CN213029215U

CN213029215U - Scissors with movable fulcrum

Info

Publication number: CN213029215U
Application number: CN202021494135.5U
Authority: CN
Inventors: 周顺文; 曾海愿; 李�荣; 冷依伊; 周贝竹
Original assignee: Puer University
Current assignee: Puer University
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-04-23
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a scissors with movable fulcrum, which comprises a first scissor piece, a second scissor piece and two handles, wherein the first scissor piece and the second scissor piece are mutually overlapped and form a rotating fit through a limiting device, one side of the first scissor piece is provided with a plurality of first annular limiting grooves, one side of the second scissor piece is provided with a plurality of second annular limiting grooves, the first scissor piece is provided with a first through groove along the length direction, the second scissor piece is provided with a second through groove along the length direction, and the first through groove and the second through groove respectively cut each second annular limiting groove and each second annular limiting groove into two parts with the same shape and size; the limiting device comprises a sliding rod, a first sliding sleeve, a second sliding sleeve, a first return spring, a second return spring, a first limiting ring and a second limiting ring; the utility model discloses slide stop device to the different positions of first shear blade and second shear blade, fix again, change the fulcrum according to user's demand, conveniently prune trees.

Description

Scissors with movable fulcrum

Technical Field

The utility model relates to a gardens process equipment technical field, in particular to scissors that fulcrum can remove.

Background

In order to increase the ornamental property of garden plants, trees planted in gardens need to be regularly trimmed, at present, manual scissors are mostly adopted for trimming branches of gardens, when the appearance of trees needs to be trimmed neatly, scissors with longer cutting edges are generally used, otherwise, time and labor are wasted, and the trimming effect is poor; when needing to prune the thicker branch of trees, generally can use the scissors that the handle of a knife is long and the cutting edge is short, otherwise hardly cut the branch off, however, the fulcrum of the scissors that generally uses all is fixed, can not change the fulcrum of scissors according to the demand, can only change the scissors repeatedly, brings inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scissors that the fulcrum can remove slides the different positions of first shear blade and second shear blade with stop device, fixes again, changes the fulcrum according to user's demand, and the convenience is pruned trees.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pair of scissors with movable pivot comprises a first scissor blade, a second scissor blade and two handles, wherein the two handles are respectively connected with the first scissor blade and the second scissor blade, the first shear blade and the second shear blade are mutually overlapped and form rotating fit through a limiting device, a plurality of first annular limiting grooves are arranged on one side of the first shear blade far away from the second shear blade at equal intervals along the length direction, a plurality of second annular limiting grooves are arranged on one side of the second shear blade far away from the first shear blade at equal intervals along the length direction, the first scissors blade is provided with a first through groove along the length direction, each first annular limiting groove is cut into two parts with the same shape and size by the first through groove, a second through groove is formed in the second scissor piece along the length direction, and each second annular limiting groove is cut into two parts with the same shape and size through the second through groove;

the limiting device comprises a sliding rod, a first sliding sleeve, a second sliding sleeve, a first reset spring, a second reset spring, a first limiting ring and a second limiting ring, wherein the first sliding sleeve, the second sliding sleeve, the first limiting ring and the second limiting ring are cylinders which are hollow inside and open at one end, the sliding rod penetrates through the first through groove and the second through groove, the sliding rod is in sliding fit with the first through groove and the second through groove, the sliding rod is respectively in rotating fit with the first through groove and the second through groove, one end of the sliding rod, which is close to the first shear blade, is connected to the bottom of an inner cavity of the first sliding sleeve, the first reset spring is arranged in the first sliding sleeve and sleeved outside the sliding rod, one end of the first limiting ring, which is far away from the open end, is in sliding fit with the sliding rod, the circumferential side of the first limiting ring is in sliding fit with the inner wall of the first sliding sleeve, one end of the first reset spring is connected to the bottom of the inner cavity of the, the other end of the first reset spring is connected to one end, far away from the opening end, of the first limiting ring, the opening end of the first limiting ring is clamped in the first annular limiting groove in a normal state of the first reset spring, and the first limiting ring is in running fit with the first annular limiting groove; one end, close to the second shear blade, of the sliding rod is connected to the bottom of an inner cavity of the second sliding sleeve, the second reset spring is arranged in the second sliding sleeve and sleeved outside the sliding rod, one end, far away from the opening end, of the second limiting ring is in sliding fit with the sliding rod, the circumferential side of the second limiting ring is in sliding fit with the inner wall of the second sliding sleeve, one end of the second reset spring is connected to the bottom of the inner cavity of the second sliding sleeve, the other end of the second reset spring is connected to one end, far away from the opening end, of the second limiting ring, the opening end of the second limiting ring is clamped in the second annular limiting groove in a normal state, and the second limiting ring is in rotating fit with the second annular limiting groove; when the first sliding sleeve is pressed, the second limiting ring can be separated from the second annular limiting groove, and when the second sliding sleeve is pressed, the first limiting ring can be separated from the first annular limiting groove.

The utility model discloses a further set up to: the handle is provided with a flexible sleeve, and anti-skid stripes are arranged on the periphery of the flexible sleeve.

