CN210491773U

CN210491773U - High branch scissors convenient to operation

Info

Publication number: CN210491773U
Application number: CN201921367349.3U
Authority: CN
Inventors: 常伟光; 王斌
Original assignee: Hebei Construction Group Garden Engineering Co ltd
Current assignee: Hebei Construction Group Garden Engineering Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-12
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a averruncator convenient to operation belongs to averruncator technical field. A transmission mechanism is arranged between the cutting part of the high branch scissors and the supporting rod. The shearing part comprises a shearing rod, a fixed blade and a power-assisted rod are arranged at the top of the shearing rod, a movable blade is hinged with the power-assisted rod and a fixed blade, and a first spring is arranged between the fixed blade and the power-assisted rod. The supporting rod comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is clamped with the shearing rod through a clamping structure, and the other end of the first connecting rod is in threaded connection with the second connecting rod; the transmission mechanism comprises a first pulley and a second pulley, the first pulley is arranged at one end of the boosting rod, and the second pulley is arranged on the first connecting rod. One end of the tension rope is fixed on the boosting rod, and the other end of the tension rope is wound on the take-up reel on the second connecting rod. The bottom of the second connecting rod is hinged with a circular arc-shaped clamping plate. The utility model adopts the above structure convenient operation's averruncator can solve the averruncator operation inconvenient, connect unstable problem.

Description

High branch scissors convenient to operation

Technical Field

The utility model belongs to the technical field of averruncator technique and specifically relates to a averruncator convenient to operation is related to.

Background

A high branch shear is a garden gardening pruning tool and mainly aims at shearing off high-altitude branches of small trees. According to the existing high branch scissors, the bottom of each shearing rod is provided with a covered edge, the covered edges are connected through screw tightening, and are wrapped outside the supporting rods, the connection mode is not firm, and the shearing part is unstable in work. In addition, the pull rope driving the movable blade to work is pulled manually by an operator, the operator pulls the pull rope with one hand and controls the supporting rod with the other hand, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a averruncator convenient to operation solves averruncator operation inconvenient, connect unstable problem.

In order to achieve the purpose, the utility model provides a pair of high branch scissors which is convenient to operate, comprising a cutting part and a supporting rod, wherein a transmission mechanism is arranged between the cutting part and the supporting rod; the shearing part comprises a shearing rod, a fixed blade and a power-assisted rod are arranged at the top of the shearing rod, the middle of the power-assisted rod is hinged with one end of the movable blade, the middle of the movable blade is hinged with the fixed blade, and a first spring is arranged between the fixed blade and one end of the power-assisted rod, which is far away from the shearing rod;

the supporting rod is a telescopic rod and comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is clamped with the shearing rod through a clamping structure, a screw thread is arranged on the outer surface of the other end of the first connecting rod, an internal thread matched with the screw thread is arranged at the upper part of the second connecting rod, and the first connecting rod and the second connecting rod are connected through the screw thread and the internal thread and are adjusted in length;

the transmission mechanism comprises a first pulley and a second pulley, the first pulley is arranged at one end, far away from the shearing rod, of the power-assisted rod, the second pulley is arranged on the first connecting rod, and the first pulley is connected with the second pulley through a tension rope; one end of the tension rope is fixed on the boosting rod, the other end of the tension rope is wound on the take-up reel, the take-up reel is arranged at the lower part of the second connecting rod through a bracket, and a crank is arranged on the side surface of the take-up reel close to the edge;

the bottom of the second connecting rod is hinged with a circular arc-shaped clamping plate.

Preferably, a rotating shaft is fixed on the bracket, and the take-up reel is rotatably connected with the rotating shaft through a bearing; a guide wheel is arranged on the second support rod and close to the take-up reel.

Preferably, the clamping plate is provided with a lifting lug, the lifting lug is rotatably connected with the bottom of the second connecting rod through a pin shaft, and a rubber pad is arranged on one side face, away from the second connecting rod, of the clamping plate.

Preferably, the top of the fixed blade is fixed with a bent saw through a bolt.

