CN2719514Y - Blade-dismountable tool knife - Google Patents
Blade-dismountable tool knife Download PDFInfo
- Publication number
- CN2719514Y CN2719514Y CN 200420089012 CN200420089012U CN2719514Y CN 2719514 Y CN2719514 Y CN 2719514Y CN 200420089012 CN200420089012 CN 200420089012 CN 200420089012 U CN200420089012 U CN 200420089012U CN 2719514 Y CN2719514 Y CN 2719514Y
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- CN
- China
- Prior art keywords
- blade
- knife
- tool rest
- card
- projection
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- Expired - Fee Related
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Abstract
The utility model discloses a blade-dismountable tool knife, which comprises a tool shank, a tool apron, a blade, a card and an adapting piece; wherein, the blade is connect to the tool apron by the card which comprises a first hump, a second hump which is positioned at the same end of the card with the first hump side by side, and a first through hole positioned at the other end of the card. The tool apron comprises a first slit in which the blade can be inserted, a second slit in which the card can be inserted, and a second through hole opposite to a first through hole; wherein, the second slit is provided vertically with the first slit. The blade comprises a first recess opposite to the first hump and a second recess which is positioned at the same side of the blade with the first recess side by side; wherein, the second recess is opposite to the second hump. The blade-dismountable tool knife of the utility model is simple in structure, easy to takedown the blade and safe in operation.
Description
Technical field
The utility model relates to a kind of guarded blade utility knife, particularly a kind of guarded blade utility knife of detachable blade.
Background technology
Traditional guarded blade utility knife all is to be made of blade and handle of a knife usually, and wherein blade can fold in the handle of a knife, and is perhaps not collapsible.No matter be folding guarded blade utility knife or not collapsible guarded blade utility knife, in use for some time, the blade very blunt and inconvenient use that can become, at this moment, for traditional guarded blade utility knife, can only blade carry out sharpening, yet blade is mounted on the handle of a knife, and non-dismountable, so the sharpening operation is very inconvenient, and the sharpening effect is also not ideal.
For addressing this problem, Granted publication number discloses a kind of " being with a knife changable guarded blade utility knife " in the Chinese invention patent of CN 1098143C, this guarded blade utility knife has a matrix and the lid that can vertically move with respect to matrix, lid can move on to closing position from the enable possition, in closing position, lid with add before it pressure surface with blade leniently side pressure to the blade support binding face of matrix, lid is clamped each supporter of matrix from below with the clamping area in the middle of at least one in its closing position simultaneously, available in addition its moves on the supporting seat of back at position, rear end of front point of a knife dorsad, and removably in closing position, but be contained on the matrix, and removable blade promptly is fixedly clamped between lid and matrix that closure connects locking.Obviously, this knife changable guarded blade utility knife complex structure, the manufacturing cost height, and the operation of replacing blade is also not too convenient.
The Chinese utility model patent of Granted publication CN 2506404 Y discloses a kind of " multi-purpose tool cutter ", the structure of this multi-purpose tool cutter as shown in Figure 1, this guarded blade utility knife 100 ' comprise handle of a knife 10 ', be loaded into handle of a knife 10 ' on tool rest 20 ', and be loaded into tool rest 20 ' on trapezoidal blade 30 ', wherein tool rest 20 ' can utilize spring leaf fold into handle of a knife 10 ' in.And tool rest 20 ' on have a through hole 22 ' and be used to install blade 30 ' the slit, wherein this through hole 22 ' interior wear a screw 50 ', and an anchor mouth 32 of blade 30 ' be provided with ', change if desired this blade 30 ', then need screw 50 ' turn on and take down, then with blade 30 ' from tool rest 20 ' the slit take out, and if install this blade 30 ', then at first need with blade 30 ' be inserted into tool rest 20 ' the slit in, and make blade 30 ' on anchor mouth 32 ' with tool rest 20 ' on through hole 22 ' align, then with this anchor mouth 32 of screw 50 ' pass ' and opening 22 ', and tighten with fixed blade 30 ' and tool rest 20 ' relative position.Though the multi-purpose tool cutter that this has disclosed simplifies the structure for the guarded blade utility knife that discloses among the Granted publication CN 1098143C, but, tool rest 20 ' and blade 30 ' only fix by a bit, blade 30 ' easily moves and comes off, particularly this guarded blade utility knife 100 ' use in, therefore very dangerous.In addition, change blade 30 ' process in, need be with whole screw 50 ' turn on and take down, it is cumbersome, time-consuming to operate, and the screw of backing out is also lost easily.
