CN205623341U - Pruning shears - Google Patents

Abstract

The utility model discloses a pruning shears belongs to pruning shears and cuts the instrument field, aim at providing one kind and have not need squatting when the plant of pruning the lower position always and prune the pruning shears in order to reduce staff's fatigue degree, its technical scheme as follows, a pruning shears, including two blades and two handle of a knifes, two the blade respectively with the one end fixed connection of two handle of a knifes, two the handle of a knife is connected through the pivot, the handle of a knife keeps away from that the one end of blade is articulated to have a handle, the handle is parallel with the pivot with the face that the swing of blade articulated position constitutes along the handle of a knife, be equipped with the adjustment mechanism who adjusts contained angle between handle of a knife and the handle on the handle of a knife, the utility model is suitable for a prune at the branch to plants such as arbor, bushes, branch and leaf.

Description

A kind of orchard shears

Technical field

This utility model relates to a kind of orchard shears cutting tool, particularly to a kind of orchard shears.

Background technology

Orchard shears is the specific purpose tool of the branch and leaf of a kind of topiary trees, and it generally comprises two handle of a knifes and is separately mounted to two shear blade of two handle of a knife front ends, and two shear blade are hinged and shear branch and leaf by the cooperation of its blade.

The Chinese patent of Publication No. CN204191213U discloses a kind of extendable handle orchard shears, it includes that two relative shear blade are linked together composition shears by bearing pin, the rear end of shear blade is provided with telescoping handle, and bearing pin either end is provided with suspension ring, and suspension ring are buckled with braces.Although this extendable handle orchard shears saves praising of staff's arm, but when pruning the plant of lower position, in order to enable shear blade to be maintained at horizontal level, it is accomplished by that staff is the most couchant carries out pruning work, and is in for a long time under such duty and is easy to make staff to feel tired.

Utility model content

The purpose of this utility model is to provide a kind of orchard shears, has and need not the most couchant carrying out when pruning the plant of lower position and prune the fatigue strength that reduces a staff.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of orchard shears, including two blades and two handle of a knifes, two described blades are fixed with one end of two handle of a knifes respectively and are connected, two described handle of a knifes are connected by rotating shaft, described handle of a knife is hinged with handle away from one end of blade, described handle swings the face and shaft parallel constituted along the position that handle of a knife and blade are hinged, and described handle of a knife is provided with the governor motion of angle between regulation handle of a knife and handle.

By blade being arranged on handle of a knife and two handle of a knifes are connected and composed by rotating shaft and to have the orchard shears of shearing function, hinged handle on handle of a knife, and the rotation direction of handle is vertical with the knife face of blade, after angle between same governor motion regulation handle of a knife and handle, make blade also and there is between handle certain angle and be no longer in approximately the same plane, and then when pruning the plant of lower position, staff can stand operation handle, make blade that plant bottom to be sheared, and blade can be adjusted to suitable angle as required to prune out smooth plant outward appearance, staff is thus made to need not the most couchant fatigue strength carrying out and pruning to reduce a staff.

Further, described governor motion includes the first fixed block being arranged on handle of a knife, the second fixed block being arranged on handle, it is hinged with contiguous block on described first fixed block, described contiguous block upper bearing (metal) connects rotary screw rod, being hinged with connecting cylinder on described second fixed block, described rotary screw rod runs through connecting cylinder and threadeds with connecting cylinder.

nullBy the block that is articulated and connected on the first fixed block，And connect rotary screw rod at contiguous block upper bearing (metal)，Make the rotation that rotary screw rod can be random without contiguous block is impacted，When driving rotary screw rod to rotate，Owing to rotary screw rod is threadeded with connecting cylinder，Therefore rotary screw rod can occur relative displacement with connecting cylinder，Rotary screw rod and connecting cylinder will change the distance between the first fixed block and the second fixed block when there is relative displacement，And then make handle of a knife and handle can rotate around the hinged place of handle of a knife and handle under the drive of the first fixed block and the second fixed block，And then make that there is between handle of a knife and handle certain angle，During angle required for this angle is adjusted to staff，Now plant bottom just can directly be pruned by driving handle by operator without couchant，Decrease the fatigue strength of staff.

