Garden pruning shears
By designing garden pruning shears with removable and connected scissors and swinging saw blades, the problem of insufficient flexibility and safety of existing garden pruning shears is solved, and efficient and safe trimming and cutting effects are achieved.
Patent Information
- Application Number
- CN202421604137.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-08
AI Technical Summary
During the use of existing garden pruning shears, the scissors body cannot be disassembled, the flexibility and applicability are limited, the maintenance and cleaning cost is high, and the saw blade cannot be stored has safety risks.
A garden pruning shear is designed, including a vertically arranged fixed block, removable connecting scissors and a saw blade that can swing up and down. The high-level branches are trimmed by pulling the draw rope under the telescopic rod. The scissors can be detached and used as ordinary hand-held pruning shears. The saw blade can be stored for added safety.
The pruning and cutting of branches at high places is achieved, and the low places can be used as ordinary scissors, which improves the flexibility and safety of the tools and reduces maintenance and cleaning costs.
Smart Images
Figure CN222750984U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of garden pruning shears, in particular to a pair of garden pruning shears. Background Art
[0002] Garden pruning shears are a commonly used garden pruning tool, mainly used for pruning, such as pruning diseased branches, weak branches, dense branches and cross branches, etc., to maintain the beauty and healthy growth of trees.
[0003] Existing garden pruning shears can be mainly divided into: pruning shears, hedge shears and high branch shears. The high branch shears parts include the scissors body. They are used to prune high branches. However, in actual use, the scissors body cannot be disassembled, which limits its flexibility and applicability and increases the cost of maintenance and cleaning. It cannot meet the needs of users who seek versatility and customizability. After use, the saw blade cannot be stored, which poses a safety hazard. Utility Model Content
[0004] The utility model aims to provide a garden pruning shears which can be used for pruning and cutting high branches and can be used as scissors when pruning low branches.
[0005] The garden pruning shears include a vertically arranged fixed block, a saw blade with teeth facing left is installed on the top of the fixed block, and the top of the fixed block is a groove structure communicating left and right, in which a pair of scissors with an opening facing left is detachably connected laterally;
[0006] The scissors include a first scissor blade and a second scissor blade hinged to each other, the right end of the first scissor blade is connected to a first handle located above, the right end of the second scissor blade is connected to a second handle located below, and a spring is provided between the first handle and the second handle;
[0007] One end of the spring is connected to the first handle, and the other end is connected to the second handle. When the spring is in a free state, the scissors are opened;
[0008] A telescopic rod that can be extended and shortened up and down is installed at the bottom of the fixed block, and first grooves that are connected up and down are opened on the right side wall of the telescopic rod and the fixed block, and the first grooves on the telescopic rod and the fixed block are connected up and down. A through hole that is connected up and down is opened on the second handle, and a vertical pull rope is connected to the right end of the first handle. The upper end of the pull rope is connected to the first handle, and the lower end passes through the through hole and the first groove in sequence downward and is located below the telescopic rod.
[0009] The first scissor blade, the second scissor blade, the first handle and the second handle are arranged in a shape similar to an "X" and are hinged in the middle. The second scissor blade is located at the upper left, the first scissor blade is located at the lower left, the first handle is located at the upper right, and the second handle is located at the lower right. The second handle is placed in the groove at the top of the fixed block for fixing, and the pull rope under the telescopic rod is pulled to achieve pruning of high branches. It is simple and convenient, and pruning can be completed without climbing trees or ladders. The middle section of the pull rope passes through the through hole of the second handle and is located in the first groove of the fixed block and the telescopic rod to prevent the pull rope from being entangled in the branches. The first groove structure also facilitates the installation and replacement of the pull rope. The detachably connected scissors can be used as ordinary pruning shears with the first handle and the second handle after disassembly; when large branches need to be pruned, they can be cut by the saw blade on the top.
[0010] Furthermore, the bottom of the saw blade is hinged to the fixed block, the upper end of the saw blade can swing up and down, and a second groove is provided on the left side wall of the fixed block into which the saw blade can be placed after swinging downward.
[0011] The up and down swing angles are adjusted according to the type of saw blade cutting. After use or when only scissors are used for trimming, the saw blade can be swung downward and stored in the second groove. The teeth of the saw blade are not exposed, which is safer and does not affect the use of scissors, making it easy to use.
