CN201938116U - Multifunctional grafting tool - Google Patents

Abstract

A multi-functional grafting knife with upper scissors, upper handle, lower scissors, lower handle, grafting blade, blade pressing plate, guide rail block, nylon pressing block, pressing block seat and T-shaped buckle; upper handle, grafting blade, blade pressing plate , guide rail, nylon briquetting block and briquetting block seat are installed on the upper scissor blade, the T-shaped buckle is installed on the lower handle, and the lower handle is installed on the handle end of the lower scissor blade; the blade of the upper scissor blade is eccentric arc, and the blade of the lower scissor blade The Archimedes curve; in the process of pruning, it is convenient and labor-saving, and can cut off thicker branches, and the efficiency of pruning is high; the grafting blade is a docking blade and a budding blade, and the two blades are interchangeable; The blade is fixed, and the nylon briquetting block is driven by the movement of the briquetting block seat on the guide rail to complete the grafting and shearing operation, and the cutting operation has high precision.

Description

A kind of multifunctional grafting knife

technical field

The utility model relates to a grafting knife, in particular to a multifunctional grafting knife.

Background technique

The existing grafting tools include choppers, pickling knives, saws, pruning shears, electrician's knives (grafting knives), small axes, etc. There are various types, which bring a lot of inconvenience to the grafting personnel and are prone to forgetting, etc. phenomenon, which brings great trouble to the grafting work.

Patent No. 01205876.9 is a utility model patent: "Multifunctional Fruit Tree Grafting Knife", which introduces a tree grafting tool, including a skin picker, a knife body, a wallet, and a knife holder. There is a skin picking piece, and the left claw and the right claw for taking the wallet are respectively installed on both sides of the rear end, and a fixed shaft is arranged on the lower end of the right claw, and a spring is installed on the fixed shaft; Left and right knife holders are installed, and left and right blades are respectively arranged between the two sides of the knife body and the knife holder, and the distance between the left and right blades is equal to the length of the blades.

Patent No. 200720083171.0 is a utility model patent: "Multifunctional Grafting Knife", which is a grafting tool for forest and fruit trees. It mainly includes a handle and a knife, the tail of the knife is fixed on the handle, one side of the front of the knife is a sharp blade, and the other side of the front of the knife is provided with serrations on the back of the knife.

Patent No. 200520058360.3 is a utility model patent: "New Grafting Knife", which introduces a new type of grafting knife consisting of a blade body and a handle. The depth of the incision, and the ability to avoid cutting fingers due to excessive force with the grafting knife.

Contents of the invention

The purpose of the utility model is to provide a multifunctional grafting knife with the functions of butt jointing, bud grafting and branch cutting.

The multifunctional grafting knife of the utility model has an upper scissors blade, an upper handle, a lower scissors blade, a lower handle, a grafting blade, a blade pressing plate, a guide rail, a nylon briquetting block, a briquetting block seat and a T-shaped buckle; an upper handle, a grafting blade, a blade The pressure plate, guide rail, nylon briquetting block and briquetting block seat are mounted on the upper scissor blade, the T-shaped buckle is mounted on the lower handle, and the lower handle is mounted on the handle end of the lower scissor blade. It is characterized in that:

(1) The upper scissor blade has a hinge hole, which is a square through hole, and the center of the hole is O; with O as the coordinate origin, the direction of the scissors head is the direction of the x-axis, and the distance from the tip of the scissors to the x-axis is 13~17mm. The best is 15.5mm; the blade is an eccentric arc with a radius of 62mm, and its eccentricity is x6.5mm and y49mm; it is located in the second and third quadrants of the coordinates and has an arc groove with the x-axis as the symmetrical axis, and the arc groove is hinged. The center of the hole O is the center of the circle, with a radius of 30mm, a central angle of 35°, and a groove width of 6.5mm; there is a U-shaped groove between the arc groove and the upper handle, with a width of 15.5mm and a U-shaped head with a diameter of 15.5mm The distance from the center _O1 to the x-axis of the U-shaped head is 27mm; the distance from _O1 to the y-axis is 24mm; several screw holes are distributed around the arc groove and the U-shaped groove;

