CN208366157U - A kind of five string cable system of laminated bow and laminated bow - Google Patents

Abstract

The utility model provides a kind of five string cable system of laminated bow and laminated bow, it is related to laminated bow design and manufacturing technology field, the technical issues of solving the unilateral cable form of laminated bow existing in the prior art leads to state labile in bow and arrow flight course, influences fire accuracy.Five string cable system of laminated bow is the two sides that the more secondary strings are symmetrically disposed on laminated bow using plane where the main string as the plane of symmetry, form bilateral cable structure, the phenomenon that rebound curve that the five string cable system of laminated bow of the utility model can overcome main string laminated bow unbalance stress as caused by unilateral cable mode to be formed is in radian, keep bow and arrow in stable condition in flight course, improves the fire accuracy of laminated bow.

Description

A kind of five string cable system of laminated bow and laminated bow

Technical field

The utility model relates to laminated bow design and manufacturing technology field, more particularly, to a kind of five string cable system of laminated bow with And laminated bow.

Background technique

Laminated bow is mainly assembled by components such as bowgrip, wheel group, bowstring, arculae arculae seats.Modern laminated bow by In only installing module in eccentric main wheel side, therefore all it is three beam string structures of unilateral cable, including two secondary strings and a main string, leads to The kinetic energy pulled the bow, is converted the potential energy for radially pulling two secondary strings, and then pull by the post-tensioning deformation for crossing main string by pulley blocks Arculae makes arculae store energy, is the deformation of arculae first when discharging main string, passes through two secondary string band running block bands Main string rebound is moved, the bow and arrow ridden on main string is projected.For this laminated bow due to for unilateral cable structure, when use, does not have to concern side Cable, which touches arm, influences the stroke of bow and arrow, easy to use, and beginner can be also applicable in.But it is demanding for precision Occasion, especially sports, only take a fancy to the occasion of hit rate, variation of this three beam string structure due to use environment and itself The factors such as the influence of stress exist, rebound curve when main string being made to project bow and arrow is in certain radian, rather than straight line, shadow The running track of bow and arrow is rung, and then influences hit rate, it is totally unfavorable to the occasion that precise requirements are high.

Applicants have discovered that at least there is following technical problem in the prior art:

Returning when the shared unilateral cable form of existing laminated bow makes the unbalance stress such as bent body and arculae that main string be caused to spring back Playing curve is in certain radian, and then leads to state labile in bow and arrow flight course, influences fire accuracy.

Utility model content

The purpose of this utility model is to provide a kind of five string cable system of laminated bow and laminated bows, to solve the prior art Present in the unilateral cable form of laminated bow lead to state labile in bow and arrow flight course, the technology for influencing fire accuracy is asked Topic.

To achieve the above object, the utility model provides following technical scheme:

The utility model provides a kind of five string cable system of laminated bow, including main string and four secondary strings, wherein four pairs String is symmetrically distributed in the two sides of laminated bow using plane where the main string as the plane of symmetry, forms bilateral cable structure.

It optionally, further include two groups of laminated bow eccentric wheel mechanisms, the laminated bow eccentric wheel mechanism includes one eccentric main Wheel and two eccentric modules, wherein two eccentric modules are symmetrically disposed on the two sides of the eccentric main wheel, and the bias Main string hanging head and secondary string hanging head are provided on main wheel, the bias module includes bending section.

Optionally, the main string both ends are originated by the eccentric main wheel far from bowgrip side, around the eccentric main wheel wheel Edge one week is simultaneously fixed on the main string hanging head.

Optionally, the main string both ends with the main string hanging head is detachable is fixedly connected.

Optionally, the main string includes the main becket bridle of two with main string one, and two main becket bridles are nested in correspondence The main string hanging head.

Optionally, the first end of the every secondary string is both secured to the wheel shaft of fixed eccentric main wheel, every secondary string The end groove that second end passes through the corresponding bending section is fixed on the corresponding secondary string hanging head.

Optionally, the both ends of the secondary string respectively with the secondary string hanging head and wheel shaft is detachable is fixedly connected.

Optionally, the secondary string includes the secondary becket bridle of two with secondary string one, one of them described pair becket bridle is nested in pair The wheel shaft answered, another described secondary becket bridle are nested in the corresponding secondary string hanging head.

Optionally, two of the every side of the main string secondary equal cross arrangements of string, and the intersection point of two secondary strings and pre- Nocking point on the main string is respectively positioned on symmetrically dividing equally on face for two laminated bow eccentric wheel mechanisms.

A kind of laminated bow, including above-mentioned five string cable system of laminated bow.

