CN104848740B

CN104848740B - Double hook release aid

Info

Publication number: CN104848740B
Application number: CN201510258850.6A
Authority: CN
Inventors: 林耀钻; 陈吉
Original assignee: Ningbo Hai Bai Seiko Machinery Manufacturing Co Ltd
Current assignee: Ningbo Hai Bai Seiko Machinery Manufacturing Co Ltd
Priority date: 2015-05-19
Filing date: 2015-05-19
Publication date: 2016-08-24
Anticipated expiration: 2035-05-19
Also published as: CN104848740A

Abstract

The present invention relates to a kind of double hook release aid, include handle, it is used for catching on the string hook of bowstring and partly exposing to the trigger of handle, the front end of described handle has a cavity volume, by hinge, in this cavity volume and hook portion exposes to cavity volume to string hook, it is characterized in that described string hook has two, the hook portion of this two strings hook is oppositely arranged and can close with the rotation of two string hooks formation enclosed area, it is provided with, between this two strings hook, the spring making the hook portion of two string hooks have relative separation trend all the time, it is connected on handle to trigger rotation, and part extend in cavity volume, and the hook portion Guan Bi of two string hooks is controlled by an actuator.Due to the present invention uses hook portion can relatively closed two string hooks, the most in use, when bowstring is positioned at the enclosed area that the hook portion of this two strings hook is surrounded, even if there being external force to drive, also bowstring will not be made from rear release aid, therefore use the safest, and two hook portions act on bowstring, force steadily, can further improve precision during archery.

Description

Double hook release aid

Technical field

The present invention relates to a kind of release aid, refer specifically to the double hook release aid used during a kind of archery.

Background technology

Traditional bow and arrow is the most all with finger direct pull bowstring, owing to the arrow gone out with hands dispenser all can have laid parallel Trend, arise at the historic moment for this release aid, and one of the indispensable accessory having become laminated bow.During use, typically by dispenser In the wrist strap of device is wrapped in wrist or is directly held in the hand by the handle of release aid, catch on bowstring with the string hook of distributor, Then force in release aid, pull open bowstring therewith, more just arrow is run out with finger cocking.Therefore, employing is spread Put device and be possible not only to protect finger, also be able to the precision improving laminated bow when archery simultaneously.

The structure of this release aid also presents variation at present, if Chinese patent Authorization Notice No. is the " multiple of CN2798025Y Close bow " disclosed in release aid, the structure of this release aid is relatively simple, mainly by drawing string hook, trigger, handle, company Flange and wrist strap composition.Also has the release aid that structure is relatively complicated, as Chinese patent Authorization Notice No. is Release aid disclosed in CN2036877758U.Use the release aid of said structure, although can preferably overcome hands The dynamic problem existing for string of pulling the bow, but they all use single hook to pull the bow the mode of string, in use, if having external force or Maloperation, bowstring is easily deviate from from string hook, therefore be there is certain potential safety hazard.

Summary of the invention

The technical problem to be solved is the present situation for prior art, it is provided that a kind of simple in construction and use safety Double hook release aid.

The present invention solves the technical scheme that above-mentioned technical problem used: a kind of double hook release aid, includes handle, use Catching on the string hook of bowstring and partly expose to the trigger of handle, the front end of described handle has a cavity volume, described string hook By hinge, in this cavity volume and hook portion exposes to cavity volume, it is characterised in that: described string hook has two, this two strings hook Hook portion be oppositely arranged and can close with the rotation of two string hooks formation enclosed area, be provided with between this two strings hook and make two string hooks Hook portion there is the spring of relative separation trend all the time, be connected on handle to described trigger rotation, and part extend into appearance In chamber, and controlled the hook portion Guan Bi of two string hooks by an actuator.

In such scheme, it is preferred that described spring is stage clip, it is relative that described two strings are hooked between hook portion with bearing pin Having stopper slot on face, the two ends of described stage clip are located in the stopper slot of respective side respectively.Can certainly use and draw The form of spring, the two ends of this extension spring are hung on two string hooks, and mounting point is between the afterbody of bearing pin and string hook, so Scheme equally realize identical purpose.

