CN215639074U - Police shield - Google Patents

Abstract

The utility model provides a police shield, which relates to the technical field of shields and comprises a shield main body, wherein the shield main body comprises a base flat plate and four side plates arranged along the periphery of the base flat plate, the four side plates are fixedly connected with the edge of the base flat plate and are obliquely arranged towards the same side of the base flat plate, the side of the base flat plate is defined as a front side, the adjacent side plates are fixedly connected, the four side plates and the base flat plate form a shield main body, the front side of the shield main body is concave, a handle is arranged on the rear side of the base flat plate and is connected with the base flat plate, when a violent target grabs the side plates, fingers cannot be hooked on the edges of the side plates, the shield is inconvenient to launch, the violent target is difficult to grab, the concave front side is convenient for a user to control the violent target, and the problem that the edges of the shield in the prior art are easy to grab the violent target and generate straight impact is solved, and the raised shield surface is not easy to control the violent target.

Description

Police shield

Technical Field

The utility model belongs to the technical field of shields, and particularly provides a police 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 structure of traditional riot shield is the arc usually, and curved convex surface is towards the violent target, and the concave surface is towards the user, forms half to enclose to establish the protection to the user, and the mainly used handles the mass nature riot incident, and what many policemen constitute prevents the riot formation and uses to the defense is leading.

However, when a single person uses the shield to catch and dispose the violent targets, the violent targets are easy to catch the edges of the shield and directly conflict with users, even catch the shield, and the convex surface of the shield faces the violent targets, so that the violent targets are not easy to control.

Accordingly, there is a need in the art for a police shield that addresses the above-mentioned problems.

Disclosure of Invention

The utility model provides a police shield, which solves the problems that the edge of the shield in the prior art is easy to grab by a violent target and generate straight-surface impact, and a raised shield surface is difficult to control the violent target.

The technical scheme of the utility model is realized as follows: the utility model provides an it is alert with shield, includes the shield main part, the shield main part includes that the basis is dull and stereotyped and follows four curb plates that the basis is dull and stereotyped all around sets up, four the curb plate with dull and stereotyped border fixed connection of basis and orientation the dull and stereotyped same one side slope setting of basis defines this side of basis is the front side, and is adjacent fixed connection between the curb plate, four the curb plate with the dull and stereotyped front side that forms of basis is the shield main part of interior concavity, the shield main part in the dull and stereotyped rear side of basis is provided with the handle, the handle with the dull and stereotyped connection of basis.

The technical effect of the scheme is as follows: the side plates incline towards the front side of the base flat plate, when a violent target grabs the side plates, the side plates face the violent target, fingers of the violent target cannot be hooked on the edges of the side plates, and force is not exerted, so that a shield is not easy to grab, a user can shake the shield through the handles to break away from the violent target, and the defense capacity of the shield is improved; the shield main part front side sets up to interior concavity towards one side of violence target promptly, and convenient to use person forms the control to the violence target, detains the violence target in the indent space, and the curb plate forms the restriction to the activity of violence target, is convenient for arrest it.

In the preferred technical scheme of the police shield, the four side plates are a first side plate, a second side plate, a third side plate and a fourth side plate in sequence, wherein the first side plate and the third side plate are symmetrically arranged, the second side plate and the fourth side plate are symmetrically arranged, the first side plate and the third side plate are back to one side of the base flat plate, the middle part of the first arc-shaped section is a first arc-shaped section which is concave towards the base flat plate, the two ends of the first arc-shaped section to the two ends of the side edge are second arc-shaped sections which are concave towards the direction deviating from the base flat plate, the second side plate and the fourth side plate are arc-shaped plates which are concave towards the front side of the base flat plate, the second side plate and the fourth side plate are both towards a third arc-shaped section which is concave towards the foundation slab on one side connected with the foundation slab and on one side deviated from the foundation slab.

The technical effect of the scheme is as follows: the curb plate edge all sets up to the arc for the shield is more difficult to be snatched, and second curb plate and fourth curb plate set up to the arc moreover, have strengthened the defensive strength of curb plate to the front side impact force.

In the above-mentioned police shield's preferred technical scheme, the front side of shield main part is provided with the stabilizer blade, the stabilizer blade with the shield main part is articulated to be connected, just the stabilizer blade with be provided with the mechanism of popping open between the shield main part, be provided with the restriction in the shield main part the stabilizer blade bounces open first stop gear and restriction the second stop gear that the stabilizer blade resets.