(2) The lower scissors blade also has a hinge hole at the position corresponding to the square through hole of the upper scissors blade, which is a circular through hole. The hole center is O', with O' as the coordinate origin, and the scissor head direction is In the direction of the x' axis, the distance from the tip of the scissors to the x' axis is 18~20 mm, the best being 18 mm; The blade of scissors is an Archimedes curve with ρ=35.69-1.428θ; among them, ρ refers to the arc length, the starting point θ ₀ of θ is 17.5°, and the end point θ ₁ of θ is -12.2°; in the second quadrant of coordinates, there are 1 screw hole 113, the angle between the line connecting the hole center and O' point and the y' axis is 15°, and the length of the line connecting the hole center of the screw hole 113 and O' is 30mm;

(3) The grafting blade is a docking blade or a budding blade;

A. The blade of the docking blade is a U-shaped cutting edge, and the U-shaped top of the U-shaped cutting edge is a semicircle with a diameter of 2.8mm, and the height from the _center of the circle to the bottom plane is 7.7mm;

B. The edge of the budding blade is п-shaped, the width of the п-shaped cutting edge is 18mm, and the height from the top cutting edge to the bottom plane is 15mm;

(4) The blade pressing plate is a U-shaped flat plate, and the groove width of the U-shaped groove is not less than the width of the п-shaped cutting edge of the budding blade;

(5) The nylon briquetting block is a rectangular stepped block composed of a large rectangular block and a small rectangular block. The length, width, and height of the large rectangular block are 22mm, 20mm, and 5mm respectively; the length, width, and height of the small rectangular block are 17mm, 15mm, 8.5mm; there is a groove in the middle of the bottom surface of the large rectangular block with a groove depth and groove width of 0.4mm and 6mm respectively;

(6) The press block seat is composed of a bottom plate and a grooved plate fixed upright on the bottom plate. There is a key-shaped groove in the middle of the bottom plate, the groove width is 6mm, and the groove length is 7mm. The length, width, and The height is equal to the length, width and height of the small rectangular block in the nylon briquetting block;

(7) The guide rail block is a U-shaped flat plate with a groove formed by a pair of parallel guide rails in the middle; the distance between the outer sides of the two guide rails is not less than the width of the bottom plate of the press block seat, and the groove depth is 2.5mm; the guide rail surface is parallel to the bottom plane.

The multi-functional grafting knife of the utility model, the cutting edge of the upper scissor blade is designed as an eccentric arc, and the cutting edge of the lower scissor blade is designed as an Archimedes curve, which achieves the purpose of convenience and labor saving in the process of completing the pruning operation, and can cut The thicker branches can complete the pruning operation with high efficiency; during the operation of the grafting knife, the long screw installed in the screw hole 113 of the lower scissor blade makes a curved movement in the arc-shaped groove, effectively driving the briquetting seat to move linearly along the guide rail , Stable and reliable work; the grafting blade can choose the butt blade or the budding blade to work, when the grafting blade is installed with the docking blade, the docking operation can be completed, and when the grafting blade is equipped with the budding blade, the budding operation can be completed, whether it is docking or budding, the grafting is completed The precision of cutting operation is high.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of multifunctional grafting knife assembly;

Fig. 2 is a schematic diagram of a top view of a multifunctional grafting knife;

Fig. 3 is the schematic plan view of upper scissor blade;

Fig. 4 is a three-dimensional schematic diagram of the upper scissors part;

Fig. 5 is the plane schematic diagram of lower scissor blade;

Fig. 6 is a three-dimensional schematic diagram of the lower scissors part;

Fig. 7 is a three-dimensional schematic diagram of a docking blade;

Figure 8 is a schematic diagram of the M direction of the docking blade;

Fig. 9 is a three-dimensional schematic view of the budding blade;

Fig. 10 is a schematic diagram of budding blade N direction;

Fig. 11 is a three-dimensional schematic diagram of the blade pressing plate;

Figure 12 is a three-dimensional schematic diagram of the guide rail block;

Figure 13 is a three-dimensional schematic diagram of a nylon pad;

Fig. 14 is a schematic perspective view of the briquetting block seat.

