The content of the invention
For drawbacks described above, it is an object of the invention to propose a kind of roller firing target box, there is target all the time in the target case
Piece can carry out continuous fire in shooting state.
It is that, up to this purpose, the present invention is employed the following technical solutions:
A kind of roller firing target box, including target case;Be provided with the target case rotating shaft, target piece, rotation seat, rotating magnet,
Repulsion magnet and attraction part, the leading flank of the target case is provided with the embrasure in the shooting face that can expose the target piece;
The rotation seat is two, is relatively fixed on the left and right medial surface of the target case by its bottom face respectively, institute
State rotation seat to be made up of columned hollow cavity and outer ring seat, the relative inner face of the rotation seat is respectively near respective bottom
The direction of end face is recessed to form hollow cavity described in two, and the two ends of the rotating shaft are rotatably arranged in respectively middle cavity described in two
In vivo;On the straight line that the axis of the rotating shaft is located, high order end is big with the distance between low order end on hollow cavity described in two
In the length of the rotating shaft;
Some target pieces are radially fixed on the rotating shaft, and arbitrarily phase along the axis direction perpendicular to the rotating shaft
The angle number of degrees between the shooting face place plane of adjacent target piece are equal, are α;The rotating magnet is fixed on the one of the rotating shaft
End, on the rotation seat being equipped with the end rotating shaft, some repulsion magnets and attraction part are fixed on the outer ring seat;
Some the repulsion magnets and attraction part are laid around the hollow cavity, and in any of the hollow cavity
On radial section, arbitrary neighborhood attract part kernel of section respectively with the axial connecting line of hollow cavity after, angle between two lines
The number of degrees be α, be equipped with the repulsion magnet between the adjacent attraction part;Target described in the rotating magnet and at least one
The shooting face of piece is coplanar, at least one is described attract part be located at the hollow cavity vertically radially, the target piece is penetrated
The face of hitting turn to vertical direction and can from the embrasure it was observed that when, shooting face place plane is with described positioned at middle cavity
Body attraction part vertically radially is coplanar.
Further, on any radial section of the hollow cavity, arbitrary neighborhood repulsion magnet cuts with attraction part
Face center respectively with the axial connecting line of hollow cavity after, between two lines the number of degrees of angle be equal to α half.
Further, the attraction part is iron core.
Further, the repulsion magnet and attraction part are respectively bars, and the repulsion magnet and attraction part are extremely
Rare end face exposes to the inner face of the outer ring seat;
Projection is provided near the position of its end in the rotating shaft, the rotating shaft two ends are equipped with projection, and convex described in two
Maximum distance between block is less than the minimum distance described in two between outer ring seat;The lateral wall of the projection and the shaft axis
Between beeline more than the hollow cavity inside radius, the rotating magnet is fixed on the projection, the rotation magnetic
At least one end face of body exposes to the side of the projection, and the side is the projection relative to the outer ring seat inner face
A side.
Further, the repulsion magnet and attraction part are built in the outer shroud along the axis direction of the hollow cavity
The inside of seat.
Further, projection described in two is symmetricly set in the rotating shaft, and rotating magnet described in two is separately positioned on described
In projection, and the symmetrical centre of rotating magnet described in two falls on the axis of the rotating shaft.
Further, the even number target piece composition radial direction target piece group of two and the above, in the radial direction target piece group, each institute
State that target piece is radial to be evenly distributed on the same radial section of the rotating shaft, one group of the above radial direction target piece group is along described
The axis direction of rotating shaft is equidistant to be arranged in the rotating shaft.
Further, the rotating shaft is spliced by some connecting rods;
The connecting rod be hollow rods, its end be by the alternate city wall shape structure for constituting of recess and convex portion, it is described convex
Portion can be engaged in the recess.
Further, the fix bar for being detachably fixed target piece, two institutes are provided with along the axis direction perpendicular to the connecting rod
State fix bar to be disposed thereon as symmetry axis with the axis of the connecting rod.
Further, in the target case, the width of its upper side is less than the width of downside;Embrasure place plane
It is downward-sloping.
