Pruning device
By introducing a cam reciprocating push structure into the trimming device, the rotational motion of the motor is converted into linear reciprocating motion of the Z-shaped support rod and the main cutting knife, thereby achieving staggered cutting by the main cutting knife and the auxiliary cutting knife, solving the problem of frequent trimming pauses in the existing technology and improving trimming efficiency.
Patent Information
- Application Number
- CN202422987639.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing electric trimmers frequently pause and reverse during the trimming process, resulting in a low trimming frequency and affecting work efficiency, especially in the case of large-scale trimming.
The cam reciprocating push structure is used to convert the rotary power of the motor into the linear reciprocating motion of the Z-shaped support rod and the main cutter, so that the main cutter and the auxiliary cutter cut alternately, realizing continuous cutting action.
Through the continuous cutting action, the pruning speed and work efficiency are improved, the hand fatigue is reduced, and the operating efficiency of the pruning device is improved.
Smart Images

Figure CN223437460U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of garden greening pruning apparatus, concretely is a pruning device. BACKGROUND
[0002] The pruning device plays a vital role in the garden greening, and the pruning device can keep the plant appearance beautiful and promote the overall growth of the plant through accurate pruning, the structure of the pruning device mainly comprises a blade, a scissors body, a handle and a spring and the like, the blade is the main working part of the pruning scissors, has a sharp cutting edge and can quickly and accurately cut the plant tissue, the scissors body connects the handle and the blade and supports and fixes the blade, and the handle is reasonably designed and can provide comfortable holding feeling and flexible operability, however, the manual pruning scissors still have the problems of laborious use and hand soreness, therefore, some electric pruning devices gradually appear, such as the pruning device disclosed in the authorized announcement no. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing a kind of pruning device, the rotary power of motor is converted into the linear reciprocating motion of Z letter support rod, main cutter by cam reciprocating push structure, so that main cutter, vice cutter reciprocating interlaced, cutting, to solve the problem raised in the above background technique.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a pruning device, including base and the fixed casing of base top end, the one side of casing is detachable installation with the vice cutting knife of base top end, the one side of the top of casing is installed with the handle, the one side of the top of base is installed with Z letter support rod, one end of Z letter support rod extends to the cutting edge side of vice cutting knife, the one side outer wall of Z letter support rod close to vice cutting knife is installed with the main cutting knife that is interlaced with Z letter support rod, the top of base is installed with cam reciprocating push structure, and the movable end of cam reciprocating push structure is connected with the other end of Z letter support rod, the bottom of base is installed with the motor for driving cam reciprocating push structure work, the one side of the top of handle is installed with the control button that is electrically connected with motor input.
[0005] Preferably, the top of the handle is provided with a straight hole on both sides, and the handle and the casing are bolted to each other through the straight hole.
[0006] Preferably, the vice cutting knife is integrally formed with a rectangular head on the side close to the cam reciprocating push structure, the lower surface of the rectangular head is in contact with the upper surface of the base, and the inner thread hole is provided on both sides of the rectangular head.
[0007] Preferably, the base is provided with a guide frame on one side of the top, and the Z letter support rod is slidingly installed in the guide frame.
[0008] Preferably, the cam reciprocating push structure comprises a cam rotary member and a swing arm, the output end of the motor is fixedly connected with the top of the cam rotary member, the Z letter support rod is integrally formed with a circular hollow ring on the end close to the swing arm, the circular hollow ring and the end of the swing arm are hingedly connected, the base is provided with an elastic return structure on one side of the top, the elastic return structure is used to reset the swing arm, and an arc concave surface is arranged on the outer wall of the side of the swing arm close to the cam rotary member.
[0009] Preferably, the elastic return structure comprises two T-shaped columns fixed on one side of the top of the base and one side of the top of the swing arm, and a tension spring is installed between the two T-shaped columns.
[0010] Preferably, the opposite cutting edge sides of the main cutting knife and the vice cutting knife are provided with cutout portions.
