CN201040380Y - Folding knife and knife tool with movable blade - Google Patents
Folding knife and knife tool with movable blade Download PDFInfo
- Publication number
- CN201040380Y CN201040380Y CNU200720000710XU CN200720000710U CN201040380Y CN 201040380 Y CN201040380 Y CN 201040380Y CN U200720000710X U CNU200720000710X U CN U200720000710XU CN 200720000710 U CN200720000710 U CN 200720000710U CN 201040380 Y CN201040380 Y CN 201040380Y
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- cutter hub
- stop pin
- blade
- knife
- detent
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Abstract
The utility model relates to a jackknife with locking function, and can reliably make the cutter body locked at the opening and closing positions. The utility model includes a tool shank; a first cutter body which is connected with the tool shank through a pivot; a locking mechanism. The locking mechanism includes: a locking pin which is arranged parallel with the pivot in the tool shank; a locking button at one side of the tool shank and connected with one end of the locking pin; an elastic element arranged at the tool shank and sending bias to the locking pin with the direction towards the locking button. The first cutter body is provided with an opening positioning groove and a closing positioning groove. When the first cutter body is opened, the opening positioning groove matching with the locking pin is locked; When the first cutter body is closed, the closing positioning grove matching with the locking pin is locked. The utility model also provides a cutting tool with a movable blade and the locking function which can reliably makes the blade positioned at the stretching or retracting positions.
Description
Technical field
The utility model relates to a kind of jackknife, also relates to a kind of cutter that has movable blades.
Background technology
Jackknife and traditional can not comparing by jackknife because its volume can effectively dwindle, therefore are easy to carry very much, and cutter hub is collapsible in the handle of a knife, therefore carry safer.For these reasons, the range of application of collapsible cutter is very extensive.
Common in the market collapsible cutter all is to be movably connected by the pivot joint mode by handle of a knife and cutter hub, and is simple in structure, lacks the locking mechanism that is used for when cutter hub is opened cutter hub being locked in open position and closing position.Therefore, this cutter is in opening the cutter hub use, if the cutter hub back is subjected to bigger external force, will amount to automatically under external force, the user is met accident, perhaps under careless or situation that children play, opened, thereby caused the danger that is scratched, had great potential safety hazard.
In addition, some has the folding cutter of telescopic action blade (blade of for example cutting a sheet of paper), stretches out or retracted position owing to can not reliably blade be positioned at, and also can bring similar inconvenience and potential safety hazard.
The utility model content
Technical problem to be solved in the utility model is, a kind of jackknife with lock function is provided, and can reliably cutter hub be locked in open position and closing position.
Another technical problem to be solved in the utility model provides a kind of cutter that has movable blades with lock function, and it can be positioned at blade reliably and stretch out or retracted position.
For according to first aspect of the present utility model, a kind of jackknife is provided, comprising: handle of a knife has pivot; First cutter hub is connected with the handle of a knife pivot by pivot; It is characterized in that also comprise a locking mechanism, locking mechanism comprises: stop pin is arranged in the handle of a knife with pivot abreast; Locking press button is positioned at a side of handle of a knife, and is connected with an end of locking lock pin; Elastic component, be arranged in the handle of a knife, apply biasing force to stop pin towards the locking press button direction, wherein, first cutter hub is provided with opens detent and closed orientation groove, is under the open mode at first cutter hub, opens detent and cooperates with stop pin and lock, be under the closure state at first cutter hub, the closed orientation groove cooperates with stop pin and locks.
Wherein, stop pin has: the stop pin body of rod, and first sticking department, its diameter be greater than the diameter of the stop pin body of rod, be used for first cutter hub on open detent and closed orientation groove fit.Preferably, the detent of opening on first cutter hub has thrust surface, is used for contacting with the end face of first sticking department of stop pin.
Wherein, first cutter hub has the detent passage, and the closed orientation groove is communicated to the edge of first cutter hub, and the stop pin body of rod can arrive and the corresponding position of closed orientation groove along the detent passage.
Preferably, first cutter hub is provided with the handle hole that is used to open first cutter hub.
