CN201279779Y

CN201279779Y - Folding knife

Info

Publication number: CN201279779Y
Application number: CNU2008201360409U
Authority: CN
Inventors: 杨铭俊
Original assignee: ANJIANG PRECISION Inc
Current assignee: ANJIANG PRECISION Inc
Priority date: 2008-09-26
Filing date: 2008-09-26
Publication date: 2009-07-29
Anticipated expiration: 2018-09-26

Abstract

The utility model relates to a folding knife which includes a tool shank and a tool which is arranged on the tool shank and can move between a use position and a folding position. The folding knife is characterized by a tool sheath, which is arranged on the tool shank and can move between an unfolding position and a retracting position. When the tool moves to the retracting position, the tool sheath firstly moves to the unfolding position and cooperates with the tool shank for accommodating the tool; and when the tool moves to the use position, the tool sheath can retract into the tool shank, and the length of the whole tool is shortened.

Description

Jackknife

Technical field

The utility model is relevant with cutter, particularly about a kind of jackknife.

Background technology

General jackknife includes a handle of a knife and a cutter that is combined on the handle of a knife.Handle of a knife is provided with a groove, and when cutter inwardly after the upset, blade can enter in the groove, and the sub-fraction of only staying the knife back is used for pulling out cutter next time outside.Another kind is called switchblade, but in the cutter straight line indentation handle of a knife, and the compression spring.In the time will using, only need push the button on the handle of a knife, allow spring that cutter is ejected handle of a knife.

No matter be jackknife or switchblade, the length of handle of a knife must be greater than cutter, like this cutter especially point of a knife can be contained in fully in the handle of a knife, to avoid dangerous.In fact, the length of handle of a knife only need be fit to hand and grip and to get final product, and too big or too little all have its shortcoming.Yet when the size of cutter was big, the size of handle of a knife also strengthened thereupon, weight is increased, and can influence operation.

Summary of the invention

At the problems referred to above, main purpose of the present utility model is to provide a kind of jackknife, and the length of handle of a knife need not increase along with the length of cutter, but still can coat all blades and point of a knife after the folding partly.

For achieving the above object, a kind of jackknife provided by the utility model, it includes: a handle of a knife, one cutter that is arranged at described handle of a knife and can moves between a use location and collapsed position is characterized in that: one be arranged at described handle of a knife and can be between an expanded position and stowed position mobile sheath.

In the above-mentioned the technical solution of the utility model, described handle of a knife is provided with an elasticity releasing section, can abut against described cutter after described cutter moves to described expanded position.

In the above-mentioned the technical solution of the utility model, described handle of a knife is provided with a guide rod, is arranged with a spring on it, and described sheath is provided with a guide hole.

In the above-mentioned the technical solution of the utility model, the length of the described spring under normal condition is greater than the length of described guide rod.

In the above-mentioned the technical solution of the utility model, described handle of a knife is provided with one first snapping portion and one second snapping portion, described sheath is provided with a fastener, when described sheath moved to described expanded position and described stowed position, described fastener can be respectively and described first snapping portion and the described second snapping portion snapping.

In the above-mentioned the technical solution of the utility model, the described first snapping portion is an elongated hole, and the one end has an inclined-plane.

In the above-mentioned the technical solution of the utility model, described sheath is provided with a stopper.

In the above-mentioned the technical solution of the utility model, has an inclined-plane on the described stopper.

In the above-mentioned the technical solution of the utility model, also include an inside slightly spring of the described sheath of pushing and pressing.

In the above-mentioned the technical solution of the utility model, described sheath has a guide block, and described spring contact is between described guide block and described handle of a knife.

Adopt technique scheme, the utility model is when moving to stowed position with cutter, and sheath can move to expanded position earlier, accommodates cutter with collaborative handle of a knife; When cutter was moved to the use location, sheath can be taken in the handle of a knife, to reduce the length of whole cutter.