[0011] Compared with the prior art, the utility model has the beneficial effects that: the pruning device is provided with the cam reciprocating push structure and the main cutting knife and other mutually cooperating structures, the cam reciprocating push structure can convert the rotary motion of the motor into the reciprocating linear motion of the Z letter support rod and the main cutting knife, that is, the main cutting knife and the vice cutting knife are interlaced and cut the leaves, branches and other parts of the garden plants, so that the pruning purpose is achieved, the continuous cutting action is realized, the pruning speed of the workers is accelerated, and the work efficiency is ensured. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after the casing is removed Figure One ;
[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model after the casing is removed Figure Two ;
[0015] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model after the casing is removed Figure Three ;
[0016] Figure 5 This is a schematic diagram of the three-dimensional structure of the rectangular cutter head of the present invention;
[0017] In the figure: 1. Base; 2. Casing; 3. Handle; 4. Control button; 5. Motor; 6. Guide frame; 7. Z-shaped support rod; 8. Main cutting knife; 9. Rectangular cutting head; 901. Internal thread countersunk hole; 10. Auxiliary cutting knife; 11. Cutting part; 12. Cam reciprocating pushing structure; 1201. Cam rotating part; 1202. Swing arm; 1203. Elastic pull-back structure; 1204. Circular hollow ring. DETAILED DESCRIPTION
[0018] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0019] See also Figures 1-5 The utility model provides an embodiment: a trimming device, comprising a base 1 and a casing 2 fixed to the top of the base 1, a secondary cutting knife 10 detachably mounted on the top of the base 1 on one side of the casing 2, a handle 3 mounted on one side of the top of the casing 2, straight countersunk holes are opened on both sides of the top of the handle 3, and the handle 3 and the casing 2 are bolted to each other through the straight countersunk holes and bolts;
[0020] The Z-shaped supporting rod 7 is slidably installed on one side of the top end of the base 1, one end of the Z-shaped supporting rod 7 extends to the blade side of the secondary cutter 10, a primary cutter 8 is installed on the outer wall of the side close to the secondary cutter 10 and staggered with the Z-shaped supporting rod 7, a cam reciprocating pushing structure 12 is installed on the top end of the base 1, the movable end of the cam reciprocating pushing structure 12 is connected with the other end of the Z-shaped supporting rod 7, a motor 5 is installed on the bottom end of the base 1 for driving the cam reciprocating pushing structure 12 to work, a control button 4 is installed on one side of the top end of the handle 3 and electrically connected with the input end of the motor 5;
[0021] A guide frame 6 is fixed on one side of the top end of the base 1, the Z-shaped supporting rod 7 is slidably installed in the guide frame 6, the guide frame 6 can make the movement of the Z-shaped supporting rod 7 and the primary cutter 8 more stable, and reduce the impact and shaking of the Z-shaped supporting rod 7 during sliding;
[0022] The secondary cutter 10 is integrally formed with a rectangular cutter head 9 on one side close to the cam reciprocating pushing structure 12, the lower surface of the rectangular cutter head 9 is in contact with the upper surface of the base 1, and internal thread counterbores 901 are formed in the two sides of the rectangular cutter head 9, the rectangular cutter head 9 is installed on the top end of the base 1, and the rectangular cutter head 9 and the secondary cutter 10 are fixed by bolts and the internal thread counterbores 901, so that the secondary cutter 10 can be easily disassembled, and the detachable blade can be easily cleaned and maintained, so that the sharpness of the blade and the work efficiency are maintained;
[0023] The cam reciprocating pushing structure 12 comprises a cam rotating part 1201 rotatably installed on the top end of the base 1 and a swing arm 1202, the output end of the motor 5 is fixedly connected with the top end of the cam rotating part 1201, the end close to the swing arm 1202 of the Z-shaped supporting rod 7 is integrally formed with a circular hollow ring 1204, the circular hollow ring 1204 is hingedly connected with one end of the swing arm 1202, an elastic return structure 1203 is installed on one side of the top end of the base 1, the elastic return structure 1203 is used to reset the swing arm 1202, an arc-shaped concave surface is arranged on the outer wall of one side of the swing arm 1202 close to the cam rotating part 1201, the rotating power of the motor 5 is transmitted to the cam rotating part 1201, then the protruding part of the cam rotating part 1201 pushes one end of the swing arm 1202, then the other end of the swing arm 1202 swings, then the swing arm 1202 drives the Z-shaped supporting rod 7 to slide through the circular hollow ring 1204, at this time, the primary cutter 8 and the secondary cutter 10 are away from each other;
[0024] The elastic return structure 1203 comprises T-shaped columns fixed on one side of the top end of the base 1 and one side of the top end of the swing arm 1202, a tension spring is installed between the two T-shaped columns, when the protruding part of the cam rotating part 1201 is separated from the end of the swing arm 1202, the elastic return structure 1203 starts to reset from the stretched state, that is, the elastic return structure 1203 pulls the swing arm 1202 to reset, and the blade parts of the primary cutter 8 and the secondary cutter 10 are close to each other.
