CN111272018A

CN111272018A - Shield

Info

Publication number: CN111272018A
Application number: CN202010219455.8A
Authority: CN
Inventors: 左承龙; 贺承志
Original assignee: Zhaoqing High Tech Zone Chuangxuteng New Material Technology Co ltd
Current assignee: Zhaoqing High Tech Zone Chuangxuteng New Material Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-06-12

Abstract

A shield, comprising: the power supply device comprises a plurality of blades which are connected and sequentially unfolded or folded, a power element which is connected with the blades and drives the blades to sequentially unfold or fold, and a power supply device which is connected with the power element and supplies power; the shield is foldable by folding the blades or partially overlapping and unfolding the blades, the portability of the shield is improved, the weight of the shield is reduced, and the shield can conveniently get in and out of a vehicle and be quickly deployed to a specified place. Meanwhile, the shield provided by the invention has good concealment, can confuse potential criminals, and can not cause psychological stress on the common people.

Description

Shield

Technical Field

The invention relates to a defense device, in particular to a shield.

Background

The traditional non-foldable shield has the defects of large size, inconvenient use, heavy weight, inconvenient storage and difficult carrying and entering into narrow spaces such as vehicles. The shield is obviously poor in concealment when being used on duty, and meanwhile, the common shield serving as armed equipment easily causes psychological pressure on common people in public places.

Disclosure of Invention

On this basis, there is a need for a foldable shield.

A shield, comprising: the blade-type wind power generator comprises a plurality of blades which are connected and sequentially unfolded or folded, a power element which is connected with the blades and drives the blades to sequentially unfold or fold, and a power supply device which is connected with the power element and supplies power.

In a preferred embodiment, the power element drives the blades to fan out to form a closed structure in a circular fan shape or a turbine shape or a fan shape, and the blades are connected through a connecting shaft and are sequentially overlapped together.

In a preferred embodiment, adjacent blades are partially overlapped or overlapped and unfolded to form a closed structure, and the blades are in a gradually-enlarged structure from one end to the other end of the interconnection.

In a preferred embodiment, a central hole which is mutually rotatably connected through a rotating shaft or a connecting shaft of the power element, a limiting column which is arranged below the central hole, and a limiting chute which is correspondingly arranged with the limiting column are arranged on the blade surface at one end where the blades are mutually connected.

In a preferred embodiment, the limiting columns of the blades are matched with the limiting sliding grooves of the adjacent blades, and the limiting sliding grooves are arc-shaped grooves.

In a preferred embodiment, the limiting column of the lower blade between the adjacent blades is arranged in the upper limiting sliding groove and moves along the limiting sliding groove to be folded or unfolded.

In a preferred embodiment, the vanes are triangular in shape with the long sides of the vanes partially overlapping or coinciding with the next longer sides of adjacent vanes.

In a preferred embodiment, the blades are of a right-angled triangular configuration, with the hypotenuse of adjacent blades partially coinciding or overlapping with the cathetus.

In a preferred embodiment, the vanes are in a shape of fan blade or irregular fan blade, and two long sides of the adjacent vanes or the long sides of the vanes are partially overlapped or overlapped with the minor long sides of the adjacent vanes.

In a preferred embodiment, comprising: 4 or more blades, said blades comprising: the first blade, a plurality of combination blade of being connected with power component, power component passes through the drive shaft and is connected with first blade and rotate and drive first blade and drive other blades in proper order and expand or draw in, and the first blade that is connected with power component when expanding overlaps or coincides with arranging last blade part relatively in, power component includes: provide the power part of power and be connected and drive the blade transmission shaft of first blade with the power part, the blade transmission shaft is the structure of turning, the blade transmission shaft includes: the power output part is connected with the power part, and the blade driving part is bent or bent relative to the power output part and extends to form and is connected with or attached to the first blade.

The shield is foldable by folding the blades or partially overlapping and unfolding the blades, the portability of the shield is improved, the weight of the shield is reduced, and the shield can conveniently get in and out of a vehicle and be quickly deployed to a specified place. Meanwhile, the shield provided by the invention has good concealment, can confuse potential criminals, and can not cause psychological stress on the common people.

Drawings

FIG. 1 is a schematic view of a shield according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another perspective view of a shield according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a partial structure of a shield according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a blade according to a preferred embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 4, a shield 100 according to an embodiment of the present invention includes: the blade device comprises a plurality of blades 20 which are connected and sequentially unfolded, a power element 40 which is connected with the blades 20 and drives the blades to sequentially unfold or fold, and a power supply device which is connected with the power element and supplies power.