Description of drawings

Fig. 1 is a stereogram of the present utility model, does not wherein show second inner panel;

Fig. 2 is a front view of the present utility model, but does not show second inner panel and second outside plate, and wherein cutter spacing is in the use location, and sheath is positioned at stowed position;

Fig. 3 is a front view of the present utility model, but does not show second inner panel and second outside plate, and wherein cutter spacing is in collapsed position, and sheath is positioned at expanded position;

Fig. 4 is a upward view of the present utility model, shows the relation between second guide block of groove, spring and sheath of second outside plate;

Fig. 5, Fig. 6 are upward views of the present utility model, show the effect of elasticity release piece, but do not show second inner panel and second outside plate;

Fig. 7 to Fig. 9 is a partial schematic diagram of the present utility model, shows the stopper of sheath and the relation of cutter.

The specific embodiment

In order to describe structure of the present utility model, characteristics and effect in detail, existing following preferred embodiment of act and conjunction with figs. are described as follows.

As Fig. 1～shown in Figure 5, the jackknife that the utility model one preferred embodiment is provided mainly is made up of a handle of a knife 10, a sheath 42 and a cutter 62.

Handle of a knife 10 mainly is by one first outside plate 12, one first

inner panel

14,16 1 second inner panels 18 of top board and one second outside plate 20 (as shown in Figure 4) and connects formation.Between first inner panel 14, top board 16 and second inner panel 18, form the space that Open Side Down.The bottom surface of top board 16 has a recess, and a guide rod 22 is arranged in this recess, and its front end is fixed in top board 16, and the rear end is hanging shape.A spring 24 is set on the guide rod 22, and its length under normal condition is greater than the length of guide rod 22.First inner panel 14 is a sheet metal, has one first snapping portion 26 and one second snapping portion 28, and the two is located on the same line.The first snapping portion 26 is an elongated hole, and the leading flank of this elongated hole is provided with inclined-plane 30.And the second snapping portion 28 is a protuberance.Be provided with an elasticity releasing section 32 in the front side of the second snapping portion 28, it is a free end of first inner panel 14, and releasing section 32 slightly outwards sticks up under the normal condition, and can inwardly be pushed (as Fig. 4, shown in Figure 5).Second inner panel 18 is provided with two parallel elongated slots, first guide groove 34 and second guide groove 36.Second inner panel 18 also has a breach 38, allows outside elasticity releasing section 32 is exposed to.The inboard of second outside plate 20 has a groove 40, corresponding to second guide groove 36 of second inner panel 18.

Sheath 42 has a room that Open Side Down 44, and the rear end of room 44 openings has a stopper 46, and the front end of stopper 46 has an inclined-plane 48 (as shown in Figure 6).The front end upside of sheath 42 is provided with a guide hole 50, and guide rod 22 can be passed.The lateral surface of sheath 42 is provided with one first guide block 52, second guide block 54 and one the 3rd guide block 56, wherein second guide block 54 and the 3rd guide block 56 on same straight line, and the 3rd guide block 56 to the second guide blocks 54 height.First guide groove 34, the second and the

3rd guide block

54,56 that first guide block 54 is located on second inner panel 18 then are located in second guide groove 36.As shown in Figure 4, the 3rd guide block 56 also stretches in the groove 40 of second outside plate 20, and is provided with a spring 58 in groove 40, and the side of contact the 3rd guide block 56 and groove 40 is inside with pushing and pressing sheath 42.One fastener 60 is the pole that a front end has hook portion, is arranged at the front end of sheath 42.

Sheath 42 can move between an expanded position (as shown in Figure 3) and a stowed position (as shown in Figure 2).When sheath 42 is positioned at expanded position, sheath 42 is stretched out by the rear end of handle of a knife 10, first guide block 52 and second guide block 54 lay respectively at the outermost of first guide groove 34 and second guide groove 36, and fastener 60 and the first snapping portion, 26 fastenings, make sheath 42 be fixed in expanded position.When the user inwardly promotes sheath 42, fastener 60 just can be along the inclined-plane 30 leaves the first snapping portion 26, and guide rod 22 can enter the guide hole 50 of sheath 42, and compression spring 24, and then arrives stowed position.At this moment, sheath 42 can enter the space in the handle of a knife 10, and fastener 60 can combine with the second snapping portion 28, makes sheath 42 be fixed in stowed position.

