CN107921611A - Handheld tool - Google Patents

Abstract

The present invention relates to a kind of handheld tool (1),Especially pliers,The handheld tool of scissors or similar type,It is that it has two arrangements that intersect in hinge area and surround the tool half (2 that axis of oscillation (x) is swingably connected with each other as necessary by hinge pin (4),3),Wherein,Tool half (2,3) mouth (7 is formed in the side of hinge,8),And form handle in the opposite side of hinge,In addition wherein,In tool half (2,3) in tool half (2 on handle side,3) leg (5,6) it is disposed between by tool half (2,3) leg (5 of handle side,6) rotary torsion spring or compression spring acted in the plane of tensioning and supporting open movement,Wherein,Tool half (2,3) in the region of hinge extension is overlapped the to each other in region (U) is stacked.For hand-held tool (1), especially pliers, scissors or similar means are further improved and provided in terms of the favourable design method of manufacturing technology, the axis of oscillation of hinge is located at outside the profile of resetting spring (11), and spring end (19) is shaped to, spring end is fixed by the shape engagement for being frictionally engaged or supporting or is supported in the correspondence forming part (16) being adapted in active position, and/or resetting spring (11) is partly in the tool half (2 of upside, 3) with the tool half (2 of downside, 3) extension in region (U) is stacked between.

Description

Handheld tool

Technical field

Present invention firstly relates to the handheld tool of a kind of handheld tool, especially pliers, scissors or similar type, it has Two arrangements that intersect in hinge area and be swingably connected with each other around axis of oscillation as necessary by hinge pin Tool half, wherein, tool half hinge side form mouth, and hinge opposite side form handle, in addition Wherein, tool half stackedly extends being stacked in region each other in the region of hinge, and in the handle one of tool half Be disposed with side between the leg of tool half it is being acted in the plane of the leg of the handle side by tool half tensioning and Support the resetting spring of open movement, the resetting spring possesses the spring arm of spring end, in addition wherein, resetting spring Partly being stacked in region between the tool half of upside and the tool half of downside extends, and axis of oscillation is positioned at multiple Beyond the profile of position spring.

The invention further relates to the handheld tool of a kind of handheld tool, especially pliers, scissors or similar type, it has two A arrangement that intersects in hinge area and be swingably connected with each other around axis of oscillation as necessary by hinge pin Tool half, wherein, tool half forms mouth in the side of hinge, and forms handle in the opposite side of hinge, wherein, It is disposed with the handle side of tool half between the leg of tool half in the tensioning of the leg of the handle side by tool half Plane in effect and support the resetting spring of open movement, the resetting spring possesses the spring arm of spring end, And spring end is so molded so that the spring end is retained on instrument half by frictional engagement and/or shape engagement In the correspondence forming part being adapted in portion.

The prior art

Handheld tool, especially pliers, scissors or similar means are with known to a variety of design methods.Moral is for example referred to regard to this State utility model DE000020105643U1.In order to apply, reset force places torsionspring around hinge axes herein or rotation is turned round Power spring, while spring arm is supported on the leg of the handle side of tool half.Resetting spring is installed on two tool halfs Assembling and connection procedure before or during complete.In the case of not extracting tool half portion, it is impossible to or it is difficult to realize spring The subsequent installation of element is removed.Producer must just be made whether the decision of outfit resetting spring intentionally before assembly, and And retained in preparation process afterwards.

The content of the invention

Based on the prior art, the technical problems to be solved by the invention are, hand-held tool, especially pliers, cut Knife or similar means are further improved in terms of the favourable design method of manufacturing technology.

The technical problem possible solution according to the first invention thinking by a kind of handheld tool, especially clamp Son, scissors or similar means solve, wherein, bag-shaped depression, a part for the resetting spring are equipped between tool half In the depression, which alsos for being fitted into bag-shaped depression and can be from handle side when tool half is connected with each other Import, and spring end is so molded so that the spring end is retained on work by frictional engagement and/or shape engagement In the correspondence forming part being adapted for having half portion.

Thus solved according to another invention thinking the technical problem, i.e. the resetting spring is only by spring arm in phase Be retained in folded region on handheld tool, spring end is so molded for this so that the spring end by be frictionally engaged and/ Or shape engagement is retained in the correspondence forming part being adapted of tool half, and spring arm is met in spring section, institute State the handle side that spring section is arranged in spring arm.

The technical problem can also be solved according to another invention thinking, i.e. by mobilizable relative to tool half Supporting member realizes frictional engagement and/or shape engagement.

The handheld tool so constructed is to producer as to being conducive to use user.Also connect by shape The combination closed and be frictionally engaged can be accomplished that, overcome spring force to be partially or completely removed spring afterwards or from least one Leg is decoupled, to make spring then at invalid position (Au β erwirkstellung).This goes back simultaneously for for user It can realize the installation later of resetting spring.For producer can under manufacture state a little later, especially in tool half After being connected with each other resetting spring is assembled for handheld tool.It is not required dual stock and product to segment from beginning to end.

But also the reset with the indicatrix changed can be installed according to the demand of user afterwards in a straightforward manner Spring.

The part that is stacked in region arrangement of the defined resetting spring between two tool halfs is considered to be if necessary Be conducive to operation.In this way, spring is at least partially arranged in stowed position, does not thus act on or interference-free acts on instrument In the wobble area of opening between half portion, especially between handle.Known spring does not exist by tool half covering openly, Extend between tool half, especially between handle, the spring can utilize raised or like hook under rough sledding Connect in the work environment.This can cause the uncontrolled pop-up of spring.And the drawbacks of in operating technology, is also by selected Arrangement eliminates.

In the design method, spring end can act in corresponding tool half with being frictionally engaged merely.Such as For example pass through each spring end and/or tool half in the case of corresponding forming part is constructed in one or two tool half The corresponding shape bond layout with the coefficient region of spring end, thus can also accordingly obtain shape engagement work With.

