CN110149937A - A kind of structure improved orchard shears - Google Patents

A kind of structure improved orchard shears Download PDF

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Publication number
CN110149937A
CN110149937A CN201910578136.3A CN201910578136A CN110149937A CN 110149937 A CN110149937 A CN 110149937A CN 201910578136 A CN201910578136 A CN 201910578136A CN 110149937 A CN110149937 A CN 110149937A
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China
Prior art keywords
blade
bar
shaft
gear
face
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Granted
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CN201910578136.3A
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Chinese (zh)
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CN110149937B (en
Inventor
许懿
陈�胜
周云雷
缪泽波
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Priority to CN202011618838.9A priority Critical patent/CN112616476A/en
Priority to CN201910578136.3A priority patent/CN110149937B/en
Publication of CN110149937A publication Critical patent/CN110149937A/en
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Publication of CN110149937B publication Critical patent/CN110149937B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02Secateurs; Flower or fruit shears
    • A01G3/021Secateurs; Flower or fruit shears characterized by the arrangement of pivots

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Scissors And Nippers (AREA)

Abstract

The invention belongs to agriculture field of garden technology, are related to a kind of structure improved orchard shears.The present invention includes first blade and second blade hinged by articulated shaft, the first handle and the second handle are respectively equipped on first blade and the second blade, first blade is equipped with first rotating shaft and the second shaft, the driving mechanism that first rotating shaft rotation can be driven when the first blade and the second blade are rotated around articulated shaft is equipped between first rotating shaft and articulated shaft, the transmission mechanism that the second shaft can be driven by first rotating shaft is equipped between second shaft and first rotating shaft, second shaft is equipped with the first bar, one end of first bar is stretched out on the outside of the first blade and end is equipped with the second bar, angle between second bar and the first bar is between 45 degree to 135 degree and the angle is towards the second blade.The invention has the advantages that expanding the shearing range of structure improved orchard shears.

Description

A kind of structure improved orchard shears
Technical field
The invention belongs to agriculture field of garden technology, are related to a kind of structure improved orchard shears.
Background technique
During using orchard shears, generally observe by the naked eye to judge the distance between orchard shears and cutting object, Therefore will appear due to cutting object exceeds the shearing range of orchard shears just and the problem of can not shear.At this point, generalling use it He first furthers cutting object to the shearing of orchard shears at tool, and in shear history, it is also necessary to control cut always Object is cut, so as to cause inconvenient for operation.
In addition, when shearing the cutting objects such as some distributions branch leaf at random, since the working range of orchard shears is limited, It needs repeatedly to shear, causes working efficiency low.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of structure improved orchard shears are proposed, The technical problems to be solved by the present invention are: how to expand the shearing range of orchard shears.
The present invention is realized by following technical proposal: a kind of structure improved orchard shears, including is intersected and passed through hinged Axis hinged the first blade and the second blade, first blade are located above the second blade, and the lower end of first blade is solid It is connected with the first handle, the lower end of second blade is fixed with the second handle being oppositely arranged with the first handle, further includes:
First rotating shaft, the first rotating shaft are rotatably arranged on the lateral surface of the first blade and are located at the attached of articulated shaft Closely, being provided between the first rotating shaft and articulated shaft being capable of the driving when the first blade and the second blade are rotated around articulated shaft The driving mechanism of first rotating shaft rotation;
Second shaft, second shaft are rotatably arranged on the lateral surface of the first blade and are located at the first cutting edge tip Between first rotating shaft, the second shaft can be driven by first rotating shaft by being provided between second shaft and first rotating shaft The transmission mechanism of rotation;
One end of first bar, first bar is arranged in the second shaft, and the other end stretches out the outer side edges edge of the first blade And end is installed with the second bar, and the angle between second bar and the first bar is between 45 degree to 135 degree, and the angle Towards the second blade.
In a kind of above-mentioned structure improved orchard shears, the present apparatus further includes the triangle for the strip being arranged straight down Stupefied, the triangle is stupefied to have sequentially connected first face of head and the tail, the second face and third face, the freedom in first face and the second bar End is fixedly connected, and the angle formed between the first face and the second bar is acute angle, the folder formed between first face and third face Angle is obtuse angle, and the angle formed between first face and the second face is acute angle, the angle formed between the second face and third face For acute angle.