Icon description: 1 scissor part, 11 scissor blade, 111 scissor blade blade, 112 scissor blade hinge hole, 113 screw hole, 12 scissor handle, 13 T-shaped buckle, 14 hinge nail, 2 nylon pressure block, 21 small Rectangular block, 22 large rectangular block, 23 centering slot, 3 press block seat, 31 press block seat bottom plate, 32 key-shaped slot, 33 slot-shaped plate, 4 upper scissors parts, 41 upper scissors handle, 42 blade press plate, 421 assembly Hole, 43 guide rail block, 431 guide rail, 44 upper scissor blade, 441 U-shaped groove, 442 arc groove, 443 upper scissor blade blade, 444 upper scissor blade square hinge hole, 45 butt blade, 451 assembly hole, 452 butt blade edge , 5 button springs, 6 budding blades, 61 assembly holes, 62 budding blade edges; A is the scissor tip of the upper scissor blade, B is the scissor tip of the lower scissor blade, CD is the center line of the U-shaped guide rail of the guide rail block, and E is the The port of the U-shaped guide rail of the guide rail block, O is the hole center of the square hinge hole, O' is the hole center of the circular hinge hole, O ₁ is the center of the U-shaped head of the upper scissor blade, and O ₂ is the U-shaped edge of the U-shaped edge. The center of the circle at the top; xy is the coordinate axis of the upper scissor blade with O as the origin, and x'y' is the coordinate axis of the lower scissor blade with O' as the origin.

Detailed ways

In order to fully disclose the multifunctional grafting knife of the present utility model, it will be described below in conjunction with the embodiments.

Embodiment 1 A kind of multifunctional grafting knife

A multifunctional grafting knife, as shown in Figures 1 to 14, has an upper scissors blade 44, an upper handle 41, a lower scissors blade 11, a lower handle 12, a docking blade 45 or a budding blade 6, a blade pressing plate 42, a guide rail block 43, Nylon briquetting block 2, briquetting block seat 3, button spring 5, hinge nail 14 and some screws.

(1) As shown in Figure 3 and Figure 4, the upper scissors blade 44 has a hinge hole 444, which is a square through hole, and the center of the hole is O; with O as the coordinate origin, the direction of the scissors head is the direction of the x-axis, and the tip of the scissors is A The distance to the x-axis is 15.5mm; the blade 443 is an eccentric arc with a radius of 62mm, and its eccentricity is x6.5mm and y49mm; it is located in the second and third quadrants of the coordinates and has an arc groove 442 with the x-axis as the axis of symmetry. The arc groove 442 takes the center O of the hinge hole as the center, the radius is 30mm, the central angle is 35°, and the groove width is 6.5mm; there is a U-shaped groove 441 between the arc groove 442 and the upper handle 41, and the width is 15.5mm. mm, its U-shaped head is a semicircle with a diameter of 15.5mm, the distance from the center _O1 to the x-axis of the U-shaped head is 27mm; the distance from _O1 to the y-axis is 24mm; several screw holes are distributed in the arc groove 442 and Around the U-shaped groove 441;

