Pruning equipment for ecological garden tree seedling culture
By integrating pruning and scraping functions, the pruning equipment solves the problems of limited functionality and insufficient safety of traditional tools, achieving multi-purpose use and efficient scraping effect, thus improving the efficiency and safety of garden seedling cultivation.
Patent Information
- Application Number
- CN202511815934.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-04
- Publication Date
- 2026-01-02
AI Technical Summary
Traditional trimming tools have limited functionality, require tool replacement which makes them inconvenient to carry and unsafe to operate, have low scraping efficiency, and are difficult to achieve rapid and deep cleaning.
Design a trimming device that integrates trimming and scraping functions. The function switching is achieved through a locking device, the self-locking and unlocking mechanism enhances safety, and the serrated blades enhance the scraping effect.
It enables multi-purpose use, improves work efficiency and safety, and provides efficient scraping results in complex situations.
Smart Images
Figure CN121241805A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of garden machinery, and particularly relates to a pruning device for ecological garden tree seedling raising. BACKGROUND
[0002] In the process of ecological garden tree seedling raising, regular shaping and maintenance of seedlings is a key operation, which mainly includes pruning of redundant or weak branches and local bark scraping of tree trunks, the former aims to optimize tree shape and promote healthy growth, and the latter is often used to promote wound tissue generation or treat local pests and diseases, at present, the most commonly used tool for operation personnel in such fine maintenance is a traditional pruning shear.
[0003] At present, operation personnel often need to carry special pruning scissors and bark scraping tools to complete these works, the traditional pruning scissors have single function and can only be used for cutting branches, and bark damage treatment or local wound tissue growth promotion requires replacing the bark scraping tool, such operation mode leads to inconvenient tool carrying, operation process interruption and reduced overall efficiency of maintenance work, in addition, the existing tools have defects in function switching and operation safety, for example, when the scraping function is temporarily needed, the blade of the scissors often cannot be effectively and reliably folded and locked, and there is a risk of accidentally opening and injuring the operator or damaging the seedlings, at the same time, the common bark scraping tool depends on single scraping, and when dealing with relatively hard or tough bark, repeated force is often needed, which not only is laborious, but also has limited scraping efficiency, and it is difficult to achieve rapid and deep cleaning effect, therefore, the present application provides a pruning device for ecological garden tree seedling raising to solve the above problems. SUMMARY
[0004] In view of the defects of the prior art, the present application provides a pruning device for ecological garden tree seedling raising to solve the problems in the background art.
[0005] The application provides the following technical scheme: an ecological garden tree seedling pruning device, comprising a first blade and a second blade, the side wall of the first blade is rotationally connected with the side wall of the second blade, the side wall of the second blade is rotationally connected with a connecting handle for movement, the inner wall of the first blade and the connecting handle is respectively provided with a locking device for limiting the rotation of the first blade, the locking device comprises four annularly arranged movable grooves, each movable groove is arranged on the inner wall of the first blade and the connecting handle, the inner wall of each movable groove is provided with a circular groove for installation, the inner wall of each circular groove is fixedly connected with a spring, the end of each spring away from the circular groove is fixedly connected with a small cylinder, each small cylinder is slidably connected with the inner wall of the adjacent circular groove, the inner wall of each movable groove is slidably connected with a wedge-shaped block for limiting, the first blade and the connecting handle are provided with a movable column for providing a limiting space for the wedge-shaped block, the front end of the movable column is provided with a placing groove, the surface of the movable column is provided with four wedge-shaped grooves matched with the wedge-shaped blocks, the inner wall of the first blade and the second blade is rotationally connected with a same circular cap, the second blade is provided with a scraping device, the two sides of the connecting handle are fixedly connected with a first handle for hand holding, the first handle is provided with a fixing device for fixing the first blade, the two sides of the second blade are fixedly connected with a second handle for hand holding, the second handle is provided with an auxiliary device for assisting scraping.