In a kind of above-mentioned structure improved orchard shears, the driving mechanism includes first gear, the first gear Coaxially it is installed in first rotating shaft,
The first fixed vertical bar and the second fixed vertical bar are installed on the medial surface of second blade, described first is fixed perpendicular Bar and the second fixed vertical bar are located at the two sides of the first blade, the opposite face of the described first fixed vertical bar and the second fixed vertical bar It is upper to be installed with the first fixed transverse rod and the second fixed transverse rod, the opposite face of first fixed transverse rod and the second fixed transverse rod respectively On be installed with arc-shaped rack, the arc-shaped rack and articulated shaft are coaxially disposed, and the arc-shaped flank of tooth of arc-shaped rack Towards the first blade, the arc-shaped rack engages connection with first gear, first fixed transverse rod, the second fixed transverse rod and Arc-shaped rack is respectively positioned on the top of the first blade.
In a kind of above-mentioned structure improved orchard shears, the rotating mechanism includes second gear, the second gear It is coaxially installed in first rotating shaft, and is located at the lower section of arc-shaped rack, be coaxially installed with third tooth in second shaft Wheel, and the third gear is located at the lower section of the first bar, and the third gear is connect with second gear by chain drive.
In a kind of above-mentioned structure improved orchard shears, the radius of the arc-shaped rack is greater than the half of second gear Diameter, the diameter of the second gear are all larger than the diameter of first gear and third gear.
In a kind of above-mentioned structure improved orchard shears, scroll spring, the scrollwork are provided in second shaft One end of spring is installed in the second shaft, and the end of other end and the first bar is connected.
It is solid respectively on the opposite face of first handle and the second handle in a kind of above-mentioned structure improved orchard shears Equipped with spring link block, reset spring is provided between two spring link blocks.
Compared with prior art, this structure improved garden shears has the advantage that
1, the appearance face contact of the free end of the second bar and cutting object, and cutting object is driven to transport towards the direction of shear gap It is dynamic.Since cutting object has the inertia for keeping original state during the motion, cutting object will be along the length side of the second bar It is moved to towards the first bar, so that in the recess portion that cutting object is formed between the first bar and the second bar.Alternatively, in the first bar When movement, recess portion accommodates cutting object, and cutting object is contacted with the first bar, and cutting object moves to the second bar under the inertia of its own On, and contacted with the second bar and generate frictional force, which can play the role of that cutting object is prevented to skid off recess portion.
2, cutting object moves in shear gap under the drive of the first bar and the second bar.With the first blade and the second knife The rotation of sword, shear gap are gradually reduced, and the first blade and the second blade will be cut by the appearance face contact with cutting object, and finally Cut object cutting.The structure, which can be substituted, is furthered cutting object again by the working method of cutting object cutting by other tools, and It can be realized in the above process only by the first handle of operation and the second handle and cut the cutting object being located at outside shear gap It is disconnected, it is easy to operate.
3, triangle will be driven stupefied when the second bar moves, to keep triangle stupefied around the second pivot.During this, When the appearance face contact of third face and cutting object, cutting object will face recess portion along third and move, and make to play guiding With;When recess portion accommodates cutting object, and cutting object is moved along the length direction of the second bar towards the first face, cutting object with Stop motion after first face contact, therefore the first face can play barrier effect, and cutting object is avoided to skid off recess portion.
4, drive cutting object to move in shear gap in the first bar and the second bar, at the same the first blade and the second blade with When the appearance face contact of cutting object, cutting object will be stuck between the first blade and the second blade, and the first bar and the second bar are difficult to Cutting object is driven to continue to move, so that originally structure improved orchard shears are stuck, can not work.To avoid such situation from sending out Raw, after cutting object is stuck between the first blade and the second blade, the first blade and the second blade are continued to rotate, and at the same time the Two shafts can also rotate, but generate active force between the first bar or the second bar and cutting object, and the active force is by scrollwork bullet Spring is tightened or is extended, so that scroll spring generates deformation quantity, to prevent this structure improved orchard shears from stuck situation occurs.When It, can be by the top of cutting object by the elastic force that the deformation quantity of scroll spring generates after first blade and the second blade cut cutting object Divide or lower part is from quick separating on this structure improved orchard shears, to improve working efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram when intermediate cam of the present invention is stupefied and cutting object contacts.
Fig. 2 is that the first bar and the second bar drive cutting object to move to the structural schematic diagram in shear gap in the present invention.
Fig. 3 be in the present invention the first blade and the second blade shearing cutting object when structural schematic diagram.
