CN113670132B - Attack and defense dual-purpose shield - Google Patents

Abstract

The invention provides an attack and defense dual-purpose shield, which relates to the technical field of shields and comprises a shield main body, support legs arranged on the front side of the shield main body and a handle arranged on the rear side of the shield main body, wherein the support legs are hinged with the shield main body, an ejection mechanism is arranged between the support legs and the shield main body, a first limiting mechanism for limiting the support legs to eject and a second limiting mechanism for limiting the support legs to reset are arranged on the shield main body, and the support legs which can be freely retracted and extended are arranged on the front side of the shield main body enable the shield to defend against attacks such as throwing objects, collision and the like and eject the support legs to attack, so that the problem that a person using the shield is easily injured due to the fact that the shield is mainly defended and cannot rapidly attack and control violent targets in the prior art is solved.

Description

Attack and defense dual-purpose shield

Technical Field

The invention belongs to the technical field of shields, and particularly provides an attack and defense dual-purpose shield.

Background

The police shield is a hand-held protective harness for protecting human bodies from being injured, is used as a police apparatus in police and riot troops of various countries in the world, and is mainly used for defending against attack of stones, sticks and bullets of riots and protecting personal safety of soldiers. The traditional riot shield is mainly used for dealing with group riot events and an riot formation consisting of a plurality of policemen. The major part is to prevent the collision of throwing objects and kicking, and the multiple police arrays support the shield and can be matched with each other to make up the dead angle of defense.

When single police use this type of shield to arrest and handle extreme violence target such as sword axe class, the shortcoming of traditional shield is prominent, and the handling capacity is not enough, can't attack in the defensive while, and the inconvenience forms control to the violence target, and the violence target easily directly strikes before the shield and forms the injury to policemen.

Accordingly, there is a need in the art for a dual-purpose shield to address the above problems.

Disclosure of Invention

The invention provides an attack and defense dual-purpose shield, which solves the problem that a shield in the prior art is mainly defense and cannot quickly attack and control a violent target, so that a person using the shield is easily injured.

The technical scheme of the invention is realized as follows: the utility model provides an attack and defend dual-purpose shield, includes the shield main part, sets up in the stabilizer blade of shield main part front side and sets up in the handle of shield main part rear side, the stabilizer blade with the shield main part is articulated to be connected, just the stabilizer blade with be provided with between the shield main part and bounce-off mechanism, be provided with the restriction in the shield main part the stabilizer blade bounces off first stop gear and restriction the second stop gear that the stabilizer blade resets.

The technical effect of the scheme is as follows: through set up the stabilizer blade that can receive and release freely in shield main part front side for the shield can enough carry out the defense to attacks such as throw thing, offend, can pop out the stabilizer blade again and attack: during combat, the limit of the first limiting mechanism on the support legs is eliminated, so that the support legs are bounced off under the action of the bouncer, the second limiting mechanism fixes the bounced-off position of the support legs, and the support legs form attack tools on the front side of the shield main body, so that attacks such as dropping, chopping, beating, separating and the like can be rapidly carried out, meanwhile, the support legs can be used for measuring the control range, the control of a violent target at a safe distance is realized, and the violent target is prevented from directly impacting the shield; after the shield is used, the support legs are reset, the first limiting mechanism limits the support legs to bounce open, the occupied space of the shield is reduced, the shield can be stored and taken conveniently, and meanwhile the defense performance of the shield is guaranteed.

In the above-mentioned preferred technical scheme of attacking and defending dual-purpose shield, first stop gear includes the spring round pin, the spring round pin includes spacing end and operation end, the spring round pin with shield main part fixed connection, spacing end extends to shield main part front side, the operation end is located shield main part rear side, when spring in the spring round pin is in the natural state, spacing end can restrict the stabilizer blade is bounced off.

The technical effect of the scheme is as follows: the spring pin is convenient to operate, and the operating end of the spring pin is positioned at the rear side of the shield main body, namely the side of a user, so that the spring pin is pulled under the protection of the shield by the user.

In the preferable technical scheme of the attack and defense dual-purpose shield, the rear side of the shield main body is provided with an accommodating groove recessed towards the front side, the handle is arranged in the accommodating groove, and the operating end of the spring pin is positioned in the accommodating groove.

The technical effect of the scheme is as follows: the handle is positioned in the accommodating groove, the accommodating groove protects the hands, and the hands are not easy to be separated from the handle; the operating end of the spring pin is arranged at a position close to the handle, so that the operating end is conveniently and quickly pulled, and the support legs are quickly bounced to attack and defend.

In the above-mentioned preferred technical scheme of dual-purpose shield of attacking and defending, second stop gear includes backstop component and non return device, the stabilizer blade is flicked to the perpendicular to when shield main part front side, the backstop component in the flick direction one side of stabilizer blade is right the stabilizer blade forms the backstop, non return device in stabilizer blade reset direction one side is right the stabilizer blade forms the backstop.

The technical effect of the scheme is as follows: the spring-open positions of the support legs are fixed on the two sides of the support legs through the matching of the stop members and the check devices, and the stability of the support legs in the using process is guaranteed.

