CN101564844A - Manual knife prohibiting knife handle from opening accidentally - Google Patents
Manual knife prohibiting knife handle from opening accidentally Download PDFInfo
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- CN101564844A CN101564844A CNA2009100970469A CN200910097046A CN101564844A CN 101564844 A CN101564844 A CN 101564844A CN A2009100970469 A CNA2009100970469 A CN A2009100970469A CN 200910097046 A CN200910097046 A CN 200910097046A CN 101564844 A CN101564844 A CN 101564844A
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- knife
- handle
- opening
- knife rest
- blade
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Abstract
The invention relates to a manual knife prohibiting a knife handle from opening accidentally, belonging to manual tools. When the existing knife tools are in use, knife handles can be opened accidentally and limitation to the blade is lost, thus influencing normal use and accidentally injure a user easily. The knife handle of the manual knife comprises two handle bodies which can be jogged together and can be opened, one of the handle bodies is provided with a locking button which can be operated, locked in jogged status with the other handle body and unlocked from the jogged status; a knife rest is arranged on the knife handle in a sliding way, provided with a first working position which retakes a blade back into the knife handle and a second working position which causes the blade to extend out of the knife handle, and is installed with a controlling button which can be controlled; the blade is arranged on the knife rest; and an open prohibiting structure used for prohibiting the handle body from opening when the knife rest is at the second working position is arranged corresponding to the knife rest. The invention prohibits the opening of the handle body when the knife rest is at the second working position, namely, when the blade extends out of the knife handle by the knife rest, thus avoiding the situations of influencing normal use and accidentally injuring the user, which are caused by that the limitation to the blade is lost when the knife handle is accidentally opened.
Description
Technical field
The invention belongs to hand-operated tools, a kind of specifically unexpected hand knife of opening of handle of a knife of forbidding.
Background technology
The existing hand knife that together constitutes handle of a knife by two capable assemblings with openable handle body, as cutter, cutter etc., under the normal condition, by the sealed button on the handle of a knife two handle bodies are locked together in together, by operation knife rest is slided on handle of a knife and realize the flexible of blade, when changing blade, two handle bodies are opened by operating sealed button.The hand knife of this spline structure, structure is lightly compact, easy to use, but but have following shortcoming: sealed button is installed on the handle of a knife, it can be controlled the position and usually protrude the side that is exposed to handle of a knife, is easily touched by finger in use and unexpected handle of a knife is opened, and two handle bodies open and make blade lose constraint and come off from knife rest, both influence normal use, also easily accidentally injured the user.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is can unexpected handle of a knife be opened when overcoming the use that prior art exists and make blade lose constraint, the normal defective of using and easily accidentally injuring the user of influence, even being provided, a kind of the finger in use touch the also not understanding outer hand knife of forbidding the unexpected unlatching of handle of a knife of opening handle of a knife of sealed button, especially a kind of hand knife that only when blade is shunk the feed handle, just allows when when blade stretches out, forbidding opening handle of a knife the handle of a knife unlatching.For this reason, the present invention is by the following technical solutions:
Forbid the unexpected hand knife of opening of handle of a knife, comprise handle of a knife, knife rest and blade, it is characterized in that: described handle of a knife comprise two capable assemblings together with openable handle body, be equipped with on handle body therein and exercisablely can be locked at the amalgamation state with another handle body and from the sealed button of amalgamation state release; Described knife rest is slidingly mounted on the described handle of a knife, and it has regains described blade first operating position in the handle of a knife and described blade stretched out the second outer operating position of handle of a knife, and the exercisable button of controlling is installed on the knife rest; Described blade is installed on the described knife rest; Match with described knife rest and to be provided with the taboo opening structure that knife rest forbids opening described handle body when described second operating position.
The present invention is by being provided with the taboo opening structure that matches with knife rest, make and forbid the opening handle body when knife rest promptly stretches out handle of a knife by knife rest with blade in second operating position, thereby avoid accident to make blade lose constraint and normal use of influence and accidental injury user the handle of a knife unlatching.
