WO2017156750A1

WO2017156750A1 - Handheld annular cutting blade

Info

Publication number: WO2017156750A1
Application number: PCT/CN2016/076615
Authority: WO
Inventors: 刘秋平; 胡安
Original assignee: 刘秋平
Priority date: 2016-03-17
Filing date: 2016-03-17
Publication date: 2017-09-21
Also published as: CN205835430U

Abstract

A handheld annular cutting blade (100) belonging to the field of cutting tools, comprising a disc cutting blade (10) and a handheld handle (20), the disc cutting blade (10) being provided annularly, a cutting blade edge (11) being provided on the outer side of the disc cutting blade (10), and the handheld handle (20) comprising an upper handle (30) mounted over the outer side of a section of the disc cutting blade (10), a lower handle (40) buckled to the upper handle (30) from the annular inner side of the disc cutting blade (10), and a locking and fixing mechanism (50) fixedly connecting the two ends of the upper handle (30) to the two ends of the lower handle (40) respectively. The lower handle (40) is buckled with the upper handle (30) from the annual inner side of the disc cutting blade (10), thus the handheld handle (20) is mounted on the disc cutting blade (10). When cutting, a position that corresponds to a section of the disc cutting blade (10) is held by hand, and the cutting blade edge at another section of the disc cutting blade (10) can slidably cut sheet-shaped articles, improving cutting efficiency, and reducing the force when cutting.

Description

Manual Title: Handheld Ring Cutter

Technical field

[0001] The present invention belongs to the field of tools, and more particularly to a hand-held ring cutter.

Background technique

[0002] Hand-held cutters are commonly used in the cutting of pizza, pancakes or other large sheet-like articles. In the prior art, the cutter is generally connected to the handle at one end of the elongated blade body, and the handle is gripped to operate the blade body to cut the sheet-like article. However, the cutting tool can only cut one body at a time, and the cutting efficiency is low. And cut the 吋, hold the handle at one end of the cutter, and cut with the cutter at the other end, the force is greater.

technical problem

[0003] It is an object of the present invention to provide a hand-held ring cutter which aims to solve the problem that the prior art tool cuts the sheet, has low cutting efficiency, and requires a large pressure.

Problem solution

Technical solution

The present invention is achieved by a hand-held annular cutting blade comprising a disc cutter for cutting and a handle for wrapping a section of the disc cutter, the disc cutter being An annular arrangement, another section of the disc cutter extending beyond the handle, the outer side of the disc cutter is provided with a cutting edge, and the handle comprises a sleeve An upper handle of the outer side of the upper portion of the knife, a lower handle engaged by the annular inner side of the disc cutter and the upper handle, and two ends of the upper handle and the lower handle respectively a locking mechanism is fixedly connected to the end, and a first receiving groove is disposed on the opposite inner side of the upper handle, and a second receiving groove is disposed on the lower handle corresponding to the position of the first receiving groove. The first accommodating groove and the second accommodating groove cooperate to receive a section on the disc cutter.

[0005] Further, at least two rollers for supporting the disc cutter are pivotally connected to the upper handle, and each of the rollers is provided with an annular groove for positioning the disc cutter, Corresponding jaws in the upper handle are provided with mounting cavities for respectively mounting the respective rollers.

[0006] Further, each of the annular grooves has a resisting surface that abuts against opposite sides of the disc cutter, and a bottom of the annular groove is provided with a receiving groove for receiving the cutting edge. [0007] Further, a position corresponding to each of the mounting cavities on the upper handle is provided with a first chute for sliding the corresponding roller into the mounting cavity.

[0008] Further, a brake pad for pressing the disc cutter to adjust the rotational speed of the disc cutter is further included

[0009] Further, the brake plate abuts the annular inner side of the disc cutter, and the opposite inner side of the lower handle is provided with a mouth communicating with the second receiving groove, and one of the brake plates The side is extended by the second receiving groove through the mouthpiece beyond the lower handle.

[0010] Further, a positioning plate is extended on the opposite outer side of the lower handle, and a positioning groove for receiving the positioning plate is disposed on the opposite inner side of the upper handle.

[0011] Further, the locking mechanism includes a connecting block, one end of the connecting block is hinged with an end of the upper handle, and the other end of the connecting block is provided with an accommodating chamber, and the lower handle is The end portion is provided with a connecting plate inserted into the accommodating chamber, and the locking mechanism further includes a locking member for locking the connecting plate in the accommodating chamber.

