CN201235542Y - Safe dismountable cutter knife - Google Patents
Safe dismountable cutter knife Download PDFInfo
- Publication number
- CN201235542Y CN201235542Y CNU2008200501611U CN200820050161U CN201235542Y CN 201235542 Y CN201235542 Y CN 201235542Y CN U2008200501611 U CNU2008200501611 U CN U2008200501611U CN 200820050161 U CN200820050161 U CN 200820050161U CN 201235542 Y CN201235542 Y CN 201235542Y
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- Prior art keywords
- knife rest
- blade
- knife
- clamping
- groove
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- Expired - Fee Related
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Abstract
The utility model discloses a safe dismountable cutting knife which comprises a knife holder, a knife carrier and a blade, wherein a blade groove for containing the blade is arranged on the knife carrier, a clamping groove is arranged on the blade, an elastic mounting and dismounting device used for mounting and dismounting the blade is arranged on the knife carrier, and an elastic locking device used for locking the elastic mounting and dismounting device is also arranged on the knife carrier. The utility model can conveniently achieve the aim of mounting the blade to be ground or replaced and ensures that the blade can not be dismounted due to misoperation when the blade does not need dismounting, thereby effectively achieving the aim of safe use.
Description
Technical field
The utility model relates to cutting knife, the cutting knife that particularly a kind of safety-type can be for convenience detach.
Background technology
In the prior art, the use that cuts with guarded blade utility knife is more and more general.Usually, used cutting knife generally comprises handle of a knife and blade, and wherein blade is collapsible in the handle of a knife and takes in, so that the user carries; Perhaps, blade is not collapsible, but by putting a sheath outside blade, thereby also can accomplish the purpose carried, but this kind cutter is longer, is not easy to carry.In addition, cutting knife commonly used in use for some time, blade will rust, be not easy to continue to use, like this, just be necessary blade is taken off grinding or changes blade, and blade all is directly to be fixed on the handle of a knife usually, the disassembly process complexity need just can carry out by other instrument, and disassembly process is very inconvenient.
In order to solve the problem that can be convenient for changing blade, Granted publication number is CN2759723Y, name is called the Chinese utility model patent of the cutter of detachable blade, this patent disclosure a kind of cutter of detachable blade, described cutter comprises tool rest, handle of a knife, be inserted into blade and clamping sheet in the tool rest with can being an angle respectively, wherein blade is provided with at least one groove, the clamping sheet is provided with and corresponding at least one projection of this groove, in addition, also be provided with on the tool rest: pin-and-hole, pin can pass this pin-and-hole, and pin is fixedly attached on the clamping sheet, and the diameter of pin-and-hole is greater than the diameter of pin; And spring groove, its inside is equipped with spring, and this spring is positioned at clamping sheet below.This cutter removal of inserts easily carries out sharpening or replacing, but, this cutter also has when pin is pressed in the careless maloperation of user simultaneously, can make blade from tool rest, unload out, like this, the blade of unloading down very easily hurts the user, has bigger potential safety hazard, can not accomplish purpose convenient and safe handling.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of safety-type detachable cutting knife, this cutting knife can be accomplished the purpose that removal of inserts is ground or changed easily, also guarantee when need not to unload blade simultaneously, blade can not accomplished the purpose of using safely effectively because of maloperation is removed.
In order to realize above-mentioned technical purpose, the utility model is realized by following technical scheme:
The detachable cutting knife of a kind of safety-type, comprise handle of a knife, knife rest and blade, described knife rest is provided with the insert groove of ccontaining blade, blade is provided with the screens groove, described knife rest is provided with the elasticity handler that is used to load and unload blade, also is provided with the elastic locking device that is used for the locking elastic handler on the described knife rest.
