CN210959558U

CN210959558U - Ornamental trees and shrubs trimming means

Info

Publication number: CN210959558U
Application number: CN201921180114.3U
Authority: CN
Inventors: 周艳; 郑忠标
Original assignee: Luzhou Vocational and Technical College
Current assignee: Luzhou Vocational and Technical College
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-07-10
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a gardens tree trimming field specifically discloses a gardens tree trimming means, including the telescopic link with prune the body, the bottom side of pruning the body is provided with the backing sheet, is provided with two runners on the backing sheet, prunes the body middle part and rotates the middle part of connecting at the dwang through the round pin axle, the right-hand member of dwang is provided with two runners, links to each other through the stay cord between the runner. Be provided with first torsional spring on the round pin axle, the upper end of pruning the body is provided with the couple, and it is provided with the axis of rotation to prune to rotate on the body, and fixed coaxial saw disc that is provided with in the axis of rotation of the inside of pruning the body, the distal end coaxial driven gear that is fixed with of axis of rotation, rotation connection driving gear and anchor on pruning the body, driving gear and anchor coaxial coupling, anchor are one-way pulley setting and inside is provided with the second torsional spring. The utility model discloses the advantage: simple structure, convenient operation, little cutting difficulty, time and labor saving and convenient implementation and popularization.

Description

Ornamental trees and shrubs trimming means

Technical Field

The utility model relates to an ornamental trees and shrubs field of pruning specifically is an ornamental trees and shrubs trimming means.

Background

The tree pruning is more beneficial to the growth of the tree and better in appearance, and the pruning tool is used more and more frequently; present ornamental trees and shrubs trimming means has certain drawback when using, at first, uses the saw blade to cut off the branch, needs both hands to hold the bracing piece for a long time to pulling saw blade from top to bottom is sawed off the branch, and is very big to user's physical demands, has certain inconvenience, and in addition, trimming means cuts the user easily when placing the saw blade, and the use of giving people has brought certain adverse effect.

Chinese patent (No. CN 208387374U, bulletin date 2019.01.18) discloses a garden tree pruning device, which comprises a pruning device main body, wherein a saw blade is arranged at the upper end of the pruning device main body, a mounting frame is arranged at the lower end of the saw blade, a bearing is arranged on one side of the mounting frame, a tension rope is arranged at the lower end of the bearing, a knife rest is arranged on the other side of the mounting frame, a spring is arranged on the outer surface of the lower end of the knife rest, a support rod is arranged at the lower end of the mounting frame, a telescopic pipe sleeve is arranged on the outer surface of the support rod, a rope tail block. This trimming means is equipped with and supports waistband, independent blade of slotted and folding saw bit protection casing, can effectively save user's physical power to can realize the quick replacement to the blade, nevertheless tailor to thick branch and make more difficultly, stimulate the saw bit from top to bottom, waste time and energy, be unfavorable for popularizing implementing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gardens tree trimming means to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a garden tree trimming device comprises a telescopic rod and a trimming body. The pruning body is nested at the top end of the telescopic rod, and the telescopic rod can freely stretch out and draw back as required. The side surface of the bottom end of the pruning body is provided with a supporting sheet, the supporting sheet is provided with two rotating wheels, and the rotating wheels can freely rotate on the supporting sheet. The middle part of the trimming body is rotatably connected to the middle part of the rotating rod through a pin shaft, and the rotating rod can rotate in a certain range around the pin shaft. The right-hand member of dwang is provided with two runners, and the runner can be free rotation on the dwang. The rotating wheels are connected through a pull rope, and when the pull rope is pulled, the pull rope drives the rotating wheels to rotate. The epaxial first torsional spring that is provided with of round pin, the setting up of first torsional spring makes dwang anticlockwise rotation, and when the pulling stay cord, the dwang clockwise rotation loosens the stay cord, and the dwang anticlockwise rotates under the effect of first torsional spring. The upper end of pruning the body is provided with the couple, and the left end of couple and dwang constitutes the branch chamber, when needs are tailor the branch, hangs the couple on the branch and makes the branch be in the branch intracavity, and the dwang rotates, and the branch is caught on to the left end of dwang.

The pruning body is provided with a rotating shaft in a rotating mode, the rotating shaft in the pruning body is fixedly and coaxially provided with a saw disc, and the saw disc can saw branches. The distal end coaxial fixation of axis of rotation has driven gear, and driven gear's side rotates connection driving gear and anchor on pruning the body, driving gear and anchor coaxial coupling, driving gear and driven gear meshing. The anchor plate is arranged for a one-way pulley and is internally provided with a second torsion spring. The end part of the pull rope is fixedly connected and wound on the wire drawing disc. The stay rope is pulled, the stay wire disc rotates to drive the driving gear to rotate, the driving gear drives the driven gear to rotate, and therefore the saw disc rotates and saws the branches in the branch cavities.

As a further aspect of the present invention: the left end of the rotating rod is arranged to be in the shape of an inverted hook, so that the branches can be hooked conveniently.

As a further aspect of the present invention: the casing is arranged on the lateral side of the trimming body on the outer sides of the driven gear and the driving gear, the driven gear and the driving gear are covered by the casing, the branch is prevented from being clamped between the driven gear and the driving gear to cause unsmooth transmission, and meanwhile, the safety of the device is improved.

As a further aspect of the present invention: the runner includes fixed axle, pulley body and pulley shell, and the pulley body rotates nestedly on the fixed axle, and the outer end nestification of pulley body has the pulley shell, has seted up two through wires holes on the pulley shell, and the stay cord passes the through wires hole winding on the pulley body, and the stay cord is avoided breaking away from the pulley body in the setting of pulley shell to cause the pulling unsmooth.

As a further aspect of the present invention: a certain gap is formed between one end of the pulley shell and the pulley body, and the other end of the pulley shell is fixedly connected to the fixed shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the mobile guy wire enables the saw disc to rotate, the rotating saw disc can saw off the branches, the thicker branches can be cut, the applicability of the device is improved, the cutting difficulty is reduced, and time and labor are saved. The arrangement of the shell prevents the branches from being clamped between the driven gear and the driving gear to cause unsmooth transmission, and meanwhile, the safety of the device is improved. The setting of pulley shell avoids the stay cord to break away from the pulley body to cause the pulling unsmooth. The utility model discloses the advantage: simple structure, convenient operation, little cutting difficulty, time and labor saving and convenient implementation and popularization.

Drawings

Fig. 1 is a schematic structural diagram of an ornamental tree trimming device.

Fig. 2 is a schematic diagram of a partial structure of a garden tree trimming device viewed from the right.

Fig. 3 is a schematic structural diagram of a rotating wheel in the garden tree pruning device.

In the figure, a telescopic rod 1, a supporting sheet 2, a pull rope 3, a rotating wheel 4, a rotating rod 5, a saw disc 6, a hook 7, a branch cavity 8, a first torsion spring 9, a trimming body 10, a rotating shaft 11, a shell 12, a driven gear 13, a driving gear 14, a wire drawing disc 15, a second torsion spring 16, a pulley body 17, a fixing shaft 18, a threading hole 19 and a pulley shell 20.

Detailed Description

In order to clearly understand the technical features, objects and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-2, a garden tree pruning device comprises a telescopic rod 1 and a pruning body 10. The pruning body 10 is nested at the top end of the telescopic rod 1, and the telescopic rod 1 can freely stretch and retract as required. The side surface of the bottom end of the trimming body 10 is provided with a supporting sheet 2, the supporting sheet 2 is provided with two rotating wheels 4, and the rotating wheels 4 can freely rotate on the supporting sheet 2. The middle part of the trimming body 10 is rotatably connected to the middle part of the rotating rod 5 through a pin shaft, and the rotating rod 5 can rotate in a certain range around the pin shaft. The right-hand member of dwang 5 is provided with two runners 4, and runner 4 can be on dwang 5 free rotation. The rotating wheels 4 are connected through a pull rope 3, and when the pull rope 3 is pulled, the pull rope 3 drives each rotating wheel 4 to rotate. Be provided with first torsion spring 9 on the round pin axle, the setting of first torsion spring 9 makes dwang 5 anticlockwise rotation, and when pulling stay cord 3, dwang 5 clockwise rotation loosens stay cord 3, and dwang 5 anticlockwise rotation under the effect of first torsion spring 9. The left end of the rotating rod 5 is arranged to be in the shape of an inverted hook, so that the branches can be hooked conveniently. The upper end of pruning body 10 is provided with couple 7, and couple 7 and the left end of dwang 5 constitute branch chamber 8, when needs tailor the branch, hang couple 7 on the branch and make the branch be in branch chamber 8, and dwang 5 rotates, and the left end of dwang 5 catches on the branch.

