CN206618326U - One kind is anti-to cut type Multifunctional shield - Google Patents

Abstract

Prevent cutting type Multifunctional shield the utility model discloses one kind, including shield body, hand-held handle, protection pad and elbow locking and fixing device, the shield body includes shield body front, the shield body back side, shield head and shield tail, the shield body front extends to shield tail by shield head, the protection pad is connected with the shield body back side, the hand-held handle and the elbow locking and fixing device are connected through protection pad with shield body, it is characterized in that, the shield body front is provided with arcuate surface and notoptera, the arcuate surface gradually increases from the positive left and right sides edge of shield body to height during the extension of centre and intersects at notoptera, the notoptera is highly higher than the arcuate surface, the notoptera, which is laid with, to be prevented cutting bar, effectively it can be not damaged by Ward front.

Description

One kind is anti-to cut type Multifunctional shield

Technical field

The utility model is related to a kind of shield, more particularly to a kind of anti-police shield for cutting type.

Background technology

Shield is a kind of ancient defensive weapons, and soldier's hand, which holds shield, can effectively block the weapons of enemy, and protection is certainly Body life security.In fighting in ancient times, either China, ancient Greek or ancient Roman in history, shield is all a kind of tactics The very important weapons of purposes and be developed so far always.Although nowadays splendidness of the shield in military use has not existed, Shield but shines new life in modern police fields.Tend in current world structure under the big atmosphere of peace, scale war The possibility for striving generation is little, and the individual criminal activity of interior of country takes place frequently repeatedly, therefore the person peace that policeman is faced Full problem is stood in the breach, and now police shield is played a very important role in singly alert protection field.

The shield of modern police fields, in police's law enforcement, crowd and low intensive conflict in face of riot, Shield is referred to as embodying the effective tool that police enforces the law in a civilized manner.

Modern police shield, mainly can be by following several attack patterns when under attack：

1st, the apparatus such as club, cutter type objects are attacked：When criminal implements such attack, generally by holding rod Rod, knife etc. wave strike, hit shield face or stab to shield face.Shield face is common in the shield of prior art plane shield face and arc surface Shield face.If shield front is plane, when shield is by such attack, the strength of club meeting most of can be accepted by shield, and Law enfrocement official's arm is transmitted to, is easily damaged because strength is excessive, under more serious conditions, shield is likely to result in and slips out of the hand, Lose protection；If shield front is arc surface, when shield is by such attack, club can be slided along shield face, can be effective The certain impulsive force of unloading, but because shield surface is without guide effect, so club can be irregular along the slip of shield surface, On the one hand it is unfavorable for law enfrocement official and determines how hitting back and laying down one's arms, still further aspect, it is also possible to the people for causing collaboration to enforce the law Member's injury.Prior art is usually to set to prevent cutting bar in the shield head position of shield, is so avoided that shield when cutting attack for knife Board is destroyed when being hit by longitudinal direction, but this sets the anti-mode for cutting bar in shield head position, it is impossible to horizontal or oblique cut Hit and protected, and it is smaller to the protection domain of shield.

2nd, the throwing such as slungshot, fragment of brick type objects are attacked：When criminal implements such attack, direct throwing is usually taken Means, law-executor will be thrown to by slungshot, fragment of brick.The shield of the prior art used in face of such attack, law-executor is general Throwing object can be resisted to holding the injury of shield personnel, but because shield surface is plane or arc surface, thrower is in shield face Irregular it can slide, the thrower of deflecting easily causes the injury of other law enfrocement officials of collaboration on the contrary.

3rd, flammable, corrosion class I liquid I attack：When criminal implements such attack, the hand of direct throwing is usually taken Section, law-executor is thrown to by flammable, corrosion class I liquid I.In face of such attack, the shield for the prior art that law-executor uses typically may be used To resist throwing liquid to holding the direct injury of shield personnel, but because shield surface is plane or arc surface, throwing liquid is in shield Irregular it can be splashed on face, the throwing liquid of deflecting easily causes the injury of other law enfrocement officials of collaboration on the contrary.

The shield of prior art is when as weapon attacking criminal simultaneously, it appears scarce capacity, majority is all simple Protection apparatus, it would be highly desirable to strengthen its attacking ability, realize the effect having conditions in both attack and defence.

