CN202318347U - Blade locking and unlocking structure and cutting knife with same - Google Patents
Blade locking and unlocking structure and cutting knife with same Download PDFInfo
- Publication number
- CN202318347U CN202318347U CN2011203601399U CN201120360139U CN202318347U CN 202318347 U CN202318347 U CN 202318347U CN 2011203601399 U CN2011203601399 U CN 2011203601399U CN 201120360139 U CN201120360139 U CN 201120360139U CN 202318347 U CN202318347 U CN 202318347U
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- China
- Prior art keywords
- blade
- knife
- clamp piece
- swaging clamp
- unlocking structure
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- Expired - Lifetime
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Abstract
The utility model relates to a blade locking and unlocking structure and a cutting knife with the same. The blade locking and unlocking structure comprises a knife clamping block which is installed on a knife holder; the knife clamping block comprises a plurality of gear convex columns; and the blade is rapidly unlocked from the knife holder via pressing the convex column on any gear. The front end of the knife clamping block comprises a knife locking rod which extends into a cutter slot of the blade to lock the blade. The inside of at least one gear convex column is hollowed, a return spring is installed in the gear convex column, the spring is compressed via pressing the gear convex column; and the knife locking rod is unlocked from the knife slot of the blade. The blade locking and unlocking structure can be applied on the cutting knife to rapidly unlock the blade from the cutter holder, so that the blade is conveniently changed, and the technical problem that the structure for changing the blade of the traditional cutting knife is extremely complicate so as not to conveniently operate is solved.
Description
Technical field
The utility model relates to a kind of cutting knife, the blade locking unlocking structure on particularly a kind of cutting knife.
Background technology
Traditional cutting knife is divided into fixed, collapsible and telescopic usually, generally is used for cutting paper, cloth, leather etc.Telescopic cutting knife generally by handle of a knife, be movably arranged on the cutter head in the handle of a knife and the blade that is installed on the cutter head is formed, cutter head can drive blade and in handle of a knife, slide blade is stretched out or takes in.Employed blade is trapezoidal shape mostly on the existing cutting knife, and the angle that point of a knife forms is very little acute angle, in the process of cutting, is easy to just fracture; Therefore need the frequent change cutter head, still, the detaching structure of current blade is very complicated; Operation inconvenience causes the puzzlement in the work.
Summary of the invention
The purpose of the utility model is to provide a kind of blade locking unlocking structure, changes the structure too complex and the unhandy technical problem of blade to solve existing cutting knife;
The purpose of the utility model is to provide a kind of cutting knife that has blade locking unlocking structure, changes the structure too complex and the unhandy technical problem of blade to solve existing cutting knife.
In order to address the above problem, the utility model provides a kind of blade locking unlocking structure, comprises a swaging clamp piece; Said swaging clamp piece is arranged on the tool rest; Comprise some gear projections on the said swaging clamp piece, push arbitrary gear projection, the release from the said tool rest fast of said blade.
Preferably, the front end of said swaging clamp piece comprises a lock knife bar, and said lock knife bar stretches into the cutter groove lock blade of blade.
Preferably, the inside of said at least one gear projection is empty, and set inside one return spring of said this gear projection is pushed this gear projection, the compression spring, and said lock knife bar breaks away from release from the cutter groove of said blade.
Preferably, the afterbody back side of said swaging clamp piece is provided with a groove, and said groove rear end connects a Ka Tai.
The utility model also provides a kind of cutting knife that has blade locking unlocking structure; Comprise the handle of a knife, inner frame, tool rest and the blade that combine by last handle of a knife and following handle of a knife; On said tool rest, said tool rest is movably arranged in the said inner frame said blade through blade locking unlocking structure locking/unlocking, and said inner frame is arranged in the said handle of a knife; Push said blade locking unlocking structure, said blade breaks away from release from tool rest; Said blade locking unlocking structure comprises a swaging clamp piece, and said swaging clamp piece is arranged on the said tool rest, comprises some gear projections on the said swaging clamp piece, pushes arbitrary gear projection, the release from the said tool rest fast of said blade.
