CN103753609B - A kind of safe kitchen knife - Google Patents
A kind of safe kitchen knife Download PDFInfo
- Publication number
- CN103753609B CN103753609B CN201310756041.9A CN201310756041A CN103753609B CN 103753609 B CN103753609 B CN 103753609B CN 201310756041 A CN201310756041 A CN 201310756041A CN 103753609 B CN103753609 B CN 103753609B
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- knife
- insertion groove
- handle
- kitchen knife
- cavity
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Abstract
A kind of safe kitchen knife; relate to a kind of kitchen utensils; including cutter hub and handle of a knife; described cutter hub is provided with fixed projection; described fixed projection is fixed in described handle of a knife; also include the broach shell matched with described cutter hub, between broach shell and handle of a knife, be provided with protective measure, it is possible to child protection hurts oneself after taking kitchen knife by mistake。Compared with prior art, the present invention has protection set, it is prevented that child causes danger after being not intended to take kitchen knife, and this protection set can effectively prevent child from kitchen knife is taken out from protection set, simultaneously adult can be very easy to kitchen knife from protect overlap take out。Solve the problem easily causing danger after present child is not intended to take kitchen knife。
Description
Technical field
The present invention relates to a kind of kitchen utensils, especially a kind of kitchen knife。
Background technology
Kitchen knife is common during people live and is indispensable kitchen utensils, and kitchen knife is very sharp, can cause serious consequence during improper use。Even if adult accidentally can injure oneself when cutting the dish, for muddled child, often there is great potential safety hazard when they touch kitchen knife。Present family is essentially all two-earners family, a child often people stays at home, naughty child can have horseplay within doors, and kitchen knife is substantially all and is placed on the table top in kitchen or in cupboard, child is easily obtainable, if child takes kitchen knife to play, it is very easy to that accident occurs, causes too late to regret consequence。
Summary of the invention
The present invention is directed to deficiency of the prior art; provide a kind of safe kitchen knife, there is protection set, it is prevented that child causes danger after being not intended to take kitchen knife; this protection set can effectively prevent child from kitchen knife is taken out from protection set, and adult can be very easy to kitchen knife to take out from protection set simultaneously。Solve the problem easily causing danger after present child is not intended to take kitchen knife。
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals: include cutter hub and handle of a knife, described cutter hub is provided with fixed projection, described fixed projection is fixed in described handle of a knife, also include the broach shell matched with described cutter hub, described handle of a knife is provided with cavity, first back-up ring and spring stack it is provided with in described cavity, described spring stack is provided with second back-up ring, it is provided with first spring between described first back-up ring and described second back-up ring, described spring stack one end extends to outside described handle of a knife, the described spring stack other end is provided with outward-dipping annular protrusion, several rotation fixed mechanisms matched with described annular protrusion it are additionally provided with in described cavity, described broach shell is provided with hold-down bars, described hold-down bars stretches in described cavity and matches with described rotation fixed mechanism, cylindrical lock chamber it is provided with in described hold-down bars, described lock chamber is provided above first insertion groove, described handle of a knife is provided with the second insertion groove matched with described first insertion groove, described second insertion groove slides and is provided with fixing button, described fixing button stretches in described lock chamber, continuous print wave shape groove it is provided with bottom described handle of a knife。So arrange, broach shell is provided with hold-down bars, during without kitchen knife, it is possible to broach shell, kitchen knife is entangled, allows hold-down bars be inserted in the cavity in handle of a knife simultaneously。In cavity, hold-down bars is first rotated fixed mechanism and fixes, and then user of service inserts fixing button in lock chamber, subsequently rotates fixing button and is stuck in lock chamber by fixing button。When needing to use kitchen knife, it is necessary to pin spring stack always, allow rotation fixed mechanism rotate and unlock hold-down bars, then rotate fixing button again, fixing button from extraction in lock chamber, such broach shell just can from kitchen knife departing from。If individually broach shell all cannot be allowed to depart from kitchen knife body by spring stack or the independent fixing button that rotates, it is necessary to two operations simultaneously could unlock。Adult is very easy to by this operational approach, as long as tilting kitchen knife during adult's operation, then pins spring stack while holding handle of a knife with one, and fixing button is extracted in the rotation of another hands, and then taking advantage of a situation pulls broach shell, it is possible to take out kitchen knife very efficiently。For child, this operational approach is very loaded down with trivial details, Most of children is with then will not rotate fixing button according to spring stack always simultaneously, because kitchen knife itself has certain weight, child's strength is less and hands is also less, substantially so coherent action can not be made, especially pin spring stack to rotate fixing button simultaneously and take advantage of a situation and pull broach shell This move always, in most of the cases, child rotate fixing button after pull before broach shell will trip spring post, so broach shell cannot be taken off。
In technique scheme, it is preferred that described annular protrusion cross section is triangle, the one side that described annular protrusion contacts with described rotation fixed mechanism is outward-dipping inclined-plane。So arrange, when conveniently pressing spring stack, allow rotation fixed mechanism rotate, allow hold-down bars loose from rotation fixed mechanism。
In technique scheme, preferably, described rotates the first rotating shaft that fixed mechanism includes being arranged in described cavity, described first rotating shaft is provided with first and rotates bar, described first rotates the bar end thereof contacts one side to described annular protrusion, the other end is provided with non-return projection, described non-return convex cross section is triangle, , it is provided with second spring between the cavity inwall that described non-return is protruding and described, described second both ends of the spring is separately fixed on the cavity inwall that described non-return is protruding and described, described hold-down bars top is provided with the round platform matched with described non-return projection。So arrange, it is possible to allowing hold-down bars insert convenient, simultaneously after hold-down bars inserts, second spring can stop non-return projection to move, it is prevented that hold-down bars is deviate from。
In technique scheme, preferably, described first insertion groove is rectangle, described lock chamber diameter length is not less than described first insertion groove catercorner length and described first insertion groove center is in described lock chamber home position, described second insertion groove size shape is equal with described first insertion groove and is positioned at directly over described first insertion groove, described fixing button lower end is provided with rectangular block, and described rectangular block size and described first insertion groove match with described second insertion groove and can rotate in described lock chamber。So arrange, the size shape of rectangular block is identical with first insertion groove and second insertion groove, rectangular block can be deep into inside lock chamber by first insertion groove and second insertion groove easily, then rotates rectangular block and is stuck in lock chamber by rectangular block, it is impossible to extracts either directly through second insertion groove and first insertion groove。Such hold-down bars cannot move easily, must deviate from rear hold-down bars and could move by rectangular block in lock chamber。
Compared with prior art; the invention has the beneficial effects as follows: there is protection set; preventing child from causing danger after being not intended to take kitchen knife, this protection set can effectively prevent child from kitchen knife is taken out from protection set, and adult takes out can being very easy to the kitchen knife to overlap from protection simultaneously。Solve the problem easily causing danger after present child is not intended to take kitchen knife。
Accompanying drawing explanation
Fig. 1 is inventive embodiments 1 side perspective schematic diagram。
Fig. 2 is inventive embodiments 2 cutter hub side schematic view。
Fig. 3 is inventive embodiments 2 side perspective schematic diagram。
Fig. 4 is inventive embodiments 2 bayonet unit schematic diagram。
Fig. 5 is that invention Fig. 1 and Fig. 3-a locates schematic diagram。
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail。
Embodiment 1:
As shown in Figure 1 and Figure 5, a kind of kitchen knife, including cutter hub 1 and handle of a knife 2, cutter hub 1 is provided with the fixed projection 11 being fixed in handle of a knife 2。Cutter hub 1 is provided with broach shell 5 that is detachable and that wrap up cutter hub 1。Being provided with cavity 21 on handle of a knife 2, be provided with first back-up ring 22 and spring stack 3 in cavity 21, spring stack 3 is provided with second back-up ring 31, be provided with first spring 32 between first back-up ring 22 and second back-up ring 31, spring stack 3 one end extends to outside described handle of a knife 2。Spring stack 3 other end is provided with outward-dipping annular protrusion 33, and annular protrusion 33 cross section is triangle。Several rotation fixed mechanisms 4 matched with annular protrusion 33 it are additionally provided with in cavity 21, rotate the first rotating shaft 41 that fixed mechanism 4 includes being arranged in cavity 21, first rotating shaft 41 is provided with first and rotates bar 42, first rotates bar 42 end thereof contacts to annular protrusion 33, the other end is provided with non-return projection 43, protruding 43 cross sections of non-return are triangle, being provided with second spring 44 between non-return protruding 43 and cavity 21 inwall, second spring 44 two ends are separately fixed on non-return protruding 43 and cavity 21 inwall。Being provided with hold-down bars 51 on broach shell 5, hold-down bars 51 top is provided with round platform 54, and round platform 54 matches with non-return projection 43。Being provided with cylindrical lock chamber 52 in hold-down bars 51, lock chamber 52 is provided above first insertion groove 53, and handle of a knife 2 is provided with the second insertion groove 24 matched with first insertion groove 53, and second insertion groove 24 slides is provided with fixing button 6。First insertion groove 53 is rectangle, lock chamber 52 diameter length is not less than first insertion groove 53 catercorner length and first insertion groove 53 center is in lock chamber 52 home position, second insertion groove 24 size shape is equal with first insertion groove 53 and is positioned at directly over first insertion groove 53, fixing button 6 lower end is provided with rectangular block 61, and rectangular block 61 size and first insertion groove 53 match with second insertion groove 24 and can rotate in lock chamber 52。Several rubber strips 55 it are provided with in broach shell 5, broach shell 5 near handle of a knife 2 while being provided with chain stretching device 7, chain stretching device 7 includes pull head 71, upper only 74 and lower only 73, upper only 74 being positioned close to one end of handle of a knife 2, lower only 73 be arranged far from one end of handle of a knife 2, pull head 71 is from lower only 73 up only 74 motions then Guan Bi broach shells 5, pull head 71 is provided with pulling-on piece 72, handle of a knife 2 is provided with the snap collar 25 matched with pulling-on piece 72。
During without kitchen knife, it is possible to entangle with 5 cutter hubs 1 of broach shell, allow hold-down bars 51 be inserted in the cavity 21 in handle of a knife 2 simultaneously。In cavity 21, hold-down bars 51 is first rotated fixed mechanism 4 and fixes, and then user of service inserts fixing button 6 in lock chamber 52, subsequently rotates fixing button 6 and allows fixing button 6 be stuck in lock chamber 52。Moreover, arranging and also have rubber strip 55 in broach shell 5, rubber strip 55 is all disposed within cutter hub 1 edge, it is prevented that cutter hub 1 sharp parts punctures broach shell 5。All it is sealed with the whole cutter hub 1 of chain stretching device 7 simultaneously, prevents again cutter hub 1 to be likely to the problem causing danger that comes out from broach shell 5 opening part。When using kitchen knife, first pulling-on piece 72 is deviate from snap collar 25, then leave behind pull head 71, broach shell 5 is allowed to expose opening, then pin spring stack 3 more always, allow rotation fixed mechanism 4 rotate and unlock hold-down bars 51, then rotate fixing button 6 again, fixing button 6 is extracted out in lock chamber 52, such broach shell 5 just can from cutter hub 1 departing from。So arranging and adult can be allowed easily cutter hub 1 to be taken out from broach shell 5, child can not take out cutter hub 1 from broach shell 5 simultaneously, it is prevented that kitchen knife hurts child。Being provided with continuous print wave shape groove 23 bottom handle of a knife 2 facilitates user of service to hold handle of a knife 2。
Embodiment 2:
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of kitchen knife, including cutter hub 1 and handle of a knife 2, cutter hub 1 is provided with the fixed projection 11 and through hole 12 that are fixed in handle of a knife 2。Cutter hub 1 is provided with broach shell 5 that is detachable and that wrap up cutter hub 1。Being provided with cavity 21 on handle of a knife 2, be provided with first back-up ring 22 and spring stack 3 in cavity 21, spring stack 3 is provided with second back-up ring 31, be provided with first spring 32 between first back-up ring 22 and second back-up ring 31, spring stack 3 one end extends to outside described handle of a knife 2。Spring stack 3 other end is provided with outward-dipping annular protrusion 33, and annular protrusion 33 cross section is triangle。Several rotation fixed mechanisms 4 matched with annular protrusion 33 it are additionally provided with in cavity 21, rotate the first rotating shaft 41 that fixed mechanism 4 includes being arranged in cavity 21, first rotating shaft 41 is provided with first and rotates bar 42, first rotates bar 42 end thereof contacts to annular protrusion 33, the other end is provided with non-return projection 43, protruding 43 cross sections of non-return are triangle, being provided with second spring 44 between non-return protruding 43 and cavity 21 inwall, second spring 44 two ends are separately fixed on non-return convex 43 and cavity 21 inwall。Being provided with hold-down bars 51 on broach shell 5, hold-down bars 51 top is provided with round platform 54, and round platform 54 matches with non-return projection 43。Being additionally provided with the bayonet unit 8 matched with through hole 12 on broach shell 5, bayonet unit 8 includes first fixed block 81 and the second fixed block 82 relative with first fixed block 81 position, and through hole 12 is between first fixed block 81 and second fixed block 82。Being provided with on first fixed block 81 and stir protruding 85, the one side of the relative second fixed block 82 of first fixed block 81 is provided with first Magnet 83, and second fixed block 82 is provided with the second Magnet 84 relative with first Magnet 83。Being provided with several rubber strips 55 in broach shell 5, broach shell 5 is near the shutoff device that is provided with of handle of a knife 2, and shutoff device includes first magnetic stripe 91 and second magnetic stripe 92, and first magnetic stripe 91 and second magnetic stripe 92 attract each other。
During without kitchen knife, it is possible to entangle with 5 cutter hubs 1 of broach shell, allow hold-down bars 51 be inserted in the cavity 21 in handle of a knife 2 simultaneously。In cavity 21, hold-down bars 51 is first rotated fixed mechanism 4 and fixes, and then user of service is relative with second fixed block 82 first fixed block 81, makes first Magnet 83 and second Magnet 84 firm by through hole 12 patch that attracts each other, first of finally closing magnetic stripe 91 and second magnetic stripe 92。Moreover, arranging and also have rubber strip 55 in broach shell 5, rubber strip 55 is all disposed within cutter hub 1 edge, it is prevented that cutter hub 1 sharp parts punctures broach shell 5。So whole cutter hub 1 is all sealed, and prevents again cutter hub 1 to be likely to the problem causing danger that comes out from broach shell 5 opening part。When needing to use kitchen knife, firstly the need of separating first magnetic stripe 91 and second magnetic stripe 92, then need to pin spring stack 3 always, allow rotation fixed mechanism 4 rotate and unlock hold-down bars 51, subsequently break first fixed block 81 and second fixed block 82 into two with one's hands, allow first Magnet 83 and second Magnet 84 depart from, such broach shell 5 just can from cutter hub 1 departing from。So arranging and adult can be allowed easily cutter hub 1 to be taken out from broach shell 5, child can not take out cutter hub 1 from broach shell 5 simultaneously, it is prevented that kitchen knife hurts child。Being provided with continuous print wave shape groove 23 bottom handle of a knife 2 facilitates user of service to hold handle of a knife 2。And child breaks first magnetic stripe 91 into two with one's hands and second magnetic stripe 92 is also gruelling, so turn avoid child from broach shell 5 opening part touch cutter hub 1 cause danger situation。
Claims (4)
1. a safe kitchen knife, including cutter hub (1) and handle of a knife (2), described cutter hub (1) is provided with fixed projection (11), described fixed projection (11) is fixed in described handle of a knife (2), it is characterized by, also include the broach shell (5) matched with described cutter hub (1), described handle of a knife (2) is provided with cavity (21), first back-up ring (22) and spring stack (3) it is provided with in described cavity (21), described spring stack (3) is provided with second back-up ring (31), it is provided with first spring (32) between described first back-up ring (22) and described second back-up ring (31), described spring stack (3) one end extends to described handle of a knife (2) outward, described spring stack (3) other end is provided with outward-dipping annular protrusion (33), several rotation fixed mechanisms (4) matched with described annular protrusion (33) it are additionally provided with in described cavity (21), described broach shell (5) is provided with hold-down bars (51), described hold-down bars (51) stretches in described cavity (21) and matches with described rotation fixed mechanism (4), it is provided with cylindrical lock chamber (52) in described hold-down bars (51), described lock chamber (52) is provided above first insertion groove (53), described handle of a knife (2) is provided with the second insertion groove (24) matched with described first insertion groove (53), the upper slip of described second insertion groove (24) is provided with fixing button (6), described fixing button (6) stretches in described lock chamber (52), described handle of a knife (2) bottom is provided with continuous print wave shape groove (23)。
2. a kind of safe kitchen knife according to claim 1, it is characterized by, described annular protrusion (33) cross section is triangle, and the one side that described annular protrusion (33) contacts with described rotation fixed mechanism (4) is outward-dipping inclined-plane。
3. a kind of safe kitchen knife according to claim 1 and 2, it is characterized by, described rotation fixed mechanism (4) includes the first rotating shaft (41) being arranged in described cavity (21), described first rotating shaft (41) is provided with first and rotates bar (42), described first rotates bar (42) end thereof contacts one side to described annular protrusion (33), the other end is provided with non-return projection (43), protruding (43) cross section of described non-return is triangle, it is provided with second spring (44) between described non-return protruding (43) and described cavity (21) inwall, described second spring (44) two ends are separately fixed on described non-return protruding (43) and described cavity (21) inwall, described hold-down bars (51) top is provided with the round platform (54) matched with described non-return protruding (43)。
4. a kind of safe kitchen knife according to claim 1, it is characterized by, described first insertion groove (53) is rectangle, described lock chamber (52) diameter length is not less than described first insertion groove (53) catercorner length and described first insertion groove (53) center is in described lock chamber (52) home position, described second insertion groove (24) size shape is equal with described first insertion groove (53) and is positioned at directly over described first insertion groove (53), described fixing button (6) lower end is provided with rectangular block (61), described rectangular block (61) size and described first insertion groove (53) match with described second insertion groove (24) and can rotate in described lock chamber (52)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756041.9A CN103753609B (en) | 2013-12-28 | 2013-12-28 | A kind of safe kitchen knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756041.9A CN103753609B (en) | 2013-12-28 | 2013-12-28 | A kind of safe kitchen knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103753609A CN103753609A (en) | 2014-04-30 |
| CN103753609B true CN103753609B (en) | 2016-06-22 |
Family
ID=50521004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310756041.9A Expired - Fee Related CN103753609B (en) | 2013-12-28 | 2013-12-28 | A kind of safe kitchen knife |
Country Status (1)
| Country | Link |
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| CN (1) | CN103753609B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669305B (en) * | 2015-03-20 | 2016-07-06 | 罗福仲 | It is easy to the kitchen knife that safety is deposited and carried |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2429722A1 (en) * | 1978-06-28 | 1980-01-25 | Tarrerias Georges | Kitchen knife display case - has flattened blade sheath with viewing windows, edge slot and strap gripping handle |
| DE3048328A1 (en) * | 1980-12-20 | 1982-07-22 | Alfred Langen KG Kunststoffverarbeitung, 8201 Schechen | Protective display sheath for knife - uses adhesive strips at open end to grip blade, leaving handle free for testing |
| US5379520A (en) * | 1993-04-30 | 1995-01-10 | Seaquest, Inc. | Tool/sheath locking assembly |
| CN102320050A (en) * | 2011-06-29 | 2012-01-18 | 蒋铃 | Kitchen knife |
| CN202378068U (en) * | 2011-11-29 | 2012-08-15 | 苏红才 | Safe knife |
| CN202556415U (en) * | 2012-03-15 | 2012-11-28 | 单晗 | Finger-protective kitchen knife |
| DE202013103265U1 (en) * | 2013-07-22 | 2013-07-26 | Ningde City Jiaocheng District Yide Hardware-Tools Co. Ltd. | knife |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336559A (en) * | 2001-05-14 | 2002-11-26 | Takahiro Otomo | Kitchen knife aid using vinyl |
| JP2004267734A (en) * | 2003-03-07 | 2004-09-30 | Yukio Yamazaki | Safe kitchen knife case |
-
2013
- 2013-12-28 CN CN201310756041.9A patent/CN103753609B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2429722A1 (en) * | 1978-06-28 | 1980-01-25 | Tarrerias Georges | Kitchen knife display case - has flattened blade sheath with viewing windows, edge slot and strap gripping handle |
| DE3048328A1 (en) * | 1980-12-20 | 1982-07-22 | Alfred Langen KG Kunststoffverarbeitung, 8201 Schechen | Protective display sheath for knife - uses adhesive strips at open end to grip blade, leaving handle free for testing |
| US5379520A (en) * | 1993-04-30 | 1995-01-10 | Seaquest, Inc. | Tool/sheath locking assembly |
| CN102320050A (en) * | 2011-06-29 | 2012-01-18 | 蒋铃 | Kitchen knife |
| CN202378068U (en) * | 2011-11-29 | 2012-08-15 | 苏红才 | Safe knife |
| CN202556415U (en) * | 2012-03-15 | 2012-11-28 | 单晗 | Finger-protective kitchen knife |
| DE202013103265U1 (en) * | 2013-07-22 | 2013-07-26 | Ningde City Jiaocheng District Yide Hardware-Tools Co. Ltd. | knife |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103753609A (en) | 2014-04-30 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Qin Inventor after: Luo Dongmei Inventor after: Lv Yuanyuan Inventor after: An Qingyu Inventor after: Wang Xiang Inventor before: Sheng Kangqi Inventor before: Li Luotao |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170915 Address after: Malaysia village Qingfeng town 224721 Jiangsu province Yancheng City Jianhu County six group No. 76 Co-patentee after: Luo Dongmei Patentee after: Lu Qin Co-patentee after: Lv Yuanyuan Co-patentee after: An Qingyu Co-patentee after: Wang Xiang Address before: 315020, Zhejiang, Jiangbei District, Ningbo Zhuang Bridge Street, Station Road, Nanjing Road, south side of the 3 group 1 Studio Patentee before: NINGBO JIANGBEI ZHENHE DESIGN DEVELOPMENT CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20171228 |