Wherein, this jackknife can also comprise second cutter hub that be arranged in parallel with first cutter hub, second cutter hub pivots with handle of a knife by pivot and is connected, second cutter hub is provided with opens detent and closed orientation groove, be under the open mode at second cutter hub, open detent and cooperate with stop pin and lock, be under the closure state at second cutter hub, the closed orientation groove cooperates with stop pin and locks.
Perhaps, wherein this jackknife also comprises second cutter hub that be arranged in parallel with first cutter hub, second cutter hub pivots with handle of a knife by pivot and is connected, second cutter hub is provided with opens detent and closed orientation groove, stop pin also has second sticking department that be arranged in parallel with first sticking department, its diameter is greater than the diameter of the stop pin body of rod, be used for second cutter hub on open detent and closed orientation groove fit, be under the open mode at second cutter hub, the detent of opening of second cutter hub cooperates with second sticking department of stop pin and locks, be under the closure state at second cutter hub, the closed orientation groove of second cutter hub cooperates with second sticking department of stop pin and locks.Preferably, telescopically is equiped with blade in second cutter hub, and blade is provided with a plurality of detents, also comprise a locking mechanism on second cutter hub, locking mechanism comprises: stop pin is arranged on second cutter hub perpendicular to blade, be used for blade on a plurality of detents, cooperate the location; Locking press button is positioned at a side of second cutter hub, and is connected with an end of stop pin; And elastic component, be arranged in second cutter hub, apply biasing force to stop pin towards the locking press button direction.
Because jackknife of the present utility model has locking mechanism, by pressing the button of locking mechanism, can make stop pin and open the disengagement of detent or closed orientation groove, handle and open or closed cutter hub.Behind release button, stop pin can reset under the effect of resilient member biases power, cutter hub is locked in closing position, avoid being caused the user to be scratched, perhaps cutter hub is locked in open position, prevent that cutter hub is closed undesirably under external force because of cutter hub opens carelessly.This jackknife of the present utility model is simple in structure, and safety durable is easy to operate.
According on the other hand of the present utility model, a kind of cutter that has movable blades is provided, comprising: handle of a knife has pivot; Second cutter hub is connected with the handle of a knife pivot by pivot, and telescopically is equiped with blade in second cutter hub; It is characterized in that blade is provided with a plurality of detents, also comprise locking mechanism on second cutter hub, locking mechanism comprises: stop pin, be arranged on second cutter hub perpendicular to blade, be used for blade on a plurality of detents, cooperate the location; Locking press button is positioned at a side of second cutter hub, and is connected with an end of stop pin; And elastic component, be arranged in second cutter hub, apply biasing force to stop pin towards the locking press button direction.Preferably, a plurality of detents on the blade are arranged on the edge opposite with the blade side of blade along straight line.
Because this cutter with movable blades has locking mechanism, by pressing the button of locking mechanism, one of stop pin and a plurality of detents are thrown off, the locking of the pin blade that so just can unlock, thereby handling blade reaches extended position or retracts to retracted position along cutter hub, perhaps, if having more detents, the extension elongation that can regulate blade.Behind release button, stop pin can reset under the effect of resilient member biases power, and blade is locked in extended position, retracted position or other precalculated positions reliably.Cutter structure with movable blades of the present utility model is simple, and safety durable is easy to operate.
Description of drawings
Accompanying drawing shows embodiment of the present utility model, and with specification, is used for explaining principle of the present utility model.By the detailed description of doing below in conjunction with accompanying drawing, can more be expressly understood the purpose of this utility model, advantage and feature, wherein, identical feature is used identical label, among the figure:
Fig. 1 is the main TV structure schematic diagram according to jackknife of the present utility model, and wherein cutter hub is in open mode.
Fig. 2 is the right TV structure schematic diagram of the jackknife among Fig. 1, and wherein cutter hub is in open mode.
Fig. 3 is the left TV structure schematic diagram of the jackknife among Fig. 1, and wherein cutter hub is in open mode.
Fig. 4 be along A-A among Fig. 1 to the structural representation cutaway view, wherein cutter hub is in open mode.
Fig. 5 be along A-A among Fig. 1 to the sectional structure schematic diagram, wherein cutter hub is in closure state.