[0012] Furthermore, the fixing block is provided with a first threaded hole communicating front to back, a first bolt threadedly matched is provided in the first threaded hole, and the second handle is provided with a second threaded hole threadedly matched with the screw rod of the first bolt.
[0013] After adjusting the vertical angle of the scissors, the screw rod of the first bolt passes through the second threaded hole to transversely fix the second handle in the groove on the top of the fixing block, so that the vertical angle of the scissors can be adjusted during use, and the scissors can also be removed and used as ordinary scissors.
[0014] Furthermore, a fixing ring is fixed to the right end of the first handle, and the upper end of the pull rope is connected to the fixing ring.
[0015] The draw cord is connected via a fixing ring, making it easy to replace the draw cord.
[0016] Furthermore, a guide column is provided on the fixing block at the top of the first groove.
[0017] The guide column can guide the pull rope and reduce friction, so that the pull rope is easy to pull and not easy to be worn off, and can also prevent the pull rope from slipping out of the first groove and winding around branches.
[0018] Furthermore, rubber sleeves are installed on the first handle and the second handle.
[0019] The rubber cover can prevent slipping when the scissors are removed and used as ordinary scissors.
[0020] Furthermore, the first scissor blade and the second scissor blade are hinged via a pivot.
[0021] The scissors have a simple structure through the cooperation of the pivot and the spring.
[0022] Furthermore, the first scissor blade and the first handle, and the second scissor blade and the second handle are connected via a second bolt.
[0023] The second bolt is firmly connected and is not easy to fall off.
[0024] Furthermore, a first stopper and a second stopper for limiting the position of the second handle are fixed to the fixing blocks on the upper and lower sides of the second handle.
[0025] The first stopper and the second stopper are fixed in the groove structure on the top of the fixing block. The second handle is limited by the first stopper and the second stopper and then fixed by the first bolt, so that the scissors are more stable during use.
[0026] Compared with the prior art, the utility model has the following beneficial effects:
[0027] Pull the pull rope under the telescopic rod to prune high branches, which is simple and convenient. Pruning can be completed without climbing trees or ladders. The middle section of the pull rope passes through the through hole of the second handle and is located in the first groove of the fixed block and the telescopic rod to prevent the pull rope from being entangled in the branches. The first groove structure also facilitates the installation and replacement of the pull rope. The detachably connected scissors can be used as ordinary hand-held pruning shears with the first and second handles after disassembly; when large branches need to be pruned, they can be cut with a saw blade. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a schematic diagram of the main structure of a garden pruning shears;
[0029] Figure 2 for Figure 1 A rear view structural diagram of ;
[0030] Figure 3 for Figure 1 A right view structural diagram of ;
[0031] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure along line AA;
[0032] Figure 5 for Figure 5 The schematic diagram of the cross-sectional structure along the BB line;
[0033] Figure 6 for Figure 1 Schematic diagram of the three-dimensional structure;
[0034] Figure 7 for Figure 6 Schematic diagram of the explosion structure.
[0035] The names of the components in the figure are: 1. saw blade; 2. first handle; 3. fixing ring; 4. pull rope; 5. spring; 6. second handle; 7. rubber sleeve; 8. guide column; 9. telescopic rod; 10. fixing block; 11. first scissor blade; 12. first bolt; 13. second scissor blade; 14. second bolt; 15. pivot; 16. first stopper; 17. second stopper; 18. through hole; 19. second groove; 20. first threaded hole; 21. first groove. DETAILED DESCRIPTION
[0036] The present invention is further described below through specific embodiments in conjunction with the accompanying drawings, but the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
[0037] Example
[0038] This embodiment uses the following materials:
[0039] 1. Prepare some corrosion-resistant, high-strength, and easy-to-clean materials such as alloy steel, titanium, or forged aluminum to make the first handle 2, the fixing ring 3, the second handle 6, the guide column 8, the fixing block 10, the first scissor blade 11, and the second scissor blade 13.
[0040] 2. Prepare a curved saw blade as saw blade 1;
[0041] 3. Prepare a high-strength pull rope 4 such as nylon or steel wire;
[0042] 4. Prepare a stainless steel spring 5. You can also use a stainless steel V-shaped spring or a stainless steel cicada spring instead;
[0043] 5. Prepare a telescopic rod 9;
[0044] 6. Prepare two rubber sleeves 7 and two pivots 15.