As Fig. 5 and shown in Figure 6, as needs sheath 42 is moved to expanded position by stowed position, only need push elasticity releasing section 32, to move the second snapping portion 28 the second snapping portion 28 is separated with fastener 60, at this moment, just spring 24 can promote sheath 42 to expanded position.

The rear end of cutter 62 utilizes a rivet to be articulated on first inner panel 14 of handle of a knife 10, can overturn between a use location (as shown in Figure 2) and a collapsed position (as shown in Figure 3).When cutter 62 turn to the use location, cutter 62 stretched out the front end of handle of a knife 10, and elasticity releasing section 32 can be resisted against the rear end of cutter 62, so that cutter 62 is fixed on the use location.At this moment, sheath 42 is movable to stowed position, to shorten the length overall of whole cutter.

When needs folding cutter 62, the user need push elasticity releasing section 32 earlier, as Fig. 5, shown in Figure 6, allow elasticity releasing section 32 no longer against the rear end of cutter 62, so cutter 62 can inwardly overturn.And when pushing elasticity releasing section 32, also allow sheath 42 automatically by the stowed position bullet to expanded position.When continuing upset cutter 62, cutter 62 just can enter in the room 44 of the space of handle of a knife 10 and sheath 42.

As shown in Figure 7, when cutter 62 will enter sheath 42, the point of a knife of cutter 62 is the stopper 46 of contact sheath 42 earlier, and sheath 42 is outwards promoted, and cutter 62 can be entered in the room 44.After cutter 62 entered room 44, spring 58 can inwardly promote sheath 42 again, made stopper 46 move to the below of point of a knife, as shown in Figure 8, can prevent that so cutter 62 accidents from leaving sheath 42.When using cutter 62 if desired, only need the application of force that cutter 62 is outwards overturn.As shown in Figure 9, the point of a knife of cutter 62 at first can act on the inclined-plane 48 of stopper 46, and sheath 42 is outwards moved, and cutter relieving 62 can break away from sheath 42.Continue upset and just can arrive expanded position.After cutter 42 arrived expanded position, elasticity release piece 32 just can be upspring automatically, to abut against the rear end of cutter 62, cutter 62 is fixed in expanded position.

Comprehensive above explanation the invention provides a flexible sheath as can be known, when the cutter folding, and the extending cutter of accommodating of sheath.And after cutter is routed up use, but in the sheath retraction handle of a knife, to shorten the total length of whole cutter.

Claims

1, a kind of jackknife includes: a handle of a knife, and one is arranged at described handle of a knife and can it is characterized in that at mobile cutter between a use location and collapsed position:

One is arranged at described handle of a knife and can be at mobile sheath between an expanded position and stowed position.

2, jackknife as claimed in claim 1 is characterized in that: described handle of a knife is provided with an elasticity releasing section, can abut against described cutter after described cutter moves to described expanded position.

3, jackknife as claimed in claim 1 is characterized in that: described handle of a knife is provided with a guide rod, is arranged with a spring on it, and described sheath is provided with a guide hole.

4, jackknife as claimed in claim 3 is characterized in that: the length of the described spring under normal condition is greater than the length of described guide rod.

5, jackknife as claimed in claim 1, it is characterized in that: described handle of a knife is provided with one first snapping portion and one second snapping portion, described sheath is provided with a fastener, when described sheath moved to described expanded position and described stowed position, described fastener can be respectively and described first snapping portion and the described second snapping portion snapping.

6, jackknife as claimed in claim 5 is characterized in that: the described first snapping portion is an elongated hole, and the one end has an inclined-plane.

7, jackknife as claimed in claim 1 is characterized in that: described sheath is provided with a stopper.

8, jackknife as claimed in claim 7 is characterized in that: have an inclined-plane on the described stopper.

9, jackknife as claimed in claim 7 is characterized in that: also include an inside slightly spring of the described sheath of pushing and pressing.

10, jackknife as claimed in claim 9 is characterized in that: described sheath has a guide block, and described spring contact is between described guide block and described handle of a knife.