Described elasticity provision for disengagement comprises the clamping sheet with the blade clamping, and the back-moving spring that makes clamping sheet elastic reset, knife rest is provided with the clamping film trap of ccontaining this clamping sheet, the position of contiguous this clamping film trap is provided with open slot on knife rest, described clamping sheet is an I-shape construction, its left part places in the clamping film trap, right part places in the open slot, the right part of described clamping sheet is provided with the screens projection of downward extension, this screens projection cooperates clamping with screens groove on the blade, described clamping film trap is the square groove that middle part, one side is provided with opening, and open slot is communicated with the clamping film trap; Described back-moving spring is placed in the zone that clamping sheet and clamping film trap surround, and is provided with the opening chute at clamping sheet trench bottom, and the clamping sheet is provided with pin-and-hole, and it is corresponding with the opening runner position, and this pin-and-hole is provided with pin.
Described elastic locking device comprises locking plate and places promotion button on the locking plate, the locking plate groove that on knife rest, is provided with ccontaining locking plate and locking plate is slided within it, this locking plate groove is communicated with open slot, the front end of described locking plate is provided with can extend to the blend stop to stop that the clamping sheet moves in the open slot when front slide, the lock side of film trap of described knife rest also is provided with the spring groove that is connected with the locking plate groove, and the side corresponding to spring groove on this locking plate is provided with two arc recess, the compression spring is set in spring groove, is provided with spherical steel ball in the junction of the arc recess of this compression spring and locking plate.
Described knife rest comprises mounting under sheet in the knife rest, knife rest upper cover plate and the knife rest, described insert groove places the bottom surface of knife rest sheet, described insert groove places the bottom surface of knife rest sheet, described clamping film trap, locking plate groove and spring groove all are arranged at the surface of sheet in the knife rest, described knife rest upper cover plate is provided with is convenient to promote the arc promotion chute that button slides, and also be provided with through hole on the knife rest upper cover plate, it is corresponding with the pin-and-hole position on the clamping sheet, and the through hole that described pin passes the knife rest upper cover plate is connected on the pin-and-hole.
Described blade is provided with two screens grooves, correspondingly on the described clamping sheet also is provided with two screens projections.
Lock in order to promote locking plate easily, the surface of described promotion button is provided with tread plate.
Hinged by articulated elements between described knife rest and handle of a knife, described handle of a knife is provided with the accommodating groove that is used to take in knife rest and blade behind the folding knife rest.
Also be provided with the buckle folder of being convenient to carry on the described handle of a knife.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model is because knife rest is provided with the locking device of lock knife sheet handler, avoided the potential safety hazard blade unloaded down because of the maloperation handler, improved the security performance of cutting knife effectively, with the security of guaranteeing to carry, also guarantee user's safe handling simultaneously;
(2) the utility model need not can easily blade removal be got off by other instrument, grinds or changes, and its disassembly process is simply quick.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Fig. 1 is the Facad structure schematic diagram of the utility model cutting knife.
Fig. 2 is the structure schematic diagram of the utility model cutting knife.
Fig. 3 is the Facad structure schematic diagram of the utility model intermediate slide intermediate.
Fig. 4 is the structure schematic diagram of the utility model intermediate slide intermediate.
Fig. 5 is the structural representation of the utility model intermediate slide upper cover plate.
Fig. 6 is the structural representation of mounting under the utility model intermediate slide.
Fig. 7 is the structural representation of locking plate in the utility model.
Fig. 8 is the scheme of installation that pin is installed in the clamping sheet in the utility model.
Blade, clamping sheet and knife rest intermediate assembling schematic diagram when Fig. 9 is the utility model disassembly status.
Figure 10 is that blade is connected to structural representation in the insert groove in the utility model.
Figure 11 blade structure schematic diagram.
Figure 12 is the assembling schematic diagram of blade, clamping sheet and knife rest intermediate during lock-out state in the utility model.
Figure 13 is the A-A cutaway view of above-mentioned Figure 12.