[0006] Preferably, the scraping device comprises a first serrated blade for scraping the bark, the first serrated blade is fixed on the side wall of the second blade, the side wall of the second blade is provided with an arc-shaped groove, the inner wall of the arc-shaped groove is slidably connected with a second serrated blade for increasing the scraping force, the second serrated blade is slidably connected with the side wall of the first serrated blade, the surface of the second serrated blade is fixedly connected with an arc-shaped block for supporting, the inner wall of the second blade is provided with a sliding groove for sliding, and the sliding groove is slidably connected with the inner wall of the arc-shaped block.
[0007] Preferably, the fixing device comprises a scissors groove for placing the first blade, the scissors groove is arranged on the side wall of the first handle, the side wall of the first handle is provided with a gap groove, the first handle is provided with an installation groove for placing a fixing structure, the gap groove and the installation groove are in communication, the inner wall of the installation groove is rotationally connected with a rotating shaft, the two ends of the rotating shaft are respectively arranged through the inner wall of the rotating shaft and extend to the outside of the first handle, the two ends of the rotating shaft are fixedly connected with a U-shaped piece for preventing the second blade from moving, the installation groove is provided with a gear and a ratchet wheel for controlling the movement of the U-shaped piece, the inner wall of the installation groove is fixedly connected with a fixed column, the surface of the fixed column is rotationally connected with a pawl for controlling the forward and reverse rotation of the ratchet wheel, the inner wall of the installation groove is fixedly connected with a spring, the right end of the spring is fixedly connected with the side wall of the pawl, and the side wall of the first handle is fixedly connected with an insert.
[0008] Preferably, the auxiliary device comprises an arc-shaped rack fixed to the side wall of the second handle, the inner wall of the second handle is provided with a dovetail groove one facilitating sliding, the inner wall of the dovetail groove one is slidably connected with a moving rod, the side wall of the moving rod is provided with a bevel groove one for driving, the side wall of the bevel groove one is fixedly connected with a spring three for helping reset, the side wall of the bevel groove one is slidably connected with a pressing block, the upper surface of the pressing block penetrates through the inner wall of the second handle and extends above the second handle, the inner wall of the second handle is provided with a dovetail groove two for sliding, the inner wall of the dovetail groove two is slidably connected with a stop block for controlling the downward movement of the pressing block, the end of the pressing block abuts against the upper surface of the stop block, and the side wall of the stop block is provided with a bevel groove two.
[0009] Preferably, the left half surface of the movable column is slidably connected with the inner wall of the circular cap, and four annularly arranged dovetail sliding blocks are fixedly installed at the right end of the circular cap and slidably connected with the corresponding wedge-shaped blocks.
[0010] Preferably, the gear and the ratchet wheel are fixedly connected with the surface of the rotating shaft, the ratchet wheel is fixedly connected with the front end of the gear, and the pawl is matched with the surface of the ratchet wheel.
[0011] Preferably, the moving rod is slidably connected with the inner wall of the second handle, the stop block is slidably connected with the inner wall of the second handle, and the moving rod is rotatably connected with the side wall of the second sawtooth piece.
[0012] Preferably, the arc-shaped rack is slidably connected with the inner wall of the let-in groove, the arc-shaped rack is meshingly connected with the surface of the gear, and the insert is matched with the bevel groove two.
[0013] Compared with the prior art, the present application has the following advantages: 1. The present application integrates pruning and scraping functions, realizes multi-purpose use of the device, and allows users to flexibly switch between scissors mode and scraper mode according to actual needs, so that the device can be used for pruning tree branches and scraping tree bark, greatly improving the practicability and work efficiency of the device and meeting the diversified maintenance needs in ecological garden seedling cultivation.
[0014] 2. The present application designs a self-locking and unlocking mechanism, which improves the safety and convenience of operation. When the device is converted into scraper mode, the first handle and the second handle are brought together, the first scissors piece is automatically retracted and locked by the fixing device to prevent accidental loosening, and at the same time, the pressing block is automatically unlocked to allow the user to press and drive the scraping device. When the first handle and the second handle are separated, the first scissors piece is automatically unlocked to restore the scissors function, and the pressing block is relocked to avoid misoperation, ensuring stable use of the device in different modes.