Make for convenience and assemble, it is preferred that described two string hook structures are identical, and are symmetrical arranged.

In such scheme, it is preferred that described actuator is a slide block that can move back and forth in described cavity volume, this is sliding The afterbody of block is connected with described trigger, and head two laterally outside of this slide block is protruding and is formed and swells portion；Described two string hooks Cave in respectively on opposite face between the afterbody of bearing pin and string hook and form the zone of action that the portion of swelling described in confession accommodates, Under the state that the hook portion of described two string hooks is in separation, described in the portion of swelling be positioned at described zone of action, at described two strings The hook portion of hook is under separate state, described in swell the both sides in the portion afterbody respectively with two string hooks and offset, by trigger, Can the slip of band movable slider easily.This actuator can also be switch block coaxial mounted with trigger, and this switch block is positioned at two Between the afterbody of string hook, trigger rotation, drive switch block to rotate, and then the afterbody of string hook can be made separately, and make two string hooks Hook portion Guan Bi.

In above-mentioned preferred version, improving further, the afterbody of described string hook is separately installed with can right with slide block Answer the roller that side contacts with rolling, to reduce frictional force, it is ensured that the smooth and easy slip of slide block.

In above-mentioned improvement project, it is further preferred that, there is the guiding for described slider containment sliding in described cavity volume Groove, the slip making slide block is the most steady.

It is preferred that the regulation bolt of the threaded bottom surface having a head can be exposed to described guide chute on described handle, Afterbody at described slide block has an inclined-plane offseted with the head of this regulation bolt, rotates regulation bolt, changes it and be exposed to Length in guide chute, by its coordinating with inclined-plane, thus it is possible to vary the stroke of slide block.

Trigger and the connection of slide block, can have various ways, and better simply, the afterbody of described slide block also has for trigger End insert groove.

It is preferred that described handle has axis hole in the one end away from cavity volume, the one end connecting assembly is hinged with wrist strap, The other end of this connection assembly is inserted in described axis hole, and is connected with described handle.This connection assembly preferably employ as Lower structure: described connection assembly includes sleeve pipe and the first screw rod being threaded in sleeve pipe Single port and is threaded in set Second screw rod of the pipe other end, wherein the first screw rod has the first union joint on the end expose to sleeve pipe, this first company Fitting sleeve on a pivot, described in be pivotally secured within described wrist strap, and described second screw rod is on the end being exposed to sleeve pipe Having the second union joint, this second union joint is connected on described handle by a radial direction screw rod.So can on-demand regulate Connect the length of assembly, to adapt to the demand of different users.

Compared with prior art, due to the present invention use hook portion can relatively closed two string hooks, the most in use, when When bowstring is positioned at the enclosed area that the hook portion of this two strings hook is surrounded, even if there being external force to drive, also will not make bowstring from after spread Putting device, therefore use the safest, and two hook portions act on bowstring, force steadily, can further improve and penetrates Precision during arrow.

Accompanying drawing explanation

Fig. 1 is the structural representation of the embodiment of the present invention；

Fig. 2 is the dorsal view (locally) of Fig. 1；

Fig. 3 is the axonometric chart (removing wrist strap) after Fig. 1 cover plate is decomposed from handle；

Fig. 4 is the schematic perspective view (removing cover plate) after pulling trigger in Fig. 3；

Fig. 5 is the further exploded view of Fig. 3；

Fig. 6 is the further exploded view of Fig. 5；

Fig. 7 is the sectional view (removing cover plate) of Fig. 3.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.

