TWI473562B - A pair of edge angle adjustable garden shears - Google Patents

Description

Gardening shears with adjustable edge angle

The present invention provides a garden shear that can arbitrarily adjust the angle of the cutting edge, which is related to gardening.

Gardening shears, one of the tools often used in gardening work. Generally, gardening shears usually only provide two types of locks that are adjusted to open or closed, so that the gardening shear can't adjust the edge size according to the needs of use; therefore, There is a segmented gardening shear 10 as shown in FIG. 1 , which mainly comprises a first shearing handle 11 and a second shearing handle 12 pivotally coupled by a pivoting member 13 , and the first shearing handle A spring 14 is disposed between the second shearing handle 12 and the second shearing handle 12 to provide a source of resetting power during use, and the gardening shear 10 is provided for the purpose of adjusting the size of the cutting edge. a positioning slot 111 and a second positioning slot 112, and an adjustment slot 121 is disposed on the second handle 12, and an adjustment knob 15 is inserted into the adjustment slot 121. The slot 121 is formed in the slot 121, and the card slot 122 of the adjustment slot 121 and the positioning slot 111 on the first handle 11 are locked by the adjustment knob 15 112, the gardening shear 10 can be adjusted to form two different edge sizes or complete The position of the open edge size; thereby providing the user with the need for three different cutting edge sizes; however, although the gardening shear 10 provides two different edge size adjustment positions in addition to the full opening, the adjusted position The card slot 122 and the positioning slots 111 and 112 of the adjustment slot 121 are still limited, and the user is not able to adjust the required angle freely and without limitation. Therefore, there is still room for improvement in applicability; Therefore, the inventors have devoted themselves to research and further conceived, and after many trials and developments, finally invented a gardening shear that can adjust the cutting edge angle arbitrarily.

The invention provides a gardening shear which can adjust the cutting edge angle arbitrarily, and the main purpose thereof is to solve the problem that the conventional gardening shear is limited in that the clamping structure can only adjust the set fixed angle and has the lack of applicability.

To achieve the foregoing objective, the present invention provides a garden shear that can arbitrarily adjust a cutting edge angle, and includes a first shearing handle and a second shearing handle pivotally coupled through a pivoting assembly, and a locking unit can be used Selectively locking the first handle and the second handle, wherein: the first handle has a first limit slot and a positioning protrusion; the second handle is pivoted relative to the first limit slot, and the second handle The second cutting handle has a through opening, and the positioning protrusion of the first cutting handle extends toward the opening; an angle limiting member is slidably disposed on the second cutting handle, the angle limiting member has a plurality of driving teeth and a limiting end portion of the through opening, the limiting end portion limits a maximum opening angle of the first shearing handle relative to the positioning convex portion of the first shearing handle, and an adjusting member is pivotally disposed on the second shearing handle The adjusting member is engaged with the driving tooth of the angle limiting member by a screw operating portion having a spiral groove, and pivoting the screw operating portion to cause the spiral groove to move the angle limiting member to change the maximum opening angle of the first cutting handle .

The first cutting handle generates a limit of the maximum opening angle by the limiting end of the positioning convex relative angle limiting member, and the adjusting member can change the position of the angle limiting member and simultaneously change the maximum opening angle of the first cutting handle. The user can adjust the cutting edge angle within the displacement range of the angle limiting member, without being limited by the fixed angle after setting, and can truly improve the degree of freedom of use.

"Knowledge Technology"

10‧‧‧Garden shears

11‧‧‧First shear handle

111‧‧‧First positioning card slot

112‧‧‧Second positioning card slot

12‧‧‧Second handle

121‧‧‧Adjust long slot

122‧‧‧ card slot

13‧‧‧ pivot parts

14‧‧‧ Spring

15‧‧‧Adjustment button

"this invention"