Further, described rotary screw rod is provided with through hole away from one end of the first fixed block, and described through hole is equipped with driving post.

By wearing driving post on through hole, enabling staff directly to operate driving post drives rotary screw rod to rotate, very convenient fast, and when driving post to be located on through hole driving rotary screw rod, the position driving post can be regulated according to actual stressing conditions, so that driving the power of post minimum, so can quickly, labour-saving is adjusted.

Further, described governor motion includes the first fixed block being arranged on handle of a knife, be arranged on handle the second fixed block and drive cylinder, it is hinged with on described first fixed block on the first screw mandrel, described second fixed block and is hinged with the second screw mandrel, the screw thread of described first screw mandrel and the second screw mandrel is reverse thread, and one end of remote first fixed block of described first screw mandrel, the second screw mandrel are threadeded with the two ends driving cylinder respectively away from one end of the second fixed block.

By the screw thread of the first screw mandrel and the second screw mandrel is set to reverse thread, it drives cylinder and the first screw mandrel, second wire rod thread connects, therefore when rotating driving cylinder, the first screw mandrel and the second screw mandrel can occur relative movement, first screw mandrel and the second screw mandrel will change the distance between the first fixed block and the second fixed block when there is relative displacement, and then make handle of a knife and handle can rotate around the hinged place of handle of a knife and handle under the drive of the first fixed block and the second fixed block, and then make that there is between handle of a knife and handle certain angle, during angle required for this angle is adjusted to staff, now plant bottom just can directly be pruned by driving handle by operator without couchant, decrease the fatigue strength of staff.

Further, the outer wall of described driving cylinder is provided with anti-skidding lines.

By arranging anti-skidding lines on the outer wall driving cylinder, make staff rotate driving cylinder so that being difficult to during the first screw mandrel, the second screw mandrel generation relative movement skid, and then can efficiently, quickly rotate driving cylinder.

Further, the outer wall of described driving cylinder is provided with driving handle.

By arranging driving handle on driving cylinder so that can allow when rotating and driving cylinder staff directly to driving handle to operate, and be difficult to the phenomenon that skidding occurs.

Further, described governor motion includes the first fixed block being arranged on handle of a knife, the second fixed block being arranged on handle, it is hinged with adjusting rod on described first fixed block, on described adjusting rod, interval is evenly arranged with some first adjustment holes along its length, it is hinged with adjustment barrel on described second fixed block, the barrel of described adjustment barrel offers the second adjustment hole, is located on the first adjustment hole and the second adjustment hole and fixes in described adjusting rod is located in adjustment barrel and by steady pin.

By adjusting rod being located in adjustment barrel and being fixed by steady pin, and some first adjustment holes are set on adjusting rod, thus in adjusting rod wears adjustment barrel, make the first different adjustment holes and the second adjustment hole steady pin that has been mapped be fixed, cooperation according to the first different adjustment holes and the second adjustment hole will change the distance between the first fixed block and the second fixed block, and then make handle of a knife and handle can rotate around the hinged place of handle of a knife and handle under the drive of the first fixed block and the second fixed block, and then make that there is between handle of a knife and handle certain angle, during angle required for this angle is adjusted to staff, now plant bottom just can directly be pruned by driving handle by operator without couchant, decrease the fatigue strength of staff.

Further, one end of described rotating shaft is extended with projection, described projection offers towing pad, described towing pad is equipped with suspender belt.

By wearing suspender belt on the towing pad of projection, make the staff can be when being operated, orchard shears is supported by the strength not merely relying on wrist, projection can also be drawn with it by being hung over by suspender belt, and then draw orchard shears, decrease the stressing conditions of staff's wrist, and then the labor intensity of the hands that reduces a staff.

Further, described suspender belt is provided with cushion.

By arranging cushion on suspender belt, enable suspender belt to be separated by cushion with human body contact portion, and by cushion directly and human contact, make the situation that human body will not cause because of the traction by suspender belt uncomfortable or stress to concentrate in the past.

Further, described handle is expansion link.

By handle is set to expansion link, enable orchard shears to be adjusted according to the plant of differing heights people staff and pruning diverse location, make staff carry out pruning work under optimum decreased food.