The utility model content
The technical problems to be solved in the utility model is the various defectives that overcome above-mentioned prior art, and a kind of guarded blade utility knife of simple in structure, easy to operate and safe and reliable detachable blade is provided.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Guarded blade utility knife according to detachable blade of the present utility model comprises: handle of a knife, tool rest, blade, card and connector, and wherein above-mentioned card is used for blade is connected to tool rest, and this card comprises first projection again; Second projection is positioned on the same side of an end of card side by side with first projection; And first through hole, be positioned on the other end of card.And above-mentioned tool rest comprises first slit, can insert blade in it; Second slit is provided with first slit is vertical, can insert card in it; And second through hole, corresponding with first through hole.Above-mentioned blade comprises first depression again, and is corresponding with above-mentioned first projection; And second the depression, with above-mentioned second the projection corresponding, and with first the depression be positioned at side by side on the same side of blade.In addition, above-mentioned connector is arranged in first through hole and second through hole, is used for blade is connected to described tool rest.
Shapes according to first and second depressions on first and second projectioies on the card of the guarded blade utility knife of detachable blade of the present utility model and the corresponding blade can be semicircle, rectangle, V-type etc.And on this tool rest, also can be provided with the decoration hole of selenodont or heart type.And it is identical with multi-purpose tool cutter shown in Figure 1, guarded blade utility knife according to detachable blade of the present utility model also can be provided with spring leaf in handle of a knife, so that when the tool rest open position relative with handle of a knife, limit this tool rest and fold into motion in the handle of a knife, incised wound finger when avoiding maloperation is only depressed this spring leaf and tool rest could be communicated with blade and fold in the handle of a knife.On the handle of a knife of this guarded blade utility knife, also can be provided with clip in addition, to be convenient for carrying.
Guarded blade utility knife according to detachable blade of the present utility model is simple in structure, and can change blade easily, promptly, when needs are changed blade, connector is unscrewed (not to be needed to turn on and takes down, therefore convenient) then to pusher, make card expose one jiao, and card is turned clockwise out from second slit, and can take away blade and change this moment, and after more finishing changing, card is rotated counterclockwise in second slit, and make first projection be inserted into corresponding first the depression mutually in, and second projection is inserted in corresponding second depression, and afterwards connector is pushed away and tightens connector forward, get final product the relative position of fixed blade and tool rest, and it is fixing by 2, very firm, be difficult for moving and coming off, more safe and reliable.
Description of drawings
Figure 1 shows that the structural representation of the multi-purpose tool cutter that discloses in the prior art;
Figure 2 shows that the structural representation according to the guarded blade utility knife of detachable blade of the present utility model, wherein card turns clockwise out from second slit;
Fig. 3 further shows the structure according to the card and the blade of detachable blade of the present utility model; And
Figure 4 shows that wherein card has been rotated counterclockwise in second slit according to another structural representation of the guarded blade utility knife of detachable blade of the present utility model.
The specific embodiment
Relevant preferred embodiment of the present utility model is described in detail as follows referring now to accompanying drawing.
Fig. 2 is the structural representation according to the guarded blade utility knife of detachable blade of the present utility model, and wherein card 40 spins out from this second slit 24 clockwise.As seen from the figure, this guarded blade utility knife 100 mainly comprises handle of a knife 10, tool rest 20 and blade 30, and wherein, tool rest 20 is connected between handle of a knife 10 and the blade 30.Particularly, this tool rest 20 comprise first slit 22 that is positioned at its front end and with these first slit, 22 vertically disposed second slits 24, can insert blade 30 in this first slit 22, and can insert card 40 in this second slit 24.In addition, also be provided with one second through hole 26 and a meniscate decoration hole 28 on this tool rest 20, this meniscate decoration hole 28 also can be (not shown)s such as heart type, circle certainly.Connector 50 is arranged in this second through hole 26, and this connector 50 can be the combination of bolt and nut.