Fig. 6 be along B-B among Fig. 1 to the sectional structure schematic diagram, wherein second cutter hub is shown in an open position.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Referring to Fig. 1, be depicted as Fig. 1 and be main TV structure schematic diagram according to jackknife of the present utility model, wherein cutter hub is in open mode.This jackknife comprises: handle of a knife 1 has pivot 11; First cutter hub 2 is connected with handle of a knife 1 pivotly by pivot 11; Second cutter hub 3 is provided with abreast with first cutter hub 2, and is connected pivotly with handle of a knife 1 by pivot 11.
This jackknife also comprises a locking mechanism 4, and locking mechanism 4 comprises: stop pin 41 is arranged in the handle of a knife 1 abreast with pivot 11; Locking press button 42 is positioned at a side of handle of a knife, and is connected with an end of locking lock pin 41; Elastic component 43 is arranged in the handle of a knife 1, applies biasing force towards the locking press button direction to stop pin 41.
In conjunction with referring to Fig. 4 and Fig. 5, shown in be respectively along A-A among Fig. 1 to the structural representation cutaway view, wherein first cutter hub 2 is in open mode in Fig. 4, Fig. 5 first cutter hub 2 is in closure state.
For with locking mechanism 4 cooperatings, also be provided with on first cutter hub 2 and open detent 21 and closed orientation groove 22, be under the open mode at first cutter hub 2, opening detent 21 cooperates with stop pin 41 and locks, be under the closure state at first cutter hub 2, closed orientation groove 22 cooperates with stop pin 41 and locks.
Correspondingly, also be provided with on second cutter hub 3 with first cutter hub 2 and similarly open detent and closed orientation groove (not shown).
Fig. 1 again, stop pin 41 has: the stop pin body of rod 413; First sticking department 411, its diameter be greater than the diameter of the stop pin body of rod 413, be used for first cutter hub 2 on open detent 21 and closed orientation groove 22 cooperates; And second sticking department 412, its diameter is greater than the diameter of the stop pin body of rod 413, be used for second cutter hub 3 on open detent and closed orientation groove fit.
Preferably, the detent 21 of opening on first cutter hub 2 has thrust surface 211, be used for contacting,, prevent that stop pin 41 from excessively stretching out or the handle of a knife 1 of scurrying out under the partial pressure of elastic component 43 so that axial limiting is carried out in pin rationed marketing 41 with the end face 411a of first sticking department 411 of stop pin 41.
In addition, can see from Fig. 4 and Fig. 5, first cutter hub 2 has detent passage 23, closed orientation groove 22 is communicated to the edge of first cutter hub 2, like this, in the process of closed first cutter hub 2, the stop pin body of rod 413 can arrive and closed orientation groove 22 corresponding positions along detent passage 23, thereby stop pin 41 can axially move under the partial pressure of elastic component 43, makes first sticking department 411 cooperate locking with closed orientation groove 22.
Be provided with handle hole 24 referring to Fig. 2 and 4, the first cutter hubs 2, so that open first cutter hub 2.
Because this jackknife has locking mechanism 4, by the button 42 of pressing locking mechanism 4, can make and open that corresponding on detent 21 or the closed orientation groove 22 and/or second cutter hub 3 opened detent or closed orientation groove (not shown) is thrown off on the stop pin 41 and first cutter hub 2, handle and open or closed first cutter hub 2 and/or second cutter hub 3.Behind release button, stop pin 41 can reset under the effect of the biasing force of elastic component 43, and first cutter hub 2 and/or second cutter hub 3 are locked in closing position or open position reliably.Like this, can avoid being caused the user to be scratched, perhaps first cutter hub 2 is locked in open position, prevent that cutter hub is closed undesirably under external force because of cutter hub opens carelessly.This jackknife of the present utility model is simple in structure, and safety durable is easy to operate.
Referring to Fig. 3 and 6, shown in be respectively the jackknife among Fig. 1 left TV structure schematic diagram and along B-B among Fig. 1 to the sectional structure schematic diagram, simultaneously in conjunction with referring to Fig. 1.Telescopically is equiped with blade 31 in second cutter hub 3.Blade 31 is provided with a plurality of detents 311,312.Also comprise a locking mechanism 5 on second cutter hub 3.Locking mechanism 5 comprises: stop pin 51, be arranged on second cutter hub 3 perpendicular to blade 31, be used for blade 31 on a plurality of detents 311,312 cooperate the location; Locking press button 52 is positioned at a side of second cutter hub 3, and is connected with an end of stop pin 51; And elastic component 53, be arranged in second cutter hub 3, apply biasing force to stop pin 51 towards locking press button 51 directions.