Preferably; Be arranged with a bar-shaped trough in the said tool rest; Said swaging clamp piece is arranged on this bar-shaped trough, and the front end downside of this bar-shaped trough is communicated with a lock cutter groove, and the front end of said swaging clamp piece is provided with a lock knife bar; Said lock knife bar is positioned at this lock cutter groove, and said lock knife bar stretches into the cutter groove lock blade of said blade.
Preferably, the rear end of said bar-shaped trough also is provided with a fulcrum boss, corresponding, the afterbody back side of said swaging clamp piece is provided with a groove, and said fulcrum boss is stuck in this groove, and said groove rear end also is convexly equipped with Yi Katai.
Preferably, gapped between said swaging clamp piece and the said bar-shaped trough.
Preferably, the inside of said at least one gear projection is empty, set inside one return spring of said this gear projection; Said return spring is against in the said bar-shaped trough; Push this gear projection, the compression spring, said lock knife bar breaks away from release from the cutter groove of said blade.
Compared with prior art, there is following technique effect in the utility model:
The utility model provides a kind of blade locking unlocking structure; This structure comprises a swaging clamp piece, comprises some gear projections on the swaging clamp piece, in the utility model; Comprise at least two gear projections on the swaging clamp piece; Several gear projections are promptly arranged, and blade just has several states, like retracted mode and open mode etc.When retracted mode or open mode, push this blade locking unlocking structure, then blade breaks away from release from tool rest.This is simple in structure, easy to operate, has solved structure too complex and unhandy technical problem that existing cutting knife is changed blade.
The utility model also provides a kind of cutting knife that has blade locking unlocking structure, and this cutting knife just can reach the purpose of quick release blade exchange blade through pushing blade release button.This cutting knife is simple in structure, only needs to promote push button, makes swaging clamp piece and blade release button face (when swaging clamp piece and blade release button face; Blade is in to be opened fully or withdraws fully or be in other states); Push blade release button then, the lock knife bar of swaging clamp piece comes from the blade disengaging, so blade just can spin off from tool tip; Be convenient for changing blade, solved structure too complex and unhandy technical problem that existing cutting knife is changed blade.
Description of drawings
Fig. 1 disassembles sketch map for the structure of a kind of cutting knife of the utility model;
Fig. 2 disassembles sketch map for the structure of the tool rest of the utility model;
Fig. 3 is the structural representation of the tool tip of the utility model;
Fig. 4 A and Fig. 4 B are the structural representation of the swaging clamp piece of the utility model;
Fig. 5 is the blade of the utility model and the assembling sketch map of tool tip;
The structural representation that Fig. 6 launches blade for the utility model fully;
The cutaway view A-A that Fig. 7 launches blade for the utility model fully;
Fig. 8 pushes the structural representation of gear projection two for the utility model;
Fig. 9 is the structural representation of the utility model with the blade withdrawal;
Figure 10 is the cutaway view B-B of the utility model with the blade withdrawal;
Figure 11 pushes the structural representation of gear projection one for the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done further detailed narration.
The utility model provides a kind of blade locking unlocking structure, and this structure can be applied on any cutter, and the utility model does not limit.This blade locking unlocking structure comprises some gear projections, and the number of gear projection is more than or equal to 2, and promptly each gear projection is represented a kind of state of blade; Number like the gear projection is two, and then be under two states can quick release for blade, the one, and the complete retracted mode of blade; The one, the blade full open position, and the like, the gear projection can be three; Then blade is under three kinds of states of appointment and just can carries out quick release, and the gear projection can be four, and then blade is under four kinds of states and just can carries out quick release; The utility model does not limit the number of gear projection, and simultaneously, blade has several kinds of configuration states also not limit; For the ease of describing,, describe in detail to be that two structure combines accompanying drawing down to enumerating the protruding number of gear.
Please refer to Fig. 4 A and Fig. 4 B, the utility model provides a kind of blade locking unlocking structure, comprises a swaging clamp piece 44; Swaging clamp piece 44 is arranged on the tool rest 4; Comprise some gear projections on the swaging clamp piece 44, in the present embodiment, the gear projection is two; Push arbitrary gear projection, blade 43 can break away from release from tool rest 4 apace.