In the above-mentioned preferred technical scheme of attacking and defending dual-purpose shield, the backstop component includes support and spacing bolt, the support with shield main part front side fixed connection, spacing bolt with the support is connected, the non return device includes base and non return pole, the base with support fixed connection, the one end of non return pole with the base is articulated to be connected, and the other end extends there is the lug, fixedly connected with is on a parallel with the pin of non return pole on the base, the pin with be provided with the spring between the non return pole, the lug is located one side that the non return pole deviates from the spring, just the lug deviates from one side of non return pole is the scarf, pass through when the stabilizer blade is flicked the scarf extrusion the non return pole rotates, to its perpendicular to during the shield main part, spacing bolt with the lug support respectively lean on in the both sides face of stabilizer blade.

The technical effect of the scheme is as follows: when the stabilizer blade is flicked, the tapered wedge face on the extrusion non return pole lug makes the non return pole rotate around its hinged end and extrudes the spring between its and the pin, provides the space of dodging for the continuation activity of stabilizer blade, and the stabilizer blade is flicked to when leaning on in spacing bolt, and the stabilizer blade breaks away from the contact with the tapered wedge face, and under the effect of spring elasticity, the non return pole gyration, lug on the non return pole forms the backstop to the rotation of stabilizer blade to the direction that resets to the realization is flicked the quick fixed of position to the stabilizer blade.

In the preferable technical scheme of the dual-purpose shield for attack and defense, the springing-open mechanism comprises a spring hinge, and the support legs are hinged to the shield main body through the spring hinge.

The technical effect of the scheme is as follows: the support legs are hinged with the shield main body, the support legs can be automatically flicked, and the shield is simple in structure and convenient to operate.

In the above-mentioned preferred technical scheme of dual-purpose shield of attacking and defending, the stabilizer blade deviates from an arc recess has been seted up to one side of shield main part, arc recess both sides form two first attack spearheads, the stabilizer blade has been seted up and has been dodged hold the groove of dodging of recess, the spring catch runs through hold the recess and with hold recess fixed connection, the stabilizer blade is located reset state just when spring in the spring catch is in the natural state, the spacing end of spring catch is located the stabilizer blade deviates from one side of shield main part and with the stabilizer blade offsets and leans on, the stabilizer blade is located the perpendicular to during shield main part front side, the non return pole is located dodge the inslot just the lug orientation is kept away from one side of dodging the groove.

The technical effect of the scheme is as follows: the first attack spearhead can carry out multi-point breaking on the violent target and repel the violent target; the arrangement of the avoiding groove enables the supporting legs to be reset to be close to the shield main body, and the compactness of the shield is guaranteed.

In the preferred technical scheme of above-mentioned dual-purpose shield of attacking and defending, the front side fixedly connected with cover plate of shield main part, it is located to hold the recess the cover plate with between the shield main part leading flank, a side of stabilizer blade passes through spring hinge with the cover plate is articulated to be connected, the stabilizer blade deviates from special-shaped groove has been seted up to a side of cover plate, the both sides of special-shaped groove form two second attack spearheads, the stabilizer blade is located the perpendicular to when shield main part front side, special-shaped groove is close to the cell wall of shield main part is attacked the spearhead by one of them second and is attacked spearhead slope setting to another second, the spring pin with cover plate fixed connection, one side that the spacing end deviates from the cover plate is provided with the arc convex surface, the operating end pass through the connecting rod with spacing end is connected, just the operating end with handle sliding connection, the stabilizer blade is located reset state just when the spring in the spring round pin is in natural state, spacing end is located the stabilizer blade deviate from one side of shield main part and with the stabilizer blade offsets, the stabilizer blade is located when perpendicular to the non return lug and is close to one side.

The technical effect of the scheme is as follows: the shielding plate strengthens the strength of the shield, and simultaneously leads the resetting of the supporting legs and the accommodating groove not to interfere with each other; the inclined groove wall of the special-shaped groove guides the movement of the violent targets, so that the violent targets are easily and obliquely arranged in the special-shaped groove, the violent targets are not easy to attack in a straight surface, and the defense effect of the shield is improved.

In the preferred technical scheme of the attack and defense dual-purpose shield, the flick mechanism comprises a U-shaped fixed seat and a U-shaped movable seat, an articulated shaft is arranged between two side plates of the U-shaped fixed seat, the two side plates of the U-shaped movable seat are articulated with the U-shaped fixed seat through the articulated shaft, an installation shaft is arranged between the two side plates of the U-shaped movable seat, a double torsion spring is sleeved on the installation shaft, two tail ends of the double torsion spring are hooked on the articulated shaft, and the middle bending end of the double torsion spring is abutted against the U-shaped movable seat, the U-shaped fixed seat is connected with the shield main body, and the U-shaped movable seat is connected with the support legs; second stop gear including set up in arc guide slot on the U type fixing base curb plate with set up in button locking cover on the U type sliding seat, the centre of a circle of arc guide slot is located on the central axis of articulated shaft, the one end of arc guide slot is provided with the spacing groove, the spacing groove with arc guide slot intercommunication, button locking cover includes sleeve pipe and button, the sleeve pipe runs through U type sliding seat curb plate cover is located the one end of installation axle, just the cover intraductal with be provided with the spring between the tip of installation axle, the sleeve pipe deviates from the one end of installation axle is connected with and runs through the guide shaft of arc guide slot, the button with guide shaft fixed connection, the sleeve pipe is provided with the retaining ring outward, the spacing groove with sheathed tube external diameter looks adaptation, the sleeve pipe is located during the spacing inslot: the stabilizer blade keeps the perpendicular to the shield main part, the retaining ring is located the curb plate of U type sliding seat is close to one side of installation axle.

