CN215836054U - High branch scissors - Google Patents

Abstract

The utility model relates to a pair of high branch scissors, which comprises a cutter head, a hollow rod, an extension rod, a base rod, a handle, a fixed handle, a rotating handle, a first end part, a second end part, a reset spring, a rotating hinge, a fixed seat, a fastening bolt, a cutter head frame, a fixed head, a screw, a fixed knife edge, a movable knife edge, a tension end part, a fulcrum bolt, a compression spring I, a rope, an auxiliary support handle and the like, and has the characteristics of simple and reasonable structure, high working efficiency, accurate positioning, convenient and labor-saving operation, simple and easy manufacture and assembly and lower cost, in addition, the high branch scissors of the utility model are also provided with a collecting bag or a clamping mechanism, when the high branch scissors are applied to plant trimming on a cliff, the useful herbal medicines or branches and leaves or fruits which are trimmed can be effectively prevented from falling to the cliff, and when the trimmed objects are collected, can also play a role in buffering and prevent cut objects such as fruits from falling and being injured.

Description

High branch scissors

Technical Field

The utility model relates to high branch scissors, in particular to novel high branch scissors, and belongs to the field of agricultural and forestry tools.

Background

When pruning trees branch that is higher than the human body height, ordinary pruning scissors just are difficult to can, the averruncator that uses in the existing market, fix a great fruit tree scissors on a wooden pole top, prune the fruit tree branch with a rope braking scissors, the function is single, and holding rod, pulling rope on one hand, the scissors is not easily controlled, the location is inaccurate, the time is long, both arms are very easily tired, hardly reach the reasonable pruning to the fruit tree, in addition, when the averruncator is in cliff department operation, be used for picking famous and precious plant (for example branch and leaf, fruit, flower etc.) usually, the plant branch and leaf that is cut off need be collected, but current averruncator lacks collection device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a tree pruner, which solves the above problems of the prior art. The utility model is realized by the following technical scheme:

a high branch shear comprises a cutter head, a hollow rod and a handle, wherein the cutter head is arranged at one end of the hollow rod, the handle is arranged at the other end of the hollow rod, the cutter head comprises a cutter head frame and a movable cutter edge, the cutter head frame is provided with a cylindrical fixed head, the fixed head is fixedly connected with the end part of the hollow rod, a fixed cutter edge is fixedly arranged on the fixed head, a first pivot hole is arranged on the movable cutter edge, a second pivot hole is arranged on the fixed cutter edge, and a fulcrum bolt penetrates through the first pivot hole and the second pivot hole; the tail end of the movable knife edge is provided with a pulling force end part, an extension line of the pulling force end part is perpendicular to that of the movable knife edge, and a first compression spring is arranged between the pulling force end part and the fixed head; the handle comprises a fixed handle and a rotating handle, the fixed handle is rotatably connected with the rotating handle through a rotating hinge, the rotating handle is provided with a first end part and a second end part, the first end part and the second end part are fixedly connected or are in an integrated structure, the first end part and the second end part are approximately vertically arranged, and the rotating hinge is arranged on the second end part and is far away from the first end part; a return spring is arranged between the first end part and the fixed handle; the fixed handle is fixedly connected with the hollow rod through a fixed seat; a fastening bolt is arranged at a right angle formed by the first end part and the second end part, the fastening bolt is aligned with the cavity of the hollow rod when the spring is in a reset state, and a rope is connected between the fastening bolt and the tension end part;

as a preferred embodiment, preferably, when the high branch shears are applied to cliff or branches and leaves cut by the high branch shears are inconvenient to collect, the support ring can be fixed on one side of the fixing head, which is away from the fixing knife edge, through a detachable connection manner such as bolts, and the like, and is fixedly connected with the opening end of the cloth bag, the neck of the cloth bag is provided with a plurality of restraint belts, the restraint belts are sleeved on the auxiliary support handle 9, the lower end of the cloth bag can be fixed by means of the auxiliary support handle, the cloth bag is prevented from drifting with wind in the high branch shearing process to influence the visual field, and the position of the cloth bag is also restrained when the branches and leaves cut by the high branch shears slide in the cloth bag, so that the branches and leaves are prevented from swinging and injuring operators by mistake;