[0025] The cutting part 11 is arranged on the opposite side of the cutting edge of the main cutter 8 and the auxiliary cutter 10, the sharp edges of the main cutter 8 and the auxiliary cutter 10 can quickly and accurately cut the plant tissue, reduce the wound area, and be beneficial to the healing and growth of the plant, and the cutting part 11 is used for the leaves, branches and other parts of the plant to enter, so that the main cutter 8 and the rectangular cutter head 9 realize stable cutting.
[0026] In use, first, the staff holds the handle 3 with the hand, and presses the control button 4, so that the motor 5 actively works, the rotary power of the motor 5 is transmitted to the cam reciprocating pushing structure 12, the cam reciprocating pushing structure 12 can convert the rotary motion of the motor 5 into the reciprocating linear motion of the Z-shaped support rod 7 and the main cutter 8, that is, the main cutter 8 and the auxiliary cutter 10 are staggered and cut the leaves, branches and other parts of the garden plants, to achieve the purpose of pruning, the rotary power of the motor 5 and the cam reciprocating pushing structure 12 convert the rotary motion into linear reciprocating motion, realize the accurate cutting action of the main cutter 8 and the Z-shaped support rod 7, and the main cutter is reciprocating during cutting, which realizes continuous cutting action, thereby accelerating the pruning speed of the staff and ensuring the work efficiency.
[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.
Claims
1. A trimming device, characterized in that: The invention comprises a base (1) and a casing (2) fixed at the top of the base (1), a sub-cutting knife (10) being detachably mounted on the top of the base (1) on one side of the casing (2), a handle (3) being mounted on one side of the top of the casing (2), a Z-shaped support rod (7) being slidably mounted on one side of the top of the base (1), one end of the Z-shaped support rod (7) extending to the blade side of the sub-cutting knife (10), a main cutting knife (8) interlaced with the Z-shaped support rod (7) being mounted on the outer wall of the side of the Z-shaped support rod (7) close to the sub-cutting knife (10), a cam reciprocating pushing structure (12) being mounted at the top of the base (1), a movable end of the cam reciprocating pushing structure (12) being connected to the other end of the Z-shaped support rod (7), a motor (5) for driving the cam reciprocating pushing structure (12) to work being mounted at the bottom end of the base (1), and a control button (4) electrically connected to the input end of the motor (5) being mounted on one side of the top of the handle (3).
2. A trimming device according to claim 1, characterized in that: Both sides of the top of the handle (3) are provided with straight countersunk holes, and the handle (3) and the housing (2) are bolted to each other via the straight countersunk holes and bolts.
3. A trimming device according to claim 1, characterized in that: A rectangular cutter head (9) is integrally formed on one side of the auxiliary cutting knife (10) close to the cam reciprocating pushing structure (12); the lower surface of the rectangular cutter head (9) contacts the upper surface of the base (1); and internal threaded countersunk holes (901) are provided on both sides of the interior of the rectangular cutter head (9).
4. A trimming device according to claim 1, characterized in that: A guide frame (6) is fixed on one side of the top end of the base (1), and the Z-shaped support rod (7) is slidably installed in the guide frame (6).
5. A trimming device according to claim 1, characterized in that: The cam reciprocating pushing structure (12) comprises a cam rotating member (1201) and a swing arm (1202) rotatably mounted on the top of the base (1); the output end of the motor (5) is fixedly connected to the top of the cam rotating member (1201); a circular hollow ring (1204) is integrally formed at one end of the Z-shaped support rod (7) close to the swing arm (1202); the circular hollow ring (1204) and one end of the swing arm (1202) are hinged to each other; an elastic pull-back structure (1203) is mounted on one side of the top of the base (1); the elastic pull-back structure (1203) is used to reset the swing arm (1202); and an arc-shaped inner concave surface is provided on the outer wall of one side of the swing arm (1202) close to the cam rotating member (1201).
6. A trimming device according to claim 5, characterized in that: The elastic pull-back structure (1203) comprises a T-shaped column fixed to one side of the top end of the base (1) and one side of the top end of the swing arm (1202), and a tension spring is installed between the two T-shaped columns.
7. A trimming device according to claim 1, characterized in that: The opposite sides of the blades of the main cutting knife (8) and the auxiliary cutting knife (10) are provided with cutting portions (11).
Citation Information
Patent Citations
Trimming device
CN212520092U