CN217564221U - Prevent gardens of tong and cut - Google Patents

Abstract

The utility model discloses a prevent gardens of tong and cut, including the hilt, the inside below of hilt is provided with the extension device, the hand wheel rotates with the hilt through the pivot to be connected, the one end rigid coupling of hand wheel has first bevel gear, first bevel gear's edge is connected with second bevel gear meshing, second bevel gear rotates with the hilt through the pivot to be connected, second bevel gear's one end rigid coupling has the trough of belt rotary drum, the outer wall of trough of belt rotary drum passes through the spout and extends sliding connection. This prevent gardens of tong and cut, through first bevel gear, second bevel gear, trough of belt rotary drum and extend the cooperation between the handle, the user rotates the hand wheel of both sides simultaneously, the hand wheel drives first bevel gear and rotates, first bevel gear drives second bevel gear and rotates, second bevel gear drives the trough of belt rotary drum and rotates, the trough of belt rotary drum makes to extend the downstream, stopping rotating the hand wheel after reacing suitable position, solved the gardens and cut the extension that can't carry out the handle of a knife, problem that application scope is low.

Description

Prevent gardens of tong and cut

Technical Field

The utility model relates to a prevent gardens of tong and cut technical field, specifically be a prevent gardens of tong and cut.

Background

Gardens, refer to the natural environment and the area of rest of a particular culture. At certain region application engineering and art means, through reforming transform the topography, plant trees flowers and plants, build the building and arrange approach creation such as garden way beautiful natural environment and recreation country, can use the gardens to cut when modifying gardens, however current gardens are cut and can't be carried out the extension of sword handle, application scope is low, need draw in the cutting edge after the use is cut and is used, because the too big draw in of tension that the gardens were cut, can't accomplish alone and draw in and the easy tong's of gardens when using problem is cut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent gardens of tong and cut to solve the extension that can't carry out the handle of a knife that proposes in the above-mentioned background art, application scope hangs down the problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: a pair of anti-pinch garden shears comprises a cutter handle, wherein an extension device is arranged below the inside of the cutter handle;

the extension device comprises a hand wheel, a first bevel gear, a second bevel gear, a grooved rotary drum and an extension handle;

the hand wheel rotates with the hilt through the pivot to be connected, the one end rigid coupling of hand wheel has first bevel gear, first bevel gear's edge is connected with the meshing of second bevel gear, second bevel gear rotates with the hilt through the pivot to be connected, second bevel gear's one end rigid coupling has the trough of belt rotary drum, the outer wall of trough of belt rotary drum passes through the spout and extends sliding connection.

Preferably, one end of the left-side tool holder is fixedly connected with the lower blade, one end of the right-side tool holder is fixedly connected with the upper blade, and the upper blade is rotatably connected with the lower blade through a rotating shaft.

Preferably, the outer wall of the upper blade is rotatably connected with a first spring through a pin shaft, and one end of the first spring is rotatably connected with the lower blade through a pin shaft.

Preferably, a clamping device is arranged above the inside of the knife handle;

the clamping device comprises a pull rod, a metal block, a clamping pin and a second spring;

the outer wall of the pull rod is connected with the knife handle in a sliding mode through the sliding groove, a metal block is fixedly connected to one end of the pull rod, a clamping pin is fixedly connected to one end of the metal block, the outer wall of the clamping pin is connected with the knife handle in a sliding mode through the sliding groove, and two ends of the second spring are fixedly connected with the metal block and the knife handle respectively.

Preferably, the outer wall of the extension handle is provided with an auxiliary device;

the auxiliary device comprises a handle and an anti-skid rubber sleeve;

one end of the handle is fixedly connected with the extension handle, and the extension handle is provided with an anti-skid rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: according to the anti-pinch garden shears, through the matching among the hand wheels, the first bevel gear, the second bevel gear, the grooved rotary drum and the extension handle, a user rotates the hand wheels on two sides simultaneously, the hand wheels drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the grooved rotary drum to rotate, the grooved rotary drum enables the extension handle to move downwards, and the hand wheels stop rotating after the hand wheels reach a proper position, so that the problems that the garden shears cannot extend the handles and the application range is low are solved;

