TW201605330A - Grafting tool capable of fixing cut opening - Google Patents

Abstract

This invention relates to a grafting tool capable of fixing cut opening, comprising a first grip and a second grip pivotal installed in cross so as to enable the tool to open or close. The knife holder of the second grip is penetratingly disposed to a positioning guide column of the first grip to be able to slide longitudinally only. The positioning guide column is disposed with a gear rack exposed outside the knife holder and a meshing tooth block is disposed on the knife holder with a pivotal part to be meshed with the gear part. Through the pulling of an elastic member, the meshing tooth block can be maintained in meshed position with the gear rack so that the cut opening between the knife of the knife rack and a carrying seat can be fixed by the gear part meshing of the meshing tooth block and the gear rack after the size is adjusted, thereby constituting this invention.

Description

Cutting opening fixed grafting tool

The present invention relates to a gardening hand tool, and more particularly to a grafting tool for use in a grafting operation.

As shown in Fig. 7, for the conventional use of the grafting shears 91 to cut the branches 92, the user usually holds the grafting shears 91 in one hand, and the branches 92 in the other hand, and the appropriate length in the branches 92. After confirming the shearing position, the shearing opening of the grafting shear 91 is aligned with the shearing portion, and the grafting shear 91 can be applied to force the branch 92 to be sheared, and the sheared branch 92 can be used for connection. Branch work.
However, it can be seen from the shearing action of the grafting cutter 91 on the branch 92 that the shearing opening of the grafting shear 91 must be fixed by the user's hand to the grafting shear 91, if the user's hand is loosened. When the cutting opening of the grafting shear 91 is opened, the user must loosen the hand for other actions during the cutting of the branch 92. For example, it is convenient to slightly adjust the length of the branch 92 with both hands. Alternatively, when the length of the cutting of the branches 92 must be measured by the operation of the measuring tool, the use of the aforementioned grafting shears 91 may cause inconvenience in use.
Therefore, how to solve the problem of the above conventional grafting tool is the main focus of the present invention.

The main object of the present invention is to solve the above problems and provide a grafting device capable of fixing a shearing opening, which can be fixed by adjusting the cutting opening, that is, the user does not have to hold the grafting device with one hand. Applying force, therefore, it is necessary to perform the action by using both hands when performing the action of slightly adjusting the branches or measuring the size during the cutting of the branches, thereby achieving the convenience of branch cutting.
For the purposes of the foregoing, the present invention includes:
a first handle having a carrier at the front end;
a second handle is pivotally connected to the first handle to be opened or closed, and the front end is coupled to a tool holder at a position opposite to the carrier, the tool holder having a cutting edge forming a cutting opening between the holder and the carrier. The tool holder has a longitudinal through hole, and one side of the tool holder has an elongated side hole communicating with the through hole, and the tool holder has a pivoting portion on the same side of the elongated side hole;
a positioning guide column is erected on the bearing seat of the first handle, and the tool holder is inserted through the positioning guide post with its through hole to limit longitudinal and linear sliding only relative to the bearing seat, and one of the positioning guiding columns a tooth row formed by the plurality of first tooth portions is exposed in the elongated side hole, and the positioning guide column is provided with a first pusher for pushing the tool holder toward the top of the positioning guide post when the two handles are loosened Elastic member
a rod block pivotally disposed in the pivot portion and longitudinally pivotable, the rod block having a second tooth portion engaged between the plurality of first tooth portions, the axis of the horizontal axis to the The distance of the tooth peak of the second tooth portion is greater than the distance between the axis of the first tooth portion of the horizontal axis to the horizontal axis, and a second elastic member pinches the rod block in the pivot portion to maintain the first The two tooth hem is maintained and meshed between the plurality of first teeth.
Wherein, the cross section of the positioning guide column is square, and the perforation of the tool holder should be a square hole, and the perforation of the tool holder can prevent relative rotation and dislocate when the perforation of the tool holder is disposed.
Wherein, the first handle has a positioning slot at a position where the positioning guide post is disposed, and the positioning guide post is disposed at the bottom end in the positioning slot, and is locked by the locking slot through the positioning slot. Positioning the bottom end of the guide post, the positioning guide post is removed and installed on the first handle.
The pivoting portion overlaps the tool holder at two ends of the elongated side hole in the longitudinal direction, the pivoting portion has two side ears, and the two side ears form a long groove, and the horizontal axis passes through the long groove and is fixed In the two side ears, the rod block is pivotally disposed on the horizontal axis of the long groove, a hook column passes through the long groove above the horizontal axis and is fixed to the two side ears, and the elastic member is a tension spring Combine the hook with the rod block.
The above and other objects and advantages of the present invention will be readily understood from
Of course, the invention may be varied on certain components, or in the arrangement of the components, but the selected embodiments are described in detail in the specification and their construction is shown in the drawings.