[0015] 3. The present application forms a high-efficiency scraping and shearing mechanism through the cooperation of sawtooth piece one and sawtooth piece two. Sawtooth piece two can move back and forth under the drive of the pressing block, and cooperates with the fixed sawtooth piece one to generate continuous shearing force, effectively dealing with hard or difficult-to-scrape bark, and even performing small-range auxiliary shearing. This design significantly enhances the scraping effect and improves the adaptability and operation capacity of the equipment in dealing with complex situations. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front perspective structural schematic diagram of the present application; Figure 2 It is a back perspective structural schematic diagram of the present application; Figure 3 It is a sectional view structural schematic diagram of the locking device of the present application; Figure 4 It is an internal structural schematic diagram of the locking device of the present application Figure 1 ; Figure 5 It is an internal structural schematic diagram of the locking device of the present application Figure 2 ; Figure 6 It is a scissor groove structural schematic diagram of the present application; Figure 7 It is an enlarged structural schematic diagram of A in the present application Figure 6 ; Figure 8 It is an installation groove structural schematic diagram of the present application; Figure 9 It is an arc-shaped groove one structural schematic diagram of the present application; Figure 10 It is a sawtooth piece two structural schematic diagram of the present application; Figure 11 It is a dovetail groove one and dovetail groove two structural schematic diagram of the present application; Figure 12 It is an internal structural schematic diagram of handle two of the present application; Figure 13 It is a structural schematic diagram of handle one and handle two after merging of the present application.
[0017] In the figure: 1, the first scissor blade; 101, the connecting handle; 102, the movable slot; 103, the round slot; 104, the first spring; 105, the small cylinder; 106, the wedge-shaped block; 107, the movable column; 108, the placing slot; 109, the wedge-shaped slot; 110, the round cap; 111, the stopper; 112, the threaded tube; 113, the threaded rod; 114, the round piece; 2, the second scissor blade; 201, the first sawtooth piece; 202, the first arc-shaped slot; 203, the second sawtooth piece; 204, the arc-shaped block; 205, the sliding slot; 3, the first handle; 301, the scissor slot; 302, the accommodation slot; 303, the installation slot; 304, the rotating shaft; 305, the U-shaped piece; 306, the gear; 307, the ratchet wheel; 308, the fixed column; 309, the pawl; 310, the second spring; 311, the control column; 312, the second arc-shaped slot; 313, the insert; 4, the second handle; 401, the arc-shaped rack; 402, the dovetail slot one; 403, the moving rod; 404, the first inclined slot; 405, the third spring; 406, the pressing block; 407, the rectangular block; 408, the dovetail slot two; 409, the stopper block; 410, the second inclined slot; 411, the fourth spring; 412, the fixed block; 5, the fifth spring. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0019] Please refer to Figures 1-5The utility model provides a kind of ecological garden tree seedling pruning equipment, including shear blade one 1 and shear blade two 2, the side wall of shear blade one 1 is rotatably connected with shear blade two 2, shear blade one 1 and shear blade two 2 cooperate, to prune unwanted branches, the side wall of shear blade two 2 is rotatably connected with the connecting handle 101 for activity, the inner wall of shear blade one 1 and connecting handle 101 is provided with the locking device for limiting the rotation of shear blade one 1, the locking device includes four annularly arranged movable grooves 102, each movable groove 102 is opened in the inner wall of shear blade one 1 and connecting handle 101, the inner wall of each movable groove 102 is opened with the circular groove 103 for installation, the inner wall of each circular groove 103 is fixedly connected with spring one 104, the end of spring one 104 away from circular groove 103 is fixedly connected with small cylinder 105, each small cylinder 105 is slidably connected with the inner wall of adjacent circular groove 103, the inner wall of each movable groove 102 is slidably connected with wedge block 106 for limiting, shear blade one 1 and connecting handle 101 