In the present embodiment, the front end of swaging clamp piece 44 comprises a lock knife bar 444, and the effect of lock knife bar 44 is locking blades 43, promptly locks the cutter groove lock blade 43 that knife bar 444 stretches into blade 43.The inside of at least one gear projection is empty, and set inside one return spring 443 of this gear projection is pushed this gear projection, compression retracteding position spring 443, and lock knife bar 44 breaks away from release from the cutter groove of blade 43.The afterbody back side of swaging clamp piece 44 is provided with a groove 445, and groove 445 rear ends connect a card platform 446.
Below blade is locked unlocking structure be applied on the cutting knife and lift a specific embodiment, with the gear projection be two be example, promptly blade is in and opens fully and can carry out quick release under the retracted mode fully, describes in detail.Certainly, the number of gear projection can be more than two, and the state of blade can carry out quick release under the situation that is in two states, for the ease of explanation, is that two, blade are under the situation of two states and specify to the gear projection only.
Please refer to Fig. 1, a kind of cutting knife that has blade locking unlocking structure comprises the handle of a knife, inner frame 3, tool rest 4 and the blade 43 that are combined by last handle of a knife 1 and following handle of a knife 2; Blade 43 is arranged on the tool rest 4 through blade locking unlocking structure, and blade locking unlocking structure comprises a swaging clamp piece 44, comprises some gear projections on the swaging clamp piece 44; Tool rest 4 is movably arranged in the inner frame 3; Last handle of a knife 1 is separately positioned on inner frame 3 both sides with following handle of a knife 2, also comprises blade release button 5, and blade release button 5 is arranged on the handle of a knife; Push blade release button 5; Blade release button 5 can push on the swaging clamp piece 44, and blade 43 breaks away from release from tool rest 4 fast, and then changes blade 43.
Please refer to Fig. 2; Tool rest 4 comprises tool tip 41 and tool tip cover plate 42; The accommodation space of tool tip 41 and tool tip cover plate 42 formation one ccontaining blade 43; Blade 43 is stuck in this accommodation space through swaging clamp piece 44, and promptly blade 43 is arranged on the tool tip 41, and with tool tip cover plate 42 blade 43 is fastened.
Please refer to Fig. 3; Be arranged with a bar-shaped trough 411 on the tool tip 41; Blade 43 is arranged on the downside of bar-shaped trough 411; The front end downside of this bar-shaped trough 411 is communicated with a lock cutter groove 412, and this lock cutter groove 412 overlaps (lock cutter groove 412 and can overlap with the preceding groove on the blade 43 yet, the utility model does not limit) with pit on the blade 43; The afterbody downside of this bar-shaped trough 411 is communicated with a deep-slotted chip breaker 413, and deep-slotted chip breaker 413 rear ends also are provided with a fulcrum boss 414, and this fulcrum boss 414 plays the effect of fulcrum.
Please refer to Fig. 4 A and Fig. 4 B, swaging clamp piece 44 is arranged in the bar-shaped trough 411, corresponding, the front end of swaging clamp piece 44 comprises a lock knife bar 444, lock knife bar 444 pins the pit of blade 43 and is positioned at the lock cutter groove 412 on the tool tip 41, plays locking blade 43; The middle part of swaging clamp piece 44 is provided with some gear projections, and the utility model does not limit the number of gear projection, in the present embodiment; The number of gear projection is two, is respectively gear projection 1 and gear projection 2 441, and gear projection 1 is positioned at the place ahead of gear projection 2 441; In the utility model, gear projection 1 is solid, and gear projection 1 is tangent with the lower limb of lock knife bar 444; The inside of gear projection 2 441 is empty, positioned inside one return spring 443 of gear projection 2 441, and return spring 443 is against in the bar-shaped trough 411; The lower limb of gear projection 2 441 protrudes from the lower limb of lock knife bar 444, and the lower limb of gear projection 2 441 is positioned at the deep-slotted chip breaker 413 on the tool tip 41; Gear projection 2 441 not only plays the effect of contact point; Simultaneously, gear projection 2 441 inside are hollowed out settles return spring 443, has solved the problem of settling return spring 443 insufficient spaces; The afterbody back side of swaging clamp piece 44 is provided with a groove 445, and fulcrum boss 414 is stuck in this groove 445; Groove 445 rear ends are convexly equipped with a card platform 446.The gear projection all is positioned at the front (one side that departs from bar-shaped trough 411 is for positive) of lock knife bar 444, and deep-slotted chip breaker 413 and Ka Tai 446 are positioned at the back side (that promptly close with bar-shaped trough 411 one side) of lock knife bar 444.Please refer to Fig. 5, in the utility model, in order to satisfy the gear projection on the extruding swaging clamp piece 44; Make blade 43 and the condition that swaging clamp piece 44 breaks away from, must make between swaging clamp piece 44 and the bar-shaped trough 411 gapped, therefore; During gear projection on extruding swaging clamp piece 44, be fulcrum with fulcrum boss 414, swaging clamp piece 44 squints backward; Finally making lock knife bar 444 from the pit of blade 43, break away from comes; Blade 43 has been carried out release, can blade 43 be taken off from tool tip 41, changes blade 43.
