Electric pruning shears with anti-pinch function

Abstract

The utility model discloses a pair of electric pruning shears with an anti-pinch function, which comprises a control machine box, a handheld handle is welded and fixed at the rear end of the control machine box, a control switch is arranged on the side surface of the control machine box, a rechargeable battery and a driving motor are respectively arranged in the handheld handle, and the control switch is connected with the rechargeable battery. The output end of the driving motor is fixedly connected with a first gear through a transmission shaft, the upper end of a second gear is connected with a first bearing piece through a shaft, one end of the swing connecting rod is connected with a first shear blade through a shifting block, and the upper end of the first shear blade is connected with a second shear blade through a movable shaft. According to the pruning shears, the convenient electric driving mechanism is arranged and can be matched with the gear meshing transmission structure under the driving action of the motor, the swing connecting rod is promoted to drive the shear blade on the shifting block to conduct pruning and cutting operation, the whole pruning shears are operated by manually holding the handle, the hand of an operator can be effectively prevented from making direct contact with the pruning shears, and the pruning shears are convenient to use. And a good anti-pinch protection function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric pruning shears, in particular to an electric pruning shear with a hand-pinching prevention function. Background Art

[0002] Pruning shears, also known as garden shears or pruning shears, are a gardening tool used to prune branches, leaves and small branches of plants. The electric pruning shears currently used in the market are widely welcomed by fruit farmers because of their small size, light weight, easy to carry and high pruning efficiency. Its application in fruit branch pruning not only reduces the workload, but also avoids occupational diseases caused by holding manual scissors for a long time.

[0003] The Chinese authorized patent document with the announcement number CN202514338U discloses an electric pruning shear, including an electric pruning shear, including a housing, a motor, a swing gear, a planetary gear set, a Hall element, a moving knife and a fixed knife, characterized in that: a knife-changing hole and a knife-changing hole cover are provided on one side of the housing of the electric pruning shear, a pin is provided in the hinge hole of the moving knife, the fixed knife and the swing gear sleeve, an eccentric wheel and an eccentric wheel handle are provided below the pin, a square shaft matching the square hole on the fixed knife and a round shaft matching the swing gear sleeve are provided on the pin, the fixed knife is provided on the square shaft of the pin, the swing gear sleeve is provided on the round shaft of the pin, the moving knife is provided on the swing gear sleeve, the moving knife and the swing gear sleeve are connected as one body, a card slot is provided at the tail end of the eccentric wheel handle, a slide slot is provided at the knife-changing hole on one side of the housing of the electric pruning shear, and a locking switch is provided in the slide slot. The utility model has the advantages of no auxiliary tools required when changing the knife, simple operation and convenience.

[0004] In the above-mentioned prior art, when using the electric pruning shears, there are problems such as inconvenient operation and use, and easy pinching of hands causing injuries to people. Therefore, it is necessary to develop an electric pruning shear with an anti-pinch function. Utility Model Content

[0005] The purpose of the utility model is to provide an electric pruning shear with an anti-pinch function to solve the problem that in the prior art proposed in the above background technology, the electric pruning shear is inconvenient to operate and use, and is easy to pinch hands and cause personal injuries during use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric pruning shear with an anti-pinch function, comprising a control box, a hand handle is welded and fixed to the rear end of the control box, a control switch is provided on the side surface of the control box, a rechargeable battery and a drive motor are respectively installed inside the hand handle, an output end of the drive motor is fixedly connected to a first gear through a transmission shaft, the first gear is connected to a second gear through meshing transmission, the upper end of the second gear is connected to a first bearing member through a shaft, the lower end of the second gear is connected to a swing connecting rod through a rotating shaft, one end of the swing connecting rod is connected to a first scissor blade through a toggle block, and the upper end of the first scissor blade is connected to the second scissor blade through a movable shaft.

[0007] Preferably, a second bearing is mounted on the rotating shaft.

[0008] Preferably, a sealing upper cover is provided on the upper end surface of the control box, and a detachable structure is formed between the sealing upper cover and the control box.

[0009] Preferably, a mounting groove is provided inside the sealing upper cover, and the second gear is located inside the mounting groove.

[0010] Preferably, limiting slots are provided at corresponding positions on the surfaces of the sealing upper cover and the control box, and the sealing upper cover and the control box are fixedly connected by limiting screws passing through the limiting slots.

[0011] Preferably, the rechargeable battery is arranged on one side of the driving motor, and the rechargeable battery and the driving motor are connected by a wire.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses the utility model is provided with a convenient electric driving mechanism, can cooperate with the gear meshing transmission structure under the driving action of the motor, prompts the swing connecting rod to drive the scissor blades on the toggle block to perform pruning and cutting operations, the whole equipment is operated by a manual hand handle, can effectively avoid the operator's hand from directly contacting with the pruning shears, has a good anti-pinch hand protection function, and has the advantages of easy switch use and convenient operation by providing an electric driving device that is easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the partial installation structure of the utility model;

[0017] Figure 4It is a schematic diagram of the internal structure of the control box of the utility model.