(customized part)
91‧‧‧Grafting shears
92‧‧‧ branches (part of the invention)
1‧‧‧First grip
11‧‧‧Hosting
12‧‧‧ positioning slot
13‧‧‧Locker
2‧‧‧second grip
21‧‧‧Tool holder
22‧‧‧ Blade
23‧‧‧Perforation
24‧‧‧Long side hole
25‧‧‧ pivotal department
251‧‧‧ 耳耳
252‧‧‧Long ditch
253‧‧‧Hook
3‧‧‧ Positioning guide column
31‧‧‧ teeth row
311‧‧‧First tooth
312‧‧‧ tooth valley
32‧‧‧First elastic parts
4‧‧‧ rodent block
41‧‧‧ horizontal axis
411‧‧‧Axis
42‧‧‧second tooth
421‧‧‧ tooth peak
43‧‧‧Second elastic parts
L1‧‧‧ distance
L2‧‧‧ distance

Figure 1 is a perspective view of the present invention.
Figure 2 is an exploded configuration view of the present invention.
Figure 3 is a cross-sectional view showing the structure of the tool holder of the present invention.
Fig. 4 is a partially enlarged schematic view showing the tooth block of the present invention and the tooth row of the positioning guide post engaged with the tooth portion.
Fig. 5 is a partially enlarged schematic view showing the detachment of the tooth block of the tooth row of the positioning guide column when the tool holder of the present invention is moved up and down.
Figure 6 is a schematic illustration of the slight adjustment of the position of the branches or the measurement of the dimensions by the gauge when the branches of the present invention are sheared.
Figure 7 is a schematic representation of the shearing of branches by conventional grafting shears.

