CN200995407Y

CN200995407Y - Safety trimming cutter

Info

Publication number: CN200995407Y
Application number: CN 200720047493
Authority: CN
Inventors: 蒋明基
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-17
Filing date: 2007-01-17
Publication date: 2007-12-26
Anticipated expiration: 2017-01-17

Abstract

A safe cutting knife includes a knife handle (1); the knife handle (1) is connected with one or more tool blades and knife grooves for containing such tool blades. The utility model is characterized in that the knife grooves are provided with safe protective devices for locking the adjacent tool blades, so as to open one of them at a time.

Description

A kind of cutting tool of safe handling

Technical field

The utility model relates to a kind of cutting tool of five metals cutter, particularly a kind of safe handling of daily life.

Technical background

Art designing's cutting knife of office or family use at present, general structure is a handle of a knife with cutter groove, the front end of handle of a knife has one and is convenient to the mouth that blade stretches out, the end of cutter groove connects the length direction of handle of a knife, the end of blade flexibly connects a slide device, make blade and slide device one slide, and adopt an obstruction that the end of this groove is blocked, in case blade has been slided along this cutter groove at the end of cutter groove along chute.When needs are changed blade, need earlier obstruction to be taken off, slide device and blade integral body are taken out the replacing blade in the cutter groove, repeat above-mentioned action then again blade is installed in cutter groove inherence, whole process is very loaded down with trivial details, changes blade to the consumer and has trouble.200620068064.6 patents " a kind of cutting knife of being convenient to change blade " of my application; solved above-mentioned problem; because I am at the terminal hinged fruit knife that is provided with of above-mentioned cutting knife; to strengthen the versatility of cutter, still, owing to there is not the design safety protective device; this cutter has produced a problem inevitably; promptly ought wherein a kind of cutter in the process of opening and using, original obsolete another kind of cutter 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 this deficiency of using cutting tool in technology more, and a kind of cutting tool of safe handling is provided, and makes the blade of difference in functionality in use realize interlocking.

The technical scheme that realizes the cutting knife of the utility model safe handling is: a kind of cutting tool of safe handling; comprise handle of a knife; the cutter groove that is connected with more than one tool blade on the handle of a knife and holds these tool blades is characterized in that: be provided with the adjacent tool blade of locking in the described cutter groove, make it can only open wherein a kind of safety guard at every turn.

Specifically; described tool blade comprises cutting knife and is hinged on the fruit knife of handle of a knife end; described cutter groove comprises the cutting knife groove that holds the cutting knife slippage and holds the fruit knife groove that fruit knife is amounted to that described safety guard comprises the cutting knife locking device of locking cutting knife when fruit knife is opened at least and/or lock the fruit knife locking device of fruit knife when cutting knife is opened.Described cutting knife locking device comprise be arranged on the elastic latch hook in the cutting knife groove and be connected cutting knife terminal with the corresponding buckle of elastic latch hook, described elastic latch hook is provided with the extension, this extension be arranged on the fruit knife groove in can be corresponding along the shell fragment of fruit knife well width direction swing; Described fruit knife locking device comprises and is arranged on the elasticity seesaw in the cutting knife groove and is connected the cutting knife end, can inserts the wedge of elasticity seesaw bottom when cutting knife folds, the vertical direction of described elasticity seesaw is provided with the location and colludes, the position corresponding positioning hole of colluding with the location when fruit knife is provided with in it is in the fruit knife groove.Wherein cutting knife groove and fruit knife groove are arranged in parallel, and separate by dividing plate, also are provided with on the dividing plate to be convenient to the extension and/or the through hole that passes is colluded in the location.And the end of elasticity seesaw, elastic latch hook and shell fragment is separately fixed on the dividing plate, and when fruit knife was opened, the front end overhead of shell fragment was at the terminal surface of fruit knife.This moment, shell fragment resetted, and the elasticity lock hook is also replied normal condition, is locked in the buckle of cutting knife end, and cutting knife can not be opened, and the elasticity seesaw is supported by wedge, and locking action can not colluded in its location.When fruit knife folded, shell fragment was pushed by fruit knife, relied on a side of dividing plate, and the extension on the shell fragment jack-up elastic latch hook makes elastic latch hook and buckle break away from like this, removes the locking to cutting knife.At this moment cutting knife is opened, the wedge-like portion of cutting knife rear end comes from the disengaging of elasticity seesaw below, and the elasticity seesaw resets, and collude in the locating hole that snaps onto on the fruit knife location on it, and the locking fruit knife can not be opened fruit knife.