The pruning body 10 is rotatably provided with a rotating shaft 11, the rotating shaft 11 in the pruning body 10 is fixedly and coaxially provided with a saw disc 6, and the saw disc 6 can saw branches. The far end of axis of rotation 11 is fixed with driven gear 13 coaxially, and driven gear 13's side rotates on pruning body 10 and connects driving gear 14 and anchor 15, and driving gear 14 and anchor 15 coaxial coupling, driving gear 14 and driven gear 13 meshing. The anchor 15 is a one-way pulley arrangement and is internally provided with a second torsion spring 16. The end of the pull rope 3 is fixedly connected and wound on the wire drawing disc 15. Pulling the pull rope 3, rotating the wire drawing disc 15 to drive the driving gear 14 to rotate, driving gear 14 driving the driven gear 13 to rotate, thereby rotating the saw disc 6, and sawing the branch inside the branch cavity 8 by the saw disc 6. The casing 12 is arranged on the outer sides of the driven gear 13 and the driving gear 14 and on the side face of the trimming body 10, the driven gear 13 and the driving gear 14 are covered by the casing 12, the casing 12 is arranged to prevent branches from being clamped between the driven gear 13 and the driving gear 14 to cause unsmooth transmission, and meanwhile, the safety of the device is improved.

The utility model discloses a theory of operation is: according to the length of the height-adjustable telescopic rod 1 for cutting the branch, the hook 7 is hung on the branch and enables the branch to be located in the branch cavity 8, the pull rope 3 is pulled, the rotating rod 5 rotates clockwise, and the left end of the rotating rod 5 hooks the branch. The anchor plate 15 rotates to drive the driving gear 14 to rotate, the driving gear 14 drives the driven gear 13 to rotate, so that the saw disc 6 rotates, and the saw disc 6 saws branches in the branch cavity 8. The pull rope 3 is released and the turning rod 5 is turned counterclockwise by the first torsion spring 9. The wire pulling disc 15 winds the pulling rope 3 on the wire pulling disc 15 under the action of the second torsion spring 16.

Example 2

Referring to fig. 3, based on embodiment 1, the pulley 4 includes a fixed shaft 18, a pulley body 17 and a pulley shell 20, the pulley body 17 is rotatably nested on the fixed shaft 18, the outer end of the pulley body 17 is nested with the pulley shell 20, a certain gap exists between one end of the pulley shell 20 and the pulley body 17, the other end of the pulley shell 20 is fixedly connected to the fixed shaft 18, two threading holes 19 are formed in the pulley shell 20, the pull rope 3 passes through the threading holes 19 and is wound on the pulley body 17, and the pulley shell 20 is disposed to prevent the pull rope 3 from separating from the pulley body 17, thereby causing unsmooth pulling.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A garden tree pruning device comprises a telescopic rod (1) and a pruning body (10), wherein the pruning body (10) is nested at the top end of the telescopic rod (1), a supporting sheet (2) is arranged on the side surface of the bottom end of the pruning body (10), two rotating wheels (4) are arranged on the supporting sheet (2), the middle part of the pruning body (10) is rotatably connected with the middle part of a rotating rod (5) through a pin shaft, the two rotating wheels (4) are arranged at the right end of the rotating rod (5), the rotating wheels (4) are connected with each other through a pull rope (3), the garden tree pruning device is characterized in that a first torsion spring (9) is arranged on the pin shaft, a hook (7) is arranged at the upper end of the pruning body (10), the hook (7) and the left end of the rotating rod (5) form a branch cavity (8), a rotating shaft (11) is rotatably arranged on the pruning body (10), a saw, the distal end coaxial fixation of axis of rotation (11) has driven gear (13), and the side of driven gear (13) rotates on pruning body (10) and connects driving gear (14) and anchor (15), driving gear (14) and anchor (15) coaxial coupling, driving gear (14) and driven gear (13) meshing, anchor (15) are one-way pulley setting and inside second torsional spring (16) that is provided with.

2. An ornamental tree pruning device according to claim 1, wherein the left end of the rotating rod (5) is configured as a barb shape.

3. The garden tree trimming device according to claim 1, wherein a housing (12) is provided at the outer side of the driven gear (13) and the driving gear (14) at the side of the trimming body (10), and the housing (12) covers the driven gear (13) and the driving gear (14).

4. The garden tree pruning device according to claim 1 or 2, wherein the rotating wheel (4) comprises a fixed shaft (18), a pulley body (17) and a pulley shell (20), the pulley body (17) is rotatably nested on the fixed shaft (18), the pulley shell (20) is nested at the outer end of the pulley body (17), and two threading holes (19) are formed in the pulley shell (20).

5. The garden tree trimming device according to claim 4, wherein a gap is formed between one end of the pulley housing (20) and the pulley body (17), and the other end of the pulley housing (20) is fixedly connected to the fixed shaft (18).