Garden saw for garden pruning
The garden saw is designed to use the vibration of sliding blocks, brush plates, and steel balls to clean the saw surface of deposits, while sponge blocks and microfiber cloth automatically apply anti-rust oil. This solves the problem of convenience in cleaning and applying anti-rust oil after using the garden saw, and improves the efficiency of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Existing garden saws are not easy to clean promptly after use, resulting in long-term adhesion of the saw surface, which increases the difficulty of subsequent cleaning. In addition, applying anti-rust oil requires manual operation, which is troublesome.
A garden saw was designed that uses a sliding block and a brush plate to clean the saw surface of deposits by the vibration of the brush plate and steel balls, and automatically applies anti-rust oil by a sponge block and microfiber cloth, thus achieving automated cleaning and coating.
It enables quick cleaning and rust-preventive oil application on the saw blade surface, reducing cleaning hassles and manual operations, and improving efficiency.
Smart Images

Figure CN224022417U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to garden pruning technical field, concretely is a garden saw for garden pruning. BACKGROUND
[0002] Garden refers to the specific cultivation natural environment and recreation domain, along with the quality of people's life improvement, the environment of garden is increasing attention, garden has flower, grass, trees, in order to make it more beautiful, and then need staff to prune trees regularly, and then need to use garden pruning garden.
[0003] The prior art with publication number CN221554030U discloses a garden saw convenient to carry for garden pruning, which comprises a shell, a movable groove is formed in the upper end of the shell, an extension device is fixedly connected to the left end of the shell, a limiting device is fixedly connected to the right end of the extension device, a saw block is fixedly connected to the right end of the limiting device, a plurality of saw teeth are fixedly connected to the front end of the saw block, two fixed blocks are fixedly connected to the rear end of the shell, and a top-down through handle groove is formed in the upper end of each fixed block.
[0004] The above-mentioned device is convenient to carry the garden saw, but it is not convenient to clean the attachments on the surface of the garden saw in time after using the garden saw, which leads to a long attachment time and causes subsequent cleaning to be more troublesome, and in order to avoid rust on the garden saw after use, it is necessary to apply anti-rust oil to the surface of the garden saw, and the above-mentioned device needs to manually take tools to dip anti-rust oil for application, which is more troublesome, therefore, the utility model provides a garden saw for garden pruning. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a garden saw for garden pruning, to solve the problem that the prior art is not convenient to clean the attachments on the surface of the garden saw in time after using the garden saw, which leads to a long attachment time and causes subsequent cleaning to be more troublesome, and in order to avoid rust on the garden saw after use, it is necessary to apply anti-rust oil to the surface of the garden saw, and the above-mentioned device needs to manually take tools to dip anti-rust oil for application, which is more troublesome.
[0006] To achieve the above object, the utility model provides the following technical scheme: A garden pruning is with garden saw, including casing and saw blade, the inner chamber wall sliding connection has of casing sliding block, the left side wall of sliding block with the right side wall fixed connection of saw blade, the left side wall of saw blade extends to the outside of casing, the left side wall of casing and located outside the right side of saw blade fixed connection has U type frame, the inside wall top left side middle part of U type frame is opened with clamping groove, the inner chamber wall rear side of clamping groove is rotatably connected with first bidirectional screw rod through bearing, the front end of first bidirectional screw rod extends to the outside of U type frame, the outside wall front and back sides of first bidirectional screw rod are screwed with mounting block, the outside wall of mounting block with the inner chamber wall of clamping groove is slidably connected, the bottom of mounting block extends to the inside of U type frame and is fixedly connected with brush plate through bolt, the saw blade is located between the inside wall of two brush plates, the top of U type frame and located right side of clamping groove inserts with mounting rod, the bottom end of mounting rod extends to the inside of U type frame and is fixedly connected with steel ball, the outside wall of mounting rod with the inside of U type frame is slidably connected, the outside wall of mounting rod and located between the top of inside wall of U type frame and the top of steel ball is sleeved with return spring, the top of saw blade is opened with recess, and the recess is evenly distributed from left to right, the outside wall of steel ball with the inner chamber wall of recess is in contact.
[0007] As a further description of the above technical solution:
[0008] The top of the casing is provided with a limiting groove, the top of the sliding block extends to the outside of the casing through the limiting groove and is fixedly connected with a handle, and the outside wall of the sliding block is slidably connected with the inner chamber wall of the limiting groove.
[0009] As a further description of the above technical solution:
[0010] The top of the casing is provided with a limiting groove, the top of the sliding block extends to the outside of the casing through the limiting groove and is fixedly connected with a handle, and the outside wall of the sliding block is slidably connected with the inner chamber wall of the limiting groove.