Fig. 4 is the partial enlarged view in Fig. 1 at A.
Fig. 5 is the partial enlarged view in Fig. 3 at B.
Fig. 6 is the structure sectional view in Fig. 3 at C-C.
Fig. 7 is the structural side view in Fig. 1 at D-D.
Fig. 8 is the structural schematic diagram of embodiment two in the present invention.
In figure, the 1, first handle;11, the second handle;12, the first blade;121, the first cutting edge;122, flat face;13, Two blades;14, shear gap;15, articulated shaft;16, spring link block;17, reset spring;18, hydraulic stem;2, round-arced tooth Item;21, the first fixed vertical bar;211, the first fixed transverse rod;22, the second fixed vertical bar;221, the second fixed transverse rod;3, first turn Axis;31, first gear;32, second gear;4, the second shaft;41, third gear;42, chain;5, scroll spring;6, first Bar;61, the second bar;62, recess portion;7, triangle is stupefied;71, the first face;72, the second face;73, third face;8, controller;9, electric power storage Pond.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
Embodiment one:
Referring to Figure 1 to Figure 7, a kind of structure improved orchard shears, the first knife including intersecting and by articulated shaft 15 hingedly Sword 12 and the second blade 13, first blade 12 are located at 13 top of the second blade, and the lower end of first blade 12 is fixed with First handle 1, the lower end of second blade 13 are fixed with the second handle 11 being oppositely arranged with the first handle 1, further includes:
First rotating shaft 3, the first rotating shaft 3 are rotatably arranged on the lateral surface of the first blade 12 and are located at articulated shaft 15 Near, being provided between the first rotating shaft 3 and articulated shaft 15 can be in the first blade 12 and the second blade 13 around hinged The driving mechanism that driving first rotating shaft 3 rotates when axis 15 rotates;
Second shaft 4, second shaft 4 are rotatably arranged on the lateral surface of the first blade 12 and are located at the first blade Between 12 tips and first rotating shaft 3, being provided between second shaft 4 and first rotating shaft 3 can be by first rotating shaft 3 come band The transmission mechanism of dynamic second shaft 4 rotation;
One end of first bar 6, first bar 6 is arranged in the second shaft 4, and the other end stretches out the outside of the first blade 12 Edge and end are installed with the second bar 61, the angle between second bar 61 and the first bar 6 between 45 degree to 135 degree, And the angle the second blade 13 of direction.
Shear gap 14, the inner side edge edge of 12 lateral surface of the first blade are formed between first blade 12 and the second blade 13 For the first cutting edge 121, the outer side edges of 12 lateral surface of the first blade along be formed with flat face 122 between the first cutting edge 121.First Shaft 3 and the second shaft 4 are vertically positioned on the flat face 122.
The first handle 1 and the second handle 11 are operated, so that the first blade 12 and the second blade 13 are rotated around articulated shaft 15, When cutting object is located at 14 outside of shear gap, cutting object can not be cut.At the same time, in the first blade 12 and the second blade 13 drive driving mechanism when rotating around articulated shaft 15, driving mechanism drives first rotating shaft 3 to rotate, and first rotating shaft 3 passes through transmission Mechanism drives the second shaft 4.Second shaft 4 drive the first bar 6, the first bar 6 drive the second bar 61 so that the second bar 61 around The second shaft 4 towards 14 direction of shear gap move.During this, the free end of the second bar 61 and the outer surface of cutting object are connect Touching, and cutting object is driven to move towards the direction of shear gap 14.Original state is kept since cutting object has during the motion Inertia, therefore cutting object will be moved along the length direction of the second bar 61 towards the first bar 6, so that cutting object is located at first In the recess portion 62 formed between bar 6 and the second bar 61.Alternatively, recess portion 62 accommodates cutting object in the movement of the first bar 6, shearing Object is contacted with the first bar 6, and cutting object is moved under the inertia of its own on the second bar 61, and is contacted generation with the second bar 61 and rubbed Power is wiped, which can play the role of that cutting object is prevented to skid off recess portion 62.
Cutting object moves in shear gap 14 under the drive of the first bar 6 and the second bar 61.With 12 He of the first blade The rotation of second blade 13, shear gap 14 are gradually reduced, and the first blade 12 and the second blade 13 are by the outer surface with cutting object Contact, and finally cut cutting object.The structure can substitute that cutting object furthers by other tools and again cut cutting object Working method, and in the above process only by operation the first handle 1 and the second handle 11 can realize will be located at cut The cutting object cut outside gap 14 is cut, easy to operate.