As shown in Figures 1 to 7, this double hook release aid includes handle 1, for catching on string hook 2 and the trigger of bowstring 3, wherein, handle 1 front end has a cavity volume 11, and the side of this cavity volume 11 is a cover plate 4 connected with screw disassembling. In the present embodiment, described string hook 2 has two, and this two strings hook structure is identical, is symmetrical arranged, and each string hook 2 leads to respectively Cross in respective bearing pin a is hinged on cavity volume 11 and hook portion exposes to cavity volume 11, and the hook portion of this two strings hook 2 sets relatively Put, formation enclosed area b1, the two string hooks 2 phase between bearing pin a with the afterbody of string hook can be closed with the rotation of two string hooks On opposite the most respectively depression 21 and form zone of action b2, be provided with between this two strings hook simultaneously and make the hook portion of two string hooks begin Having the spring of relative separation trend eventually, here, spring is stage clip 5, and it is relative that two strings are hooked between hook portion with bearing pin Having stopper slot 22 on face, the two ends of stage clip 5 are located in the stopper slot 22 of respective side respectively so that after assembling Stage clip is securely positioned between two string hooks.

Above-mentioned trigger 3 is connected on handle 1 rotationally also by axle c, and part exposes to handle 1, and part extend into In cavity volume 11, and controlled the hook portion Guan Bi of two string hooks 2 by an actuator.In the present embodiment, actuator be one The slide block 6 that can move back and forth in cavity volume 11, moves back and forth direction and refers to the direction between hook portion and the afterbody of string hook 2, as Shown in arrow in Fig. 1.In order to make slide block 6 stably and reliably to move, have in cavity volume 11 and hold for described slide block 6 The guide chute 12 received；The afterbody of this slide block 6 is connected with trigger 3, and more preferably connecting is that the afterbody of slide block 6 is opened Fluted 61, the end of trigger 3 is inserted in this groove 61, so rotates trigger 3, it is possible to band movable slider 6 exists Move in guide chute 12；The head both sides of this slide block 6 are the most protruding and formed and swell portion 62, and this swells portion 62 Can enter in above-mentioned zone of action b2 by the passage between the afterbody of two string hooks, the hook portion at two string hooks is in separation State under, swell portion 62 and be positioned at zone of action b2；When the hook portion of two string hooks 2 is under closure state, swell portion 62 respectively afterbody with string hook 2 offset.

In order to reduce the friction between the corresponding side surface of above-mentioned slide block and the afterbody of string hook, the afterbody of above-mentioned two string hooks is pacified respectively Equipped with the roller 7 that can contact with rolling with the corresponding side surface of slide block.

Simultaneously in order to be able to facilitate the stroke of adjusting slider, threaded on above-mentioned handle have a head can be exposed to guide chute The regulation bolt d of the bottom surface of 12, the afterbody at slide block has an inclined-plane 63 offseted with the head of this regulation bolt.Rotate Regulation bolt d, changes its length in guide chute, refers to Fig. 7, by its coordinating with inclined-plane 63, so that it may To rapidly adjust the stroke of slide block.

In order to enable preferably to force in release aid, above-mentioned handle has axis hole 13, a connection group in the one end away from cavity volume One end of part 8 is hinged with wrist strap 9, and the other end of this connection assembly is inserted in axis hole 13, and with described handle 1 It is connected.In view of can be suitably used for different ejaculator, this connection assembly 8 uses following structure: connects assembly 8 and includes Sleeve pipe 81, it is threaded in the first screw rod 82 of sleeve pipe Single port and is threaded in the second screw rod 83 of the sleeve pipe other end, Wherein the first screw rod 82 has the first union joint 821 on the end exposing to sleeve pipe 81, and this first union joint 821 overlaps On a pivot 84, pivot 84 is fixed on wrist strap 9 by bolt 85；And the second screw rod 83 is being exposed to sleeve pipe 81 End on there is the second union joint 831, this second union joint 831 by one radially screw rod 86 be connected on handle 1, Can be the most spacing on handle 1 in order to ensure the second screw rod 83, handle 1 also on be provided with two tightening screw rods 87, This tight fixed bolt 87 is arranged to be perpendicular to sleeve pipe 81 axis, after threadeding with the screw on sleeve pipe 81 wall, and each tightening Screw rod 87 offsets with the second end face adding joint 831.Use such connection assembly, can be according to different users's Demand, can be conveniently adjusted the length connecting assembly, i.e. by revoling tube or/and the first screw rod, it is possible to change even The length of connected components.

