KR102445799B1 - Expandable shield - Google Patents

Abstract

The present invention includes a central plate having coupling portions formed on both sides, a blade plate coupled through the central plate and the coupling portion and pivotally rotating around the coupling portion, and the lower end of the blade plate in a folded position in which the center plate and the blade plate are arranged side by side, , It relates to a shield comprising a driving unit for moving the wing plate pivotally rotated from the central plate to the unfolded extended position.

Description

Expandable Shield{EXPANDABLE SHIELD}

The present invention relates to an expandable shield having bulletproof and sword-proof functions, and more particularly, to a shield capable of expanding the protective area of the shield through movement of a wing part that can be driven to a folded position and an extended position.

A typical shield is made of a slightly curved shape in an arc shape, and the material is made of plastic material including polycarbonate (PC), synthetic resin material, metal material, etc., and a handle is provided on the back side for the user to hold do.

However, most shields are quite heavy in size and weight, and when carrying or storing the shield, various restrictions, including space restrictions, follow due to the volume of the shield.

In addition, when the area of the shield is small, there is a problem that the user's body cannot be sufficiently protected.

On the other hand, when frontline police officers confront or arrest a suspect in recent years, protective gear is required, and it is necessary to actively subdue the suspect by protecting the body from the weapon or blunt weapon possessed by the suspect.

Therefore, there is a need for a new type of shield that is easy to carry by folding the shield when moving, can reduce the loading space during storage, and can extend the size of the shield when necessary to sufficiently protect the user's body.

Korean Patent Application Publication No. 10-2013-0059528

An object of the present invention is to provide a shield capable of expanding the protection area by expanding the size of the shield as described above.

In order to achieve the above-described technical problem, the present invention is a central plate having coupling portions formed on both sides; The wing plate is coupled through the central plate and the coupling portion, and pivotally rotates around the coupling portion; And it is possible to provide a shield comprising a driving unit that holds the lower end of the wing plate in a folded position in which the central plate and the wing plate are arranged side by side, and moves the wing plate to an extended position where the wing plate is pivotally rotated from the central plate.

In addition, the coupling portion of the present invention may further include a first elastic member for imparting an elastic force to the wing portion is driven from the folded position to the extended position.

In addition, the driving unit of the present invention is slidably operated through press-fitting in the downward direction at the folded position of the wing portion, and the sliding bar having an operation hole in which the second elastic member is disposed in the longitudinal direction is formed, and the sliding bar is arranged in parallel with the sliding bar. a guide rail that regulates movement and has a regulating end at a position corresponding to the operation hole; and a holder portion for preventing the end of the wing portion from being separated from the lower portion of the sliding bar, one end of the second elastic member being fixed to the upper wall of the operation hole, and the other end of the second elastic member being fixed to the regulating end.

In addition, the holder of the present invention may include an extension extending vertically from the surface of the sliding bar and a protrusion extending upward from the extension in the longitudinal direction of the sliding bar, and one end of the protrusion may be formed of an inclined surface.

In addition, the present invention is a switch magnet formed on the sliding bar; And in the folded position of the wing portion, it is possible to provide a shield further comprising a wing magnet portion disposed at a position corresponding to the switch magnet portion.

In addition, in the wing portion of the present invention in the folded position, the position of the wing portion is fixed by the magnetic field attraction between the switch magnet portion and the wing magnet portion, and as the position of the switch magnet portion is changed by the sliding movement of the sliding bar, the switch magnet portion By lowering the magnetic field attraction between the magnetic force and the wing magnet portion, the position fixation of the wing portion can be released.

In addition, the coupling part of the present invention further includes a hinge part for fixing the center plate and the wing plate to each other, and the hinge part may be fixed to the center plate and the wing plate through the coupling of the male screw and the female screw.

In addition, the wing plate of the present invention may further include a molding protection unit surrounding the edge of the wing plate.

In addition, the center plate and the wing plate of the present invention may include a carbon fiber reinforced composite material layer and an aramid fiber reinforced composite material layer disposed on the surface.

In addition, the center plate and the wing plate of the present invention may further include a plurality of linear protrusions disposed on the surface, and an outer surface of the plurality of linear protrusions may be coated with a friction imparting material made of silicone or rubber material.

In addition, the central plate of the present invention may further include a lighting hole through which a lighting device can be inserted from the rear surface of the central plate in the extended position of the wing.