The technical effect of the scheme is as follows: through setting 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 throwing the thing, offeing, 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 police shield's preferred technical scheme, first stop gear includes the spring catch, the spring catch includes spacing end and operation end, the spring catch 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 the spring in the spring catch is in 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 above-mentioned police shield, the rear side of the shield main body is provided with a receiving groove recessed to the front side, the grip is arranged in the receiving groove, and the operating end of the spring pin is located in the receiving 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 police shield's preferred technical scheme, the second stop gear includes backstop component and non return device, when the stabilizer blade flicks to perpendicular to shield main part front side, the backstop component in the flick direction one side of stabilizer blade is to the stabilizer blade formation backstop, non return device in stabilizer blade reset direction one side to the stabilizer blade formation 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 a preferred embodiment of the police shield, the stop member comprises a seat and a limit bolt, the support is fixedly connected with the front side of the shield main body, the limit bolt is connected with the support, the non-return device comprises a base and a non-return rod, the base is fixedly connected with the support, one end of the non-return rod is hinged with the base, the other end of the non-return rod extends to form a convex block, a stop lever parallel to the check rod is fixedly connected to the base, a spring is arranged between the stop lever and the check rod, the lug is positioned on one side of the check rod, which is far away from the spring, and one side of the lug, which deviates from the check rod, is a wedge surface, when the support legs are bounced open, the check rod is extruded through the wedge surface to rotate, and when the support legs are perpendicular to the shield main body, the limiting bolt and the lug are respectively abutted against two side surfaces of the support legs.

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 above-mentioned alert shield's preferred technical scheme, the mechanism that pops open includes the spring hinge, the stabilizer blade passes through the spring hinge with shield main part is articulated to be connected.

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 police shield's preferred technical scheme, 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 the reset state just when spring in the spring catch is in 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 when 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 solution of the police shield, the front side of the base plate is provided with a cover plate fixedly connected with four side plates, the accommodating groove is located between the cover plate and the front side face of the shield main body, one side of the support leg is hinged with the cover plate through the spring hinge, one side of the support leg departing from the cover plate is provided with a special-shaped groove, two second attacking spearheads are formed at two sides of the special-shaped groove, when the support leg is located at a position perpendicular to the front side of the shield main body, the groove wall of the special-shaped groove close to the shield main body is obliquely arranged from one second attacking spearhead to the other second attacking spearhead, the spring pin is fixedly connected with the cover plate, one side of the limiting end departing from the cover plate is provided with an arc convex surface, and the operating end is connected with the limiting end through a connecting rod, just the operation end with handle sliding connection, the stabilizer blade is located reset state just when the spring in the spring catch is in natural state, spacing end is located the stabilizer blade deviates from one side of shield main part and with the stabilizer blade offsets, the stabilizer blade is located the perpendicular to when shield main part front side, the non return pole is located the both sides of stabilizer blade just the lug orientation is close to one side of stabilizer blade.

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 target, so that the violent target is easily enclosed in the special-shaped groove in an inclined mode, the violent target is not easy to attack in a straight plane, and the defense effect of the shield is improved.

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 description of the embodiments or the prior art will be briefly described below, and 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 these drawings without creative efforts.

FIG. 1 is a rear side elevational view of a first embodiment of a police shield according to the present invention;

FIG. 2 is a perspective view of the rear side of a first embodiment of a police shield according to the present invention;

FIG. 3 is a front elevational view of the front side of a first embodiment of a police shield according to the present invention;

FIG. 4 is a perspective view of the front side of a first embodiment of a police shield according to the present invention;

FIG. 5 is an enlarged view of a second limiting mechanism of a first embodiment of a police shield according to the present invention;

FIG. 6 is a rear side elevational view of a second embodiment of a police shield in accordance with the present invention;

FIG. 7 is a perspective view of the front side of a second embodiment of a police shield according to the present invention;

FIG. 8 is an enlarged view of the spring pin of a second embodiment of the police shield of the present invention;

FIG. 9 is an enlarged view of a second stop mechanism of a second embodiment of a police shield according to the present invention;

FIG. 10 is an enlarged view of the first limit mechanism and the second limit mechanism of the third police shield embodiment of the present invention;

fig. 11 is an enlarged view of a second ejection mechanism and a second limiting mechanism of a third police shield according to the present invention.

List of reference numerals: 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 support 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 utility model relates to a police shield, which comprises the following specific embodiments:

as shown in fig. 1 to 5, an alert shield comprises a shield body, support legs 4 arranged on the front side of the shield body and a handle 3 arranged on the rear side of the shield body, wherein the support legs 4 are hinged with the shield body, an opening mechanism is arranged between the support legs 4 and the shield 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 body.