Bag-shaped depression can by be located in the region of a tool half be stacked it is in region, along axis of oscillation The depression of extending direction orientation is formed, and also passes through concave shape opposite in region is stacked in two tool halfs if necessary Into.

The assembling of resetting spring can be implemented in the case where tool half is connected with each other from handle side, its mode is, multiple Position spring is imported in bag-shaped depression especially when handheld tool is in an open position towards the direction of axis of oscillation.Herein can be The fixing of possible shape engagement is automatically formed during insertion process.

Spring arm crosses in spring section, and the spring section may be constructed the lifting lug (Auge) of resetting spring.It is this Lifting lug can be formed by coil.Spring arm can since the preferred central spring section towards handle away from axis of oscillation The direction of end extends in the opposite direction.

For fixation or supporting that the frictional engagement of at least one spring arm and/or shape engage, can set preferably solely Vertical supporting member.Supporting member relative to the preferable motility for the tool half attached troops to a unit can realize supporting member from spring Operating position is moved to invalid position and/or the operating position of spring is conversely moved to from invalid position, wherein, it can also pass through Supporting member is removed from tool half and realizes invalid position.

In a kind of possible invalid position, the spring arm attached troops to a unit lacks supporting.Correspondingly, when operating handheld tool Spring is failure.And the assembling and/or dismounting of spring can also be realized in this position.

In possible design method, spring force can be adjusted by mobilizable supporting member, its mode is, respectively basis The position of supporting member makes attached troops to a unit spring arm support with being more or less tensioned.

Mobilizable supporting member can also be set in only one tool half.If all set in two tool halfs Mobilizable supporting member, then supporting member can especially in terms of the mode of its mobility in the same manner however can also be differently Design.

The technical characteristic of above-mentioned independent claims both can be i.e. meaningful in itself, can also be with its side of being mutually combined Formula is meaningful, and in addition wherein, the technical characteristics of an independent claims can be with another independent claims or other are more The technical characteristic of a independent claims is mutually combined, in addition can also be with the single skill of other one or more independent claims Art feature is mutually combined.

In the description of the drawings usually with the preferred disposition of the claims scheme below the other technical characteristics of the present invention Mode be set forth, the other technical characteristics can also be with the configuration of one or more technical characteristics of the claim scheme Mode or independently or in the form of other overall plans it is significant.

Thus in other design methods, edge is swung at least during handheld tool closes for the holding area of spring arm The direction observation of axis is overlapping with another tool half.The holding area of spring arm is thus at least in one or two instrument half It is being stacked in the part swing path in portion in region in protective position.

In a kind of decision design mode, the maximum open configuration of the holding areas (going back) of two spring arms in handheld tool It is lower overlapping with another corresponding tool half along the direction observation of axis of oscillation.

Spring section is arranged in the handle side of spring arm in a kind of possible design method, spring arm is in the spring Cross in section, so as to obtain the arrangement of resetting spring, wherein, two spring ends are preferably in tool half mutual Extend in each swing position in region is stacked.

The spring section of composition lifting lug can be additionally set to be stacked area at least one swing position of tool half Extend in domain, this is along the extending direction of axis of oscillation in the case where one or two tool half fully or only partly overlaps Projection for.

Two spring ends of resetting spring can be for being adapted on the leg of the handle side with corresponding tool half portion Correspondence forming part collective effect and completely or partially around the tool half.It can so be provided in design method right The encirclement to tool half at least both sides in the region of forming part is answered, this is just perpendicular to the longitudinal extending amount observation of tool half , such as in the tool half cross section of substantial rectangular.Can also surround tool half cross section three sides or All sides, which are formed, to be surrounded.

The correspondence forming part being adapted of tool half can be formed by the groove or rib for accommodating spring end, spring terminal Portion is against the groove or rib.In a kind of design method, the correspondence forming part being adapted passes through the stair-stepping of tool half Continuous cross section widening portion is formed.

The collective effect of spring end and tool half self-swinging axis can be seen preferably in the region of tool half Examine and formed in handle side.

In addition, resetting spring can be only held by its own spring force.In this design method, preferably without The measure for setting other to be used to hold spring in the region of tool half, such as used in clip fixing Groove or rib need axle journal or the like parts wrapped.This generally realizes the favourable assembly and disassembly of spring.

Thus, resetting spring can be only by overcoming it to answer in the plane being tensioned by the leg of the handle side of tool half Position power towards the movement of handle side direction and it is decoupled with least one leg, and be thereby converted to invalid position.

In a kind of design method, resetting spring can have the number of turn that 1 is defined as in spring section in plan view The shape of the similar Ω of (number of turns), spring arm cross in the spring section.Resetting spring can preferably have central segmental arc, It is connected with the spring arm for being supported on the leg of tool half in side respectively since the central segmental arc.The segmental arc It can also extend in this reference plane figure on more than 180 °, the angle up to 270 ° or 300 °.The segmental arc of Ω shapes can be with Extend in the angle not higher than 120 °, 180 ° or even 210 °.

Provided in a kind of alternative design method, resetting spring possesses the shape that the number of turn is at least 1 similar Ω. The middle section being made of circular coil is so preferably formed as in plan view.The circular arc formed herein extends more than 360 °, example Such as more than 540 °, that is, 1.5 coils, or in the region between 360 ° to 720 °, such as 450 ° of angle extension.

Resetting spring can be placed in the bag-shaped depression in the handle side part of leg.The depression can be in instrument half Being stacked in region for portion is arranged near hinge.Depression can also selected as, the spring arm being supported on the leg of tool half Lap position can also be converted into, therefore in a kind of possible design method, can by whole resetting spring bowing in instrument It is arranged in view in concealed location, axis of oscillation is illustrated as a little in the vertical view.