The present invention has the effect of sufficiently protecting the user's upper body by extending the size of the shield when necessary.

In addition, according to the present invention, the change of the shield from the folded position to the extended position can be easily implemented only by the user's switch operation.

In addition, the present invention can provide a shield that is easy to carry and store because the size of the shield can be reduced to a small size in the folded position.

1 is a front perspective view of a shield in an extended position according to an embodiment of the present invention;
2 is a plan view of a shield in a folded position according to an embodiment of the present invention.
3 is a perspective view schematically showing a driving unit attached to the rear surface of the shield according to an embodiment of the present invention.
4 is an exploded perspective view of a driving unit of a shield according to an embodiment of the present invention.
Figure 5 schematically shows the operating relationship of the driving unit in the folded position of the shield according to an embodiment of the present invention.
6 schematically illustrates the operation relationship of the driving unit when the shield is changed from a folded position to an extended position according to an embodiment of the present invention.
7 schematically shows that the hinge portion is coupled in the coupling portion of the shield according to an embodiment of the present invention.
8A is a perspective view schematically illustrating a hinge part of a shield according to an embodiment of the present invention, and FIG. 8B is a plan view schematically illustrating the hinge part in an extended position.
9 schematically shows that the hinge part is attached to the center plate and the wing plate through the male screw and the female screw in the coupling part of the shield according to the embodiment of the present invention.
10 schematically shows a cross-section of a middle plate according to an embodiment of the present invention.
11 schematically shows a linear protrusion disposed on the sword surface of the central plate according to an embodiment of the present invention.
12 schematically shows the insertion of a lighting device into a shield according to another embodiment of the present invention.

Hereinafter, the shield 1 according to an embodiment of the present invention and its driving relationship will be described with reference to the accompanying drawings through preferred embodiments of the present invention.

Prior to the description, when a part "includes" a certain component, this does not exclude other components unless otherwise stated, meaning that other components may be further included.

In addition, although embodiments of the present invention have been described with reference to the accompanying drawings, these are described for purposes of illustration, and the technical spirit of the present invention and its configuration and application are not limited thereby.

1 is a front perspective view of a shield 1 according to an embodiment of the present invention in an extended position, and FIG. 2 is a plan view of a shield 1 according to an embodiment of the present invention in a folded position.

1 and 2, the shield 1 according to an embodiment of the present invention has a central plate 10 facing the facing direction (hereinafter referred to as “front”), and both sides of the central plate. It is coupled through a coupling portion including a hinge portion 30 formed in, and includes a wing plate 20 that is movable by pivoting around the coupling portion.

In addition, on the rear surface of the central plate 10, in the folded position in which the central plate 10 and the wing plate 20 are arranged side by side, the lower end of the wing plate 20 is retained, and the wing plate 20 is located in the center A driving unit 50 that is pivotally rotated from the plate 10 to move it to an unfolded extended position may be disposed. A detailed configuration and operation relationship of the driving unit 50 will be described later.

In addition, a handle 40 capable of gripping the shield 1 may be disposed on the rear surface of the central plate 10 .

On the other hand, the coupling portion retains an elastic force when the wing plate 20 is in the folded position, and when the position fixation of the wing plate 20 is released by the operation of the driving unit 50, the wing plate 20 through the above-described elastic force. This automatically pivotable first spring 34 is formed.

In addition, a molding protection part 22 is disposed at the edge of the blade plate 20 to surround the edge of the blade plate 20 . The molding protection part 22 is a soft material, for example, a rubber material may be used, and may prevent the user from being inevitably injured by the edge of the wing plate 20 .

3 is a perspective view schematically illustrating a driving unit 50 attached to the rear surface of the shield 1 according to an embodiment of the present invention, and FIG. 4 is a driving unit 50 of the shield 1 according to an embodiment of the present invention. ) is an exploded perspective view.

As shown in FIGS. 3 and 4 , the driving unit 50 is slidably operated through press-fitting in the downward direction at the folded position of the wing plate 20, and the second spring 52 is disposed in the longitudinal direction through the operating hole. A sliding bar 51 having a (51a) formed thereon and a regulating end 54 at a position corresponding to the operation hole 51a while regulating the sliding movement of the sliding bar 51 while being arranged in parallel with the sliding bar 51 It is composed of the formed guide rail (53).