Utility model content

The technical problems to be solved in the utility model visitor is to take existing defect to prevent cutting type Multifunctional shield there is provided one kind, The problem of effectively can solving in background technology.

In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：

One kind is anti-to cut type Multifunctional shield, including shield body, hand-held handle, protection pad and elbow locking and fixing device, institute Stating shield body includes shield body front, the shield body back side, shield head and shield tail, and the shield body front is extended by shield head To shield tail, the protection pad is connected with the shield body back side, and the hand-held handle and the elbow locking and fixing device are passed through Protection pad is connected with shield body, and the shield body front is provided with arcuate surface and notoptera, the arcuate surface from shield body just Face left and right sides edge highly gradually increases when extending to centre and intersects at notoptera, and the notoptera is higher than the arcuate surface, institute State notoptera and be laid with and prevent cutting bar.

As a kind of optimal technical scheme of the present utility model, the shield head also includes shield head transition face, and the shield tail is also Including shield tail transition face, the shield body front is intersected with shield head transition face and shield tail transition face, and the shield tail transition face With shield head transition face higher than shield body front, shield tail transition face and shield the head transition face, which is laid with, to be prevented cutting bar.

As a kind of optimal technical scheme of the present utility model, the shield head and the shield tail are reverse V-shaped, and the shield head is applied Bar is cut provided with anti-.

As a kind of optimal technical scheme of the present utility model, the anti-bar of cutting is semi-rigid material or elastomeric material system Into.

As a kind of optimal technical scheme of the present utility model, the anti-bar of cutting is arranged to undulating pleats face, described anti- Cut and salient point is additionally provided with bar.

As a kind of optimal technical scheme of the present utility model, the shield body front is provided with left side guide groove group and the right side Side guide groove group, the left side guide groove group is made up of multiple left side guide grooves, and the right side guide groove group is led by multiple right sides Constituted to groove, the left side guide groove extends diagonally upward from shield body frontal left edge along the arcuate surface surface Notoptera is intersected at, the right side guide groove prolongs diagonally upward from the positive right side edge of shield body along the arcuate surface surface Stretch and intersect at notoptera.

As a kind of optimal technical scheme of the present utility model, the shield body includes longitudinal axis, and the left side is led It is symmetrical arranged to groove group and the right side guide groove group along the longitudinal axis.

As a kind of optimal technical scheme of the present utility model, the left side guide groove and the right side guide groove are V-type Groove or U-type groove.

As a kind of optimal technical scheme of the present utility model, the arcuate surface is reverse V-shaped face or arc surface.

As a kind of optimal technical scheme of the present utility model, the shield body also includes vibration-absorptive material, the damping Material is arranged between shield body front and the shield body back side.

The beneficial effect that the utility model is reached is：

1st, this kind of shield, by cutter it is horizontal or it is oblique hit when, notoptera it is anti-cut bar and can effectively resist hit, Ward front is not damaged by, when longitudinally being hit by cutter, shield head it is anti-cut bar and can effectively resist hit；

2nd, this kind of shield, the guide groove of arcuate surface and multi-level damping can be by effectively unloading to holding when attacking The impulsive force of shield personnel；

3rd, the shield is also equipped with good attack performance, and U-shaped or V-type guide groove can rebound thrower attack abuser, be Law enfrocement official improves safety guarantee；

4th, it can additionally meet under the different strike states such as club, thrower, liquid, effectively guiding strike object edge Shield both sides in downward direction to be slid, allow law enfrocement official preferably to judge to attack the movement locus of object, it is to avoid right Hold shield personnel and collaboration personnel damage.

Brief description of the drawings

Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.

In the accompanying drawings：

Fig. 1 is the front view of shield described in the utility model embodiment 1；

Fig. 2 is the top view of shield described in the utility model embodiment 1；

Fig. 3 is the side view of shield described in the utility model embodiment 1；

Fig. 4 is the shield front schematic perspective view described in the utility model embodiment 1；

Fig. 5 is the shield back side schematic perspective view described in the utility model embodiment 1；

Fig. 6 is bounce-back track schematic diagram of the shield with V-groove described in the utility model embodiment 1；

Fig. 7 is the shield front band U-type groove schematic perspective view described in the utility model embodiment 2；

Fig. 8 is bounce-back track schematic diagram of the shield with U-type groove described in the utility model embodiment 2；