through the matching of the pull rod, the metal block, the clamping pins and the second spring, only the cutter handle needs to be folded, the cutter handle drives the clamping pins on two sides to move towards the middle, after the two clamping pins touch, the clamping pin on the left side drives the metal block to move upwards and stretch the second spring, meanwhile, the clamping pin on the right side drives the metal block to move downwards and stretch the second spring, after the folding is completed, the two clamping pins can also be staggered and return to the original positions under the elasticity of the second spring, the two clamping pins are clamped with each other, the folding of the garden shears is realized, and the problem that the folding can not be completed by one person due to the overlarge tension of the garden shears is solved;

through the handle, go up the blade, the bottom knife, the cooperation between handle and the anti-skidding gum cover, the user grips the handle, pulls open to both sides, and the handle drives to drive the handle through the extension of both sides and opens, and left handle drives the bottom knife clockwise rotation, and the handle on right side drives blade anticlockwise rotation, later aims at the plant and shears for the user can not be in one's hands being cut by the gardens and press from both sides, has solved the easy problem of tong when using of gardens scissors.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the handle, the upper blade and the lower blade of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the hand wheel, the first bevel gear and the second bevel gear in FIG. 2;

fig. 4 is a schematic view of the connection structure of the metal block, the bayonet and the second spring in fig. 2.

In the figure: 1. the cutting tool comprises a tool handle, 2, a first spring, 3, an extending device, 301, a hand wheel, 302, a first bevel gear, 303, a second bevel gear, 304, a grooved drum, 305, an extending handle, 4, a clamping device, 401, a pull rod, 402, a metal block, 403, a clamping pin, 404, a second spring, 5, an auxiliary device, 501, a handle, 502, an anti-skid rubber sleeve, 6, an upper blade, 7 and a lower blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pair of anti-pinch garden shears comprises a cutter handle 1, an extension device 3 is arranged below the inner portion of the cutter handle 1, the extension device 3 comprises a hand wheel 301, a first bevel gear 302, a second bevel gear 303, a groove rotary drum 304 and an extension handle 305, the structures of the extension devices 3 on the left side and the right side are completely the same, the hand wheel 301 is rotatably connected with the cutter handle 1 through a rotary shaft, the hand wheel 301 is rotatably supported through the rotary shaft by the cutter handle 1, the first bevel gear 302 is fixedly connected to one end of the hand wheel 301, the hand wheel 301 drives the first bevel gear 302 to rotate, the edge of the first bevel gear 302 is meshed with the second bevel gear 303, the first bevel gear 302 drives the second bevel gear 303 to rotate, the second bevel gear 303 is rotatably connected with the cutter handle 1 through the rotary shaft, the cutter handle 1 rotatably supports the second bevel gear 303 through the rotary shaft, one end of the second bevel gear 303 is fixedly connected with a grooved rotating drum 304, the second bevel gear 303 drives the grooved rotating drum 304 to rotate, the outer wall of the grooved rotating drum 304 is in sliding connection with the extension handle 305 through a sliding groove, the grooved rotating drum 304 enables the extension handle 305 to move up and down, one end of the left-side handle 1 is fixedly connected with the lower blade 7, the left-side handle 1 drives the lower blade 7 to rotate, one end of the right-side handle 1 is fixedly connected with the upper blade 6, the right-side handle 1 drives the upper blade 6 to rotate, the upper blade 6 is rotatably connected with the lower blade 7 through a rotating shaft, the outer wall of the upper blade 6 is rotatably connected with the first spring 2 through a pin shaft, the elastic coefficient of the first spring 2 is 10-15N/cm, one end of the first spring 2 is rotatably connected with the lower blade 7 through a pin shaft, and the first spring 2 can enable the lower blade 7 and the upper blade 6 to be separated in a labor-saving mode.

The clamping device 4 is arranged above the interior of the hilt 1, the clamping device 4 comprises a pull rod 401, a metal block 402, a clamping pin 403 and a second spring 404, the structures of the clamping devices 4 on the left side and the right side are completely the same, the outer wall of the pull rod 401 is connected with the hilt 1 in a sliding mode through a sliding groove, the hilt 1 limits the moving direction of the pull rod 401 through the sliding groove, one end of the pull rod 401 is fixedly connected with the metal block 402, the pull rod 401 drives the metal block 402 to move, one end of the metal block 402 is fixedly connected with the clamping pin 403, the metal block 402 drives the clamping pin 403 to move, the outer wall of the clamping pin 403 is connected with the hilt 1 in a sliding mode through the sliding groove, the hilt 1 limits the moving direction of the clamping pin 403 through the sliding groove, two ends of the second spring 404 are fixedly connected with the metal block 402 and the hilt 1 respectively, and the elastic coefficient of the second spring 404 is 5-10N/cm.