Preferably, the joint structure includes slide bar and movable sleeve, and the slide bar setting is at the top of connecting rod one, and the movable sleeve cover is established in the bottom of shearing arm, is provided with spring two between movable sleeve and the shearing arm, is provided with the spacing arch of positioning spring two on the internal surface of movable sleeve, is provided with the card ball in the movable sleeve, and the position that corresponds the card ball on the lateral wall of shearing arm is provided with the through-hole, and the diameter of through-hole is not more than the diameter of card ball, is provided with the ring groove who uses with the cooperation of card ball on the slide bar.

Preferably, the end of the sliding rod is provided with a limit groove, and the side wall of the shearing rod is provided with a limit pin

A averruncator convenient to operation, through joint structural connection between shearing part and the bracing piece, not only connect conveniently, easily operation moreover, the sound construction. Be provided with the take-up reel on the connecting rod two, be provided with the crank on the take-up reel, thereby rotate the take-up reel through the crank and drive the activity sword motion, avoid operating personnel directly to drag the pulling force rope with the hand, improved the convenience of operation. The clamping plate at the bottom of the connecting rod II can be clamped at the waist, and the supporting rod is supported by the force of the waist, so that the hand pressure is reduced.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a high branch shear of the present invention, which is easy to operate;

FIG. 2 is a schematic view of a splint structure of an embodiment of a high branch shear convenient to operate according to the present invention;

FIG. 3 is a schematic view of a supporting rod of an embodiment of the high branch shears of the present invention;

fig. 4 is a schematic view of a clamping structure of an embodiment of the high branch shears of the present invention, which is convenient for operation.

Reference numerals

1. A shear bar; 2. fixing the blade; 3. a movable blade; 4. bending and sawing; 5. a booster lever; 6. a first spring; 7. a pin shaft; 8. a first pulley; 9. a second pulley; 10. a tension rope; 11. a first connecting rod; 12. a second connecting rod; 13. a guide wheel; 14. a support; 15. a take-up reel; 16. a splint; 17. an ear plate; 18. a rubber pad; 19. a rotating shaft; 20. a crank; 21. a slide bar; 22. a movable sleeve; 23. a card slot; 24. a limiting groove; 25. blocking the ball; 26. a second spring; 27. and a limiting pin.

Detailed Description

Examples

Fig. 1 is the utility model relates to a structure schematic diagram of averruncator embodiment convenient to operation, fig. 2 is the utility model relates to a splint structure schematic diagram of averruncator embodiment convenient to operation, fig. 3 is the utility model relates to a bracing piece structure schematic diagram of averruncator embodiment convenient to operation. As shown in the figure, the high branch scissors convenient to operate comprise a shearing part and a supporting rod, and a transmission mechanism is arranged between the shearing part and the supporting rod. The shearing part comprises a shearing rod 1, the bottom of the shearing rod 1 is of a hollow structure, and a fixed blade 2 and a power-assisted rod 5 are welded at the top of the shearing rod. The middle part of the boosting rod 5 is hinged with one end of the movable blade 3 through a pin shaft 7, and the middle part of the movable blade 3 is hinged with the fixed blade 2. A first reset spring 6 is arranged between the fixed blade 2 and one end of the boosting rod 5 far away from the shearing rod 1. The top of the fixed blade 2 is fixed with a curved saw 4 through a bolt, and the curved saw 4 can trim branches at higher positions.

The bracing piece is telescopic rod structure, can satisfy the needs of tailorring of not co-altitude branch. The bracing piece includes connecting rod one 11 and connecting rod two 12, and the top of connecting rod one 11 passes through the joint structure joint with shear bar 1. The outer surface of the bottom end of the first connecting rod 11 is provided with a screw thread with a certain distance, the upper portion of the second connecting rod 12 is provided with an internal thread matched with the screw thread, and the first connecting rod 11 and the second connecting rod 12 are connected through the screw thread and the internal thread and adjust the length of the supporting rod. The first connecting rod 11 and the second connecting rod 12 are connected in a threaded and internal thread mode, so that the connection is firm, and the length adjustment is convenient.