To sum up, the utility model discloses following beneficial effect has:

when the fulcrum of the utility model is changed, the first sliding sleeve is pressed, the second limit ring is drawn out from the second annular limit groove, the second shear blade is moved, the second limit ring is aligned to the other second annular limit groove, the first sliding sleeve is loosened, and the second limit ring blocks the other second annular limit groove; and then the second sliding sleeve is pressed, the first limiting ring is drawn out from the first annular limiting groove, the first shear blade is moved, the first limiting ring is aligned to the other first annular limiting groove, the second sliding sleeve is loosened, the first limiting ring clamps the other first annular limiting groove, and thus the fulcrum can be changed according to the requirement of a user, and the use is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a second scissor blade and a handle of the present invention;

fig. 3 is a partial sectional view of the middle stopper device of the present invention.

In the figure: 1. a first scissor blade; 11. a first annular limiting groove; 12. a first through groove; 2. a second scissor blade; 21. a second annular limiting groove; 22. a second through groove; 3. a handle; 4. a slide bar; 41. a first sliding sleeve; 42. a second sliding sleeve; 43. a first return spring; 44. a second return spring; 45. a first limit ring; 46. a second stop collar; 5. a flexible sleeve; 51. and (4) anti-skid stripes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the embodiment, the scissors whose fulcrum can be moved, as shown in fig. 1 to fig. 3, includes a first scissor piece 1, a second scissor piece 2 and two handles 3, the two handles 3 are respectively connected to the first scissor piece 1 and the second scissor piece 2, the first scissor piece 1 and the second scissor piece 2 are mutually overlapped and form a rotation fit through a limiting device, one side of the first scissor piece 1, which is far away from the second scissor piece 2, is provided with a plurality of first annular limiting grooves 11 at equal intervals along the length direction, one side of the second scissor piece 2, which is far away from the first scissor piece 1, is provided with a plurality of second annular limiting grooves 21 at equal intervals along the length direction, specifically, the first annular limiting grooves 11 and the second annular limiting grooves are equal in number and correspond in position, which of course does not affect the protection range of the present invention; the first shear blade 1 is provided with a first through groove 12 along the length direction, the first through groove 12 cuts each first annular limiting groove 11 into two parts with the same shape and size, the second shear blade 2 is provided with a second through groove 22 along the length direction, and the second through groove 22 cuts each second annular limiting groove 21 into two parts with the same shape and size.

The limiting device comprises a sliding rod 4, a first sliding sleeve 41, a second sliding sleeve 42, a first reset spring 43, a second reset spring 44, a first limiting ring 45 and a second limiting ring 46, wherein the first sliding sleeve 41, the second sliding sleeve 42, the first limiting ring 45 and the second limiting ring 46 are cylinders which are hollow inside and have one open end, the sliding rod 4 penetrates through the first through groove 12 and the second through groove 22, the sliding rod 4 is in sliding fit with the first through groove 12 and the second through groove 22, of course, the sliding rod 4 is in rotating fit with the first through groove 12 and the second through groove 22 respectively, one end, close to the first shear blade 1, of the sliding rod 4 is connected to the bottom of an inner cavity of the first sliding sleeve 41, the first reset spring 43 is arranged in the first sliding sleeve 41 and sleeved outside the sliding rod 4, one end, far from the open end, of the first limiting ring 45 is in sliding fit with the sliding rod 4, and particularly, the first limiting ring 45 cannot rotate on the sliding; the circumference of the first limit ring 45 is in sliding fit with the inner wall of the first sliding sleeve 41, one end of the first return spring 43 is connected to the bottom of the inner cavity of the first sliding sleeve 41, the other end of the first return spring 43 is connected to the end of the first limit ring 45 away from the open end, the open end of the first limit ring 45 is clamped in the first annular limit groove 11 under the normal state of the first return spring 43, and the first limit ring 45 is in rotating fit with the first annular limit groove 11; one end of the sliding rod 4 close to the second shear blade 2 is connected to the bottom of the inner cavity of the second sliding sleeve 42, the second return spring 44 is arranged in the second sliding sleeve 42 and sleeved outside the sliding rod 4, one end of the second limiting ring 46 far away from the opening end is in sliding fit with the sliding rod 4, and particularly, the second limiting ring 46 cannot rotate on the sliding rod 4; the circumferential side of the second limit ring 46 is in sliding fit with the inner wall of the second sliding sleeve 42, one end of the second return spring 44 is connected to the bottom of the inner cavity of the second sliding sleeve 42, the other end of the second return spring 44 is connected to the end of the second limit ring 46 away from the open end, the open end of the second limit ring 46 is clamped in the second annular limit groove 21 under the normal state of the second return spring 44, and the second limit ring 46 is in rotating fit with the second annular limit groove 21; when the first sliding sleeve 41 is pressed, the second limit ring 46 can be disengaged from the second annular limit groove 21, and when the second sliding sleeve 42 is pressed, the first limit ring 45 can be disengaged from the first annular limit groove 11.