The forming part being adapted of correspondence forming part and spring end on leg is big relative to the spacing of hinge axes In the spacing by the lifting lug that close or sometimes not closed coil is formed relative to hinge axes of resetting spring.Spring end The free end of the leg of tool half is directed toward in this design method, by the lifting lug of resetting spring then towards articulated shaft Line.

It is also feasible with regard to this opposite arrangement.In this way, correspondence forming part and spring end on leg is adapted Forming part relative to hinge axes the lifting lug for being smaller than resetting spring relative to hinge axes spacing so that spring The free end of leg is accordingly directed toward hinge axes.

It may further specify that, elevated regions, the elevated regions are configured with the tool half of handle side for being stacked region Surface with the Longitudinal extending along tool half, the surface are associated with the spring region extended in the region of tool half Section.The surface substantially vertically extends in preferable design method, at least transverse to the handle side by tool half The plane of leg tensioning, the further preferably longitudinal extending amount transverse to the spring arm attached troops to a unit.The surface of elevated regions is one The supporting along swaying direction is provided in the possible design method of kind for spring section.This can be the branch along spring action direction Hold, can be alternately inversely in the supporting in the direction of spring force.

Elevated regions can be unified with the handle area material of tool half and integrally construct, further preferably structure Make in the region of bag-shaped forming part.

In a kind of improved procedure, the elevated regions can be with together with the other elevated regions opposite with the surface The groove along the extension section extension of tool half is constructed, the section of spring arm is entrenched in the groove.Spring arm is in this design Not only the direction of spring force is overcome to be bound between the raised areas being along spring direction but also edge in mode.Two elevated regions Opposed facing surface spacing, thus corresponding cell wall can be selected so so that the area being fitted herein of spring arm Section can be completed to carry out given displacement if necessary along spring arm swaying direction.

In addition, the section of spring arm can have towards the direction of the free end away from axis of oscillation of tool half it is curved Pars convoluta, the bending section extend around the end regions attached troops to a unit of elevated regions.This bending section can be for top view The obtuse angle more than 90 ° is surrounded with spring arm, such as not higher than 120 ° or 150 °, axis of oscillation is shown as in the top view Point.Alternately, 90 ° of acute angle, such as 80 ° or 60 ° can also be correspondingly less than.

Bending section wrapped in position of attaching troops to a unit elevated regions away from the end of axis of oscillation, in a kind of improved procedure, The handle area of tool half can also be continued around from that point on until the surface opposite with baglike depressions of tool half On.Generally generally U-shaped curved region can be related in the end regions of spring arm, the region is with its mutually opposing phase The U-shaped linkage section at interval is supported on the corresponding surface of tool half, and side is supported on the bottom of baglike depressions if necessary, The U-shaped linkage section is connected by the U-shaped arm that the extending direction along axis of oscillation extends.U-shaped arm can be supported on tool half On end face.

In addition, be only capable of being configured with upside depression or downside depression being stacked beyond region in tool half, from opposite Tool half reach the depression, spring end is entrenched in the depression freely overhangingly.Herein so that overhanging bullet Spring arm is supported on the wall on the concave border of limitation of tool half., can also be concave mutual in the spring end of deflection Corresponding supporting is formed on angled limitation face.

Can be sleeve part for supporting member, the sleeve part can sleeve can nothing in tool half, and preferably Remove instrument.In sleeve position, sleeve part realizes supporting of the spring arm when necessary in pre-stressed position.Sleeve position Can be in order to which the position of sleeve part is fixed and is fixed when spring arm loads, such as fixed by clamping lock.It can also realize nothing The fixation of instrument, such as be screwed.

In addition, the supporting member can also be component slidably or swingably hinged in tool half, the portion Part can move or be rocked to active position since invalid position for the collective effect with spring arm.Preferably, may be used also With fixation position.

In addition, supporting member can also be insert, especially there is the direction of insertion of the extending direction transverse to tool half. The preferable fixation of active position can utilize spring arm to realize, can also alternately pass through the clamping lock or card with tool half The collective effect of buckle-shaped formula is realized.

Scope and codomain or more times of scopes shown by above and below also include all medians in terms of disclosure, Can also be scale free in the case of possible especially with 1/10th spacing of each size.Such as not higher than 120 ° Numerical value, which gives, to be further included not higher than 119.9 °, the disclosure not higher than 103.5 ° etc., the disclosure between 360 ° to 720 ° Further include the disclosure between 360.1 ° to 720 °, 360 ° to 719.9 °, 360.1 ° to 719.9 °, 398.7 ° to 688.3 ° Deng.On the one hand the disclosure is used for the lower and/or coboundary for defining the scope, but it is alternative or additional further relate to it is each The disclosure of the independent numerical value of one or more of scope.

Brief description of the drawings

Below by the attached drawing for only showing embodiment, the present invention is further explained.The component only illustrated in one of embodiment And the component is substituted for particularity and by other component in a further embodiment, thus the component is for other Embodiment is described as component most viable if necessary.In the accompanying drawings：

Fig. 1 shows the stereogram of the pliers of first embodiment；

Fig. 2 shows the phantom of pliers；

Fig. 3 shows the view according to Fig. 2 for being related to another embodiment；

Fig. 4 shows the view according to Fig. 1 for being related to second embodiment；

Fig. 5 shows the view corresponding with Fig. 2 for being related to the embodiment according to Fig. 4；

Fig. 5 a show the sectional view that cutting line Va-Va is obtained along Fig. 5；

Fig. 6 shows the stereogram of the resetting spring in an embodiment；

Fig. 7 shows the resetting spring in another embodiment；

Fig. 8 shows another embodiment of resetting spring；

Fig. 9 shows the amplification view in the region of the receiving spring end for the tool half for being related to another embodiment；