With continued reference to fig. 1, the shield body comprises a base plate 1 and four side plates 2 disposed along the periphery of the base plate 1, the four side plates 2 being disposed to be inclined toward the front side of the base plate 1, and the four side plates 2 are connected, the upper and lower side plates 2 are symmetrically arranged, and the upper and lower side plates 2 are deviated from one side of the base flat plate 1, the middle part of the first arc-shaped section 21 is a first arc-shaped section 21 which is concave towards the base flat plate 1, the two ends of the first arc-shaped section 21 to the two ends of the side edge are second arc-shaped sections 22 which are concave towards the direction deviating from the base flat plate 1, and two second segmental arcs 22 symmetries, control two curb plate 2 symmetries and set up, and control two curb plate 2 and be the orientation towards the dull and stereotyped 1 front side concave arc about, about two curb plate 2 and the dull and stereotyped 1 side of being connected of basis and the side that deviates from dull and stereotyped 1 of basis be towards the dull and stereotyped 1 concave third segmental arc 23 of orientation. 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 and holds recess 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 stopping 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, and 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 application process of the police shield of the utility model 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 flicked, 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 to the support leg 4, the support leg 4 is opened outwards under the elastic force of the spring hinge 5, in the flicking process, the groove wall of the avoiding groove 43 of the support leg 4 is contacted with the wedge surface of the projection 821, the check rod 82 is extruded to rotate around the hinged end of the check rod 82 through the wedge surface to provide the avoiding for the continuous flicking of the support leg 4, when the groove wall of the avoiding groove 43 is separated from the projection 821, the check rod 82 is reset under the elastic force of the spring between the check rod 82 and the stop rod 83, the side, close to the L-shaped support seat 71, of the projection 821 forms the stop for the rotation of the support leg 4 towards the resetting direction, when the support leg 4 continuously flicking 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 flicking direction, thereby fixing the position of the foot 4.

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, non return device's lug 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 and the lug contact of non return device, the lug formed the backstop through the card to reseing of stabilizer blade in the stabilizer blade both sides.

The utility model relates to a second specific embodiment of a police shield:

as shown in fig. 6 to 9, an alert shield comprises a shield body, support legs 4 arranged on the front side of the shield body and a handle 3 arranged on the rear side of the shield body, wherein the support legs 4 are hinged with the shield body, an opening mechanism is arranged between the support legs 4 and the shield 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 body.

Referring to fig. 6 and 7, the shield body includes a base plate 1 and four side plates 2 disposed along the periphery of the base plate 1, the four side plates 2 being inclined toward the front side of the base plate 1, and the four side plates 2 are connected, the upper and lower side plates 2 are symmetrically arranged, and the upper and lower side plates 2 are deviated from one side of the base flat plate 1, the middle part of the first arc-shaped section 21 is a first arc-shaped section 21 which is concave towards the base flat plate 1, the two ends of the first arc-shaped section 21 to the two ends of the side edge are second arc-shaped sections 22 which are concave towards the direction deviating from the base flat plate 1, and two second segmental arcs 22 symmetries, control two curb plate 2 symmetries and set up, and control two curb plate 2 and be the orientation towards the dull and stereotyped 1 front side concave arc about, about two curb plate 2 and the dull and stereotyped 1 side of being connected of basis and the side that deviates from dull and stereotyped 1 of basis be towards the dull and stereotyped 1 concave third segmental arc 23 of orientation. 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 spring-open mechanism. The leg 4 includes a plate body portion, a special-shaped groove 44 is formed at the end of the plate body portion, two second attack spearheads 45 are formed at two sides of the special-shaped groove 44, and a 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 a shaft body of the pin shaft, the connecting rod 65 extends into the accommodating groove 11 through the covering plate 12 and the groove 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, a hole 622 for a finger to extend into is formed in the operating end 62, operation end 62 and connecting rod 65 fixed connection, promote operation end 62 through hole 622 and slide in the spout, realize that operation end 62 drives epaxial arc piece 64 of round pin through connecting rod 65 and slides along rectangular housing 63, when arc piece 64 was moved to the direction of withdrawing rectangular housing 63, the restriction to stabilizer blade 4 was cancelled, stabilizer blade 4 outwards bounces, when stabilizer blade 4 rotated the reset to basic flat board 1, second attack spearhead 45 was close to the arc convex surface of one side contact arc piece 64 of dysmorphism recess 44, and extrude the direction activity of arc piece 64 to getting into rectangular housing 63 through the arc convex surface, when the cell wall of dysmorphism recess 44 broke away from with arc piece 64, arc piece 64 popped out under the spring force effect of spring pin 6, form the backstop to the bounced of stabilizer blade 4, make stabilizer blade 4 be in the reset 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 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 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 off, the buffer cap of the bolt head abuts against the support leg 4 to stop the support leg 4.