In sum, this utility model has the advantages that

Regulate the angle between handle of a knife and handle by the fit system threadeded between rotary screw rod with connecting cylinder, and then make, between handle and blade, there is certain angle so that staff is not required to squat down just can prune plant bottom, reduce fatigue strength；

The angle between handle of a knife and handle is regulated by the way of driving the threaded cooperation of cylinder and the first screw mandrel, the second screw mandrel, and then make, between handle and blade, there is certain angle so that staff is not required to squat down just can prune plant bottom, reduce fatigue strength；

The angle regulating between handle of a knife and handle is coordinated by the first adjustment hole on adjusting rod and the second adjustment hole in adjustment barrel, and then make, between handle and blade, there is certain angle so that staff is not required to squat down just can prune plant bottom, reduce fatigue strength；

And by arranging suspender belt in rotating shaft for the strength that less staff's wrist is used, and then reduce the fatigue strength during pruning.

Accompanying drawing explanation

Fig. 1 is for embodying annexation schematic diagram between rotary screw rod and connecting cylinder in embodiment 1；

Fig. 2 is the enlarged drawing in A portion in Fig. 1；

Fig. 3 is for embodying the first screw mandrel, driving annexation schematic diagram between cylinder and the second screw mandrel in embodiment 2；

Fig. 4 be in Fig. 3 B portion for embody drive anti-skidding lines on cylinder as enlarged drawing；

Fig. 5 is that in Fig. 3, B portion drives the enlarged drawing of handle on cylinder for embodying to drive in embodiment 4；

Fig. 6 is for embodying annexation schematic diagram between adjusting rod and adjustment barrel in embodiment 3；

Fig. 7 is the enlarged drawing in C portion in Fig. 6；

Fig. 8 is that embodiment 5 is for embodying the structural representation of suspender belt.

In figure, 1, blade；2, handle of a knife；21, rotating shaft；211, projection；212, towing pad；213；Suspender belt；214, cushion；22, the first fixed block；23, contiguous block；24, rotary screw rod；241, through hole；242, post is driven；25, the first screw mandrel；26, adjusting rod；261, the first adjustment hole；3, handle；31, the second fixed block；32, connecting cylinder；33, the second screw mandrel；34, cylinder is driven；341, anti-skidding lines；342, handle is driven；35, adjustment barrel；351, the second adjustment hole；352, steady pin.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

nullEmbodiment 1: a kind of orchard shears，As illustrated in fig. 1 and 2，This orchard shears is made up of two blades 1 and two handle of a knifes 2，Two handle of a knifes 2 are also fixed through hole by the equal perforate in middle part of two handle of a knifes 2 by rotating shaft 21，The blade of one end and two blades 1 that two blades 1 are separately fixed at handle of a knife 2 is oppositely arranged，The other end at handle of a knife 2 has the handle 3 being made up of expansion link by hinge，This bearing pin is vertical with rotating shaft 21，So that handle 3 is vertical with the knife face of blade 1 rotating, around bearing pin, the plane constituted，Handle of a knife 2 is fixedly connected with first fixed block 22，First fixed block 22 is hinged with a contiguous block 23，The rotation direction of contiguous block 23 is identical with the rotation direction of handle 3，Connect at contiguous block 23 upper bearing (metal) and have a rotary screw rod 24，At handle 3, near one end of handle of a knife 2, connection has the second fixed block 31，Second fixed block 31 is also hinged with one and carries female connecting cylinder 32，Rotary screw rod 24 is threadeded with connecting cylinder 32 and runs through connecting cylinder 32 away from one end of contiguous block 23 and offering one for the through hole 241 driving post 242 to pass，Drive the length length more than through hole 241 of post 242.

nullSpecific implementation process: when needing to enable the angle between blade 1 and handle 3 less than 180 ° so that staff stands，Then holding handle 3 just can make blade 1 be horizontal the bottom to plant when pruning，First driving post 242 is inserted in through hole 241，Or the one end driving post 242 is inserted in through hole 241，Then rotate and drive post 242，And then by driving post 242 to drive rotary screw rod 24 to rotate，The rotation of rotary screw rod 24 will occur relative movement on connecting cylinder 32，In the present embodiment，Illustrate as a example by rotary screw rod 24 moves toward handle 3 direction，And then connecting cylinder 32 provides a power to make rotary screw rod 24 move to handle 3 direction to rotary screw rod 24，And then by rotary screw rod 24, first fixed block 22 is drawn，Then by the first fixed block 22, handle of a knife 2 is driven，Make handle of a knife 2 can rotate around bearing pin，When angle between handle of a knife 2 and handle 3 reaches required angle，Then staff just can hold handle 3，Make handle 3 diagonally downward，And blade 1 is in a certain angle with handle 3，Make blade 1 can be maintained at level the bottom of plant is pruned，Without needing as in the past, staff is couchant was blade 1 and handle 3 is held in level and prunes.

Embodiment 2: a kind of orchard shears, as shown in Figures 3 and 4, it is with the difference of embodiment 1, hinged first screw mandrel 25 on the first fixed block 22, hinged second screw mandrel 33 on the second fixed block 31, its first screw mandrel 25 is all vertical with knife face with the swaying direction of the second screw mandrel 33, hand of spiral on first screw mandrel 25 and the hand of spiral on the second screw mandrel 33 are contrary, then by the female thread in opposite direction with two sections drive cylinder 34 two ends respectively with the first screw mandrel 25, second screw mandrel 33 is threaded, anti-skidding lines 341 when being provided with on the outer wall driving cylinder 34 for preventing from rotating driving cylinder 34.

nullSpecific implementation process: when needing to enable the angle between blade 1 and handle 3 less than 180 ° so that staff stands，Then holding handle 3 just can make blade 1 be horizontal the bottom to plant when pruning，Staff holds and is driving on cylinder 34，And rotate driving cylinder 34，Owing to the setting of anti-skidding lines 341 makes to be not susceptible to skid during rotating，Cylinder 34 is driven to make the first screw mandrel 25 and the second screw mandrel 33 relative movement after rotating，And then by the first screw mandrel 25, first fixed block 22 is drawn，Then by the first fixed block 22, handle of a knife 2 is driven，Make handle of a knife 2 can rotate around bearing pin，When angle between handle of a knife 2 and handle 3 reaches required angle，Then staff just can hold handle 3，Make handle 3 diagonally downward，And blade 1 is in a certain angle with handle 3，Make blade 1 can be maintained at level the bottom of plant is pruned，Without needing as in the past, staff is couchant was blade 1 and handle 3 is held in level and prunes.

Embodiment 3: a kind of orchard shears, as shown in Figure 5, it is with the difference of embodiment 2, driving handle 342 it is provided with on cylinder 34 driving, handle 342 is driven to drive cylinder 34 to rotate by directly rotating, and then be drive cylinder 34 can significantly more efficient rotation and also increase the arm of force, save driving force.

Compare embodiment 2 and embodiment 3, owing to driving the handle 342 that drives on cylinder 34 to be conducive to the operation of staff and more labour-saving to consider, be preferred with embodiment 3.

Embodiment 4: a kind of orchard shears, as shown in Figures 6 and 7, it is with the difference of embodiment 1, first fixed block 22 is hinged with adjusting rod 26, second fixed block 31 is hinged with adjustment barrel 35, adjusting rod 26 is penetrated in adjustment barrel 35, and array has some first adjustment holes 261 along its length on adjusting rod 26, the sidewall that adjustment barrel 35 is corresponding with the first adjustment hole 261 offers the second adjustment hole 351, and is located on the first adjustment hole 261 and the second adjustment hole 351 by a steady pin 352 and is fixed.

nullSpecific implementation process: when needing the angle between blade 1 and handle 3 is adjusted，Adjusting rod 26 is pulled in adjustment barrel 35，When angle between blade 1 and handle 3 is adjusted to the position needed，In steady pin 352 is sequentially passed through the second adjustment hole 351 to the first adjustment hole 261 from outward, realization is fixing，First fixed block 22 is drawn by adjusting rod 26 in this process，Then by the first fixed block 22, handle of a knife 2 is driven，Make handle of a knife 2 can rotate around bearing pin，When angle between handle of a knife 2 and handle 3 reaches required angle，Then staff just can hold handle 3，Make handle 3 diagonally downward，And blade 1 is in a certain angle with handle 3，Make blade 1 can be maintained at level the bottom of plant is pruned，Without needing as in the past, staff is couchant was blade 1 and handle 3 is held in level and prunes.