Preferably, a plurality of detents on the blade 31 311,312 are arranged on the edge opposite with the blade side (right side edge of blade 31 among Fig. 6) of blade 31 along straight line.
Owing to have locking mechanism, this have second cutter hub 3 of movable blades 31 by pressing the button of locking mechanism 5, the sticking department 512 of stop pin 51 is thrown off with one of a plurality of detents, the locking of pin 51 blade 3 that so just can unlock reaches extended position or retracts to retracted position along cutter hub 3 thereby handle blade 31.Perhaps, if having more detents, for example three or four, then can also be so as to regulating the extension elongation of blade 31.Behind release button, stop pin 51 can reset under the effect of the biasing force of elastic component 53, and blade 31 is locked in extended position, retracted position or other precalculated positions (a certain position with specific extension elongation) reliably.Structure of the cutter body with movable blades 31 of the present utility model is simple, and safety durable is easy to operate.
This second cutter hub 3 that has second movable blades 31 can be connected on the handle of a knife 1 pivotly by pivot 11, constitutes folding cutter.Can imagine that this kind second cutter hub 3 also can be otherwise, for example fixedly connected mode is arranged on the handle of a knife, thereby constitutes cutter.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model.In the above-described embodiments, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. jackknife comprises:
Handle of a knife (1) has pivot (11);
First cutter hub (2) is connected with described handle of a knife (1) pivot by described pivot (11);
It is characterized in that also comprise locking mechanism (4), described locking mechanism (4) comprising:
Stop pin (41) is arranged in the described handle of a knife (1) abreast with described pivot (11);
Locking press button (42) is positioned at a side of described handle of a knife, and is connected with an end of described locking lock pin (41); Elastic component (43) is arranged in the described handle of a knife (1), applies biasing force towards described locking press button direction to described stop pin (41),
Wherein, described first cutter hub (2) is provided with opens detent (21) and closed orientation groove (22), be under the open mode at described first cutter hub (2), the described detent (21) of opening cooperates with described stop pin (41) and locks, be under the closure state at described first cutter hub (2), described closed orientation groove (22) cooperates with described stop pin (41) and locks.
2. jackknife according to claim 1 is characterized in that, described stop pin (41)
Have:
The stop pin body of rod (413), and
First sticking department (411), its diameter be greater than the diameter of the described stop pin body of rod (413), be used for described first cutter hub (2) on open detent (21) or closed orientation groove (22) cooperates.
3. jackknife according to claim 2 is characterized in that, the detent (21) of opening on described first cutter hub (2) has thrust surface (211), is used for contacting with the end face (411a) of first sticking department (411) of described stop pin (41).
4. jackknife according to claim 2, it is characterized in that, described first cutter hub (2) has detent passage (23), described closed orientation groove (22) is communicated to the edge of described first cutter hub (2), and the described stop pin body of rod (413) can arrive and the corresponding position of described closed orientation groove (22) along described detent passage (23).
5. jackknife according to claim 1 is characterized in that, described first cutter hub (2) is provided with the handle hole (24) that is used to open described first cutter hub (2).
6. jackknife according to claim 1, it is characterized in that, also comprise second cutter hub (3) that be arranged in parallel with described first cutter hub (2), described second cutter hub (3) pivots with described handle of a knife (1) by described pivot (11) and is connected, described second cutter hub (3) is provided with opens detent and closed orientation groove, be under the open mode at described second cutter hub (3), the described detent of opening cooperates with described stop pin (41) and locks, be under the closure state at described second cutter hub (3), described closed orientation groove cooperates with described stop pin (41) and locks.
