CN2780422Y

CN2780422Y - Folding knife with finger hole

Info

Publication number: CN2780422Y
Application number: CN 200520068432
Authority: CN
Inventors: 顾志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-20
Filing date: 2005-01-20
Publication date: 2006-05-17
Anticipated expiration: 2015-01-20

Abstract

The utility model discloses a folding knife with a finger hole, wherein the cutting edge of the knife can be stably positioned, and a finger hole helpful for acting force is arranged on a handle with reliable gripping. The utility model comprises a handle (19) and a knife body (3), wherein the handle (19) is mainly composed of an upper slice (1) and a lower slice (2) of which the external shape is matched with that of the upper slice (1), and the upper slice (1) is connected with the lower slice (2) by a connection piece (4) passing through the upper slice (1) and the lower slice (2); a knife slit (14) is arranged on the side of a connector opposing to the cutting edge of the knife body (3); one end of the knife body (3) is pivoted on a pivot (8) which passes through the same end of the upper slice (1) and the lower slice (2), and is positioned between the upper slice (1) and the lower slice (2). The utility model is characterized in that the pivot (8) is provided with a through hole (801). The utility model has the advantages of novel structure, convenient operation and safe reliability.

Description

The jack knife of band finger-hole

Technical field

The utility model relates to the jack knife in a kind of daily living article, and it both can be used as instrument and has used, and also can be used as the art collection product, specifically a kind of jack knife with finger-hole.

Background technology

At present, all folding its handle portions of pocket knife and knife edge part all articulate by having bearing pin, grasp handle part when opening and using, there are two problems in the jack knife of this structure, the one, no blade duty positioning function, security is relatively poor, must be noted that power thrusts during use, must apply a power identical with opening direction could use safely, otherwise be easy to return the hand that damages the user because of blade, particularly need use the occasion of point of a knife work because of the difficult control of the power thrusts of point of a knife, the easier hand accident of hindering at some; The 2nd, the grasping inconvenience, during grasping member, finger can't be exerted oneself, and catches handle by user's grip fully, and in general, the pulling force of human body forefinger will be far longer than its grip, therefore firmly the time, it is very painstaking that the user can feel, when using fast as meeting obstructions when big, be easy to make hand and handle to separate, cause unnecessary loss or trouble.Still do not have a kind of blade position that can make in the market and when opening, be in firm lock-out state, guarantee safe in utilizationly, have again and be convenient to forefinger and stretch into the jack knife that handle part plays auxiliary finger-hole firmly and come out.

Summary of the invention

The purpose of this utility model is the problem that exists at prior art, design a kind of blade can strong fix and on handle, have auxiliary firmly finger-hole, grip more reliably jack knife with finger-hole.

The technical solution of the utility model is:

A kind of jack knife with finger-hole, comprise handle 19 and cutter hub 3, handle 19 mainly by last slice 1, match with last slice 1 profile following 2 form, last slice 1 link to each other by the connector 4 that passes them with following sheet 2, the one side that handle 19 is relative with the blade of cutter hub 3 is provided with cutter groove 14, one end of cutter hub 3 be journaled into pass slice 1 and the pivot 8 of following sheet 2 same ends on and between last 1 and following sheet 2, it is characterized in that pivot 8 is provided with through hole 801.

The utility model has also been taked following technical measures:

The aperture of through hole 801 is 15-25mm, and the finger that approximates the people refers to the footpath.

The end that cutter hub 3 links to each other with pivot 8 is provided with the location arc groove 11 that matches with pivot 8, and location arc groove 11 is equipped with bearing pin 22 near in the ends of the edge of a knife, two ends of bearing pin 22 respectively with last slice 1 and following sheet 2 be fixedly linked.

Elasticity spacer 13 is installed in cutter groove 14, one end of elasticity spacer 13 and last slice 1 or down the medial surface of sheet 2 be fixedly linked, correspondingly be processed with locating surface 12 on cutter hub 3 and a end that pivot 8 links to each other, the other end of elasticity spacer 13 is relative with locating surface 12.

One end of elasticity spacer 13 and last slice 1 or down the medial surface of sheet 2 be fixedly linked, the other end is sleeved on the pivot 8, is being provided with elastic opening end 15 with locating surface 12 relative position places.

Exceeding last slice 1 or the moving tooth 16 of sheet 2 corresponding sites down near being provided with on the elasticity spacer 13 of elastic opening end 15, so that with 15 groups at the elastic opening end of elasticity spacer 13 from locating surface 12, cutter hub 3 can be rotated along pivot 8, thereby the knife edge part of cutter hub 3 is placed cutter groove 14.

Pivot 8 is for having the column structure of through hole 801, and the post jamb of its two end is dentation (side's of can be tooth, stepped tooth or pointed tooth) structure, correspondingly also is provided with the dentation through hole 5,6 that matches with its shape on last 1 and following sheet 2.

Pivot 8 mainly is made up of column structure spare 802,803, and column structure spare 802,803 links to each other by screw thread, and its center is provided with through hole 801.

Last 1, down all correspondingly have the lightening hole 17 that matches on sheet 2, the elasticity spacer 13.