Figure 10 shows the sectional view obtained along the cutting line X-X of Fig. 9；

Figure 11 shows the view corresponding with Fig. 9 for being related to another embodiment；

Figure 12 shows the sectional view obtained along the cutting line XII-XII of Figure 11；

Figure 13 shows the handheld tool of another embodiment；

Figure 14 show to be related to another embodiment with the corresponding views of Fig. 9, wherein with the branch for being configured to sleeve part Bearing member；

Figure 15 shows the sectional view obtained along the cutting line XV-XV of Figure 14；

Figure 16 shows the side view of sleeve part；

Figure 17 shows the side view for the sleeve part for being related to another embodiment；

Figure 18 shows the sectional view of the tool half with the sleeve part for being configured to sliding part；

Figure 19 shows the sectional view obtained along the cutting line XIX-XIX in Figure 18；

Figure 20 shows the side view of the sleeve part according to Figure 18；

Figure 21 show to be related to by supporting member be configured to swing component embodiment with the corresponding views of Figure 18；

Figure 22 shows the three-dimensional detail view of swing component；

Figure 23 show to be related to by supporting member be configured for insertion into part design method with the corresponding views of Figure 18；

Figure 24 shows the sectional view obtained along the cutting line XXIV-XXIV in Figure 23；

Figure 25 shows the stereogram of insert.

Embodiment

A kind of pliers is had shown and described according to Fig. 1 first, is herein the handheld tool 1 of diagonal cutting nippers form.Handheld tool 1 With two tool halfs 2 and 3, the tool half is intersected in the hinge pin 4 with rotation axis x.

Since the hinge pin 4 for swingably mutually holding tool half 2 and 3 around geometric rotation axis x, tool half 2 and 3 form leg 5 and 6 in the side of hinge pin 4 and form plier 7 and 8 in opposite side.

Leg 5 and 6 is configured to handle.

Around hinge pin 4, the section for being stacked placement of composition tool half 2 and 3 is stacked region U.

In the section towards leg 5 and 6 of tool half 2 and 3, bag-shaped depression 9,10 is equipped with region U is stacked. The depression extends since the supporting plane of tool half 2 and 3 in region U is stacked, and the supporting plane is perpendicular to rotation Prolong on the thickness direction of the tool half 2 and 3 of the extending direction observation along rotation axis x in region U is stacked axis x Stretch.Depression is so allowd to extend at tool half 2,3 approximately half of thickness in region U is stacked.

Bag-shaped depression 9,10 can be observed from outside along the swaying direction of tool half 2,3 and limit side by elevated regions 17 Boundary.In the embodiment of Fig. 1 to 5, looked into along swaying direction, depression 9,10 freely extends.

Depression 9,10 can on the direction of the end of the remote axis of oscillation x towards each tool half 2,3 by transverse to 18 restricted boundary of convex shoulder of the longitudinal extension part extension of tool half 2,3.

The recessed of arrangement is substantially stacked at least in instrument initial position namely when pliers is in jaw closing position Fall into 9,10 and accommodate resetting spring 11.Linear spring can be related to herein, the linear spring has substantially similar Ω's Shape.

Resetting spring 11 has preferably in the central spring section 12 of plateau form.The spring section in center can basis View in Fig. 7 is formed by arc area, and the arc area is not in the circumferential closure, but at about 200 ° to 210 ° Angle in extension (with reference to Fig. 8).

Spring arm 13 is bent outwardly since the end of segmental arc.

It can also be made up of according to the spring section 12 of the view of Fig. 6 the circular coil of spring wire, such as by leading to Cross the coil composition around about 270 °.Here, spring arm 13 outwardly extends since end turn.

In the spring according to the embodiment of Fig. 6 and 8 view (can also be referring to figs. 1 to the view of 3 arrangement) On the side of arm 13, spring arm 13 can also form wrapping section 14.Wrapping section is substantially extended parallel to each other by two And spaced spring wire section is formed, the spring wire section is connected with each other by extending laterally spring section.

The wrapping section 14 of two spring arms 13 constructs away from one another.

Resetting spring 11 can be retained on instrument separately through its reset force in the region of the depression 9 of tool half 2 and 3 On 1.Here, a part for resetting spring 11, in two first embodiments be mainly spring section 12 in region U is stacked Extension.In addition the arrangement selected as, resetting spring 11 substantially extend in the separation plane of two tool halfs 2 and 3.

By wrapping section 14, each leg 5,6 of tool half 2,3 is wrapped from three sides in the region of depression 9 or 10 Enclose.Spring end 19 can be entrenched in transverse to the longitudinal extension part extension of tool half 2,3 and in tool half and bag Shape is recessed in the groove 20 formed in 9,10 opposite planar sides.

The resetting spring 11 being arranged so as to additionally can with point-like be supported on inside depression 9 and 10, such as in wrapping area It is supported on the mutually opposing arris of depression 9,10 in section 14, is supported on when being necessary in addition in the region of spring section 12 On the mutually opposing arris of depression 9,10.

The region of the receiving resetting spring 11 of depression 9,10 constructs the leg outside hinge pin for hinge pin 4 Side.

According to the above-mentioned construction and arrangement of resetting spring 11, the profile of resetting spring is in the bottom surface of handheld tool 1 In the exterior extension of hinge pin 4, extend preferably with respect to the direction of hinge pin 4 towards the leg 5,6 of handle side (with reference to figure with offsetting 2 or 3), rotation axis x is shown as a little in plan view.

Become the corresponding shaping being adapted to spring end 19 to the convex shoulder 18 of depression 9,10 into row bound limitation in handle side The wrapping section 14 in portion 16, preferably resetting spring 11 is also abutted on the convex shoulder 18.