The power supply device of this embodiment is a battery box 60 in which a battery is loaded. The power supply device can also adopt a device which can provide power supply, such as a charger.

The power element 40 of the present embodiment includes: a power member, and a blade drive shaft 44 in power connection therewith. The power member is preferably an electric motor. Other elements for providing power are also possible.

The blade 20 of the present embodiment includes: a first blade 22 connected to the power element 40, and a plurality of composite blades. The blades 20 are connected by a connecting shaft and are stacked in sequence. The motor is connected to the first blade 22 via a blade drive shaft 44. The blade transmission shaft 44 includes: a power output portion 442 connected to the motor, and a blade driving portion 444 bent or curved to extend from the power output portion 442 and connected to or attached to the first blade 22.

In a preferred embodiment, the power member 40 of the present embodiment drives the fan-like deployment of the vanes 22 into a circular fan-like or turbine-like or fan-like closed configuration.

Further, the adjacent blades 20 of the present embodiment are partially overlapped or overlapped and unfolded to form a closed structure, and the blades are gradually enlarged from one end to the other end of the blade.

Further, the blade surface of the blade 20 of the present embodiment is provided with a central hole 206, a position-limiting post 202 disposed below the central hole, and a position-limiting sliding groove 204 disposed correspondingly to and engaged with the position-limiting post 202. The motor shaft or through the drive shaft passes through the blade center hole 206 to connect the plurality of blades in series. The motor shaft is connected to the blade drive shaft 44, either through a drive shaft.

Further, the limiting column 202 of any blade 20 of the present embodiment is disposed in cooperation with the limiting sliding groove 204 of the adjacent blade. The limiting sliding groove is an arc-shaped groove.

Further, the limiting column of the lower blade between the adjacent blades 20 of this embodiment is disposed in the upper limiting sliding groove and moves along the limiting sliding groove to fold or unfold.

Further, the blade 20 of the present embodiment has a triangular shape. The long sides of the adjacent blades or the long sides of the blades are partially overlapped or superposed with the minor long sides of the adjacent blades.

Preferably, the vanes 20 of this embodiment are of a right triangle configuration, with the hypotenuse of adjacent vanes partially overlapping or overlapping the hypotenuse.

Further, the blade 20 of another embodiment of the present invention has a fan shape or an irregular fan shape. Two long sides of adjacent blades, or the long sides of the blades and the second long sides of the adjacent blades are partially overlapped or superposed.

Further, the shield of the present embodiment comprises: more than 4 blades. Further, the shield of the preferred embodiment comprises 12 blades.

The power member of the present embodiment is connected to the first blade 22 through the blade transmission shaft 44 and rotates to drive the first blade 22 to sequentially drive the other blades to unfold or fold, and the first blade connected to the power member overlaps or coincides with the last blade when unfolded.

The blades are driven to fold or unfold by positive and negative rotation of the motor. If the motor rotates forwards to drive the blades to be unfolded, the motor rotates backwards to drive the blades to be folded. The device can also be driven to unfold in the reverse direction and fold in the forward direction.

The following description will be made by driving the blades to unfold by the forward rotation of the motor and to fold by the reverse rotation of the motor.

When the blade is unfolded, the motor rotates to drive the blade transmission shaft to rotate, the first blade 22 connected with or attached to the first blade is driven to rotate, the limiting column 202 on the first blade 22 moves along the limiting sliding groove 204 of the second blade, the second blade is driven to unfold by moving to the end stop of the limiting sliding groove 204, the second blade unfolds by moving along the limiting sliding groove 204 of the third blade, the third blade is driven to unfold by moving to the end stop of the limiting sliding groove 204 of the third blade, the third blade unfolds by in turn, the fourth blade is driven to unfold by rotating, the fifth blade is driven by rotating the fourth blade, and the like, until the last blade is driven to unfold by rotating to overlap or coincide with the first blade.

When the blade is unfolded, the motor can also be adopted to rotate to drive the blade transmission shaft to rotate, the first blade 22 connected with or attached to the blade transmission shaft is driven to rotate, the limiting sliding groove 204 on the first blade 22 moves, one end of the limiting sliding groove 204 on the first blade 22 stops moving to the position of the limiting column 202 for moving the second blade, the limiting column 202 for driving the second blade rotates to drive the second blade to rotate and unfold, so that the limiting sliding groove on the second blade rotates, one end of the limiting sliding groove 204 on the second blade stops moving to the position of the limiting column 202 for moving the third blade, the limiting column 202 for driving the third blade rotates to drive the third blade to rotate and unfold, and the rest is done in turn until the last blade is driven to rotate and unfold and partially overlap or coincide with the first blade.