The specific embodiment
As Fig. 1～Fig. 6 and shown in Figure 13, the detachable cutting knife of a kind of safety-type of the present utility model, comprise handle of a knife 1, knife rest 2 and blade 3, described knife rest 2 is for dividing body structure, it specifically comprises knife rest upper cover plate 21, intermediate 22 and following mounting 23, is provided with the insert groove 221 of ccontaining blade in the bottom surface of intermediate 22.In addition, as Figure 10 and shown in Figure 11, blade 3 is provided with two screens grooves 31 of being convenient to clamping.Described knife rest 2 is provided with the elasticity handler that is used to load and unload blade, also is provided with the elastic locking device that is used for the locking elastic handler on the described knife rest 2.
As Fig. 9 and shown in Figure 12, described elasticity provision for disengagement comprises the clamping sheet 4 with blade 3 mutual clampings, and the back-moving spring 5 that makes clamping sheet 4 elastic resets, be provided with the clamping film trap 222 of ccontaining this clamping sheet 4 at the upper surface of knife rest intermediate 22, in addition, be provided with open slot 223 in the position of contiguous this clamping film trap 222.As Fig. 8, Fig. 9 and shown in Figure 12, clamping sheet 4 is an I-shape construction, its left part places in the clamping film trap 222, right part places in the open slot 223, and the right part of clamping sheet 4 is provided with two screens projections 41 that extend downwards, this screens projection 41 extend out to insert groove 221 backs from the another side of open slot 223 and cooperates clamping with screens groove 31 on the blade 3, and described clamping film trap 222 is for being provided with the square groove of opening in the middle part of one side, and described open slot 223 is communicated with clamping film trap 222.5 of back-moving springs place in the zone that clamping sheet 4 and clamping film trap 222 surround, in addition, be provided with opening chute 224 in clamping film trap 222 bottoms, clamping sheet 4 is provided with pin-and-hole 42, it is corresponding with opening chute 224 positions, corresponding with it, on knife rest upper cover plate 21, also be provided with through hole 211, it is corresponding with pin-and-hole 42 positions on the clamping sheet 4, and the through hole 211 that described pin 9 passes knife rest upper cover plate 21 is connected on the pin-and-hole 42.
As Fig. 3, Fig. 6, Fig. 9 and shown in Figure 12, described elastic locking device comprises locking plate 6 and places promotion button 61 on the locking plate 6, promotes locking plate 6 for convenience and makes its locking blade 3, is provided with tread plate 611 on the surface that promotes button 61.The locking plate groove 225 that is provided with ccontaining locking plate 6 and locking plate 6 is slided within it at the upper surface of knife rest intermediate 22, this locking plate groove 225 is communicated with above-mentioned open slot 223, and the front end of locking plate 6 is provided with can extend to the blend stop 62 to stop that clamping sheet 4 moves to knife rest 2 backs in the open slot 223 when front slide, the lock side of film trap 225 of described knife rest intermediate 22 also is provided with the spring groove 226 that is connected with locking plate groove 225, and the side corresponding to spring groove 226 on this locking plate 6 is provided with two arc recess 63, compression spring 7 is set in spring groove 226, is provided with spherical steel ball 8 in the junction of the arc recess 63 that compresses spring 7 and locking plate 6.In addition, as shown in Figure 6, described knife rest upper cover plate 21 is provided with is convenient to promote the promotion chute 212 that button 61 slides.
As shown in Figures 1 and 2,1 on described knife rest 2 and handle of a knife are undertaken hinged by articulated elements, and when knife rest 2 rotation that blade 3 will be installed and with it when folding, knife rest 2 can be collected in the accommodating groove (not shown) set to the handle of a knife 1, conveniently carries.In addition, as shown in Figure 2, handle of a knife 1 is provided with the buckle folder of being convenient to carry 11.