are provided with movable column 107 for providing limiting space to wedge block 106, the front end of movable column 107 is opened with placing groove 108, the surface of movable column 107 is opened with four wedge grooves 109 matched with wedge block 106, when all wedge block 106 is in movable groove 102 and wedge groove 109, at this time, small cylinder 105 is extruded into circular groove 103 by wedge block 106, spring one 104 is compressed under force, because wedge block 106 is simultaneously clamped in movable groove 102 and wedge groove 109, at this time movable column 107 cannot rotate, therefore, shear blade one 1 cannot rotate, the inner wall of shear blade one 1 and shear blade two 2 is rotatably connected with the same circular cap 110, specifically, please refer to Figure 5 The surface of connecting handle 101 is fixedly connected with baffle 111 for limiting the rotation of shear blade one 1, by setting baffle 111, when shear blade one 1 counterclockwise rotates to certain position, the side wall of shear blade one 1 hits baffle 111 and is blocked by baffle 111, cannot continue to rotate, to prevent shear blade one 1 from rotating too much, specifically, please refer to Figure 3The side wall of the connecting handle 101 is fixedly connected with a threaded pipe 112, the inner wall of the threaded pipe 112 is threadedly connected with a threaded rod 113 for controlling locking, the threaded rod 113 is rotatably connected with the inner wall of the placing groove 108, in the initial state, the threaded rod 113 is screwed to the bottom, at this time, the two ends of the movable column 107 are simultaneously abutted by the round cap 110 and the threaded rod 113, when the threaded rod 113 is reversely rotated, the end of the threaded rod 113 passes through the placing groove 108, and drives the movable column 107 to move outward, in the moving process of the movable column 107, the space in the moving process of the wedge-shaped groove 109 gradually increases, the spring 104 pushes the small cylinder 105 due to the elastic force, the small cylinder 105 pushes the wedge-shaped block 106, the wedge-shaped block 106 enters the wedge-shaped groove 109, the wedge-shaped groove 109 is just separated from the movable groove 102, at this time, the limiting of the wedge-shaped block 106 to the scissors blade one 1 is released, and the scissors blade one 1 can rotate clockwise, specifically, the surface of the round cap 110 is fixedly connected with two symmetrically-arranged round plates 114, the upper round plate 114 is rotatably connected with the side wall of the scissors blade two 2, the lower round plate 114 is rotatably connected with the inner wall of the scissors blade two 2, the two round plates 114 can prevent the round cap 110 from falling off, the scissors blade two 2 is provided with a scraping device, the two sides of the connecting handle 101 are fixedly connected with a handle one 3 for holding, the handle one 3 is provided with a fixing device for fixing the scissors blade one 1, the two sides of the scissors blade two 2 are fixedly connected with a handle two 4 for holding, the handle two 4 is provided with an auxiliary device for assisting scraping, specifically, a spring five 5 for resetting is arranged between the handle one 3 and the handle two 4, one end of the spring five 5 is fixedly connected with the side wall of the handle one 3, the other end of the spring five 5 is fixedly connected with the side wall of the handle two 4.
[0020] Please refer to Figure 9 and Figure 10 , the scraping device comprises sawtooth pieces one 201 for scraping bark, the sawtooth pieces one 201 are fixed on the side wall of the scissors blade two 2, the side wall of the scissors blade two 2 is provided with an arc-shaped groove one 202, the inner wall of the arc-shaped groove one 202 is slidably connected with sawtooth pieces two 203 for increasing scraping force, the sawtooth pieces two 203 are slidably connected with the side wall of the sawtooth pieces one 201, the surface of the sawtooth pieces two 203 is fixedly connected with arc-shaped blocks 204 for supporting, the inner wall of the scissors blade two 2 is provided with a sliding groove 205 for sliding, the sliding groove 205 is slidably connected with the inner wall of the arc-shaped blocks 204, through the arrangement of the sliding groove 205, the arc-shaped blocks 204 can move along the track of the sliding groove 205, so that the sawtooth pieces two 203 move along the predetermined track.