[0012] Further, one end of the connecting block is provided with a long through hole, and the upper handle is provided with a pivot shaft passing through the through hole, and the connecting plate is away from the side of the pivot a card protrusion is protruded, and a side wall of the accommodating chamber is provided with a card slot for accommodating the card protrusion, and the locking member is a knob hinged on the connecting block, and the knob is provided on the knob Abutting the upper handle to push the connecting block away from the cam of the card protrusion

[0013] Further, an end of the upper handle protrudes from a baffle that cooperates with the cam, and the baffle extends into the accommodating chamber.

[0014] Further, the connecting plate is provided with a hook groove, the locking member includes a hook engaged with the hook groove and a pin supporting the hook, and the pin is pivotally connected to the connecting On the block.

Advantageous effects of the invention

Beneficial effect

[0015] The present invention inserts the outer side of a section of the disc cutter into the first receiving groove of the upper handle by providing the upper handle, the lower handle and the locking mechanism, and the lower handle is removed from the disc cutter The inner side of the ring is engaged with the upper handle, and the two ends of the upper handle are respectively fixed to the two ends of the lower handle by using a locking mechanism, thereby mounting the handle on the disc cutter. In the cutting 吋, the corresponding position of a section of the hand-held disc cutter, and the relative hand on the disc cutter The cutting edge on the outer side of the other section of the handle can slide and cut the sheet-like article, thereby improving the cutting efficiency, and simultaneously facilitating the force and reducing the force of cutting the file.

Brief description of the drawing

DRAWINGS

1 is a perspective structural view of a hand-held annular cutter according to an embodiment of the present invention;

2 is a schematic structural view of the locking mechanism of the hand-held annular cutting blade of FIG. 1 , in which the locking mechanism is a perspective view;

3 is a cross-sectional view showing a portion of the structure taken along line A-A of FIG. 2;

4 is a schematic structural view of the locking mechanism of the hand-held annular cutting blade of FIG. 2 after unlocking;

5 is a schematic exploded view of the hand-held annular cutting blade of FIG. 4; [0020] FIG.

[0021] FIG. 6 is an exploded perspective view of the hand-held handle of the hand-held annular cutter of FIG. 1, wherein the upper handle is a perspective view;

7 is a perspective structural view showing another angle of the upper handle of FIG. 6;

8 is a schematic view of the roller in the upper handle of the hand-held annular cutter of FIG. 1 supporting the disc cutter 吋.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

1 to 8, a handheld ring cutter 100 according to an embodiment of the present invention includes a disk cutter 10 and a handle 20, and the disk cutter 10 is annularly disposed, and the disk cutter is provided. The outer side of the 10 is provided with a cutting edge 11, and the handle 20 is mounted on the disc cutter 10, and the handle 20 encloses a section of the disc cutter 10 for easy grip; and the disc cutter Another section of the 10 extends beyond the handle 20 so that the cutting edge 11 on the section can be used to slide over the sheet-like article, thereby sliding the sheet-like article, improving cutting efficiency and reducing effort. Referring to FIG. 5, FIG. 6 and FIG. 7, the handle 20 includes an upper handle 30, a lower handle 40, and a locking mechanism 50 for fixing the two ends of the upper handle 30 to the two ends of the lower handle 40, respectively. The first accommodating groove 31 is disposed on the opposite side of the disk. When the outer side of a section of the disk cutter 10 is inserted into the first accommodating groove 31, the upper handle 30 can be placed on the disk cutter 10. Outer edge of the segment position; lower handle 40 The annular inner side of the disc cutter 10 is engaged with the upper handle 30; the inner side of the lower handle 40 is provided with a second accommodating groove 41, and the first accommodating groove 31 and the second accommodating groove 41 are combined to receive the disc cutting. A section on the knife 10 causes the hand held handle 20 to wrap the section of the disc cutter 10 for easy grip. In the installation 吋, the lower handle 40 is placed on the inner side of the ring of the disc cutter 10, and the inner side of a section of the disc cutter 10 is inserted into the second accommodating groove 41, and the upper handle 30 is set. On the opposite outer side of the section of the disc cutter 10, the upper handle 30 is engaged with the lower handle 40, and the two ends of the upper handle 30 are respectively fixed to the ends of the lower handle 40 by using the locking mechanism 50. Connected.