Fig. 9 is the side view of the shield described in the utility model embodiment 3

Label in figure：1st, shield body；2nd, protection pad；3rd, elbow locking and fixing device；4th, hand-held handle；5th, longitudinal axis； 100th, shield body front；100a, left side guide groove group；100b, right side guide groove group；101st, left side guide groove；101a, groove top Side；101b, groove top margin；101c, groove peak；101d, trough valley；101e, groove side；101f, groove side；101g, groove side；101h、 Groove top margin；102nd, right side guide groove；110th, shield head；111st, shield head transition face；120th, shield tail；121st, shield tail transition face；130 shields Side；130 shield top-cross lines；The 140 shield body back sides；150th, notoptera；160th, prevent cutting bar；170a, V-groove bounce-back track；170b、U Type groove bounce-back track.

Embodiment

Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.

Embodiment 1：As Figure 1-5, it is a kind of to prevent cutting type Multifunctional shield, including shield body 1, hand-held handle 4, protection pad 2 and elbow locking and fixing device 3, the shield body 1 includes shield body front 100, the shield body back side 140, shield first 110 With shield tail 120, the shield body front 100 extends to shield tail 120 by shield first 110, and the protection pad 2 is carried on the back with the shield body Face 140 is connected, and the hand-held handle 4 and the elbow locking and fixing device 3 are connected through protection pad 2 with shield body 1, the shield Board body front 100 is provided with arcuate surface and notoptera 150, and the arcuate surface is from the positive left and right sides edge of shield body to centre Height gradually increases and intersects at notoptera 150 during extension, and the notoptera 150 is higher than the arcuate surface, and notoptera 150 is laid with anti-cut Bar 160, height described in the present embodiment is vertical range of the positive optional position of shield body to the shield body back side, so from Shield front is seen, prevents that it is shield front projection to cut bar, described to prevent that cutting bar 160 with notoptera 150 is connected by bonding way , those skilled in the art is contemplated that, it would however also be possible to employ riveting, the other modes such as mode connects for screw.Due to the height of notoptera 150 Degree is higher than shield body front 100, prevents cutting after bar 160 so laying above, its height is also above shield body front 100. When meet with cutter it is horizontal or it is oblique hit when, what anti-on notoptera 150 cut that bar 160 can be preferential resist attack.

As a kind of optimal technical scheme of the present utility model, the shield body 1 includes shield first 110, the shield first 110 According to the reverse V-shaped shield head of the V-groove self-assembling formation for tilting upward, the shield body 1 also includes shield tail 120, the shield Tail 120 is reverse V-shaped according to the V-groove self-assembling formation for tilting upward.It is laid with the shield first 110 and shield tail 120 and prevents cutting bar 160；When longitudinally being hit by cutter, shield first 110 it is anti-cut bar and can effectively resist hit.

The shape of the shield first 110 and shield tail 120 is just matched with the incline direction of guide groove, outward appearance total tune, tool There is deterrent force.Reverse V-shaped shield first 110 can be beneficial to shield head when in use as instrument of aggression and attack criminal, while described It is anti-to cut bar 160 and the anti-strike capability of shield be strengthened.Reverse V-shaped shield tail can also be as instrument of aggression, to criminal Subdued, play a part of similar explosion-proof fork.

As a kind of optimal technical scheme of the present utility model, the shield first 110 also includes shield head transition face 111, described Shield tail 120 also includes shield tail transition face 121, the shield body front 100 and shield head transition face 111 and shield tail transition face 121 It is intersecting, and the shield tail transition face 121 and the height of shield head transition face 111 are higher than shield body front, the shield tail transition face 121 With shield head transition face 111 be laid with it is anti-cut bar 160, because the shield tail transition face 121 and shield head transition face 111 are also in evagination On face, to prevent cutting bar while can also utilize the convex shape of shield in itself, unload impulsive force, can effectively reduce and anti-cut bar What is be subjected to hits power, improves the security of shield.It is described to prevent that cut bar 160 is made up of semi-rigid material or elastomeric material, uses Semi-rigid material or elastomeric material, which can be buffered further, hits power.Thus those skilled in the art can also think simultaneously Arrive, prevent that cutting strip adoption rigid material is made.