[0021] Please refer to Figures 6-8The fixed device includes a scissors groove 301 for placing the scissors blade one 1, the scissors groove 301 is opened in the side wall of the handle one 3, when the scissors blade one 1 needs to be put away, the scissors blade one 1 can enter the scissors groove 301 after rotating, the side wall of the handle one 3 is opened with a let-place groove 302, the handle one 3 is provided with an installation groove 303 for conveniently placing the fixed structure, the let-place groove 302 and the installation groove 303 are communicated, the inner wall of the installation groove 303 is rotationally connected with a rotating shaft 304, both ends of the rotating shaft 304 penetrate the inner wall of the rotating shaft 304 and extend to the outside of the handle one 3, both ends of the rotating shaft 304 are fixedly connected with a U-shaped piece 305 for preventing the movement of the scissors blade two 2, by arranging the U-shaped piece 305, when the scissors blade one 1 enters the scissors groove 301, the U-shaped piece 305 can be rotated to press the back of the scissors blade one 1 which has entered the scissors groove 301, so that the scissors blade one 1 cannot come out of the scissors groove 301, the installation groove 303 is provided with a gear 306 and a ratchet wheel 307 for controlling the movement of the U-shaped piece 305, the inner wall of the installation groove 303 is fixedly connected with a fixed column 308, the surface of the fixed column 308 is rotationally connected with a pawl 309 for controlling the forward and reverse rotation of the ratchet wheel 307, the inner wall of the installation groove 303 is fixedly connected with a spring two 310, the right end of the spring two 310 is fixedly connected with the side wall of the pawl 309, specifically, the side wall of the pawl 309 is fixedly connected with a control column 311 for conveniently moving the pawl 309, the control column 311 is pushed by hand to compress the spring two 310 and separate the pawl 309 from the ratchet wheel 307, at this time, the ratchet wheel 307 can rotate freely, the side wall of the handle one 3 is opened with an arc-shaped groove two 312 for conveniently moving the control column 311, the side wall of the handle one 3 is fixedly connected with an insert 313.
[0022] Please refer to Figures 9-12 The auxiliary device includes an arc-shaped rack 401, the arc-shaped rack 401 is fixed on the side wall of the handle two 4, the inner wall of the handle two 4 is opened with a dovetail groove one 402 for conveniently sliding, the inner wall of the dovetail groove one 402 is slidingly connected with a moving rod 403, the side wall of the moving rod 403 is opened with an inclined groove one 404 for driving, the side wall of the inclined groove one 404 is fixedly connected with a spring three 405 for helping reset, when the moving rod 403 moves to the left due to external force, after the external force disappears, the moving rod 403 can be quickly reset to the right through the spring three 405, the side wall of the inclined groove one 404 is slidingly connected with a pressing block 406, the upper surface of the pressing block 406 penetrates the inner wall of the handle two 4 and extends to above the handle two 4, specifically, please refer to Figure 12The side wall of the pressing block 406 is fixedly connected with a rectangular block 407 convenient for limiting, the rectangular block 407 abuts against the inner wall of the handle two 4, by arranging the rectangular block 407, the lower end of the pressing block 406 can be prevented from directly penetrating through the inner wall of the handle two 4 and falling off from the handle two 4, the inner wall of the handle two 4 is provided with a dovetail groove two 408 for sliding, the inner wall of the dovetail groove two 408 is slidably connected with a stop block 409 for controlling the downward movement of the pressing block 406, the end of the pressing block 406 abuts against the upper surface of the stop block 409, because the stop block 409 blocks the pressing block 406, at this time, the pressing block 406 cannot be pressed downward, the side wall of the stop block 409 is provided with an inclined groove two 410, specifically, the side wall of the stop block 409 is fixedly connected with a spring four 411 convenient for resetting, the right end of the spring four 411 is fixedly connected with a fixed block 412 for supporting, by arranging the spring four 411, when the stop block 409 moves left due to external force, after the external force disappears, the stop block 409 can be quickly reset right through the spring four 411.
[0023] Please refer to Figures 3-5 The left half surface of the movable column 107 is slidably connected with the inner wall of the round cap 110, the right end of the round cap 110 is fixedly installed with four annularly arranged dovetail sliding blocks, each of the dovetail sliding blocks is slidably connected with a corresponding wedge-shaped block 106, by arranging the dovetail sliding blocks, the wedge-shaped block 106 slides on the dovetail sliding blocks, when the movable column 107 moves outward, the wedge-shaped block 106 can be prevented from falling off from the end of the round cap 110.
[0024] Please refer to Figure 8 The gear 306 and the ratchet wheel 307 are fixedly connected with the surface of the rotating shaft 304, when the gear 306 rotates, the rotating shaft 304 can be driven to rotate together, the ratchet wheel 307 is fixedly connected with the front end of the gear 306, the pawl 309 is matched with the surface of the ratchet wheel 307, when the ratchet wheel 307 rotates counterclockwise, the arc surface of the ratchet wheel 307 pushes the pawl 309, the pawl 309 compresses the spring two 310, the pawl 309 gives way, the ratchet wheel 307 rotates, when the ratchet wheel 307 wants to rotate clockwise, the pawl 309 just clamps the inclined port of the ratchet wheel 307, so that the ratchet wheel 307 cannot rotate clockwise, the front end of the control column 311 penetrates through the inner wall of the arc-shaped groove two 312 and extends to the outside of the handle one 3, the control column 311 is slidably connected with the inner wall of the arc-shaped groove two 312.
[0025] Please refer to Figure 10 And Figure 11 The movable rod 403 is slidably connected with the inner wall of the handle two 4, the stop block 409 is slidably connected with the inner wall of the handle two 4, the movable rod 403 is rotatably connected with the side wall of the sawtooth sheet two 203, by the rotatable connection of the movable rod 403 and the sawtooth sheet two 203, when the movable rod 403 moves on the inner wall of the handle two 4, the sawtooth sheet two 203 can be driven to move together.
[0026] Please refer to Figure 13 , the arc rack 401 and let the inner wall of the slot 302 sliding connection, the arc rack 401 and the surface of the gear 306 meshing connection, when the handle 3 and handle 4 4 close to each other, the arc rack 401 on the handle 4 gradually close to handle 3, and eventually with gear 306 meshing, with the arc rack 401 continue to close, the arc rack 401 drive gear 306 rotation, gear 306 rotation and drive the shaft 304 rotation, thus the U-shaped piece 305 with the shaft 304 as the center of arc motion, press the scissors blade 1 has been in the scissors groove 301, make the scissors blade 1 from the scissors groove 301 out, the insert 313 and the inclined groove 2 410 match, when the handle 3 and handle 4 4 close to each other, the insert 313 on the handle 3 gradually close to the block 409, and eventually inserted into the inclined groove 2 410, the insert 313 on the inclined surface of the inclined groove 2 410 have a force, make the block 409 to the left, so that the block 406 can be smoothly pressed down.
[0027] Working principle: when the user holds handle one 3 and handle two 4 and applies a grip force to make them close to each other, handle one 3 drives the scissor blade one 1 to rotate around its rotation point with the scissor blade two 2, forming a shearing motion between them, realizing the cutting of branches, after cutting, release handle one 3 and handle two 4, under the action of spring five 5, handle one 3 and handle two 4 reset, scissor blade one 1 and scissor blade two 2 open, ready for the next cutting, when you need to peel the bark, first rotate the threaded rod 113, the threaded rod 113 is screwed with the threaded tube 112, rotate to drive the movable column 107 to move outward, when the movable column 107 moves, under the elastic force of spring one 104, the small cylinder 105 pushes the wedge block 106 to move to the center of the connecting handle 101, so that the wedge block 106 is separated from the movable slot 102, at this time, the locking of the scissor blade one 1 is released, and it can be rotated, rotate the scissor blade one 1 into the scissor slot 301 of the handle one 3, then close the handle one 3 and the handle two 4, at this time, the arc rack 401 on the handle two 4 engages with the gear 306, driving the gear 306 to rotate, the gear 306 is fixed on the rotating shaft 304, so the rotating shaft 304 rotates with it, the rotating shaft 304 drives the ratchet wheel 307 and the U-shaped piece 305 to rotate, the U-shaped piece 305 presses the back of the scissor blade one 1, so that it is fixed in the scissor slot 301, the cooperation of the ratchet wheel 307 and the pawl 309 prevents reverse rotation, ensuring that the U-shaped piece 305 remains in a pressed state, and the handle one 3 and the handle two 4 cannot be easily separated, at the same time, the insert 313 on the handle one 3 is inserted into the inclined groove two 410 of the stop block 409, the insert 313 exerts force