as a preferred embodiment, preferably, the secateurs further comprises a clamping mechanism, the clamping mechanism comprises clamping pincers, an inlay frame and a control lever, the inlay frame is fixed on the fixing head, the inlay frame is of a hollow structure, the inlay frame is arranged on the fixing head and on one side away from the fixing knife edge, the inlay frame is of a hollow structure, a pair of clamping pincers are arranged at the top end of the inlay frame through a rotating hinge, the clamping pincers are of an arc-shaped structure, the inlay frame is of a hollow structure, the control lever is arranged in the hollow structure of the inlay frame, the cross section of one end of the control lever is in a shape of Chinese character 'tu', and the other end of the control lever penetrates through a through hole in the auxiliary support handle;

as a preferred embodiment, the length of the cloth bag can be long enough, and then the lowest end of the cloth bag is directly placed on the ground to reduce the weight of the tree pruner;

as a preferred embodiment, the lower end of the cloth bag is preferably provided with a zipper and other opening devices, when a certain number of branches and leaves are collected by the cloth bag, the branches and leaves inside the cloth bag can be directly taken out by opening the zipper, so that the burden of an operator is reduced;

as a preferred embodiment, preferably, the fixing head is sleeved on the outer circumferential surface of the hollow rod;

preferably, the fixing head is of a hoop structure, and the fixing head is fixed on the hollow rod through a screw;

the extension rod is a hollow base rod, and the base rod is arranged in a cavity in the extension rod and can extend and contract in the cavity of the extension rod;

as a preferred embodiment, preferably, the base rod is provided with a base rod external thread, and the extension rod is provided with a movable rod external thread; the hollow rod is also provided with a fastener, the fastener is formed by fixing a first nut and a second nut, the first nut is matched with the external thread of the base rod, and the second nut is matched with the external thread of the movable rod; the extension rod and the base rod are fixed together by screwing a first nut of the fastener on the external thread of the base rod and screwing a second nut on the external thread of the movable rod of the extension rod;

as a preferred embodiment, preferably, the first nut and the second nut are fixed by welding;

as a preferred embodiment, preferably, the rope is a steel wire rope;

as a preferred embodiment, preferably, a support ring is arranged on one side of the fixing head, which is away from the fixing knife edge, the support ring is fixedly connected with the opening end of the cloth bag, and a plurality of restraint belts are arranged at the neck of the cloth bag;

preferably, the hollow bar is provided with reinforcing ribs on its outer circumference.

The utility model has the beneficial effects that: the device has the characteristics of simple and reasonable structure, high working efficiency, accurate positioning, convenient and labor-saving operation, simple manufacturing and assembly and lower cost; the utility model discloses a high branch is cut and is still equipped with collection bag or fixture, when the plant of high branch is cut of cutting application on cliff, can effectively avoid being cut useful herbal medicine or branch and leaf or fruit etc. that come down and fall the cliff, avoid it can't collect, and when collecting the thing of cutting, also can play the cushioning effect, prevent for example that the thing of cutting such as fruit is fallen and is hindered.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of the secateurs according to the utility model;

fig. 2 is an enlarged view of the first embodiment of the present invention at the cutting head;

FIG. 3 is an enlarged view of the present invention at the handle;

FIG. 4 is an enlarged view of the hollow pole of the high branch shears of the present invention;

FIG. 5 is an enlarged view of the hollow pole of the high branch shears of the present invention after removal of the fasteners;

FIG. 6 is a schematic structural view of a high branch shears according to a second embodiment of the present invention;

fig. 7 is an enlarged view of a second embodiment of the secateurs according to the utility model at the cutting head;

FIG. 8 is a schematic structural view of a tree pruner according to a third embodiment of the present invention;

fig. 9 is a schematic structural view of a holding mechanism in a third embodiment of the present invention.

