CN2171458Y

CN2171458Y - Handle of hand tool

Info

Publication number: CN2171458Y
Application number: CN 93221784
Authority: CN
Inventors: 刘国印
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-08-19
Filing date: 1993-08-19
Publication date: 1994-07-13
Anticipated expiration: 2003-08-19

Abstract

The utility model relates to a handle for hand tools. The inner side surface of the right handle of the hand tool is integrally formed with a fastening sheet, the end of which is formed with a hook-shaped buckling part, and the position corresponding to the buckling part on a left handle is provided with a hollow section in a through mode for a movable buckling sheet to be pivoted. One end of the movable buckling sheet is provided with a movable buckling part for corresponding to the buckling part which is buckled or disengaged with the fastening sheet, and the other end is folded and upwards extended with a buckling and pressing part which is arranged next to a convex blocking part in the hollow section. An elastic element is arranged between the buckling and pressing part and the convex blocking part.

Description

Handle of hand tool

The utility model relates to a kind of hand-held tool, particularly relates to a kind of hand tool shank.

The kind of hand-held tool is various day by day, as clamp, scissors, the daily life of flower shears etc. is tool by hand, this type of hand-held tool mainly is that to utilize the hand tiger be one to support portion, and finger is as the application of force of operation, make the relative folding of lever of hand-held tool, reach the purpose of action, because this type of operation, all foldings of reaching instrument according to the application of force and the control of hand, so it is comparatively painstaking in the operation, and comparatively have some setbacks, therefore, promptly there is the people this type of hand-held tool to be cooperated the use of a spring, to reach more easy to operate and the labour-saving purpose, please cooperate consult shown in Figure 1, it is the schematic appearance of flower shears 1, it includes two blades 2, two levers 3, one pivot button 4, members such as one spring 5 and a clasp 6, spring 5 is arranged in two levers 3 position of top slightly, because spring 5 belongs to the compressibility spring, after being compressed, it promptly produces a back stretch, two levers of being processed by pressing 3 are opened again, so, only need the application of force two levers 3 that pressurize to operate blade 2 during operation, and do not need lever 3 is bestowed the open power of replying, so, comparatively convenient in the operation, but, because of spring 5 elastic returning effects, making two levers 3 all be under normal condition opens, so, two blades 2 also are open state with it, so, the blade part normal condition of blade 2 is all outwards exposed, cause unexpected injury during use easily, so the clasp 6 that lever 3 bottoms are provided with promptly is to be two levers 3 are fastened the location, expose constantly with the blade part that prevents blade 2, please cooperate consult shown in Figure 2, if flower shears 1 is when desiring to bestow shear action, its first step promptly is earlier clasp 6 to be opened, and makes two levers 3 break away from that it is spacing, and makes it can activity operations, but, clasp 6 pull from, need to utilize earlier the proficiency of the operation lever 3 of exerting pressure, make clasp 6 that a point relaxation be arranged, it is downward to utilize another hand to pull clasp 3 again, to open clasp 3, make flower shears be able to normal running, though pulling from operation of clasp 6 do not have much difficulties, but reach more simplification with the match operation smoothness, it still remains to be improved.

Main purpose of the present utility model is to be to provide a kind of lever of hand-held tool to satisfy the operator for requirement easy and simple to handle.

Based on above-mentioned main purpose, hand tool shank that the utility model provides, be to be one-body molded on the medial surface of the right lever of hand-held tool a buckling piece arranged, the buckling piece end forms a button portion of colluding shape, left lever position in its correspondence is penetrated with a permeable section, movable cramp is pivoted on it, one end of movable cramp is provided with a knot that can be undone by a pull portion and fastens with correspondence or break away from button portion in buckling piece, the other end is then transferred and extended upward is an attaching part, protruding stopper in attaching part and the permeable section is adjacent and establish, and has installed a flexible member therebetween.

This flexible member can back down attaching part outward.So, the movable cramp knot that can be undone by a pull portion of left side lever at any time trip in the button portion of right lever buckling piece, and when the operation desire is used hand-held tool, holding promptly takes advantage of a situation on two levers forces in the attaching part of movable cramp, and make attaching part be pressed interlock knot that can be undone by a pull portion and button portion to break away from, and then reach the separation of two levers, and the blade of hand-held tool can be acted on.So hand tool shank of the present utility model can be fastened, be broken away from by single hand control, and makes easy and simple to handle.

Below by preferred embodiment and accompanying drawing hand tool shank of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the schematic appearance of prior art hand-held tool.

Fig. 2 is the action schematic diagram of prior art hand-held tool.

Fig. 3 is the assembly schematic diagram of the utility model hand tool shank.

Fig. 4 is the first action schematic diagram of the utility model hand tool shank operation.

Fig. 5 is the second action schematic diagram of the utility model hand tool shank operation.

Fig. 6 is the schematic diagram that folds of the utility model hand tool shank.

Fig. 7 is the assembly schematic diagram of another preferred embodiment of the utility model hand tool shank.

Please cooperate consult shown in Figure 3, the lever of the utility model hand-held tool is to do an explanation with the scissors 10 that plants such as clipping and carving, fruit tree are used in the present embodiment, and it comprises that hand grips two levers 11 of the application of force, each blade 12 that extends reaches the spring 13 that two lever spans are established on two levers 11.

Two levers 11, for convenient the sign illustrates it is to be divided into right lever 111 and left lever 112, right lever 111 props up the tiger position in hand when using, on its medial surface corresponding to left lever 112 one-body molded have be roughly the tabular buckling piece 1112 of triangle, the end that buckling piece 1112 is convexly equipped with forms a button portion 1113 of colluding shape.

