CN104534923B

CN104534923B - Extension arm type composite bow/arrow

Info

Publication number: CN104534923B
Application number: CN201410641184.XA
Authority: CN
Inventors: 刘涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-14
Filing date: 2014-11-14
Publication date: 2017-01-11
Anticipated expiration: 2034-11-14
Also published as: CN104534923A

Abstract

The invention relates to an extension arm type composite bow/arrow. The composite bow/arrow comprises an arc bow body provided with lug bases at two ends, stay ropes connected with the two lug bases, and an arrow shaft piece mounted in the middle area of the arc bow body, wherein the two ends of the arc bow body are respectively provided with rotating components limited by rotating shafts and bow strings connected to the ends of the two rotating components. As the rotating components adopted by the composite bow are longer, the distances of the bow strings are prolonged in shooting so that on the one hand, the extension arm type composite bow/arrow can enable arms of humans to totally spread, and is very suitable for shooting persons to draw the bow; and on the other hand, as the balance capacity of the shooting persons is improved, the shooting distance can be prolonged, and the shooting accuracy can be improved.

Description

Arm extending type is combined bow and arrow

Technical field

The present invention relates to a kind of arm extending type and be combined bow and arrow.

Background technology

Tradition bow and arrow is a kind of direct-pulling type bow and arrow, and it is mainly by grip handle, arculae and bowstring composition.This kind of bow and arrow is when pulling the bow Can cause " successively decreasing layer by layer " effect, what i.e. bow drew more opens, and required power of pulling the bow can increase clearly, so may result in steady Qualitative poor, and be unfavorable for aiming at；In addition, the bow of this type, elastic poor, range is relatively near, can not meet long away from Needs from range；It addition, this bow and arrow also includes the reflex bow that side is different from common longbow, the end of reflex bow bow arm is outside Bending, although reflex bow can store more energy, makes the arrow of injection have higher kinetic energy, and the bow arm of contrary flexure simultaneously can hold By bigger pulling force, but contrary flexure draw weight is less than half arm exhibition of human body, and during pulling the bow, makes bow become not after winding up Stable, cause its pulling force progressively to strengthen, this unbalanced pulling force can make the effective pull of human body be not fully utilized.

Bow and arrow of the prior art also includes laminated bow, and this laminated bow is by pulley and the spring utilizing composite to make Plate, and support the parts such as handle and the string of a musical instrument be combined into.Laminated bow is the principle utilizing mechanical force moment, potential energy be converted into gesture Can, when being pulled through cam summit to pulling force relative equilibrium used when completely bending in the range of this, so laminated bow is being pulled the bow with bowstring And ratio is relatively labor-saving when aiming at；Although the pulling force relative equilibrium that laminated bow is used, but its pulling force is substantially less than the work of human body Firmly, and the length making human body arm open up the most does not expands, and during pulling the bow, if the arm of human body is the most fully deployed Internal force would not be discharged completely, so, this laminated bow does not meets human body pulling force, it addition, because of laminated bow be structure very Complicated bow, parts are more, and cost of manufacture is higher.

In order to solve the problems referred to above, entitled disclosed in Chinese patent 2351739 " the crossbow body of built-in pulley extension spring " Patent provide a solution.This crossbow body is to be made up of T-shaped bow body, bowstring and extension spring, and extension spring one end is fixed on T-shaped The interior bottom of bow body, its top is equipped with steel wire rope, and the fixed pulley in T-shaped bow body upper crosstalk tube is contained on movable pulley, There is fixed pulley at transverse tube two ends, and bowstring is after fixed pulley and movable pulley, and two ends are separately fixed at transverse tube end.Although in this crossbow body Extension spring elastic potential energy can be made to be converted into kinetic energy, and fixed pulley supporting steel-cable can guarantee that bowstring and spring steel wire rope direction Stable, movable pulley changes the angle of bowstring steel wire rope the most in good time and ensures that it is static and the growth of state of winding up, but it is to utilize Arrow is penetrated by the mode that bowstring resets, and the amount of force that bowstring resets is relevant with the elasticity of bowstring, if bowstring has bigger Elasticity, only arrow could be penetrated farther out in the case of pulling force is relatively big, under conditions of contrary, arrow is shot up relatively near, institute With, this crossbow body is also not suitable for proprietary pulling force.

