 4. Outer sleeve; 5. Process adjustment block; 501. Plastic handle; 502. Pull hole; 503. Ropeway; 504. Elastic block; 505. Rope clamp ; 506, sliding wheel; 6, labor-saving mechanism; 601, outer shell; 602, fastening screw; 603, base screw; 604, rolling gear groove; 605, slider one; 606, force-saving wheel one; 607, top clamp; 608, slider two; 609, force-saving wheel two; 610, force-saving wheel three; 611, labor-saving rope; 612, traction rod; 7, branch base; 8, shear blade; 9, reset spring. DETAILED DESCRIPTION

[0017] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0021] See attached Figure 1-7 , including a "D"-shaped handle 1, the surface of the "D"-shaped handle 1 is provided with an anti-stripping leather cover 2, the surface of one side of the "D"-shaped handle 1 is provided with a conversion structure 3, the other end surface of the conversion structure 3 is fixedly connected with an outer sleeve 4, the other end surface of the outer sleeve 4 is installed with a process adjustment block 5, one side of the process adjustment block 5 is provided with a labor-saving mechanism 6, the surface of the labor-saving mechanism 6 is fixedly connected with a branch base 7, the surface of the branch base 7 is movably connected with a shearing blade 8, the other side surface of the shearing blade 8 is provided with a reset spring 9, the other end of the reset spring 9 is fixedly connected to the surface of the branch base 7, so that the shearing blade 8 forms an elastic structure on the surface of the branch base 7, the labor-saving mechanism 6 and the shearing blade 8 form a transmission structure, the process adjustment block 5 and the labor-saving mechanism 6 form a transmission structure, the "D"-shaped handle 1 and the process adjustment block 5 form a transmission structure at both ends of the outer sleeve 4, the device controls the cutting mode of branches of different thicknesses through different installation states of the adjustment buckle 305 in the conversion structure 3 to the fixed buckle 2 307 and the fixed buckle 1 302.

[0022] It includes a "D"-shaped handle 1 with an inner pull rod 301 fixedly connected to one end surface, a fixed buckle 302 fixedly connected to the upper surface of one end of the "D"-shaped handle 1, an annular groove 303 is provided at the connection between the inner pull rod 301 and the "D"-shaped handle 1, a traction ring 304 is humbly connected to the surface of the annular groove 303, an adjustment buckle 305 is movably connected to the surface of the traction ring 304, a support ring 306 is movably connected to the surface of the inner pull rod 301, a fixed buckle 307 is fixedly connected to the upper end surface of the support ring 306, a traction rope 308 is installed on the surface of the traction ring 304, the support ring 306 is fixedly connected to the outer sleeve 4 at one end away from the traction ring 304, the traction rope 308 is arranged on one side of the traction ring 304 and is sleeved and connected to the support ring 306, the "D"-shaped handle 1 and the inner pull rod 301 It is sleeved and connected with the outer sleeve 4, and the outer sleeve 4 and the traction rope 308 are respectively connected with the process adjustment block 5, and the process adjustment block 5 includes a plastic sleeve handle 501 fixedly connected to the other end of the outer sleeve 4, and the top of the plastic sleeve handle 501 is provided with a withdrawal hole 502, and the upper end surface of the plastic sleeve handle 501 is provided with a rope path 503, the surface of the traction rope 308 is sleeved and connected with an elastic block 504, and the other end surface of the elastic block 504 is provided with a rope clamp 505, and the elastic block 504 is movably connected with a sliding wheel 506 inside, and the traction rope 308 is connected with the elastic block 504 through the sliding wheel 506, and the top of the traction rope 308 is fixedly connected with the top of the inner withdrawal rod 301 through the withdrawal hole 502, and the process adjustment block 5 is slidably connected to the inside of the labor-saving mechanism 6, and is transmission-connected to the shear blade 8 through the labor-saving mechanism 6.