Resetting spring 11 can be installed after the completion of the manufacture of handheld tool 1 afterwards, its mode is, resetting spring is from hand-held work The handle side of tool 1 starts to be pushed into bag-shaped depression 9,10.

The movement of reset force can also be overcome in the plane being tensioned by the leg 5 and 6 of spring arm 13 by spring arm 13 And realize the invalid position relative to leg 5,6.If two spring arms 13 are for such invalid position, resetting spring 11 is just It can be removed.

In the above-described embodiment, the wrapping area being adapted of the correspondence forming part 16 on leg 5 and 6 and spring arm 13 Section 14 or spring end 19 relative to spring sections 12 of the rotation axis x than the similar Ω shapes of resetting spring 11 apart from bigger.

And opposite arrangement is also feasible (with reference to Figure 4 and 5) with regard to this.

The torsionspring as resetting spring 11 is provided with this embodiment, its spring section 12 with center, Coil with about 540 ° of spring wire.

The spring arm 13 for starting extension from there has in the mounted state substantially along rotation axis x's in end side The spring end 19 of extending direction extension, the spring end are configured to undercut section 15.

The resetting spring 11 so designed (detail view that may further reference Fig. 7) is retained on depression 9 by undercut section 15 In 10 region, for this reason, each tool half 2,3 being stacked in the U of region inside depression 9,10 has from the bottom of depression 9 The correspondence forming part 16 for the narrow bars shape that portion extends towards the direction of separation plane.Each corresponding forming part 16 is reset spring 11 Undercut section 15 wraps.

Undercut section 15 can for example have curved spring end 19 as shown in Figure 5 a.Spring end is preferably along swinging axle The orientation extension of line x.By the free end face of spring end can make each spring arm 13 be supported on mutually opposing depression 9, On 10 bottom.

In this embodiment, resetting spring 11 partly and herein compared with spring end 19 apart from rotation axis It is arranged in and is stacked in the U of region in the region of spring section 12 farther line x.

Corresponding forming part 16 can by 19 excess of stroke of spring end, so as to according to Fig. 7 by being inserted as 1 thing of handheld tool After be equipped with spring.

Fig. 9 and 10 shows the leg 5 of the tool half 2 in the region of baglike depressions 9.

For along swaying direction outwards and also this elevated regions 17 constructed be configured with along swaying direction observe in inside Other elevated regions 21.The elevated regions 21 are along between the Longitudinal extending observation and the holding of opposite convex shoulder 18 of tool half 2 Constructed away from ground.

The groove 22 substantially extended along the longitudinal extending amount of tool half 2 is formed between elevated regions 17 and 21, is attached troops to a unit It is entrenched in the spring arm 13 of tool half 2 in the groove.

The final bending section 23 for transitting to wrapping section 14 of spring arm 13 is formed between elevated regions 21 and convex shoulder 18 Groove region in extend.Spring arm 13 away from the end of axis of oscillation x accordingly around the being attached troops to a unit, convex of tool half 2 The end regions 24 for playing region 21 guide.

Spring arm 13 is retained in groove 22 by the design method, the accident particularly for further preventing resetting spring 11 Come off.

Preferably, other tool halfs 3 design identical in the region of its depression 10.Elevated regions 17 and 21 are on its edge It is adjusted so that in terms of the height of the extending direction observation of axis of oscillation x and realizes 5,6 swing in position is stacked of leg.

In order to advantageously assemble resetting spring 11, also as described, existing along swaying direction observation in internal elevated regions 21 The corresponding groove 22 that face side is provided with from leg 5,6 drops to the inclined-plane 25 of internal arris.Spring can be made by the inclined-plane Arm 13 overcomes reset force to be pressed into groove 22.

Bag-shaped depression 9,10 can as shown in FIG. 11 and 12 by upside or downside it is concave in the form of in tool half 2,3 Upper construction is recessed with the outer boundary formed along swaying direction by elevated regions 17 and along instrument partly in region U is stacked The border that the extending direction in portion 2,3 is formed by convex shoulder 18.

The spring arm 13 attached troops to a unit of resetting spring 11 is supported on concave bottom in this embodiment, if necessary court On the opposite bearing-surface for abutting in elevated regions 17 outside namely along spring action direction, and as necessary by curved Spring end 19 is supported on the opposite end face of convex shoulder 18.Spring end 19 is freely entrenched in depression or bag-shaped overhangingly In depression.In this embodiment it is preferred that the wrapping of the U-shaped of tool half 2,3 is not formed.

It can also be obtained when handheld tool 1 is in pliers form mainly first according to Fig. 1 and 2 according to the view of Figure 13 The arrangement and construction of embodiment, but wherein, geometry axis of oscillation x is not overlapped with the body axis of hinge pin.On the contrary, in the hand Hold and two hinge pins 4 are set in instrument 1 in region U is stacked, the hinge pin guides in the hinge axle journal of elongated hole-shape.

Tool half 2,3 also has bag-shaped depression 9,10, resetting spring 11 in region U is stacked in this embodiment Accommodate and be retained in the depression.

Resetting spring 11 also exists relative to the axis of oscillation x outside hinge pin 4 and hinge pin 4 and axis of oscillation x herein Leg side extends, and the spring section 12 of central similar Ω shapes is being stacked area by the section of tool half 2,3 in the case Partly or even all covered in the U of domain.

Figure 14 to 25 shows other embodiment, wherein, in order to support and fixed reset spring 11 is attached troops to a unit if necessary Spring arm 13 and independent supporting member 26 is at least set in tool half 2 and/or 3, the supporting member is relative to instrument half Portion 2,3 is mobilizable.