As further improvement of the utility model, described handle of a knife one side is provided with the chute that is connected with the cutting knife groove, is connected with on the cutting knife to be provided with the elasticity handler that flexibly connects cutting knife and slide device in the cutting knife groove along the slide device of runner movement.This elasticity handler comprises the trip that is arranged on the slide device, and be arranged on the draw-in groove that fastens mutually with this trip on the cutting knife, handle of a knife is provided with and drives the driver part of trip along the perforation direction strain of draw-in groove, be provided with the space that holds the trip strain in the cutting knife groove, handle of a knife is provided with the end that holds driver part and stretches out the outer hole of handle of a knife.Like this, can remove the locking of grab, change cutting knife easily by pushing driver part to cutting knife.

Further improve as of the present utility model: described slide device comprises substrate and is connected on-chip slippage knob, described substrate is provided with the cutting knife positioning baffle that limits the cutting knife installation site, and trip is fixedlyed connected with cutting knife positioning baffle one and with substrate.Described slippage button both sides are provided with the cantilever that has positioning convex point, cutting knife groove both sides are provided with the some grooves with described positioning convex point tabling, be connected with navigation button on the described slippage button, have the fastening part that spacing is suitable between a size and the cantilever on the knob of location.Make its fastening partly be in position between two positioning convex points of cantilever by the running fix knob, just positioning convex point can be limited in certain a pair of groove of cutting knife film trap both sides, thereby fixedly the position of slide device in the cutting knife film trap also promptly defines the position of cutting knife in the cutting knife groove.

Compared with prior art; the beneficial effects of the utility model are, by a safety guard that can make cutting knife and fruit knife interlocking is set, make when wherein a kind of blade uses; another blade is in the safe condition of locking, thereby avoids the user to be subjected to unexpected injury.In addition, front end at cutting knife is provided with the elasticity handler, change the annexation between slide device and the cutting knife, under the situation that need not unload slide device, by pressing the driver part of compression elasticity handler, be conveniently implemented in the front end loading and unloading cutting knife of handle of a knife, can also change the cutting knife of different cutting edges as required.

Description of drawings

Be further described below in conjunction with the cutting tool of the drawings and specific embodiments the utility model safe handling:

Fig. 1 is the front view that fruit knife is opened, cutting knife folds on the utility model cutting tool;

Fig. 2 is the front view that fruit knife folds, cutting knife is opened on the utility model cutting tool;

Fig. 3 is for removing the front view of handle of a knife loam cake among Fig. 1;

Fig. 4 is the rearview of handle of a knife loam cake among Fig. 1;

Fig. 5 is for removing the front view of handle of a knife loam cake among Fig. 2;

Fig. 6 is the B-B profile of Fig. 1;

Fig. 7 is the C-C profile of Fig. 2;

Fig. 8 is the A-A cutaway view (only showing handle of a knife and driver part) of Fig. 1;

Fig. 9 is the front view of navigation button among Fig. 5;

Figure 10 is the front view of slippage button among Fig. 5;

Figure 11 is the rearview of substrate among Fig. 9;

Figure 12 is the rearview of Fig. 1;

Figure 13 is for removing the view of handle of a knife bottom among Figure 12;

Figure 14 is the view after fruit knife folds among Figure 13;

Figure 15 is the D-D cutaway view (comprising bottom) of Figure 14;

Figure 16 is the stereogram of elasticity seesaw;

Figure 17 is the stereogram of elastic latch hook;

Figure 18 is the front view of cutting knife;