A kind of preferential technical scheme, one kind is anti-to cut type Multifunctional shield, including shield body 1, hand-held handle 4, protection pad 2 With elbow locking and fixing device 3, the shield body 1 includes shield body front 100 and the shield body back side 140, the shield Pad 2 is connected with the shield body back side 140, the hand-held handle 4 and the elbow locking and fixing device 3 through protection pad 2 with Shield body 1 is connected, and the lateral cross section in the shield body front 100 is shaped as arcuate surface, and the arcuate surface can be reverse V-shaped Face or trapezoidal or other convex shapes of arc surface or evagination, the shield body front 100 be provided with arcuate surface and Notoptera 150, the arcuate surface gradually increases and intersected at from the positive left and right sides edge of shield body to height during the extension of centre Notoptera 150, the notoptera 150 is higher than the arcuate surface, and the notoptera 150, which is laid with, to be prevented cutting bar 160, as shown in figure 3, anti-cut bar 160 cross section and the form fit of shield notoptera 150 in the position of notoptera 150, is also the shapes such as reverse V-shaped face or arc surface, so The overall shape of shield is also to maintain arcuate surface shape, on the one hand be able to can bear bigger under attack when Hit power, on the other hand can also effectively unload attack, shield personnel are held in protection.

As illustrated in figures 4-5, the shield body front is provided with left side guide groove group 100a and right side guide groove group 100b, institute State left side guide groove group 100a to be made up of multiple left side guide grooves 101, the right side guide groove 100b groups are oriented to by multiple right sides Groove 102 is constituted, the left side guide groove 101 from longitudinal axis 5 to shield body positive 100 left side edges along the arcuate surface table Face extends in the diagonally downward direction, and the right side guide groove 102 is set along longitudinal axis 5 is axially symmetric, the left side guide groove 101 Including groove top margin 101a, groove top margin 101b, groove peak 101c, trough valley 101d, groove side 101e, groove side 101f；The groove side 101e and groove side 101f composition V-type intersections, the V-type intersection of the groove side is from positive 100 left side edges of shield body along institute State arcuate surface surface extend diagonally upward obtain the groove top margin 101b and groove top margin 101a composition V-type intersection, the groove The V-type intersection of side is spatially parallel with the V-type intersection of the groove top margin, and the V-type intersection of the groove side is in longitudinal direction The V-type intersection height of groove top margin described in direction ratio is low, and the groove peak 101c is in the both sides of the left side guide groove 101, trough valley 101d is in the middle of the left side guide groove 101, simultaneously because the lateral cross section in the shield body front 100 is shaped as evagination Face, is thus constituted from V-groove of the groove top margin to groove side diagonally downward.So no matter appointing for V-groove, is arrived in attacker's attack What position, due to the guide effect of V-groove, attack object is such as：Club class, can be along the V-groove in shield body front 100 to shield Board both sides direction slide downward；Meanwhile, shield personnel are held according to thrower movement locus, by the guide groove 101 of shield to thrower Into certain inclination angle, attack object is such as：Thrower or liquid may be sinusoidal motion track, three in the movement locus of guide groove Angle wave profile movement locus etc., horizontal sliding distance can be longer, can so delay to attack the speed of object and effective slow Impulsive force is rushed, is defined as " unloading mode ".Therefore, V-type guide groove can effectively guide strike object lateral along shield two Lower direction is slid, and slows down impulsive force, allows law enfrocement official to may determine that the movement locus of attack object, it is to avoid to holding shield personnel Personnel damage with collaboration.Therefore, V-type guide groove diagonally downward can effectively guide strike object lateral along shield two Lower direction is slid, and law enfrocement official can preferably judge to attack the movement locus of object, while can delay to attack thing The speed of body and effective cushion impact forces, it is to avoid damaged to holding shield personnel and collaboration personnel.

Further, as shown in fig. 6, being contacted due to the different impulse inertia of attack thing and with the difference of shield front guide groove Angle, hold shield personnel, by the guide groove 101 of shield just to thrower, can make thrower drop point according to thrower movement locus Vertical relative to shield, in this case, when running into thrower attack, thrower is directly anti-along the curved surface of guide groove 101 Rebound in front of shield body front, be defined as " bounce-back attack mode ".Due to the V-type that is shaped as of guide groove 101, wherein throwing Thing along V-groove rebound track 170a rebound back shield body front front be thrower rebounded in guide groove 101 one kind fortune Dynamic universal way, holds shield personnel by training, it is possible to use thrower collision guide groove bounce-back to the effect in front carries out anti- Abuser is hit, deterrence abuser halts attacks.

