JP4036743B2 - Target structure for Archery Biathlon - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a target structure for archery biathlon (particularly a drop-down target).
[0002]
[Prior art]
As a conventional archery target, there is one in which a mat body having a multilayer structure including a plurality of heel layers, a front sheet, and a back sheet are sewn together with a binding thread (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
JP-A-9-318297 [0004]
[Problems to be solved by the invention]
In archery biathlon competitions on snow, when an arrow hits, the target must fall backwards and the arrow, target and equipment must not be damaged. However, the conventional archery target mat body described above has an arrow that pierces, and does not have a structure in which the target falls backward when the arrow hits.
[0005]
Therefore, conventionally, a target is attached to a wooden arm that swings back and forth so that when the arrow hits the front of the target and a force of a certain level or more is applied, the target tilts backward, and tilts slightly forward from the vertical. And the thing of the structure which hits a fixed frame and keeps is used. However, when the wind is strong, there is a drawback that the target unexpectedly falls backward, and there is a disadvantage that it is not completely vertical.
[0006]
[Means for Solving the Problems]
Structure for archery biathlon according to the present invention, the holding means for holding freely switching archery biathlon for specific panel in the vertical upright state and a backward fall state to the solid Jodai, comprising, said retaining means, the manner A slide bar horizontally extending rearward from the back surface of the board, a bearing for holding the slide bar so as to be slidable in the axial direction, a spring for elastically biasing the slide bar forward, and a vertically standing state The swinging arm is provided with the bearing at the upper end and the lower end is pivotally attached to the fixed base so as to be swingable back and forth, and the swinging arm is pivotally connected to a part of the swinging arm to contact the fixed base. A stopper piece that abuts against the arm and prevents the swinging arm from swinging, and detects that the arrow hits the target board and the slide bar slides backward, and swings the stopper piece to contact the And a sensing mechanism for separating from the part .
[0007]
In addition, the sensing mechanism is formed integrally with the stopper piece and has a sensing arm having a cam receiving gradient portion, and when the arrow hits the target board and receives an external force to move the slide bar to the horizontal rear by a predetermined distance. And a cam pin attached to the slide rod side so as to abut against the slope portion. Furthermore, a plurality of target boards are provided on one fixed base, and provided with restoration means for restoring each of the target boards in a backward-turned state to a vertical standing state at the same time. Each having a contact pin that contacts the bent portion of each stopper piece and the sensing arm, and the plurality of target boards are simultaneously restored to a vertically upright state, each of which has one shaft It is also preferable that it is fixed to.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on the drawings shown in the embodiments.
[0009]
1, 2 and 3 are side views showing an embodiment of the target structure for the archery biathlon of the present invention. Archery Biathlon is a competition that takes place at snowy mountains, ski resorts, etc., and hits an arrow and falls. This target includes an archery biathlon target board 1, a fixed base 22, and holding means K that holds the target board 1 on the fixed base 22 so as to be switchable between a vertical standing state and a rearward falling state .
[0010]
In FIG. 1, the target structure for the archery biathlon is the archery biathlon target board 1, the fixed base 22, and the target board 1 is held on the fixed base 22 so as to be switchable between a vertical standing state and a rearward fall state. and holding means K for, that features. The target board 1 is composed of a circular display board 2 and a back board 37 made of wood, steel plate, stainless steel, or resin, which is attached to the display board 2 integrally. The display board 2 is made of rubber or the like having corrosion resistance without damaging the tip of the arrow 7 that hits from the front. In addition to the illustrated embodiment, the target board 1 has a white rubber cap member fixed to the tip of the slide bar 3 and a black having a through hole into which the tip of the white rubber cap is inserted and fixed. It is also preferable to configure with a rubber disc (representing disc 2), and in particular, a white circle is exposed at the center of the target surface—the so-called spot—and is suitable as the target disc 1 ( (Not shown).