In this way, supporting member 26 can be can be arranged on the leg of tool half 2,3 sleeve part 27 (with reference to Figure 14 extremely 17).Sleeve part 27 can design U-shaped in cross-section, have U-shaped leg, and the U-shaped leg abuts in instrument in sleeve position On the broad side surface attached troops to a unit of half portion leg.The section of the narrow side towards another tool half of U-shaped connection side covering leg. Supporting member 26 can be so from internal sleeve in tool half 2,3.

Removable fixation of the supporting member 26 in tool half 2,3 can also be toollessly formed, such as shown in the figure Clamping lock fix, for this U-shaped leg of such as sleeve part 27 using clamping lock protrusion be entrenched in tool half 2,3 clamping lock depression in.

The U-shaped leg for being preferably not used for clamping lock fixation is designed to support attached troops to a unit spring arm 13.In this way, sleeve part 27 There can be the groove 28 opened wide towards U-shaped opening in U-shaped leg, spring arm 13, which is fitted, to be strapped in the groove 28 (with reference to Figure 14 With 15).

And this groove can also be opened wide towards the free end of U-shaped leg, wherein, spring arm 13 is then bound in cell wall and work (with reference to Figure 17) between the elevated regions 21 of tool half portion 2,3.

Spring 11 can by can the supporting member 26 of sleeve be retained at least one tool half 2,3 of instrument 1.Another work Tool half portion 2,3 can have for example bag-shaped depression 36 to accommodate another spring arm.And alternately, another instrument half Portion can also have independent supporting member 26.

Supporting member 26 can be changed into invalid position, such as realize failure by being removed completely from tool half 2,3 Position, to make attached troops to a unit spring arm 13 lose corresponding supporting, and it is correspondingly real in the case of no spring-force driven dual The operation of existing hand-held tool 1.

This can also be realized by the supporting member 26 that can be moved in tool half 2,3.Herein can be with according to Figure 18 to 20 It is related to the component 29 along the Longitudinal extending direction slip of tool half 2,3, or is related to around the width perpendicular to tool half 2,3 The swingable component 30 of the rotation axis of lateral orientation (with reference to Figure 21 and 22).

The component 29 of slip can movably be arranged along the outside broad side surface of tool half 2,3.In the horizontal stroke of preferred U-shaped In the design of section, U-shaped leg can be used for guiding, its mode is, such as the rib of tool half 2,3 is entrenched in the corresponding of U-shaped leg (with reference to Figure 19) in the guide channel for constructing and being correspondingly oriented.The free end face of another U-shaped leg can be preferably provided for spring The bearing-surface of arm 13.

The component 29 of slip can be moved to active position from invalid position and inversely be moved to mistake from active position Position is imitated, wherein, especially active position is (such as the passing through clamping lock) being preferably fixed.

So by it is fixed, for example can also be in swingable component 30 be formed in by the active position of clamping lock.It can put Dynamic component can be converted into active position from invalid position and inversely be converted into invalid position from active position, lead to herein Cross the mobile realization of swing.

The fixation (such as clamping lock is fixed) is selected as, this is fixed from acting on supporting member 26 by resetting spring 11 On power be released from.

In addition, supporting member 26 can also relate to insert 31, such as the insert of pin form, the insert is supporting Spring arm 13 and be inserted into attached troops to a unit tool half 2,3.Exemplary technical solution is shown in Figure 23 to 25.

Pin-shaped insert 31 can have cylindrical sections 32, hole 33 of the cylindrical sections in tool half 2,3 Region, the hole have perpendicular to tool half 2,3 broad side surface orient axially bored line.The end of cylindrical sections 32 transits to The head section 34 of relative diameter increase.Cylindrical sections 32 being away from each other with head section 34 and can be relative to tool half 2nd, 3 broad side surface deviated from, which is in the end section of projecting positions, is provided with the groove 28 that secant shape is directed toward, for captively holding Receive spring arm 13.

Compression spring 35 can be set between head section 34 and the broad side surface deviated from, and the compression spring passes through cylindricality Section 32 clamps the spring arm 13 being entrenched in groove 28 relative to the broad side surface attached troops to a unit of tool half 2,3.At the same time thus Also insert 31 is fixed in tool half 2,3.

The reset force of compression spring 35 is overcome (such as to pass through pressing along the moving of cylinder axis by pin-shaped insert 31 Head section 34) so that spring arm 13 is in the position that can be detached from groove 28, so as to fulfill failure.

Independent supporting member 26 can also be set in two tool halfs 2,3, such as can be in two tool halfs 2,3 It is upper that identical supporting member 26 is set, the supporting member 26 of not same-action can also be alternately set.Additionally can be with wherein one The supporting member 26 of 27 form of sleeve part is set or can arranged in a tool half 2 or 3, and in another tool half 3,2 Upper setting being capable of arranging movable or swingable component 29,30 or insert 31.

In addition the spring arm 13 that this supporting member 26 is used to support the resetting spring 11 of different designs is can also use, especially This resetting spring with reference to described in Fig. 6 to 8.

The fixation on handheld tool 1 of this resetting spring 11 is realized by the arrangement of supporting member 26, and it is multiple if necessary The independent temporary transient failure of position spring 11.

In the supporting member 26 of sliding part is especially configured to, such as according to the view of Fig. 8, pass through the corresponding of bearing-surface Construction, the bearing-surface of such as wedge shape extension, can adjust the different pre- of resetting spring 11 according to the sliding position of supporting member 26 Tightly.

The above embodiment is used to explain the invention being integrally incorporated in the application, and the present invention is special at least through following technology Sign combination respectively carries out the prior art creative improvement, namely：

A kind of handheld tool 1, it is characterised in that bag-shaped depression 9,10, the reset are equipped between tool half 2,3 A part for spring 11 is located in the depression, which alsos for being fitted into bag-shaped depression 9,10 and in tool half 2,3 It can be imported during interconnection from handle side, and spring end 19 is so molded so that the spring end is connect by friction Close and/or shape engagement is retained in the correspondence forming part 16 being adapted of tool half 2,3.