Check device 8 sets up in the both sides of stabilizer blade 4, check device 8 includes base 81 and check rod 82, base 81 and the vertical part of L type support 71 towards one side fixed connection of stabilizer blade 4, check rod 82 is the same with the extending direction of spacing bolt 72, and the one end of check rod 82 is connected with base 81 is articulated, the other end is provided with lug 821, fixedly connected with is on a parallel with the pin 83 of check rod 82 on the base 81, be provided with the spring between check rod 82 and the pin 83, lug 821 extends to one side that check rod 82 deviates from this spring, and one side that lug 821 deviates from check rod 82 is the tapered surface, the perpendicular distance between one side that lug 821 is close to the vertical part of L type support 71 and the bolt head of spacing bolt 72 slightly is greater than the thickness of stabilizer blade 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 police shield of the utility model specifically uses the following processes: 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 support leg 4 needs to be flicked, the operating end 62 in the accommodating groove 11 is pushed, the operating end 62 drives the arc block 64 on the pin shaft to extrude the spring to move towards the rectangular shell 63 through the connecting rod 65, the arc block 64 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 flicking process, two side edges of the support leg 4 are 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 support leg through the inclined wedge surface to provide avoidance for the continuous flicking of the support leg 4, when the two side edges of the support 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 82 and the stop rod 83, one side of the projection 821, which is close to the L-shaped support 71, forms the stop for the rotation of the support leg 4 towards the resetting direction, when the support leg 4 continuously flicking to abut against the bolt head of the limit bolt 72, the limit bolt 72 forms the stop for the rotation of the support leg 4 towards the flicking direction, thereby fixing the position of the legs 4; 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 basic flat board and four curb plates that set up along basic flat board circumference, four curb plates incline the setting towards basic flat board front side, basic flat board's front side is provided with the apron, the apron is connected with four curb plates, in other embodiments, the shield main part only includes the basic flat board, basic flat board front side is provided with the apron, the apron is connected with the basic flat board, or the shield main part includes basic flat board and four curb plates, four curb plates incline the setting towards basic flat board back side, the dull and stereotyped front side of basis is provided with the apron, the apron is connected with the basic flat board.

The utility model relates to a third concrete embodiment of a police shield:

as shown in 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 installation axle 94, two end hooks of two torsional springs 95 are hung 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 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 intercommunication, 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 curb plate cover, and be provided with the spring in the sleeve 921 between the tip with installation axle 94, the one end that sleeve 921 deviates from installation axle 94 is connected with the guide shaft 923 that runs through arc guide slot 911, button 922 and guide shaft 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 police shield of the utility model is as follows: 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 departing 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 fixing seat 91; in the using process, when the supporting legs 4 need to be flicked, 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 to extrude the spring to move towards the rectangular shell 63 through the connecting rod 65, the arc-shaped block 64 loses the stop for the supporting legs 4, the supporting legs 4 are driven by the double torsion springs 95 and the U-shaped movable seat 92 to be opened outwards, in the flicking 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 flick to be vertical to the cover plate, the sleeve 921 of the button locking sleeve flicks into the limiting groove 912 under the elastic force of the spring between the sleeve 921 and the mounting shaft 94 to limit the U-shaped movable seat 92 to move relative to the U-shaped fixed seat 91, thereby limiting and fixing the position of the support leg 4, and the retainer ring 9211 is abutted against the inner side of the side plate of the U-shaped movable seat 92, so that the sleeve 921 is prevented from separating from the U-shaped movable seat 92 under the impact of the spring elasticity; when the supporting leg 4 needs to be reset, the button 922 is pressed, the sleeve 921 is enabled to extrude the spring between the sleeve 921 and the mounting shaft 94, the sleeve 921 is disengaged from the limiting groove 912, the rotating supporting leg 4 moves towards a position close to the cover plate, the guide shaft 923 on the sleeve 921 moves towards a direction far away from the limiting groove 912 along the arc guide groove 911, one side of the second attack spearhead 45 of the supporting leg 4 close to the special-shaped groove 44 is contacted with the arc convex surface of the arc-shaped block 64, the arc-shaped block 64 is extruded towards a direction entering the rectangular shell 63 through the arc convex surface, when the groove wall of the special-shaped groove 44 is disengaged from the arc-shaped block 64, the arc-shaped block 64 pops out under the spring force action of the spring pin 6, and the spring of the supporting leg 4 is popped out to form a stop.