20‧‧‧First shear handle

21‧‧‧ first handle

211‧‧‧First stop slot

22‧‧‧ first blade

221‧‧‧Arc blade

222‧‧‧blunt edges

223‧‧‧ positioning convex

224‧‧‧ first port

30‧‧‧Second handle

31‧‧‧second handle

32‧‧‧second blade

321‧‧‧second port

322‧‧‧ device mouth

33‧‧‧ front

331‧‧‧ device mouth

332‧‧‧Second pivot hole

333‧‧‧ pivot

334‧‧‧ pivot slot

34‧‧‧Back

341‧‧ long slot

35‧‧‧ side

351‧‧‧Second stop slot

352‧‧‧Chute

36‧‧‧ wearing a mouth

40‧‧‧ Angle Limits

41‧‧‧Drive Department

411‧‧‧With moving teeth

412‧‧‧Indicating convex

42‧‧‧Guiding block

43‧‧‧Limited block

431‧‧‧Limited end

50‧‧‧Adjustment

51‧‧‧Spiral Operation Department

511‧‧‧Spiral groove

52‧‧‧ pivot

60‧‧‧ Cover

61‧‧‧ pivot hole

62‧‧‧ indicating hole

63‧‧‧Operation hole

631‧‧‧ Limit recess

64‧‧‧Indication mark

70‧‧‧ Spring

80‧‧‧Lock unit

81‧‧‧Locking parts

811‧‧‧Card hook

812‧‧‧Definition

813‧‧‧ card slot

82‧‧‧Drives

821‧‧‧Clamping bumps

90‧‧‧ pivot assembly

91‧‧‧First pivoting piece

911‧‧ plane

92‧‧‧Second pivoting piece

Figure 1 is a schematic diagram of the structure of a gardening shear that can be adjusted at a fixed angle.

Fig. 2 is a schematic exploded perspective view of a garden shear which can adjust the cutting edge angle arbitrarily according to the present invention.

Fig. 3 is a schematic view showing the combined appearance of the three-dimensional structure of the garden shear which can adjust the cutting edge angle arbitrarily according to the present invention, and is in a locked state.

Fig. 4 is a schematic view showing the combined appearance of the three-dimensional structure of the garden shear which can adjust the cutting edge angle arbitrarily according to the present invention, and is in an open state of use.

Fig. 5 is a cross-sectional view showing a partial structure of a garden shear which can arbitrarily adjust the cutting edge angle of the present invention, and is in a non-use state of locking.

Fig. 6 is a cross-sectional view showing a partial structure of a garden shear which can arbitrarily adjust the cutting edge angle of the present invention, and is in an open state of use.

Fig. 7 is a partial cross-sectional view showing the garden shear of the blade edge which can be arbitrarily adjusted according to the present invention, and is used to open and adjust the angle of the first shear shank.