Preferably, the second shaft 4 be located at the flat face 122 near 121 tip of the first cutting edge on, to increase by the One bar 6 stretches out the length of the first blade 12, expands the motion range of the first bar 6 and the second bar 61.First bar 6 and the second bar 61 it Between angle be 90 degree, can both expand the motion range of the second bar 61, it is ensured that cutting object will not be skidded off from recess portion 62.
It specifically, further include the triangle stupefied 7 for the strip being arranged straight down, the triangle stupefied 7 has head and the tail successively The first face 71, the second face 72 and the third face 73 of connection, first face 71 are fixedly connected with the free end of the second bar 61, and first The angle formed between face 71 and the second bar 61 is acute angle, and the angle formed between first face 71 and third face 73 is blunt Angle, the angle formed between first face 71 and the second face 72 are acute angle, the folder formed between the second face 72 and third face 73 Angle is acute angle.
Triangle stupefied 7 will be driven in the movement of the second bar 61, so that triangle stupefied 7 be made to move around the second shaft 4.In this process In, when the appearance face contact of third face 73 and cutting object, cutting object will be moved along third face 73 towards recess portion 62, to rise To guiding role;When recess portion 62 accommodates cutting object, and cutting object is transported along the length direction of the second bar 61 towards the first face 71 When dynamic, cutting object stop motion after being contacted with the first face 71, therefore the first face 71 can play barrier effect, avoid cutting object Skid off recess portion 62.
Preferably, the angle formed between the second face 72 and third face 73 is 30 degree, so as to play better guiding Effect.The angle formed between second face 72 and the first face 71 is 60 degree, the angle formed between the first face 71 and the second bar 61 It is 90 degree, so as to play better barrier effect.
Specifically, the driving mechanism includes first gear 31, and the first gear 31 is coaxially installed in first rotating shaft 3 On,
It is installed with the first fixed vertical bar 21 and the second fixed vertical bar 22 on the medial surface of second blade 13, described first Fixed vertical bar 21 and the second fixed vertical bar 22 are located at the two sides of the first blade 12, and the described first fixed vertical bar 21 and second is solid Determine to be installed with the first fixed transverse rod 211 and the second fixed transverse rod 221 on the opposite face of vertical bar 22 respectively, first fixed transverse rod 211 and second fixed transverse rod 221 opposite face on be installed with arc-shaped rack 2, the arc-shaped rack 2 and articulated shaft 15 are coaxial Setting, and the round-arced tooth of arc-shaped rack 2, facing towards the first blade 12, the arc-shaped rack 2 is nibbled with first gear 31 Connection is closed, first fixed transverse rod 211, the second fixed transverse rod 221 and arc-shaped rack 2 are respectively positioned on the upper of the first blade 12 Side.
When the first blade 12 and the second blade 13 are rotated around articulated shaft 15, first gear 31 and arc-shaped rack 2 are sent out Raw relative motion, i.e. first gear 31 are rotated around arc-shaped rack 2.First gear 31 itself rotates simultaneously, thus band Dynamic first rotating shaft 3 rotates, and first rotating shaft 3 drives the second shaft 4 to rotate by transmission mechanism.
Since the first fixed vertical bar 21 and the second fixed vertical bar 22 are located at the two sides of the first blade 12, first is fixed horizontal Bar 211, the second fixed transverse rod 221 and arc-shaped rack 2 are respectively positioned on the top of the first blade 12, therefore the first fixed vertical bar 21, Second fixed vertical bar 22, the first fixed transverse rod 211, the second fixed transverse rod 221 and arc-shaped rack 2 are without limitation on firmly the first knife The rotation of sword 12 and the second blade 13.
Specifically, the rotating mechanism includes second gear 32, and the second gear 32 is coaxially installed in first rotating shaft 3 On, and it is located at the lower section of arc-shaped rack 2, third gear 41, and the third are coaxially installed in second shaft 4 Gear 41 is located at the lower section of the first bar 6, and the third gear 41 is sequentially connected with second gear 32 by chain 42.
Second gear 32 will be driven when first rotating shaft 3 rotates.Second gear 32 drives third gear 41 by chain 42, Third gear 41 drives the rotation of the second shaft 4.
Specifically, the radius of the arc-shaped rack 2 be greater than second gear 32 radius, the second gear 32 it is straight Diameter is all larger than the diameter of first gear 31 and third gear 41.