Summary of the invention

It is an object of the invention to provide and a kind of utilize equilibrium pulling force and improve the mode of square of pulling the bow and solve arm and be difficult to extension With the arm extending type laminated bow being not suitable for the problems such as pulling force.

Arm extending type laminated bow proposed by the invention include two ends be separately installed with ear mount arc bent body and with two ears The drag-line that seat is connected, and it is arranged on an arrow shaft part of arc bent body central region, described arc bent body two ends are respectively mounted There is the runner assembly limited by rotary shaft and be connected to the bowstring of two runner assembly ends, described arc bent body central region peace Equipped with strengthening plate, and being provided with grip handle in the side strengthening plate, described arrow shaft part includes being arranged on and strengthens front of plate both sides Arrow shaft and rear arrow shaft, and an arrow shaft is made up of L-shaped rod member afterwards, arranges limited arrow plate, described runner assembly in L-shaped rod member Including the rotation bar being respectively provided with on the rotating shaft and convex plate, and for the company that rotation bar and convex plate are fixed together Fitting.

Before described, the free end of an arrow shaft is provided with a vertical member, and the side at the two ends up and down of this vertical member is divided Front sight unit and front arrow platform are not installed.Described enhancing plate is provided with rear arrow platform towards the direction of front arrow platform.

Rear sight unit it is provided with on described bowstring.

Arm extending type laminated bow proposed by the invention uses the runner assembly being connected with bowstring, and this runner assembly is by turning Lever and convex plate are constituted, longer owing to rotating bar, during not pulling the bow, before bowstring can extend to arc bent body Portion, the distance of the string that can make to pull the bow when archery extends, and the arm that on the one hand can make people is fully deployed, is very suitable for archery person and draws Bow, on the other hand because improving toxophilitic equilibrium pulling force, can increase archery distance；It addition, divide on an arrow shaft part and enhancing plate It is not provided with front arrow platform and rear arrow platform, and is additionally provided with front sight unit and rear sight unit, be very beneficial for aiming at archery, and can carry The accuracy of high archery.

Accompanying drawing explanation

Accompanying drawing 1 is the surface structure schematic diagram of one embodiment of arm extending type laminated bow proposed by the invention.

Accompanying drawing 2 is the surface structure schematic diagram of string of pulling the bow during archery in Fig. 1；

Accompanying drawing 3 is the surface structure schematic diagram of runner assembly in Fig. 1.

Detailed description of the invention:

See Fig. 1 to Fig. 3, outside one embodiment of arm extending type laminated bow proposed by the invention that these three accompanying drawing provides See overall structure.This laminated bow includes arc bent body 1, ear mount 2 and the drag-line 23 being connected with two ear mount 2, arrow platform 3, Zhi Jian Rod member 4, strengthen plate 5, grip handle 6, runner assembly 7 and be connected to the bowstring 8 of two runner assembly 7 ends, sight unit 9.

Arc bent body 1 is to be made up of the resilient arc plate of tool, is separately installed with ear mount 2 at the two ends of arc bent body 1, Each ear mount 2 that the present embodiment is given all includes two blocks of relative plates 21 and is provided with between two boards part 21 for even Connecing the axle 22 of drag-line 23, the direction making two ear mount 2 free ends is relative, so that two ear mount 2 are respectively by drag-line 23 and two Relative convex plate 72 is connected.The central region of arc bent body 1 is provided with enhancing plate 5, and this enhancing plate 5 is provided with an arrow shaft Part 4, and in the side strengthening plate 5, grip handle 6 is installed.Described arrow shaft part 4 includes being vertically installed at before enhancing plate 5 Front arrow shaft and be vertically installed at and strengthen an arrow shaft after plate 5 having below, therein before an arrow shaft be by cylindrical rod piece 41 are constituted, and a rear arrow shaft is to be made up of L-shaped rod member 42, and arranges limited arrow plate 43 in L-shaped rod member 42, this limit arrow plate 43 When pulling the bow arrow, arrow can be made not offset.