The utility model provides a kind of five string cable system of laminated bow and laminated bow, and four secondary strings are pair with plane where main string Title face is symmetrically disposed on the two sides of laminated bow, forms bilateral cable structure, and the five string cable system of laminated bow of the utility model can make Laminated bow keeps lower whorl group pulling force, torque full symmetric equal, can reach bow and arrow and penetrate in uniform force on the whole up and down Direction is the angular bisector of two torques out, and achieving the purpose that center transmitting makes bowstring rebound path and geometric center lines weight It closes, and the non-central rebound path emitted and unbalance stress is formed of main string laminated bow as caused by unilateral cable mode can be overcome The phenomenon that in arc curve, keeps bow and arrow in stable condition in flight course, improves the fire accuracy of laminated bow.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is five string cable combination schematic diagrames of a kind of five string cable system of laminated bow of the utility model and laminated bow；

Fig. 2 is the overall structure diagram of five string cable system of laminated bow and laminated bow；

Fig. 3 is the side string cable connected mode schematic diagram of five string cable system of laminated bow and laminated bow；

Fig. 4 is the laminated bow eccentric wheel mechanism assembling schematic diagram of five string cable system of laminated bow and laminated bow.

1 in figure, main string；2, secondary string；3, eccentric main wheel；4 eccentric modules；5, main string hanging head；6, secondary string hanging head；7, wheel shaft； 8, bending section；9, main becket bridle；10, secondary becket bridle.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

The utility model provides a kind of five string cable system of laminated bow, as depicted in figs. 1 and 2, including main string 1 and four secondary strings 2, wherein four secondary strings 2 are symmetrically distributed in the two sides of laminated bow using the main 1 place plane of string as the plane of symmetry, are formed double Side cable structure.

The five string cable system of laminated bow of the utility model can make laminated bow in uniform force on the whole up and down, make Lower whorl group pulling force, torque are full symmetric equal, can reach bow and arrow project direction be two torques angular bisector, and can gram The phenomenon that rebound curve that main string 1 laminated bow unbalance stress as caused by unilateral cable mode is formed is in radian is taken, and reaches center The purpose of transmitting is overlapped bowstring rebound path with geometric center lines, keeps bow and arrow in stable condition in flight course, significantly Improve the fire accuracy of laminated bow.

Optionally embodiment, as shown in figure 4, further including two groups of laminated bow eccentric wheel mechanisms, the laminated bow is inclined Xin Lun mechanism includes an eccentric main wheel 3 and two eccentric modules 4, wherein two eccentric modules 4 are symmetrically disposed on described The two sides of eccentric main wheel 3, and main string hanging head 5 and secondary string hanging head 6 are provided on the eccentric main wheel 3, the bias module 4 includes Bending section 8.

The laminated bow eccentric wheel mechanism of the utility model includes an eccentric main wheel 3 and two eccentric modules 4, described in two Eccentric module 4 is symmetrically disposed on the two sides of the eccentric main wheel 3, makes single eccentric wheel mechanism Moment or so equality, described It is provided with main string hanging head 5 and secondary string hanging head 6 on eccentric main wheel 3, is respectively intended to fix main string 1 and secondary string 2, and the utility model Laminated bow eccentric wheel mechanism use in pairs, keep laminated bow Moment also full symmetric, guarantee bow and arrow flight course in it is steady It is qualitative.

Optionally embodiment, main 1 both ends of string are originated by the eccentric main wheel 3 far from bowgrip side, around Bias main wheel 3 wheel rim one week is simultaneously fixed on the main string hanging head 5.

Main 1 both ends of string of the utility model are originated by the eccentric main wheel 3 far from bowgrip side, around the eccentric main wheel 3 Wheel rim one week is simultaneously fixed on the main string hanging head 5, and when pulling laminated bow, the point of contact with the main string 1 and the eccentric main wheel 3 is Supporting point drives eccentric main wheel 3 to rotate, and can cooperate eccentric module 4, reaches laborsaving ratio, drives the contraction of arculae indirectly, Used time when making laminated bow, it is more stable with it is laborsaving.

Optionally embodiment, main 1 both ends of string with main 1 hanging head of string is detachable is fixedly connected.

1 both ends of main string described in the utility model with the main string hanging head 5 is detachable is fixedly connected, be convenient for the main string of laminated bow 1 replacement and maintenance.

Optionally embodiment, as shown in figure 3, the main becket bridle 9 that the main string 1 is including two and main string 1 is integrated, two A main becket bridle 9 is nested in the corresponding main string hanging head 5.

Main becket bridle 9 described in the utility model is nested in corresponding main 1 hanging head of string, this kind of connection type structure letter It is single and fixed reliable, it is easy to disassemble.

Optionally embodiment, the first end of the every secondary string 2 are both secured to the wheel shaft 7 of fixed eccentric main wheel 3, The end groove that the second end of the every secondary string 2 passes through the corresponding bending section 8, which is fixed on the corresponding secondary string, to be hung First 6.