When the utility model cutting knife need be changed blade, promote pin 9 and make its back to knife rest 2, so just drive is moved laterally with the clamping sheet 4 of blade 3 mutual clampings, the screens projection 41 of clamping sheet 4 and the screens groove 31 of blade 3 are disengaged, can easily blade 3 be taken off and grind or change.When the blade 3 that more renews or the sharp blade 3 after will grinding when continuing to install, promoting pin 9 moves its back to knife rest 2, then blade 3 is inserted in the insert groove, decontrol pin 9 at last, under the effect of back-moving spring 5, the screens projection 41 of clamping sheet 4 is lived with screens groove 31 clampings of blade 3.The dismounting of blade 3 and installation are all very convenient, need not can finish by other instrument.
In addition, after blade 3 has installed, because user's maloperation promotes pin 9 sometimes, thereby can under the situation without any defence blade be unloaded down, this exists bigger potential safety hazard concerning the user.The utility model is by being provided with elastic locking device head it off preferably.
The locking process of this elastic locking device is specific as follows: the structural representation when Fig. 9 is unlocked state, this moment, first arc recess 63 of locking plate 6 closely contacted with spherical steel ball 8.After blade 3 installs, promote locking plate 6 forward, motive force overcomes the elastic force of compression spring 7, another arc recess 63 is closely contacted with spherical steel ball 8, thereby make blend stop 62 on the locking plate 6 extend in the open slot 223 forward and stop that clamping sheet 4 moves (as shown in figure 12), like this, just stoped clamping sheet 4 to move to the back of knife rest 2 direction, guaranteed that 3 on clamping sheet 4 and blade are in the clamping state all the time, thereby accomplish to lock the purpose of blade 3, the potential safety hazard of having avoided effectively because of maloperation blade removal being got off and having stabbed the user is guaranteed the safety using and carry, greatly improves the security performance of this cutting knife.
Claims (9)
1. detachable cutting knife of safety-type, comprise handle of a knife, knife rest and blade, described knife rest is provided with the insert groove of ccontaining blade, blade is provided with the screens groove, it is characterized in that: described knife rest is provided with the elasticity handler that is used to load and unload blade, also is provided with the elastic locking device that is used for the locking elastic handler on the described knife rest.
2. the detachable cutting knife of safety-type according to claim 1, it is characterized in that: described elasticity provision for disengagement comprises the clamping sheet with the blade clamping, and the back-moving spring that makes clamping sheet elastic reset, knife rest is provided with the clamping film trap of ccontaining this clamping sheet, the position of contiguous this clamping film trap is provided with open slot on knife rest, described clamping sheet is an I-shape construction, its left part places in the clamping film trap, right part places in the open slot, the right part of described clamping sheet is provided with the screens projection of downward extension, this screens projection cooperates clamping with screens groove on the blade, described clamping film trap is for being provided with the square groove of opening in the middle part of one side, this open slot is communicated with the clamping film trap; Described back-moving spring is placed in the zone that clamping sheet and clamping film trap surround, and is provided with the opening chute at clamping sheet trench bottom, and the clamping sheet is provided with pin-and-hole, and it is corresponding with the opening runner position, and this pin-and-hole is provided with pin.
3. the detachable cutting knife of safety-type according to claim 2, it is characterized in that: described elastic locking device comprises locking plate and places promotion button on the locking plate, the locking plate groove that on knife rest, is provided with ccontaining locking plate and locking plate is slided within it, this locking plate groove is communicated with open slot, the front end of described locking plate is provided with can extend to the blend stop to stop that the clamping sheet moves in the open slot when front slide, the lock side of film trap of described knife rest also is provided with the spring groove that is connected with the locking plate groove, and the side corresponding to spring groove on this locking plate is provided with two arc recess, the compression spring is set in spring groove, is provided with spherical steel ball in the junction of the arc recess of this compression spring and locking plate.
4. the detachable cutting knife of safety-type according to claim 3, it is characterized in that: described knife rest comprises sheet in the knife rest, mounting under knife rest upper cover plate and the knife rest, described insert groove places the bottom surface of knife rest sheet, described insert groove places the bottom surface of knife rest sheet, described clamping film trap, locking plate groove and spring groove all are arranged at the surface of sheet in the knife rest, described knife rest upper cover plate is provided with is convenient to promote the arc promotion chute that button slides, and also be provided with through hole on the knife rest upper cover plate, it is corresponding with the pin-and-hole position on the clamping sheet, and the through hole that described pin passes the knife rest upper cover plate is connected on the pin-and-hole.