The technical effect of the scheme is as follows: the relative positions of the U-shaped fixed seat and the U-shaped movable seat are limited through the button locking sleeve, so that the supporting feet are automatically fixed when the supporting feet are bounced to the vertical to the shield main body, and the stability of the supporting feet in the using process is guaranteed.

In the preferable technical scheme of the attack and defense dual-purpose shield, the front side of the shield main body is concave.

The technical effect of the scheme is as follows: the inward concave front side surface is easy to enclose a violent target, and is beneficial to catching the violent target.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the rear side of a first embodiment of a dual-purpose shield of the present invention;

FIG. 2 is a perspective view of a rear side of a first embodiment of a dual-purpose shield for attack and defense according to the present invention;

FIG. 3 is a front view of the front side of a first embodiment of the dual-purpose shield of the present invention;

FIG. 4 is a perspective view of a front side of a first embodiment of an attacking and defending shield of the present invention;

FIG. 5 is an enlarged view of a second limiting mechanism of a first embodiment of the dual-purpose shield;

FIG. 6 is a rear side elevational view of a second embodiment of the dual-purpose shield of the present invention;

FIG. 7 is a perspective view of the front side of a second embodiment of the dual-purpose shield of the present invention;

FIG. 8 is an enlarged view of the spring pin of the second embodiment of the dual-purpose shield;

FIG. 9 is an enlarged view of a second limiting mechanism of a second embodiment of the dual-purpose shield;

FIG. 10 is a first enlarged view of the pop-up mechanism and the second limiting mechanism of the third embodiment of the dual-purpose shield;

fig. 11 is an enlarged view of a second pop-up mechanism and a second limiting mechanism of a third embodiment of the dual-purpose shield.

List of reference numbers: 1. a base plate; 11. an accommodating recess; 12. a cover plate; 2. a side plate; 21. a first arcuate segment; 22. a second arcuate segment; 23. a third arc segment; 3. a grip; 4. a leg; 41. an arc-shaped groove; 42. a first attack spearhead; 43. an avoidance groove; 44. a special-shaped groove; 45. a second attack spearhead; 5. a spring hinge; 6. a spring pin; 61. a limiting end; 62. an operation end; 621. a pull ring; 622. a hole; 63. a rectangular housing; 64. an arc-shaped block; 65. a connecting rod; 7. a stopper member; 71. an L-shaped support; 72. a limit bolt; 8. a non-return device; 81. a base; 82. a check rod; 821. a bump; 83. a stop lever; 91. a U-shaped fixed seat; 911. an arc-shaped guide groove; 912. a limiting groove; 92. a U-shaped movable seat; 921. a sleeve; 9211. a retainer ring; 922. a button; 923. a guide shaft; 93. hinging a shaft; 94. installing a shaft; 95. a double torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "inner", "outer", "front", "rear", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that a device or an element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The invention relates to a first specific embodiment of an attack and defense shield, which comprises the following components:

as shown in fig. 1 to 5, the attacking and defending dual-purpose shield comprises a shield main body, support legs 4 arranged on the front side of the shield main body and a handle 3 arranged on the rear side of the shield main body, wherein the support legs 4 are hinged with the shield main body, an opening mechanism is arranged between the support legs 4 and the shield main body, and a first limiting mechanism for limiting the opening of the support legs 4 and a second limiting mechanism for limiting the resetting of the support legs 4 are arranged on the shield main body.

Continuing to refer to fig. 1, the shield main part includes a basic flat board 1 and follows four curb plates 2 that basic flat board 1 set up all around, four curb plates 2 incline to set up towards the front of basic flat board 1, and be connected between four curb plates 2, two curb plates 2 symmetry sets up from top to bottom, and two curb plates 2 deviate from a side of basic flat board 1 from top to bottom, its middle part is the first segmental arc 21 towards basic flat board 1 concave yield, the both ends of first segmental arc 21 are the second segmental arc 22 that deviates from basic flat board 1 direction concave yield for the orientation to the both ends of this side, and two second segmental arc 22 symmetries, two curb plates 2 symmetry sets up about, and about two curb plates 2 are towards the segmental arc that basic flat board 1 front side concave yield, about two curb plates 2 are the side of being connected with basic flat board 1 and the side of deviating from basic flat board 1 and are the third segmental arc 23 towards basic flat board 1 concave yield. The base plate 1 and the four side plates 2 form a shield main body with a concave front side.

Referring to fig. 1, 2, 3 and 4, the back side of the base plate 1 is provided with two receiving grooves 11 recessed toward the front side thereof, the two receiving grooves 11 are symmetrically arranged in the left and right direction, and the handle 3 is installed in the receiving grooves 11. The two support legs 4 are arranged and are arranged at the front side of the foundation slab 1 in a bilateral symmetry manner. The leg 4 includes a plate body portion, an arc-shaped groove 41 is formed at a distal end of the plate body portion, two first attack lances 42 are formed at both sides of the arc-shaped groove 41, and an escape groove 43 which escapes from the accommodating groove 11 is formed in the leg 4.

The spring opening mechanism comprises a spring hinge 5, the spring hinge 5 comprises a first hinge and a second hinge, the first hinge and the second hinge are hinged through a hinge shaft, a torsion spring is sleeved on the hinge shaft, two ends of the torsion spring are respectively abutted against the first hinge and the second hinge, the first hinge is fixedly connected with the front side of the base flat plate 1 through a screw, and the second hinge is fixedly connected with the support legs 4 through screws, so that the two support legs 4 can be opened in a spring mode towards the direction far away from each other.

