CN1895860A

CN1895860A - Two-edged power-saving scissors

Info

Publication number: CN1895860A
Application number: CN 200510069844
Authority: CN
Inventors: 陆邕逢
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-11
Filing date: 2005-07-11
Publication date: 2007-01-17

Abstract

A pair of shears able to save labor by pressing its both handles is composed of two handles with through hole, two shears with arc force arm bending inward and angle head curved outward, a slide lever at the internal ends of handles, linking screw bolt, and a spring between two angle heads.

Description

Two-edged power-saving scissors

Technical field

The present invention relates to a kind of hand-operated tools, especially scissors.

Background technology

Scissors is just arranged long long ago, and scissors is comparatively general instrument, and planform is varied, uses very extensive.Scissors generally all comprises handle and scissors, is provided with rotational structure between handle and scissors, controls the scissor cut object by operating grip.But reach the labor-saving effect seldom, general scissors all is " * " shape structure, and resistance is very big during manual operation, particularly shears harder fabric, paper, leather or iron plate etc., and is very painstaking, is a difficult problem.And in today of science develop rapidly, various power dress system has, but complex structure, cost height are unfavorable for popularization and application, serve the people.

Summary of the invention

The invention provides a kind of laborsaving cutting, promptly " two-edged power-saving scissors " is simple in structure, and cost is low.It comprises handle and scissors, it is characterized in that:

Be provided with the lever that connects open-work and slidably work in the inner end of handle, do not have two to connect open-work and the aduncate arc arm of force and bandy elbow in the inner end on the every limit of scissors; Connect by the bolt activity again, make scissors opening and closing neatly.Side contacts in two levers and the two arc arm of forces.

Between two bandy elbows, be provided with spring.

The scissors of this structure respectively with the open-work of the open-work of scissors inner end and bolt and handle inner end and bolt thereof as fulcrum, the arc arm of force is as power arm, scissors partly is a resistance arm; The length of handle is power arm, and sliding lever is a resistance arm, and the output of the power of sliding lever acts on the arc arm of force.Being provided with the lever slide construction, and forming bilateral pressure, strengthened the shearing force of scissors greatly, is a labour-saving effect, helps applying, and contributes to the people.

Fig. 1 is open configuration figure of the present invention (structural representation)

Fig. 2 is closure state figure of the present invention (structural representation)

The specific embodiment

Below in conjunction with accompanying drawing, the invention will be further described.

Handle 9 has circle to hold 8 to end 7 (as Fig. 2) with positioning closing, and

scissors

2 or 14 all has blade 15 (also to can be made into the scissors of usual usefulness, blades such as " W " shape are arranged) and point cut 1 (also can be made into straight snips etc.), and

scissors

2 or 14 is duplicate, just direction is opposite, intersect and be made into scissors, be provided with in the inner end of handle 9 and connect open-

work

10 or 4 and the lever 12 of slidably working, be provided with two in the inner end on

scissors

2 or 14 every limits and connect open-

works

13,10 or 13,4 and the aduncate arc arm of force 3 and bandy elbow 11.Two levers 12 and the 3 respective inside sliding-contacts of the two arc arm of forces.Be provided with between two bandy elbows 11 and hang spring coil 5, the two ends of spring 6 are articulated on the spring coil 5 respectively.It is provided with and is beneficial to opening of scissors 2 or 14.Link up 13,10,4 by bolt, bolt also can adopt rivet or other pin to replace certainly, and is the same with general scissors, need not to analyse and observe many Zhou Suozhi.And the connection of bolt is movable the connection, and as the fulcrum of turning cylinder and lever, makes scissors opening and closing neatly.Certainly it also is conditional opening, and opens when arriving at utmost, and sliding lever 12 can touch limit (promptly farthest opening) and can't open (as Fig. 1) again with the arc arm of force 3.Certainly, two sliding levers (12) and the also available profile of tooth of the interior side contacts of the two arc arm of forces (3) are (promptly

With

Coincide mutually) replace, can avoid skimming wear like this.My another patent " double lever labor-saving plier 200420017535.1 " should also available profile of tooth (promptly

With Coincide mutually) replace, should announce.Same this patent also can be made into the common pliers that general people use, and " * " clamp of clamping, cramping and shearing is promptly arranged.

Operation principle of the present invention and using method are:

The scissors of this structure respectively with the open-work of the open-work of scissors inner end and bolt and handle inner end and bolt thereof as fulcrum.Two sliding levers are fulcrum with 10,4, and handle 9 is the power arm of input power, and the lever 12 of slidably working is resistance arm; And be that the two aduncate arc arm of forces 3 of fulcrum are power arm with bolt 13,

scissors

2 or 14 is a resistance arm, puts on the arc arm of force 3 again as the power output of the sliding lever 12 of resistance arm.The

bolt

13,10 or 13,4 of every side, sliding lever 12, the arc arm of force 3 and

scissors

2 or 14 are all formed the structure that links up, and are bilateral pressures, are labour-saving structures.Be that an active force that puts on handle 9 slides through lever from another point of view, two pressure effects obtain a shearing force greater than the active force manyfold on

scissors

2 or 14, and using method is the same with present scissors, and is simple to operate.

Claims

1, a kind of two-edged power-saving scissors, it comprises handle (9) and scissors (2 or 14), it is characterized in that:

Be provided with in the inner end of handle (9) and connect open-work (10 or 4) and lever (12) slidably, be provided with two in the inner end on the every limit of scissors (2 or 14) and connect open-work (13,10) or (13,4) and the aduncate arc arm of force (3) and bandy elbow (11), connect by bolt (13,10,4) activity again, and two levers (12) and the interior side contacts of the two arc arm of forces (3).

2, according to claim 1 it is characterized in that:

Hang spring coil (5) two and hang between the spring coils (5) and be provided with spring (6) respectively being provided with on the two bandy elbows (11).

3, certain, two sliding levers (12) and the also available profile of tooth of the interior side contacts of the arc arm of force (3) (promptly "

" and " " coincide mutually) replace,

Can avoid skimming wear like this.

4, same this patent also can be made into the common pliers that general people use, and clamping is promptly arranged, " * " clamp of cramping and shearing.