Reference numerals: the tool bit comprises a tool bit 1, a hollow rod 2, an extension rod 2.1, a base rod 2.2, a handle 3, a fixed handle 3.1, a rotating handle 3.2, a first end portion 3.21, a second end portion 3.22, a return spring 3.3, a rotating hinge 3.4, a fixed seat 3.5, a fastening bolt 3.6, a tool bit frame 4, a fixed head 4.1, a screw 4.11, a fixed knife edge 4.2, a movable knife edge 5, a tension end portion 5.1, a fulcrum bolt 6, a compression spring I7, a rope 8, an auxiliary support handle 9, a support ring 10, a cloth bag 11, a restraint strap 12, a clamping clamp 13, an inlay frame 14 and an operating rod 15.

Detailed Description

With reference to fig. 1-2 of the specification, a pair of high branch shears includes a cutter head 1, a hollow rod 2, and a handle 3, wherein the cutter head is disposed at one end of the hollow rod, the handle is disposed at the other end of the hollow rod, the cutter head includes a cutter head frame 4 and a movable cutter edge 5, the cutter head frame 4 has a cylindrical fixed head 4.1, the fixed head 4.1 is fixedly connected with an end of the hollow rod 2, the fixed head 4.1 is fixedly provided with a fixed cutter edge 4.2, the movable cutter edge 5 is provided with a first pivot hole, the fixed cutter edge is provided with a second pivot hole, and a fulcrum bolt 6 penetrates through the first pivot hole and the second pivot hole; the tail end of the movable knife edge 5 is provided with a tension end part 5.1, the extension line of the tension end part 5.1 is vertical to the extension line of the movable knife edge 5, and a compression spring I7 is arranged between the tension end part 5.1 and the fixed head 4.1; the handle 3 comprises a fixed handle 3.1 and a rotating handle 3.2, the fixed handle 3.1 is rotatably connected with the rotating handle 3.2 through a rotating hinge 3.4, the rotating handle 3.2 is provided with a first end part 3.21 and a second end part 3.22, the first end part 3.21 is fixedly connected with the second end part 3.22 or is in an integral structure, the first end part 3.21 is approximately vertically arranged with the second end part 3.22, and the rotating hinge 3.4 is arranged on the second end part 3.22 and is far away from the first end part 3.21; a return spring 3.3 is arranged between the first end part 3.21 and the fixed handle 3.1; the fixed handle 3.1 is fixedly connected with the hollow rod 2 through a fixed seat 3.5; a fastening bolt 3.6 is arranged at the right angle formed by the first end portion 3.21 and the second end portion 3.22, the fastening bolt 3.6 is aligned with the cavity of the hollow bar 2 in the reset state of the spring, and a rope 8 is connected between the fastening bolt 3.6 and the tension end portion 5.1.

The fixing head 4.1 is sleeved on the outer circumferential surface of the hollow rod.

Fixed head 4.1 be the clamp structure, fixed head 4.1 fix through screw 4.11 hollow rod on.

The telescopic base rod comprises an extension rod 2.1 and a base rod 2.2, wherein the extension rod 2.1 is a hollow base rod, and the base rod 2.2 is arranged in a cavity in the extension rod 2.1 and can be stretched and retracted in the cavity of the extension rod 2.1.

The base rod 2.2 is provided with a base rod external thread, and the extension rod 2.1 is provided with a movable rod external thread; the hollow rod 2 is also provided with a fastener, the fastener is formed by fixing a first nut and a second nut, the first nut is matched with the external thread of the base rod, and the second nut is matched with the external thread of the movable rod; the extension rod 2.1 and the base rod 2.2 are fixed together by screwing a first nut of the fastener to the base rod external thread of the base rod 2.2 and screwing a second nut to the movable rod external thread of the extension rod 2.1.

And the first nut and the second nut are fixed by welding.

The rope 8 is a steel wire rope.

