CN201092048Y

CN201092048Y - Multifunctional knife tool using safely

Info

Publication number: CN201092048Y
Application number: CNU2007200526718U
Authority: CN
Inventors: 蒋明基
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-12
Filing date: 2007-06-12
Publication date: 2008-07-30
Anticipated expiration: 2017-06-12

Abstract

The utility model discloses a multifunctional tool which can be safely used, which comprises a tool shank; two ends of the tool shank are respectively articulated with a tool blade; the tool shank is provided with a cutter groove which can hold the tool blade; the cutter groove is internally provided with a safety protection device by which the tool blade at one end of the tool shank is locked when the tool blade at the other end of the tool shank is opened. By arranging the safety protection device which can lead the tool blades at two ends of the tool shank to be interlocked, when the tool blade at one end is used, the tool blade at the other end is in the locked and safe state, thus avoiding the user from being damaged. Furthermore, a clapboard is arranged between the adjacent blades; an elastic sheet which can prevent the tool blade from being folded accidentally is arranged on the clapboard, thus leading the multifunctional tool to be safer for use; meanwhile, the clapboard is provided with a sliding trough which can hold a movable bolt so as to ensure the reliable sliding of the movable bolt and prevent the movable bolt form being dropped accidentally, thus ensuring the reliability of the safety protection device.

Description

A kind of multifunctional cutter safe in utilization

Technical field

The utility model relates to a kind of five metals cutter of daily life, particularly a kind of multifunctional cutter safe in utilization.

Technical background

Various multifunctional cutters are arranged at present on the market, and its structure normally realizes at the tool blade of the hinged multiple difference in functionality in the two ends of handle of a knife.This multifunctional cutter is convenient and practical; but; owing to there is not the design safety protective device; this multifunctional cutter has produced a problem inevitably; promptly wherein the tool blade of an end in the process of opening and using; original obsolete other end tool blade may accident be opened, thereby stabs or hurt the user.

The utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of multifunctional cutter safe in utilization is provided, and makes the tool blade that is hinged on the handle of a knife two ends in use realize interlocking.

The technical scheme that realizes the utility model technique effect is: a kind of multifunctional cutter safe in utilization; comprise handle of a knife; the two ends of handle of a knife are hinged with tool blade respectively; handle of a knife is provided with the cutter groove that holds these tool blades, it is characterized in that: be provided with in the described cutter groove when wherein the tool blade of an end is opened on the handle of a knife, the blocked safety guard of other end tool blade.

Specifically; described safety guard comprises the movable bolt that is arranged on the cutter trench bottom; position corresponding with movable bolt on the handle of a knife is provided with the chute that holds movable bolt; the end of described tool blade is provided with bayonet socket, drive division, fastening portion successively; described drive division in the tool blade rotary course driving activity bolt along the slippage of handle of a knife length direction, and the position of bayonet socket qualification activity bolt in chute on the fastening portion on this tool blade and the relative ending tool blade.When the tool blade Unscrew of an end wherein, drive division driving activity bolt on it moves to the other end along the handle of a knife length direction, after this tool blade is rotated in place, fastening portion on it is just in time corresponding to an end of movable bolt, and the other end of movable bolt engages with bayonet socket on the other end tool blade.In this case, even if the drive division of other end tool blade acts on this activity bolt, because thereby the two ends of movable bolt are limited and can not move by fastening portion and bayonet socket respectively, therefore make that this tool blade can not be from Unscrew in the cutter groove, thereby when realizing that an ending tool blade uses, other end tool blade is locked.Have only after the tool blade of opening folds, the fastening portion of this tool blade has removed the fastening to movable bolt, drive division on the other end tool blade just can move by driving activity bolt, thereby realize this tool blade Unscrew in the cutter groove, after this tool blade is opened, the fastening portion on it with movable bolt, fold bayonet socket on the tool blade and constitute locking the tool blade that folds.

Described tool blade comprises the cutting knife that is hinged on the handle of a knife front end at least and is hinged on the fruit knife of handle of a knife rear end.

As further improvement of the utility model, the end of described cutting knife and fruit knife is respectively equipped with anti-folding part, be provided with the dividing plate of fixedlying connected between cutting knife and the fruit knife with handle of a knife, described dividing plate is provided with respectively the shell fragment towards cutting knife and the perk of fruit knife side, when cutting knife or fruit knife were opened, the terminal overhead of corresponding shell fragment was on the anti-folding part of cutting knife or fruit knife.Anti-folding part is arranged between drive division and the fastening portion.

Further improve as of the present utility model, the described chute that holds movable bolt is arranged on dividing plate, and the length of chute is not less than under cutting knife and the fruit knife collapse state, the distance between the two tool blade upper latch notches.

Described cutting knife comprises the blade that is hinged on the handle of a knife, and the blade that flexibly connects with blade, and the outside of blade is provided with the blade cover.The blade back of described cutting knife is provided with flexible handle, and the blade of cutting knife is provided with recess, and an end of described flexible handle inserts in this recess, and the other end stretches out the blade outside.