Referring to Figures 1 through 6, the structure of the embodiment selected for use in the present invention is for illustrative purposes only and is not limited by such structure in the patent application.
The embodiment provides a hand-held grafting tool, as shown in FIG. 1, comprising a first handle 1, a second handle 2, a positioning guide post 3 and a rod block 4, wherein:
As shown in FIGS. 1 to 2, the front end of the first handle 1 has a carrier 11 and the second handle 2 is pivotally disposed with the first handle 1, the first handle 1 and the second handle 2 Relatively openable or closed. The front end of the second handle 2 is coupled to a tool holder 21 at a position opposite to the carrier 11. The tool holder 21 has a cutting edge 22, the cutting edge 22 can be oppositely cut with the bearing seat 11, and the tool holder 21 has a perforation. The through hole 23 has a longitudinal direction, and the side of the tool holder 21 has an elongated side hole 24, and the elongated side hole 24 communicates with the through hole 23. The tool holder 21 has a pivot on the same side of the elongated side hole 24. Connection 25.
As shown in FIG. 1 to FIG. 2, the positioning guide post 3 is erected on the carrier 11 of the first handle 1, and the tool holder 21 is bored with the through hole 23 at the positioning guide post 3, and the tool holder 21 is The restriction is only longitudinal and linearly slipped relative to the carrier 11. One side of the positioning guide post 3 has a tooth row 31. The tooth row 31 is composed of a plurality of first tooth portions 311. The tooth row 31 is exposed in the elongated side hole 24, and a first elastic is disposed in the positioning guide post 3. The first elastic member 32 pushes the tool holder 21 toward the top of the positioning guide post 3 when the two grips 1 and 2 are released.
In this embodiment, the positioning guide post 3 has a square cross section, and the through hole 23 of the tool holder 21 corresponds to the guide post 3 and is also a square hole. The through hole 23 of the tool holder 21 is disposed through the positioning guide post 3 . It can prevent dislocation due to relative rotation. As shown in FIG. 3, the first handle 1 has a positioning slot 12 at the position where the positioning guide post 3 is disposed. The positioning guide post 3 is disposed at the bottom end in the positioning slot 12 and is provided with a locking fastener. 13 is inserted through the positioning slot 12 and locked to the bottom end of the positioning guide post 3, so that the positioning guide post 3 is fixed upright on the first handle 1.
As shown in FIGS. 2 to 4, the rod block 4 is pivotally disposed in the pivot portion 25 and longitudinally pivoted. The rod block 4 has a second tooth portion 42 engaged with the plurality of teeth. The distance L1 between the axis 411 of the horizontal axis 41 and the tooth peak 421 of the second tooth portion 42 is greater than the tooth valley between the first tooth portion 311 of the horizontal axis 411 to the horizontal axis 41. At a distance L2 of 312, a second elastic member 43 pulls the rod block 4 in the pivoting portion 25 to maintain the hem of the second tooth portion 42 and maintains engagement between the plurality of first tooth portions 311.
The pivoting portion 25 shown in FIGS. 2 to 3 is a member independent of the tool holder 21, and the pivoting portion 25 is overlapped at the tool holder 21 at both ends of the longitudinal side hole 24 in the longitudinal direction. The pivoting portion 25 has two side ears 251, and a long groove 252 is formed between the two side ears 251. The horizontal axis 41 passes through the long groove 252 and is fixed to the two side ears 251. The rod block 4 is pivotally disposed in the horizontal groove 252. a shaft 41, a hook 253 passes through the long groove 252 and is fixed to the two side ears 251. The second elastic member 43 is a tension spring, and the two ends are respectively coupled to the hook 253 and the hook 253. Rodent block 4.
When the grafting tool is actually operated, the first handle 1 is closed with respect to the second handle 2, and the tool holder 21 is linearly oriented in a direction approaching the carrier 11 with the guiding of the positioning guide 3 Sliding, for cutting the grafted stem, after which the first grip 1 is opened relative to the second grip 2, and the cutter holder 21 is further away from the guide post 3 The direction of the carrier 11 is linearly slid in the longitudinal direction, thereby completing the shearing of the branches, so that the grafted stems and the grafted branches can be connected to each other in a straight shape.
When the first handle 1 is closed relative to the second handle 2, the rod block 4 will move downwardly along the tool post 21 on the positioning post 3 with the second tooth portion 42 and the first tooth portion of the tooth row 31. When the 311 is engaged, if the hand is released without continuing to close the first handle 1 and the second handle 2, the first elastic member 32 will be pulled to cause the knife holder 21 to slide upward. The distance from the axis 411 of the horizontal axis 41 to the tooth peak 421 of the second tooth portion 42 is greater than the tooth valley 312 between the first tooth portion 311 of the horizontal axis 411 to the horizontal axis 41. The distance between the tooth peaks 421 of the second tooth portion 42 and the first tooth portion 311 is higher than the horizontal axis 41. At this time, if the second tooth portion 42 of the rod block 4 is further swayed, The tooth valley 312 of the first tooth portion 311 is caught, so that the tool holder 21 cannot be slid upward, and the shear opening formed between the blade 22 and the carrier 11 can be fixed. If the second tooth portion 42 is to be disengaged from the engagement of the first tooth portion 311, the tool holder 21 can be slid upward to open the shear opening, and the first handle 1 can be opposite to the second handle 2 The second tooth portion 42 is disengaged from the engagement of the first tooth portion 311, and when the first handle 1 and the second handle 2 are loosened, the first elastic member 32 can be pulled by the pulling of the first elastic member 32. The tool holder 21 slides up.
It is not difficult to find the advantages of the present invention from the above description, in that during the shearing of the branches, the shear opening formed between the blade 22 and the carrier 11 can be determined by closing the first handle 1 relative to the second handle 2. The size of the second tooth portion 42 is engaged with the first tooth portion 311 to position the tool holder 21 on the positioning guide post 3, and the cutting opening can be fixed at this time, even if it is close to the branch without being cut. Or if it has been slightly cut into the branches, even if the two grips 1, 2 are not held by hand, the shear opening can be maintained at a fixed width. At this time, as shown in Fig. 6, the user needs to adjust slightly. When the position of the branch 5 is cut, or the length of the cut of the branch 5 is measured by the operation of the measuring tool 6, both hands can be used to achieve the convenience of cutting the branches.
The above description of the embodiments is intended to be illustrative of the invention and is not intended to limit the scope of the invention.
From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objects and is in accordance with the provisions of the Patent Law.