The transmission mechanism comprises a first pulley 8 and a second pulley 9, the first pulley 8 is rotatably arranged on the support, and the support is welded at one end, far away from the shearing rod 1, of the power-assisted rod 5. The second pulley 9 is rotatably arranged on a support on the first connecting rod 11. The pulley I8 is connected with the pulley II 9 through a tension rope 10. One end of the tensile rope 10 is fixed on the support on the boosting rod 5, and the other end is wound on the take-up reel 15. The take-up reel 15 is arranged at the lower part of the second connecting rod 12 through a bracket 14, the bracket 14 is fixedly welded on the second connecting rod 12, a rotating shaft 19 is fixed on the bracket 14, and the take-up reel 15 is rotatably connected with the rotating shaft 19 through a bearing. And a guide wheel 13 for guiding the tensile rope 10 is arranged on the second support rod and is close to the take-up reel 15. The side of the take-up reel 15 is close to the edge and is fixedly provided with a crank 20, the take-up reel 15 is rotated through the crank 20 to realize tensioning of the tension rope 10, and the tension rope 10 drives the movable blade 3 to move for shearing operation. The operator can realize the shearing operation by rotating the crank 20, and both hands of the operator are in contact with the supporting rods, so that the convenience of operation is improved.

The bottom of the second connecting rod 12 is hinged with a circular arc-shaped clamping plate 16. An ear plate 17 is welded on the clamping plate 16, and the ear plate 17 is rotatably connected with the bottom of the second connecting rod 12 through a pin shaft 7. The rotationally attached clamp plate 16 can accommodate different angles. A rubber pad 18 is arranged on one side of the clamping plate 16 far away from the second connecting rod 12. The splint 16 can be placed on the waist of the operator, and supports the cutting portion by the waist strength, thereby reducing the burden on the hand.

The clamping structure comprises a sliding rod 21 and a movable sleeve 22, the sliding rod 21 is arranged at the top of the first connecting rod 11, and the movable sleeve 22 is sleeved at the bottom of the shearing rod 1. A second spring 26 is arranged between the movable sleeve 22 and the shearing rod 1, and a limiting bulge for positioning the second spring 26 is arranged on the inner surface of the movable sleeve 22. The top of the second spring 26 is fixed on a boss on the outer wall of the shear bar 1, and the bottom of the second spring 26 is fixed on a limiting bulge on the inner surface of the movable sleeve 22. A clamping ball 25 is arranged in the movable sleeve 22, and a through hole is arranged on the side wall of the shearing rod 1 corresponding to the clamping ball 25. The diameter of the through hole is not larger than the diameter of the ball 25. The sliding rod 21 is provided with an annular clamping groove 23 matched with the clamping ball 25. The end of the sliding rod 21 is provided with a U-shaped limiting groove 24, and the side wall of the shearing rod 1 is provided with a limiting pin 27 to prevent the shearing rod 1 and the first connecting rod 11 from rotating relatively.

When the shearing device is used, pressure is applied to the movable sleeve 22, the second spring 26 is compressed, the movable sleeve 22 moves upwards relative to the shearing rod 1, and a larger moving space is provided for the ball 25 below the limiting protrusion in the movable sleeve 22; the slide rod 21 is inserted into the shear rod 1, the limit pin 27 is aligned with the limit groove 24, and the clamping ball 25 moves towards the space below the limit bulge under the extrusion of the side wall of the slide rod 21, so that the slide rod 21 can be smoothly inserted into the shear rod 1. The force applied to the movable sleeve 22 is released, the movable sleeve 22 moves downwards under the action of the second spring 26, the clamping ball 25 moves towards the through hole in the side wall of the shearing rod 1 under the extrusion of the limiting protrusion, and the clamping ball 25 is clamped into the clamping groove 23 to realize the reliable connection of the first connecting rod 11 and the shearing rod 1. When the movable sleeve is disassembled, the movable sleeve 22 is exerted with upward force, and the sliding rod 21 is directly pulled out. In order to improve the connection strength between the first connecting rod 11 and the shear bar 1, the clamping balls 25 may be provided in plurality. The clamping structure is adopted to realize the connection between the shearing part and the supporting rod, so that the connection operation is convenient, and the connection is firmer.

