TWI804799B - Crossbow trigger and safety push rod labor-saving device - Google Patents

Abstract

The invention discloses a labor-saving device for a crossbow trigger and a safety push rod, which includes a crossbow trigger box, a safety part, a linking part, a trigger part and a wire catcher. The crossbow box has a combined half shell and a shell cover. The safety part is accommodated in the first slide groove of the half shell. The linking piece is accommodated in the second chute of the half shell. The triggering part is pivotally arranged on the pulling pivot of the half shell, and one end is connected with the linking part. The thread hooker is pivotally arranged on the thread hook pivot of the half shell. The same end of the first and second elastic parts abuts against the half-shell, and the other end respectively abuts against the hooker and the pulling part. Aforesaid is the firing mechanism of bow and arrow of prior art. It is characterized in that a first force-receiving piece is arranged on the trigger pivot, and is clamped on one side of the trigger to move with it and bear the force of the thread catcher. With the composition of the above-mentioned components, the first force-receiving piece bears the force of the thread catcher, preventing the interlocking piece connected with the trigger piece from interfering with the action of the safety piece.

Description

Crossbow trigger and safety push rod labor-saving device

The invention belongs to the technical field related to sports equipment, in particular to a labor-saving device for a crossbow trigger and a safety push rod.

Press, the crossbow firing mechanism of prior art, as shown in Fig. 6, 7, generally comprises a crossbow box 10, a safety part 20, a linking part 30, a pulling part 40, a hook wire device 50, at least one The first elastic piece 62, a second elastic piece 64 and other components.

The above-mentioned crossbow box 10 includes a combined half shell 12 and a shell cover 14 . The half shell 12 is respectively formed with a first chute 121, a second chute 122, a pulling pivot 123, and a line-drawing pivot 124 at preset positions; wherein, the first and second chute 121, 122 communicate with each other.

The safety element 20 is slidably accommodated in the first sliding groove 121 .

The linkage 30 is slidably accommodated in the second sliding slot 122 .

The above-mentioned pulling member 40 is pivotally arranged on the pulling pivot 123, and has a contact portion 41, a pivot joint portion 42 extending downward from the contact portion 41, and a protruding joint protruding from one side of the pivot joint portion 42. Section 43.

One end of the aforesaid contacting portion 41 is connected with the linking member 30 , and selectively makes the linking member 30 protrude into or withdraw from the first sliding groove 121 .

The thread catcher 50 is pivotally arranged on the thread catch pivot 124 , and selectively interacts with the end of the triggering member 40 away from the linking member 30 . .

The above-mentioned first elastic member 62 is pivotally arranged on the hook line pivot 124 and the half The housing 12 and the thread catcher 50 abut against each other, and the thread catcher 50 is normally pushed to move toward the pulling member 40 .

The above-mentioned second elastic member 64 abuts against the half-shell 12 at one end and abuts against the trigger member 40 at the other end, and can be sheathed corresponding to the protruding portion 43 . In the normal state, the ejection trigger 40 and the linkage 30 withdraw from the first chute 121 .

With the composition of the above components, when the bowstring 70 is pulled into the crossbow box 10, it will interact with the upper section of the wire catcher 50 to be constrained. The lower section of the thread catcher 50 transmits the force of the bowstring 70 to the triggering member 40 , so that the linking member 30 connected with the triggering member 40 moves toward the first chute 121 .

When the safety part 30 is pushed to move along the first sliding slot 121 to correspond to the second sliding slot 122 , it will block the movement of the linking part 30 and achieve a locked state. Conversely, if the safety element 30 is moved out of the second sliding slot 122, the unlocked state can be achieved.

Although the structure of the above-mentioned prior art can achieve the benefits of locking and unlocking to ensure the safety of the bow, but due to the interlocking relationship when locking, the interlocking part 30 will push against one end of the safety part 20, so that this end faces the groove of the first chute 121 The abutment of the walls will increase the frictional force when the safety element 20 moves.

Furthermore, the two ends of the extension direction of the safety part 20 will form a high and a low movement along the first chute 121, which will increase the resistance of the safety part 20 during the toggle process, and also cause the safety part 20 to be difficult to move.

In view of the above-mentioned problems and deficiencies in the prior art, an object of the present invention is to provide a labor-saving structure for the crossbow trigger and safety push rod through structural innovation, so as to overcome the deficiencies in the prior art.