The first end of the utility model every secondary string 2 is both secured to the wheel shaft 7 of fixed eccentric main wheel 3, described in every The end groove that the second end of secondary string 2 passes through the corresponding bending section 8 is fixed on the corresponding secondary string hanging head 6, pulls When main string 1, the pair string 2 is wound around eccentric 4 outer circle of module, drives arculae with the rotation of eccentric main wheel 3 convenient for eccentric module 4 Deformation.

Optionally embodiment, the both ends of the pair string 2 are removable with the secondary string hanging head 6 and the wheel shaft 7 respectively The formula of unloading is fixedly connected.

The both ends of pair string 2 described in the utility model connect with secondary 2 hanging head of string and the detachable fixation of the wheel shaft 7 respectively It connects, convenient for the replacement and maintenance of laminated bow pair string 2.

Optionally embodiment, the pair string 2 include the secondary becket bridle 10 of two with secondary 2 one of string, one of institute It states secondary becket bridle 10 and is nested in the corresponding wheel shaft 7, another described secondary becket bridle 10 is nested in the corresponding secondary string hanging head 6.

The both ends fixed form of the utility model pair string 2 keeps the fixed structure of secondary string 2 simple, and fixed reliable, is convenient for Disassembly.

Optionally embodiment, the equal cross arrangement of the secondary string 2 of two of the every side of the main string 1, and described in two The intersection point of secondary string 2 and the nocking point defaulted on the main string 1 are respectively positioned on the symmetrical flat of two laminated bow eccentric wheel mechanisms In facet.

Compound bowstring cable system with the utility model just will appear when full symmetric the intersection points of two secondary strings 2 with The nocking point defaulted on the main string 1 is respectively positioned on the situation symmetrically divided equally on face of two laminated bow eccentric wheel mechanisms, And this situation keeps laminated bow stress symmetrical, can make bow and arrow take exit point, bow and arrow is against point and main string 1 on main string 1 It is overlapped in same straight line and to the resultant moment of bow and arrow with geometric center lines, eliminate leads to bow and arrow flight course to greatest extent The middle factors of instability increase the precision of shooting.

A kind of laminated bow, including above-mentioned five string cable system of laminated bow.

This laminated bow, uniform force is symmetrical, ensure that the stability of bow and arrow flight course to greatest extent, is greatly improved The fire accuracy of laminated bow.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of five string cable system of laminated bow, it is characterised in that: including main string (1) and four secondary strings (2), wherein described in four Secondary string (2) is symmetrically distributed in the two sides of laminated bow using plane where the main string (1) as the plane of symmetry, forms bilateral cable structure.

2. five string cable system of laminated bow described in accordance with the claim 1, it is characterised in that: further include two groups of laminated bow bias turbines Structure, the laminated bow eccentric wheel mechanism include an eccentric main wheel (3) and two eccentric modules (4), wherein two bias Module (4) is symmetrically disposed on the two sides of the eccentric main wheel (3), and be provided on the eccentric main wheel (3) main string hanging head (5) and Secondary string hanging head (6), the bias module (4) includes bending section (8).

3. five string cable system of laminated bow according to claim 2, it is characterised in that: main string (1) both ends are by described Eccentric main wheel (3) originates far from bowgrip side, around described eccentric main wheel (3) wheel rim one week and is fixed on the main string hanging head (5).

4. five string cable system of laminated bow according to claim 2, it is characterised in that: main string (1) both ends and the master String hanging head (5) is detachable to be fixedly connected.

5. five string cable system of laminated bow according to claim 4, it is characterised in that: the main string (1) includes two and master The main becket bridle (9) of string (1) one, two main becket bridles (9) are nested in the corresponding main string hanging head (5).

6. five string cable system of laminated bow according to claim 2, it is characterised in that: the first end of the every secondary string (2) It is both secured to the wheel shaft (7) of fixed eccentric main wheel (3), the second end of the every secondary string (2) passes through the corresponding bending The end groove in portion (8) is fixed on the corresponding secondary string hanging head (6).

7. five string cable system of laminated bow according to claim 6, it is characterised in that: it is described pair string (2) both ends respectively with The pair string hanging head (6) with the wheel shaft (7) is detachable is fixedly connected.

8. five string cable system of laminated bow according to claim 7, it is characterised in that: the pair string (2) includes two and pair The secondary becket bridle (10) of string (2) one, one of them described secondary becket bridle (10) are nested in the corresponding wheel shaft (7), another institute It states secondary becket bridle (10) and is nested in the corresponding secondary string hanging head (6).

9. five string cable system of laminated bow according to claim 6, it is characterised in that: two institutes of the every side of the main string (1) It states secondary string (2) equal cross arrangement, and the intersection point of two secondary strings (2) and defaults in the equal position of nocking point on the main string (1) Divide equally on face in two the symmetrical of the laminated bow eccentric wheel mechanism.

10. a kind of laminated bow, it is characterised in that: including the described in any item five string cable systems of laminated bow of claim 1 to 9.