[0011]
The fixed base 22 is attached to the cushion member 31 made of rubber or the like for absorbing comprises a guard plate 19 prior to protect the arrows 7 does not hit the holding means K, the impact of the fall of the holding means K for a backward fall is doing. The cushion material 31 can be freely attached at other positions. For example, the rear lower end of the sensing arm 24 is extended to be a contacted portion, and the cushion material 31 is arranged at the bottom with the front guard plate 19 in FIG. A structure in which the lower half of the stopper plate 23 is cut out may be provided at a corner position with respect to the wall.
[0012]
Furthermore, the holding means K includes a slide bar 3 extending rearward from the back surface 6 of the back board 37 of the target board 1, a bearing 4 for holding the slide bar 3 so as to be slidable in the axial direction, and a slide. A spring 11 for elastically urging the rod 3 forward and a swing arm 13 having a bearing 4 attached to the upper end in a vertically standing state and pivotally attached to the fixed base 22 so that the lower end side can swing back and forth.
[0013]
The slide bar 3 has a round bar shape or a cylindrical shape, and the bearings 4 that are inserted and held by the slide bar 3 (two are arranged in FIGS. 1 to 3) are made of a material having a small frictional resistance. The swing arm 13 is a thin plate-like member extending in the longitudinal direction from the upper part to the lower part, and a fixing tool 5 to which the bearing 4 is attached is screwed to the upper end side with bolts, nuts, screws or the like. The lower end side of the swing arm 13 is pivotally mounted so as to be able to swing back and forth with a fixed plate 18 attached to the rear surface of the front guard plate 19 of the fixed base 22 and a pivot shaft 25.
[0014]
Furthermore, the holding means K includes a thin plate-like stopper piece 14. The upper end side of the stopper piece 14 is pivotally connected to a part near the upper and lower middle portions of the swing arm 13 by a pivot shaft 15 so as to be swingable. Further, the lower end side comes into contact with the contact portion 17 of the stopper plate 23 attached to the fixed base 22 to prevent the swing arm 13 from swinging .
[0015]
Further, the holding means K has a sensing mechanism R that causes the arrow 1 to hit the target board 1 to receive the external force F and move rearward horizontally to disengage the stopper piece 14 from the contact portion 17 . That is, the sensing mechanism R is formed integrally with the stopper piece 14 above the pivot shaft 25 and has a sensing arm 24 having a cam receiving gradient portion 9 and an arrow 7 against the target board 1 and an external force. And a cam pin 21 attached to the side of the slide bar 3 so as to come into contact with the gradient portion 9 when the slide bar 3 is moved a predetermined distance L toward the rear in the horizontal direction. The upper end side 30 of the sensing arm 24 is formed to be behind the lower end side 20 of the stopper piece 14.
[0016]
4 and 5 are enlarged side views of the main part of the sensing mechanism R, and FIG. 6 is a cross-sectional view taken along the line AA of FIG. On the upper end side 30 of the sensing arm 24, an opening 10 having a cam receiving gradient portion 9 in part is formed. The upper portion of the rod auxiliary tool 8 is fixed to the rear portion of the slide rod 3, and the lower portion sandwiches a short cylindrical cam pin 21 inserted into the opening 10 of the sensing arm 24 as shown in FIG. The cam pin 21 is rotatably held with bolts, nuts and screws.
[0017]
Here, as shown in FIG. 1, the spring 11 constituting the holding means K connects the fixture 5 that holds the bearing 4 and the rod auxiliary tool 8 attached to the slide rod 3. 3 is pushed forward. In addition, another spring 12 connects the swing arm 13 and the sensing arm 24. In the state shown in FIG. 1, the spring 12 elastically biases the sensing arm 24 forward, so that a minute amount is obtained. Even when an external force is applied to the sensing arm 24, the stopper piece 14 is not detached from the contact portion 17 . When the arrow 7 hits the target board 1 and enters the state shown in FIG. 2, the cam pin 21 comes into contact with the slope portion 9, so that the spring 12 urges the slide rod 3 forward together with the spring 11.