According to the above-mentioned purpose of the present invention, the present invention proposes a crossbow trigger and a safety push rod labor-saving device, which includes a crossbow box, a safety part, a connecting part, a A wrench and a wire catcher. The crossbow box has a combined half shell and a shell cover. The safety part is accommodated in the first slide groove of the half shell. The linking piece is accommodated in the second chute of the half shell. The triggering part is pivotally arranged on the pulling pivot of the half shell, and one end is connected with the linking part. The thread hooker is pivotally arranged on the thread hook pivot of the half shell. The same end of the first and second elastic parts abuts against the half-shell, and the other end respectively abuts against the hooker and the pulling part. Aforesaid is the firing mechanism of bow and arrow of prior art. It is characterized in that a first force-receiving piece is arranged on the trigger pivot, and is clamped on one side of the trigger to move with it and bear the force of the thread catcher. With the composition of the above-mentioned components, the first force-receiving piece bears the force of the thread catcher, preventing the interlocking piece connected with the trigger piece from interfering with the action of the safety piece.

10: Ballista box

12: half shell

14: shell cover

121: The first chute

122: Second chute

123: Flip Pivot

124: hook line pivot

20: Insurance

30: Linkage

40: Wrench

41: Arrival Department

42: pivot joint

43: convex joint

50: Hooker

62: The first elastic member

64: Second elastic member

70: bowstring

80: The first force sheet

82:Clamping Department

822: cylinder

84: The first load-bearing part

90: The second force plate

92: The second force receiving part

[Fig. 1] is an exploded schematic diagram of partial components of the embodiment of the present invention.

[Fig. 2] is an exploded schematic view of the embodiment shown in Fig. 1.

[Fig. 3] is an exploded schematic view of the partial components of the embodiment shown in Fig. 2.

[Fig. 4] is a schematic cross-sectional view of the action of the embodiment of the present invention.

[Fig. 5] is a partial schematic view of the embodiment shown in Fig. 4.

[Fig. 6] is a schematic diagram of the appearance of the crossbow firing mechanism of the prior art.

[Fig. 7] is a schematic cross-sectional view of the partial components of the embodiment shown in Fig. 6.

Please refer to the relevant drawings to further illustrate the embodiment of the labor-saving device for the crossbow trigger and safety push rod of the present invention. Various objects in the embodiments are drawn according to the proportions, sizes, deformations or displacements applicable to the description, rather than drawn according to the scale of the actual components, and are described first. And the elements with the same and symmetrical configurations in the remaining embodiments are denoted by the same numbers. In addition, directional terms such as "front, back, left, right, up, down, inside, outside" in the descriptions of the embodiments listed below are expressed according to the specified viewing direction, It should not be construed as a limitation of the invention.

Please refer to Figures 1 to 5, the crossbow trigger and safety push rod labor-saving device of the present invention include a crossbow box 10, a safety part 20, a linking part 30, a pulling part 40, and a hook 50. At least one first elastic piece 62, one second elastic piece 64 and other components.

The above-mentioned crossbow box 10 includes a combined half shell 12 and a shell cover 14 . The half shell 12 is respectively formed with a first chute 121 , a second chute 122 , a pulling pivot 123 , and a line-drawing pivot 124 at a predetermined position; wherein, the first and second chute 121 , 122 communicate with each other.

The above-mentioned safety element 20 is slidably accommodated in the first chute 121 , and selectively adjusts the connecting cross section of the first and second chute 121 , 122 .

The linkage 30 is slidably accommodated in the second sliding slot 122 , and selectively protrudes to the first sliding slot 121 .

The above-mentioned pulling member 40 is pivotally arranged on the pulling pivot 123, and has a contact portion 41, a pivot joint portion 42 extending downward from the contact portion 41, and a protruding joint protruding from one side of the pivot joint portion 42. Section 43.

One end of the aforesaid contacting portion 41 is connected with the linkage member 30 so as to selectively make the linkage member 30 protrude into or withdraw from the first chute 121 .

The thread catcher 50 is pivotally arranged on the thread catch pivot 124 .

The above-mentioned first elastic member 62 is pivotally arranged on the wire hook pivot 124 to abut against the half-shell 12 and the wire hook 50 respectively, and the wire hook 50 is normally pushed to move toward the pulling member 40 .

The above-mentioned second elastic member 64 abuts against the half-shell 12 at one end and abuts against the trigger member 40 at the other end, and can be sheathed corresponding to the protruding portion 43 . In the normal state, the ejection trigger 40 and the linkage 30 withdraw from the first chute 121 .