The beneficial effects of the present invention is sustained fire is realized, it is easy to use;Rotating shaft, target piece and positioning component are arranged on
In target case, shoot the residual shell for producing and fall directly in casing, be easy to centralized recovery;And in the present embodiment, target case is box-type knot
Structure, left and right side, front and back sides not at grade, and are the relation being parallel to each other between left surface and right flank, left,
It is mutually orthogonal relationship between right flank and forward and backward side.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
A kind of roller firing target box, including target case 1;Rotating shaft 2, target piece 3, rotation seat 4, rotation are provided with the target case 1
Magnet 5, repulsion magnet 6 and attraction part 7, the leading flank of the target case 1 is provided with the embrasure in the shooting face that can expose the target piece 3
11;
The rotation seat 4 is two, is relatively fixed the left and right medial surface in the target case 1 by its bottom face 401 respectively
On, the rotation seat 4 is made up of columned hollow cavity 41 and outer ring seat 42,402 points relative of inner face of the rotation seat 4
It is not recessed to form hollow cavity 41 described in two to the direction near respective bottom face 401, the two ends of the rotating shaft 2 are rotatable respectively
Be arranged in hollow cavity 41 described in two;On the straight line that the axis of the rotating shaft 2 is located, on hollow cavity 41 described in two most
The length of the distance between left end and low order end more than the rotating shaft 2;
Some target pieces 3 are radially fixed on the rotating shaft 2 along the axis direction perpendicular to the rotating shaft 2, and appoint
The angle number of degrees between the shooting face place plane of meaning adjacent target piece 3 are equal, are α;The rotating magnet 42 is fixed on described
One end of rotating shaft 2, on the rotation seat 6 being equipped with the end rotating shaft 2, some repulsion magnets 43 and attraction part 7 are consolidated
It is scheduled on the outer ring seat 42;
Some the repulsion magnets 6 and attraction part 7 are laid around the hollow cavity 41, and in the hollow cavity 41
Any radial section on, arbitrary neighborhood attract part 7 kernel of section respectively with the axial connecting line of hollow cavity 41 after, two lines
Between the number of degrees of angle be α, be equipped with the repulsion magnet 6 between the adjacent attraction part 7;The rotating magnet 5 with extremely
The shooting face of a few target piece 3 is coplanar, at least one described vertical radial direction for attracting part 7 to be located at the hollow cavity 41
On, the shooting face of the target piece 3 turn to vertical direction and can from the embrasure 11 it was observed that when, the shooting face is located flat
Face is coplanar with the attraction part 7 positioned at hollow cavity 41 vertically radially.
As shown in Figure 1, Figure 2 and Figure 3, the rotating magnet 5 is fixed on one end of the rotating shaft 2, and the rotating shaft 2 is rotated
When, contact with the repulsion magnet 6 and the attraction part 7 successively with the rotating magnet 5:In the present embodiment, the repulsion
Magnet 6 and attraction part 7 are respectively bars, and at least end face of the repulsion magnet 6 and attraction part 7 is exposed to outside described
The medial surface of ring seat 42;
Projection 8, the lateral wall of the projection 8 and the axis of the rotating shaft 2 are provided with the rotating shaft 2 near the position of its end
Between beeline more than the hollow cavity 41 inside radius, the rotating magnet 5 is fixed on the projection 8, described turn
At least one end face of dynamic magnet 5 exposes to the side of the projection 8, and the side is the projection 8 relative to the outer shroud
One side of 42 inner faces of seat;
During one end insertion hollow cavity 41 of rotating shaft 2, insertable distance terminates at the side with projection 8, rotating magnet 5
The side exposed on this end face, when rotating shaft 2 is rotated, the end face of the rotating magnet 5 for exposing and the repulsion magnet 6 and attracts
The side that part 7 is exposed on the inner face of outer ring seat 42 contacts successively;
When contacting with each other, produce between rotating magnet 5 and repulsion magnet 6 and allow the repulsive force for being disengaged from contacting, in the row
In the presence of repulsion, rotating shaft 2 is overall to the lateral movement a small distance away from repulsion magnet 6;Rotating magnet 5 and attraction part 7
Between produce and allow the attraction being adjacent to each other, in the presence of the attraction, rotating shaft 2 is overall near attracting the one of part 7
After lateral movement a small distance so that rotating shaft 2 stops at the position and stops operating.