Fig. 8 is a schematic view showing the state of use of the gardening shear which can adjust the cutting edge angle arbitrarily according to the present invention, and shows the state of the adjustable range.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: The present invention is a garden shear that can adjust the cutting edge angle arbitrarily. The preferred embodiment, as shown in FIGS. 2-8, is mainly comprised of a first shearing handle 20 and a second shearing handle 30 pivotably coupled by a pivoting assembly 90, and optionally by a locking unit 80. The first handle 20 and the second handle 30 are locked, and the second handle 30 is further used with an adjusting member 50 and an outer cover 60, and the first handle 20 and the second handle 30 are used. A spring 70 is further disposed between: The first cutting handle 20 is fixedly coupled by a first shank portion 21 and a first cutting edge 22. The first shank portion 21 has a first limiting groove 211. The first cutting edge 22 has a half moon shape and Having a curved edge portion 221 and a flat blunt edge 222, the blunt edge 222 of the first cutting edge 22 has a positioning protrusion 223 at one end, and the first cutting edge 22 has a first opening 224, the first The first opening 224 is formed by a second shank 31 and a second cutting edge 32. The second shank 31 has an opposite front surface 33 and a rear surface. And a second side surface 35 connected to the front surface 33 and the one end of the back surface 34. The front end 33 and the other end of the back surface 34 have a through opening 36. The front surface 33 has a through device opening 331 and a second pivoting hole. 332, and the opposite side of the device port 331 is provided with two pivoting seats 333, each pivoting seat 333 has a pivot slot 334, and the back surface 34 has a long slot 341, and one of the side faces 35 has a second limiting slot And a sliding slot 352 respectively located at two sides of the second limiting slot 351; the second cutting edge 32 has a second opening 321 and a device port 322, the second cutting edge 32 is opposite to the device opening 331 and 322 of the second shank portion 31, and the second cutting edge 32 is fixedly disposed on the front surface 33 of the second shank portion 31 and located at the front surface 33 and the back surface 34 The second handle 30 is disposed at a position opposite to the first port 224 of the first handle 20 and the second port 321 and the second pivot hole 332 are opposite to the first port 224 of the first handle 20, and the first handle 20 is disposed. The positioning protrusion 223 extends toward the opening 36 of the second handle 30; the second handle 30 is more slidably disposed with an angle limiting member 40, and the angle limiting member 40 is formed by a driving portion 41. a block structure of a guiding block 42 and a limiting block 43. The driving portion 41 is formed with a plurality of driving teeth 411, and one surface of the driving portion 41 is convexly formed with an indicating convex portion 412, and the other surface is formed with the guiding portion. 42. The limiting block 43 has a limiting end portion 431. The angle limiting member 40 passes through the second handle portion 31 and the device opening 331 of the second cutting edge 32. 322, and the guiding block 42 of the angle limiting member 40 is slidably disposed on the long slot 341 of the back surface 34, and the limiting block 43 of the angle limiting member 40 is located at the second cutting edge 32 and the back surface 34. The limiting end portion 431 of the angle limiting member 40 is passed through the opening 36 of the second handle portion 31. The limiting end portion 431 limits the first portion relative to the positioning convex portion 223 of the first cutting handle 20. The maximum opening angle of the shank 20; the adjusting member 50 is formed by a pivot 52 formed on each end of the screw operating portion 51 having the spiral groove 511, and the pivot 52 at both ends of the adjusting member 50 is pivotally received The spiral groove 511 of the screw operating portion 51 of the adjusting member 50 is engaged with the driving tooth 411 of the angle limiting member 40 and is in a movable state. The pivoting portion 51 is pivoted to cause the helical groove 511 to displace the angle limiting member 40 to change the maximum opening angle of the first cutting handle 20; the outer cover 60 has a pivoting hole 61 and an indicating hole 62 And an operation hole 63, and the outer cover 60 is further disposed with an indication mark 64 adjacent to the indication hole 62 for indicating the edge angle The inner peripheral edge of the operating hole 63 is formed with a second limiting recess 631. The outer cover 60 covers the second handle 31, and the pivoting hole 61 is opposite to the second pivoting hole 332 of the second handle 31. The second opening 321 of the two cutting edges 32, and the indicating protrusion 412 of the angle limiting member 40 is passed through the indicating hole 62, and the two limiting recesses 631 of the operating hole 63 correspondingly cover the adjusting member 50 The pivoting portion 52 is exposed by the operating hole 63; the spring 70 is coupled to the first handle portion 21 and the second handle 30 of the first shearing handle 20, respectively. The locking portion 80 includes a locking member 81 and a driving member 82. The two ends of the locking member 81 are respectively a locking hook portion 811 and a certain stopping portion 812, and the locking member 81 With There is a card slot 813, and the driving member 82 has a locking protrusion 821. The locking member 81 is slidably received in the second limiting slot 351 of the second handle portion 31, and the locking member 81 is The hooking portion 811 extends toward the through opening 36, and the fixed portion 812 is normally held against the side surface 35 of the second handle portion 31, and the driving member 82 is slidably sleeved on the first portion The sliding groove 352 of the second handle 31, and the locking protrusion 821 of the driving member 82 is engaged in the locking groove 813 of the locking member 81 and can drive the locking member 81 to slide, when the locking hook portion is The positioning protrusion 223 of the first cutting handle 20 can be locked into a locked state, and the pivoting assembly 90 includes a first pivoting member 91 and a second pivoting member 92. The first pivoting member 91 passes through the first opening 224 of the first shearing handle 20 and penetrates through the second opening 321 and the second pivoting hole 332 of the second shearing handle 30, and finally The pivoting hole 61 of the outer cover 60 is passed out, and the second pivoting member 92 is locked to the end of the first pivoting member 91 and the second cutting edge of the second sliding handle 30. 32 with respect to the first limit of the first handle portion 21 Grooves 211 can be limiting, a first groove 211 relative to the pivot.

