CN102189558B - Bidirectional utility knife - Google Patents
Bidirectional utility knife Download PDFInfo
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- CN102189558B CN102189558B CN 201110108136 CN201110108136A CN102189558B CN 102189558 B CN102189558 B CN 102189558B CN 201110108136 CN201110108136 CN 201110108136 CN 201110108136 A CN201110108136 A CN 201110108136A CN 102189558 B CN102189558 B CN 102189558B
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- knife
- handle
- knife rest
- section
- bridgeware
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 23
- 230000004308 accommodation Effects 0.000 claims description 16
- 239000012634 fragment Substances 0.000 claims description 10
- 238000007373 indentation Methods 0.000 claims description 8
- 230000001932 seasonal effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a bidirectional utility knife which belongs to manual tools. In the traditional manual tool, a blade is arranged on a knife rest, and the demands on using multiple kinds of blades can hardly be met. The bidirectional utility knife which comprises a knife handle, a knife rest and a pushing and braking assembly, wherein the knife rest is arranged in the knife handle in a sliding manner, the pushing and braking assembly is connected to the knife rest and is exposed out of the knife handle in a protruding manner, two ends of the knife rest are provided with installing parts, each installing part is provided with a blade, two ends of the knife handle are provided with telescopic ports; a first position, a medium position and a second position for positioning the pushing and braking assembly are arranged on the knife handle, when the pushing and braking assembly is positioned on the first position or the second position, one blade arranged on the knife rest extends out of the knife handle and the other blade retracts into the knife handle; and when the pushing and braking assembly is positioned at the medium position, the two blades arranged on the knife rest retract into the knife handle. Two ends of the knife rest can be provided with different kinds of blades, and the blades can be selected according to the demands during using, thus the demands on using multiple kinds of blades are met.
Description
Technical field
The invention belongs to hand-operated tools, specifically the equal bidirectional utility knife of extended blade in a kind of two.
Background technology
The existing hand knife that can stretch out from handle of a knife blade, comprise handle of a knife, knife rest, push away the assembly of pulling, blade, knife rest slidably is installed in the handle of a knife, pushes away that the assembly of pulling is connected on the knife rest and protrudingly is exposed at that handle of a knife is outer to stretch out handle of a knife or indentation handle of a knife in order to push away the knife rest of pulling with the blade on the knife rest.But mostly this hand knife is at knife rest a blade to be installed, and is difficult to satisfy the demand of using multiple blade during use.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome existing hand knife a blade to be installed and to be difficult to satisfy the defective of using multiple blade demand at knife rest, and a kind of bidirectional utility knife is provided.
For solving described problem, bidirectional utility knife of the present invention comprises handle of a knife, knife rest, push away the assembly of pulling, described knife rest slidably is installed in the described handle of a knife, the described assembly of pulling that pushes away is connected on the described knife rest and protruding being exposed at outside the described handle of a knife, it is characterized in that: arrangement section is all established at the two ends of described knife rest, a blade is installed by each arrangement section, telescopic mouth is all established at the two ends of described handle of a knife, described handle of a knife is provided with the primary importance that pushes away the assembly location of pulling with described, centre position and the second place, the described blade that is installed in when the assembly of pulling is positioned described primary importance or the second place on the described knife rest that pushes away stretches out handle of a knife, another blade indentation handle of a knife, the described equal indentation handle of a knife of two blades that is installed in when the assembly of pulling is positioned described centre position on the described knife rest that pushes away.
As the optimization technique means, described knife rest is provided with the blocking part, locating part and the bridgeware that cooperates is installed in the described handle of a knife, protruding being exposed at outside the handle of a knife and at described handle of a knife of described bridgeware has the disposable first spacing position and the second spacing position, described bridgeware cooperates with described blocking part at the described first spacing position described locating part in season described limiting tool carrier is slided between described primary importance and centre position, and described bridgeware cooperates with described blocking part at the seasonal described locating part in the described second spacing position described limiting tool carrier is slided between the described second place and centre position.Further: first, described locating part is provided with the first elastic spacing section and the second elastic spacing section, described bridgeware is provided with the first press keeping section of adjacency, the second press keeping section of the first accommodation section and adjacency, the second accommodation section, described the first elastic spacing section was positioned at described the first accommodation section and breaks away from described blocking part when described bridgeware was positioned at described the first spacing position, described the second elastic spacing section is by described the second press keeping section pressure holding and stop that described blocking part stops knife rest to slide to the second place from described centre position, and described the first elastic spacing section was by described the first press keeping section pressure holding and stop described blocking part when described bridgeware was positioned at described the second spacing position, described the second elastic spacing section is positioned at described the second accommodation section and breaks away from described blocking part and stops knife rest to slide to primary importance from described centre position.Especially, described the first elastic spacing section, the second elastic spacing section are formed on respectively the end of two springs of opposite direction.The second, described locating part is tabular, and it is installed in the described handle of a knife by installing hole provided thereon and the bumping post of being located in the handle of a knife stops.The 3rd, described handle of a knife is provided with track, and described bridgeware is assemblied on the described track.The 4th, described bridgeware is between described locating part and handle of a knife.The 5th, bridgeware is provided with direction signs.