(2) As shown in Figure 5 and Figure 6, there is also a hinge hole 112 at the position corresponding to the square through hole 444 of the lower scissors blade 11 and the upper scissors blade 44, which is a circular through hole, and its hole center is O' , with O' as the origin of the coordinates, the direction of the scissors head is the direction of the x' axis, the distance from the tip of the scissors to the x' axis is 18mm; the lower scissor blade blade 111 is the Archimedes of ρ=35.69×(1-0.04×θ) German curve, θ ₀ is 17.5°, θ ₁ is -12.2°; there is a screw hole 113 located in the second quadrant of the coordinates, the length of the line connecting the hole center and O' point is 30mm, and the included angle with the y' axis is 15°;

(3) The grafting blade is the docking blade 45 or the budding blade 6, choose one of them for the grafting object when using;

A, as shown in Figure 7 and Figure 8, the blade of the docking blade 45 is a U-shaped cutting edge, and the U-shaped top of the U-shaped cutting edge 452 is a semicircle with a diameter of 2.8mm, and the height from the center of circle O _to the bottom plane is 7.7mm mm, there is an assembly hole 451 on both sides of the blade, the distance between the center of the hole and the plane where the U-shaped cutting edge 452 is located is 7.5mm, and the distance between the holes is 26mm;

B, as shown in Fig. 9, Fig. 10, budding blade 6 blades are п-shaped, and the cutting edge width of п-shaped cutting edge 62 is 18mm, and the height from the top to the bottom plane is 15mm, and an assembly hole 61 is respectively arranged on both sides of the blade, the hole The distance between the center and the plane where the п-shaped cutting edge 62 is located is 7.5mm, and the distance between the holes is 26mm;

(4) As shown in Figure 11, the blade pressing plate 42 is a U-shaped flat plate, and the groove width of the U-shaped groove is 18mm; there is an assembly hole 421 on both sides of the U-shaped plate, and the hole distance is 26mm;

(5) As shown in Figure 13, the nylon briquetting block 2 is a rectangular stepped block. The length, width, and height of the large rectangular block 22 are 22mm, 20mm, and 5mm respectively; the length, width, and height of the small rectangular block 21 are 17mm, 15mm, 8.5mm; There is a centering groove 23 with a depth of groove and a groove width of 0.4mm and 6mm in the middle of the bottom surface of the large rectangular block 22;

(6) As shown in Figure 14, the press block seat 3 is composed of a bottom plate 31 and a grooved plate 33 fixed upright on the bottom plate. The length of the bottom plate 31 is 36 mm and the width is 33 mm; there is a key-shaped groove in the middle of the bottom plate 31 32. The groove of the grooved plate 33 is rectangular, and its length, width, and height are 17mm, 15mm, and 8.5mm, respectively;

(7) As shown in Figure 12, the guide rail block 43 is a U-shaped flat plate with a groove formed by a pair of parallel guide rails 431 in the middle; the distance between the outer sides of the two guide rails is 33mm, and the groove depth is 2.5mm.

As shown in Figure 2, the guide rail block 43 is installed on the position between the U-shaped groove 441 of the upper scissors blade 44 and the scissors head, the center line CD of the two guide rails is parallel to the x-axis, and the distance from the x-axis is 28.5mm, The distance between the U-shaped port E of the guide rail block 43 and the y-axis is 16.5mm, and then the arc groove 442 on the upper scissors blade 44 falls in the U-shaped groove of the guide rail block 43; Installed on the position between the U-shaped groove 441 of the upper scissors blade 44 and the upper handle ₄₁ by screws; On the line CD, the distance between _O2 and the y-axis is 31.5mm, and the distance between _O2 and the x-axis is 28.5mm; Can; Nylon briquetting block 2 is installed in the groove plate 33 of briquetting block seat 3 by small rectangular block 21; Upper handle 41 is installed on the handle end of upper scissors blade 44; So just constituted upper scissors blade part 4; T-shaped buckle 13 Installed on the lower handle 12, the lower handle 12 is installed on the handle end of the lower scissor blade 11 to form the lower scissor blade part 1; the upper scissor blade part 4 and the lower scissor blade part 1 are hinged by the hinge nail 14 through the hinge hole; the briquetting seat 3 is placed on the guide rail 431 of the guide rail block 43, a long screw installed on the screw hole 113 of the lower scissors blade 11 passes through the arc groove 442 of the upper scissors blade 44 and the key-shaped groove 32 of the pressing block seat 3, and the The briquetting block seat 3 is installed on the guide rail 431 of the guide rail block 43; the long 16mm of the long screw; load onto the torsion spring 5 between the upper and lower handles. When the upper handle 41 and the lower handle 12 are in the closed state, the x-axis and y-axis of the upper scissor blade 44 coincide with the x' axis and y' axis of the lower scissor blade 11 respectively, and the O point and the O' point coincide, and the briquetting seat Nylon briquetting block 2 on 3 is close to the cutting edge of grafting blade.