[0026] By providing the upper handle 30, the lower handle 40 and the locking mechanism 50, the outer side of a section of the disc cutter 10 is inserted into the first receiving groove 31 of the upper handle 30, and the lower handle 40 is The annular inner side of the disc cutter 10 is engaged with the upper handle 30, and the two ends of the upper handle 30 are respectively fixed to the both ends of the lower handle 40 by the locking mechanism 50, thereby mounting the handle 20 on the disc cutter 10. . In the cutting boring, the position of the section of the hand-held disc cutter 10 is corresponding, and the cutting edge 11 on the outer side of the other section of the disc cutter 10 opposite to the handle shank 20 can slide and cut the sheet-like article, thereby Improve the cutting efficiency, and at the same time, it is convenient to use force and reduce the force of cutting the file.

[0027] Please refer to FIG. 3, FIG. 6, FIG. 7, and FIG. 8. Further, at least two rollers 35 are pivotally connected to the upper handle 30, and the rollers 35 are provided with annular grooves 351, and the corresponding handles of the upper handles 30 are provided. There are mounting chambers 33 for mounting the respective rollers 35, and the rollers 35 are respectively mounted in the respective mounting cavities 33. When the disc cutter 10 is mounted, the outer side of the disc cutter 10 extends into the upper handle 30. In a receiving groove 31, the outer side of the disc cutter 10 extends into the annular groove 351 of each roller 35, and the three rollers 35 support the disc cutter 10. The circular cutter 10 can be positioned to cooperate with the annular groove 351 on the three rollers 35. A roller 35 is provided to support the disc cutter 10. When the disc cutter 10 is used for sliding cutting, the disc cutter 10 can perform the roller 35 at the same time, so that the sheet-like article can be better cut and the disc can be improved. The service life of the cutter 10. In the present embodiment, the roller 35 is provided in three to stably support the disc cutter 10. In other embodiments, the rollers 35 may also be provided in four or more.

[0028] Further, each annular groove 351 has a resisting surface 352 that abuts against opposite sides of the circular cutter 10, and a bottom of the annular groove 351 is provided with a receiving groove 353 for accommodating the cutting edge 11. Abutting surface 352 is disposed on the annular groove 351 to abut the opposite sides of the circular cutter 10, and a receiving groove 353 is disposed at the bottom of the annular groove 351 to prevent the roller 35 from abutting the disk cutter 10. Cutting the blade 11, thereby preventing damage to the cutting of the disc cutter 10 The cutting edge 11 increases the service life. Further, in order to better position the disc cutter 10, the annular groove 351 on each of the rollers 35 is V-shaped.

Further, a first chute is provided on the upper handle 30 corresponding to each of the mounting cavities 33. Each of the rollers 35 is slid into the corresponding mounting cavity 33 by the corresponding first chute 331. Setting the first chute 331, When the roller 35 is mounted, the roller 35 can be placed in the corresponding first chute 331 and can be slid into the corresponding mounting cavity 33 for easy installation.

Further, each of the rollers 35 is supported in the corresponding mounting cavity 33 by the support shaft 36. The provision of the support shaft 36 not only facilitates the support of the rollers 35, but also allows the rollers 35 to be more flexibly rotated. Further, a second sliding slot 332 for positioning the support shaft 36 is disposed in each of the first sliding slots 331. A second chute 332 is disposed in each of the first chutes 331 to facilitate the mounting of the respective rollers 35, and the corresponding support shafts 36 are slidably mounted.

[0031] Further, the hand-held annular cutting blade 100 further includes a brake plate 45. The opposite inner side of the lower handle 40 is provided with a mouthpiece (not shown) that communicates with the second receiving groove 41, and the brake plate 45 One side is protruded from the lower handle 40 by the second receiving groove 4 1 through the mouth. The brake plate 45 is disposed. When the disc cutter 10 is slid and cut, the brake plate 45 can be pressed against the annular inner side of the disc cutter 10 to control the rotation speed of the disc cutter 10, or The disc cutter 10 is stopped to rotate, so as to better control the cutting force and efficiency, and improve the safety of use. In other embodiments, the brake plate 45 can also have other structures, such as a pressing plate can be installed in the second receiving groove 41, and a push rod is disposed on the pressing plate; the position of the lower handle 40 corresponding to the push rod is set. The pupil is pushed out of the lower handle 40, and the pressing plate is pressed against the pusher to press the side of the disc cutter 10 to control the speed at which the disc cutter 10 is rotated. Of course, the pressing plate is also installed in the first accommodating groove 31, and the boring hole is disposed on the upper handle 30 corresponding to the position of the push rod, so that the other end protrudes beyond the upper handle 30, and the push rod is pressed. The abutting plate presses against the side of the disc cutter 10 to control the speed at which the disc cutter 10 is rotated.