Compared with prior art; the beneficial effects of the utility model are; by a safety guard that can make the tool blade interlocking of handle of a knife two ends is set; make when wherein an ending tool blade uses; the tool blade of the other end is in the safe condition of locking, thereby avoids the user to be subjected to unexpected injury.In addition, dividing plate is set between adjacent knife blades, and setting prevents the shell fragment that the tool blade accident is amounted on dividing plate, makes that the use of this multifunctional cutter is safer; The chute that holds movable bolt is set on dividing plate simultaneously, and the reliable slip of assurance activity bolt prevents that movable bolt accident from dropping out, thereby has guaranteed the reliability of safety guard.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model multifunctional cutter safe in utilization is further described:

Fig. 1 is the front view that fruit knife is opened, cutting knife folds of the utility model multifunctional cutter;

Fig. 2 is the cutaway view that fruit knife is opened, cutting knife folds of multifunctional cutter;

Fig. 3 is the cross-sectional view of handle of a knife;

Fig. 4 is the front view of dividing plate;

Fig. 5 is the cutaway view after handle of a knife, dividing plate, the assembling of movable bolt;

Fig. 6 is the vertical view of movable bolt among Fig. 5;

Fig. 7 is the front view of fruit knife;

Fig. 8 is the cutaway view that fruit knife is amounted to, cutting knife is opened of multifunctional cutter;

Fig. 9 is the front view of cutting knife.

The specific embodiment

Multifunctional cutter safe in utilization as shown in Figure 1 comprises handle of a knife 1, is hinged on the cutting knife 2 and the fruit knife 3 that is hinged on handle of a knife 1 rear end of handle of a knife 1 front end.To shown in Figure 9, be provided with the cutter groove 4 that holds cutting knife 2, fruit knife 3, dividing plate 5, movable bolt 6 as accompanying drawing 2 in the handle of a knife 1.Movable bolt 6 is installed in cutter groove 4 bottoms and the chute 53 between the dividing plate 5 of handle of a knife 1, the two ends broad of movable bolt 6, and mid portion is narrower, when moving for the bolt 6 that takes in sail in the time of mainly and the friction of cutter groove 4 sidewalls.The front and back of dividing plate 5 is respectively equipped with the

shell fragment

51,52 of outside perk, but the end at cutting knife 2 and fruit knife 3 is respectively equipped with the

anti-folding part

23,33 of overhead at

shell fragment

51,52 ends, prevent cutting knife 2 or fruit knife 3 in use accident turn back to cutter groove 1.When needs were regained cutting knife 2 or fruit knife 3, the overhead that 51 or 52 the lateral surface of pushing shrapnel is respectively removed cutting knife 2 or fruit knife 3 ends got final product.When this multifunctional cutter folded, the compression of the side of cropped respectively cutter 2 of

shell fragment

51 or 52 or fruit knife 3 also relied on dividing plate 5.

As shown in Figure 9, at the end of cutting knife 2,, begin to be provided with successively bayonet socket 21, drive division 22, anti-folding part 23, fastening portion 24 from the cutting knife bottom according to counterclockwise.As shown in Figure 7, at the end of fruit knife 3,, begin to be provided with successively bayonet socket 31, drive division 32, anti-folding part 33, fastening portion 34 from the fruit knife bottom according to clockwise direction.As accompanying drawing 2, Fig. 5, shown in Figure 8, be respectively equipped with two

blocks

54,55 at the two ends of dividing plate 5, they form the chute 53 that holds movable bolt 6 with dividing plate 5 and cutter groove 4, and movable bolt 6 can be free to slide in chute 53.As shown in Figure 5, on dividing plate 5, the bottom of chute 53 also is provided with the clearance position 56 of reducing friction.When cutting knife 2 and fruit knife 3 were all amounted to cutter groove 4 in, the bayonet socket 21 on the cutting knife 2 alignd with two