When performing pruning operations, the upper and lower handles are opened, and the cutting edges of the upper and lower scissor blades are opened, so that branches are stretched into the opened cutting edges, and when the upper and lower handles are closed, the branches are cut off. When carrying out butt joint operation, load onto butt joint blade 45. Open the upper and lower handles, then the lower scissor blade part 1 drives the briquetting seat 3 and the nylon briquetting block 2 on the briquetting seat 3 through the key-shaped groove 32 on the briquetting block seat 3, and slides along the guide rail 431 in the guide rail block 43, Make the nylon briquetting block 2 and the docking blade 45 separate; Put the scion or stock into the U-shaped groove 441 of the upper scissor blade 44, then the scion or stock is placed in the middle of the nylon briquetting block 2 and the butt blade 45; the upper and lower handles are closed , then the lower scissor blade part 1 swings in the opposite direction, and the key-shaped groove 32 on the briquetting seat 3 drives the briquetting seat 3 and the nylon briquetting block 2 on the briquetting seat to slide in reverse along the guide rail 431 in the guide rail block 43, Nylon briquetting block 2 and docking blade 45 are closed, and at this moment, the centering groove 23 of nylon briquetting block 2 slightly adjusts the centering of the scion or stock that stretches in, and the docking blade 45 cuts off the scion that stretches into U-shaped groove 441 or rootstock, forming the butt joint.

When needing budding operation, replace butt joint blade 45 with budding blade 6, repeat above-mentioned operation and can finish budding operation.

Claims (9)