[0032] Further, the opposite outer side of the lower handle 40 protrudes from the positioning plate 42, and the opposite inner side of the upper handle 30 is provided with a positioning groove 32 for receiving the positioning plate 42. The positioning plate 42 is disposed on the opposite outer side of the lower handle 40, and the positioning groove 32 is disposed on the opposite inner side of the upper handle 30. When the upper handle 30 and the lower handle 40 are engaged with each other, the positioning function can be performed, and the positioning plate 42 is inserted into the positioning slot. In 32, the connection between the upper handle 30 and the lower handle 40 can be made more stable and firm. In this embodiment, the positioning groove 32 is in communication with the first receiving groove 31.

[0033] In this embodiment, the upper handle 30 is disposed in a C shape, and the lower handle 40 is also disposed in a C shape. The upper handle 30 can be One piece. The lower handle 40 can also be integrally formed. It is easy to process and manufacture, and the strength of the upper handle 30 and the lower handle 40 is ensured. In other embodiments, the upper handle 30 can also be disposed in other shapes, such as placing the top of the upper handle 30 in a planar shape or the like to facilitate gripping. Of course, the opposite inner side surface of the upper handle 30 is C-shaped, and the shape of the first accommodating groove 31 in the longitudinal direction is also C-shaped so as to fit the disk cutter 10. Similarly, the lower handle 40 can also be disposed in other shapes, such that the opposite inner side of the handle 40 is disposed in a planar shape for holding by hand. Of course, the opposite outer side of the lower handle 40 (in the present embodiment, the outer side of the lower handle 40 refers to the side of the lower handle 40 that is adjacent to the upper handle 30) is disposed in a C-shape so as to cooperate with the opposite inner side of the upper handle 30, Cooperate with the disc cutter 10. The shape of the second accommodating groove 41 of the lower handle 40 is also C-shaped in the longitudinal direction so as to fit the disk cutter 10.

[0034] Referring to FIG. 2, FIG. 4 and FIG. 6, the locking mechanism 50 is two sets, and the two ends of the upper handle 30 are fixedly connected with the two ends of the lower handle 40, respectively. Each of the locking mechanisms 50 includes a connecting block 51 and a locking member; one end of the connecting block 51 is hinged to the end of the upper handle 30, and the other end of the connecting block 51 is provided with an accommodating chamber 511, and the end of the lower handle 40 is provided with an insertion. The connecting plate 43 in the accommodating chamber 511 locks the connecting plate 43 in the accommodating chamber 511. After the locking cymbal, the connecting block 51 is rotated, the connecting plate 43 of the lower handle 40 is inserted into the accommodating chamber 511, and the connecting member is fixed by using the locking member, so that the correspondence between the end of the upper handle 30 and the lower handle 40 can be realized. The ends are fixedly connected.

[0035] Further, one end of the connecting block 51 is provided with a long through hole 513, and the upper handle 30 is provided with a pivot 38 passing through the through hole 513, and the connecting plate 43 is protruded from the side away from the pivot 38. There is a card protrusion 44. The side wall of the accommodating chamber 511 is provided with a card slot 512 for accommodating the card protrusion 44. The locking member is a knob 52 hinged on the connecting block 51, and the knob 52 is provided with a handle for abutting the top 30 to push the connecting block 51 away from the cam 521 of the tab 44. When the connecting plate 43 is inserted into the accommodating chamber 511 of the connecting block 51, an elongated through hole 513 is provided at one end of the connecting block 51, and the side pivot 38 can slide in the elongated through hole 513 when the knob 52 is turned吋, driving the cam 521 to rotate, the cam 521 abuts the upper handle 30, and moves the connecting block 51 away from the card protrusion 44, so that the locking protrusion 44 can enter the card slot 512 on the side wall of the accommodating chamber 511, thereby The connecting block 51 is fixedly connected to the connecting plate 43, and the upper handle ₃₀ is fixedly connected to the lower handle 40. After the unlocking 吋, the rotating knob 52 is reflected, the cam 521 is separated from the upper handle 30, and the connecting block 51 can slide along the elongated through hole 513, so that the tab 44 on the connecting plate 43 is disengaged from the side wall of the accommodating chamber 51 1 The card slot 512, and then the connecting block 51, can separate the connecting plate 43 of the lower handle 40 from the connecting block 51, thereby unlocking, so as to replace or repair the disc cutter 10.