[0018]
As shown in FIGS. 7, 8, and 9 , the front end portion of the stopper plate 23 attached to the bottom wall portion of the fixing base 22 or the back surface of the front guard 19 corresponds to the contact portion 17. On the lower end side 20 of the stopper piece 14, a locking portion 16 that contacts the contact portion 17 of the stopper plate 23 is formed. As shown in FIG. 7, the load of the target board 1 and the holding means K acts in the locking direction 26 at the contact portion between the locking part 16 and the contact part 17, and the target board 1 is held in the vertical standing state. . As shown in FIGS. 7 to 9, when a notch 38 having a rear notch shape is formed on the lower end side 20 and the notch 38 is brought into contact with the stopper plate 23, the target board 1 moves forward from the vertical standing state. Will not fall down and this state will be maintained.
[0019]
Since the target structure for the archery biathlon of the present invention is used outdoors such as a snowy mountain or a ski resort as described above, it is made of a material having corrosion resistance. That is, the slide bar 3, the swing arm 13, the stopper piece 14, the sensing arm 24, and the fixing base 22 are made of stainless steel, resin, wood, or the like, and the springs 11 and 12 are made of a material having corrosion resistance such as stainless steel.
[0020]
FIG. 10 is a side view for explaining the structure for restoring the target board 1 in the backward fall state. A plurality of target boards 1... Are provided on one fixed base 22 and provided with restoring means 32 for restoring each of the target boards 1 in the rearward fall state to the vertical standing state at the same time. That is, a target structure for an archery biathlon in which a plurality of target boards 1... Are provided on one fixed base 22, and when the target board 1 is in a backward fall state, the stopper piece 14 and the sensing arm 24 are integrated. It has a contact pin 34 that contacts the curved portion 33 formed on the member, and includes a plurality of target plates 1 that simultaneously restore the plurality of target boards 1 to a vertical standing state. Inserted into 36 and fixed.
[0021]
As shown in FIG. 2, when an arrow 7 hits the target board 1 in the vertical standing state of the two-dot chain line, an external force F is received, and the target board 1 and the slide bar 3 move horizontally while being guided by the bearing 4. . At this time, the cam pin 21 of the rod assisting tool 8 moves from the bottom of the opening 10 of the sensing arm 24 (as shown in FIG. 4) to the backward direction 28 in sliding contact with the cam receiving gradient portion 9 (as shown in FIG. 5). Then, the sensing arm 24 is lowered in the downward direction 29.
[0022]
When the movement in the backward direction 28 exceeds the predetermined distance L, the sensing arm 24 is lowered in the downward direction 29, and swings around the pivot shaft 15 (in FIG. 2), and stops as shown in FIG. The piece 14 moves from the contact portion 17 of the stopper plate 23 in the separation direction 27. Then, as shown in FIG. 9, the stopper piece 14 is detached from the contact portion 17 of the stopper plate 23, and the swing arm 13 holding the target board 1 and the slide bar 3 is pivotally supported as shown in FIG. It will be in the state of having fallen backward centering on the axis | shaft 25. FIG. At this time, the holding means K is, therefore falls onto the cushion material 31 which is attached to the bottom of the fixed base 22, prevent damage to the holding unit K.
[0023]
If the movement in the backward direction 28 is within the predetermined distance L, the cam pin 21 returns to the state shown in FIG. 4 due to the urging force of the springs 11 and 12, and the stopper piece 14 and the contact portion 17 are as shown in FIG. The target board 1, slide bar 3, bar auxiliary tool 8 and the like return to the state shown in FIG. The springs 11 and 12 have a resilient force that can move a predetermined distance L in the backward direction 28 when the lower part of the target board 1 receives an external force F of about 1.1 kg. This corresponds to the external force when the 18 g arrow 7 hits the target board 1 at a speed of about 130 km per unit time.
[0024]
The sensing mechanism R can be freely changed in design other than the structure provided with the sensing arm 24 described above, and is one push-pull that can contact the rear of the slide bar 3 and the lower end side 20 of the stopper piece 14 respectively. A wire may be provided on the swing arm 13. In this case, the target board 1 in the vertically standing state hits the arrow 7 from the front and receives an external force F, and the target board 1 and the slide bar 3 move horizontally by a predetermined distance L to move one end side of the push-pull wire. When pushed, the other end side of the wire pushes the lower end side 20 of the stopper piece 14 , the stopper piece 14 is detached from the contact portion 17 , and the target board 1 falls backward.