A kind of handheld tool, it is characterised in that the resetting spring 11 is held only by spring arm 13 in region U is stacked On handheld tool 1, spring end 19 is so molded for this so that the spring end is connect by frictional engagement and/or shape Conjunction is retained in the correspondence forming part 16 being adapted of tool half 2,3, and spring arm 13 is met in spring section 12, institute State the handle side that spring section is arranged in spring arm 13.

A kind of handheld tool 1, it is characterised in that by realizing that friction connects relative to the mobilizable supporting member 26 of tool half Close and/or shape engages.

A kind of handheld tool, it is characterised in that the holding area of spring arm 13 is at least during handheld tool 1 closes It is overlapping with another tool half 2,3 along the direction observation of axis of oscillation x.

A kind of handheld tool, it is characterised in that open shape in the maximum of handheld tool 1 in the holding area of two spring arms 13 It is overlapping with another corresponding tool half along the direction observation of axis of oscillation x under state.

A kind of handheld tool, it is characterised in that two spring ends of resetting spring 11 in order to corresponding tool half 2nd, 16 collective effect of correspondence forming part being adapted on the leg 5,6 of 3 handle side, in tool half 2,3 from hinge Handle side completely or partially wrapped by tool half.

A kind of handheld tool, it is characterised in that resetting spring 11 is held by its own spring force.

A kind of handheld tool, it is characterised in that resetting spring 11 by the leg 5 of the handle side by tool half 2,3, Overcome in the planes of 6 tensionings its reset force towards the movement of handle side direction and it is decoupled with least one leg 5,6, and thus turn It is changed into invalid position.

A kind of handheld tool, it is characterised in that resetting spring 11 has the class for the number of turn that 1 is defined as in spring section 12 Like the shape of Ω, spring arm 13 crosses in the spring section 12, and/or preferably, resetting spring 11 possesses the number of turn The shape of at least 1 similar Ω.

A kind of handheld tool, it is characterised in that correspondence forming part 16 and spring end 19 on leg 5,6 are adapted Forming part relative to axis of oscillation x spacing be more than resetting spring 11 spring section 12 relative to axis of oscillation x spacing, Spring arm 13 crosses in the spring section 12.

A kind of handheld tool, it is characterised in that correspondence forming part 16 and spring end 19 on leg 5,6 are adapted Forming part relative to axis of oscillation x the spring section 12 for being smaller than resetting spring 11 relative to axis of oscillation x spacing, Spring arm 13 crosses in the spring section 12.

A kind of handheld tool, it is characterised in that be configured with protrusion in the tool half 2,3 for being stacked the handle side of region U Region 21, the elevated regions have along the surface of the Longitudinal extending of tool half 2,3, and the surface is associated with tool half 2nd, the spring section extended in 3 region.

A kind of handheld tool, it is characterised in that the elevated regions 21 are together with opposite with the surface other convex Play region 17 and construct the groove 22 extended along the extension section of tool half 2,3, the section of spring arm 13 is entrenched in the groove.

A kind of handheld tool, it is characterised in that the section of spring arm 13 deviates from axis of oscillation x towards tool half 2,3 The direction of free end there is bending section 23, the bending section is prolonged around the end regions 24 attached troops to a unit of elevated regions 21 Stretch.

A kind of handheld tool, it is characterised in that in tool half 2,3 be stacked beyond the U of region be only configured with upside it is recessed Fall into or downside is recessed, reach the depression from opposite tool half 2,3, spring end 19 is freely entrenched in institute overhangingly State in depression.

A kind of handheld tool, it is characterised in that the supporting member 26 is sleeve part 27.

A kind of handheld tool, it is characterised in that the supporting member 26 be in tool half 2,3 slidably or swingably Hinged component 29,30.

A kind of handheld tool, it is characterised in that the supporting member 26 is insert 31.

All disclosed features (and its being mutually combined) in itself have invention meaning or invention value.In disclosure herein In file, in the disclosure of affiliated/attached priority text (earlier application file) is also entirely included, also will for this Feature in the priority text is included in following claims.The feature of dependent claims is all for existing skill Art has the Curve guide impeller of independent invention meaning or value, it is particularly possible to proposes divisional application based on these dependent claims.

List of numerals

1 handheld tool

2 tool halfs

3 tool halfs

4 hinge pins

5 legs

6 legs

7 pliers

8 pliers

9 depressions

10 depressions

11 resetting springs

12 spring sections

13 spring arms

14 wrapping sections

15 undercut sections

16 correspond to forming part

17 elevated regions

18 convex shoulders

20 grooves

21 elevated regions

22 grooves

23 bending sections

24 end regions

25 inclined-planes

26 supporting members

27 sleeve parts

28 grooves

The component of 29 slips

The component of 30 swingable movements

31 inserts

32 cylindrical sections

33 holes

34 head sections

35 compression springs

36 depressions

U is stacked region

X axiss of oscillation

Claims (19)

1. the handheld tool of a kind of handheld tool (1), especially pliers, scissors or similar type, it has two in hinge area The arrangement that intersects in domain and surround the instrument that is swingably connected with each other of axis of oscillation (x) as necessary by hinge pin (4) Half portion (2,3), wherein, tool half (2,3) forms mouth (7,8) in the side of hinge, and is formed in the opposite side of hinge Handle, in addition wherein, tool half (2,3) stackedly extend being stacked in region (U) each other in the region of hinge, and Be disposed with the handle side of tool half (2,3) between the leg of tool half (2,3) (5,6) by tool half (2, 3) resetting spring (11) that is being acted in the plane of leg (the 5,6) tensioning of handle side and supporting open movement, the reset Spring possesses the spring arm (13) of spring end (19), and in addition wherein, resetting spring (11) is partly in the instrument of upside Extension in region (U) is stacked between half portion (2,3) and the tool half (3,2) of downside, and axis of oscillation (x) is positioned at reset Beyond the profile of spring (11), it is characterised in that bag-shaped depression (9,10) is equipped between tool half (2,3), it is described multiple A part for position spring (11) is located in the depression, which alsos for being fitted into bag-shaped depression (9,10) and in instrument half Portion (2,3) can import when being connected with each other from handle side, and spring end (19) is so molded so that the spring end leads to Cross frictional engagement and/or shape engagement is retained in the correspondence forming part (16) being adapted of tool half (2,3).