In addition, one end of the second spring 52 is fixed to the upper wall of the operation hole 51a, and the other end is fixed to the regulating end 54, so that the second spring 52 moves according to the movement of the sliding bar 51. It can be compressed or expanded.

In addition, a holder portion 55 for preventing separation while holding the lower end portion 20a of the wing plate 20 is formed in the lower portion of the sliding bar 51 . Specifically, the holder portion 55 includes an extension portion 55a extending vertically from the surface of the sliding bar 51 and a protrusion portion 55b extending upward from the extension portion 55a in the longitudinal direction of the sliding bar 51 . ), and one end of this protrusion 55b is formed of an inclined surface 55c.

In addition, the switch magnet part 56 is disposed on the sliding bar 51 , and this switch magnet part 56 is a blade disposed at a position corresponding to the switch magnet part 56 in the folded position of the wing plate 20 . It is possible to maintain magnetic field attraction together with the magnet unit 21 .

5 schematically shows the operating relationship of the driving unit 50 in the folded position of the shield 1 according to an embodiment of the present invention, and FIG. 6 is the folded position of the shield 1 according to an embodiment of the present invention. When changing from the to the extended position, the operating relationship of the driving unit 50 is schematically shown.

As shown in FIG. 5 , when the wing unit 20 is in the folded position, the switch magnet unit 56 and the wing magnet unit 21 are pulled by a magnetic field attraction force F to each other. At the same time, since the lower end 20a of the wing portion 20 is held inside the holder portion 55, the folded position of the wing portion 20 is maintained.

On the other hand, as shown in FIG. 6 , when the sliding bar 51 is slid to the lower side by the user's press-in operation, the switch magnet unit 56 disposed together according to the downward movement of the sliding bar 51 is also Moving together downward, the magnetic field attraction of the switch magnet part 56 and the wing magnet part 21 is reduced.

In addition, since the holder portion 55 also moves downward according to the movement of the sliding bar 51 , the lower end 20a of the wing portion 20 is also released by the holder portion 55 .

On the other hand, the press-in operation force acting on the sliding bar 51 described above retains the elastic force while the second spring 52 located in the operation hole 51a contracts according to the press-in operation force.

Therefore, in the folded position of the wing plate 20, since the first spring 34 located in the coupling portion already retains the elastic force, the magnetic field attraction of the switch magnet part 56 and the wing magnet part 21 is reduced and the holder While the holding of the portion 55 is released at the same time, the wing plate 20 is driven to pivot from the center plate 10, and finally moved to the extended position where the wing plate 20 is fully unfolded.

Therefore, through the switch magnet part 56 and the wing magnet part 21, the wing plate 20 together with the holder part 55 as a physical locking device can be reliably maintained in the folded position, so that an external sudden impact While preventing the blade plate 20 from being moved to the extended position by the same, it is possible to drive the blade plate 20 to the extended position only with a simple structure and operation.

In addition, when the pivot rotation to the extended position of the wing plate 20 is performed and the user's press-in operation is released, the second spring 52 located in the operation hole 51a of the sliding bar 51 moves the operation hole 51a. ) while expanding between the upper wall and the regulating end 54, a force is applied to move the sliding bar 51 upward, and finally the sliding bar 51 is the original when the wing plate 20 is in a folded position. position can be returned.

On the other hand, when the user operates the wing plate 20 from the extended position to the folded position, the lower end 20a of the wing plate 20 moves along the inclined surface 55c of the holder part 55 while the holder part 55 . of the protrusion 55b, and at the same time, since the switch magnet part 56 and the wing magnet part 21 are disposed at positions corresponding to each other, magnetic attraction is applied, and the wing plate 20 reliably maintains the folded position. can

Therefore, the user can easily switch the wing plate 20 of the shield 1 from the folded position to the extended position only by one-touch press-in operation of the sliding bar 51 , and then switch the wing plate 20 back to the folded position. When made, the folded position of the blade plate 20 can be reliably maintained.

7 schematically shows that the hinge part 30 is coupled to the coupling part of the shield 1 according to an embodiment of the present invention, and FIG. 8 is a hinge part 30 of the shield according to an embodiment of the present invention. ) schematically shows the operating relationship, and FIG. 8A schematically shows the detailed configuration of the hinge part 30 of the shield according to an embodiment of the present invention, and FIG. 8B is when the hinge part 30 is in the extended position. is a schematic plan view of

In addition, FIG. 9 shows that in the coupling part of the shield 1 according to the embodiment of the present invention, the hinge part 30 is connected to the center plate 10 and the wing plate 20 through the male screw 32 and the female screw 31 . ) is schematically shown.