As the optimization technique means, described knife rest is provided with shell fragment, described shell fragment is provided with edge clipping, and described blade is provided with the bayonet socket of corresponding described edge clipping, and described handle of a knife is provided with for pressing the unlock piece of described shell fragment so that edge clipping is deviate from from the bayonet socket of blade.
As the optimization technique means, described handle of a knife is provided with the locating slot of corresponding described primary importance, centre position and the second place, the described assembly of pulling that pushes away comprises scalable the pull button and place described knife rest and push away the spring of pulling between the button of pushing away on the described knife rest that is installed in, the described button of pulling that pushes away is provided with the location shoulder that can snap in the described locating slot, and the elastic force of described spring remains on described location shoulder in the described locating slot.
The invention has the beneficial effects as follows:
1, can different types of blade be installed at the two ends of knife rest, select as required during use, satisfy the demand of using multiple blade;
2, locating part and the bridgeware by establishing the blocking part at knife rest, install cooperating in handle of a knife with the scope of activities restriction of knife rest, avoided gripping knife rest when using and slided backward blade with the rear end and stretch out and cause unexpected injury to the user.
Description of drawings
Fig. 1 is external structure schematic diagram of the present invention, shows simultaneously the state that bridgeware is positioned at the first spacing position.
Fig. 2 is the top view among Fig. 1.。
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
Fig. 4 is that the C-C of Fig. 1 is to cutaway view.
Fig. 5 is that the D-D of Fig. 2 is to cutaway view.
Fig. 6 is the view that the bridgeware of structure shown in Figure 1 is positioned at the second spacing position.
Fig. 7 is that the E-E of Fig. 6 is to cutaway view.
Fig. 8 is that the F-F of Fig. 6 is to cutaway view.
Fig. 9 is the structural representation of locating part of the present invention.
Figure 10 is the top view of Fig. 9.
Figure 11 is the structural representation of bridgeware of the present invention.
Figure 12 is that the G-G of Figure 11 is to cutaway view.
Figure 13 is that the H-H of Figure 11 is to cutaway view.
Figure 14 is the rearview of Figure 11.
Figure 15 is the schematic diagram that bridgeware of the present invention stretches out a blade when being positioned at the first spacing position handle of a knife.
Figure 16 is the schematic diagram that bridgeware of the present invention stretches out another blade when being positioned at the second spacing position handle of a knife.
Figure 17 is the schematic diagram that two blades are installed on the knife rest of the present invention.
Figure 18 is the rearview of Figure 17.
Figure 19 is that the A-A of Fig. 1 is to cutaway view.
Figure 20 is that the K-K of Figure 17 is to cutaway view.
The number in the figure explanation:
The 1-handle of a knife, 11-handle body, 12-handle body, 13-bumping post, 14-track, 15-unlock piece, 16-unlock piece, 17-locating slot, A1-primary importance, A2-centre position, the A3-second place;
The 2-knife rest, 21-blocking part, 22-shell fragment, 23-edge clipping;
3-pushes away the assembly of pulling, and 31-pushes away the button of pulling, the 32-spring, and 33-locates shoulder;
The 41-blade, the 42-blade;
The 5-locating part, 51-the first elastic spacing section, 52-the second elastic spacing section, 53-springs, 54-springs, 55-installing hole;
The 6-bridgeware, 61-the first press keeping section, 62-the first accommodation section, 63-the second press keeping section, 64-the second accommodation section, 65-direction signs, B1-the first spacing position, B2-the second spacing position.
The specific embodiment
The present invention will be further described below in conjunction with Figure of description.