Description of drawings
Fig. 1 is the schematic diagram of a kind of structure of hand knife of the present invention in the handle of a knife opening.
Fig. 2 is the structural representation of a handle body skeleton of hand knife shown in Figure 1.
Fig. 3 is the A-A cross section enlarged diagram among Fig. 2.
Fig. 4 is the structural representation of sealed button among Fig. 1.
Fig. 5 is the structural representation of another handle body skeleton of hand knife shown in Figure 1.
Fig. 6 is the knife rest and structure and the assembly relation schematic diagram of controlling button of hand knife shown in Figure 1.
Fig. 7 is the structural representation of facing of the knife rest of hand knife shown in Figure 1.
Fig. 8 is that the B-B of Fig. 7 is to sectional schematic diagram.
Fig. 9 a is that the taboo opening structure of hand knife shown in Figure 1 locks together handle of a knife in the dissection schematic diagram of forbidding opening.
Fig. 9 b is that the D-D of Fig. 9 a is to sectional schematic diagram.
Figure 10 is the profile schematic diagram of the another kind of structure of hand knife of the present invention.
C-C when Figure 11 is positioned at first operating position for the knife rest of hand knife shown in Figure 10 is to the section enlarged diagram.
C-C when Figure 12 is positioned at second operating position for the knife rest of hand knife shown in Figure 10 is to the section enlarged diagram.
Among the figure: 1a, 1b-handle of a knife, 2a, 2b-knife rest, 3a, 3b-blade, the sealed button of 4a, 4b-, 5a, 5b-control button, and 6-only opens edge, 7-breach, 8-locking edge, 9-state transformation spare; 10a, the 10b-first handle body, 11a, the 11b-second handle body, 12a, 12b-hinge; 13a, 13b-dead bolt; 14a, 14b-snap close; The 15-cut spring; The 16-Storage Box; The 17-locating slot, the 18-permanent magnet.
The specific embodiment
Below in conjunction with Figure of description the present invention is done specific description.
The present invention forbids that the basic design of the unexpected hand knife of opening of handle of a knife is to comprise handle of a knife, knife rest and blade:
Handle of a knife comprise two capable assemblings together with openable handle body, be equipped with on handle body therein and exercisablely can be locked at the amalgamation state with another handle body and from the sealed button of amalgamation state release;
Knife rest is movably arranged on the handle of a knife, and it has regains blade first operating position in the handle of a knife and blade stretched out the second outer operating position of handle of a knife, and the exercisable button of controlling is installed on the knife rest;
Blade is installed on the knife rest;
Match with knife rest and to be provided with the taboo opening structure that knife rest is forbidden the opening handle body when second operating position.