The above is the structural configuration and characteristics of the garden shear which can adjust the cutting edge angle arbitrarily according to the present invention, and the use state and the locked state are as shown in FIGS. 3 and 4, and FIG. 3 is the locked state which is not used, and the lock state is to be locked. When the first handle 20 and the second handle 30 are pressed, the first handle 20 and the second handle 30 are pressed first, so that the first handle 20 and the second handle 30 compress the spring 70. Relatively close, and pivoting the first shearing handle 20 to the position of the positioning protrusion 223 relative to the locking member 81 of the locking unit 80; then the driving member 82 of the locking unit 80 can be toggled to make the driving member The locking member 81 is displaced upward by the engagement of the locking protrusion 821 in the locking groove 813. When the locking member 81 is displaced upward, the locking hook portion 811 of the locking member 81 can be used by the second The opening 36 of the handle 30 is inserted out and the positioning protrusion 223 of the first handle 20 is locked, so that the first handle 20 is restricted from being locked by the positioning protrusion 223, and is not in this state. The locking state is used; when the flower shear is to be used, the locking member 81 is only required to be displaced downward by the driving member 82, and the locking member 81 is displaced downward to the positioning convex portion of the first cutting handle 20. At 223, the first shearing handle 20 is free to pivot, and in this state is a pivotable state of use; and in the state of use, since the limiting end portion 431 of the angle limiting member 40 is pierced through the opening 36. Therefore, the first shearing handle 20 is again restricted by the limiting end portion 431 in this state. When the first locking handle 20 is pivoted until the positioning convex portion 223 abuts against the limiting end portion 431, the first The maximum opening angle of the handle 20; when the user wants to adjust the angle between the first handle 20 and the second handle 30, it is only exposed to the operation hole 63 of the cover 60 by pivoting. The adjusting member 50 causes the spiral groove 511 of the screw operating portion 51 of the adjusting member 50 to drive the driving tooth 411 meshing therewith, and the driving tooth 411 drives the driving member 411 The limit stop 40 generates a displacement, and the angle limit member 40 is guided by the long groove 341 of the back surface 34 of the second cutter handle 30 to generate a linear position change, and when the angle limit member 40 is displaced, the angle limit is limited. The limiting end portion 431 of the member 40 can simultaneously push the positioning convex portion 223 of the first shearing handle 20 to change the maximum opening angle of the first cutting handle 20; as can be seen from the above, the present invention transmits the angle limiting member 40 and the adjustment. The fitting of the member 50 can change the maximum opening angle of the first cutting handle 20, and can provide free adjustment of the user within the displacement range of the angle limiting member 40. As shown in FIG. 8, the user is provided in a certain range. The inner freely adjustable angle is not limited by the positioning of the structure, and the user can adjust to the desired angle and then lock through the locking unit 80, which is very convenient to use, and has an extremely high degree of freedom in adjusting the angle. Free adjustment within a certain angle without restriction, so that the flower can be adapted With various usage requirements, it can really increase its added value.

20‧‧‧First shear handle

21‧‧‧ first handle

211‧‧‧First stop slot

22‧‧‧ first blade

221‧‧‧Arc blade

222‧‧‧blunt edges

223‧‧‧ positioning convex

224‧‧‧ first port

30‧‧‧Second handle

31‧‧‧second handle

32‧‧‧second blade

321‧‧‧second port

322‧‧‧ device mouth

33‧‧‧ front

331‧‧‧ device mouth

332‧‧‧Second pivot hole

333‧‧‧ pivot

334‧‧‧ pivot slot

34‧‧‧Back

341‧‧ long slot

35‧‧‧ side

351‧‧‧Second stop slot

352‧‧‧Chute

36‧‧‧ wearing a mouth

40‧‧‧ Angle Limits

41‧‧‧Drive Department

411‧‧‧With moving teeth

412‧‧‧Indicating convex

42‧‧‧Guiding block

43‧‧‧Limited block

431‧‧‧Limited end

50‧‧‧Adjustment

51‧‧‧Spiral Operation Department

511‧‧‧Spiral groove

52‧‧‧ pivot

60‧‧‧ Cover

61‧‧‧ pivot hole

62‧‧‧ indicating hole

63‧‧‧Operation hole

631‧‧‧ Limit recess

64‧‧‧Indication mark

70‧‧‧ Spring

80‧‧‧Lock unit

81‧‧‧Locking parts

811‧‧‧Card hook

812‧‧‧Definition

813‧‧‧ card slot

82‧‧‧Drives

821‧‧‧Clamping bumps

90‧‧‧ pivot assembly

91‧‧‧First pivoting piece

911‧‧ plane

92‧‧‧Second pivoting piece

Claims (12)