The annexation of each parts of this guarded blade utility knife 100 is as follows, tool rest 20 removably is connected by screw 12 with handle of a knife 10, certainly, those skilled in the art will find apparent that this screw 12 also can be replaced by rivet, if by being connected by rivet, then this tool rest 20 is non-removable with handle of a knife 10.Blade 30 is inserted in first slit 22 of tool rest 20, and card 40 is inserted in second slit 24 of tool rest 20, and like this, the blade 30, card 40 and the handle of a knife 10 that are about to this guarded blade utility knife 100 by tool rest 20 have coupled together.
In addition, with reference to shown in Figure 3, this figure further shows the structure according to the card 40 and the blade 30 of detachable blade 100 of the present utility model.Wherein card 40 comprises first projection, 42 and second projection 44, and it is positioned at the same side of an end of card 40 side by side; And first through hole 46, it is positioned at the other end of this card 40, this first through hole 46 is corresponding with second through hole 26 on the tool rest 20, and above-mentioned connector 50 promptly passes second through hole 26 on this first through hole 46 and the tool rest 20 simultaneously, thereby this card 40 can be connected on the tool rest 50.And blade 30 comprises first depression, 32 and second depression 34 of the same side that is positioned at blade 30 side by side.
Please the figure shows another structural representation according to the guarded blade utility knife 100 of detachable blade of the present utility model simultaneously with reference to shown in Figure 4, wherein card 40 has been rotated counterclockwise in second slit 24.In illustrated this position, first projection 42 on the card 40 is inserted in the depression of first on the blade 30 32, second projection 44 on the card 40 is inserted in the depression of second on the blade 30 34 simultaneously, and fastening this connector 50 of while, like this, card 40 is fixed in second slit 24 of tool rest 20 by connector 50, by first and second projectioies 32,34 and first and second depressions 32,34 blade 30 and card 40 are fixed simultaneously, thereby blade 30 can be fixed in first slit 22 of tool rest 20.
Change and take out this blade 30 if desired, then only need unscrew connector 50, and do not need as the multi-purpose tool cutter that discloses in the prior art, connector 50 turned on take away, like this, it is more convenient to operate, and can avoid the something lost of connector 50 to fall, after connector unscrewed, shift it rear of second through hole 26 on the tool rest 20 shown in Fig. 2 or Fig. 4 (showing the difformity of two kind of second through hole 26 among Fig. 2 and Fig. 4 respectively) onto backward, make card 40 expose one jiao, then second slit 24 is produced in card 40 dextrorotations, at this moment, first depression 32 on projection 42 of first on the card 40 and the tool rest breaks away from, and second depression 34 on projection 44 of second on the card 40 and the tool rest is separated, thereby, blade 30 without any fixing point, can be taken down, to change in first slit 22 of tool rest 20 easily.
In addition, according to preferred embodiment of the present utility model, it is (not shown to be provided with a spring leaf in the handle of a knife 10 of this guarded blade utility knife 100, the structure of this spring leaf is a prior art, Chinese utility model patent at Granted publication CN 2506404 Y is open, repeated description no longer herein), when handle of a knife 10 and tool rest 20 are in relative position of opening, this spring card props up the end of tool rest 20, thereby limited tool rest 20 and folded into motion in the handle of a knife 10, and if desired tool rest 20 is folded in the handle of a knife 10, then need depress this spring leaf.
In addition, on the another side of handle of a knife, also can be provided with a clip 60 according to the guarded blade utility knife 100 of detachable blade of the present utility model, as shown in Figure 4.Can be convenient for carrying this guarded blade utility knife 100 by this clip 60.