[0011] As a further description of the above technical solution:
[0012] The top of the shell and the left side of the limiting groove are provided with an insertion port, the inner cavity wall of the insertion port is provided with a T-shaped hollow block, the top of the T-shaped hollow block extends to the outside of the insertion port, the rear side of the inner cavity wall of the T-shaped hollow block is rotatably connected with a second bidirectional screw rod through a bearing, the front end of the second bidirectional screw rod extends to the outside of the T-shaped hollow block, the front and rear sides of the outer side wall of the second bidirectional screw rod are screw-connected with vertical plates, the outer side wall of the vertical plate is slidably connected with the inner cavity wall of the T-shaped hollow block, and the bottom of the vertical plate extends to the inner cavity of the shell.
[0013] As a further description of the above technical solution:
[0014] The outer side wall of the sponge block is sleeved with a microfiber cloth.
[0015] As a further description of the above technical solution:
[0016] The left side wall of the T-shaped hollow block is fixedly connected with a fixed block, and the fixed block is fixedly connected with the top of the shell through bolts.
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] 1. The garden pruning garden saw, through the handle cooperation fixed screw, fixed screw hole, limiting groove and sliding block can be used in use the saw blade is fixed in the outside of the shell and is used, when not using, it is accomodate in the shell accomodate protection, convenient to carry, after using, through rotating first bidirectional screw rod cooperation clamping groove, mounting block and U type frame make front and rear two side brush plate clamping saw blade, through handle pull sliding block drive saw blade back and forth sliding, saw blade moves back and forth to cooperate two side brush plate removes the adhering matter on the surface of saw blade, simultaneously through the groove and the steel ball contact when saw blade moves, the steel ball passes through installation rod and return spring cooperation to make the steel ball knock saw blade cooperation brush plate, thereby improve cleaning effect, can after using fast and in time to the adhering matter on the surface of saw blade carries out cleaning, thereby avoid adhering matter long time adheres and lead to subsequent cleaning more troublesome problem.
[0019] 2. The garden pruning garden saw, through the removal of the fixed block, the T-shaped hollow block is taken out, the rust removal oil is dropped on the microfiber cloth of the sponge block, and then the T-shaped hollow block is inserted into the insertion port. Through rotating the second bidirectional screw rod, the front and rear vertical plates are driven to move, and then the sponge block clamps the saw blade. By pulling the saw blade back and forth, the sponge block is coated with rust-proof oil on the surface of the saw blade. It is convenient to apply rust-proof oil to the saw blade. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1The utility model provides a kind of garden pruning is used garden saw's structure perspective schematic view is proposed in the utility model;
[0021] Figure 2 The utility model provides a kind of garden pruning is used garden saw's structure main view schematic view is proposed in the utility model;
[0022] Figure 3 The utility model provides a kind of garden pruning is used garden saw's structure U type frame left view schematic view is proposed in the utility model;
[0023] Figure 4 The utility model provides a kind of garden pruning is used garden saw's structure T type hollow block left view schematic view is proposed in the utility model;
[0024] Figure 5 The utility model provides a kind of garden pruning is used garden saw's structure fixed screw hole overhead schematic view is proposed in the utility model;
[0025] Figure 6 The utility model provides a kind of garden pruning is used garden saw's Figure 2 The utility model provides a kind of garden pruning is used garden saw's
[0026] In the drawing: 100, shell;110, sliding block;111, U type frame;112, clamping groove;113, first bidirectional screw;114, mounting block;115, brush plate;116, mounting rod;117, steel ball;118, reset spring;119, recess;120, limit slot;121, handle;130, fixed screw hole;131, fixed screw;140, plug-in interface;141, T type hollow block;142, second bidirectional screw;143, vertical board;144, sponge block;150, fixed block;200, saw blade. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0028] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external", "clockwise", "counterclockwise", "axial", "radial", "circumferential" orientation or positional relationship indicated in the drawing is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as limiting the utility model. In addition, the features limited to "first", "second" can be explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0029] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] The utility model provides a garden pruning with garden saw, can clean the adherend on the surface of saw blade 200 in time after use, thereby avoiding the problem that adherend is attached for a long time to cause subsequent cleaning to be more troublesome, can conveniently smear rust preventive oil to saw blade 200, please refer to Figures 1-6 , including shell 100 and saw blade 200;