The specific embodiment

Cutting tool as accompanying drawing 1 to Fig. 5, safe handling shown in Figure 8, comprise the handle of a knife 1 that forms by the multilayer chip textural association, it comprises loam cake 1a, dividing plate 1b and the bottom 1c that is provided with chute 12, be provided with cutting knife groove 2 between loam cake 1a and the dividing plate 1b, be provided with fruit knife groove 3 between lower cover 1c and the dividing plate 1b.Cutting knife groove 2 is located at half groove 2a on the loam cake 1a by branch and half groove 2b on the dividing plate 1b forms.Fruit knife groove 3 ends are articulated with fruit knife 104, are provided with shell fragment 31 in the fruit knife groove 3, and the rear end of shell fragment 31 is fixed on the dividing plate 1b, and when fruit knife 104 was opened, the front end overhead of shell fragment 31 was at the terminal surface (as shown in Figure 13) of fruit knife 104.Be equiped with cutting knife 105 and can be in the cutting knife groove 2 along the slide device 4 of runner movement, slide device 4 comprises substrate 5, be connected with slippage knob 6 on the substrate 5, be connected with navigation button 7 on the slippage button 6, slippage button 6 stretches out in chute 12 with the upper end of navigation button 7, is convenient to the user and promotes slippage knob 6 and navigation button 7.Shown in accompanying

drawing

5,9,10,11, the reference column (not shown) of slippage button 6 by its underpart matches with the hole 53 on the substrate 5 and is connected, and navigation button 7 colludes 72 by its location, both sides and flexibly connects with slippage button 6.Be provided with the cutting knife positioning baffle 52 that limits cutting knife 105 installation site in cutting knife groove 2 in the bottom surface of substrate 5, wherein the shape of cutting knife 105 can be shown in accompanying drawing 18a, 18b, also can be other shape, the shape of positioning baffle 52 end faces matches with the shape of cutting knife 105 ends.One is extended location trip 51 on positioning baffle 52, this location trip 51 matches with draw-in groove 41 on being located at cutting knife 105, by the cooperation of trip 51 and draw-in groove 41, along in the process of cutting knife groove 2 slippages, drive cutting knife 105 and move together at slide device 3.Wherein positioning baffle 52 can be made of one or make separately with substrate 5, links together again.Be provided with buckle 54 and wedge 55 in the rear end of substrate 5.Shown in accompanying

drawing

3,5, on dividing plate 1b, be provided with elasticity seesaw 8 and elastic latch hook 9, be used for fruit knife 104 and cutting knife 105 are locked mutually.As shown in Figure 16, be provided with a location in the side at elasticity seesaw 8 middle parts and collude 81, the front end of elasticity seesaw 8 is provided with a wedge-like portion 82, is convenient to the supported underneath elasticity seesaw 8 of the wedge 55 insertion elasticity seesaws 8 on the substrate 5.As shown in Figure 17, be provided with an extension 91 that width is slightly narrow on the elastic latch hook 9, elastic latch hook 9 is corresponding with the buckle 54 on the substrate 5, the location collude 81 with fruit knife 104 is set on locating hole 106 corresponding.The end of elasticity seesaw 8 and elastic latch hook 9 is welded on respectively on the dividing plate 1b, on dividing plate 1b with the

location collude

81 and 91 corresponding positions, extension be respectively equipped with through

hole

8a, 9a, be convenient to the location collude 81 and extension 91 extend out in the fruit knife groove 3, and respectively fastening in locating hole 106 or overhead in shell fragment 31 sides.