A garden shear capable of arbitrarily adjusting a cutting edge angle, comprising a first shearing handle and a second shearing handle pivotally coupled by a pivoting assembly, and selectively locking the first shearing handle with a locking unit And the second handle: the first handle has a first limit slot and a positioning protrusion; the second handle is pivoted relative to the first limit slot, and the second handle has a through hole The positioning protrusion of the first cutting handle extends toward the opening; an angle limiting member is slidably disposed on the second cutting handle, the angle limiting member has a plurality of driving teeth and a limit that passes through the opening The end portion of the limiting end portion defines a maximum opening angle of the first shearing handle with respect to the positioning convex portion of the first shearing handle, and the adjusting member is pivotally disposed with an adjusting member The spiral operating portion of the slot engages with the driven tooth of the angle limiting member, and pivoting the helical operating portion causes the helical groove to drive the angular limit member to change to change the maximum opening angle of the first shearing handle. The garden shear of the arbitrarily adjustable cutting edge angle according to the first aspect of the invention, wherein the first shearing handle is formed by a fixed combination of a first shank and a first cutting edge, the first shank having The first limiting groove; the first cutting edge is substantially half-moon shaped and has a curved blade portion and a straight blunt edge, and the positioning convex portion is formed at one end of the blunt edge of the first cutting edge. The garden shear of the arbitrarily adjustable cutting edge angle according to the first aspect of the invention, wherein the second shearing handle is formed by a second shank and a second cutting edge fixedly coupled, the second shank having a relative a front surface, a back surface, and two sides connected to the front surface and the back end, and the other end of the front surface and the back surface have the opening, the second blade has a device opening, and the second blade is fixedly disposed on the second blade a front face of the second handle is located between the front face and the back face, and the front face mask There is a through device opening, the second cutting edge is opposite to the device opening of the second handle, and the adjusting member is pivotally disposed on the device opening of the second handle. The garden shear according to claim 3, wherein the back surface of the second handle has a long groove, and the angle limit member is formed by a guide portion. And a block structure of the limiting block, the driving part is formed on the driving part, and the guiding piece is formed on the other side, the limiting piece is formed on the limiting piece, and the angle limiting piece passes through the second handle a device opening of the second cutting edge, and the guiding block of the angle limiting member is slidably disposed on the long groove of the back surface, and the limiting block of the angle limiting member is located between the second cutting edge and the back surface . The garden shear of the arbitrarily adjustable cutting edge angle according to claim 3, wherein the adjusting member is formed by forming a pivot shaft at each end of the screw operating portion, and the device mouth of the second handle portion is formed. The inner side is provided with two opposite pivoting seats, each of which has a pivoting groove, and the pivots at both ends of the adjusting member are pivotally received in the pivoting slots of the two pivoting seats. The garden shear of the arbitrarily adjustable cutting edge angle according to the first aspect of the invention, wherein the first shearing handle is formed by a fixed combination of a first shank and a first cutting edge, and the second shearing handle is composed of The second shank and the second shank are fixedly coupled, and the first shank of the first shank and the second shank of the second shank are respectively connected to two ends of a spring. The garden shear of the arbitrarily adjustable cutting edge angle according to claim 3, wherein one of the sides of the second handle of the second handle has a second restricting groove, the second restricting groove a locking member of the locking unit is slidably received therein, and the two ends of the locking member are respectively a locking hook portion and a certain stopping portion, and the locking hook portion of the locking member extends toward the opening, and the fixing portion The stop portion is normally held against the side of the second handle portion, and when the hook portion protrudes from the through opening, the positioning convex portion of the first handle can be locked into a locked state. The horticultural shear of the arbitrarily adjustable cutting edge angle according to the seventh aspect of the invention, wherein the locking member has a clamping groove and can be used with a driving member, the driving member has a clamping protrusion. The driving member is slidably sleeved on a sliding groove of the second handle portion, and the engaging protrusion of the driving member is engaged in the locking groove of the locking member and can drive the locking member to slide. The gardening shear of the arbitrarily adjustable cutting edge angle according to the fifth aspect of the invention, wherein the second handle portion is further covered with an outer cover, the outer cover has an operation hole, and the inner circumference of the operation hole Forming two limiting recesses, the two limiting recesses of the outer cover correspondingly covering the two pivots of the adjusting member, and the spiral operating portion of the adjusting member is exposed by the operating hole. The gardening shear of the arbitrarily adjustable cutting edge angle according to the ninth aspect of the invention, wherein the outer cover further has an indicating hole, and one side of the driving portion protrudes to form an indicating convex portion, the angle limiting member The indicating convex portion is pierced by the indicating hole, and the outer cover is further disposed with an indicating mark adjacent to the indicating hole for indicating the edge angle. The garden shear of the arbitrarily adjustable cutting edge angle according to claim 9, wherein the first shearing handle is formed by a fixed combination of a first shank and a first cutting edge, and the second shearing handle is composed of The second shank and the second blade are fixedly coupled, the first blade has a first opening, the second shank has a second pivoting hole, and the second blade has a second opening. And the outer cover has a pivoting hole, and the first opening, the second opening, the second pivoting hole and the pivoting hole are opposite and pivoted by the pivoting component. The garden shear of the arbitrarily adjustable cutting edge angle according to claim 11, wherein the first opening of the first cutting edge is a non-circular hole, and the pivoting component comprises a first pivoting piece and a second pivoting member, the first pivoting member passes through the first through opening in a plane and penetrates through the second opening of the second shearing handle, the second pivoting hole, and finally the pivoting of the outer cover Holes are worn out, and The second pivoting member is locked to an end of the first pivoting member that passes through the outer cover.