1‧‧‧First grip

11‧‧‧Hosting

12‧‧‧ positioning slot

13‧‧‧Locker

2‧‧‧second grip

21‧‧‧Tool holder

22‧‧‧ Blade

23‧‧‧Perforation

24‧‧‧Long side hole

25‧‧‧ pivotal department

251‧‧‧ 耳耳

252‧‧‧Long ditch

253‧‧‧Hook

3‧‧‧ Positioning guide column

31‧‧‧ teeth row

311‧‧‧First tooth

32‧‧‧First elastic parts

4‧‧‧ rodent block

41‧‧‧ horizontal axis

43‧‧‧Second elastic parts

Claims (4)

[Item 1] A grafting device capable of being fixed by a cutting opening, the system comprising:
a first handle having a carrier at the front end;
a second handle is pivotally connected to the first handle to be opened or closed, and the front end is coupled to a tool holder at a position opposite to the carrier, the tool holder having a cutting edge forming a cutting opening between the holder and the carrier. The tool holder has a longitudinal through hole, and one side of the tool holder has an elongated side hole communicating with the through hole, and the tool holder has a pivoting portion on the same side of the elongated side hole;
a positioning guide column is erected on the bearing seat of the first handle, and the tool holder is inserted through the positioning guide post with its through hole to limit longitudinal and linear sliding only relative to the bearing seat, and one of the positioning guiding columns a tooth row formed by the plurality of first tooth portions is exposed in the elongated side hole, and the positioning guide column is provided with a first pusher for pushing the tool holder toward the top of the positioning guide post when the two handles are loosened Elastic member
a rod block pivotally disposed in the pivot portion and longitudinally pivotable, the rod block having a second tooth portion engaged between the plurality of first tooth portions, the axis of the horizontal axis to the The distance of the tooth peak of the second tooth portion is greater than the distance between the axis of the first tooth portion of the horizontal axis to the horizontal axis, and a second elastic member pinches the rod block in the pivot portion to maintain the first The two tooth hem is maintained and meshed between the plurality of first teeth. [Item 2] The grafting device according to claim 1, wherein the positioning guide pillar has a square cross section, and the perforation of the tool holder is positioned as a square hole, and the tool holder is perforated. When it is placed on the positioning guide post, it can prevent relative rotation and dislocation. [Item 3] The cleavage opening-fixable grafting tool according to claim 1, wherein the first handle has a positioning groove at a position where the positioning guide post is disposed, and the positioning guide post is disposed at the bottom end of the positioning guide groove And a locking fastener is inserted through the positioning slot to be locked to the bottom end of the positioning guide post, and the positioning guide post is disassembled and mounted on the first handle. [Item 4] The cleavage opening-fixable grafting tool according to claim 1, wherein the pivoting portion overlaps the turret at both ends of the elongated side hole in the longitudinal direction, and the pivoting portion has two side ears. a long groove is formed between the two ears, the transverse axis passes through the long groove and is fixed to the two side ears. The rod block is pivotally disposed on the horizontal axis of the long groove, and a hook column passes through the long groove above the horizontal axis and is fixed on the horizontal groove. The two side ears, the second elastic member is a tension spring, and the two ends are respectively coupled to the hook column and the rod block.