[0025]
In FIG. 10, when the shaft 36 is turned clockwise, the abutment pin 34 abuts against the concave bent portion 33 and pushes up the integral member of the stopper piece 14 and the sensing arm 24 while sliding, so that the target board 1, holding means K And the restoration rod 35 changes from a solid line state to a two-dot chain line state. A plurality of target boards 1 and a restoring bar 35 are arranged on one fixed base 22, and at the same time, the plurality of target boards 1 are restored to a vertical standing state.
[0026]
As described above, the target structure of the present invention ensures that the stopper piece 14 comes into contact with the holding means K behind the target board 1 when the arrow 7 hits the front surface of the target board 1 and receives an external force F. since the withdrawal from part 17, it is suitable for archery biathlon competition. In addition, it is easy to manufacture with a simple structure in which the vertical standing state and the backward falling state are switched by the contact / disengagement of the stopper piece 14 and the contact part 17 , but it is held by the force of the load on the target board 1 and the holding means K. It has a strong stopper function. And by this stopper function , even if the target board 1 receives pressures, such as a wind, from the front surface, it is hold | maintained at a perpendicular standing state and does not fall down.
[0027]
Further, when the arrow 7 hits the target board 1, the slide bar 3 moves rearward and absorbs the impact by the elastic force of the spring 11, thereby preventing the tip of the arrow 7 and the target board 1 from being damaged. it can.
[0028]
By the sensing mechanism R, the target board 1 can be brought into a backward fall state by utilizing the force with which the arrow 7 hits the target board 1. That is, when the slide bar 3 moves backward by a predetermined distance L, the sensing mechanism R makes the target board 1 fall backward while being a simple mechanism in which the cam pin 21 comes into contact with the cam receiving gradient portion 9. Can do. Further, the cam pin 21 and the cam receiving gradient portion 9 are provided in a part of the holding means K and are very easy to manufacture.
[0029]
The restoring means 32 restores the plurality of target boards 1 arranged in parallel to the vertical standing state from the rearward falling state after the shooting. That is, by simply turning the shaft 36 (the handle lever, etc., not shown in the figure), the plurality of target boards 1 that have fallen backward can be brought into a vertical upright state at the same time, so that the competition progresses smoothly. The operation is also easy. And it can restore | restore from a distant place with a string, a wire, etc. The bent portion 33 can be manufactured easily by cutting a part of the holding means K, and the restoration flange 35 and the shaft 36 having the abutment pins 34 can be easily manufactured and arranged.
[0030]
【The invention's effect】
The present invention has the following remarkable effects by the above-described configuration.
[0031]
(According to claim 1) When the holding means K behind the target board 1 hits the front surface of the target board 1 and receives an external force exceeding a predetermined value, the stopper piece 14 is surely brought into contact with the contact portion 17. since the withdrawal from, it is suitable for the archery biathlon competition. In addition, it is easy to manufacture with a simple structure in which the vertical standing state and the backward falling state are switched by the contact / disengagement of the stopper piece 14 and the contact part 17 , but it is held by the force of the load on the target board 1 and the holding means K. It has a strong stopper function. And even if it receives pressure, such as a wind, from the front by this stopper function , the target board 1 is hold | maintained at a perpendicular standing state, and does not fall down unexpectedly.
[0032]
Further, when the arrow 7 hits the target board 1, the slide bar 3 moves rearward and absorbs the impact by the elastic force of the spring 11 , thereby preventing the tip of the arrow 7 and the target board 1 from being damaged. it can.
[0033]
(According to claim 2,) by the sensing mechanism R, arrow 7 as possible out to ensure backwards overturning state target plate 1 by utilizing the force impinging on the target board 1. Ie, when the slide bar 3 by a predetermined distance L moved rearward, with a simple mechanism that the cam pin 21 comes into contact with the slope portion 9 for receiving cam, the sensing mechanism R is reliably backward target board 1 Can fall. Further, the cam pin 21 and the cam receiving gradient portion 9 are provided in a part of the holding means K and can be easily manufactured.