5. according to the detachable cutting knife of each described safety-type of claim 1 to 4, it is characterized in that: described blade is provided with two screens grooves, also is provided with two screens projections on the described clamping sheet accordingly.
6. the detachable cutting knife of safety-type according to claim 5, it is characterized in that: the surface of above-mentioned promotion button is provided with tread plate.
7. the detachable cutting knife of safety-type according to claim 1 is characterized in that: hinged by articulated elements between described knife rest and handle of a knife.
8. the detachable cutting knife of safety-type according to claim 1 is characterized in that: described handle of a knife is provided with the buckle folder of being convenient to carry.
9. the detachable cutting knife of safety-type according to claim 1 is characterized in that: described handle of a knife is provided with the accommodating groove that is used to take in knife rest and blade behind the folding knife rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200501611U CN201235542Y (en) | 2008-07-03 | 2008-07-03 | Safe dismountable cutter knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200501611U CN201235542Y (en) | 2008-07-03 | 2008-07-03 | Safe dismountable cutter knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201235542Y true CN201235542Y (en) | 2009-05-13 |
Family
ID=40648280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200501611U Expired - Fee Related CN201235542Y (en) | 2008-07-03 | 2008-07-03 | Safe dismountable cutter knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201235542Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990681A (en) * | 2012-11-28 | 2013-03-27 | 杭州巨星科技股份有限公司 | Manual knife for preventing blade from falling off by accident |
| CN112753746A (en) * | 2021-01-27 | 2021-05-07 | 上海软馨生物科技有限公司 | Thickness-adjustable auricular cartilage stripper |
-
2008
- 2008-07-03 CN CNU2008200501611U patent/CN201235542Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990681A (en) * | 2012-11-28 | 2013-03-27 | 杭州巨星科技股份有限公司 | Manual knife for preventing blade from falling off by accident |
| CN102990681B (en) * | 2012-11-28 | 2015-04-22 | 杭州巨星科技股份有限公司 | Manual knife for preventing blade from falling off by accident |
| CN112753746A (en) * | 2021-01-27 | 2021-05-07 | 上海软馨生物科技有限公司 | Thickness-adjustable auricular cartilage stripper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HENGLI IMPORT AND EXPORT CO., LTD. Free format text: FORMER OWNER: XU WEIFENG Effective date: 20101009 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315040 ROOM 1401, NO.6, XINGNING LANE, JIANGBEI DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE TO: 321300 NO.173, CHENGBEI WEST ROAD, XICHENG, YONGKANG CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101009 Address after: 321300, No. 173 Chengbei West Road, Xicheng County, Zhejiang, Yongkang Patentee after: Zhejiang Hengli Import & Export Co., Ltd. Address before: 315040, room 6, Lane 1401, Xingning lane, Jiangdong District, Zhejiang, Ningbo Patentee before: Xu Weifeng |
|
| ASS | Succession or assignment of patent right |
Owner name: SHAOXING HENGLI TOOL CO., LTD. Free format text: FORMER OWNER: ZHEJIANG HENGLI IMPORT + EXPORT CO., LTD. Effective date: 20110901 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 321300 JINHUA, ZHEJIANG PROVINCE TO: 315175 SHAOXING, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110901 Address after: The Zhejiang province Shaoxing City Road 315175 west of Paojiang Industrial Zone Patentee after: Shaoxing Hengli Tool Co., Ltd. Address before: 321300, No. 173 Chengbei West Road, Xicheng County, Zhejiang, Yongkang Patentee before: Zhejiang Hengli Import & Export Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20150703 |
|
| EXPY | Termination of patent right or utility model |