Left side lever 112, be provided with a permeable section 1121 that runs through left lever 112 in the position of its relative buckling piece 1112, permeable section 1121 tops are extended with a protruding stopper 1122 downwards, and provided a pivot hole 1123 on slightly in its bottom, one movable cramp 1124 slightly is the forefinger shape, its horizontal plate is a knot that can be undone by a pull portion 1125, knot that can be undone by a pull portion 1125 is combined with a pivot button 113 and runs through in the pivot hole 1123 that is hubbed at permeable section 1121, and it is provided with a hook part 1126 corresponding to buckling piece 1112 button portions 1,113 one ends, and its turnover plate upwards is an attaching part 1127, attaching part 1127 and protruding stopper 1122 are adjacent and establish, therebetween and be provided with a flexible member 114, it backs down attaching part 1127 outward; As shown in Figure 3, flexible member 114 is to adopt the compression spring at present embodiment, institute thinks when avoiding its assembly to use and drops easily, on the surface of protruding shelves portion 1122 relative attaching parts 1127, form a groove 1128, and form a projection 1129 at attaching part 1127, so, the two ends of flexible member 114 are worn respectively, are placed on groove 1128 and the projection 1129, so but strong fix during assembly; As shown in Figure 7, another embodiment of flexible member 114 adopts compression spring, it includes a fixed part 1141 and an arc portion 1142, fixed part 1141 is for being fixed in the protruding shelves portion 1122, and the roof pressure that arc portion 1142 supplies on the attaching part 1127, and have an elastic-restoring force equally behind arc portion 1142 pressurizeds.

Above-mentioned is the structural feature and the assembly relevant position of each member of the utility model hand tool shank, below is illustrated with regard to its operating state:

At first, as shown in Figure 4, when the operation desire is used scissors 10, right lever 111 is resisted against the tiger position of hand, finger part is then around holding on left lever 112, and nameless 807, the rough outside that is positioned at attaching part 1127 of little finger of toe 808 parts is so the finger part of operation is slightly after the application of force, two levers 111,112 also slightly apply pressure to spring 13, and attaching part 1127 also is subjected to nameless 807, the application of force of little finger of toe 808 is toward interior compression elastic element 114, and it is to be a central shaft with pivot button 113, therefore, knot that can be undone by a pull portion 1125 also with and down the action, its hook part 1126 and the button portion 1113 of right lever 111 buckling pieces 1112 are broken away from, at this moment, the strength of finger is slightly loosened, Hui Li by spring 13, make two levers 11 gradually for opening, as shown in Figure 5, reach separation two levers 11 and make blade 11 open the processing of being bestowed shearing.

Please cooperate consult shown in Figure 6, when scissors 10 is finished using collection, its action that folds is very simple and easy, be that the tiger of will operate hand is resisted against right lever 111 equally, and all the other finger parts are around holding on left lever 112, at this moment, nameless 807, little finger of toe 808 need not exerted oneself, and only utilize forefinger 805, middle finger 806 application of forces are with a left side, right lever 111,112 application of forces make it close, because attaching part 1127 there is no the application of force and pressed, so, attaching part 1127 is promptly backed down outward by flexible member 114, and so, then there is a bit up perk 1126 positions, hook part of knot that can be undone by a pull portion 1125, button portion 1113 sustained heights of rough and buckling piece 1112, please cooperate again consult shown in Figure 3, when hook part 1126 touches button portion 1113, the operation slightly exert pressure again, hook part 1126 is promptly along gliding with button portion 1113 contact-making surfaces, and then make hook part 1126 and button portion 1113 catch on the location, and two levers 11 are fastened the location, reach the purpose that scissors 10 is folded.

In sum, by above-mentioned explanation, the design of the utility model hand tool shank as can be known, when scissors 10 desires are used, do not need to use simultaneously more left and right two hands, only two levers 11 are broken away from automatically with the proficiency application of force, therefore, can be to satisfy the operator for requirement easy and simple to handle.

Claims

1, a kind of hand tool shank comprises that hand grips the left and right lever of the application of force, and wherein a right lever is the tiger position that props up in hand, and another left lever then bears the contact application of force of finger, has installed a compression spring between two levers; It is characterized in that:

One-body molded on the medial surface of the corresponding left lever of right lever have a buckling piece, and the buckling piece end forms the button portion of colluding shape;

The position of left side lever relative buckling piece is provided with a permeable section that runs through left lever, and the permeable section top is extended with a protruding stopper downwards, and has provided a pivot hole in the permeable section bottom on slightly; One movable cramp cooperates pivot button axle pivot in the pivot hole of permeable section, the one end is provided with a knot that can be undone by a pull portion, and knot that can be undone by a pull portion correspondence fastens, breaks away from the button portion in buckling piece, and other end turnover has extended upward an attaching part, attaching part is adjacent with protruding stopper and establish, therebetween and installed a flexible member.

2, hand tool shank as claimed in claim 1, it is characterized in that: the flexible member between attaching part and the protruding stopper is a compression spring, the one end is arranged in a location groove default in the protruding stopper, and the other end is arranged in the projection that is protruded out on the attaching part relative position.

3, hand tool shank as claimed in claim 1, it is characterized in that: the flexible member between attaching part and the protruding stopper is a compression spring, on the protruding regularly stopper of one end, the other end is bent into the arc portion with elastic-restoring force, and arc portion is contacted with the inner face of attaching part with respect to protruding stopper.