[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 And Figure 6The inner cavity wall of the shell 100 is slidingly connected with a sliding block 110, the sliding block 110 is used for installing a saw blade 200, the left side wall of the sliding block 110 is fixedly connected with the right side wall of the saw blade 200, the left side wall of the saw blade 200 extends to the outside of the shell 100, the left side wall of the shell 100 and located outside the saw blade 200 is fixedly connected with a U-shaped frame 111, the U-shaped frame 111 is used for cooperating with a brush plate 115 to clean the saw blade 200, the inner side wall top left side middle of the U-shaped frame 111 is provided with a clamping groove 112, the clamping groove 112 is used for limiting the installation block 114, the rear side of the inner cavity wall of the clamping groove 112 is rotatably connected with a first bidirectional screw rod 113 through a bearing, the first bidirectional screw rod 113 is used for driving the installation block 114 on both sides to move, the front end of the first bidirectional screw rod 113 extends to the outside of the U-shaped frame 111, the outer side wall of the first bidirectional screw rod 113 is screwed with the installation block 114 on the front and back sides, the installation block 114 is used for driving the brush plate 115 to move, the outer side wall of the installation block 114 is slidingly connected with the inner cavity wall of the clamping groove 112, the bottom of the installation block 114 extends to the inside of the U-shaped frame 111 and is fixedly connected with the brush plate 115 through a bolt, the brush plate 115 is used for cleaning the saw blade 200, the saw blade 200 is located between the inner side walls of the two brush plates 115, the top of the U-shaped frame 111 and located right side of the clamping groove 112 is inserted with an installation rod 116, the installation rod 116 is used for installing a steel ball 117, the bottom end of the installation rod 116 extends to the inside of the U-shaped frame 111 and is fixedly connected with the steel ball 117, the steel ball 117 is used for knocking the saw blade 200 to generate vibration and cooperating with the brush plate 115 to improve the cleaning effect, the outer side wall of the installation rod 116 is slidingly connected with the inside of the U-shaped frame 111, the outer side wall of the installation rod 116 and located between the top of the inner side wall of the U-shaped frame 111 and the top of the steel ball 117 is sleeved with a return spring 118, the return spring 118 is used for driving the steel ball 117 to reset, the top of the saw blade 200 is provided with a groove 119, and the grooves 119 are evenly distributed from left to right, the outer side wall of the steel ball 117 is in contact with the inner cavity wall of the groove 119, the top of the shell 100 is provided with a limiting groove 120, the limiting groove 120 is used for limiting the sliding block 110, the top of the sliding block 110 extends to the outside of the shell 100 through the limiting groove 120 and is fixedly connected with a handle 121, the handle 121 is used for conveniently moving the sliding block 110, the outer side wall of the sliding block 110 is slidingly connected with the inner cavity wall of the limiting groove 120, the top of the shell 100 and located front side and rear side left and right sides of the limiting groove 120 is provided with a fixed screw hole 130, the fixed screw hole 130 is used for cooperating with a fixed screw 131 to fix the handle 121, the inner side wall bottom of the handle 121 is screwed with the fixed screw 131 on the front and back sides, the fixed screw 131 is used for fixing the handle 121, the bottom end of the fixed screw 131 extends to the inner cavity of the fixed screw hole 130 and is screwed with the inner cavity wall of the fixed screw hole 130, in use, two fixed screws 131 are rotated to be separated from the right side fixed screw hole 130,Thus, the saw blade 200 is moved to the outside of the shell 100 by pushing the handle 121 to drive the sliding block 110 to cooperate with the shell 100 and the limiting groove 120, and then the handle 121 is fixed by cooperating with the left fixed screw hole 130 through the fixed screw 131, so that the saw blade 200 can be used. After use, the front and rear brush plates 115 are moved to be in contact with the saw blade 200 by rotating the first bidirectional screw rod 113 to drive the mounting block 114 to cooperate with the clamping groove 112, and then the fixing of the handle 121 is released. The saw blade 200 is moved back and forth by pulling the handle 121 to drive the sliding block 110 to move, so that the saw blade 200 moves back and forth. The saw blade 200 moves to cooperate with the brush plate 115 to clean the attachments on the surface of the saw blade 200. When the saw blade 200 moves, the groove 119 moves, the steel ball 117 is extruded by the groove 119, the steel ball 117 cooperates with the mounting rod 116 and the reset spring 118 to move, and when it moves to the next groove 119, the steel ball 117 is reset under the action of the reset spring 118 to knock the groove 119, so that the saw blade 200 vibrates to cooperate with the brush plate 115 to improve the cleaning effect. After completion, the saw blade 200 is collected into the shell 100 for storage, and the shell 100 is convenient to carry through the back strap on the front side of the shell 100.
[0032] In summary, the attachments on the surface of the saw blade 200 can be quickly and timely cleaned after use, so that the problem that the attachments are attached for a long time to cause subsequent cleaning to be more troublesome is avoided.