As shown in figure 3, in the present embodiment, the repulsion magnet 6 and the attraction part 7 are arranged in outer ring seat 42, with
Only pass through end contact between rotating magnet 5, it is to avoid between magnetic force produce excessive magnetic action, to using and pacify
Dress is made troubles;
Rotating magnet 5 is arranged in projection 8, and the two ends of rotating shaft 2 are equipped with projection 8, the lateral wall of projection 8 with described turn
Inside radius of the beeline between the axis of axle 2 more than the hollow cavity 41, it is therefore prevented that when axially movable, the two of rotating shaft 2
End abjection from hollow cavity 41, improves the stability of device;
Can be the opposite polarity magnet of contact jaw with the attraction part 7 that rotating magnet 5 produces adelphotaxy, also may be used
To be the iron core with soft magnetism, and magnet is relatively costly, so preferred version is iron core, while reduces cost, improves peace
Dress efficiency, it is ensured that the performance of its performance.
The rotating magnet 5 is coplanar with the shooting face of target piece 3 described at least one, at least one described attraction part 7
In the hollow cavity 41 vertically radially, the shooting face of the target piece 3 turns to vertical direction and can be from the embrasure
11 when observing, shooting face place plane is coplanar with the attraction part 7 positioned at hollow cavity 41 vertically radially, i.e. institute
State must have in rotating shaft 2 a target piece 3 all the time can from the embrasure 11 observe.
Before not shooting, target piece 3 is due to rotary magnet 42 and attracts the attraction between part 7, is positioned at its settling position;
By embrasure 11 shoot rotating shaft 2 on target piece 3, in the presence of bullet forward impulsive force, target piece 3 from stable position backward
Side's deflection, and drive rotating shaft 2 to rotate, rotating shaft 2 drives the rotating magnet 5 to rotate together simultaneously;
When rotating shaft 2 rotates the half of the α number of degrees, the rotating magnet 5 is contacted with the repulsion magnet 6, produces repulsive force,
In this repulsive force, in the presence of the repulsive force, rotating shaft 2 is overall to the lateral movement a small distance away from repulsion magnet 6, then
In the presence of rotatory inertia before, the rotating shaft 2 continues to rotate;
When rotating shaft 2 is rotated further the half of the α number of degrees, the rotating magnet 5 contacts and produces attraction with the attraction part 7
Power so that rotating shaft 2 is stablized, then rotating shaft 2 is α degree by the angle that the next settling position of settling position arrival at the beginning is turned over
Number, and in settling position at the beginning, the shooting face of target piece 3 is right against the position of the embrasure 11, according to this technology side
In case, arranging rule of each target piece 3 in rotating shaft 2, when the rotation alpha number of degrees of rotating shaft 2 are stable, with the phase of target piece 3 for being set shooting before
The position that shooting face is right against the embrasure 11 is now exactly in every the target piece 3 of the α number of degrees, you can carry out next shooting;Quilt
Target piece 3 after shooting is rotated automatically reverts to the position that can be shot, easy to use to realize sustained fire.
Rotating shaft 2, target piece 3 and positioning component are arranged in target case 1, the residual shell for producing are shot and is fallen directly in casing, just
In centralized recovery;And in the present embodiment, target case 1 be box typed structure, left and right side, front and back sides not at grade,
And between left surface and right flank be the relation that is parallel to each other, it is orthogonal pass between left and right side and forward and backward side
System.
On any radial section of the hollow cavity 61, in the section of arbitrary neighborhood repulsion magnet 43 and attraction part 44
The heart respectively with the axial connecting line of hollow cavity 61 after, between two lines the number of degrees of angle be equal to α half.
From the angle of stress balance, it is ensured that the steady and continuous of rotating shaft 2 are rotated.
The attraction part 7 is iron core.