Embodiment 5: a kind of orchard shears, as shown in Figure 8, it is with the difference of embodiment 4, the projection 211 of band towing pad 212 it is extended with in the side that rotating shaft 21 is identical with the first fixed block 22, suspender belt 213 is fixed in rotating shaft 21 through towing pad 212, and on suspender belt 213, is cased with a cushion 214.

During work, suspender belt 213 is hung on the neck of staff or on shoulder, and allow cushion 214 and direct body contact, its suspender belt 213 can carry out tractive to the gravity of orchard shears, and then be distributed on suspender belt 213 and undertaken by human body be supported without whole wrist strength that has by most for the gravity one of orchard shears, the stress of the wrist that reduces a staff and then minimizing work fatigue intensity.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. an orchard shears, including two blades (1) and two handle of a knifes (2), two described blades (1) are fixed with one end of two handle of a knifes (2) respectively and are connected, two described handle of a knifes (2) are connected by rotating shaft (21), it is characterized in that: described handle of a knife (2) is hinged with handle (3) away from one end of blade (1), it is parallel with rotating shaft (21) that described handle (3) swings, along the position that handle of a knife (2) is hinged with blade (1), the face constituted, and described handle of a knife (2) is provided with the governor motion of angle between regulation handle of a knife (2) and handle (3).

A kind of orchard shears the most according to claim 1, it is characterized in that: described governor motion includes the first fixed block (22) being arranged on handle of a knife (2), the second fixed block (31) being arranged on handle (3), it is hinged with contiguous block (23) on described first fixed block (22), described contiguous block (23) upper bearing (metal) connects rotary screw rod (24), being hinged with connecting cylinder (32) on described second fixed block (31), described rotary screw rod (24) runs through connecting cylinder (32) and threadeds with connecting cylinder (32).

A kind of orchard shears the most according to claim 2, is characterized in that: described rotary screw rod (24) is provided with through hole (241) away from one end of the first fixed block (22), described through hole (241) is equipped with driving post (242).

A kind of orchard shears the most according to claim 1, it is characterized in that: described governor motion includes the first fixed block (22) being arranged on handle of a knife (2), the second fixed block (31) being arranged on handle (3) and driving cylinder (34), it is hinged with the first screw mandrel (25) on described first fixed block (22), it is hinged with the second screw mandrel (33) on described second fixed block (31), the screw thread of described first screw mandrel (25) and the second screw mandrel (33) is reverse thread, one end of described remote first fixed block of first screw mandrel (25) (22), second screw mandrel (33) is threadeded with the two ends driving cylinder (34) respectively away from one end of the second fixed block (31).

A kind of orchard shears the most according to claim 4, is characterized in that: be provided with anti-skidding lines (341) on the outer wall of described driving cylinder (34).

A kind of orchard shears the most according to claim 4, is characterized in that: be provided with driving handle (342) on the outer wall of described driving cylinder (34).

A kind of orchard shears the most according to claim 1, it is characterized in that: described governor motion includes the first fixed block (22) being arranged on handle of a knife (2), the second fixed block (31) being arranged on handle (3), it is hinged with adjusting rod (26) on described first fixed block (22), on described adjusting rod (26), interval is evenly arranged with some first adjustment holes (261) along its length, it is hinged with adjustment barrel (35) on described second fixed block (31), the barrel of described adjustment barrel (35) offers the second adjustment hole (351), it is located in the first adjustment hole (261) in described adjusting rod (26) is located in adjustment barrel (35) and by steady pin (352) and the second adjustment hole (351) is upper fixing.

8. according to a kind of orchard shears described in claim 1 or 2 or 4 or 7, it is characterized in that: one end of described rotating shaft (21) is extended with projection (211), offer towing pad (212) on described projection (211), described towing pad (212) is equipped with suspender belt (213).

A kind of orchard shears the most according to claim 8, is characterized in that: be provided with cushion (214) on described suspender belt (213).

A kind of orchard shears the most according to claim 1, is characterized in that: described handle (3) is expansion link.