Arrow platform 3 and sight unit 9 that the present embodiment is given are arranged at two, arrow platform 3 therein include front arrow platform 31 and after Arrow platform 32, sight unit 9 also includes front sight unit 91 and rear sight unit 92.Described front arrow platform 31 and front sight unit 91 are arranged at circle The leading section of cylindricality rod member 41, the i.e. front end at cylindrical rod piece 41 are provided with a vertical member 33, at this vertical member 33 Be arranged above front sight unit 91, and front arrow platform 31 is thereunder installed；Described rear arrow platform 32 is arranged on the side strengthening plate 5 Face, rear arrow platform 32 is in opposite direction with grip handle 6, and i.e. rear arrow platform 32 is towards the direction of front arrow platform 31, and then sight unit 92 is arranged on On bowstring 8, when string 8 of pulling the bow is shot an arrow, front sight unit 91 and rear sight unit 92 can be on same straight lines.

Described runner assembly 7 includes rotating bar 71 and convex plate 72, and is arranged on rotation bar 71 and convex plate 72 end For connector 73 that two parts are fixed together, what the present embodiment was given rotates bar 71 is a kind of elongated plate, Convex plate 72 has protuberance, and rotation bar 71 therein and convex plate 72 are arranged in rotary shaft 74, i.e. rotates bar 71 and convex Plate 72 can rotate in rotary shaft 74；It addition, the end of two rotation bars 71 is connected with bowstring 8, and two convex plates 72 End be connected with drag-line 23 respectively.

When utilizing this arm extending type laminated bow to shoot an arrow, the grip handle 6 in 1 centre position of bending low with a hand-held arc, bow and arrow 10 Ride on bowstring 8 and by front arrow platform 31 and rear arrow platform 32 as the strong point of bow and arrow 10, after pulling bowstring 8, with runner assembly 7 Inwardly upset, and promote arc 1 flexural deformation of bending low to save up strength by rotary shaft 74, and pulled sliding shoe 43 to be moved back by by bow and arrow 10 Dynamic, after bow and arrow 10 pulls open, rear sight unit 92 and front sight unit 91 on range estimation bowstring 8 can be shot an arrow on same straight line.

Claims

1. arm extending type laminated bow, this laminated bow includes that two ends are separately installed with the arc bent body of ear mount and are connected with two ear mount Drag-line, and be arranged on an arrow shaft part of arc bent body central region, described arc bent body two ends are separately installed with by rotating The runner assembly of axis limit and the bowstring being connected to two runner assembly ends, described arc bent body central region is provided with enhancing Plate, and in the side strengthening plate, grip handle is installed, it is characterised in that: before described arrow shaft part includes being arranged on enhancing plate both sides Prop up arrow shaft and rear arrow shaft, and a rear arrow shaft is made up of L-shaped rod member, arranges limited arrow plate, described rotating group in L-shaped rod member Part includes being respectively provided with rotation bar on the rotating shaft and convex plate, and for bar will be rotated and convex plate is fixed together Connector.

Laminated bow the most according to claim 1, it is characterised in that: the free end of described front arrow shaft is provided with one and hangs down Straight rod member, the side at the two ends up and down of this vertical member is separately installed with front sight unit and front arrow platform.

Laminated bow the most according to claim 1 and 2, it is characterised in that: described enhancing plate is arranged towards the direction of front arrow platform There is rear arrow platform.

Laminated bow the most according to claim 1, it is characterised in that: it is provided with rear sight unit on described bowstring.