Be depicted as the situation that cutting knife 105 and fruit knife 104 all fold as accompanying drawing 14,15.At this moment, fruit knife 104 compressing shell fragments 31, shell fragment 31 withstands the extension 91 on the elastic clamping hook 9, make elastic clamping hook 9 break away from substrate 5 on the locking of buckle 54, and the wedge on the substrate 5 inserts wedge-like portion 82 bottoms of elasticity seesaw 8, makes location on the elasticity seesaw 8 collude and is separated from the locating hole 106 that is arranged on the fruit blade 104.In this case, cutting knife 105 and fruit knife 104 are in the state of unlocking mutually, and the user can select arbitrary blade as required for use.Shown in accompanying drawing 3,7 and 13, after stirring the cylinder 107 that is fixed on fruit knife 104 sides fruit knife 104 is opened, shell fragment 31 overheads are at the end of fruit knife 104, prevent fruit knife 104 in use accident amount to.And shell fragment 31 returns back to initial state, owing to there is not the pressure of shell fragment 31, elasticity lock hook 9 is also replied normal condition at this moment, be locked in the buckle 54 of substrate 5 ends, cutting knife 105 can not be opened, and elasticity seesaw 8 is supported by the wedge on the substrate 5 55, and its location is colluded 81 and do not played locking action.In this case, fruit knife 104 can only be used, cutting knife 105 can not be used.Shown in accompanying drawing 2,5,6, when needs folded fruit knife 104, groove 20 places on bottom 1c pushed shrapnel and 31 make it break away from the terminal surface of fruit knife 104, can fold this fruit knife 104.After fruit knife 104 folded, shell fragment 31 was pushed by fruit knife 104, relied on the side of dividing plate 1b, and the extension 91 on the shell fragment 31 jack-up elastic latch hooks 9 makes elastic latch hook 91 and buckle 54 break away from like this, removes the locking to cutting knife 105.At this moment cutting knife 105 can be opened along 2 slippages of cutting knife groove, the wedge 55 of substrate 5 rear ends comes from the disengaging of elasticity seesaw 8 belows, and elasticity seesaw 8 resets, and collude in 81 locating holes 106 that snap onto on the fruit knife 104 location on it, locking fruit knife 104 can not be opened fruit knife 104.In this case, cutting knife 105 can only be used, fruit knife 104 can not be used.Like this, owing to adopted safety guard, the user realizes locking using under the situation of a kind of blade wherein to another kind of blade, has ensured user's safety.

Shown in accompanying drawing 2,5, the slippage button 6 on being connected cutting knife 105 be positioned at chute 12 foremost the time, the position corresponding with trip 51 is provided with the driver part 18 that trip 51 is thrown off in the draw-in groove 41 of cutting knife 105 on handle of a knife 1.This driver part 18 drives trip 51 along this perforations direction strain in the perforation direction (also being the thickness direction of cutting knife 104) of draw-in groove 41, is provided with at the deformation direction of trip 51 and holds the space 19 that trip 51 is swung.This space 19 promptly is located on the dividing plate 1c.And the shape of the shape in space 19 and trip 51 is suitable.Driver part 18 is provided with hole 11 for having the column of the shaft shoulder on handle of a knife loam cake 1a, the end of driver part 18 is outside the loam cake 1a of handle of a knife 1 is stretched out in hole 11.The shaft shoulder partial action of driver part 18 by pushing driver part 18, is removed the fastening of draw-in groove 41 on trip 51 and the cutting knife 104 on trip 51, just can take out and change cutting knife 104 easily.Be provided with a back-moving spring 10 simultaneously in the lower end of driver part 18.

Shown in accompanying

drawing

3,9,10, on substrate 5, also be provided with substrate fixture, also promptly after cutting knife and slide device 4 one are slided, limit their positions in cutting knife groove 2.Specifically, this substrate fixture is two cantilevers 61 that are arranged on slippage button 6 both sides and have positioning convex point 62, and be arranged on cutting knife groove 2a both sides on the handle of a knife loam cake 1a and some grooves 21 of positioning convex point 62 tablings, navigation button 7 with flexibly connecting on the slippage button 6 has the suitable fastening part 71 of spacing between a size and the cantilever 61.As shown in Figure 3, when a side slip was between two cantilevers 61 of fastening part 71 arrival slippage buttons 6, the salient point 62 that is about on the cantilever 61 was limited in the groove 21, also promptly defines the position of cutting knife 105 in cutting knife groove 2 with navigation button 7.

As shown in Figure 12, on the bottom 1c of handle of a knife 1, also be fixed with a clip 15, make things convenient for the user to carry this cutting tool by screw.

