CN102189558A - Bidirectional utility knife - Google Patents
Bidirectional utility knife Download PDFInfo
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- CN102189558A CN102189558A CN2011101081360A CN201110108136A CN102189558A CN 102189558 A CN102189558 A CN 102189558A CN 2011101081360 A CN2011101081360 A CN 2011101081360A CN 201110108136 A CN201110108136 A CN 201110108136A CN 102189558 A CN102189558 A CN 102189558A
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- knife
- handle
- knife rest
- bridgeware
- pulling
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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 is all two-way replaceable blade utility knifes of extended blade of a kind of two.
Background technology
The existing hand knife that can stretch out blade from handle of a knife, 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 a blade is installed on knife rest, 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 on knife rest and to be difficult to satisfy the defective of using multiple blade demand, and a kind of two-way replaceable blade utility knife is provided.
For solving described problem, two-way replaceable blade 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 portion is all established at the two ends of described knife rest, a blade is installed by each arrangement portion, the two ends of described handle of a knife are all established flexible mouthful, described handle of a knife is provided with the primary importance that pushes away the assembly location of pulling with described, the centre position and the second place, the described blade that is installed in when the assembly of pulling is positioned the 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, described bridgeware is protruding, and to be exposed at handle of a knife outer and have the disposable first spacing position and second a spacing position on described handle of a knife, described bridgeware cooperates with described blocking part at the described first spacing position described locating part in season and slides between described primary importance and centre position described knife rest is spacing, and described bridgeware cooperates with described blocking part at the seasonal described locating part in the described second spacing position and slides between the described second place and centre position described knife rest is spacing.Further: first, described locating part is provided with the first elasticity limiting section and the second elasticity limiting section, described bridgeware is provided with first press keeping section of adjacency, second press keeping section of first accommodation section and adjacency, second accommodation section, the described first elasticity limiting section was positioned at described first accommodation section and breaks away from described blocking part when described bridgeware was positioned at the described first spacing position, the described second elasticity limiting section is by the described 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 the described first elasticity limiting section was by the described first press keeping section pressure holding and stop described blocking part when described bridgeware was positioned at the described second spacing position, the described second elasticity limiting section is positioned at described second accommodation section and breaks away from described blocking part and stops knife rest to slide to primary importance from described centre position.Especially, the described first elasticity limiting section, the second elasticity limiting section are formed on the end of two opposite springs of direction respectively.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 and is used for pushing 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 for use as required during use, satisfy the demand of using multiple blade;
2,,, avoid gripping knife rest when using and slide backward blade with the rear end and stretch out and cause unexpected injury the user with the scope of activities restriction of knife rest by at locating part and the bridgeware establishing the blocking part on the knife rest, in handle of a knife, install to cooperate.
Description of drawings
Fig. 1 is an external structure schematic diagram of the present invention, shows the state that bridgeware is positioned at the first spacing position simultaneously.
Fig. 2 is the vertical 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 vertical 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-locatees shoulder;
The 41-blade, the 42-blade;
The 5-locating part, the 51-first elasticity limiting section, the 52-second elasticity limiting section, 53-springs, 54-springs, 55-installing hole;
The 6-bridgeware, 61-first press keeping section, 62-first accommodation section, 63-second press keeping section, 64-second accommodation section, 65-direction signs, the B1-first spacing position, the B2-second spacing position.
The specific embodiment
The present invention will be further described below in conjunction with Figure of description.
Two-way replaceable blade 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 portion is all established at the two ends of knife rest 2, a blade 41 is installed by each arrangement portion, 42, the two ends of handle of a knife 1 are all established flexible mouthful 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 two-way replaceable blade 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 two-way replaceable blade utility knife can be installed different types of blade at the two ends of knife rest, selects for use as required during use, satisfies the demand of using multiple blade.
As further improving and replenishing to technique scheme, the present invention also comprises following additional technical characterictic, though 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 for use 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 of cooperation is installed referring to Fig. 9 in the handle of a knife 1, Figure 10) and bridgeware 6(concrete structure referring to Figure 11-14), bridgeware 6 protruding being exposed at are convenient to operation and have the disposable first spacing position B1 and the second spacing position B2 on handle of a knifes 1 outside the 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 (as Fig. 6-8, shown in Figure 16) make locating part 5 cooperate between second place A3 and centre position A2, sliding knife rest 2 is spacing with blocking part 21.Concrete: one, locating part 5 is provided with the first elasticity limiting section 51 and the second elasticity limiting section 52(referring to Fig. 9, Figure 10), bridgeware 6 is provided with first press keeping section 61 of adjacency, second press keeping section 63 of 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 (as Fig. 1-5, shown in Figure 15) the first elasticity limiting section 51 is positioned at first accommodation section 61 and breaks away from blocking part 21(referring to Fig. 4), the second elasticity limiting section 52 is by 63 pressure holdings of second press keeping section and stop that blocking part 21(is referring to Fig. 3) stop knife rest 2 to slide to second place A3 to realize knife rest is spacing between primary importance A1 and centre position A2, sliding from middle position A2, bridgeware 6 is positioned at second spacing position B2(such as Fig. 6-8, shown in Figure 16) time the first elasticity limiting section 51 by 61 pressure holdings of first press keeping section and stop that blocking part 21(is referring to Fig. 8), the second elasticity limiting section 52 is positioned at second accommodation section 64 and breaks away from blocking part 21(referring to Fig. 7) stop knife rest to slide to primary importance A1 to realize knife rest is spacing between second place A3 and centre position A2, sliding from middle position A2, in view of first press keeping section 61 and first accommodation section, 62 adjacency, second press keeping section 63 and second accommodation section, 64 adjacency, bridgeware 6 can be shifted one's position between the first spacing position B1 and the second spacing position B2 smoothly; Further, the first elasticity limiting section 51, the second elasticity limiting section 52 are respectively formed at the end of two opposite springs 53,54 of direction.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 to identify the slidably direction of knife rest from middle position.By at locating part and the bridgeware establishing the blocking part on the knife rest, in handle of a knife, install to cooperate,, avoid gripping knife rest when using and slide backward blade with the rear end and stretch out and cause unexpected injury the user with the scope of activities restriction of knife rest.