Corresponding to the position of gear projection, some posts hole 421 is set on the tool tip cover plate 42, in the present embodiment, the number in post hole 421 is two, the gear projection on the swaging clamp piece 44 can pass post hole 421, is convenient to push the gear projection.
The upper end of inner frame 3 is provided with the breach that supplies push button 45 move left and right, and in the utility model, interior firmware is to form with two boards; This two boards has certain distance; And connect in the preceding upper end of this two boards, tool rest 4 moves between this two boards, and prevents tool rest 4 inner frame 3 that when front slide, slips away out; And on the inwall of inner frame 3 block is set, purpose is to prevent tool tip 41 inner frame 3 that slips away out when slipping away backward.
On the following handle of a knife 2 installation through holes is set; Blade release button 5 passes this installation through holes, and is movably arranged between this following handle of a knife 2 and the inner frame 3 through a spring 6, corresponding; One through hole also is set on the inner frame 3, is convenient to blade release button 5 and passes inner frame 3 and remove to push the gear projection.In the present embodiment, blade release button 5 is a hollow, and blade release button 5 set inside are together jack-post body 33; Coaxial cylinder 33 protrudes from blade release button 5, and a spring 6 is set on the coaxial cylinder 33, and promptly spring 6 is enclosed within on the coaxial cylinder 33; In the present embodiment; The diameter of the through hole on the inner frame 3 is less than the diameter of the installation through holes on the following handle of a knife 2, i.e. blade release button 5 and spring 6 are between following handle of a knife 2 and inner frame 3, and coaxial cylinder 33 can pass inner frame 3 and remove to push the gear projection.Promote push button 45, the gear projection on coaxial cylinder 33 and swaging clamp piece 44 is pushed blade release button 5 on time, and coaxial cylinder 33 extruding gear projections make that the lock knife bar 444 on the swaging clamp piece 44 is separated from blade 43, and blade 43 is carried out quick release.
In the present embodiment, blade 43 release from the tool rest 4 is got off to have two states, the one, blade 43 full open position; Be about to tool rest 4 and be pulled to inner frame 3 foremost, blade release this moment button 5 is aimed at gear projection 2 441, please refer to Fig. 6, Fig. 7 and Fig. 8; Push blade release button 5, coaxial cylinder 51 extruding gear projections 2 441, gear projection 2 441 compression retracteding position springs 443; At this moment, swaging clamp piece 44 begins in bar-shaped trough 411, to fit, and is separated from the pit of blade 43 until the gear projection 1 of swaging clamp piece 44; Blade 43 releases can be extracted blade 43 out from tool tip 41; The 2nd, blade 43 complete retracted modes are about to tool rest 4 and push away for 3 li to inner frame, are against up to tool tip 41 on the block 33 of inner frame 3; Stoped its motion, blade release this moment button 5 is aimed at gear projection 1, please referring to Fig. 9, Figure 10 and Figure 11; Push blade release button 5, coaxial cylinder 51 extruding gear projections 1, at this moment; Swaging clamp piece 44 begins in bar-shaped trough 411, to fit; Be separated from the pit of blade 43 until the gear projection 1 of swaging clamp piece 44, blade 43 releases can be extracted blade 43 out from tool tip 41.