To sum up, not only simple in structure according to the guarded blade utility knife 100 of detachable blade of the present utility model, and also the operation of removal of inserts 30 is also very easy, in addition, blade 30 is fixed in the tool rest 20 by two point locations of card 40, thereby be difficult for to produce moves even come off, and is more safe and reliable.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, 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 (9)
1. the guarded blade utility knife of a detachable blade, comprising: handle of a knife, tool rest and blade, wherein said tool rest are connected between described handle of a knife and the described blade, it is characterized in that: the guarded blade utility knife of described detachable blade also comprises:
Card is used for described blade is connected to described tool rest, comprising:
First projection;
Second projection is positioned on the same side of an end of described card side by side with described first projection; And
First through hole is positioned on the other end of described card, and described tool rest comprises:
First slit, described blade can insert;
Second slit, with vertical setting of described first slit, described card can insert; And
Second through hole, corresponding with described first through hole, described blade comprises:
First depression, corresponding with described first projection; And
Second caves in, corresponding with described second projection, and is positioned at side by side on the same side of described blade with described first depression,
Connector is arranged in described first through hole and second through hole, is used for described blade is connected to described tool rest.
2. the guarded blade utility knife of detachable blade according to claim 1 is characterized in that: described first projection, second projection, and the shape of corresponding first depression, second depression is semicircle.
3. the guarded blade utility knife of detachable blade according to claim 1 is characterized in that: described first projection, second projection, and the shape of corresponding first depression, second depression is a V-type.
4. the guarded blade utility knife of detachable blade according to claim 1 is characterized in that: described first projection, second projection, and the shape of corresponding first depression, second depression is a rectangle.
5. the guarded blade utility knife of detachable blade according to claim 1, it is characterized in that: described tool rest is provided with the selenodont decoration hole.
6. the guarded blade utility knife of detachable blade according to claim 1, it is characterized in that: described tool rest is provided with the heart-shaped decorative hole.
7. the guarded blade utility knife of detachable blade according to claim 1, it is characterized in that: described connector is bolt and nut.
8. the guarded blade utility knife of detachable blade according to claim 1 is characterized in that: be provided with spring leaf in the described handle of a knife, be used for described tool rest and handle of a knife are fixed on open position.
9. the guarded blade utility knife of detachable blade according to claim 1 is characterized in that: also be provided with clip on the described handle of a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089012 CN2719514Y (en) | 2004-08-23 | 2004-08-23 | Blade-dismountable tool knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089012 CN2719514Y (en) | 2004-08-23 | 2004-08-23 | Blade-dismountable tool knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2719514Y true CN2719514Y (en) | 2005-08-24 |
Family
ID=35008480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420089012 Expired - Fee Related CN2719514Y (en) | 2004-08-23 | 2004-08-23 | Blade-dismountable tool knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2719514Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100551645C (en) * | 2005-10-13 | 2009-10-21 | 玛托两合公司 | cutter |
| CN101704251B (en) * | 2009-10-15 | 2012-04-18 | 杭州巨星科技股份有限公司 | Manual knife capable of preventing blade from falling off unexpectedly |
| CN103909530A (en) * | 2013-01-04 | 2014-07-09 | 玛托两合公司 | Cutting tool with interchangeable blade and method for replacing an AC-blade |
| CN109315811A (en) * | 2018-11-07 | 2019-02-12 | 刘国锋 | A kind of agricultural garlic cutter device |
-
2004
- 2004-08-23 CN CN 200420089012 patent/CN2719514Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100551645C (en) * | 2005-10-13 | 2009-10-21 | 玛托两合公司 | cutter |
| CN101704251B (en) * | 2009-10-15 | 2012-04-18 | 杭州巨星科技股份有限公司 | Manual knife capable of preventing blade from falling off unexpectedly |
| CN103909530A (en) * | 2013-01-04 | 2014-07-09 | 玛托两合公司 | Cutting tool with interchangeable blade and method for replacing an AC-blade |
| CN109315811A (en) * | 2018-11-07 | 2019-02-12 | 刘国锋 | A kind of agricultural garlic cutter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050824 |