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 is locked on the knife rest, handle of a knife 1 is provided with and is used for pushing shrapnel 22 unlock pieces 15,16 so that edge clipping is deviate from from the bayonet socket of blade.When blade stretches out, push edge clipping that unlock piece forces shell fragment and from the bayonet socket of blade, deviate from the locking that to remove blade and change blade.
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 be located shoulder 33 and be remained in the locating slot 17 to come knife rest is reliably located.In order to regulate the length that blade stretches out, 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 (10)
1. two-way replaceable blade 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 last and protruding being exposed at outside the described handle of a knife (1) of described knife rest (2), it is characterized in that: arrangement portion is all established at the two ends of described knife rest (2), a blade (41 is installed by each arrangement portion, 42), the two ends of described handle of a knife (1) are all established flexible mouthful, described handle of a knife (1) is provided with the primary importance (A1) that pushes away the assembly of pulling (3) location with described, the 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 the 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.
2. two-way replaceable blade utility knife according to claim 1, it is characterized in that: 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), described bridgeware (6) is protruding, and to be exposed at handle of a knife (1) outer and have the disposable first spacing position (B1) and second a spacing position (B2) on described handle of a knife, 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).
3. two-way replaceable blade utility knife according to claim 2, it is characterized in that: described locating part (5) is provided with the first elasticity limiting section (51) and the second elasticity limiting section (52), described bridgeware (6) is provided with first press keeping section (61) of adjacency, second press keeping section (63) of first accommodation section (62) and adjacency, second accommodation section (64), the described first elasticity limiting section (51) was positioned at described first accommodation section (61) and breaks away from described blocking part (21) when described bridgeware (6) was positioned at the described first spacing position (B1), the described second elasticity limiting section (52) is by described second press keeping section (63) pressure holding and stop that described blocking part (21) stops knife rest (2) to slide to the second place (A3) from described centre position (A2), and the described first elasticity limiting section (51) was by described 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), the described second elasticity limiting section (52) is positioned at described second accommodation section (64) and breaks away from described blocking part (21) and stops knife rest (2) to slide to primary importance (A1) from described centre position (A2).
4. two-way replaceable blade utility knife according to claim 3 is characterized in that: the described first elasticity limiting section (51), the second elasticity limiting section (52) are respectively formed at the end of two opposite springs of direction (53,54).
5. according to each described two-way replaceable blade utility knife among the claim 2-4, it 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 of being located in the handle of a knife (13) stops.
6. two-way replaceable blade utility knife according to claim 2 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).
7. two-way replaceable blade utility knife according to claim 2 is characterized in that: described bridgeware (6) is positioned between described locating part (5) and the handle of a knife (1).
8. two-way replaceable blade utility knife according to claim 2 is characterized in that: described bridgeware (6) is provided with direction signs (65).
9. two-way replaceable blade 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 and is used for pushing the unlock piece (15,16) of described shell fragment (22) so that edge clipping (23) is deviate from from the bayonet socket of blade.
10. two-way replaceable blade 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 true CN102189558A (en) | 2011-09-21 |
| CN102189558B CN102189558B (en) | 2013-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110108136 Expired - Fee Related CN102189558B (en) | 2011-04-28 | 2011-04-28 | Bidirectional utility knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102189558B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381606A (en) * | 2012-05-03 | 2013-11-06 | 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 |
| CN107866825A (en) * | 2016-09-23 | 2018-04-03 | 杭州巨星工具有限公司 | A kind of replaceable blade utility knife with double blade |
| US11376753B2 (en) * | 2018-07-18 | 2022-07-05 | Edge Technologies Engineering LLC | Disposable utility knife with safety lock |
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| 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 |
| WO2000041856A1 (en) * | 1999-01-13 | 2000-07-20 | Glb Tool, Llc | Double-ended dual-mechanism retractable blade utility knife |
| 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 |
| 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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2011
- 2011-04-28 CN CN 201110108136 patent/CN102189558B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| WO2000041856A1 (en) * | 1999-01-13 | 2000-07-20 | Glb Tool, Llc | Double-ended dual-mechanism retractable blade utility knife |
| 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 |
| CN202357171U (en) * | 2011-04-28 | 2012-08-01 | 杭州巨星科技股份有限公司 | Bidirectional utility knife |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381606A (en) * | 2012-05-03 | 2013-11-06 | 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 |
| CN107866825A (en) * | 2016-09-23 | 2018-04-03 | 杭州巨星工具有限公司 | A kind of replaceable blade utility knife with double blade |
| US10994430B2 (en) | 2016-09-23 | 2021-05-04 | Hangzhou Great Star Industrial Co., Ltd. | Utility knife with dual 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102189558B (en) | 2013-04-03 |
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Granted publication date: 20130403 Termination date: 20180428 |