Since arc-shaped rack 2 is fixed on the second blade 13, first rotating shaft 3 is rotatably arranged on its position on the first blade 12 Set constant always, therefore the first angular speed that the first blade 12 and the second blade 13 relatively rotate is equal to first gear 31 around circle The second angular speed that arc-shaped rack 2 rotates;
Since the radius of first gear 31 is less than the radius of arc-shaped rack 2, the of 31 own rotation of first gear Three angular speed are greater than the second angular speed;
Since first gear 31 and second gear 32 are coaxially disposed by first rotating shaft 3, first gear 31 and second The angular speed of gear 32 is identical.But the linear velocity of 32 edge of second gear is greater than the linear velocity of 31 edge of first gear.The Three gears 41 are sequentially connected by chain 42 and second gear 32, therefore the fourth angle speed of third gear 41 is greater than first gear 31 third angular speed, also greater than the first angular speed.
Velocity magnitude when the fourth angle speed of third gear 41 is the rotation of the second shaft 4, therefore turn of the second shaft 4 Dynamic speed is greater than the relative rotation speed of the first blade 12 and the second blade 13, so that the first bar 6 and the second bar 61 drive Cutting object moves in shear gap 14, and then cuts cutting object convenient for the first blade 12 and the second blade 13.
Referring to Fig.1, Fig. 3, Fig. 4 and Fig. 5 are specifically provided with scroll spring 5, the scrollwork in second shaft 4 One end of spring 5 is installed in the second shaft 4, and the end of other end and the first bar 6 is connected.
Cutting object is driven to move in shear gap 14 in the first bar 6 and the second bar 61, while the first blade 12 and second When the appearance face contact of blade 13 and cutting object, cutting object will be stuck between the first blade 12 and the second blade 13, the first bar 6 It with the second bar 61 is difficult to that cutting object is driven to continue to move, so that originally structure improved orchard shears are stuck, can not work.To keep away Exempt from it is such happen, after cutting object is stuck between the first blade 12 and the second blade 13, the first blade 12 and the second blade 13 continue to rotate, and the second shaft 4 can also rotate at the same time, but produce between the first bar 6 or the second bar 61 and cutting object Scroll spring 5 is tightened or is extended by raw active force, the active force, so that scroll spring 5 generates deformation quantity, to prevent this improvement Stuck situation occurs for the orchard shears of structure.After the first blade 12 and the second blade 13 cut cutting object, by scroll spring 5 The elastic force that deformation quantity generates can by the upper part of cutting object or lower part from quick separating on this structure improved orchard shears, from And improve working efficiency.
Specifically, it is installed with spring link block 16 on the opposite face of first handle 1 and the second handle 11 respectively, two Reset spring 17 is provided between a spring link block 16.
When shear gap 14 is gradually reduced, the distance between the first handle 1 and the second handle 11 are also gradually reduced, to press Contracting reset spring 17, reset spring 17 generate elastic force after being compressed, and the elastic force is conveniently by the first handle 1 after cutting cutting object It is separated with the second handle 11, while also driving first gear 31 is moved downward around arc-shaped rack 2.
Embodiment two:
The present embodiment and the scheme of embodiment one are essentially identical, the difference is that:
Referring to Fig. 8, the reset spring 17 and two spring link blocks 16 are substituted for hydraulic stem 18, and the hydraulic stem 18 is living The end of plug cylinder is hinged on the first handle 1, and the end of piston rod is hinged on the second handle 11, is set on first handle 1 It is equipped with controller 8 and battery 9, the controller 8 is electrically connected by battery 9 with hydraulic stem 18.