[0023] In this embodiment, when cutting thinner branches during the cutting process, the adjusting buckle 305 in the conversion structure 3 is buckled on the surface of the fixing buckle 2 307 so that the adjusting buckle 305, the traction ring 304 and the traction rope 308 are fixed on the support ring 306 and the surface of one end of the outer sleeve 4. At this time, the inner pull rod 301 on one side of the "D"-shaped pull handle 1 is pulled out from the inside of one end of the outer sleeve 4, driving the traction rope 308 at the other end of the inner pull rod 301 to move, thereby driving the progress adjustment block 5 on the surface of the traction rope 308 to move toward the side of the outer sleeve 4, pulling the labor-saving rope 611 on the surface of the rope clamp 505, and driving the traction rod 612 to move toward the inside of the outer shell 601 through the pulley group structure composed of the force-saving wheel 2 609, the force-saving wheel 1 606, and the force-saving wheel 3 610, thereby driving the shear blade 8 to cut the thinner branches. In this way, the purpose of quickly cutting the thinner branches is achieved when facing thinner branches.

[0024] The labor-saving mechanism 6 includes an outer shell 601, and the outer shell 601 is provided with two pieces connected by a fastening screw 602, and a base screw 603 is provided on one side of the fastening screw 602. The inner surface of the outer shell 601 is provided with a rolling gear groove 604, and a slider 1 605 is slidably connected to the surface of the rolling gear groove 604, and a force-saving wheel 1 606 is movably connected to the slider 1 605 inside, and a top clamping block 607 is provided on one side of the force-saving wheel 1 606, and a slider 2 608 is slidably connected to the surface of the rolling gear groove 604 on one side of the slider 1 605, and the slider 2 608 is movably connected to the force-saving wheel 2 606 inside. 09. One side of the force-saving wheel 2 609 is movably connected to the force-saving wheel 3 610, a force-saving rope 611 is arranged on the surface of the rope clamp 505, and a traction rod 612 is movably connected to the top of the slider 2 608. The force-saving rope 611 on the top surface of the rope clamp 505 passes through the force-saving wheel 2 609, the force-saving wheel 1 606, and the force-saving wheel 3 610 in sequence, and is finally fixed on the surface of the top clamp 607, so that a gear set structure is formed between the force-saving rope 611 and the rope clamp 505, the slider 2 608 and the traction rod 612 form a telescopic structure, and the traction rod 612 is movably connected to the shear blade 8, and an elastic structure is formed on the surface of the outer shell 601 through the reset spring 9.

[0025] In this embodiment, when cutting thicker branches, the adjusting buckle 305 in the conversion structure 3 is buckled on the surface of the fixed buckle 302, so that the traction ring 304 is embedded in the surface of the annular embedding groove 303. At this time, the "D"-shaped handle 1 is pulled, and the "D"-shaped handle 1 will drive the adjusting buckle 305, the traction ring 304 and the traction rope 308 to be pulled out from the inside of the outer sleeve 4. At the same time, the inner draw rod 301 on one side of the "D"-shaped handle 1 is pulled out from the inside of one end of the outer sleeve 4. At this time, the process adjustment block 5 is on the traction rope 3 08 Under the action of simultaneous traction and pulling at both ends, the pulley group structure composed of the energy-saving wheel 2 609, the energy-saving wheel 1 606, and the energy-saving wheel 3 610 moves inside the outer shell 601 and drives the sliding of the rolling gear groove 604 surface. Since the traction force of the process adjustment block 5 is improved, the purpose of saving effort when cutting thicker branches is achieved. At the same time, since the pulley group structure of the device is arranged inside the outer sleeve 4, it is avoided to be entangled by branches, thereby realizing the switching between the thick branch cutting mode and the thin branch cutting mode.

[0026] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A high-altitude gardening shear, characterized by: The invention comprises a "D"-shaped handle (1), the surface of the "D"-shaped handle (1) is provided with an anti-slip leather cover (2), one side surface of the "D"-shaped handle (1) is provided with a conversion structure (3), the other end surface of the conversion structure (3) is fixedly connected to an outer sleeve (4), the other end surface of the outer sleeve (4) is installed with a process adjustment block (5), one side of the process adjustment block (5) is provided with a labor-saving mechanism (6), the surface of the labor-saving mechanism (6) is fixedly connected to a branch base (7), the surface of the branch base (7) is movably connected to a shear blade (8), and the other side surface of the shear blade (8) is provided with a return spring (9).