The first limiting mechanism comprises a spring pin 6, and the spring pin 6 comprises a cylindrical shell, a pin shaft arranged in the cylindrical shell and a spring sleeved on the pin shaft. Cylindrical housing runs through the lateral wall that holds recess 11 and with hold recess 11 fixed connection, and the one end of round pin axle is spacing end 61, and the other end is operating end 62, and when the spring was in the natural state, spacing end 61 extended to the front side of basic flat board 1, and operating end 62 is located and holds recess 11, and operating end 62 is connected with pull ring 621. Through pulling pull ring 621, can make spacing end 61 to the direction activity that is close to holding groove 11, for stabilizer blade 4 to the dull and stereotyped 1 rotation of basis reset provide dodge the space, stabilizer blade 4 rotates when pressing close to basic dull and stereotyped 1, loosens pull ring 621, and stabilizer blade 4 is located between spacing end 61 and the dull and stereotyped 1 of basis, and spacing end 61 supports and leans on in one side that stabilizer blade 4 deviates from basic dull and stereotyped 1, and the bullet to stabilizer blade 4 is opened and is formed the restriction, makes stabilizer blade 4 be in the reset state.

As shown in fig. 4 and 5, the second limiting mechanism includes a stopping member 7 and a non-return device 8, when the leg 4 is bounced to be perpendicular to the front side of the shield body, the stopping member 7 forms a stop for the leg 4 on one side of the bounced direction of the leg 4, and the non-return device 8 forms a stop for the leg 4 on one side of the return direction of the leg 4.

Specifically, the stop member 7 includes an L-shaped support 71 and a limit bolt 72, a transverse portion of the L-shaped support 71 is fixedly connected with the base plate 1 through a screw, a vertical portion is connected with the limit bolt 72, the limit bolt 72 is inserted into the vertical portion of the L-shaped support 71, nuts are screwed on two sides of the vertical portion respectively, a bolt head of the limit bolt 72 faces a direction close to the support leg 4, and when the support leg 4 is bounced open, the bolt head of the limit bolt 72 abuts against the support leg 4 to form a stop for the support leg 4.

The check device 8 comprises a base 81 and a check rod 82, the base 81 is fixedly connected with one side of the vertical part of the L-shaped support 71 facing the support leg 4, the check rod 82 is identical to the limit bolt 72 in extension direction, one end of the check rod 82 is hinged with the base 81, the other end of the check rod 82 is provided with a lug 821, a stop rod 83 parallel to the check rod 82 is fixedly connected to the base 81, a spring is arranged between the check rod 82 and the stop rod 83, the lug 821 extends towards one side of the check rod 82 departing from the spring, one side of the lug 821 departing from the check rod 82 is a wedge surface, and the vertical distance between one side of the lug 821 close to the vertical part of the L-shaped support 71 and the bolt head of the limit bolt 72 is slightly larger than the thickness of the support leg 4. When the support leg 4 is bounced off, the groove wall of the avoiding groove 43 of the support leg 4 is firstly contacted with the tapered wedge surface of the projection 821, the check rod 82 is extruded to rotate around the hinged end of the check rod through the tapered wedge surface, avoiding is provided for continuous bouncing off of the support leg 4, when the groove wall of the avoiding groove 43 is separated from the projection 821, the check rod 82 resets under the elastic force of the spring between the check rod 82 and the stop rod 83, one side of the projection 821, which is close to the L-shaped support 71, forms a stop for the rotation of the support leg 4 in the resetting direction, when the support leg 4 is continuously bounced off to abut against the bolt head of the limit bolt 72, the limit bolt 72 forms a stop for the rotation of the support leg 4 in the bouncing off direction, and therefore the position of the support leg 4 is fixed.

The specific use process of the first implementation of the attack and defense dual-purpose shield is as follows: in the initial state, the support leg 4 is in the reset state, that is, the limit end 61 of the spring pin 6 limits the support leg 4 to the position close to the shield main body; in the using process, when the support leg 4 needs to be sprung open, the pull ring 621 located in the accommodating groove 11 is pulled, the pull ring 621 drives the pin shaft to extrude the spring to move towards the direction close to the accommodating groove 11, the limiting end 61 loses the stop for the support leg 4, the support leg 4 is opened outwards under the elastic force of the spring hinge 5, in the bouncing open process, the groove wall of the avoiding groove 43 of the support leg 4 is in contact with the inclined wedge surface of the projection 821, the non-return rod 82 is extruded to rotate around the hinged end of the non-return rod through the inclined wedge surface to provide avoidance for the continuous bouncing open of the support leg 4, when the groove wall of the avoiding groove 43 is separated from the projection 821, the non-return rod 82 resets under the elastic force of the spring between the non-return rod 82 and the projection 83, the side, close to the L-shaped support 71, of the support leg 4 towards the resetting direction forms the stop, when the support leg 4 is continuously sprung open to abut against the bolt head of the limiting bolt 72, the limiting bolt 72 forms the stop for the rotation of the support leg 4 towards the bouncing open direction, and the position of the support leg 4 is fixed.

In the above embodiments, the shield main body includes a base plate and four side plates disposed along a circumferential direction of the base plate, the four side plates being disposed obliquely toward a front side of the base plate, and in other embodiments, the shield main body includes only the base plate, or the shield main body includes the base plate and the four side plates, and the four side plates are disposed obliquely toward a rear side of the base plate.