The present invention forbids the above-mentioned basic design of the unexpected hand knife of opening of handle of a knife, can be embodied by following examples:
Embodiment one
Hand knife as shown in Figure 1, it comprises handle of a knife 1a, knife rest 2a and blade 3a:
Handle of a knife 1a comprise two capable assemblings together with openable handle body, for convenience of description, called after first a handle body 10a, another called after second handle body 11a, on the first handle body 10a, install and exercisablely can be locked at the amalgamation state with the second handle body 11a and from the sealed button 4a of amalgamation state release: further, a kind of structure as the handle body, two handle bodies all (also can be integral structure for the fabricated structure that the panel assembling by the skeleton and the skeleton outside constitutes, the concrete structure of handle body does not influence the setting that the present invention prohibits opening structure), two handle bodies hinge 12a by its afterbody links together and can be around hinge opening and closing; Sealed button 4a is installed in the first handle body 10a and goes up also and can slide, effect has spring on its glide direction, this spring remains on the state that is locked at the second handle body 11a with sealed button, and (this structure can be referring to Figure 11,12 represented embodiment two, its spring supports sealed button to the right), the second handle body 11a is provided with the snap close 14a that a dead bolt 13a with sealed button 4a matches and (sees Fig. 4, also can be referring to Figure 11,12 represented embodiment two), slip change dead bolt 13a and snap close 14a by sealed button 4a (see Fig. 2,3) mated condition can realize that the sealed and release of the first handle body 10a and the second handle body 11a is (referring to Figure 11,12 represented embodiment two, the release of sliding left of sealed button, sealed button slides sealed to the right); On the first handle body 10a, offer locating slot 17 (seeing Fig. 1,2), be convenient to and control button 5a and cooperate and blade 3a is stretched out in suitable length or the indentation handle of a knife 1a knife rest 2a location; Be provided with on the second handle body 11a and only open edge 6, this is only opened edge 6 and has breach 7 (seeing Fig. 1,5);
Knife rest 2a (seeing Fig. 6,7,8) is slidingly mounted on the handle of a knife 1a, it has regains blade 3a first operating position in the handle of a knife and blade is stretched out the second outer operating position of handle of a knife, go up the description of locating slot 17 about the first handle body 10a according to preamble, this second operating position can be the field, knife rest 2a go up to install the exercisable button 5a that controls, and this is controlled button 5a and cooperates with locating slot 17 on the first handle body 10a that preamble is addressed and knife rest 2a is positioned at first operating position or second operating position; Knife rest 2a is provided with described and only opens the locking edge 8 that edge 6 cooperates, and knife rest 2a described breach 7 corresponding locking edge 8 of only opening edge 6 when first operating position; Described locking edge 8, only open edge 6 and promptly constituted a kind of taboo opening structure, and locking edge 8 can exchange with the position of only opening edge 6, breach 7; As further limiting, two edge parts of the second handle body 11a all distribute and only open edge, two edge parts of knife rest all distribute locking edge and they towards on the contrary, can guarantee locking edge 8 thus, only open edge 6 and have the specification that reasonably cooperatively interacts, and when being in lockup state, the two avoids dislocation and unexpected release, and, two handle bodies can be locked at together reliably so that the blade that stretches out is carried out suitable clamping and avoid blade to rock in use;
Blade 3a is installed on the knife rest 2a.
The hand knife of this structure, when knife rest 2a is positioned at first operating position and during with blade 3a indentation handle of a knife 1a, only open the breach 7 corresponding locking edge 8 of edge 6, therefore by locking edge 8, only open the taboo opening structure that edge 6 constitutes and be in released state, this moment is by operating that sealed button 4a can successfully be locked at two handle bodies the amalgamation state and from the release of amalgamation state; When two handle bodies are in that amalgamation state and knife rest move to second operating position from first operating position and when stretching out blade outside the handle of a knife, see Fig. 9 a, Fig. 9 b (anatomic status shown in this figure, be to be the example explanation with fabricated structure that the second handle body 11a is made of the panel assembling in skeleton and the skeleton outside, omitted the panel in the skeleton outside among the figure), locking edge 8 stagger the breach 7 of only opening edge 6 and with only open edge 6 and realize sealed, operating sealed button this moment in any case all can't avoid accident to make blade lose constraint and normal use of influence and accidental injury user the handle of a knife unlatching with two handle bodies from the release of amalgamation state thus.