2. The aerial garden shears according to claim 1, characterized in that: The other end of the return spring (9) is fixedly connected to the surface of the branch base (7), so that the shear blade (8) forms an elastic structure on the surface of the branch base (7), the labor-saving mechanism (6) and the shear blade (8) form a transmission structure, the process adjustment block (5) and the labor-saving mechanism (6) form a transmission structure, and the "D"-shaped handle (1) and the process adjustment block (5) form a transmission structure at both ends of the outer sleeve (4).

3. The aerial garden shears according to claim 1, characterized in that: The conversion structure (3) comprises an inner pull rod (301) fixedly connected to the surface of one end of a "D"-shaped handle (1); a fixing buckle 1 (302) is fixedly connected to the upper surface of one end of the "D"-shaped handle (1); an annular embedding groove (303) is provided at the connection between the inner pull rod (301) and the "D"-shaped handle (1); a traction ring (304) is flexibly connected to the surface of the annular embedding groove (303); an adjustment buckle (305) is movably connected to the surface of the traction ring (304); a support ring (306) is movably connected to the surface of the inner pull rod (301); a fixing buckle 2 (307) is fixedly connected to the upper surface of the support ring (306); and a traction rope (308) is installed on the surface of the traction ring (304).

4. The aerial garden shears according to claim 3, characterized in that: The end of the support collar (306) away from the traction ring (304) is fixedly connected to the outer sleeve (4); the traction rope (308) is arranged on one side of the traction ring (304) and is sleeve-connected to the support collar (306); the "D"-shaped pull handle (1) and the inner pull rod (301) are sleeve-connected to the outer sleeve (4); the outer sleeve (4) and the traction rope (308) are respectively connected to the process adjustment block (5).

5. The aerial garden shears according to claim 1, characterized in that: The process adjustment block (5) comprises a plastic sleeve handle (501) fixedly connected to the other end of the outer sleeve (4), a draw hole (502) is arranged at the top of the plastic sleeve handle (501), a rope path (503) is arranged on the upper end surface of the plastic sleeve handle (501), an elastic block (504) is sleeved and connected to the surface of the traction rope (308), a rope clamp (505) is arranged on the other end surface of the elastic block (504), and a sliding wheel (506) is movably connected inside the elastic block (504).

6. The aerial garden shears according to claim 5, characterized in that: The traction rope (308) is connected to the elastic block (504) via a sliding wheel (506), and the top end of the traction rope (308) is fixedly connected to the top end of the inner draw rod (301) via a draw hole (502). The process adjustment block (5) is slidably connected to the inside of the labor-saving mechanism (6), and is transmission-connected to the shear blade (8) via the labor-saving mechanism (6).

7. The aerial garden shears according to claim 1, characterized in that: The labor-saving mechanism (6) comprises an outer shell (601), the outer shell (601) is provided with two pieces connected by a fastening screw (602), a base screw (603) is provided on one side of the fastening screw (602), a rolling gear groove (604) is provided on the inner surface of the outer shell (601), a slider (605) is slidably connected to the surface of the rolling gear groove (604), and a force-saving wheel (606) is movably connected inside the slider (605). A top clamping block (607) is provided on one side of the force-saving wheel 1 (606); a second slider (608) is slidably connected to the surface of the rolling gear groove (604) on one side of the slider 1 (605); a second force-saving wheel (609) is movably connected inside the slider 2 (608); a third force-saving wheel (610) is movably connected to one side of the second force-saving wheel (609); a force-saving rope (611) is provided on the surface of the rope clamp (505); and a traction rod (612) is movably connected to the top of the second slider (608).

8. The aerial garden shears according to claim 7, characterized in that: The labor-saving rope (611) on the top surface of the rope clamp (505) passes through the second force-saving wheel (609), the first force-saving wheel (606), and the third force-saving wheel (610) in sequence, and is finally fixed on the surface of the top clamp (607), so that a gear set structure is formed between the labor-saving rope (611) and the rope clamp (505), the second slider (608) and the traction rod (612) form a telescopic structure, and the traction rod (612) is movably connected to the shear blade (8), and an elastic structure is formed on the surface of the outer shell (601) through a reset spring (9).

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