The shield body front 100 and the shield body back side 140 can be using the thermosetting plastic injections of high intensity Into；Or the shield body front 100 is made of carbon fiber, and the shield body back side 140 is molded system using thermosetting plastic Into so the overall weight of shield is light, being easy to carry.The shield body 1 also includes vibration-absorptive material, and the vibration-absorptive material is set Between shield body front 100 and the shield body back side 140, so by V-type or U-shaped guide groove buffer portion impulsive force, subtract Blanket slows down part of impact force again, and multi-level shock mitigation system is constituted together with the shield body back side 140 and protection pad 2, can To effectively reduce shock loading, alleviate impulsive force, improve the protection to law enfrocement official.

The shield body 1 includes longitudinal axis 5, the left side guide groove group 100a and the right side guide groove group 100b It is symmetrical arranged along the longitudinal axis 5.Because the left side guide groove group and the right side guide groove group are along the longitudinal axis It is symmetrical arranged.Notoptera 150 is mutually given in the extension of the left side guide groove 101 and the right side guide groove 102, is combined with multigroup go The reverse V-shaped guide groove of head, overall appearance, with deterrent force.

Embodiment 2, as shown in fig. 7, shield, is mainly oriented to by improved a kind of embodiment on the basis of embodiment 1 The shape of groove is changed to U-shaped by V-type.Specifically, the shield body front is provided with left side guide groove group 100a and right side guide groove 100b is organized, the left side guide groove group 100a is made up of multiple left side guide grooves 101, and the right side guide groove 100b groups are by multiple Right side guide groove 102 is constituted, and the left side guide groove 101 is from positive 100 left side edges of shield body along the arcuate surface surface Extend diagonally upward, the right side guide groove 102 is tilted from the positive right side edge of shield body along the arcuate surface surface Upward direction extend, the left side guide groove 101 and right side guide groove 102 from shield head to shield tail in terms of, constitute diagonally downward Guide groove, the left side guide groove 101 includes groove top margin 101h, groove peak 101c, groove side 101g；The groove side 101g is U Type intersection, the U-shaped intersection of the groove side is tilted towards top from positive 100 left side edges of shield body along the arcuate surface surface The groove top margin 101h is obtained to extension, the groove top margin 101h is U-shaped intersection and intersected with notoptera 150, the groove side U-shaped intersection is spatially parallel with the U-shaped intersection of the groove top margin, and the U-shaped intersection of the groove side is in longitudinal direction ratio The U-shaped intersection height of the groove top margin is low, and the groove peak 101c is in the both sides of the left side guide groove 101, simultaneously because institute The lateral cross section for stating shield body front 100 is shaped as outer convex globoidal, thus constitutes and is tilted towards from groove top margin to groove side Under U-type groove.So no matter attacker's attack is to any position of U-type groove, due to the guide effect of U-type groove, attack object or Liquid can be along the U-type groove in shield body front 100 to shield both sides direction slide downward or flowing, simultaneously because on shield Oblique direction, compared with not U-shaped guide groove, horizontal sliding distance can be longer, can so delay attack object speed, So U-shaped guide groove can effectively guide strike object in downward direction to be slid along shield both sides, allow law enfrocement official can be with Preferably judge the movement locus of attack object, it is to avoid damage to holding shield personnel and collaboration personnel.

As shown in figure 8, the different contact angles due to the different impulse inertia of attack thing and from shield front guide groove, hold Shield personnel, by the guide groove 101 of shield just to thrower, can make thrower drop point relative to shield according to thrower movement locus Board is vertical, in this case, when running into thrower attack, and thrower directly rebounds back shield along the curved surface of guide groove 101 Body front front, is defined as " bounce-back attack mode ".It is shaped as U-shaped due to guide groove 101, wherein thrower is along U-shaped Groove bounce-back track 160b shield body front fronts of rebound back are that a kind of motion that thrower rebounds in guide groove 101 is generally square Formula, holds shield personnel by training, it is possible to use effect of the thrower collision guide groove bounce-back to front hits back abuser, Deterrence abuser halts attacks.