[0033] Please refer to Figures 1-5The top of the shell 100 and left side of the limiting groove 120 are provided with an insertion port 140, the insertion port 140 is used for installing a T-shaped hollow block 141, the inner cavity wall of the insertion port 140 is inserted with the T-shaped hollow block 141, the T-shaped hollow block 141 is used for conveniently installing and dismounting the vertical plate 143, so as to conveniently add rust-proof oil to the sponge block 144, the top of the T-shaped hollow block 141 extends to the outside of the insertion port 140, the rear side of the inner cavity wall of the T-shaped hollow block 141 is rotationally connected with a second bidirectional screw rod 142 through a bearing, the second bidirectional screw rod 142 is used for driving the vertical plate 143 to move, the front end of the second bidirectional screw rod 142 extends to the outside of the T-shaped hollow block 141, the outer side wall of the second bidirectional screw rod 142 is screwed with the vertical plate 143 on the front and rear sides, the vertical plate 143 is used for installing the sponge block 144, the outer side wall of the vertical plate 143 is slidably connected with the inner cavity wall of the T-shaped hollow block 141, and the bottom of the vertical plate 143 extends to the inner cavity of the shell 100, the vertical plates 143 on the front and rear sides are located on the front and rear sides of the saw blade 200 respectively, the inner side walls of the vertical plates 143 on the front and rear sides are fixedly connected with the sponge blocks 144, the sponge blocks 144 are used for making the microfiber cloth on the surface closely contact with the surface of the saw blade 200 by using the characteristics of the sponge blocks 144, so as to improve the smearing effect, so that the rust-proof oil is smeared more uniformly, the outer side walls of the sponge blocks 144 are sleeved with the microfiber cloths, the microfiber cloth is a synthetic fiber fabric, the fiber of the microfiber cloth is very thin, the microfiber cloth has the characteristics of strong cleaning ability and not easy to be hooked, when wiping the saw blade 200, the microfiber cloth can be well attached to the surface of the saw blade 200, and the oil is uniformly wiped off, the left side wall of the T-shaped hollow block 141 is fixedly connected with a fixing block 150, the fixing block 150 is used for fixing the T-shaped hollow block 141 in cooperation with the bolt, when it is necessary to oil the saw blade 200, the T-shaped hollow block 141 is taken out after the fixing block 150 is removed, the rust-proof oil is dropped on the microfiber cloth on the sponge block 144, then the T-shaped hollow block 141 is inserted back into the insertion port 140 and fixed, the second bidirectional screw rod 142 is rotated to drive the vertical plates 143 on the front and rear sides to move in cooperation with the T-shaped hollow block 141, so that the sponge blocks 144 clamp the saw blade 200, and the sponge blocks 144 cooperate with the microfiber cloths on the surfaces to smear the rust-proof oil on the surface of the saw blade 200 by pulling the saw blade 200 back and forth;
[0034] In summary, the rust-proof oil can be conveniently smeared on the saw blade 200.
[0035] In specific use, the person skilled in the art uses the two fixing screws 131 to disengage the right fixing screw hole 130, pushes the handle 121 to drive the sliding block 110 to cooperate with the shell 100 and the limiting groove 120, moves the saw blade 200 to the outside of the shell 100, and then fixes the handle 121 through the fixing screw 131 cooperating with the left fixing screw hole 130, so that the saw blade 200 can be used. After use, the first bidirectional screw rod 113 is rotated to drive the mounting block 114 to cooperate with the clamping groove 112 to drive the front and rear brush plates 115 to move towards the saw blade 200, then the handle 121 is fixed, the sliding block 110 is moved by pulling the handle 121 back and forth to drive the saw blade 200 to move back and forth, the saw blade 200 moves to cooperate with the brush plate 115 to clean the attachments on the surface of the saw blade 200, the groove 119 moves when the saw blade 200 moves, the groove 119 is extruded by the steel ball 117, the steel ball 117 cooperates with the mounting rod 116 and the reset spring 118 to move, when moving to the next groove 119, the steel ball 117 is reset under the action of the reset spring 118 to knock the groove 119, so that the saw blade 200 vibrates to cooperate with the brush plate 115 to improve the cleaning effect. After cleaning, the brush plate 115 is away from the saw blade 200, the T-shaped hollow block 141 is taken out after the fixing block 150 is removed, the rust removal oil is dropped on the microfiber cloth on the sponge block 144, then the T-shaped hollow block 141 is inserted into the insertion port 140 and fixed, the sponge block 144 clamps the saw blade 200 by rotating the second bidirectional screw rod 142 cooperating with the T-shaped hollow block 141 to drive the front and rear vertical plates 143 to move, then the sponge block 144 clamps the saw blade 200, the sponge block 144 cooperates with the surface microfiber cloth to apply the rust-proof oil to the surface of the saw blade 200 by pulling the saw blade 200 back and forth, and the saw blade 200 is collected in the shell 100 for storage after all the operations are completed. The shell 100 is convenient to carry through the back strap on the front side of the shell 100.