[0018] In the figure: 1. Handle; 2. Sealing cover; 3. Movable shaft; 4. Second scissor blade; 5. Control switch; 6. First scissor blade; 7. Rechargeable battery; 8. Driving motor; 9. Limiting slot; 10. Control box; 11. Transmission shaft; 12. First gear; 13. Second gear; 14. Second bearing; 15. Rotating shaft; 16. Toggle block; 17. Mounting slot; 18. First bearing; 19. Limiting screw; 20. Swing connecting rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-4 The utility model provides an embodiment: an electric pruning shear with an anti-pinch function, comprising a control box 10, a hand-held handle 1 is welded and fixed to the rear end of the control box 10, a control switch 5 is arranged on the side surface of the control box 10, a rechargeable battery 7 and a drive motor 8 are respectively installed inside the hand-held handle 1, an output end of the drive motor 8 is fixedly connected to a first gear 12 through a transmission shaft 11, the first gear 12 is connected to a second gear 13 through meshing transmission, the upper end of the second gear 13 is connected to a first bearing member 18 through an axis, the lower end of the second gear 13 is connected to a swing link 20 through a rotating shaft 15, one end of the swing link 20 is connected to a first scissor blade 6 through a toggle block 16, and the upper end of the first scissor blade 6 is connected to a second scissor blade 4 through a movable shaft 3.

[0021] Furthermore, a second bearing 14 is mounted on the rotating shaft 15 to reduce the friction of the shaft.

[0022] Furthermore, a sealing cover 2 is provided on the upper surface of the control box 10, and a detachable structure is provided between the sealing cover 2 and the control box 10, so as to facilitate rapid sealing and fixing of the upper surface of the control box 10, thereby achieving the advantage of convenient installation and disassembly.

[0023] Furthermore, a mounting groove 17 is provided inside the sealing upper cover 2, and the second gear 13 is located inside the mounting groove 17, so as to facilitate the limited installation and protection of the gear component.

[0024] Furthermore, limiting slots 9 are provided at corresponding positions on the surfaces of the sealing upper cover 2 and the control box 10, and the sealing upper cover 2 and the control box 10 are fixedly connected by limiting screws 19 passing through the limiting slots 9, which has the advantages of convenient connection and alignment and convenient installation and disassembly.

[0025] Furthermore, the rechargeable battery 7 is arranged on one side of the driving motor 8 , and the rechargeable battery 7 and the driving motor 8 are connected by a wire, so as to conveniently supply power to the driving motor 8 .

[0026] Working principle: When in use, a hand-held handle 1 is welded and fixed to the rear end of the control box 10, and the hand-held handle 1 is convenient for the operator to hold and perform pruning operations. A rechargeable battery 7 and a drive motor 8 are respectively installed inside the hand-held handle 1. A control switch 5 is arranged on the side surface of the control box 10. Pressing the control switch 5 is convenient for connecting the power supply at the drive motor 8, so as to conveniently start the drive motor 8 for electric operation. The output end of the drive motor 8 is fixedly connected to the first gear 12 through the transmission shaft 11, so as to drive and control the first gear 12 to rotate rapidly. The first gear 12 is connected to the second gear 13 through meshing transmission. The lower end of the second gear 13 is connected to the swing link 20 through the rotating shaft 15. The rotation of the second gear 13 drives the swing link 20 to transmit. One end of the swing link 20 is connected to the first scissor blade 6 through the toggle block 16. The swing link 20 drives the first scissor blade 6 on the toggle block 16 to perform pruning and cutting operations. The whole equipment is operated by the manual hand-held handle 1, which can effectively avoid direct contact between the operator's hand and the pruning shears, and has a good anti-pinch hand protection function.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric pruning shear with a hand-pinch prevention function, comprising a control box (10), characterized in that: A hand-held handle (1) is welded and fixed to the rear end of the control box (10), a control switch (5) is arranged on the side surface of the control box (10), a rechargeable battery (7) and a drive motor (8) are respectively installed inside the hand-held handle (1), an output end of the drive motor (8) is fixedly connected to a first gear (12) via a transmission shaft (11), the first gear (12) is connected to a second gear (13) via meshing transmission, the upper end of the second gear (13) is connected to a first bearing member (18) via a shaft, the lower end of the second gear (13) is connected to a swing link (20) via a rotating shaft (15), one end of the swing link (20) is connected to a first scissor blade (6) via a toggle block (16), and the upper end of the first scissor blade (6) is connected to a second scissor blade (4) via a movable shaft (3).

2. The electric pruning shears with anti-pinch function according to claim 1, characterized in that: A second bearing member (14) is mounted on the rotating shaft (15).

3. The electric pruning shears with anti-pinch function according to claim 1, characterized in that: The upper surface of the control box (10) is provided with a sealing upper cover (2), and a detachable structure is formed between the sealing upper cover (2) and the control box (10).

4. The electric pruning shears with anti-pinch function according to claim 3, characterized in that: The sealing upper cover (2) is provided with a mounting groove (17) inside, and the second gear (13) is located inside the mounting groove (17).

5. The electric pruning shears with anti-pinch function according to claim 4, characterized in that: Limiting slots (9) are provided at corresponding positions on the surfaces of the sealing upper cover (2) and the control box (10), and the sealing upper cover (2) and the control box (10) are fixedly connected by limiting screws (19) passing through the limiting slots (9).

6. The electric pruning shears with anti-pinch function according to claim 1, characterized in that: The rechargeable battery (7) is arranged on one side of the driving motor (8), and the rechargeable battery (7) and the driving motor (8) are connected via a wire.

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