7. jackknife according to claim 2 is characterized in that,
Also comprise second cutter hub (3) that be arranged in parallel with described first cutter hub (2), described second cutter hub (3) pivots with described handle of a knife (1) by described pivot (11) and is connected, and described second cutter hub (3) is provided with opens detent and closed orientation groove,
Described stop pin (41) also has second sticking department (412) that be arranged in parallel with described first sticking department (411), its diameter is greater than the diameter of the described stop pin body of rod (413), be used for described second cutter hub (3) on open detent and closed orientation groove fit
Be under the open mode at described second cutter hub (3), the detent of opening of described second cutter hub (3) cooperates with second sticking department (412) of described stop pin (41) and locks, be under the closure state at described second cutter hub (3), the closed orientation groove of described second cutter hub (3) cooperates with second sticking department (412) of described stop pin (41) and locks.
8. jackknife according to claim 7 is characterized in that,
Telescopically is equiped with blade (31) in described second cutter hub (3), described blade (31) is provided with a plurality of detents (311,312), also comprise locking mechanism (5) on described second cutter hub (3), described locking mechanism (5) comprising: stop pin (51), be arranged on described second cutter hub (3) perpendicular to described blade (31), be used for described blade (31) on a plurality of detents (311,312) cooperate the location;
Locking press button (52) is positioned at a side of described second cutter hub (3), and is connected with an end of described stop pin (51); And
Elastic component (53) is arranged in described second cutter hub (3), applies biasing force towards described locking press button (51) direction to described stop pin (51).
9. cutter that has movable blades (31) comprises:
Handle of a knife (1) has pivot (11);
Second cutter hub (3) is connected with described handle of a knife (1) pivot by described pivot (11), and telescopically is equiped with blade (31) in described second cutter hub (3);
It is characterized in that described blade (31) is provided with a plurality of detents (311,312), also comprise a locking mechanism (5) on described second cutter hub (3), described lock
Deciding mechanism (5) comprising:
Stop pin (51) is arranged on described second cutter hub (3) perpendicular to described blade (31), be used for described blade (31) on a plurality of detents (311,312) cooperate the location;
Locking press button (52) is positioned at a side of described second cutter hub (3), and is connected with an end of described stop pin (51); And
Elastic component (53) is arranged in described second cutter hub (3), applies biasing force towards described locking press button (51) direction to described stop pin (51).
10. the cutter that has movable blades according to claim 9 is characterized in that, a plurality of detents (311,312) on the described blade (31) are arranged on the edge opposite with the blade side of described blade (31) along straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720000710XU CN201040380Y (en) | 2007-01-19 | 2007-01-19 | Folding knife and knife tool with movable blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720000710XU CN201040380Y (en) | 2007-01-19 | 2007-01-19 | Folding knife and knife tool with movable blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201040380Y true CN201040380Y (en) | 2008-03-26 |
Family
ID=39252088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720000710XU Expired - Fee Related CN201040380Y (en) | 2007-01-19 | 2007-01-19 | Folding knife and knife tool with movable blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201040380Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905355A (en) * | 2010-07-28 | 2010-12-08 | 容显伟 | Folding saw capable of being opened automatically |
| CN104842004A (en) * | 2014-02-18 | 2015-08-19 | 力山工业股份有限公司 | Workpiece support device of circular sawing machine |
| CN107009800A (en) * | 2017-05-16 | 2017-08-04 | 浙江工贸职业技术学院 | Bowl moulds moulding cutter |
| CN107253216A (en) * | 2017-08-02 | 2017-10-17 | 合肥四书电子商务有限公司 | A kind of extendible office pocket knife |
-
2007
- 2007-01-19 CN CNU200720000710XU patent/CN201040380Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905355A (en) * | 2010-07-28 | 2010-12-08 | 容显伟 | Folding saw capable of being opened automatically |
| CN101905355B (en) * | 2010-07-28 | 2012-07-04 | 阳东金恒实业有限公司 | Folding saw capable of being opened automatically |
| CN104842004A (en) * | 2014-02-18 | 2015-08-19 | 力山工业股份有限公司 | Workpiece support device of circular sawing machine |
| CN107009800A (en) * | 2017-05-16 | 2017-08-04 | 浙江工贸职业技术学院 | Bowl moulds moulding cutter |
| CN107009800B (en) * | 2017-05-16 | 2019-02-15 | 浙江工贸职业技术学院 | Bowl moulds moulding cutter |
| CN107253216A (en) * | 2017-08-02 | 2017-10-17 | 合肥四书电子商务有限公司 | A kind of extendible office pocket knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |