A kind of kitchen knife protecting child
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 the sharpest, can cause serious consequence during improper use.Even if adult 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
This utility model is for deficiency of the prior art; provide a kind of kitchen knife protecting child, there is protection set, prevent child from after being not intended to take kitchen knife, causing danger; this protection set can effectively prevent child from kitchen knife is taken out from protection set, and be grown up and kitchen knife can be very easy to take out from protection set.The set of this protection simultaneously comprehensive can cover in kitchen knife body, outside not allowing kitchen knife body arbitrary portion be exposed to.Solve the problem easily causing danger after present child is not intended to take kitchen knife.
nullIn order to solve above-mentioned technical problem,This utility model is addressed by following technical proposals: a kind of kitchen knife protecting child,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,It is provided with cavity on described handle of a knife,First back-up ring and spring stack it is provided with in described cavity,Second back-up ring it is provided with on described spring stack,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,It is provided with hold-down bars on described broach shell,In described hold-down bars stretches into described cavity and match with described rotation fixed mechanism,It is provided with in described hold-down bars in cylindrical lock chamber,Described lock chamber is provided above first insertion groove,The second insertion groove matched with described first insertion groove it is provided with on described handle of a knife,Slide on described second insertion groove and be provided with fixing button,Described fixing button stretches in described lock chamber,Several rubber strips it are provided with in described broach shell,Described broach shell near described handle of a knife while being provided with chain stretching device,Described chain stretching device includes pull head,The most only and down stop,Described upper one end being only positioned close to described handle of a knife,Described lower one end being only arranged far from described handle of a knife,Described pull head then closes described broach shell from lower the most only moving,It is provided with pulling-on piece on described pull head,The snap collar matched with described pulling-on piece it is provided with on described handle of a knife.So arrange, broach shell is provided with hold-down bars, during without kitchen knife, with broach shell, kitchen knife can be entangled, allow 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, then user of service inserts fixing button in lock chamber, subsequently rotate fixing button and be stuck in lock chamber by fixing button, finally pull on the chain stretching device at broach shell side, allow the pulling-on piece on pull head block snap collar on handle of a knife.Moreover, arranging and also have rubber strip in broach shell, rubber strip is all disposed within kitchen knife body edge, prevents kitchen knife body sharp parts from puncturing broach shell.The most whole kitchen knife body is all sealed, and prevents again kitchen knife body from may come out from broach shell opening part and causes dangerous problem.When needing to use kitchen knife, first pulling-on piece is deviate from from snap collar, then leave behind pull head, allow broach shell expose opening, then need to pin spring stack always, allow rotation fixed mechanism rotate, unlock hold-down bars, subsequently rotate fixing button, fixing button extracted out 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, two operations simultaneously are needed to 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, then pulls broach shell, it is possible to take out kitchen knife the most efficiently.For child, this operational approach is the most loaded down with trivial details, Most of children is with will not rotate fixing button according to spring stack always the most simultaneously, because kitchen knife itself has certain weight, child's strength is less and hands is the least, substantially so coherent action can not be made, pin spring stack to rotate fixing button simultaneously and take advantage of a situation and pull broach shell This move the most always, in most of the cases, child rotate fixing button after before pulling broach shell will trip spring post, so broach shell cannot be taken off.Further, child often can't pull pulling-on piece from snap collar, so turn avoid child from broach shell opening part touch kitchen knife body cause danger situation.
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, it is provided with first in described first rotating shaft and rotates bar, described first rotates the bar end thereof contacts one side to described annular protrusion, it is protruding that the other end is provided with non-return, 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 arranging, hold-down bars can be allowed to insert convenient, simultaneously after hold-down bars inserts, second spring can stop non-return projection to move, and prevents hold-down bars from deviating from.
In technique scheme, preferably, described first insertion groove is rectangle, described lock chamber diameter length is in described lock chamber home position not less than described first insertion groove catercorner length and described first insertion groove center, described second insertion groove size shape and described first insertion groove are thought etc. and are 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 is directly extracted by second insertion groove and first insertion groove.So hold-down bars cannot move easily, must rectangular block deviate from lock chamber after hold-down bars could move.
Compared with prior art; the beneficial effects of the utility model are: have 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 be grown up and kitchen knife can be very easy to take out from protection set.The set of this protection simultaneously comprehensive can cover in kitchen knife body, outside not allowing kitchen knife body arbitrary portion be exposed to.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 schematic diagram at a in invention Fig. 1 and Fig. 3.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
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.Broach shell 5 that is detachable and that wrap up cutter hub 1 it is provided with on 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, it is provided with first in first rotating shaft 41 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 projection 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 in hold-down bars 51 in cylindrical lock chamber 52, 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 in lock chamber 52 home position not less than first insertion groove 53 catercorner length and first insertion groove 53 center, 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 one end being positioned close to handle of a knife 2, lower only 73 one end being arranged far from handle of a knife 2, pull head 71 is from lower only 73 up only 74 motions then Guan Bi broach shells 5, it is provided with pulling-on piece 72 on pull head 71, handle of a knife 2 is provided with the snap collar 25 matched with pulling-on piece 72.
During without kitchen knife, can 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, 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, prevents cutter hub 1 sharp parts from puncturing broach shell 5.All it is sealed with the whole cutter hub 1 of chain stretching device 7 simultaneously, prevents again cutter hub 1 from may come out from broach shell 5 opening part and cause dangerous problem.When using kitchen knife, first pulling-on piece 72 is deviate from from snap collar 25, then leave behind pull head 71, broach shell 5 is allowed to expose opening, pin spring stack 3 the most always, allow rotation fixed mechanism 4 rotate and unlock hold-down bars 51, rotate fixing button 6 the most 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, prevents kitchen knife from hurting 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 being fixed in handle of a knife 2.Broach shell 5 that is detachable and that wrap up cutter hub 1 it is provided with on 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, it is provided with first in first rotating shaft 41 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 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 attracts each other with second magnetic stripe 92.
During without kitchen knife, can 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, prevents cutter hub 1 sharp parts from puncturing broach shell 5.The most whole cutter hub 1 is all sealed, and prevents again cutter hub 1 from may come out from broach shell 5 opening part and causes dangerous problem.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, prevents kitchen knife from hurting 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 the most gruelling, so turn avoid child from broach shell 5 opening part touch cutter hub 1 cause danger situation.