Have lightening hole 28 on the cutter hub 3, this lightening hole 28 had both played the purpose of the weight that alleviates cutter hub 3, the unlatching when helping the utility model use simultaneously.

The beneficial effects of the utility model:

1, novel structure, safe in utilization, convenient, the accident of damage staff does not take place in the time of can not producing improper folding.

Rely on the effect of elasticity spacer can make cutter hub be stabilized in user mode when 2, cutter hub is opened, no matter cutter hub or nose part branch are applied the active force of any direction, cutter hub all can not got back to folding state automatically.

3, be provided with at the position that handle and cutter hub are articulated and be convenient to forefinger and stretch into auxiliary finger-hole firmly, not only part convenient to grasp is strong, and is to the major transformation of traditional solid pin structure, has stronger feeling of freshness.

4, simple in structure, manufacturing, easy for installation.

5, both can be made into practical tool, also can be used as handicraft for collector's collection, appreciation.

Description of drawings

Fig. 1 is the structural representation of the utility model folding state.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is a user mode structural representation of the present utility model.

Fig. 4 is that the B of Fig. 3 is to view.

Fig. 5 is last slice structural representation of 1 of the present utility model.

Fig. 6 is the structural representation of sheet 2 down of the present utility model.

Fig. 7 is the structural representation of elasticity spacer 13 of the present utility model.

Fig. 8 is the structural representation of cutter hub 3 of the present utility model.

Fig. 9 be pivot 8 of the present utility model structural representation it.

Figure 10 is the plan structure schematic diagram of Fig. 9.

Figure 11 is the structural representation of the cushion block 20 among the utility model embodiment.

Figure 12 is the structural representation of the technology pad 21 among the utility model embodiment.

Figure 13 is the decomposition texture schematic diagram of Fig. 3.

Figure 14 be pivot 8 of the present utility model structural representation two.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Shown in Fig. 1～13.

A kind of jack knife with finger-hole, comprise handle 19 and cutter hub 3, handle 19 is mainly by last slice 1, form for following 2 that matches with last slice 1 profile, last slice 1 and following sheet 2 (can be rivet by the some connectors 4 that pass them, also can be screw) link to each other, its connector (being handle 19) one side relative with the blade of cutter hub 3 is provided with cutter groove 14 (as Fig. 2, shown in 4), between last 1 and following sheet 2, clamped cushion block 20 (as shown in figure 11) between the one side relative with cutter groove 14, the profile of cushion block 20 and last, following

sheet

2,2 match, it is also by corresponding connector 4 and last, following

sheet

2,2 link to each other, during concrete enforcement, pad 20 also can with last slice 1 or down sheet 2 make an overall structure.One end of cutter hub 3 be journaled into pass slice 1 and the pivot that has through hole 801 8 of following sheet 2 same ends on and between last 1 and following sheet 2, the aperture of through hole 801 can be selected between 15-25mm, its size approximates the finger footpath of people's hand finger, the pivot 8 of present embodiment adopts as Fig. 9, structure shown in 10, pivot 8 is for having the column structure of through hole 801, the post jamb of its two end is the dentalation (side's of can be tooth, stepped tooth, pointed tooth or other heteromorphic teeth, be that example is illustrated below with the square shaped teeth, other profile of tooth similarly), last slice 1 and following sheet 2 clamp be equipped with on the same end of cutter hub 3 be convenient to point pass through and Fig. 9, the dentation through hole 5 of the band square shaped teeth that pivot 8 structures shown in 10 match, 6 (as Fig. 5, shown in 6), this dentation through hole 5,6 square double wedge, 7 cards are inserted on the pivot 8 in the corresponding groove 9 (as Fig. 9, shown in 10), cutter hub 3 is provided with the hole 10 (as Fig. 8) that matches with pivot 8 external diameters and is journaled on the pivot 8 on the end between last 1 and the following sheet 2,10 the outside also is provided with guide-localization arc groove 11 in the hole, bearing pin 22 passes this guide-localization arc groove 11, its two ends respectively with last slice 1, following sheet 2 is fixedly linked; Cutter hub 3 also is provided with locating surface 12 on the end between last 1 and the following sheet 2, last slice 1 and following sheet 2 between the elasticity spacer 13 that matches with its profile, also link to each other with last slice 1 (or sheet 2) down by connector 4 is installed (as shown in Figure 7, available slim steel spring plate manufacturing), one end of elasticity spacer 13 is sleeved on the pivot 8, and the elastic opening end 15 of elasticity spacer 13 is relative with locating surface 12.

Near being provided with the moving tooth 16 (shown in Fig. 1,3) that exceeds last slice 1 (or sheet 2) down corresponding site on the elasticity spacer 13 of elastic opening end 15, so that with 15 groups at the elastic opening end of elasticity spacer 13 from locating surface 12, cutter hub 3 can be rotated along pivot 8, thereby the knife edge part of cutter hub 3 is placed cutter groove 14.

Last slice 1, all correspondingly have the lightening hole 17 that matches on sheet 2, the elasticity spacer 13 down.