blocks

54,55 respectively with bayonet socket 31 on the fruit knife 3, and the user can select to open cutting knife 2 or open fruit knife 3 at this moment.As shown in Figure 8, when the user need use cutting knife 2, rotation cutting knife 2, drive division 22 driving activity bolts 6 on the cutting knife 2 move to chute 53 rear ends, when cutting knife 2 open put in place after, fastening portion 24 on the cutting knife 2 is just in time corresponding to the front end of movable bolt 6, and the rear end of movable bolt 6 engages with the bayonet socket 31 of fruit knife 3.In this case, if want to open fruit knife 3, because the fastening portion 24 of the cropped cutter 2 of the two ends of movable bolt 6 difference and the bayonet socket 31 of fruit knife 3 limit, thereby can not move, therefore the drive division 32 of fruit knife 3 can not move by driving activity bolt 6, therefore fruit knife 3 can not be from Unscrews in the cutter groove 4, thereby when the cutting knife 2 of handle of a knife 1 front end opened and used, the fruit knife of handle of a knife 1 rear end 3 was locked and can not open.As shown in Figure 2, have only after the cutting knife of opening 2 folds, when the fastening portion 24 of cutting knife 2 has removed the fastening of movable bolt 6, drive division 32 on the fruit knife 3 just can driving activity bolt 6 towards cutting knife 2 one side shiftings, thereby realize that this fruit knife 3 is from cutter groove 4 interior Unscrews, after fruit knife 3 was opened, the bayonet socket 21 of the fastening portion 34 on it on movable bolt 6, cutting knife 2 constituted the locking to cutting knife 2.Wherein, bayonet socket 21 on the cutting knife 2 and the distance between the fastening portion 34 on the fruit knife 3 equal or are slightly larger than the length of movable bolt 6, and can not rotate with the drive division 32 on drive division on the cutting knife 2 22 or the fruit knife 3 and to cross movable bolt 6 and be advisable.

The chute 53 that holds movable bolt 6 also can be set directly on the handle of a knife 1 as required, simultaneously also can be as required at the hinged side by side tool blade more than two or two of the front end of handle of a knife, like this when handle of a knife one end wherein one in use tool blade, all tool blades of the handle of a knife other end all can not be opened, and prevent from user's hand is caused unexpected injury.

As shown in Figure 8, cutting knife 2 comprises blade 2a that is hinged on the handle of a knife 1 and the blade 2b that flexibly connects with blade 2a, and the outside of blade 2b is provided with blade cover 2c.The blade 2a back of cutting knife 2 is provided with flexible handle 7, and flexible handle 7 flexibly connects with blade 2a, and the blade 2b of cutting knife 2 is provided with recess 8, and an end of flexible handle 7 inserts in this recess 8, and the other end stretches out blade 2a outside.When needing to change blade 2b, the exposed parts of upwards lifting flexible handle 7 gets final product its recess 8 that breaks away from blade 2b.When the blade 2b of cutting knife 2 does not use, can overlap cutter cover 2c, prevent to hurt the user.

Claims

1. multifunctional cutter safe in utilization; comprise handle of a knife (1); the two ends of handle of a knife (1) are hinged with tool blade respectively; handle of a knife (1) is provided with the cutter groove (4) that holds these tool blades; it is characterized in that: be provided with safety guard in the described cutter groove (4); described safety guard comprises the movable bolt (6) that is arranged on cutter groove (4) bottom; handle of a knife (1) is gone up the position corresponding with movable bolt (6) and is provided with the chute (53) that holds movable bolt (6); the end of described tool blade is provided with bayonet socket (21 or 31) successively; drive division (22 or 32); fastening portion (24 or 34); described drive division (22 or 4) in the tool blade rotary course driving activity bolt (6) along handle of a knife (1) length direction slippage, and the position of bayonet socket (31 or 21) qualification activity bolts (6) in chute (53) on the fastening portion on this tool blade (24 or 34) and the relative ending tool blade.

2. according to the described multifunctional cutter safe in utilization of claim 1, it is characterized in that: described tool blade comprises the cutting knife (2) that is hinged on handle of a knife (1) front end at least and is hinged on the fruit knife (3) of handle of a knife (1) rear end.

3. according to the described multifunctional cutter safe in utilization of claim 2, it is characterized in that: described cutting knife (2) is respectively equipped with anti-folding part (23,33) with the end of fruit knife (3), be provided with the dividing plate (5) that is connected with handle of a knife (1) between cutting knife (2) and the fruit knife (3), described dividing plate (5) is provided with respectively the shell fragment (51,52) towards cutting knife (2) and fruit knife (3) side perk, when opening, the corresponding terminal overhead of shell fragment (51 or 52) is on the anti-folding part (23 or 33) of cutting knife (2) or fruit knife (3) at cutting knife (2) or fruit knife (3).

4. according to the described multifunctional cutter safe in utilization of claim 3, it is characterized in that: the described chute (53) that holds movable bolt (6) is arranged on the dividing plate (5), and the length of chute (53) is not less than under cutting knife (2) and fruit knife (3) collapse state, the distance between their bayonet socket (21,31).

5. according to the described multifunctional cutter safe in utilization of claim 3, it is characterized in that: described anti-folding part is arranged between drive division and the fastening portion.

6. according to claim 2 or 3 described multifunctional cutters safe in utilization, it is characterized in that: described cutting knife (2) comprises blade (2a) that is hinged on the handle of a knife (1) and the blade (2b) that flexibly connects with blade (2a), and the outside of blade (2b) is provided with blade cover (2c).

7. according to the described multifunctional cutter safe in utilization of claim 6, it is characterized in that: blade (2a) back of described cutting knife (2) is provided with flexible handle (7), the blade (2b) of cutting knife (2) is provided with recess (8), one end of described flexible handle (7) inserts in this recess (8), and the other end stretches out blade (2a) outside.