In the above embodiment, when the stabilizer blade was flicked, the cell wall in the groove of dodging of stabilizer blade and the lug contact of non return device, the lug of non return device forms the backstop through the card to the reseing of stabilizer blade in dodging the inslot, and non return device sets up in the position that L type support is close to the stabilizer blade and dodges the groove promptly, and in other embodiments, non return device sets up in the position that the stabilizer blade was kept away from the groove in L type support, and when the stabilizer blade was flicked, the side of stabilizer blade both sides contacted with the lug of non return device, and the lug forms the backstop through the card to the reseing of stabilizer blade both sides.

The invention relates to a second specific embodiment of an attack and defense shield:

as shown in fig. 6 to 9, the attacking and defending dual-purpose shield comprises a shield main body, support legs 4 arranged on the front side of the shield main body and a handle 3 arranged on the rear side of the shield main body, wherein the support legs 4 are hinged with the shield main body, an opening mechanism is arranged between the support legs 4 and the shield main body, and a first limiting mechanism for limiting the opening of the support legs 4 and a second limiting mechanism for limiting the resetting of the support legs 4 are arranged on the shield main body.

Referring to fig. 6 and 7, the shield main part includes a basic flat board 1 and four curb plates 2 along basic flat board 1 four sides that set up all around, four curb plates 2 incline the setting towards the preceding side of basic flat board 1, and be connected between four curb plates 2, two curb plates 2 symmetry sets up from top to bottom, and two curb plates 2 deviate from a side of basic flat board 1 from top to bottom, its middle part is the first segmental arc 21 towards basic flat board 1 concave yield, the both ends of first segmental arc 21 to the both ends of this side are the second segmental arc 22 that deviates from basic flat board 1 direction concave yield for the orientation, and two second segmental arc 22 symmetries, two curb plates 2 symmetry sets up about, and about two curb plates 2 be towards the segmental arc of basic flat board 1 front side concave yield, about two curb plates 2 are the third segmental arc 23 towards basic flat board 1 concave yield with the side that basic flat board 1 is connected with basic flat board 1 and the side that deviates from basic flat board 1. The front side of the basic flat plate 1 is provided with a cover plate 12, and the cover plate 12 is connected with the four side plates 2 to form a shield main body with a concave front side.

The rear side of the base flat plate 1 is provided with two accommodating grooves 11 which are recessed towards the front side of the base flat plate, the two accommodating grooves 11 are arranged in bilateral symmetry, the two accommodating grooves 11 are positioned between the cover plate 12 and the base flat plate 1, and the handle 3 is arranged in the accommodating grooves 11. The two support legs 4 are symmetrically arranged at the front side of the covering plate 12 and are hinged with the covering plate 12 through the pop-up mechanism. The leg 4 includes a plate body portion, the end of the plate body portion is provided with a special-shaped groove 44, two second attack spearheads 45 are formed on two sides of the special-shaped groove 44, and the groove wall of the special-shaped groove 44 facing away from the end of the second attack spearhead 45 is obliquely arranged from one second attack spearhead 45 to the other second attack spearhead 45.

The spring opening mechanism comprises a spring hinge 5, the spring hinge 5 comprises a first hinge and a second hinge, the first hinge and the second hinge are hinged through a hinge shaft, a torsion spring is sleeved on the hinge shaft, two ends of the torsion spring are respectively abutted against the first hinge and the second hinge, the first hinge is fixedly connected with the front side of the covering plate 12 through a screw, and the second hinge is fixedly connected with the support legs 4 through screws, so that the two support legs 4 can be opened in a spring mode towards the direction away from each other.

Referring to fig. 7 and 8, the first limiting mechanism includes a spring pin 6, when the supporting leg 4 is in a reset state, the spring pin 6 is located in the special-shaped groove 44 of the supporting leg 4, the spring pin 6 includes a rectangular housing 63, a pin shaft disposed in the rectangular housing 63, and a spring sleeved on the pin shaft, the rectangular housing 63 is fixedly connected to the front side of the covering plate 12, one end of the pin shaft is a limiting end 61, the limiting end 61 is connected to an arc-shaped block 64, and the spring is in a natural state, the arc-shaped block 64 extends to the outside of the rectangular housing 63, one side of the arc-shaped block 64 away from the covering plate 12 is an arc-shaped convex surface, a connecting rod 65 is connected to the shaft body of the pin shaft, the connecting rod 65 extends into the accommodating groove 11 through the wall of the covering plate 12 and the wall of the accommodating groove 11, an operating end 62 is slidably connected to the handle 3 of the accommodating groove 11, a sliding groove is formed in the handle 3, the operating end 62 is inserted into the sliding groove, the operation end 62 is provided with a hole 622 for fingers to extend into, the operation end 62 is fixedly connected with the connecting rod 65, the operation end 62 is pushed to slide in the sliding groove through the hole 622, the operation end 62 drives the arc-shaped block 64 on the pin shaft to slide along the rectangular shell 63 through the connecting rod 65, when the arc-shaped block 64 moves towards the direction of retracting the rectangular shell 63, the limitation on the support leg 4 is cancelled, the support leg 4 outwards pops open, when the support leg 4 rotates and resets towards the base flat plate 1, one side of the second attacking spearhead 45, which is close to the special-shaped groove 44, contacts with the arc-shaped convex surface of the arc-shaped block 64, and extrudes the arc-shaped block 64 towards the direction of entering the rectangular shell 63 through the arc-shaped convex surface, when the groove wall of the special-shaped groove 44 is separated from the arc-shaped block 64, the arc-shaped block 64 pops out under the spring elastic action of the spring pin 6, and forms a stop for the popping open of the support leg 4, so that the support leg 4 is in a resetting state.