The police shield provided by the utility model has the advantages that the stand bar which can be freely folded and unfolded is arranged at the front side of the shield main body, so that the shield can defend against attacks such as throwing objects, collision and the like, and can pop up the stand bar for 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.

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 (10)

1. The utility model provides an it is alert with shield, its characterized in that, includes the shield main part, the shield main part includes that the basis is dull and stereotyped and follows four curb plates that the basis is dull and stereotyped set up all around, four the curb plate with dull and stereotyped border fixed connection of basis and orientation the dull and stereotyped same one side slope of basis sets up, defines this side of basis is the front side, and is adjacent fixed connection between the curb plate, four the curb plate with the dull and stereotyped front side of formation of basis is the shield main part of interior concavity, the shield main part in the dull and stereotyped rear side of basis is provided with the handle, the handle with the dull and stereotyped connection of basis.

2. A police shield as claimed in claim 1, wherein the four side panels are, in order, a first side panel, a second side panel, a third side panel, a fourth side panel, wherein the first side plate and the third side plate are symmetrically arranged, the second side plate and the fourth side plate are symmetrically arranged, the first side plate and the third side plate are back to one side of the base flat plate, the middle part of the first arc-shaped section is a first arc-shaped section which is concave towards the base flat plate, the two ends of the first arc-shaped section to the two ends of the side edge are second arc-shaped sections which are concave towards the direction deviating from the base flat plate, the second side plate and the fourth side plate are arc-shaped plates which are concave towards the front side of the base flat plate, the second side plate and the fourth side plate are both towards a third arc-shaped section which is concave towards the foundation slab on one side connected with the foundation slab and on one side deviated from the foundation slab.

3. Police shield as claimed in claim 2, characterized in that the shield body is provided with a leg at the front side, the leg is connected with the shield body in an articulated manner, an opening mechanism is provided between the leg and the shield body, and the shield body is provided with a first limit mechanism for limiting the leg to open and a second limit mechanism for limiting the leg to return.

4. The police shield according to claim 3, wherein 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 body, the limiting end extends to the front side of the shield body, the operating end is located at the rear side of the shield body, and when a spring in the spring pin is in a natural state, the limiting end can limit the supporting legs from bouncing off.

5. The police shield as claimed in claim 4, wherein the rear side of the shield body is provided with a receiving groove recessed to the front side, the grip is disposed in the receiving groove, and the operating end of the spring pin is located in the receiving groove.

6. The police shield as claimed in claim 5, wherein the second limiting mechanism comprises a stopping member and a check device, the stopping member forms a stop for the leg on the side of the springing direction of the leg when the leg springs out to be perpendicular to the front side of the shield body, and the check device forms a stop for the leg on the side of the returning direction of the leg.

7. Police shield according to claim 6, wherein the stop member comprises a seat and a limit bolt, the support is fixedly connected with the front side of the shield main body, the limit bolt is connected with the support, the non-return device comprises a base and a non-return rod, the base is fixedly connected with the support, one end of the non-return rod is hinged with the base, the other end of the non-return rod extends to form a convex block, a stop lever parallel to the check rod is fixedly connected to the base, a spring is arranged between the stop lever and the check rod, the lug is positioned on one side of the check rod, which is far away from the spring, and one side of the lug, which deviates from the check rod, is a wedge surface, when the support legs are bounced open, the check rod is extruded through the wedge surface to rotate, and when the support legs are perpendicular to the shield main body, the limiting bolt and the lug are respectively abutted against two side surfaces of the support legs.

8. Police shield according to claim 7, wherein the ejection mechanism comprises a spring hinge, and the leg is hingedly connected to the shield body via the spring hinge.

9. The police shield as claimed in claim 8, wherein the leg has an arcuate groove on a side thereof facing away from the shield body, two first attack spearheads are formed on both sides of the arcuate groove, the leg has an escape groove for escaping from the receiving 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.

10. The police shield as claimed in claim 8, wherein the front side of the base plate is provided with a covering plate fixedly connected with the four side plates, the accommodating groove is located between the covering plate and the front side of the shield body, one side of the supporting leg is hinged with 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 attacking spearheads are formed on two sides of the special-shaped groove, when the supporting leg is located 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 second attacking spearhead to the other second attacking spearhead,

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 abutted 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.

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