The repulsion magnet 6 and attraction part 7 are respectively bars, and the repulsion magnet 6 and at least the one of attraction part 7
End face exposes to the inner face of the outer ring seat 42;
Projection 8 is provided near the position of its end in the rotating shaft 2, the two ends of the rotating shaft 2 are equipped with projection 8, and two institutes
The maximum distance between projection 8 is stated less than the minimum distance described in two between outer ring seat 42;The lateral wall of the projection 8 with it is described
Beeline between the axis of rotating shaft 2 is more than the inside radius of the hollow cavity 41, and the rotating magnet 5 is fixed on the projection
8, at least one end face of the rotating magnet 5 exposes to the side of the projection 8, and the side be the projection 8 relative to
One side of the inner face of outer ring seat 42.
As shown in Figures 4 and 5, the end of the repulsion magnet 6 and attraction part 7 exposes to the end face of the outer ring seat 42,
The end of the rotating magnet 5 exposes to the end face of the projection 8, wherein, the one end relative with rotating magnet 5 of repulsion magnet 6
For the respective one end of both magnetic identicals, according to the magnetic principles that the same sex is repelled each other, when rotating shaft 2 drives the rotating magnet 5 to rotate,
When the end face that rotating magnet 5 exposes is contacted with repulsion magnet 6, both simultaneously repulsive forces fitted each other hindered, at this
In the presence of repulsive force, the rotating shaft 2 is moved along the direction away from the end rotation seat 4, one end of rotating shaft 2 somewhat depart from cavity
The restriction of body 41, in the presence of rotation inertia force, continues to rotate;The end face exposed until rotating magnet 5 with attract the outer of part 7
After the end contact of dew, both adsorb, and the position of rotating shaft 2 is stablized, and the target piece 3 in rotating shaft 2 is right against embrasure 11, to enter
Row shooting.
The repulsion magnet 6 and attraction part 7 are built in the outer ring seat 42 along the axis direction of the hollow cavity 41
Inside.
The repulsion magnet 6 and attraction part 7 of strip is built in hollow cavity 41, and rotating magnet 5 is built in projection 8, three
Main element does not expose, it is to avoid three abrasion in use, on the other hand, three main elements each other every
From interference complimentary to one another, it is ensured that the steady running of rotating shaft 2.
Projection 8 is symmetricly set in the rotating shaft 2 described in two, and rotating magnet 5 is separately positioned on the projection 8 described in two
It is interior, and the symmetrical centre of rotating magnet 5 falls on the axis of the rotating shaft 2 described in two.
Repulsive force, two attractions are produced simultaneously with repulsion magnet 6 described in two by two rotating magnets 4
Rotating magnet 5 described in part 7 and two produces attraction simultaneously, improves stability when rotating shaft 2 is rotated and position, promotion target piece 3 and
When playback, it is easy to use.
Two and the composition radial direction target piece group of even number target piece 3 of the above, in the radial direction target piece group, each target piece 3
Radial to be evenly distributed on the same radial section of the rotating shaft 2, one group of the above radial direction target piece group is along the rotating shaft 2
Axis direction equidistant be arranged in the rotating shaft 2.
In rotating shaft 2 arrange N group radial direction target piece groups, radial direction target piece group hit piece 3 quantity be N, accordingly, it is desirable to while
N group repulsion magnet 6 is set in rotating shaft 2 and attracts part 7.
The rotating shaft 2 is spliced by some connecting rods 21;
The connecting rod 21 is hollow rods, and its end is by the alternate city wall shape knot for constituting of recess 210 and convex portion 211
Structure, the convex portion 211 can be engaged in the recess 210.
As shown in fig. 6, need to only produce the connecting rod 21 of same specification, cost is greatly reduced;During splicing, by two
One end that connecting rod 21 can be mutually clamped is relative, then exerts oneself that convex portion 211 is engaged in recess 210, according to specific long
Degree demand, the corresponding connecting rod 21 of splicing quantity is easy to operate.
The fix bar 212 for being detachably fixed target piece 2 is provided with along the axis direction perpendicular to the connecting rod 21, it is solid described in two
Fixed pole 212 is disposed thereon with the axis of the connecting rod 21 as symmetry axis.
Target piece 3 is removably secured by fix bar 212, convenient to change in time during shooting game, the target piece of damage
3, improve the repeatable utilization rate of apparatus main body.
In the target case 1, the width of its upper side is less than the width of downside;The place plane of the embrasure 11 dips down
Tiltedly;Increase the available area of target case 1, convenient shooting.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.