The use principle is as follows: according to the height of an object to be pruned (such as branches, fruits or high-position cables and the like), the length of a hollow rod is adjusted (namely the length of a basic rod and an extension rod is coincident), then the length of the hollow rod is fixed through a bolt), then the hollow rod is stretched and straightened, one end, close to a handle, of a rope is fastened through a fastening bolt, the rope is in a stretched state inside the hollow rod at the moment, a cutter head is close to the object to be pruned, the fixed handle and the rotating handle are tightly held by hands, tension is applied to the rope through a rotating hinge, and then a movable cutter edge and the fixed cutter edge are pivoted at a fulcrum bolt to achieve pruning action.

As a further example (with cloth bag 11) principle of use: when the high branch shears are applied to cliff or are not convenient to collect branches and leaves sheared by the high branch shears, the support ring 10 can be fixed on one side of the fixing head 4.1, which is away from the fixing knife edge 4.2, through the detachable connection mode such as bolts, the support ring 10 is fixedly connected with the opening end of the cloth bag 11, a plurality of restraint belts are arranged at the neck of the cloth bag 11, the restraint belts are sleeved on the auxiliary support handle 9 and can be used for fixing the lower end of the cloth bag 11 by means of the auxiliary support handle 9, the cloth bag 11 is prevented from drifting along with wind in the pruning process of the high branch shears to influence the visual field, and the branches and leaves sheared by the high branch shears are also guaranteed to be subjected to position restraint on the cloth bag when falling off in the cloth bag, so that the branches and leaves are prevented from swinging, and operators are prevented from being accidentally injured. The plurality of restraint belts 12 can be suitable for the cloth bag to be well fixed under different stretching lengths of the hollow rod 2. For example, when the hollow rod is short, the restraint band 12 near the support ring 10 can be hung on the auxiliary support handle 9, when the length of the hollow rod 2 is long, the restraint band 12 far from the support ring 10 can be hung on the auxiliary support handle 9, and the cloth bag 2 is mostly made of cloth material and usually has certain elasticity, so that when the length of the hollow rod 2 cannot just enable the restraint band 12 to be hung on the auxiliary support handle 9, the cloth bag can also have certain wrinkles to ensure good restraint of the position of the cloth bag.

As a use principle of the third embodiment (with the clamping mechanism): the averruncator still have fixture, add and hold the mechanism and include centre gripping pincers 13, inlay frame 14, control rod 15, inlay frame 14 fix on fixed head 4.1, inlay frame be hollow structure, inlay frame 14 set up on fixed head 4.1 and deviate from one side of fixed edge of a knife 4.2, inlay frame 14 be hollow structure inlay frame 14's top be provided with a pair of centre gripping pincers 13 through rotating the hinge, centre gripping pincers 13 be circular-arc structure, inlay frame 14 be hollow structure inlay frame hollow structure inside be provided with control rod 15, control rod 15 one end cross-section be soil style of calligraphy, control rod 15's the other end pass the through-hole on the auxiliary stay handle 9.