When work, start hydraulic stem 18, hydraulic stem 18 will drive the first handle 1 and the second handle 11 to move, to drive First blade 12 and the movement of the second blade 13, and then realize that the first bar 6 and the second bar 61 drive cutting object to move to shear gap In 14.The structure is convenient for the first handle 1 of operation and the second handle 11.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (7)

1. a kind of structure improved orchard shears, the first blade (12) and the second knife including intersecting and by articulated shaft (15) hingedly Sword (13), first blade (12) are located above the second blade (13), and the lower end of first blade (12) is fixed with first Handle (1), the lower end of second blade (13) are fixed with the second handle (11) being oppositely arranged with the first handle (1), special Sign is, further includes:
First rotating shaft (3), the first rotating shaft (3) are rotatably arranged on the lateral surface of the first blade (12) and are located at articulated shaft (15) near, being provided between the first rotating shaft (3) and articulated shaft (15) can be in the first blade (12) and the second blade (13) driving mechanism of driving first rotating shaft (3) rotation when being rotated around articulated shaft 15;
Second shaft (4), second shaft (4) are rotatably arranged on the lateral surface of the first blade (12) and are located at the first knife Between sword (12) tip and first rotating shaft (3), being provided between second shaft (4) and first rotating shaft (3) can be by One shaft (3) come drive the second shaft (4) rotate transmission mechanism;
One end of first bar (6), first bar (6) is arranged on the second shaft (4), and the other end stretches out the first blade (12) Outer side edges along and end be installed with the second bar (61), the angle between second bar (61) and the first bar (6) is arrived at 45 degree Between 135 degree, and angle direction the second blade (13).
2. a kind of structure improved orchard shears according to claim 1, which is characterized in that further include being arranged straight down The triangle of strip is stupefied (7), and the triangle stupefied (7) has sequentially connected first face (71) of head and the tail, the second face (72) and third Face (73), first face (71) is fixedly connected with the free end of the second bar (61), between the first face (71) and the second bar (61) The angle of formation is acute angle, and the angle formed between first face (71) and third face (73) is obtuse angle, first face (71) angle formed between the second face (72) is acute angle, and the angle formed between the second face (72) and third face (73) is sharp Angle.
3. a kind of structure improved orchard shears according to claim 2, which is characterized in that the driving mechanism includes first Gear (31), the first gear (31) are coaxially installed on first rotating shaft (3),
It is installed with first fixed vertical bar (21) and the second fixation vertical bar (22) on the medial surface of second blade (13), described the One fixed vertical bar (21) and second fixed vertical bar (22) are located at the two sides of the first blade (12), the described first fixed vertical bar (21) and on the opposite face of second fixed vertical bar (22) it is installed with the first fixed transverse rod (211) and the second fixed transverse rod respectively (221), arc-shaped rack (2) are installed on the opposite face of first fixed transverse rod (211) and the second fixed transverse rod (221), The arc-shaped rack (2) and articulated shaft (15) are coaxially disposed, and the round-arced tooth of arc-shaped rack (2) is facing towards the first knife Sword (12), the arc-shaped rack (2) engage connection with first gear (31), and first fixed transverse rod (211), second are fixed Cross bar (221) and arc-shaped rack (2) are respectively positioned on the top of the first blade (12).
4. a kind of structure improved orchard shears according to claim 3, which is characterized in that the rotating mechanism includes second Gear (32), the second gear (32) are coaxially installed on first rotating shaft (3), and are located at the lower section of arc-shaped rack (2), It is coaxially installed with third gear (41) on second shaft (4), and the third gear (41) is located under the first bar (6) Side, the third gear (41) and second gear (32) are sequentially connected by chain (42).
5. a kind of structure improved orchard shears according to claim 4, which is characterized in that the arc-shaped rack (2) Radius is greater than the radius of second gear (32), and the diameter of the second gear (32) is all larger than first gear (31) and third gear (41) diameter.
6. a kind of structure improved orchard shears according to claim 5, which is characterized in that set on second shaft (4) It is equipped with scroll spring (5), one end of the scroll spring (5) is installed on the second shaft (4), other end and the first bar (6) End be connected.
7. a kind of structure improved orchard shears according to claim 6, which is characterized in that first handle (1) and the It is installed on the opposite face of two handles (11) spring link block (16), is provided between two spring link blocks (16) respectively Reset spring (17).
CN201910578136.3A 2019-06-28 2019-06-28 Gardening scissors with improved structure Active CN110149937B (en)

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US20140115902A1 (en) * 2012-10-28 2014-05-01 Jiin Haur Industrial Co., Ltd. Garden shears
CN206525199U (en) * 2016-12-29 2017-09-29 深圳市升源园林生态有限公司 A kind of horticultural averruncator
CN107711128A (en) * 2017-11-17 2018-02-23 电子科技大学中山学院 Pruning shear for gardens
CN208227783U (en) * 2018-03-12 2018-12-14 重庆双槐建筑工程有限公司 A kind of pruning tool of urban afforestation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202759858U (en) * 2012-09-15 2013-03-06 唐玉德 Pruning shears
US20140115902A1 (en) * 2012-10-28 2014-05-01 Jiin Haur Industrial Co., Ltd. Garden shears
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