More than a disclosed specific embodiment that is merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (9)
1. blade locking unlocking structure is characterized in that comprise a swaging clamp piece, said swaging clamp piece is arranged on the tool rest, comprises some gear projections on the said swaging clamp piece, pushes arbitrary gear projection, the release from the said tool rest fast of said blade.
2. blade locking unlocking structure as claimed in claim 1 is characterized in that the front end of said swaging clamp piece comprises a lock knife bar, and said lock knife bar stretches into the cutter groove lock blade of blade.
3. blade locking unlocking structure as claimed in claim 2 is characterized in that the inside of said at least one gear projection is empty; Set inside one return spring of said this gear projection; Push this gear projection, the compression spring, said lock knife bar breaks away from release from the cutter groove of said blade.
4. blade locking unlocking structure as claimed in claim 1 is characterized in that the afterbody back side of said swaging clamp piece is provided with a groove, and said groove rear end connects a Ka Tai.
5. one kind has the cutting knife that blade locks unlocking structure; Comprise the handle of a knife, inner frame, tool rest and the blade that combine by last handle of a knife and following handle of a knife, it is characterized in that said blade locks the unlocking structure locking/unlocking on said tool rest through blade; Said tool rest is movably arranged in the said inner frame; Said inner frame is arranged in the said handle of a knife, pushes said blade locking unlocking structure, and said blade breaks away from release from tool rest; Said blade locking unlocking structure comprises a swaging clamp piece, and said swaging clamp piece is arranged on the said tool rest, comprises some gear projections on the said swaging clamp piece, pushes arbitrary gear projection, the release from the said tool rest fast of said blade.
6. the cutting knife that has blade locking unlocking structure as claimed in claim 5; It is characterized in that be arranged with a bar-shaped trough in the said tool rest, said swaging clamp piece is arranged on this bar-shaped trough; The front end downside of this bar-shaped trough is communicated with a lock cutter groove; The front end of said swaging clamp piece is provided with a lock knife bar, and said lock knife bar is positioned at this lock cutter groove, and said lock knife bar stretches into the cutter groove lock blade of said blade.
7. the cutting knife that has blade locking unlocking structure as claimed in claim 6; It is characterized in that; The rear end of said bar-shaped trough also is provided with a fulcrum boss, corresponding, the afterbody back side of said swaging clamp piece is provided with a groove; Said fulcrum boss is stuck in this groove, and said groove rear end also is convexly equipped with Yi Katai.
8. the cutting knife that has blade locking unlocking structure as claimed in claim 7 is characterized in that, and is gapped between said swaging clamp piece and the said bar-shaped trough.
9. the cutting knife that has blade locking unlocking structure as claimed in claim 8; It is characterized in that the inside of said at least one gear projection is empty, set inside one return spring of said this gear projection; Said return spring is against in the said bar-shaped trough; Push this gear projection, the compression spring, said lock knife bar breaks away from release from the cutter groove of said blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203601399U CN202318347U (en) | 2011-09-23 | 2011-09-23 | Blade locking and unlocking structure and cutting knife with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203601399U CN202318347U (en) | 2011-09-23 | 2011-09-23 | Blade locking and unlocking structure and cutting knife with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202318347U true CN202318347U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203601399U Expired - Lifetime CN202318347U (en) | 2011-09-23 | 2011-09-23 | Blade locking and unlocking structure and cutting knife with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202318347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037611A (en) * | 2019-12-13 | 2020-04-21 | 江南大学 | Assembled art designer's sword |
| CN111315547A (en) * | 2017-07-13 | 2020-06-19 | 菲斯科尔思品牌有限公司 | Multifunctional blade holding mechanism |
-
2011
- 2011-09-23 CN CN2011203601399U patent/CN202318347U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111315547A (en) * | 2017-07-13 | 2020-06-19 | 菲斯科尔思品牌有限公司 | Multifunctional blade holding mechanism |
| CN111315547B (en) * | 2017-07-13 | 2021-12-17 | 菲斯科尔思品牌有限公司 | Multifunctional blade holding mechanism |
| CN111037611A (en) * | 2019-12-13 | 2020-04-21 | 江南大学 | Assembled art designer's sword |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |