CN213127184U

CN213127184U - High branch scissors

Info

Publication number: CN213127184U
Application number: CN202021881287.0U
Authority: CN
Inventors: 韩维兴; 张庆元
Original assignee: Beijing Hanhai Yilin Landscape Engineering Co ltd
Current assignee: Beijing Hanhai Yilin Landscape Engineering Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-07
Anticipated expiration: 2030-09-01

Abstract

The application relates to a pair of averruncators, which comprises a rod body, wherein the rod body comprises a loop bar and a sleeve sleeved on the loop bar, one end of the loop bar is sleeved in the sleeve, the loop bar slides in a reciprocating manner along the axis direction of the sleeve, a stationary blade is fixedly arranged at one end of the loop bar, which is positioned outside the sleeve, the stationary blade is hinged and matched with a movable blade through a pin shaft, a reset spring is arranged between the movable blade and the loop bar, one end of the reset spring is connected with the outer wall of the loop bar, and the other end of the reset spring is connected with the movable blade; a pull rope for pulling the moving blade is connected between the moving blade and the sleeve, and a locking assembly for keeping the moving blade and the sleeve relatively fixed after sliding is arranged between the sleeve rod and the sleeve. It is convenient for realize adjusting the stalk body so that the high branch scissors prune, pick with suitable length for it is more convenient laborsaving when the high branch scissors use.

Description

High branch scissors

Technical Field

The application relates to the technical field of pruning equipment, in particular to a high branch shear.

Background

Tree pruners are gardening pruning and picking tools, which are tools for pruning or picking branches or fruits at high positions of trees as the name suggests, and are one of the necessary tools for tree maintenance personnel.

The existing high branch scissors with the authorization notice number of CN203467279U comprise a rod body, scissors, a reset spring and a pull rope, wherein a fixed knife of the scissors is fixedly arranged at the upper end of the rod body, a movable knife is arranged at a short shaft on the fixed knife and can rotate, the reset spring is arranged between a support at the upper end of the fixed knife and the rear end part of the movable knife, one end of the pull rope is fixed at the rear end part of the movable knife, the other end of the pull rope penetrates through a threading pipe in the rod body and is fixed on a handle, and the handle is arranged on a support rod on the outer surface of the rod body and can rotate.

The inventor considers that the related technical scheme has the following problems: the length of the rod body is fixed and unadjustable, and when the high pruning shears are used for pruning and picking, if the length of the high pruning shears is lower than the pruning and picking height, the high pruning shears are not easy to prune and pick; if the length of the high branch shears is higher than the pruning and picking heights, the high branch shears need to be inclined for pruning and picking, and the high branch shears are lifted by hands at the moment, so that the high branch shears are difficult to lift.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the realization to the body of rod adjust so that the high pruning shear is pruned, is picked with suitable length, make things convenient for more laborsaving during the high pruning shear uses, this application provides a high pruning shear.

The application provides a high branch scissors adopts following technical scheme:

a high branch shear comprises a rod body, wherein the rod body comprises a loop bar and a sleeve sleeved on the loop bar, one end of the loop bar is sleeved in the sleeve, the loop bar slides in a reciprocating manner along the axis direction of the sleeve, a stationary blade is fixedly arranged at one end of the loop bar, which is positioned outside the sleeve, the stationary blade is hinged and matched with a movable blade through a pin shaft, a reset spring is arranged between the movable blade and the loop bar, one end of the reset spring is connected with the outer wall of the loop bar, and the other end of the reset spring is connected with the movable blade; a pull rope for pulling the moving blade is connected between the moving blade and the sleeve, and a locking assembly for keeping the moving blade and the sleeve relatively fixed after sliding is arranged between the sleeve rod and the sleeve.

Through adopting above-mentioned technical scheme, the loop bar can be reciprocal slide in the cover pipe, adjusts the length of the whole body of rod through the slip of loop bar in the cover pipe to adapt to the suitable pruning position of stationary blade and movable blade, adopt the locking subassembly to carry out the locking to loop bar and sleeve pipe simultaneously and fix, from this, can be convenient adjust the pole body so that the averruncator prunes, picks with suitable length, make the averruncator convenient laborsaving more when using.

The present application may be further configured in a preferred example to: the locking assembly comprises a locking rod hinged to the end portion, close to the sleeve rod, of the sleeve and a jacking piece used for enabling the free end of the locking rod to be tightly pressed on the outer wall of the sleeve rod, and the free end of the locking rod is tightly pressed on the outer wall of the sleeve rod.

Through adopting above-mentioned technical scheme, adopt top tight piece, compress tightly the free end of locking pole in the outer wall of loop bar, through the frictional force effect between locking pole and the loop bar outer wall, can be so that keep relatively fixed between loop bar and the sleeve pipe.

The present application may be further configured in a preferred example to: the puller comprises a threaded sleeve, the sleeve is close to the circumferential wall of one end of the sleeve rod, external threads are circumferentially arranged on the circumferential wall, internal threads are arranged on the threaded sleeve, the threaded sleeve is arranged on the sleeve rod and is in threaded connection with the sleeve, and the inner wall of the threaded sleeve is abutted to one side of the locking rod and the hinged end of the sleeve rod.

Through adopting above-mentioned technical scheme, twist and move the thread bush, the thread bush can carry out the screw thread transmission on the sleeve pipe, and the thread bush alright in order to reach the function of a auto-lock at the thread transmission in-process, under the effect that does not have the external force, the thread bush can not take place to rotate, from this, adopts the thread bush can be very stable carry out the butt to the locking lever.

The present application may be further configured in a preferred example to: the sleeve pipe is characterized in that a pipe sleeve is arranged at one end, far away from the sleeve rod, of the sleeve pipe, a sliding hole which is communicated with the interior and matched with the sleeve pipe is formed in one end of the pipe sleeve, one end, far away from the sleeve rod, of the sleeve pipe penetrates through the sliding hole of the pipe sleeve, the sleeve pipe slides along the axis direction of the pipe sleeve, and a pushing assembly used for pushing the sleeve pipe to slide along the axis direction of the pipe sleeve is arranged on the pipe sleeve.

Through adopting above-mentioned technical scheme, because loop bar and sleeve pipe can only adjust length well before the use, inconvenient regulation once more in the use, and promote the sleeve pipe through pushing the subassembly, make the sleeve pipe can slide in the pipe box, can adjust in use.

The present application may be further configured in a preferred example to: the other end of the pipe sleeve opposite to the sliding hole is provided with a first threaded hole communicated with the inside, the pushing assembly comprises a pushing threaded rod, one end of the pushing threaded rod penetrates through the first threaded hole of the pipe sleeve and then is connected with the sleeve in a rotating mode, and the pushing threaded rod is connected with the pipe sleeve in a threaded mode.

By adopting the technical scheme, the threaded rod and the pipe sleeve are pushed to be in threaded connection, so that the self-locking function can be achieved, and stepless adjustment can be performed on the sleeve.

The present application may be further configured in a preferred example to: the outer wall of the pipe sleeve is fixedly provided with a threading shell, a cavity is formed in the threading shell, a yielding hole which is communicated with the cavity and is used for the stay cord to penetrate is formed in the threading shell, and a pressing assembly used for pressing the stay cord is arranged in the cavity of the threading shell.

Through adopting above-mentioned technical scheme, compress tightly the stay cord through compressing tightly the subassembly after the stay cord passes the threading shell, when needing relative slip between loop bar and the sleeve pipe, remove compressing tightly the compressing tightly of subassembly to the stay cord, make the stay cord can adapt to the slip between loop bar and the sleeve pipe.

The present application may be further configured in a preferred example to: the pressing assembly comprises a pressing plate and a control piece, the pressing plate is arranged in a sliding mode towards the pull rope direction, the control piece is used for controlling the pressing plate to slide, and the pressing plate presses the pull rope onto the side wall of the cavity.

Through adopting above-mentioned technical scheme, adopt the control, make the clamp plate move to the direction of stay cord, until the clamp plate compresses tightly the stay cord on the lateral wall of cavity, through the contact between clamp plate and the stay cord, can be stable compress tightly the stay cord in the cavity of threading shell.

The present application may be further configured in a preferred example to: the second screw hole of intercommunication cavity is seted up on the threading shell, the control includes control threaded rod, control threaded rod's axis direction is on a parallel with the glide direction of clamp plate, the one end of control threaded rod is worn to locate behind the second screw hole of threading shell and is connected with the one side gyration that the clamp plate deviates from the stay cord, control threaded rod and threading shell threaded connection.

Through adopting above-mentioned technical scheme, through twisting the control threaded rod, can make the control threaded rod carry out the screw thread transmission in threading shell, the control threaded rod can take the clamp plate to make a round trip to move in the cavity of threading shell when the screw thread transmission.

The present application may be further configured in a preferred example to: the pressing plate is fixedly provided with a plurality of tips on one side pressed on the pull rope, and one end of each tip far away from the pressing plate is pressed on the pull rope.

Through adopting above-mentioned technical scheme, most advanced setting can compress tightly in the stay cord, further improves the clamp plate to the stability that compresses tightly of stay cord.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sleeve rod can slide in the sleeve in a reciprocating manner, the length of the whole rod body is adjusted through the sliding of the sleeve rod in the sleeve to adapt to the proper trimming positions of the static blade and the movable blade, and meanwhile, the sleeve rod and the sleeve can be locked and fixed by the locking assembly, so that the rod body can be conveniently adjusted to enable the high branch shears to perform pruning and picking at proper lengths, and the high branch shears are more convenient and labor-saving to use;

2. because the length of the sleeve rod and the sleeve can be adjusted before use, the sleeve rod and the sleeve are inconvenient to adjust again in the use process, and the sleeve is pushed by the pushing assembly, so that the sleeve can slide in the sleeve and can be adjusted in use.

Drawings

Fig. 1 is a schematic structural view of a high branch shear according to an embodiment of the present application;

FIG. 2 is a schematic partial cross-sectional view of an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of a partial explosion between the compression assembly and the threading housing in an embodiment of the application.

In the figure, 1, a rod body; 11. a loop bar; 111. a stationary blade; 112. a movable blade; 1121. pulling a handle; 12. a sleeve; 2. a return spring; 3. pulling a rope; 4. a locking assembly; 41. a lock lever; 411. a hinge portion; 412. a pressing part; 42. a threaded sleeve; 5. pipe sleeve; 51. a sliding hole; 52. a first threaded hole; 6. pushing the threaded rod; 7. threading the shell; 71. a cavity; 72. a hole of abdication; 73. a second threaded hole; 8. a compression assembly; 81. pressing a plate; 811. a tip; 82. controlling the threaded rod; 9. a rotating shaft.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses averruncator, refer to fig. 1, including the body of rod 1, body of rod 1 includes loop bar 11 and sleeve pipe 12, and sleeve pipe 12 is one end open-ended hollow pipe, and in sleeve pipe 12 was located to the open end cover of sleeve pipe 12 in the one end of loop bar 11, loop bar 11 slided along the axis direction of sleeve pipe 12 is reciprocal, can adjust the length of whole body of rod 1 through the relative slip of loop bar 11 and sleeve pipe 12.

The fixed blade 111 is fixedly installed at one end of the loop bar 11, which is located outside the sleeve 12, the fixed blade 111 is hinged and matched with the movable blade 112 through a pin shaft, the fixed blade 111 and the movable blade 112 are both in a sickle shape, and the movable blade 112 can rotate towards the fixed blade 111 to achieve the purpose of pruning. A return spring 2 is arranged between one side of the movable blade 112, which is far away from the stationary blade 111, and the loop bar 11, one end of the return spring 2 is fixedly connected with the outer wall of the loop bar 11, and the other end is fixedly connected with the movable blade 112. One end of the movable blade 112 hinged to the stationary blade 111 extends outwards to form a pull handle 1121, a pull rope 3 is fixedly arranged on the pull handle 1121, and the pull rope 3 is used for pulling the movable blade 112 to rotate towards the stationary blade 111.

Referring to fig. 1 and 2, a locking assembly 4 is disposed between the loop bar 11 and the sleeve 12, the locking assembly 4 is used for keeping the loop bar 11 and the sleeve 12 relatively fixed after relatively sliding, the locking assembly 4 includes two locking bars 41 and an ejector, the two locking bars 41 are respectively located at two sides of the loop bar 11 along the radial direction of the loop bar. The locking lever 41 includes a hinge portion 411 and a pressing portion 412, the hinge portion 411 and the pressing portion 412 are disposed in a V-shape, and an opening end of the V-shape between the hinge portion 411 and the pressing portion 412 faces an outer wall of the loop bar 11. One end of the hinge portion 411 is hinged to an end portion of the sleeve 12 having an opening end, one end of the pressing portion 412 is fixedly connected to a free end of the hinge portion 411, and the other end of the pressing portion 412 is abutted to an outer wall of the loop bar 11.

The sleeve 12 is provided with an external thread on the outer peripheral wall of the open end thereof in the circumferential direction, and the external thread extends in the axial direction of the sleeve 12. The tightening member includes a threaded sleeve 42, an internal thread is circumferentially provided on an inner peripheral wall of the threaded sleeve 42, and the threaded sleeve 42 is sleeved on the sleeve 12 and is in threaded connection with the sleeve 12. When one side of the two hinge portions 411 departing from the loop bar 11 is attached to the inner wall of the threaded sleeve 42, the end of the pressing portion 412 far away from the hinge portions 411 is abutted to the outer wall of the loop bar 11.

Through rotating the threaded sleeve 42, the threaded sleeve 42 performs threaded transmission in the direction away from the loop bar 11, the limitation of the threaded sleeve 42 on the hinge portion 411 can be removed, the pressing portion 412 is rotated in the direction away from the loop bar 11, at the moment, the loop bar 11 can slide along the axis direction of the sleeve 12, when the loop bar slides to a proper position, the pressing portion 412 is rotated again, the end portion of the pressing portion 412 is tightly pressed against the outer wall of the loop bar 11, meanwhile, the threaded sleeve 42 performs threaded transmission in the direction close to the loop bar 11 until one side of the hinge portion 411 away from the loop bar 11 is in contact with the inner wall of the threaded sleeve 42, and at the moment, the pressing portion 412 can firmly press the loop bar 11 into the sleeve 12.

The sleeve pipe 12 is provided with the pipe box 5 in the one end of keeping away from loop bar 11, and pipe box 5 and sleeve pipe 12 coaxial, and the inside hole 51 that slides of intercommunication is seted up to the one end of pipe box 5, and the size and the sleeve pipe 12 looks adaptation of the hole 51 that slides, and the sleeve pipe 12 is kept away from its open-ended one end and is worn to locate in the hole 51 that slides of pipe box 5, and sleeve pipe 12 is along the reciprocating sliding of the axis direction of pipe box 5.

Be provided with on pipe box 5 and be used for promoting sleeve pipe 12 along the gliding promotion subassembly of the axis direction of pipe box 5, the inside first screw hole 52 of intercommunication is seted up to the other end that pipe box 5 is relative with slide hole 51, and the promotion subassembly is including promoting threaded rod 6, promotes threaded rod 6 and pipe box 5 coaxial line, and the blind end swivelling joint with sleeve pipe 12 behind the first screw hole 52 of pipe box 5 is worn to locate by the one end of promoting threaded rod 6, promotes threaded rod 6 and pipe box 5 threaded connection. By rotating the push screw 6, the sleeve 12 can be slid back and forth in the sleeve 5.