Referring to fig. 7 and 9, the second limiting mechanism includes a stopping member 7 and a non-return device 8, when the supporting leg 4 is bounced to be perpendicular to the front side of the shield body, the stopping member 7 forms a stop for the supporting leg 4 at one side of the bounced direction of the supporting leg 4, and the non-return device 8 forms a stop for the supporting leg 4 at one side of the return direction of the supporting leg 4.

Specifically, the stopping member 7 comprises an L-shaped support 71 and a limit bolt 72, a transverse portion of the L-shaped support 71 is fixedly connected with the base plate 1 through a screw, a vertical portion is connected with the limit bolt 72, the limit bolt 72 penetrates through the vertical portion of the L-shaped support 71, nuts are screwed on two sides of the vertical portion respectively, a bolt head of the limit bolt 72 faces a direction close to the support leg 4, a buffer cap is mounted on the bolt head, and when the support leg 4 is bounced open, the buffer cap of the bolt head abuts against the support leg 4 to stop the support leg 4.

The check device 8 is arranged on two sides of the support leg 4, the check device 8 comprises a base 81 and a check rod 82, the base 81 is fixedly connected with a vertical part of the L-shaped support 71 towards one side of the support leg 4, the check rod 82 and the limit bolt 72 extend in the same direction, one end of the check rod 82 is hinged with the base 81, the other end of the check rod 82 is provided with a lug 821, the base 81 is fixedly connected with a stop rod 83 parallel to the check rod 82, a spring is arranged between the check rod 82 and the stop rod 83, the lug 821 extends towards one side of the check rod 82 departing from the spring, one side of the lug 821 departing from the check rod 82 is an inclined wedge surface, and the vertical distance between one side of the lug 821 close to the vertical part of the L-shaped support 71 and a bolt head of the limit bolt 72 is slightly larger than the thickness of the support leg 4. When the supporting leg 4 is bounced off, two side edges of the supporting leg 4 are firstly contacted with the tapered wedge surfaces of the convex blocks 821, the check rod 82 is extruded by the tapered wedge surfaces to rotate around the hinged end of the check rod, avoidance is provided for continuous bouncing off of the supporting leg 4, when the two side edges of the supporting leg 4 are separated from the convex blocks 821, the check rod 82 resets under the elastic force of the spring between the check rod 82 and the stop rod 83, one side of the convex blocks 821, which is close to the L-shaped support 71, forms a stop for rotation of the supporting leg 4 in the resetting direction, when the supporting leg 4 is continuously bounced off to abut against a buffer cap of a bolt head, the limit bolt 72 forms a stop for rotation of the supporting leg 4 in the bouncing off direction, and therefore the position of the supporting leg 4 is fixed.

The second implementation of the dual-purpose shield for attack and defense of the invention has the following specific use process: in the initial state, the support leg 4 is in the reset state, that is, the arc-shaped block 64 of the limiting end 61 of the spring pin 6 limits the support leg 4 to the position close to the shield main body; in the using process, when the supporting leg 4 needs to be bounced open, the operating end 62 in the accommodating groove 11 is pushed, the operating end 62 drives the arc-shaped block 64 on the pin shaft through the connecting rod 65 to extrude the spring to move towards the rectangular shell 63, the arc-shaped block 64 loses the stop for the supporting leg 4, the supporting leg 4 is opened outwards under the elastic force of the spring hinge 5, in the bouncing open process, two side edges of the supporting leg 4 are in contact with the inclined wedge surface of the projection 821, the non-return rod 82 rotates around the hinged end of the non-return rod 82 through the inclined wedge surface to provide avoidance for the continuous bouncing open of the supporting leg 4, when two side edges of the supporting leg 4 are separated from the projection 821, the non-return rod 82 resets under the elastic force of the spring between the non-return rod 83 and the projection 821 and one side close to the L-shaped support 71 to form the stop for the rotation of the supporting leg 4 in the resetting direction, and when the supporting leg 4 continuously bounces to abut against the bolt head of the limiting bolt 72, the limiting bolt 72 forms the stop for the rotation of the supporting leg 4 in the bouncing open direction, so that the position of the supporting leg 4 is fixed; when the support leg 4 needs to be reset, the check rod 82 is manually rotated to a position close to the stop rod 83, the limit of the convex block 821 on the support leg 4 is cancelled, the support leg 4 is rotated downwards, one side, close to the special-shaped groove 44, of the second attack spearhead 45 of the support leg 4 contacts the arc convex surface of the arc block 64, the arc block 64 is extruded to move towards the direction of entering the rectangular shell 63 through the arc convex surface, when the groove wall of the special-shaped groove 44 is separated from the arc block 64, the arc block 64 pops out under the action of the spring force of the spring pin 6, and the spring of the support leg 4 is flicked to form a stop.

In the above-mentioned embodiment, the shield main part includes the basis flat board and follows four curb plates that the dull and stereotyped circumference of basis set up, four curb plates incline to set up before the dull and stereotyped of basis, the dull and stereotyped front side of basis is provided with the apron, the apron is connected with four curb plates, in other embodiments, the shield main part only includes the basis flat board, the dull and stereotyped front side of basis is provided with the apron, the apron is connected with the basis flat board, or the shield main part includes the dull and stereotyped and four curb plates of basis, four curb plates incline to set up after the dull and stereotyped of basis, the dull and stereotyped front side of basis is provided with the apron, the apron is connected with the basis flat board.