Bidirectional utility knife of the present invention, shown in Fig. 1-8, it comprises that handle of a knife 1(is as with two handle bodies 11,12 usefulness securing members are formed by connecting), knife rest 2, push away the assembly 3 of pulling, knife rest 2 slidably is installed in the handle of a knife 1 (as track is set in handle of a knife, knife rest is settled and can be slided along track in orbit), pushing away the assembly 3 of pulling is connected on the knife rest 2 and protruding being exposed at outside the handle of a knife 1, arrangement section is all established at the two ends of knife rest 2, a blade 41 is installed by each arrangement section, 42, the two ends of handle of a knife 1 are all established telescopic mouth and are used for blade is stretched out handle of a knife, establish on the handle of a knife 1 and will push away the primary importance A1 of the assembly location of pulling, centre position A2 and second place A3, push away the assembly 3 of pulling and be positioned primary importance A1(as shown in figure 15) or second place A3(as shown in figure 16) time blade being installed on the knife rest 2 stretch out handle of a knife, another blade indentation handle of a knife pushes away the assembly 3 of pulling and is positioned centre position A2(shown in Fig. 1-8) time be installed in the equal indentation handle of a knife of two blades on the knife rest.This bidirectional utility knife promotes knife rests 2 and slides backward to front slide or pulling knife rest the blade on the knife rest is stretched out handle of a knife or indentation handle of a knife by pushing away the assembly 3 of pulling.This bidirectional utility knife can be installed different types of blade at the two ends of knife rest, selects as required during use, satisfies the demand of using multiple blade.
As further improving and replenishing technique scheme, the present invention also comprises following additional technical characterictic, although Fig. 1-8 has comprised following all additional technical features, it is preferred embodiment of the present invention, but the present invention is not limited to this situation, according to specifically acting on they is selected on the described technical scheme of epimere when enforcement is of the present invention.
First, knife rest 2 is provided with blocking part 21(and is illustrated as projection), the locating part 5(concrete structure that handle of a knife 1 interior installation cooperates is referring to Fig. 9, Figure 10) and bridgeware 6(concrete structure referring to Figure 11-14), bridgeware 6 is protruding to be exposed at handle of a knife 1 outer convenient operation and to have the disposable first spacing position B1 and the second spacing position B2 at handle of a knife 1, bridgeware is positioned at first spacing position B1(such as Fig. 1-5, shown in Figure 15) seasonal locating part 5 cooperates with blocking part 21 and slides between primary importance A1 and centre position A2 knife rest 2 is spacing, when bridgeware 6 is positioned at the second spacing position B2 (such as Fig. 6-8, shown in Figure 16) make locating part 5 cooperate with blocking part 21 between second place A3 and centre position A2, sliding knife rest 2 is spacing.Concrete: one, locating part 5 is provided with the first elastic spacing section 51 and the second 52(of elastic spacing section referring to Fig. 9, Figure 10), bridgeware 6 is provided with the first press keeping section 61 of adjacency, the second press keeping section 63 of the first accommodation section 62 and adjacency, the second accommodation section 64(is referring to Figure 11-14), when bridgeware 6 is positioned at the first spacing position B1 (such as Fig. 1-5, shown in Figure 15) the first elastic spacing section 51 is positioned at the first accommodation section 61 and breaks away from blocking part 21(referring to Fig. 4), the second elastic spacing section 52 is by 63 pressure holdings of the second press keeping section and stop that blocking part 21(is referring to Fig. 3) stop knife rest 2 to slide to realize limiting tool carrier is slided between primary importance A1 and centre position A2 from middle position A2 to second place A3, bridgeware 6 is positioned at second spacing position B2(such as Fig. 6-8, shown in Figure 16) time the first elastic spacing section 51 by 61 pressure holdings of the first press keeping section and stop that blocking part 21(is referring to Fig. 8), the second elastic spacing section 52 is positioned at the second accommodation section 64 and breaks away from blocking part 21(referring to Fig. 7) stop knife rest to slide to realize limiting tool carrier is slided between second place A3 and centre position A2 from middle position A2 to primary importance A1, in view of the first press keeping section 61 and the first accommodation section 62 adjacency, the second press keeping section 63 and the second accommodation section 64 adjacency, bridgeware 6 can be smoothly in the first spacing position B1 and B2 Transforms position, the second spacing position; Further, the first elastic spacing section 51, the second elastic spacing section 52 are respectively formed at two springs 53 of opposite direction, 54 end.Its two, locating part 5 is tabular, it is installed in the handle of a knife by installing hole provided thereon 55 and the bumping post 13 be located in the handle of a knife stops.Its three, handle of a knife 1 is provided with track 14, bridgeware 6 is assemblied on the track 14.Its four, bridgeware 6 can utilize locating part restriction bridgeware to come off from handle of a knife between locating part 5 and handle of a knife 1.Its five, bridgeware 6 is provided with direction signs 65, is used for the sign knife rest from the slidably direction of middle position.By locating part and the bridgeware of establishing the blocking part at knife rest, in handle of a knife, install cooperating, with the scope of activities restriction of knife rest, avoid gripping knife rest when using and slide backward blade with the rear end and stretch out and cause unexpected injury to the user.