[0034]
(According to claim 3 ) The restoration means 32 restores the plurality of target boards 1... To the vertical standing state from the rearward fall state after the shooting. That is, by simply rotating the shaft 36, the plurality of target boards 1 that have fallen backward can be quickly brought into a vertical standing state at the same time, so that the game progresses smoothly and is easy to operate. And it can restore | restore from a distant place with a string, a wire, etc. The bent portion 33 can be manufactured easily by machining (cutting) a part of the holding means K, and the restoration flange 35 and the shaft 36 having the abutment pins 34 can be easily manufactured and arranged.
[Brief description of the drawings]
FIG. 1 is a side view showing an embodiment of a target for the archery biathlon of the present invention.
FIG. 2 is a side view in which an arrow hits the target board from the front and horizontally moves backward.
FIG. 3 is a side view of the target board in a state of falling backward.
4 is an enlarged side view of a main part of a sensing mechanism R. FIG.
FIG. 5 is an enlarged side view of a main part when the slide bar is horizontally moved rearward.
6 is a cross-sectional view taken along the line AA in FIG.
FIG. 7 is an enlarged side view.
FIG. 8 is an enlarged side view of a main part in which a stopper piece has moved in a disengagement direction.
FIG. 9 is an enlarged side view of a main part where a stopper piece is separated from a contact part.
FIG. 10 is an overall explanatory side view.
[Explanation of symbols]
1 Base 3 Slide rod 4 Bearing 6 Back 7 Arrow 9 Gradient part for cam receiving
11 Spring
13 Swing arm
14 Stopper piece
17 Contact part
21 Cam pin
22 Fixed base
24 Sensing arm
32 How to restore
33 Folding Club
34 Contact pin
35 Restoration
36 Axis F External force K Holding means L Predetermined distance R Sensing mechanism

Claims (3)

Archery biathlon for specific panel (1) a solid Jodai (22) in a vertical upright position and holding means for switching freely held in a backward fall state (K), comprising,
The holding means (K) includes a slide bar (3) horizontally extending rearward from the back surface (6) of the target board (1), and the slide bar (3) is slidable in the axial direction. A bearing (4) to be held, a spring ( 11 ) for elastically urging the slide bar (3) forward , and the bearing (4) is attached to the upper end in a vertically standing state, and the lower end side is the fixed base ( 22 ). the front and rear swingably pivotally mounted swing arm (13), abutment swing arm swingably pivotally connected to a part of (13) with the fixed base (22) (17) A stopper piece ( 14 ) that abuts against the swinging arm ( 13 ) and prevents the swinging arm ( 13 ) from swinging, and that the arrow (7) hits the target board (1) and the slide bar (3) slides backward. And a sensing mechanism (R) that swings the stopper piece ( 14 ) to disengage it from the contact portion ( 17 ). Target structure for Archery Biathlon. The sensing mechanism (R) is formed integrally with the stopper piece ( 14 ) and has a sensing arm ( 24 ) having a cam receiving gradient portion (9), and an arrow (7) hits the target board (1). Cam pins (3) attached to the slide rod (3) side so as to come into contact with the gradient portion (9) when the slide rod (3) receives the external force (F) and moves a predetermined distance (L) rearward horizontally. 21 ) The archery biathlon target structure according to claim 1. A plurality of target boards (1) are provided on one fixed base (22), and each of the target boards (1) in the rearward fall state is provided with restoring means (32) for simultaneously restoring the vertical standing state , The restoring means ( 32 ) has contact pins ( 34 ) that contact the respective stopper pieces ( 14 ) and the bent portions ( 33 ) of the sensing arm ( 24 ) when the target board (1) is in a backward-turning state. The said board | plate (1) is equipped with the cage | basket ( 35 ) which restores | restores a vertical standing state simultaneously , and each cage | basket ( 35 ) was fixed to one axis | shaft ( 36 ). The target structure for archery biathlon .

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