The third specific embodiment of the attack-defense dual-purpose shield of the invention:

referring to fig. 10 and 11, the difference from the second embodiment is that: the mechanism that pops open includes U type fixing base 91 and U type sliding seat 92, be provided with articulated shaft 93 between the both sides board of U type fixing base 91, the both sides board of U type sliding seat 92 passes through articulated shaft 93 and is connected with U type fixing base 91 is articulated, be provided with installation axle 94 between the both sides board of U type sliding seat 92, the cover is equipped with two torsional springs 95 on installing axle 94, two end hooks of two torsional springs 95 hang in articulated shaft 93, the end of buckling in the middle part is supported and is leaned on in U type sliding seat 92, U type fixing base 91 is connected with the apron, U type sliding seat 92 is connected with stabilizer blade 4, make two stabilizer blades 4 can pop open to keeping away from each other's direction.

Second stop gear is including offering the arc guide slot 911 on U type fixing base 91 curb plate and setting up the button locking cover on U type sliding seat 92, the centre of a circle of arc guide slot 911 is located the center axis of articulated shaft 93, the one end of arc guide slot 911 is provided with spacing groove 912, spacing groove 912 and arc guide slot 911 communicate, the button locking cover includes sleeve 921 and button 922, sleeve 921 runs through the one end that installation axle 94 was located to U type sliding seat 92 lateral plate cover, and be provided with the spring in the sleeve 921 and between the tip of installation axle 94, the one end that sleeve 921 deviates from installation axle 94 is connected with the guide axle 923 that runs through arc guide slot 911, button 922 and guide axle 923 fixed connection, sleeve 921 is provided with retaining ring 9211 outward, the external diameter looks adaptation of spacing groove 912 and sleeve 921. When the sleeve 921 is located in the limiting groove 912: the legs 4 remain perpendicular to the shield body and the spring in the sleeve 921 decompresses from compression and the collar 9211 abuts against the side of the side plate of the U-shaped runner 92 adjacent the mounting shaft 94.

The third implementation specific use process of the attack and defense dual-purpose shield comprises the following steps: in an initial state, the support leg 4 is in a reset state, the guide shaft 923 of the button locking sleeve is located at one end of the arc guide groove 911 away from the limiting groove 912, and one end of the sleeve 921 close to the guide shaft 923 abuts against the inner side of the side plate of the U-shaped fixed seat 91; in the using process, when the supporting legs 4 need to be bounced open, the operating end 62 in the accommodating groove 11 is pushed, the operating end 62 drives the arc-shaped block 64 on the pin shaft through the connecting rod 65 to extrude the spring to move towards the rectangular shell 63, the arc-shaped block 64 loses the stop for the supporting legs 4, the supporting legs 4 are driven by the double-torsion spring 95 and the U-shaped movable seat 92 to open outwards, in the bouncing process, the guide shaft 923 on the button locking sleeve moves towards the limiting groove 912 along the arc-shaped guide groove 911, when the supporting legs 4 bounce to be perpendicular to the covering plate, the sleeve 921 of the button locking sleeve bounces into the limiting groove 912 under the elastic force of the spring between the sleeve 921 and the mounting shaft 94 to limit the movement of the U-shaped movable seat 92 relative to the U-shaped fixed seat 91, so that the position of the supporting legs 4 is limited and fixed, the retainer ring 9211 abuts against the inner side of the side plate of the U-shaped movable seat 92, and the sleeve 921 is prevented from separating from the U-shaped movable seat 92 under the impact of the spring force; when the supporting leg 4 needs to be reset, the button 922 is pressed, the sleeve 921 extrudes the spring between the sleeve and the mounting shaft 94, the sleeve 921 is separated from the limiting groove 912, the rotating supporting leg 4 moves towards the position close to the cover plate, the guide shaft 923 on the sleeve 921 moves towards the direction far away from the limiting groove 912 along the arc-shaped guide groove 911, one side of the second attack spearhead 45 of the supporting leg 4 close to the special-shaped groove 44 contacts the arc-shaped convex surface of the arc-shaped block 64, and the arc-shaped block 64 is extruded towards the direction entering the rectangular shell 63 through the arc-shaped convex surface, and when the groove wall of the special-shaped groove 44 is separated from the arc-shaped block 64, the arc-shaped block 64 is popped out under the spring force action of the spring pin 6, and the popping of the supporting leg 4 forms a stop.

The dual-purpose shield for attack and defense of the invention can defend against the attacks such as throwing objects, bumping and the like and can pop out the supporting legs for attack by arranging the supporting legs which can be freely retracted and released at the front side of the shield main body: during combat, the limit of the first limiting mechanism on the support legs is eliminated, so that the support legs are bounced off under the action of the bouncer, the second limiting mechanism fixes the bounced-off position of the support legs, and the support legs form attack tools on the front side of the shield main body, so that attacks such as dropping, chopping, beating, separating and the like can be rapidly carried out, meanwhile, the support legs can be used for measuring the control range, the control of a violent target at a safe distance is realized, and the violent target is prevented from directly impacting the shield; after the shield is used, the support legs are reset, the first limiting mechanism limits the support legs to be bounced open, the occupied space of the shield is reduced, the shield can be stored and taken conveniently, and meanwhile the defensive performance of the shield is guaranteed.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A dual-purpose shield for attack and defense is characterized by comprising a shield main body, support legs arranged on the front side of the shield main body and a handle arranged on the rear side of the shield main body, wherein the support legs are hinged with the shield main body, an opening mechanism is arranged between the support legs and the shield main body, and the shield main body is provided with a first limiting mechanism for limiting the opening of the support legs and a second limiting mechanism for limiting the resetting of the support legs;