on the inclined surface of the inclined groove two 410, causing the stop block 409 to move left, and the spring four 411 is stretched, after the stop block 409 moves, it no longer abuts against the lower end of the pressing block 406, so the pressing block 406 can be pressed downward, when the pressing block 406 is pressed, its lower end acts on the inclined surface of the inclined groove one 404 of the moving rod 403, pushing the moving rod 403 to move left, the moving rod 403 is rotationally connected with the saw blade two 203, so it drives the saw blade two 203 to slide along the arc-shaped groove one 202, the saw blade two 203 cooperates with the saw blade one 201 to peel or cut a small range of the bark, after releasing the pressing block 406, under the action of the spring three 405, the moving rod 403 moves right to reset, driving the saw blade two 203 to reset, by pressing the pressing block 406 quickly back and forth, the moving rod 403 moves back and forth with the saw blade two 203, realizing continuous peeling and cutting action, after use, when you need to use the scissor function again, pull the control column 311 to compress the spring two 310 and separate it from the ratchet wheel 307, at this time, the handle one 3 and the handle two 4 can be separated, during the separation process, the arc rack 401 acts on the gear 306, causing the gear 306 to reverse, driving the rotating shaft 304 to reverse, the U-shaped piece 305 resets, releasing the fixation of the scissor blade one 1, at the same time, the insert 313 is separated from the inclined groove two 410, the stop block 409 moves right to reset under the action of the spring four 411,Re-against the lower end of the briquetting 406, the briquetting 406 can not be pressed, prevent false touch, and then the scissors blade 1 rotation reset, until its side wall hit the stop sheet 111, can not continue to rotate, at this time, reverse threaded rod 113, threaded rod 113 push the movable column 107 to move inwards, the movable column 107 moves, the wedge-shaped groove 109 of the inclined surface pushes the wedge-shaped block 106, compresses the spring 104, so that the wedge-shaped block 106 re-enter the round slot 103, the scissors blade 1 is fixed again, can not be rotated, at this time the device restores the scissors function, can be used for pruning branches.
Claims
1. A pruning device for growing seedlings of ecological garden trees, comprising a first blade (1) and a second blade (2), the side walls of the first blade (1) and the second blade (2) being pivotally connected, characterized in that: The side wall of the second shears piece (2) is rotationally connected with a connecting handle (101) for movement, the inner walls of the first shears piece (1) and the connecting handle (101) are provided with locking devices for limiting the rotation of the first shears piece (1), the locking devices comprise four annularly arranged movable grooves (102), each of which is formed in the inner walls of the first shears piece (1) and the connecting handle (101), the inner wall of each movable groove (102) is provided with a circular groove (103) for mounting, the inner wall of each circular groove (103) is fixedly connected with a spring (104), the end of each spring (104) away from the circular groove (103) is fixedly connected with a small cylinder (105), each small cylinder (105) is in sliding connection with the inner wall of the adjacent circular groove (103), the inner wall of each movable groove (102) is slidingly connected with a wedge-shaped block (106) for limiting, the first shears piece (1) and the connecting handle (101) are provided with a movable column (107) which provides a limiting space for the wedge-shaped block (106), the front end of the movable column (107) is provided with a placing groove (108), the surface of the movable column (107) is provided with four wedge-shaped grooves (109) matched with the wedge-shaped blocks (106), the inner walls of the first shears piece (1) and the second shears piece (2) are rotationally connected with a same circular cap (110), the second shears piece (2) is provided with a scraping device, the two sides of the connecting handle (101) are fixedly connected with a handle (3) for holding, the handle (3) is provided with a fixing device for fixing the first shears piece (1), the two sides of the second shears piece (2) are fixedly connected with a handle (4) for holding, the handle (4) is provided with an auxiliary device for assisting scraping.