Preferably, the handle 3 is provided with a flexible sleeve 5, and the periphery of the flexible sleeve 5 is provided with an anti-slip stripe 51. Specifically, the flexible sleeve 5 may improve the comfort of the user, and the anti-slip strips 51 may facilitate the application of force by the user.

The using method comprises the following steps: when the fulcrum of the utility model is adjusted, the first sliding sleeve 41 needs to be pressed first, the first return spring 43 is compressed, the sliding rod 4 slides towards the second shear blade 2, so that the second sliding sleeve 42 moves towards the direction far away from the second shear blade 2, the open end of the second limit ring 46 is pulled out from the second annular limit groove 21 through the second return spring 44, finally, the second shear blade 2 is moved, the second limit ring 46 is aligned to the other second annular limit groove 21, the first sliding sleeve 41 is loosened, and the second limit ring 46 blocks the other second annular limit groove 21; then the second sliding sleeve 42 is pressed, the second return spring 44 is compressed, the sliding rod 4 slides towards the first shear blade 1, so that the first sliding sleeve 41 moves towards the direction far away from the first shear blade 1, the open end of the first limit ring 45 is pulled out from the first annular limit groove 11 through the first return spring 43, finally the first shear blade 1 is moved, the first limit ring 45 is aligned to the other first annular limit groove 11, the second sliding sleeve 42 is loosened, the first limit ring 45 clamps the other first annular limit groove 11, and therefore the position of the fulcrum can be changed according to the requirements of a user, and the use is convenient.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. Scissors with movable fulcrum, comprising a first scissor blade (1), a second scissor blade (2) and two handles (3), characterized in that: the two handles (3) are respectively connected with the first shear blade (1) and the second shear blade (2), the first shear blade (1) and the second shear blade (2) are mutually overlapped and form a running fit through a limiting device, a plurality of first annular limiting grooves (11) are formed in one side, far away from the second shear blade (2), of the first shear blade (1) at equal intervals along the length direction, a plurality of second annular limiting grooves (21) are formed in one side, far away from the first shear blade (1), of the second shear blade (2) at equal intervals along the length direction, first through grooves (12) are formed in the first shear blade (1) along the length direction, each first annular limiting groove (11) is cut into two parts with the same shape and size through the first through grooves (12), and second through grooves (22) are formed in the second shear blade (2) along the length direction, each second annular limiting groove (21) is cut into two parts with the same shape and size by the second through groove (22);

the limiting device comprises a sliding rod (4), a first sliding sleeve (41), a second sliding sleeve (42), a first reset spring (43), a second reset spring (44), a first limiting ring (45) and a second limiting ring (46), wherein the first sliding sleeve (41), the second sliding sleeve (42), the first limiting ring (45) and the second limiting ring (46) are cylinders which are hollow inside and have one open end, the sliding rod (4) penetrates through the first through groove (12) and the second through groove (22), the sliding rod (4) is in sliding fit with the first through groove (12) and the second through groove (22), the sliding rod (4) is in rotating fit with the first through groove (12) and the second through groove (22), one end, close to the first shear blade (1), of the sliding rod (4) is connected to the bottom of an inner cavity of the first sliding sleeve (41), the first reset spring (43) is arranged in the first sliding sleeve (41) and is sleeved outside the sliding rod (4), one end, far away from the opening end, of the first limiting ring (45) is in sliding fit with the sliding rod (4), the circumferential side of the first limiting ring (45) is in sliding fit with the inner wall of the first sliding sleeve (41), one end of the first reset spring (43) is connected to the bottom of the inner cavity of the first sliding sleeve (41), the other end of the first reset spring (43) is connected to one end, far away from the opening end, of the first limiting ring (45), the opening end of the first limiting ring (45) is clamped in the first annular limiting groove (11) under the normal state of the first reset spring (43), and the first limiting ring (45) is in rotating fit with the first annular limiting groove (11); one end of the sliding rod (4) close to the second shear blade (2) is connected to the bottom of the inner cavity of the second sliding sleeve (42), the second return spring (44) is arranged in the second sliding sleeve (42) and sleeved outside the sliding rod (4), one end of the second limiting ring (46) far away from the opening end is in sliding fit with the sliding rod (4), the circumferential side of the second limit ring (46) is in sliding fit with the inner wall of the second sliding sleeve (42), one end of the second return spring (44) is connected to the bottom of the inner cavity of the second sliding sleeve (42), the other end of the second return spring (44) is connected with one end of the second limiting ring (46) far away from the opening end, the opening end of the second limiting ring (46) is clamped in the second annular limiting groove (21) under the normal state of the second return spring (44), the second limit ring (46) is in running fit with the second annular limit groove (21); when the first sliding sleeve (41) is pressed, the second limit ring (46) can be separated from the second annular limit groove (21), and when the second sliding sleeve (42) is pressed, the first limit ring (45) can be separated from the first annular limit groove (11).

2. The scissors with movable fulcrum according to claim 1, wherein: the handle (3) is provided with a flexible sleeve (5), and anti-skid stripes (51) are arranged on the peripheral side of the flexible sleeve (5).