Second, referring to Figure 17, Figure 18, knife rest 2 is provided with shell fragment 22, shell fragment 22 is provided with edge clipping 23, blade 41,42 is provided with the bayonet socket of corresponding edge clipping, rely on edge clipping 23 to be stuck in the bayonet socket of blade blade locking on knife rest, handle of a knife 1 is provided with for 22 the unlock pieces 15,16 so that edge clipping is deviate from from the bayonet socket of blade that push shrapnel.When blade stretched out, capable of being unlocked by pressing spare forced the edge clipping of shell fragment to deviate from the locking that can remove blade from the bayonet socket of blade to come more allowing blade replacement.
The 3rd, handle of a knife 1 is provided with the locating slot 17 of corresponding primary importance A1, centre position A2 and second place A3, push away the assembly 3 of pulling comprise scalable be installed in pushing away on the knife rest pull button 31 and place knife rest and push away the spring 32(that pulls between the button referring to Figure 20), push away the button 31 of pulling and be provided with the location shoulder 33 that can snap in the locating slot 17, the elastic force of spring 32 will locate and be takeed on 33 and remain on that locating slot 17 is interior to come cutter setting frame reliably to locate.But the length of stretching out for adjustable blade, between primary importance and the centre position, can set up locating slot between the second place and the centre position and knife rest is positioned this.
Claims (8)
1. bidirectional utility knife, comprise handle of a knife (1), knife rest (2), push away the assembly of pulling (3), described knife rest (2) slidably is installed in the described handle of a knife (1), the described assembly of pulling (3) that pushes away is connected to upper and protruding being exposed at outside the described handle of a knife (1) of described knife rest (2), it is characterized in that: arrangement section is all established at the two ends of described knife rest (2), a blade (41 is installed by each arrangement section, 42), telescopic mouth is all established at the two ends of described handle of a knife (1), described handle of a knife (1) is provided with the primary importance (A1) that pushes away the assembly of pulling (3) location with described, centre position (A2) and the second place (A3), the described blade that is installed on the described knife rest (2) when the assembly of pulling (3) is positioned described primary importance (A1) or the second place (A3) that pushes away stretches out handle of a knife, another blade indentation handle of a knife, the described equal indentation handle of a knife of two blades that is installed in when the assembly of pulling (3) is positioned described centre position (A2) on the described knife rest that pushes away;
Described knife rest (2) is provided with blocking part (21), locating part (5) and the bridgeware (6) that cooperates is installed in the described handle of a knife (1), protruding being exposed at outside the handle of a knife (1) and at described handle of a knife of described bridgeware (6) has the disposable first spacing position (B1) and the second spacing position (B2), described bridgeware (6) is positioned at the described first seasonal described locating part in spacing position (B1) (5) and cooperates with described blocking part (21) the spacing slip between described primary importance (A1) and centre position (A2) of described knife rest (2), and described bridgeware (6) is positioned at the described second seasonal described locating part in spacing position (B2) (5) and cooperates with described blocking part (21) the spacing slip between the described second place (A3) and centre position (A2) of described knife rest (2);
Described locating part (5) is provided with the first elastic spacing section (51) and the second elastic spacing section (52), described bridgeware (6) is provided with first press keeping section (61) of adjacency, second press keeping section (63) of the first accommodation section (62) and adjacency, the second accommodation section (64), described the first elastic spacing section (51) was positioned at described the first accommodation section (62) and breaks away from described blocking part (21) when described bridgeware (6) was positioned at the described first spacing position (B1), described the second elastic spacing section (52) is by described the second press keeping section (63) pressure holding and stop that described blocking part (21) stops knife rest (2) to slide from described centre position (A2) to the second place (A3), and described the first elastic spacing section (51) was by described the first press keeping section (61) pressure holding and stop described blocking part (21) when described bridgeware (6) was positioned at the described second spacing position (B2), described the second elastic spacing section (52) is positioned at described the second accommodation section (64) and breaks away from described blocking part (21) and stops knife rest (2) to slide from described centre position (A2) to primary importance (A1).