Embodiment 3 as shown in figure 9, on the basis of embodiment 1 a kind of improved embodiment, mainly by shield notoptera 150 are changed to the class V-type cambered surface with undulating pleats face by the plane of V-type.It is described to prevent that cutting bar 160 is also configured to undulating pleats Face, by bonding, riveting, technology known to clamping etc. is attached, and this undulating pleats face can when running into and hitting To prevent the horizontal or oblique cutter hit from directly sliding out shield, cutter is set to do ripple in the anti-bar undulating pleats face of cutting of shield Shape wave curved slide motion, adds sliding distance and resistance to sliding, while preventing that salient point can also be set by cutting bar surface, bump location can It is respectively provided with the crest and wave trough position in undulating pleats face, crest or wave trough position can also be only set, are so not only beneficial to Alleviate impulsive force, also help and laid down one's arms.

In summary, such a shield is effective for when being attacked by tool type, resisting and hitting, Ward is not destroyed, On the other hand the impulsive force for hitting power to holding shield personnel can also be unloaded.It can also meet in club, thrower, liquid etc. no simultaneously With under strike state, effectively guiding strike object is in downward direction slid along shield both sides, allows law enfrocement official preferable Judgement attack object movement locus, it is to avoid damaged to holding shield personnel and collaboration personnel, at the same the shield be also equipped with it is good Good attack performance, has taken into account good defense and attacking ability, has been that law enfrocement official improves safety guarantee.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc., It should be included within protection domain of the present utility model.

Claims (10)

1. one kind is anti-to cut type Multifunctional shield, including shield body, hand-held handle, protection pad and elbow locking and fixing device, described Shield body includes shield body front, the shield body back side, shield head and shield tail, and the shield body front is extended to by shield head Shield tail, the protection pad is connected with the shield body back side, and the hand-held handle and the elbow locking and fixing device pass through shield Pad is connected with shield body, it is characterised in that the shield body front is provided with arcuate surface and notoptera, and the arcuate surface is from shield Board body front left and right sides edge highly gradually increases when extending to centre and intersects at notoptera, and the notoptera is highly higher than institute Arcuate surface is stated, the notoptera, which is laid with, to be prevented cutting bar.

2. one kind according to claim 1 is anti-to cut type Multifunctional shield, it is characterised in that the shield head also includes shield head mistake Face is crossed, the shield tail also includes shield tail transition face, and the shield body front is intersected with shield head transition face and shield tail transition face, and Shield tail transition face and shield the head transition face is highly higher than shield body front, and shield tail transition face and shield the head transition face is laid Have and prevent cutting bar.

3. one kind according to claim 2 is anti-to cut type Multifunctional shield, it is characterised in that the shield head and the shield tail are Reverse V-shaped, the shield head, which is laid with, to be prevented cutting bar.

4. one kind according to claim 3 is anti-to cut type Multifunctional shield, it is characterised in that the anti-bar of cutting is semi-rigid material Material or elastomeric material are made.

5. one kind according to claim 1 is anti-to cut type Multifunctional shield, it is characterised in that described to prevent that cutting bar is arranged to wave Shape fold face.

A kind of anti-cut type Multifunctional shield 6. according to claim 5, it is characterised in that it is described it is anti-cut be provided with bar it is convex Point.

7. one kind according to claim 3 is anti-to cut type Multifunctional shield, it is characterised in that the shield body front is provided with Left side guide groove group and right side guide groove group, the left side guide groove group are made up of multiple left side guide grooves, and the right side is oriented to Groove group is made up of multiple right side guide grooves, and the left side guide groove is from shield body frontal left edge along the arcuate surface surface Extension intersects at notoptera diagonally upward, and the right side guide groove is from the positive right side edge of shield body along the arcuate surface table Face extends diagonally upward intersects at notoptera.

8. one kind according to claim 7 is anti-to cut type Multifunctional shield, it is characterised in that characterized in that, the left side Guide groove and the right side guide groove are V-groove or U-type groove.

9. one kind according to claim any one of 1-8 is anti-to cut type Multifunctional shield, it is characterised in that the arcuate surface is Reverse V-shaped face or arc surface.

10. one kind according to claim any one of 1-8 prevents cutting type Multifunctional shield, it is characterised in that the shield sheet Body also includes vibration-absorptive material, and the vibration-absorptive material is arranged between shield body front and the shield body back side.