Referring to fig. 2 and 3, the outer wall of the pipe sleeve 5 is fixedly provided with a threading shell 7, a cavity 71 is formed inside the threading shell 7, the upper surface and the lower surface of the threading shell 7 are respectively provided with a yielding hole 72 communicated with the cavity 71, the yielding hole 72 is matched with the pull rope 3, one end of the pull rope 3, which is far away from the pull handle 1121, penetrates into the threading shell 7 from the yielding hole 72 above the threading shell 7 and penetrates out from the yielding hole 72 below, and the portion of the pull rope 3, which is located in the cavity 71, is attached to the side wall of the cavity 71.

Referring to fig. 3 and 4, a pressing assembly 8 for pressing the pull rope 3 is arranged in the cavity 71 of the threading shell 7, the pressing assembly 8 comprises a pressing plate 81 and a control piece, the pressing plate 81 moves towards the direction close to or far away from the pull rope 3 along the axial direction perpendicular to the pipe sleeve 5, a plurality of tips 811 are fixedly arranged on one side of the pressing plate 81 facing the pull rope 3, and one end of each tip 811 far away from the pressing plate 81 is pressed on the pull rope 3.

The threading shell 7 is provided with a second threaded hole 73 communicated with the cavity 71, the control piece comprises a control threaded rod 82, the axis direction of the control threaded rod 82 is perpendicular to the axis direction of the pipe sleeve 5, one end of the control threaded rod 82 is connected with one side of the pressing plate 81 departing from the pull rope 3 in a rotating mode after penetrating through the second threaded hole 73 of the threading shell 7, and the control threaded rod 82 is connected with the threading shell 7 in a threaded mode.

The control threaded rod 82 is rotated to perform thread transmission in the threading shell 7, and the control threaded rod 82 can push the pressing plate 81 to move towards the pull rope 3 and press the pull rope 3 against the side wall of the cavity 71 at the same time of the thread transmission.

The side wall of the pipe sleeve 5 is located below the threading shell 7 and is rotatably connected with a rotating shaft 9, the axis direction of the rotating shaft 9 is perpendicular to the axis direction of the pipe sleeve 5, one end of the pulling rope 3 penetrating the threading shell 7 is fixedly connected to the outer wall of the rotating shaft 9, and the pulling rope 3 is wound through the rotating shaft 9.

The implementation principle of the embodiment is as follows: when the clipping height of the stationary blade 111 and the movable blade 112 needs to be adjusted, the control threaded rod 82 is rotated to enable the control threaded rod 82 to perform threaded transmission in the threading shell 7, the control threaded rod 82 can drive the pressing plate 81 to move in the direction away from the pull rope 3 while performing the threaded transmission, so that the pull rope 3 is in a free state, at the moment, the threaded sleeve 42 is rotated to enable the threaded sleeve 42 to perform the threaded transmission in the direction away from the loop bar 11, the limitation of the threaded sleeve 42 on the hinge portion 411 can be removed, the pressing portion 412 is rotated in the direction away from the loop bar 11, at the moment, the loop bar 11 can slide along the axial direction of the sleeve 12, when the loop bar slides to a proper position, the pressing portion 412 is rotated again to enable the end portion of the pressing portion 412 to be tightly propped against the outer wall of the loop bar 11, at the same time, the threaded sleeve 42 performs the threaded transmission in the direction close to the loop bar 11 until one side of the hinge portion, which, the pressing part 412 can firmly press the loop bar 11 in the sleeve 12;

when fine adjustment is needed after the static blade 111 and the movable blade 112 are adjusted, the push threaded rod 6 is rotated, the push threaded rod 6 performs threaded transmission in the pipe sleeve 5, and the push threaded rod 6 can drive the sleeve 12 to realize stepless sliding in the pipe sleeve 5.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high branch scissors, includes the body of rod (1), its characterized in that: the telescopic type telescopic rod is characterized in that the rod body (1) comprises a loop bar (11) and a sleeve (12) sleeved on the loop bar (11), one end of the loop bar (11) is sleeved in the sleeve (12), the loop bar (11) slides in a reciprocating mode along the axis direction of the sleeve (12), a stationary blade (111) is fixedly arranged at one end, located outside the sleeve (12), of the loop bar (11), the stationary blade (111) is hinged and matched with a movable blade (112) through a pin shaft, a reset spring (2) is arranged between the movable blade (112) and the loop bar (11), one end of the reset spring (2) is connected with the outer wall of the loop bar (11), and the other end of the reset spring is connected with the movable blade (112); a pull rope (3) for pulling the movable blade (112) is connected between the movable blade (112) and the sleeve (12), and a locking assembly (4) for keeping the movable blade (112) and the sleeve (12) relatively fixed after sliding is arranged between the loop bar (11) and the sleeve (12).

2. A secateur according to claim 1, wherein: the locking assembly (4) comprises a locking rod (41) hinged to the end part of the sleeve (12) close to the loop bar (11) and a jacking piece used for enabling the free end of the locking rod (41) to be pressed against the outer wall of the loop bar (11), and the free end of the locking rod (41) is pressed against the outer wall of the loop bar (11).

3. A secateur according to claim 2, wherein: the puller comprises a threaded sleeve (42), the sleeve (12) is close to the circumferential wall of one end of the sleeve rod (11) is circumferentially provided with external threads, the threaded sleeve (42) is provided with internal threads, the threaded sleeve (42) is sleeved on the sleeve (12) and is in threaded connection with the sleeve (12), and the inner wall of the threaded sleeve (42) is abutted to one side of the hinged end of the locking rod (41) and the sleeve (12).

4. A secateur according to claim 1, wherein: the one end that loop bar (11) were kept away from in sleeve pipe (12) is provided with pipe box (5), the one end of pipe box (5) is seted up inside and with slip hole (51) of sleeve pipe (12) looks adaptation of intercommunication, the one end that loop bar (11) were kept away from in sleeve pipe (12) is worn to locate in slip hole (51) of pipe box (5), sleeve pipe (12) are followed the axis direction of pipe box (5) slides, be provided with on pipe box (5) and be used for promoting sleeve pipe (12) along the gliding promotion subassembly of axis direction of pipe box (5).

5. A secateur according to claim 4, wherein: the other end of the pipe sleeve (5) opposite to the sliding hole (51) is provided with a first threaded hole (52) communicated with the inside, the pushing assembly comprises a pushing threaded rod (6), one end of the pushing threaded rod (6) penetrates through the first threaded hole (52) of the pipe sleeve (5) and then is connected with the sleeve (12) in a rotating mode, and the pushing threaded rod (6) is connected with the pipe sleeve (5) in a threaded mode.

6. A secateur according to claim 5, wherein: the outer wall of pipe box (5) has set firmly threading shell (7), cavity (71) have been seted up to the inside of threading shell (7), set up intercommunication cavity (71) and supply yielding hole (72) that stay cord (3) wore through on threading shell (7), be provided with in cavity (71) of threading shell (7) and be used for carrying out the compress tightly subassembly (8) that compress tightly stay cord (3).

7. A secateur according to claim 6, wherein: the pressing assembly (8) comprises a pressing plate (81) and a control piece, wherein the pressing plate (81) is arranged in a sliding mode in the direction of the pull rope (3), the control piece is used for controlling the pressing plate (81) to slide, and the pull rope (3) is pressed on the side wall of the cavity (71) through the pressing plate (81).

8. A secateur according to claim 7, wherein: set up second screw hole (73) of intercommunication cavity (71) on threading shell (7), the control includes control threaded rod (82), the axis direction of control threaded rod (82) is on a parallel with the glide direction of clamp plate (81), the one end of control threaded rod (82) is worn to locate behind second screw hole (73) of threading shell (7) and one side swivelling joint that keeps away from stay cord (3) with clamp plate (81), control threaded rod (82) and threading shell (7) threaded connection.

9. A secateur according to claim 7, wherein: the pressing plate (81) is tightly pressed on one side of the pull rope (3) and is fixedly provided with a plurality of tips (811), and one end, far away from the pressing plate (81), of each tip (811) is tightly pressed on the pull rope (3).