2. bidirectional utility knife according to claim 1, it is characterized in that: described the first elastic spacing section (51), the second elastic spacing section (52) are respectively formed at the end of two springs (53,54) of opposite direction.
3. each described bidirectional utility knife according to claim 1-2 is characterized in that: described locating part (5) is for tabular, and it is installed in the described handle of a knife (1) by installing hole provided thereon (55) and the bumping post (13) of being located in the handle of a knife stops.
4. bidirectional utility knife according to claim 1, it is characterized in that: described handle of a knife (1) is provided with track (14), and described bridgeware (6) is assemblied on the described track (14).
5. bidirectional utility knife according to claim 1, it is characterized in that: described bridgeware (6) is positioned between described locating part (5) and the handle of a knife (1).
6. bidirectional utility knife according to claim 1, it is characterized in that: described bridgeware (6) is provided with direction signs (65).
7. bidirectional utility knife according to claim 1, it is characterized in that: described knife rest (2) is provided with shell fragment (22), described shell fragment (22) is provided with edge clipping (23), described blade (41,42) is provided with the bayonet socket of corresponding described edge clipping (23), and described handle of a knife (1) is provided with for pressing the unlock piece (15,16) of described shell fragment (22) so that edge clipping (23) is deviate from from the bayonet socket of blade.
8. bidirectional utility knife according to claim 1, it is characterized in that: described handle of a knife (1) is provided with the locating slot (17) of corresponding described primary importance, centre position and the second place, the described assembly of pulling (3) that pushes away comprises scalable the pull button (31) and place described knife rest and push away the spring (32) of pulling between the button of pushing away on the described knife rest that is installed in, the described button of pulling (31) that pushes away is provided with the location shoulder (33) that can snap in the described locating slot (17), and the elastic force of described spring (32) is takeed on (33) with described location and remained in the described locating slot (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110108136 CN102189558B (en) | 2011-04-28 | 2011-04-28 | Bidirectional utility knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110108136 CN102189558B (en) | 2011-04-28 | 2011-04-28 | Bidirectional utility knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102189558A CN102189558A (en) | 2011-09-21 |
| CN102189558B true CN102189558B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110108136 Expired - Fee Related CN102189558B (en) | 2011-04-28 | 2011-04-28 | Bidirectional utility knife |
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| Country | Link |
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| CN (1) | CN102189558B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381606B (en) * | 2012-05-03 | 2017-02-08 | 王爱国 | Art knife |
| WO2018053796A1 (en) * | 2016-09-23 | 2018-03-29 | 杭州巨星工具有限公司 | Utility knife provided with double blades |
| CN107866825B (en) * | 2016-09-23 | 2024-03-12 | 杭州巨星工具有限公司 | Practical knife with double blades |
| US11376753B2 (en) * | 2018-07-18 | 2022-07-05 | Edge Technologies Engineering LLC | Disposable utility knife with safety lock |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202357171U (en) * | 2011-04-28 | 2012-08-01 | 杭州巨星科技股份有限公司 | Bidirectional utility knife |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5093994A (en) * | 1990-09-20 | 1992-03-10 | Christine Bringman | Double ended-retractable knife |
| US5906049A (en) * | 1998-02-09 | 1999-05-25 | Butts; Robert | Double-ended utility knife with two covers |
| ATE257060T1 (en) * | 1999-01-13 | 2004-01-15 | Greg L Beyers | DOUBLE-SIDED MULTI-PURPOSE KNIFE WITH DUAL MECHANISM FOR RETRACTING THE BLADES |
| CN2605973Y (en) * | 2003-03-26 | 2004-03-10 | 邬岳伟 | Artist knife with bidirectional blade feed |
| CN201500986U (en) * | 2009-09-01 | 2010-06-09 | 上海昆杰五金工具有限公司 | Tool bit two-way locking type cutting knife |
-
2011
- 2011-04-28 CN CN 201110108136 patent/CN102189558B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202357171U (en) * | 2011-04-28 | 2012-08-01 | 杭州巨星科技股份有限公司 | Bidirectional utility knife |
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| CN102189558A (en) | 2011-09-21 |
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