[0036] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0037] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A garden saw for pruning a garden, characterized by: Including shell (100) and saw blade (200), the inner cavity wall of the shell (100) is slidingly connected with a sliding block (110), the left side wall of the sliding block (110) is fixedly connected with the right side wall of the saw blade (200), the left side wall of the saw blade (200) extends to the outside of the shell (100), the left side wall of the shell (100) and located outside the saw blade (200) is fixedly connected with a U-shaped frame (111), the inner side wall top left side of the U-shaped frame (111) is provided with a clamping groove (112), the rear side of the inner cavity wall of the clamping groove (112) is rotatably connected with a first bidirectional screw rod (113) through a bearing, the front end of the first bidirectional screw rod (113) extends to the outside of the U-shaped frame (111), the outer side wall of the first bidirectional screw rod (113) is screwed with a mounting block (114) on the front and rear sides, the outer side wall of the mounting block (114) is slidingly connected with the inner cavity wall of the clamping groove (112), the bottom of the mounting block (114) extends to the inside of the U-shaped frame (111) and is fixedly connected with a brush plate (115) through a bolt, the saw blade (200) is located between the inner side walls of the two brush plates (115), the top of the U-shaped frame (111) and located right side of the clamping groove (112) is inserted with a mounting rod (116), the bottom end of the mounting rod (116) extends to the inside of the U-shaped frame (111) and is fixedly connected with a steel ball (117), the outer side wall of the mounting rod (116) is slidingly connected with the inside of the U-shaped frame (111), the outer side wall of the mounting rod (116) and located between the top of the inner side wall of the U-shaped frame (111) and the top of the steel ball (117) is sleeved with a return spring (118), the top of the saw blade (200) is provided with a groove (119), and the grooves (119) are evenly distributed from left to right, the outer side wall of the steel ball (117) is in contact with the inner cavity wall of the groove (119).
2. The garden saw for pruning according to claim 1, characterized in that: The top of the shell (100) is provided with a limiting groove (120), the top of the sliding block (110) extends to the outside of the shell (100) through the limiting groove (120) and is fixedly connected with a handle (121), and the outer side wall of the sliding block (110) is slidingly connected with the inner cavity wall of the limiting groove (120).
3. A garden saw for pruning according to claim 2, characterized in that: The top of the shell (100) and located on the front side and rear side of the limiting groove (120) are provided with fixed screw holes (130), the inner side wall bottom of the handle (121) is screwed with fixed screws (131) on the front and rear sides, and the bottom end of the fixed screws (131) extends to the inner cavity of the fixed screw hole (130) and is screwed with the inner cavity wall of the fixed screw hole (130).
4. The garden saw for pruning according to claim 2, wherein: The top of the shell (100) and the left side of the limiting groove (120) are provided with an insertion port (140), the inner cavity wall of the insertion port (140) is provided with a T-shaped hollow block (141), the top of the T-shaped hollow block (141) extends to the outside of the insertion port (140), the rear side of the inner cavity wall of the T-shaped hollow block (141) is rotatably connected with a second bidirectional screw rod (142) through a bearing, the front end of the second bidirectional screw rod (142) extends to the outside of the T-shaped hollow block (141), the front and rear sides of the outer side wall of the second bidirectional screw rod (142) are screw-connected with vertical plates (143), the outer side wall of the vertical plate (143) is slidably connected with the inner cavity wall of the T-shaped hollow block (141), and the bottom of the vertical plate (143) extends to the inner cavity of the shell (100), the front and rear vertical plates (143) are respectively located on the front and rear sides of the saw blade (200), and the inner side walls of the front and rear vertical plates (143) are fixedly connected with sponge blocks (144).
5. A garden saw for pruning according to claim 4, characterized in that: The outer side wall of the sponge block (144) is sleeved with a microfiber cloth.
6. The garden saw for pruning according to claim 4, characterized in that: The left side wall of the T-shaped hollow block (141) is fixedly connected with a fixed block (150), and the top of the fixed block (150) is fixedly connected with the shell (100) through a bolt.
Citation Information
Patent Citations
Garden saw convenient to carry and used for garden pruning
CN221554030U