the first limiting mechanism comprises a spring pin, the spring pin comprises a limiting end and an operating end, the spring pin is fixedly connected with the shield main body, the limiting end extends to the front side of the shield main body, the operating end is located on the rear side of the shield main body, and when a spring in the spring pin is in a natural state, the limiting end can limit the supporting legs to bounce open;

the rear side of the shield main body is provided with a containing groove which is recessed towards the front side, the handle is arranged in the containing groove, and the operating end of the spring pin is positioned in the containing groove;

the second limiting mechanism comprises a stopping component and a non-return device, when the support legs are bounced to be perpendicular to the front side of the shield main body, the stopping component stops the support legs at one side of the bounced direction of the support legs, and the non-return device stops the support legs at one side of the reset direction of the support legs;

the backstop component includes support and spacing bolt, the support with shield main part front side fixed connection, spacing bolt with the support is connected, non return device includes base and non return pole, the base with support fixed connection, the one end of non return pole with the base is articulated to be connected, and the other end extends there is the lug, fixedly connected with is on a parallel with the pin of non return pole, the pin with be provided with the spring between the non return pole, the lug is located one side that the non return pole deviates from the spring, just the lug deviates from one side of non return pole is the scarf, when the stabilizer blade bounces open, pass through the scarf extrusion the non return pole rotates, to its perpendicular to during the shield main part, spacing bolt with the lug support respectively support by in the both sides face of stabilizer blade.

2. The shield of claim 1, wherein the pop-up mechanism comprises a spring hinge, and the leg is hinged to the shield body via the spring hinge.

3. The dual-purpose shield according to claim 2, wherein an arc groove is formed on a side of the leg away from the shield body, two first attack spearheads are formed on two sides of the arc groove, the leg is formed with an avoiding groove for avoiding the accommodating groove,

the spring pin penetrates through the accommodating groove and is fixedly connected with the accommodating groove, when the support legs are in a reset state and the spring in the spring pin is in a natural state, the limiting ends of the spring pin are positioned on one side of the support legs, which is far away from the shield main body, and are abutted against the support legs,

when the supporting leg is positioned at the position perpendicular to the front side of the shield main body, the check rod is positioned in the avoidance groove, and the lug faces to the side far away from the avoidance groove.

4. The dual-purpose shield as claimed in claim 2, wherein a covering plate is fixedly connected to the front side of the shield body, the receiving groove is located between the covering plate and the front side of the shield body, one side of the supporting leg is hinged to the covering plate through the spring hinge, a special-shaped groove is formed in one side of the supporting leg away from the covering plate, two second attack spearheads are formed on two sides of the special-shaped groove, when the supporting leg is perpendicular to the front side of the shield body, the groove wall of the special-shaped groove close to the shield body is inclined from one of the second attack spearheads to the other of the second attack spearheads,

the spring pin is fixedly connected with the cover plate, one side of the limiting end, which is far away from the cover plate, is provided with an arc convex surface, the operating end is connected with the limiting end through a connecting rod, the operating end is in sliding connection with the handle, the limiting end is positioned on one side of the support leg, which is far away from the shield main body and is propped against the support leg when the support leg is in a reset state and the spring in the spring pin is in a natural state,

when the supporting leg is perpendicular to the front side of the shield main body, the check rod is located on two sides of the supporting leg, and the convex block faces to one side close to the supporting leg.

5. The dual-purpose shield for attack and defense according to claim 1, wherein the flicking mechanism comprises a U-shaped fixed seat and a U-shaped movable seat, an articulated shaft is arranged between two side plates of the U-shaped fixed seat, the two side plates of the U-shaped movable seat are articulated with the U-shaped fixed seat through the articulated shaft, an installation shaft is arranged between the two side plates of the U-shaped movable seat, a double torsion spring is sleeved on the installation shaft, two tail ends of the double torsion spring are hooked on the articulated shaft, a middle bent end of the double torsion spring abuts against the U-shaped movable seat, the U-shaped fixed seat is connected with the shield main body, and the U-shaped movable seat is connected with the support legs;

second stop gear is including seting up in arc guide slot on the U type fixing base curb plate with set up in button locking cover on the U type sliding seat, the centre of a circle of arc guide slot is located on the center axis of articulated shaft, the one end of arc guide slot is provided with the spacing groove, the spacing groove with arc guide slot intercommunication, button locking cover includes sleeve pipe and button, the sleeve pipe runs through U type sliding seat curb plate cover is located the one end of installation axle, just in the cover pipe with be provided with the spring between the tip of installation axle, the sleeve pipe deviates from the one end of installation axle is connected with and runs through the guide shaft of arc guide slot, the button with guide shaft fixed connection, the sleeve pipe is provided with the retaining ring outward, the spacing groove with sheathed tube external diameter looks adaptation, the sleeve pipe is located during the spacing inslot: the stabilizer blade keeps the perpendicular to the shield main part, the retaining ring is located the curb plate of U type sliding seat is close to one side of installation axle.

6. The dual-purpose shield according to any one of claims 3 to 5, wherein the front side of the shield body is concave.

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