[0045] The above materials are assembled as follows:
[0046] Step 1: Production
[0047] Make the first handle 2; Figure 1 , Figure 4 and Figure 7 As shown, the first handle 2 is composed of a square block and an arc-shaped handle; Figure 6As shown, a rectangular groove and a threaded mounting hole are provided in the square block at the lower end of the first handle 2, and the right end of the square block is connected to a circular boss; a fixing ring 3 with an annular structure is fixedly connected to the right end of the arc-shaped handle.
[0048] Make a second handle 6; Figure 1 , Figure 4 and Figure 7 As shown, the main structure of the second handle 6 is consistent with that of the first handle 2. Figure 4 As shown, the upper left corner and the lower right corner of the square block portion of the second handle 6 are rounded respectively, and a through hole 18 communicating with each other from top to bottom is opened at the left end of the handle.
[0049] Make a first scissor blade 11; Figure 4 As shown, the first scissor blade 11 is semi-elliptical in shape as a whole, and the upper end of the first scissor blade 11 is connected to a fixing block of a square structure, and the connection between the two is rounded and smoothed, as shown in FIG. Figure 2 As shown, the first scissor blade 11 is sharpened.
[0050] Make the second scissor blade 13 piece: Figure 1 and Figure 5 As shown, the second scissor blade 13 is in a smooth arc shape as a whole. Figure 7 As shown, a square-shaped fixing block is connected to the right end of the second scissor blade 13, and the connection between the two is rounded and smoothed.
[0051] For the above-mentioned production, reference can be made to the production of existing pruning shears.
[0052] Make a fixed block 10; Figure 2 , Figure 5 and Figure 6 As shown, the main body of the fixing block 10 is a rectangular parallelepiped structure; Figure 3 As shown, a high and a low protrusion are connected to the upper end of the fixing block 10, and the positions of the two protrusions are symmetrical, with a groove structure in the middle, and the groove structure is used to place the first handle 2, and the high protrusion is chamfered; Figure 7 As shown, a first threaded hole 20 communicating front and rear is processed on the short protrusion, and the position of the first threaded hole 20 matches the position of the rounded corner portion on the square block where the second handle 6 is placed, as shown in FIG. Figure 4 As shown, the right side of the gap between the two protrusions is connected with a first stopper 16 and a second stopper 17, and the first stopper 16 and the second stopper 17 are spaced apart from each other, and the gap between the two refers to the height of the square block part of the second handle 6; Figure 4 As shown, a first groove 21 is formed on the right side wall of the fixing block 10, and the upper end of the first groove 21 is connected to the guide column 8 of the cylindrical structure; Figure 5As shown, a second groove 19 of a rectangular structure is opened on the left side wall of the fixed block 10, and the upper half of the second groove 19 is chamfered, and the size of the fillet is based on the arc size of the saw blade 1; Figure 6 As shown, the second groove 19 is specifically located at the left half of the fixing block 10 .
[0053] Step 2: Assembly
[0054] like Figure 1 and 4 As shown, the first scissor blade 11 is aligned with the first handle 2, and the second scissor blade 13 is aligned with the second handle 6, and is fixed by a second bolt 14; Figure 1 As shown, the first scissor blade 11 and the second scissor blade 13 are hinged by a pivot 15, and the first scissor blade 11, the second scissor blade 13, the first handle 2 and the second handle 6 are arranged in a shape similar to an "X" and are hinged in the middle. The second scissor blade 13 is located at the upper left, the first scissor blade 11 is located at the lower left, the first handle 2 is located at the upper right, and the second handle 6 is located at the lower right. The first handle 2 and the second handle 6 are respectively covered with rubber sleeves 7; Figure 4 As shown, the two ends of the spring 5 are respectively mounted on the circular bosses of the first handle 2 and the second handle 6 .
[0055] The above assembly can refer to the assembly of existing pruning shears.
[0056] like Figure 4 As shown, the fixing block 10 is placed vertically, the second handle 6 is inserted between the first stopper 16 and the second stopper 17, and the first bolt 12 is inserted into the first threaded hole 20 to fix the second handle 6. A second threaded hole that is connected front and back can also be opened on the second handle 6, and the screw rod of the first bolt 12 inserts the second handle 6 between the two first threaded holes 20; Figure 5 As shown, the saw blade 1 is hinged to the upper part of the second groove 19 via the pivot 15; Figure 4 As shown, the upper end of the pull rope 4 is tied to the fixing ring 3, and the lower end passes through the through hole 18, the guide column 8 and the first groove 21 in sequence and is located at the bottom; the lower end of the fixing block 10 is fixedly connected to the telescopic rod 9.