2. the technical characteristic of preamble according to claim 1 or handheld tool according to claim 1, its feature exist It is retained in, the resetting spring (11) only by spring arm (13) on handheld tool (1) being stacked in region (U), for this bullet Spring end (19) so be molded so that the spring end by be frictionally engaged and/or shape engagement be retained on tool half (2, 3) in the correspondence forming part (16) being adapted, and spring arm (13) is met in spring section (12), the spring section It is arranged in the handle side of spring arm (13).

3. the handheld tool of a kind of handheld tool (1), especially pliers, scissors or similar type, it has two in hinge area The arrangement that intersects in domain and surround the instrument that is swingably connected with each other of axis of oscillation (x) as necessary by hinge pin (4) Half portion (2,3), wherein, tool half (2,3) forms mouth (7,8) in the side of hinge, and is formed in the opposite side of hinge Handle, wherein, be disposed with the handle side of tool half (2,3) between the leg of tool half (2,3) (5,6) by Resetting spring that is being acted in the plane of leg (the 5,6) tensioning of the handle side of tool half (2,3) and supporting open movement (11), the resetting spring possesses the spring arm (13) of spring end (19), and spring end (19) is so molded, and is made The spring end by be frictionally engaged and/or shape engagement be retained on the correspondence being adapted of tool half (2,3) into In type portion (16), it is characterised in that by realizing frictional engagement and/or shape relative to the mobilizable supporting member of tool half (26) Shape engages.

4. the handheld tool according to any one of the claims, it is characterised in that the holding area of spring arm (13) The direction observation along axis of oscillation (x) and another tool half (2,3) weight at least during handheld tool (1) closes It is folded.

5. the handheld tool according to any one of the claims, it is characterised in that the fixing of two spring arms (13) Direction observation and corresponding another tool half of the region under the maximum open configuration of handheld tool (1) along axis of oscillation (x) It is overlapping.

6. the handheld tool according to any one of the claims, it is characterised in that two bullets of resetting spring (11) Spring end is for the correspondence forming part (16) being adapted on the leg (5,6) of the handle side with corresponding tool half (2,3) Collective effect, is completely or partially wrapped from hinge in the handle side of tool half (2,3) by tool half.

7. the handheld tool according to any one of the claims, it is characterised in that resetting spring (11) by its from Some spring forces are held.

8. the handheld tool according to any one of the claims, it is characterised in that resetting spring (11) by by Overcome its reset force towards the movement of handle side direction in the plane of leg (the 5,6) tensioning of the handle side of tool half (2,3) and It is decoupled with least one leg (5,6), and it is thereby converted to invalid position.

9. the handheld tool according to any one of the claims, it is characterised in that resetting spring (11) has in bullet The shape of the similar Ω of 1 number of turn is defined as in spring section (12), spring arm (13) crosses in the spring section (12), And/or preferably, resetting spring (11) possesses the shape that the number of turn is at least 1 similar Ω.

10. the handheld tool according to any one of the claims, it is characterised in that the correspondence on leg (5,6) Forming part (16) and the forming part being adapted of spring end (19) are more than resetting spring relative to the spacing of axis of oscillation (x) (11) relative to the spacing of axis of oscillation (x), spring arm (13) crosses spring section (12) in the spring section (12).

11. the handheld tool according to any one of the claims, it is characterised in that the correspondence on leg (5,6) Forming part (16) and the forming part being adapted of spring end (19) are smaller than resetting spring relative to axis of oscillation (x) (11) relative to the spacing of axis of oscillation (x), spring arm (13) crosses spring section (12) in the spring section (12).

12. the handheld tool according to any one of the claims, it is characterised in that be stacked the handle of region (U) Elevated regions (21) are configured with the tool half (2,3) of side, the elevated regions have to be prolonged along the longitudinal direction of tool half (2,3) The surface stretched, the surface are associated with the spring section extended in the region of tool half (2,3).

13. the handheld tool according to any one of the claims, it is characterised in that the elevated regions (21) together with The other elevated regions (17) opposite with the surface construct the groove along the extension section extension of tool half (2,3) (22), the section of spring arm (13) is entrenched in the groove.

14. the handheld tool according to any one of the claims, it is characterised in that the section direction of spring arm (13) The direction of the free end away from axis of oscillation (x) of tool half (2,3) has bending section (23), and the bending section is around excess convexity Play the end regions (24) the attached troops to a unit extension of region (21).

15. the handheld tool according to any one of the claims, it is characterised in that in tool half (2,3) It is stacked beyond region (U) and is only configured with upside depression or downside depression, it is reachable described recessed from opposite tool half (2,3) Fall into, spring end (19) is freely entrenched in the depression overhangingly.

16. the handheld tool according to any one of the claims, it is characterised in that the supporting member (26) is sleeve Part (27).

17. the handheld tool according to any one of the claims, it is characterised in that the supporting member (26) is in work Has component (29,30) slidably or swingably hinged in half portion (2,3).

18. the handheld tool according to any one of the claims, it is characterised in that the supporting member (26) is insertion Part (31).

A kind of 19. handheld tool, it is characterised in that one or more specified features of any one of the claims.