This is the bow and arrow firing mechanism of the previous technology, and will not be described in detail here; It is worth noting that, as shown in Figures 2 to 4, it is characterized in that: The triggering pivot 123 is further pivoted with a first force-receiving piece 80 and disposed on one side of the triggering member 40 . The first force-receiving piece 80 has a clamping portion 82 and a first force-receiving portion 84 .

The above-mentioned clamping portion 82 is protrudingly arranged on the end surface of one side of the first force-receiving piece 80 , and forms a clamping movement with the upper and lower ends of the contact portion 41 of the pulling member 40 . In practice, the clamping portion 82 can be a cylinder 822 or other convex contours equivalent to the clamping portion 41 .

The aforementioned first force-receiving portion 84 is formed at one end of the first force-receiving piece 80 , and the contour of the first force-receiving portion 84 protrudes from the end of the contact portion 41 facing the thread catcher 50 , and is selectively connected with the thread catcher 50 Abutting (different from the prior art in that the abutting portion 41 abuts against the thread catcher 50 ).

Therefore, the above is an introduction to the components and assembly methods of a preferred embodiment of the crossbow trigger and safety push rod labor-saving device provided by the present invention, and the operating features of the embodiment of the present invention are introduced as follows.

As shown in Figures 4 and 5, when the bowstring 70 pushes against the upper end of the thread catcher 50 due to winding, the lower section of the linked thread catcher 50 moves toward the trigger member 40, and pushes against the first force of the first force bearing piece 80. part 84 (not in contact with the puller 40), and the first force-receiving piece 80 is pivotally arranged on the puller pivot 123 of the half-shell 12, so the force of the lower section of the thread catcher 50 will not act on the puller 40.

In this way, the triggering member 40 will not push the safety member 20, which overcomes the lack of the structure of the prior art and allows the safety member 20 to slide smoothly in the first slide groove 121, which is convenient for the user to move and slide smoothly.

Please refer to Figures 2 to 4, on the other side of the triggering member 40 away from the first force-receiving piece 80, corresponding to the free end of the clamping portion 82 of the first force-receiving piece 80, a second force-bearing is further provided. 90 pieces.

The above-mentioned second force-bearing sheet 90 has a symmetrical first force-bearing sheet 80 whose first A force-receiving portion 84 forms a second force-receiving portion 92 , and selectively abuts against the hook 50 together with the first force-receiving portion 84 .

The above description is only a preferred embodiment of the present invention, and is intended to clarify the characteristics of the present invention, and is not intended to limit the scope of the embodiments of the present invention. Those of ordinary skill in the art will make equivalent changes according to the present invention. , and changes well known to those skilled in the art should still fall within the scope of the present invention.

40: Wrench

41: Arrival Department

42: pivot joint

43: convex joint

80: The first force sheet

82:Clamping Department

822: cylinder

84: The first load-bearing part

90: The second force plate

92: The second force receiving part

Claims (4)

A labor-saving device for a crossbow trigger and safety push rod, which includes: a crossbow box, including a combined half shell and a shell cover; the half shell has a first chute, a second chute, A pulling pivot, and a line hooking pivot, wherein the first chute communicates with the second chute; a safety element is slidably accommodated in the first chute, selectively adjusting the first chute The cross section of the chute and the second chute; a linking member, which is slidably accommodated in the second chute, and selectively protrudes to the first chute; a trigger member, which is pivotally arranged on the Pull the pivot shaft, which has a contact portion connected with the linkage member, and a pivot joint portion extending downward from the contact portion; a thread catcher, which is pivotally arranged on the thread hook pivot shaft; a first elastic member , which is pivotally arranged on the wire hooking pivot and abuts against the half-shell and the wire hook respectively; a second elastic member, one end of which abuts against the half-shell and the other end abuts against the pulling member; it is characterized in that: The pulling pivot is pivotally provided with a first force-receiving piece, which is arranged on one side of the pulling member and moves with it, and has a clamping portion and a first force-receiving portion; the clamping portion is protrudingly arranged on the end surface of one side of the force-receiving piece, and clamp the upper and lower ends of the abutting part to move with it; The abutting portion faces the outer peripheral side of an end profile of the thread catcher, and selectively abuts against the thread catcher. According to claim 1, the crossbow trigger and safety push rod labor-saving device, wherein the free end of the clamping part is further provided with a second force-receiving piece. According to claim 2, the crossbow trigger and safety push rod labor-saving device, wherein the second force-receiving piece has a second force-receiving part formed symmetrically to the outline of the first force-receiving part. According to claim 1, the crossbow trigger and safety push rod labor-saving device, wherein the trigger member forms a convex part from one side of the pivot part, and provides one end of the second elastic member to be sheathed.

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