[0057] Instructions for use are as follows:
[0058] During use, when pruning high branches, the telescopic rod 9 can be extended and retracted to adjust the height. When encountering small branches, the pull rope 4 can be pulled to rotate the first handle 2 along the pivot 15, and the branches can be pruned by the cooperation of the first scissor blade 11 and the second scissor blade 13. When encountering larger branches, the saw blade 1 can be adjusted to the up and down swing angle and then fixed for cutting; after use, the saw blade 1 can be rotated along the pivot 15 and stored in the second groove 19.
[0059] When pruning low branches, the first bolt 12 can be unscrewed, the pull rope 4 can be untied, and the second handle 6 can be taken out, and the pruning shears can be used as ordinary pruning shears.
[0060] The above scheme realizes the switching between ordinary pruning shears and high branch shears. By using them in combination, all pruning needs from low to high can be covered, pruning efficiency can be improved, and purchase costs can be reduced. And by storing the saw blade 1, the safety of the pruning shears can be increased.
Claims
1. A garden pruning shears, comprising a vertically arranged fixing block (10), characterized in that: A saw blade (1) with teeth facing left is installed on the top of the fixed block (10); the top of the fixed block (10) is a groove structure communicating left and right, in which a pair of scissors with an opening facing left is detachably connected laterally; The scissors comprise a first scissor blade (11) and a second scissor blade (13) which are hinged to each other, the right end of the first scissor blade (11) is connected to a first handle (2) located above, the right end of the second scissor blade (13) is connected to a second handle (6) located below, and a spring (5) is provided between the first handle (2) and the second handle (6); One end of the spring (5) is connected to the first handle (2), and the other end is connected to the second handle (6). When the spring (5) is in a free state, the scissors are opened; A telescopic rod (9) capable of being extended and shortened upward and downward is installed at the bottom of the fixed block (10); a first groove (21) communicating with each other upward and downward is provided on the right side wall of the telescopic rod (9) and the fixed block (10); the first groove (21) on the telescopic rod (9) and the fixed block (10) communicate with each other upward and downward; a through hole (18) communicating with each other upward and downward is provided on the second handle (6); a vertical pull rope (4) is connected to the right end of the first handle (2); the upper end of the pull rope (4) is connected to the first handle (2); and the lower end of the pull rope (4) passes through the through hole (18) and the first groove (21) in sequence downward and is located below the telescopic rod (9).
2. The garden pruning shears according to claim 1, characterized in that: The bottom of the saw blade (1) is hinged to the fixed block (10), the upper end of the saw blade (1) can swing up and down, and a second groove (19) is provided on the left side wall of the fixed block (10) into which the saw blade (1) can be inserted after swinging downward.
3. The garden pruning shears according to claim 2, characterized in that: The fixing block (10) is provided with a first threaded hole (20) which is connected front to back, a first bolt (12) which is threadedly matched is provided in the first threaded hole (20), and the second handle (6) is provided with a second threaded hole which is threadedly matched with the screw rod of the first bolt (12).
4. The garden pruning shears according to claim 3, characterized in that: A fixing ring (3) is fixed to the right end of the first handle (2), and the upper end of the pull rope (4) is connected to the fixing ring (3).
5. The garden pruning shears according to claim 4, characterized in that: A guide column (8) is provided on the fixing block (10) at the top end of the first groove (21).
6. The garden pruning shears according to claim 5, characterized in that: The first handle (2) and the second handle (6) are both installed with rubber sleeves (7).
7. The garden pruning shears according to claim 6, characterized in that: The first scissor blade (11) and the second scissor blade (13) are hinged via a pivot (15).
8. The garden pruning shears according to claim 7, characterized in that: The first scissor blade (11) and the first handle (2), as well as the second scissor blade (13) and the second handle (6) are connected via a second bolt (14).
9. The garden pruning shears according to claim 8, characterized in that: A first stopper (16) and a second stopper (17) for limiting the position of the second handle (6) are fixed to the fixing blocks (10) at the upper and lower sides of the second handle (6).