[0036] Further, the end of the upper handle 30 is convexly provided with a baffle 37 that cooperates with the resisting cam 521, and the baffle 37 extends into the cavity. Set in chamber 511. A baffle 37 is provided at the end of the upper handle 30, and the cam 521 can be placed against the upper handle 30吋 to provide a resisting portion. When the opposite inner side surface of the baffle 37 has the same shape as the outer side surface of the connecting plate 43 of the lower handle 40, the upper handle 30 and the lower handle 40 can also be positioned by the cooperation of the baffle 37 and the connecting plate 43.

In other embodiments, the connecting plate 43 is provided with a hook groove, and the locking member includes a pin that fits into the hook groove and a pin that supports the hook, and the pin is pivotally connected to the connecting block 51. The hook groove and the hook structure are arranged, and in the locking 吋, the hook is hung in the hook groove to realize the fixed connection of the upper handle 30 and the lower handle 40. Of course, in other embodiments, the connecting block 51 can also be fixedly connected to the lower handle 40 by screws, that is, the locking member can be a screw. In still other embodiments, the locking mechanism 50 can be a buckle that is snapped onto the corresponding end of the upper handle 30 and the lower handle 40, that is, the upper handle 30 can be fixedly coupled to the lower handle 40.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. Within the scope of protection of the invention.

Claims

Claim

[Claim 1] A hand-held annular cutting blade, comprising: a disc cutter for cutting and a hand-held handle enclosing a section of the disc cutter, the disc cutter being annular Arranging that another section of the disc cutter extends beyond the handle, the outer side of the disc cutter is provided with a cutting edge, and the handle comprises a sleeve cutter An upper handle of an outer side of the upper section, a lower handle engaged by the annular inner side of the disc cutter and the upper handle, and two ends of the upper handle and the lower end of the lower handle, respectively a first accommodating groove is disposed on the opposite inner side of the upper handle, and a second accommodating groove is disposed on the lower handle corresponding to the position of the first accommodating groove, The first accommodating groove and the second accommodating groove cooperate to receive a section on the disc cutter.

[Claim 2] The hand-held annular cutter according to claim 1, wherein at least two rollers for supporting the disc cutter are pivotally connected to the upper handle, and each of the rollers is squatted An annular groove for positioning the disc cutter is provided, and a corresponding one of the upper handles is provided with a mounting cavity for mounting each of the rollers.

[Claim 3] The hand-held ring cutter according to claim 2, wherein each of the annular grooves has a resisting surface that abuts against opposite sides of the disc cutter, the annular groove The bottom portion is provided with a receiving groove for receiving the cutting edge.

[Claim 4] The hand-held annular cutting blade according to claim 2, wherein a position corresponding to each of the mounting cavities is provided on the upper handle for sliding the corresponding roller into the mounting cavity The first chute in the middle.

[Claim 5] The hand-held annular cutter according to claim 2, further comprising a brake plate for pressing the disc cutter to adjust the rotational speed of the disc cutter.

[Claim 6] The hand-held annular cutter according to claim 5, wherein the brake plate abuts the annular inner side of the disc cutter, and the opposite inner side of the lower handle is provided with a communication center The mouth of the second accommodating groove, one side of the brake plate is protruded from the second accommodating groove through the mortise opening outside the lower handle.

The hand-held annular cutting blade according to any one of claims 1 to 6, wherein the opposite outer side of the lower handle protrudes and has a positioning plate, and the opposite inner side of the upper handle cooperates with each other. A positioning groove for receiving the positioning plate is provided.

[Claim 8] The hand-held ring cutter according to any one of claims 1 to 6, wherein the locking mechanism includes a connecting block, one end of the connecting block and an end of the upper handle Hinged, the other end of the connecting block is provided with an accommodating chamber, the end of the lower handle is provided with a connecting plate inserted into the accommodating chamber, and the locking mechanism further comprises locking the connecting plate The locking member in the accommodating chamber.

[Claim 9] The hand-held annular cutting blade according to claim 8, wherein one end of the connecting block is provided with an elongated through hole, and the upper handle is provided through the through hole a latching portion, a side of the connecting plate away from the pivot is convexly disposed, and a side wall of the receiving chamber is provided with a card slot for receiving the card protrusion, and the locking member is a knob hinged to the connecting block, the knob being provided with a cam for abutting the upper handle to push the connecting block away from the card protrusion.

[Claim 10] The hand-held annular cutter according to claim 9, wherein the end of the upper handle is convexly provided with a baffle that cooperates with the cam, and the baffle extends into the capacity Set in the room.

[Claim 11] The hand-held ring cutter according to claim 10, wherein the connecting plate is provided with a hook groove, and the locking member includes a hook and a supporting base that fit into the hook groove. The pin of the hook is pivotally connected to the connecting block.