Embodiment two
Hand knife as shown in figure 10, it comprises handle of a knife 1b, knife rest 2b and blade 3b:
Handle of a knife 1b comprise two capable assemblings together with openable handle body, for ease of describing, called after first a handle body 10b, another called after second handle body 11b, on the first handle body 10b, install and exercisablely can be locked at the amalgamation state with the second handle body 11b and from the sealed button 4b of amalgamation state release: further, a kind of structure as the handle body, two handle bodies are integral structure and (also can be the fabricated structure that be made of the panel outside skeleton and the skeleton, the concrete structure of handle body does not influence the setting that the present invention prohibits opening structure), two handle bodies hinge 12b by its afterbody links together and can be around hinge opening and closing; See Figure 11,12, sealed button 4b is installed in the first handle body 10b and goes up also and can slide, and effect has spring on its glide direction, and this spring remains on sealed button the state that is locked at the second handle body; The second handle body 11b is provided with the snap close 14b that a dead bolt 13b with sealed button 4b matches, and the mated condition that the slip by sealed button 4b changes dead bolt 13b and snap close 14b can realize the sealed and release of the first handle body 10b and the second handle body 11b; On the first handle body 10b, offer locating slot, be convenient to and control button 5a and cooperate and blade 3b is stretched out in suitable length or the indentation handle of a knife knife rest 2b location as embodiment one; When knife rest of installation on the second handle body 11b is mobile between first operating position and second operating position, can be prohibited opening structures by state transformation spare 9 conducts that knife rest presses, this state transformation spare 9 is positioned at the second operating position time limit lockmaking at knife rest 2b and closes button 4b release, this state transformation spare 9 is removed the restriction to sealed button 4b release when knife rest is positioned at first operating position, further, state transformation spare 9 is conflicted when knife rest is positioned at second operating position on sealed button 4b towards a side of unlocking direction, state transformation spare 9 is avoided sealed button 4b when knife rest is positioned at first operating position, according to such action, is a kind of suitable structure with a seesaw spring as state transformation spare, its volume is little, does not take up room.
Knife rest 2b is slidingly mounted on the handle of a knife 1b as embodiment one, it has regains blade first operating position in the handle of a knife and blade is stretched out the second outer operating position of handle of a knife, go up the description of locating slot about the first handle body 10b according to preamble, this second operating position can be a scope, the exercisable button of controlling is installed on the knife rest, and this is controlled button and cooperates with locating slot on the first handle body that preamble is addressed and knife rest is positioned at first operating position or second operating position;
Blade 3b is installed on the knife rest 2b.
The hand knife of this structure when knife rest 2b is positioned at first operating position (as Figure 11) and during with blade 3b indentation handle of a knife, avoids sealed button 4b as the seesaw spring of state transformation spare 9, is removed the restriction to sealed button 4b release; When knife rest 2b is positioned at second operating position (as Figure 12) and when stretching out blade outside the handle of a knife, conflict on sealed button 4b towards a side of sealed button unlocking direction as the seesaw spring of state transformation spare 9, forbid sealed button release; Avoid accident to make blade lose constraint and normal use of influence and accidental injury user the handle of a knife unlatching thus.
Above knife rest has been described when second operating position (promptly blade being stretched out handle of a knife) respectively, respectively the concrete form that is equipped with the taboo opening structure of forbidding the opening handle body that matches with knife rest by the cooperating of handle of a knife and knife rest, knife rest and sealed button by knife rest by two embodiment; And according to basic design of the present invention, the present invention is not limited to this two kinds of concrete forms, and all prepared products based on the basic design of the present invention all are considered as falling within protection scope of the present invention.Further, realizing the while of the present invention, be provided with outside the taboo opening structure, do not repel other position of cutter is transformed, also not repelling increases the function that suitable structure is enriched cutter in above-mentioned two embodiment, as supporting cut spring with the auxiliary handle of a knife of opening between two handle bodies, increase Storage Box 16 and deposit spare blade in handle of a knife, permanent magnet 18 is installed on knife rest is prevented to come off or the like, will not give unnecessary details one by one in order to the absorption blade.
Claims (9)
1, forbid the unexpected hand knife of opening of handle of a knife, comprise handle of a knife, knife rest and blade, it is characterized in that:
Described handle of a knife comprise two capable assemblings together with openable handle body, be equipped with on handle body therein and exercisablely can be locked at the amalgamation state with another handle body and from the sealed button of amalgamation state release;
Described knife rest is movably arranged on the described handle of a knife, and it has regains described blade first operating position in the handle of a knife and described blade stretched out the second outer operating position of handle of a knife, and the exercisable button of controlling is installed on the knife rest;
Described blade is installed on the described knife rest;
Match with described knife rest and to be provided with the taboo opening structure that knife rest forbids opening described handle body when described second operating position.
2, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 1, it is characterized in that described knife rest is slidingly mounted on the handle body, described taboo opening structure comprises and is separately positioned on only opening edge, only open the locking edge that edge cooperates with described on another handle body and the knife rest, describedly only opens the breach that edge has described knife rest corresponding described locking edge when first operating position.
3, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 2 is characterized in that describedly only opening edge, the locking edge all has distribution at two edge parts of described another handle body and knife rest.
4, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 3, it is characterized in that described two edge parts that are distributed in described another handle body and knife rest only open edge towards, locking edge towards on the contrary.
5, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 1, it is characterized in that described taboo opening structure is a state transformation spare by described knife rest shake-up that is installed on the described handle of a knife, this state transformation spare limits described sealed button release when described knife rest is positioned at second operating position, this state transformation spare is removed the restriction to described sealed button release when described knife rest is positioned at first operating position.
6, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 5, it is characterized in that described state transformation spare conflicts when described knife rest is positioned at second operating position on described sealed button towards a side of unlocking direction, described state transformation spare is avoided described sealed button when described knife rest is positioned at first operating position.
7, according to claim 5 or the 6 described unexpected hand knifes of opening of handle of a knife of forbidding, it is characterized in that described state transformation spare is a seesaw spring.
8, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 1 is characterized in that described two handle bodies are connected through the hinge together at its afterbody.
9, the unexpected hand knife of opening of handle of a knife of forbidding according to claim 1 is characterized in that described handle body is integral structure or the fabricated structure for being made of the panel outside skeleton and the skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100970469A CN101564844B (en) | 2009-03-27 | 2009-03-27 | Manual knife prohibiting knife handle from opening accidentally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100970469A CN101564844B (en) | 2009-03-27 | 2009-03-27 | Manual knife prohibiting knife handle from opening accidentally |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101564844A true CN101564844A (en) | 2009-10-28 |
| CN101564844B CN101564844B (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100970469A Active CN101564844B (en) | 2009-03-27 | 2009-03-27 | Manual knife prohibiting knife handle from opening accidentally |
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| CN (1) | CN101564844B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135154A1 (en) * | 2014-03-12 | 2015-09-17 | 杭州巨星工具有限公司 | Cutting tool with replaceable blade |
| CN106965210A (en) * | 2017-05-24 | 2017-07-21 | 魏鹏 | Strength cutting tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0271223B1 (en) * | 1986-11-12 | 1990-09-26 | McPherson's Limited | Retractable blade knife |
| DE102005049411B3 (en) * | 2005-10-13 | 2007-03-01 | Martor Kg | Knife, has operation lug, held outside of blade bolt at base plate, where inner surfaces hold bolt in its closed position close to plate and release bolt for opening bolt and taking out knife blade |
| GB2432806A (en) * | 2005-11-30 | 2007-06-06 | Yin Han Huang | Knife having automatically loading blade |
| CN200970774Y (en) * | 2006-11-24 | 2007-11-07 | 仇建平 | Practicle knife |
| CN201456012U (en) * | 2009-03-27 | 2010-05-12 | 杭州巨星科技股份有限公司 | Hand knife for preventing accidentally opening knife handle |
-
2009
- 2009-03-27 CN CN2009100970469A patent/CN101564844B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135154A1 (en) * | 2014-03-12 | 2015-09-17 | 杭州巨星工具有限公司 | Cutting tool with replaceable blade |
| US9808942B2 (en) | 2014-03-12 | 2017-11-07 | Hangzhou Great Star Tools Co., Ltd. | Knife with replaceable blade |
| CN106965210A (en) * | 2017-05-24 | 2017-07-21 | 魏鹏 | Strength cutting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101564844B (en) | 2012-05-23 |
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