During use, wrist strap is wrapped in wrist, pulls trigger, the direction of arrow as shown in Figure 4 backward, now, slide The portion of swelling of block is positioned at zone of action, and under the effect of stage clip, the hook portion of two string hooks separates, and makes bowstring enter two string hooks Hook portion between, the most reversely pull trigger, band movable slider moves, and makes the portion of swelling be positioned at the roller of the afterbody with two string hooks Offseting, in the process, the hook portion of slipper push two string hook relatively rotates, and makes the hook portion of two string hooks close, such as Fig. 3 institute Showing, at this moment, bowstring is in the b1 of enclosed area, then forces in release aid, pulls open after bowstring puts in place, then uses finger Cocking, as shown in Figure 4, makes the hook portion of two string hooks open, just arrow is run out.Obviously, the process of bowstring is caught on In, bowstring, always situated in enclosed area, therefore uses safety, and it is more stable to exert a force.

Claims

1. a double hook release aid, includes handle, exposes to pulling of handle for the string hook and part catching on bowstring Machine, the front end of described handle has a cavity volume, and by hinge, in this cavity volume and hook portion exposes to cavity volume to described string hook, Described string hook has two, and the hook portion of this two strings hook is oppositely arranged and can close with the rotation of two string hooks formation enclosed area, Being provided with the spring making the hook portion of two string hooks have relative separation trend all the time between this two strings hook, described trigger rotation ground connects On handle, and part extend in cavity volume, and is controlled the hook portion Guan Bi of two string hooks by an actuator, it is characterised in that: Described actuator is a slide block that can move back and forth in described cavity volume, and the afterbody of this slide block is connected with described trigger, should Head two laterally outside of slide block is protruding and is formed and swells portion；It is relative that described two strings are hooked between bearing pin with the afterbody of string hook Caving in respectively on face and form the zone of action that the portion of swelling described in confession accommodates, the hook portion at described two string hooks is in the shape of separation Under state, described in the portion of swelling be positioned at described zone of action, the hook portion at described two string hooks is under separate state, institute State the both sides in the portion of the swelling afterbody respectively with two string hooks to offset.

Double hook release aid the most according to claim 1, it is characterised in that: described spring is stage clip, described two strings Being hooked on the opposite face between hook portion and bearing pin and have stopper slot, the two ends of described stage clip are located the limit of respective side respectively In the groove of position.

Double hook release aid the most according to claim 2, it is characterised in that: described two string hook structures are identical, and It is symmetrical arranged.

Double hook release aid the most according to claim 1, it is characterised in that: the afterbody of described string hook is respectively mounted There is the roller that can contact with rolling with the corresponding side surface of slide block.

Double hook release aid the most according to claim 4, it is characterised in that: have in described cavity volume for described cunning The guide chute that block accommodates.

Double hook release aid the most according to claim 5, it is characterised in that: threaded on described handle have one Portion can be exposed to the regulation bolt of the bottom surface of described guide chute, and the afterbody at described slide block has the head of one and this regulation bolt The inclined-plane that portion offsets.

Double hook release aid the most according to claim 1, it is characterised in that: the afterbody of described slide block also has for pulling The groove that the end of machine is inserted.

Double hook release aid the most according to claim 1, it is characterised in that: described handle is in the one end away from cavity volume Having axis hole, the one end connecting assembly is hinged with wrist strap, and the other end of this connection assembly is inserted in described axis hole, And be connected with described handle.

Double hook release aid the most according to claim 8, it is characterised in that: described connection assembly include sleeve pipe and It is threaded in the first screw rod of sleeve pipe Single port and is threaded in the second screw rod of the sleeve pipe other end, wherein the first screw rod Having the first union joint on the end expose to sleeve pipe, this first union joint is enclosed within a pivot, described in be pivotally secured within On described wrist strap, and described second screw rod has the second union joint on the end be exposed to sleeve pipe, and this second union joint passes through One radial direction screw rod is connected on described handle.