When high branches of target plants need to be pruned, the operating rod 15 is pushed manually, the clamping pincers 13 are opened under the action of the operating rod, then the operating rod 15 is pulled downwards, the clamping pincers 13 clamp the branches and leaves of the plants to be pruned, and then the pruning process is completed through the operating handle. Under special conditions, the pruning operation can be completed by cooperation of a plurality of persons.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. A high branch shear is characterized in that: the high branch scissors comprise a cutter head (1), a hollow rod (2) and a handle (3), wherein the cutter head is arranged at one end of the hollow rod, the handle is arranged at the other end of the hollow rod, the cutter head comprises a cutter head frame (4) and a movable cutter edge (5), the cutter head frame (4) is provided with a cylindrical fixed head (4.1), the fixed head (4.1) is fixedly connected with the end part of the hollow rod (2), the fixed head (4.1) is fixedly provided with a fixed cutter edge (4.2), the movable cutter edge (5) is provided with a first pivot hole, the fixed cutter edge is provided with a second pivot hole, and a fulcrum bolt (6) penetrates through the first pivot hole and the second pivot hole; a tension end part (5.1) is arranged at the tail end of the movable knife edge (5), the extension line of the tension end part (5.1) is perpendicular to the extension line of the movable knife edge (5), and a compression spring I (7) is arranged between the tension end part (5.1) and the fixed head (4.1); the handle (3) comprises a fixed handle (3.1) and a rotating handle (3.2), the fixed handle (3.1) is rotatably connected with the rotating handle (3.2) through a rotating hinge (3.4), the rotating handle (3.2) is provided with a first end part (3.21) and a second end part (3.22), the first end part (3.21) and the second end part (3.22) are fixedly connected or are in an integrated structure, the first end part (3.21) and the second end part (3.22) are vertically arranged, and the rotating hinge (3.4) is arranged on the second end part (3.22) and is far away from the first end part (3.21); a return spring (3.3) is arranged between the first end part (3.21) and the fixed handle (3.1); the fixed handle (3.1) is fixedly connected with the hollow rod (2) through a fixed seat (3.5); the right angle department that constitutes at first end (3.21) with second end (3.22) be provided with fastening bolt (3.6), the spring is under the reset state, fastening bolt (3.6) with the cavity alignment of hollow pole (2), fastening bolt (3.6) with pulling force end (5.1) between be connected with rope (8), fixed head (4.1) cover locate on the outer periphery face of hollow pole.

2. The secateurs according to claim 1, wherein: a support ring (10) is detachably fixed on one side of the fixing head (4.1) which is far away from the fixing knife edge (4.2), the support ring (10) is fixedly connected with the opening end of the cloth bag (11), and a plurality of restraint belts (12) are arranged at the neck part of the cloth bag (11).

3. The secateurs according to claim 1, wherein: averruncator still have fixture, fixture include centre gripping pincers (13), inlay frame (14), control rod (15), inlay frame (14) fix on fixed head (4.1), inlay frame be hollow structure, inlay frame (14) set up on fixed head (4.1) and deviate from one side of fixed edge of a knife (4.2), inlay frame (14) be hollow structure inlay frame (14) the top of inlay frame (14) be provided with a pair of centre gripping pincers (13) through rotating the hinge, centre gripping pincers (13) be circular-arc structure inlay frame hollow structure inside be provided with control rod (15), control rod (15) one end cross-section be soil style of calligraphy, the other end of control rod (15) pass the through-hole on auxiliary stay handle (9).

4. The secateurs according to any one of claims 1 to 3, wherein: fixed head (4.1) be the clamp structure, fixed head (4.1) pass through screw (4.11) and fix hollow rod on.

5. The secateurs according to claim 4, wherein: the telescopic base rod comprises an extension rod (2.1) and a base rod (2.2), wherein the extension rod (2.1) is a hollow base rod, and the base rod (2.2) is arranged in a cavity in the extension rod (2.1) and can extend and retract in the cavity of the extension rod (2.1).

6. The secateurs according to claim 5, wherein: the base rod (2.2) is provided with a base rod external thread, and the extension rod (2.1) is provided with a movable rod external thread; the hollow rod (2) is also provided with a fastener, the fastener is formed by fixing a first nut and a second nut, the first nut is matched with the external thread of the base rod, and the second nut is matched with the external thread of the movable rod; the extension rod (2.1) and the base rod (2.2) are fixed together by screwing a first nut of the fastener to the base rod external thread of the base rod (2.2) and screwing a second nut to the movable rod external thread of the extension rod (2.1).

7. The secateurs according to claim 6, wherein: and the first nut and the second nut are fixed by welding.

8. Secateurs according to claim 7, characterized in that the rope (8) is a wire rope.

9. The secateurs as claimed in claim 8, wherein an auxiliary support handle (9) is provided on the base rod at the end adjacent to the handle.

10. The secateurs as claimed in claim 9, wherein the hollow bar is provided with reinforcing ribs on its outer circumference.

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