As shown in FIG. 8B , when the hinge part 30 is driven from the folded position to the extended position, both inner edges 33 of the hinge part 30 abut against each other, so that the It is possible to prevent the hinge part 30 from expanding.

Therefore, by preventing the wing plate 20 coupled to the hinge part 30 from being expanded beyond a predetermined angle (θ), the wing plate 20 in the extended position is configured to be wrapped with respect to the facing direction, Users can be more effectively protected.

On the other hand, as shown in Fig. 9 (a), when the hinge portion is coupled to the center plate and the wing plate only with the general screw 300, the screw 300 is shaken by a blow or impact acting on the shield, and the screw 300 is Abrasion occurs between the screw thread and the coupling part due to the shaking, and the continuous coupling force cannot be maintained.

However, as shown in FIG. 9(b), the female screw 31 is inserted into the coupling hole 30a formed in the hinge part 30 and the coupling hole 10a formed in the center plate 10, and the corresponding When the male screw 32 is inserted into the cavity of the female screw 31 and coupled, even if a blow or impact is applied to the shield 1, the possibility of wear between the screw portion and the coupling holes 30a and 10a is fundamentally reduced. By blocking with, it is possible to maintain a continuous bonding force.

For example, when a stainless steel female screw 31 and a male screw 32 are manufactured and the aluminum hinge part 30 is combined, it can be used stably even with a force 2 to 3 times stronger than a structure combined with only a conventional screw. This is possible, and it is very advantageous in terms of management as it is easy to disassemble and assemble according to the user's need.

10 schematically shows a cross-section of a center plate 10 according to an embodiment of the present invention.

As shown in Fig. 10, the middle plate 10 of the shield 1 according to an embodiment of the present invention uses a carbon fiber reinforced composite material layer 12, or aramid along with this carbon fiber reinforced composite material layer. A fiber-reinforced composite material layer 11 may be disposed.

Specifically, a shield having a sword and bulletproof function should be sufficiently lightened so as not to burden the wearer while ensuring complete protection. Therefore, in order to secure the purpose of bulletproof or bulletproof and lightness, it can be manufactured by laminating the carbon fiber reinforced composite material layer 12 and the aramid fiber reinforced composite material layer 11 together.

In addition, although manufacturing the carbon fiber-reinforced composite material layer 12 and the aramid fiber-reinforced composite material layer 11 with a minimum thickness is a way to improve weight reduction, NIJ (U.S. Department of Justice standard) level 1 or more sufficient anti-blank performance It is preferable to maintain the carbon fiber reinforced composite material layer 12 with a thickness of 2.5 mm to 3.0 mm in order to secure the.

11 schematically shows the linear protrusion 13 disposed on the sword surface of the central plate 10 according to an embodiment of the present invention.

11 , a plurality of linear protrusions 13 may be formed on the outer surface of the central plate 10 . In the case of a general shield, it often forms an arc. In this case, when attacking with a weapon such as a sharp blade from the opponent, the tip of the weapon slides up from the shield and strikes the user's face or close personnel holding the shield. It may be changed by an unexpected attack.

Accordingly, a plurality of linear protrusions 13 are provided, and a friction imparting material 13a, for example, a silicone or rubber material, is coated on the linear protrusions 13 to prevent the weapon from sliding on the shield 1 . , so that it can be fixed and stopped at the protrusion 13 of the central plate 10 of the shield 1, it is possible to reduce the risk to the user or adjacent personnel.

12 schematically shows the insertion of the lighting device 60 into the shield 1 according to another embodiment of the present invention.

As shown in FIG. 12 , a lighting hole through which the lighting device 60 can be inserted into the shield 1 from the rear surface of the shield 1 in the extended position of the wing plate 20 of the shield 1 may be provided. have.

Such a lighting hole may form a lighting hole at a predetermined position of the central plate 10, and insert and mount the lighting device 60 in the lighting hole, to help during night use, and to project a warning light toward the other party.