Therefore, the utility model adopts the above structure conveniently operated averruncator can solve the problem that the averruncator is inconvenient to operate and unstable to connect.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. A pair of high branch scissors convenient to operate comprises a cutting part and a supporting rod, wherein a transmission mechanism is arranged between the cutting part and the supporting rod; the method is characterized in that: the shearing part comprises a shearing rod (1), a fixed blade (2) and a power-assisted rod (5) are arranged at the top of the shearing rod (1), the middle of the power-assisted rod (5) is hinged with one end of a movable blade (3), the middle of the movable blade (3) is hinged with the fixed blade (2), and a first spring (6) is arranged between the fixed blade (2) and one end, far away from the shearing rod (1), of the power-assisted rod (5);

the supporting rod is a telescopic rod and comprises a first connecting rod (11) and a second connecting rod (12), one end of the first connecting rod (11) is clamped with the shearing rod (1) through a clamping structure, a screw thread is arranged on the outer surface of the other end of the first connecting rod (11), an internal thread matched with the screw thread is arranged on the upper portion of the second connecting rod (12), and the first connecting rod (11) and the second connecting rod (12) are connected through the screw thread and the internal thread and are adjusted in length;

the transmission mechanism comprises a first pulley (8) and a second pulley (9), the first pulley (8) is arranged at one end, far away from the shearing rod (1), of the power-assisted rod (5), the second pulley (9) is arranged on the first connecting rod (11), and the first pulley (8) is connected with the second pulley (9) through a tension rope (10); one end of the tension rope (10) is fixed on the boosting rod (5), the other end of the tension rope (10) is wound on the take-up reel (15), the take-up reel (15) is arranged at the lower part of the second connecting rod (12) through a support (14), and a crank (20) is arranged on the side surface of the take-up reel (15) close to the edge;

the bottom of the second connecting rod (12) is hinged with an arc-shaped clamping plate (16).

2. An easily operated secateurs as claimed in claim 1, wherein: a rotating shaft (19) is fixed on the support (14), and the take-up reel (15) is rotatably connected with the rotating shaft (19) through a bearing; a guide wheel (13) is arranged on the second support rod close to the take-up reel (15).

3. An easily operated secateurs as claimed in claim 1, wherein: a lifting lug is arranged on the clamping plate (16), the lifting lug is rotatably connected with the bottom of the second connecting rod (12) through a pin shaft (7), and a rubber pad (18) is arranged on one side surface, away from the second connecting rod (12), of the clamping plate (16).

4. An easily operated secateurs as claimed in claim 1, wherein: the top of the fixed blade (2) is fixed with a bent saw (4) through a bolt.

5. An easily operated secateurs as claimed in claim 1, wherein: the clamping structure comprises a sliding rod (21) and a movable sleeve (22), the sliding rod (21) is arranged at the top of a first connecting rod (11), the bottom of a shearing rod (1) is sleeved with the movable sleeve (22), a second spring (26) is arranged between the movable sleeve (22) and the shearing rod (1), a limiting bulge of the second positioning spring (26) is arranged on the inner surface of the movable sleeve (22), a clamping ball (25) is arranged in the movable sleeve (22), a through hole is formed in the position, corresponding to the clamping ball (25), on the side wall of the shearing rod (1), the diameter of the through hole is not larger than that of the clamping ball (25), and an annular clamping groove (23) matched with the clamping ball (25) in use is formed in the sliding rod (21).

6. A pair of easy-to-operate secateurs as claimed in claim 5, wherein: the end of the sliding rod (21) is provided with a limiting groove (24), and the side wall of the shearing rod (1) is provided with a limiting pin (27).