For the ease of batch process and attractive in appearance, during concrete enforcement can is not connected with the inboard of elasticity spacer 13 contacted sheets 2 down (or last slice 1) one with elasticity spacer 13 uniform thickness, and the technology pad 21 that matches of its profile, also have corresponding lightening hole 17 (as shown in figure 12) on it, one end of this technology pad 21 also is sleeved on the pivot 8, when specifically implementing this technology pad 21 also can with corresponding last slice 1 or down sheet 2 make an overall structure.

Figure 12 is the decomposition texture schematic diagram of present embodiment.

During concrete enforcement, pivot 8 also can adopt the structural member of being made up of column structure spare 802,803 as shown in figure 14, and column structure spare 802,803 is continuous by screw thread, and its center is provided with through hole 801, and remainder all can be identical with the above.

The course of work of the present utility model is:

As shown in Figure 1, 2, during folding state, the elastic opening end 15 of elasticity spacer 13 leaves the locating surface 12 on the cutter hub 3, so the knife edge part of cutter hub 13 can place cutter groove 14, one end of the close locating surface 12 of the guide-localization arc groove 11 on this moment bearing pin 22 and the cutter hub 3 contacts, and also is subjected to its control and can unrestrictedly enter in the cutter groove 14 so blade enters position in the cutter groove 14.When opening, the lightening hole 18 on the available finger pulling cutter hub 3 or the knife back of direct pull cutter hub 3 make blade leave cutter groove 14, at this moment, cutter hub 3 can rotate around pivot 8 under external force drives, in rotating process, be subjected to the constraint of bearing pin 22 simultaneously, when bearing pin 22 contacts with the other end of guide-localization arc groove 11, cutter hub is in maximum open mode, meanwhile, elastic opening end 15 on the elasticity spacer 13 just in time leave the garden segmental arc and under the elastic force effect with cutter hub 3 on locating surface 12 offset, cutter hub can not clockwise rotate under the double action of bearing pin 22 and elastic opening end 15, can not rotate counterclockwise, thereby the realization strong fix, its state such as Fig. 3, shown in 4.

When needs folding cutter hub 3, can make elastic opening end 15 on the elasticity spacer 13 leave locating surface 12 to paste mutually by stirring moving tooth 16 on the elasticity spacer 13 with the inner surface of corresponding last slice 1 (or sheet 2) down, pull cutter hub 3 in the other direction with hand, its folding can be become the state shown in Fig. 1,2.

Claims

1, a kind of jack knife with finger-hole, comprise handle (19) and cutter hub (3), following (2) that handle (19) mainly matches by last slice (1), with last slice (1) profile are formed, last slice (1) links to each other by the connector (4) that passes them with following sheet (2), the one side that handle (19) is relative with the blade of cutter hub (3) is provided with cutter groove (14), one end of cutter hub (3) is journaled on the pivot (8) that passes slice (1) and the same end of following sheet (2) and is positioned between slice (1) and the following sheet (2), it is characterized in that pivot (8) is provided with through hole (801).

2, the jack knife of band finger-hole according to claim 1, the aperture that it is characterized in that described through hole (801) is 15-25mm.

3, the jack knife of band finger-hole according to claim 1, it is characterized in that the end that cutter hub (3) links to each other with pivot (8) is provided with the location arc groove (11) that matches with pivot (8), location arc groove (11) is near being equipped with bearing pin (22) in the end of the edge of a knife, and two ends of bearing pin (22) are fixedly linked with last slice (1) and following sheet (2) respectively.

4, the jack knife of band finger-hole according to claim 1, it is characterized in that in cutter groove (14), being equipped with elasticity spacer (13), one end of elasticity spacer (13) and last slice (1) or down the medial surface of sheet (2) be fixedly linked, correspondingly be processed with locating surface (12) on cutter hub (3) and a end that pivot (8) links to each other, the other end of elasticity spacer (13) is relative with locating surface (12).

5, the jack knife of band finger-hole according to claim 4, it is characterized in that an end of elasticity spacer (13) and last slice (1) or down the medial surface of sheet (2) be fixedly linked, the other end is sleeved on the pivot (8), is being provided with elastic opening end (15) with locating surface (12) relative position place.

6, the jack knife of band finger-hole according to claim 5 is characterized in that elasticity spacer (13) near elastic opening end (15) is provided with and exceeds last slice (1) or the moving tooth (16) of sheet (2) corresponding site down.

7, the jack knife of band finger-hole according to claim 1, it is characterized in that described pivot (8) is for having the column structure of through hole (801), the post jamb of its two end is dentalation, correspondingly also is provided with dentation through hole (5), (6) that match with its shape on last (1) and following sheet (2).

8, the jack knife of band finger-hole according to claim 1 is characterized in that described pivot (8) mainly is made up of column structure spare (802), (803), and column structure spare (802), (803) link to each other by screw thread, and its center is provided with through hole (801).

9,, it is characterized in that last (1), all correspondingly have the lightening hole (17) that matches on sheet (2), the elasticity spacer (13) down according to claim 1 or 5 with the jack knife of finger-hole.

10, the jack knife of band finger-hole according to claim 1 is characterized in that having on the cutter hub (3) lightening hole (28).