2. The pruning apparatus for growing trees in an ecological garden according to claim 1, characterized in that: The scraping device comprises a first sawtooth piece (201) for scraping bark, the first sawtooth piece (201) is fixed on the side wall of the second shears piece (2), the side wall of the second shears piece (2) is provided with an arc-shaped groove (202), the inner wall of the arc-shaped groove (202) is slidingly connected with a second sawtooth piece (203) for increasing scraping force, the second sawtooth piece (203) is in sliding connection with the side wall of the first sawtooth piece (201), the surface of the second sawtooth piece (203) is fixedly connected with an arc-shaped block (204) for supporting, the inner wall of the second shears piece (2) is provided with a sliding groove (205) for sliding, the sliding groove (205) is in sliding connection with the inner wall of the arc-shaped block (204).
3. The pruning apparatus for growing trees in an ecological garden according to claim 1, wherein: The fixed device includes a scissors slot (301) for placing the scissors blade one (1), the scissors slot (301) is opened in the side wall of the handle one (3), the side wall of the handle one (3) is opened with a let slot (302), the handle one (3) is provided with the installation groove (303) of the convenient place fixed structure, the let slot (302) and the installation groove (303) are connected, the inner wall of the installation groove (303) is rotatably connected with the rotating shaft (304), both ends of the rotating shaft (304) extend to the outside of the handle one (3) and extend to the outside of the handle one (303), both ends of the rotating shaft (304) are fixedly connected with the U-shaped piece (305) for preventing the scissors blade two (2) from moving, the installation groove (303) is provided with a gear (306) and a ratchet wheel (307) for controlling the movement of the U-shaped piece (305), the inner wall of the installation groove (303) is fixedly connected with the fixed column (308), the surface of the fixed column (308) is rotatably connected with the pawl (309) for controlling the forward and reverse rotation of the ratchet wheel (307), the inner wall of the installation groove (303) is fixedly connected with the spring two (310), the right end of the spring two (310) is fixedly connected with the side wall of the pawl (309), and the side wall of the handle one (3) is fixedly connected with the plug-in piece (313).
4. The pruning apparatus for growing trees in an ecological garden according to claim 1, wherein: The auxiliary device includes an arc-shaped rack (401), the arc-shaped rack (401) is fixed on the side wall of the handle two (4), the inner wall of the handle two (4) is opened with a dovetail groove one (402) for sliding, the inner wall of the dovetail groove one (402) is slidably connected with a moving rod (403), the side wall of the moving rod (403) is opened with a bevel groove one (404) for driving, the side wall of the bevel groove one (404) is fixedly connected with a spring three (405) for helping reset, the side wall of the bevel groove one (404) is slidably connected with a pressing block (406), the upper surface of the pressing block (406) extends to the upper side of the handle two (4) and extends to the upper side of the handle two (4), the inner wall of the handle two (4) is opened with a dovetail groove two (408) for sliding, the inner wall of the dovetail groove two (408) is slidably connected with a stop block (409) for controlling the downward movement of the pressing block (406), the end of the pressing block (406) abuts against the upper surface of the stop block (409), and the side wall of the stop block (409) is opened with a bevel groove two (410).
5. The pruning apparatus for growing trees in an ecological garden according to claim 1, wherein: The left half surface of the movable column (107) is slidably connected with the inner wall of the circular cap (110), the right end of the circular cap (110) is fixedly connected with four annularly arranged dovetail sliding blocks, each dovetail sliding block is slidably connected with a corresponding wedge block (106).
6. The pruning apparatus for growing seedlings of ecological garden trees according to claim 3, characterized in that: The gear (306) and the ratchet wheel (307) are fixedly connected with the surface of the rotating shaft (304), the ratchet wheel (307) is fixedly connected with the front end of the gear (306), and the pawl (309) is matched with the surface of the ratchet wheel (307).
7. The pruning apparatus for growing seedlings of ecological garden trees according to claim 4, characterized in that: The moving rod (403) is in sliding connection with the inner wall of the second handle (4), the stopper (409) is in sliding connection with the inner wall of the second handle (4), and the moving rod (403) is in rotary connection with the side wall of the second sawtooth piece (203).
8. The pruning apparatus for growing seedlings of ecological garden trees according to claim 3 or 4, characterized in that: The arc-shaped rack (401) is in sliding connection with the inner wall of the let-out slot (302), the arc-shaped rack (401) is in meshing connection with the surface of the gear (306), and the insert (313) is matched with the second inclined groove (410).