1. A multifunctional grafting knife with upper scissors, upper handle, lower scissors, lower handle, grafting blade, blade pressing plate, guide rail, nylon briquetting, briquetting seat and T-shaped buckle; upper handle, grafting blade, blade The pressing plate, guide rail, nylon briquetting block and briquetting block seat are installed on the upper scissor blade, the T-shaped buckle is installed on the lower handle, and the lower handle is installed on the handle end of the lower scissor blade. It is characterized in that (1) The upper scissor blade has a hinge hole, which is a square through hole, and the center of the hole is O; with O as the coordinate origin, the direction of the scissors head is the direction of the x-axis, and the distance from the tip of the scissors to the x-axis is 13~17mm; It is an eccentric arc with a radius of 62mm, and its eccentricity is x6.5mm and y49mm; it is located in the second and third quadrants of the coordinates and has an arc groove with the x-axis as the axis of symmetry, and the center of the arc groove is the center O of the hinge hole , with a radius of 30mm, a central angle of 35°, and a groove width of 6.5mm; there is a U-shaped groove between the arc groove and the upper handle, with a width of 15.5mm, and its U-shaped head is a semicircle with a diameter of 15.5mm. The distance from the center of circle O ₁ to the x-axis is 27mm; the distance from O ₁ to the y-axis is 24mm; several screw holes are distributed around the arc groove and the U-shaped groove; (2) The lower scissor blade also has a hinge hole at the position corresponding to the square through hole of the upper scissor blade, which is a circular through hole. The center of the hole is O', with O' as the coordinate origin, and the direction of the scissor head is In the direction of the x' axis, the distance from the tip of the scissors to the x' axis is 18~20mm; the blade of the lower scissors is an Archimedes curve of ρ=35.69-1.428θ; where ρ refers to the arc length, and the starting point θ ₀ of θ is 17.5°, the end point _θ1 of θ is -12.2°; there is a screw hole (113) in the second quadrant of the coordinates, and the angle between the line connecting the center of the hole and the O' point and the y' axis is 15°, and the screw hole The connecting line length between the center of the hole (113) and O' is 30mm; (3) The grafting blade is a docking blade or a budding blade; A. The blade of the docking blade is a U-shaped cutting edge, and the U-shaped top of the U-shaped cutting edge is a semicircle with a diameter of 2.8mm, and the height from the center _O2 to the bottom plane is 7.7mm; B. The edge of the budding blade is п-shaped, the width of the п-shaped cutting edge is 18mm, and the height from the top cutting edge to the bottom plane is 15mm; (4) The blade pressing plate is a U-shaped flat plate, and the groove width of the U-shaped groove is not less than the width of the п-shaped cutting edge of the budding blade; (5) The nylon briquetting block is a rectangular stepped block composed of a large rectangular block and a small rectangular block. The length, width, and height of the large rectangular block are 22mm, 20mm, and 5mm respectively; the length, width, and height of the small rectangular block are 17mm, 15mm, 8.5mm; there is a groove in the middle of the bottom surface of the large rectangular block with a groove depth and groove width of 0.4mm and 6mm respectively; (6) The briquetting seat is composed of a bottom plate and a grooved plate fixed upright on the bottom plate. There is a key-shaped groove in the middle of the bottom plate, the groove width is 6mm, and the groove length is 7mm. The length, width, and The height is equal to the length, width and height of the small rectangular block in the nylon briquetting block; (7) The guide rail block is a U-shaped flat plate with a groove formed by a pair of parallel guide rails in the middle; the distance between the outer sides of the two guide rails is not less than the width of the bottom plate of the press block seat, and the groove depth is 2.5mm; the guide rail surface is parallel to the bottom plane. 2. A multifunctional grafting knife according to claim 1, characterized in that the distance from the scissor tip A to the x-axis in the upper scissor blade is 15.5 mm. 3. A multifunctional grafting knife according to claim 1, characterized in that the distance from the scissor tip B to the x-axis in the lower scissor blade is 18 mm. 4. A multifunctional grafting knife according to claim 1, characterized in that there is an assembly hole on both sides of the docking blade, the distance between the center of the hole and the plane where the U-shaped cutting edge is located is 7.5mm, and the distance between the holes is 26mm . 5. A multifunctional grafting knife according to claim 1, characterized in that there is an assembly hole on both sides of the bud grafting blade, the distance between the center of the hole and the plane where the п-shaped cutting edge is located is 7.5 mm, and the distance between the holes is 26 mm . 6. A kind of multifunctional grafting knife according to claim 1, it is characterized in that the length of the bottom plate (31) of the briquetting seat is 36mm, and the width is 33mm; the length, width and height of the groove plate groove are respectively 17mm , 15mm, 8.5mm. 7. A multifunctional grafting knife according to claim 1, characterized in that the distance between the outer sides of the two guide rails in the guide rail block is 33mm, and the groove depth is 2.5mm. 8. A kind of multifunctional grafting knife according to claim 1, characterized in that the guide rail block is installed between the U-shaped groove and the scissor head, the center line CD of the two guide rails is parallel to the x-axis, and the distance from the x-axis is 28.5mm, the distance between the U-shaped port E of the guide rail block and the y-axis is 16.5mm. 9. A kind of multifunctional grafting knife according to claim 1, characterized in that the docking blade is installed between the U-shaped groove and the upper handle, and the center of circle O ₂ falls on the centerline CD of the U-shaped guide rail of the guide rail block, O ₂ is 31.5mm from the y-axis and _O2 is 28.5mm from the x-axis.

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