The outer wall that extends handle 305 is provided with auxiliary device 5, and auxiliary device 5 includes handle 501 and anti-skidding gum cover 502, and the auxiliary device 5 structure of the left and right sides is the same completely, and handle 501's one end with extend handle 305 looks rigid coupling, handle 501 drives and extends handle 305 and remove, extend and install anti-skidding gum cover 502 on the handle 305, anti-skidding gum cover 502 can prevent that the user hand is smooth.

When the garden shears preventing hands from being clamped are used, firstly, a user rotates hand wheels 301 on two sides simultaneously, the hand wheels 301 drive a first bevel gear 302 to rotate, the first bevel gear 302 drives a second bevel gear 303 to rotate, the second bevel gear 303 drives a grooved drum 304 to rotate, the grooved drum 304 enables an extension handle 305 to move downwards, the hand wheels 301 are stopped to rotate after the proper position is reached, then, the user grips handles 501 tightly and pulls the handles towards two sides, the handles 501 drive the extension handles 305 on two sides to drive a knife handle 1 to open, the left knife handle 1 drives a lower blade 7 to rotate clockwise, the right knife handle 1 drives an upper blade 6 to rotate anticlockwise, then, plants are aligned to be sheared, after the use is completed, only the knife handle 1 needs to be folded, the knife handle 1 drives clamping pins 403 on two sides to move towards the middle, after the two clamping pins 403 touch, the left clamping pin 403 drives a metal block 402 to move upwards and stretch a second spring 404, meanwhile, the right clamping pin 403 drives the metal block 402 to move downwards and stretch the second spring 404, after the folding is completed, the two clamping pins 403 can be staggered, and the clamping pins can return to the original positions under the elasticity of the second spring 404, and the clamping pins can be used for the garden shears.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a prevent gardens of tong is cut, includes handle of a knife (1), its characterized in that: an extension device (3) is arranged below the inner part of the knife handle (1);

the extension device (3) comprises a hand wheel (301), a first bevel gear (302), a second bevel gear (303), a grooved drum (304) and an extension handle (305);

hand wheel (301) are rotated with handle of a knife (1) through the pivot and are connected, the one end rigid coupling of hand wheel (301) has first bevel gear (302), the edge and the second bevel gear (303) meshing of first bevel gear (302) are connected, second bevel gear (303) rotate with handle of a knife (1) through the pivot and are connected, the one end rigid coupling of second bevel gear (303) has trough of belt rotary drum (304), the outer wall of trough of belt rotary drum (304) passes through the spout and extends handle (305) sliding connection.

2. The pair of anti-pinch garden shears according to claim 1, characterized in that: one end of the hilt (1) on the left side is fixedly connected with the lower blade (7), one end of the hilt (1) on the right side is fixedly connected with the upper blade (6), and the upper blade (6) is rotatably connected with the lower blade (7) through a rotating shaft.

3. The pair of anti-pinch garden shears according to claim 2, characterized in that: the outer wall of the upper blade (6) is rotatably connected with the first spring (2) through a pin shaft, and one end of the first spring (2) is rotatably connected with the lower blade (7) through a pin shaft.

4. The pair of anti-pinch garden shears according to claim 1, characterized in that: a clamping device (4) is arranged above the inner part of the hilt (1);

the clamping device (4) comprises a pull rod (401), a metal block (402), a clamping pin (403) and a second spring (404);

the outer wall of pull rod (401) passes through spout and handle of a knife (1) sliding connection, the one end rigid coupling of pull rod (401) has metal block (402), the one end rigid coupling of metal block (402) has bayonet lock (403), the outer wall of bayonet lock (403) passes through spout and handle of a knife (1) sliding connection, the both ends of second spring (404) respectively with metal block (402) and handle of a knife (1) looks rigid coupling.

5. The pair of anti-pinch garden shears according to claim 1, characterized in that: the outer wall of the extension handle (305) is provided with an auxiliary device (5);

the auxiliary device (5) comprises a handle (501) and an anti-skid rubber sleeve (502);

one end of the handle (501) is fixedly connected with an extension handle (305), and an anti-skid rubber sleeve (502) is arranged on the extension handle (305).

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