When the blades are folded, the motor rotates reversely to drive the blade transmission shaft to rotate reversely to drive the first blade 22 connected or attached with the first blade to rotate reversely or rotate anticlockwise, the limiting column 202 on the first blade 22 moves along the limiting chute 204 of the second blade, moves to the stopping position at the other end of the limiting chute 204 to drive the second blade to rotate and fold, the second blade is folded, moves along the limiting chute 204 of the third blade through the limiting column 202 of the second blade, moves to the stopping position at the other end of the limiting chute 204 of the third blade to drive the third blade to rotate and fold, and so on in turn, the third blade rotates and folds to drive the fourth blade to fold, and the fourth blade rotates and folds to drive the fifth blade to fold until the last blade is driven to rotate, fold and overlap.

When the blade is folded, the motor can also be used for reversely rotating to drive the blade transmission shaft to reversely rotate so as to drive the first blade 22 connected or attached with the blade transmission shaft to rotate anticlockwise, the first blade is folded and overlapped towards the second blade, the limiting chute 204 on the first blade 22 rotates, the other end of the limiting chute 204 on the first blade 22 stops rotating to be attached or attached to the limiting column 202 of the second blade, the blade is driven to be folded and overlapped towards the third blade, the second blade rotates to be folded, the other end of the limiting chute 204 on the second blade stops rotating to be attached or attached to the limiting column 202 of the third blade, the blade is driven to be folded towards the fourth blade, and the rest is done in this way until the last blade is driven to rotate, fold and overlap.

The foldable shield is folded by folding the blades, so that the portability of the shield is improved, the weight of the shield is reduced, and the shield can conveniently get in and out of a vehicle and be quickly deployed to a specified place. Meanwhile, the shield provided by the invention has good concealment, can confuse potential criminals, and can not cause psychological stress on the common people.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A shield, comprising: the blade-type wind power generator comprises a plurality of blades which are connected and sequentially unfolded or folded, a power element which is connected with the blades and drives the blades to sequentially unfold or fold, and a power supply device which is connected with the power element and supplies power.

2. The shield according to claim 1, characterized in that said power element drives the blades fanning out to form a closed structure in the shape of a circular fan or a turbine or a fan, said blades being connected by a connecting shaft and superimposed one on the other.

3. The shield according to claim 1, wherein adjacent blades are partially folded or unfolded to form a closed structure, and the blades are gradually enlarged from one end to the other end of the structure.

4. The shield according to claim 1, wherein the blade surface of the end of the blades connected with each other is provided with a central hole connected with each other in a rotating way through a rotating shaft or a connecting shaft of the power element, a limiting post arranged below the central hole, and a limiting sliding groove arranged corresponding to the limiting post.

5. The shield according to claim 1, wherein the limiting posts of the blades are arranged to cooperate with the limiting sliding grooves of the adjacent blades, and the limiting sliding grooves are arc-shaped grooves.

6. The shield according to claim 1, wherein the limiting posts of the lower blades between adjacent blades are arranged in the upper limiting sliding groove and move along the limiting sliding groove to be folded or unfolded.

7. The shield according to any one of claims 1 to 6, wherein the blades are triangular in shape, the long sides of the blades partially overlapping or coinciding with the minor long sides of adjacent blades.

8. The shield according to any one of claims 1 to 6, wherein the blades are of right-angled triangular configuration, the hypotenuse of adjacent blades partially coinciding or overlapping with the cathetus.

9. The shield according to any one of claims 1 to 6, wherein the blades are fan-shaped or irregular, and the two long sides of adjacent blades, or the long sides of blades, partially overlap or coincide with the minor long sides of adjacent blades.

10. The shield according to any one of claims 1 to 6, comprising: 4 or more blades, said blades comprising: the first blade, a plurality of combination blade of being connected with power component, power component passes through the drive shaft and is connected with first blade and rotate and drive first blade and drive other blades in proper order and expand or draw in, and the first blade that is connected with power component when expanding overlaps or coincides with arranging last blade part relatively in, power component includes: provide the power part of power and be connected and drive the blade transmission shaft of first blade with the power part, the blade transmission shaft is the structure of turning, the blade transmission shaft includes: the power output part is connected with the power part, and the blade driving part is bent or bent relative to the power output part and extends to form and is connected with or attached to the first blade.