Claims

1. the cutting tool of a safe handling; comprise handle of a knife (1); the cutter groove that is connected with more than one tool blade on the handle of a knife (1) and holds these tool blades is characterized in that: be provided with the adjacent tool blade of locking in the described cutter groove, make it can only open wherein a kind of safety guard at every turn.

2. according to the cutting tool of the described safe handling of claim 1; it is characterized in that: described tool blade comprises cutting knife (105) and is hinged on the terminal fruit knife (104) of handle of a knife (1); described cutter groove comprises the cutting knife groove (2) that holds the cutting knife slippage and holds the fruit knife groove (3) that fruit knife is amounted to, and described safety guard comprises at least when fruit knife (104) and locks the cutting knife locking device of cutting knife (105) when opening and/or lock the fruit knife locking device of fruit knife (104) when opening when cutting knife (105).

3. according to the cutting tool of the described safe handling of claim 2, it is characterized in that: described cutting knife locking device comprise be arranged on the elastic latch hook (9) in the cutting knife groove (2) and be connected cutting knife (105) terminal with the corresponding buckle of elastic latch hook (9) (54), described elastic latch hook is provided with extension (91), and this extension (91) are be arranged on can be corresponding along the shell fragment (31) of fruit knife well width direction swing in the fruit knife groove (3).

4. according to the cutting tool of the described safe handling of claim 2, it is characterized in that: described fruit knife locking device comprise be arranged on the elasticity seesaw (8) in the cutting knife groove (2) and be connected cutting knife (105) terminal, when cutting knife folds, can insert the wedge (55) of elasticity seesaw bottom, the side of described elasticity seesaw (8) is provided with the location and colludes (81), and the position corresponding positioning hole (106) of (81) is colluded in when fruit knife (104) is provided with in it is in fruit knife groove (3) and location.

5. according to the cutting tool of claim 3 or 4 described safe handlings, it is characterized in that: described cutting knife groove (2) is arranged in parallel with fruit knife groove (3), and separate by dividing plate (1b), described dividing plate is provided with is convenient to extension (91) and/or the through hole that (81) are passed is colluded in the location.

6. according to the cutting tool of the described safe handling of claim 5, it is characterized in that: the end of described elasticity seesaw (8), elastic latch hook (9), shell fragment (31) is separately fixed on the dividing plate (1b), when fruit knife was opened, the front end overhead of shell fragment (31) was at the terminal surface of fruit knife (104).

7. according to the cutting tool of each described safe handling of claim 2 to 4, it is characterized in that: described handle of a knife one side is provided with the chute (12) that is connected with cutting knife groove (2), be connected with on the cutting knife and can be provided with the elasticity handler that flexibly connects cutting knife (105) and slide device (4) in the cutting knife groove along the slide device (4) of runner movement.

8. according to the cutting tool of the described safe handling of claim 7, it is characterized in that: described elasticity handler comprises the trip (51) that is arranged on the slide device (4), and be arranged on the cutting knife (105) and the mutual draw-in groove (41) that fastens of this trip (51), handle of a knife (1) is provided with and drives the driver part (18) of trip (51) along the perforation direction strain of draw-in groove (41), dividing plate (1b) is provided with the space (19) that holds trip (51) strain, and handle of a knife (1) is provided with the end that holds driver part (18) and stretches out the outer hole (11) of handle of a knife.

9. the cutting tool of described safe handling according to Claim 8, it is characterized in that: described slide device (4) comprises substrate (5) and is connected slippage knob (6) on the substrate (5), described substrate (5) is provided with the cutting knife positioning baffle (52) that limits cutting knife (105) installation site, and trip (51) is fixedlyed connected with cutting knife positioning baffle (52) one and with substrate (5).

10. according to the cutting tool of the described safe handling of claim 9, it is characterized in that: described slippage button (6) both sides are provided with the cantilever (61) that has positioning convex point (62), cutting knife groove (2) both sides are provided with the some grooves (21) with described positioning convex point (62) tabling, be connected with navigation button (7) on the described slippage button (6), have the fastening part (71) that spacing is suitable between a size and the cantilever (61) on the location knob (7).