In addition, the diameter size of the lighting hole can be adjusted according to the diameter size of the lighting device 60, and the diameter size of the lighting hole and the diameter size of the lighting device 60 are manufactured to be substantially the same, and the lighting device 60 in the lighting hole It is possible to prevent the lighting device 60 from being easily detached from the shield 1 when it is inserted and mounted.

With reference to the above descriptions, those skilled in the art to which the present invention pertains will be able to understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential characteristics thereof.

Therefore, it should be understood that the above-described embodiments are illustrative in all respects and are not intended to limit the present invention to the above-described embodiments, and the scope of the present invention lies in the claims described later rather than the detailed description described above. All changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be construed as being included in the scope of the present invention.

1 shield 10 mid plate
10a bonding hole 11 aramid composite material layer
12 Carbon fiber reinforced composite material layer 13 Linear protrusions
13a Friction imparting material 20 Wing plate
20a Lower part of wing plate 21 Magnet part of wing
22 Molding protection 30 Hinge
30a mating hole 31 female screw
32 Male screw 33 Hinge inner edge
50 Drive 40 Handle
34 First spring 51 Sliding bar
51a actuation hole 52 second spring
53 guide rail 54 regulation group
55 holder part 55a extension part
55b overhang 55c slope
56 Switch Magnet 60 Lighting Device
F magnetic attraction

Claims (11)

a central plate with coupling portions formed on both sides;
a wing plate coupled to the center plate through a coupling portion and pivotally rotated around the coupling portion; and
and a driving unit for holding the lower end of the wing plate in a folded position in which the central plate and the wing plate are arranged side by side, and moving the wing plate to an extended position in which the wing plate is pivotally rotated from the central plate,
The coupling portion includes a first elastic member that imparts an elastic force to the wing plate is driven from the folded position to the extended position,
The driving unit is slidingly operated through press-fitting in the downward direction at the folded position of the blade plate, a sliding bar having an operation hole in which a second elastic member is disposed in the longitudinal direction is formed, and the sliding bar is disposed in parallel with the sliding bar to slide the sliding bar. a guide rail regulating movement and having a regulating end at a position corresponding to the operation hole; and a holder part for preventing the lower end of the wing plate from being separated from the lower part of the sliding bar, wherein the second elastic member is fixed to the regulating end and compressed by the upper wall of the operation hole as the sliding bar moves downward. A shield characterized by being.
delete delete The method of claim 1,
The holder portion includes an extension portion extending vertically from the surface of the sliding bar;
and a protrusion extending upward in the longitudinal direction of the sliding bar from the extension,
One end of the protrusion is a shield, characterized in that made of an inclined surface.
5. The method of claim 4,
a switch magnet formed on the sliding bar; and
In the folded position of the wing plate, the shield comprising a wing magnet portion disposed at a position corresponding to the switch magnet portion.
6. The method of claim 5,
The blade plate is in the folded position, the position of the blade plate is fixed by the magnetic field attraction between the switch magnet part and the wing magnet part,
As the position of the switch magnet part is changed by the sliding movement of the sliding bar, the magnetic field attraction between the switch magnet part and the magnetic force of the wing magnet part is lowered, whereby the position fixation of the wing plate is released. .
The method of claim 1,
The coupling part further includes a hinge part for fixing the central plate and the wing plate to each other,
The hinge part is a shield, characterized in that it is fixed to the center plate and the wing plate through the coupling of the male screw and the female screw.
The method of claim 1,
The wing plate, shield, characterized in that it further comprises a molding protector surrounding the edge of the wing plate.
The method of claim 1,
The central plate and the wing plate, the shield comprising a carbon fiber reinforced composite material layer and an aramid fiber reinforced composite material layer.
a central plate with coupling portions formed on both sides;
a wing plate coupled to the center plate through a coupling portion and pivotally rotated around the coupling portion; and
A shield comprising a driving unit that holds the lower end of the wing plate in a folded position in which the central plate and the wing plate are arranged side by side, and moves the wing plate to an expanded position where the wing plate is pivotally rotated from the central plate,
The center plate and the wing plate further include a plurality of linear protrusions disposed on the shield surface,
Shield, characterized in that the outer surface of the plurality of linear protrusions is coated with a friction imparting material made of silicone or rubber material.
The method of claim 1,
The central plate, the shield, characterized in that it further comprises a lighting hole through which a lighting device can be inserted from the rear surface of the central plate in the extended position of the wing plate.

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