CN104896998A - Crossbow with secondary strings higher than main string - Google Patents
Crossbow with secondary strings higher than main string Download PDFInfo
- Publication number
- CN104896998A CN104896998A CN201410074600.2A CN201410074600A CN104896998A CN 104896998 A CN104896998 A CN 104896998A CN 201410074600 A CN201410074600 A CN 201410074600A CN 104896998 A CN104896998 A CN 104896998A
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- musical instrument
- string
- main
- main string
- wheel
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Abstract
The invention discloses a crossbow with secondary strings higher than a main string. The crossbow comprises a buttstock body, a bow head, two bow arms arranged at the two ends of the bow head, two pulley blocks arranged at the back ends of the two bow arms, and a bowstring set. A chute is defined on the gun stock body for arranging an arrow body. Each pulley block comprises a main string wheel, and a secondary string wheel attached on the main string wheel. The bowstring set comprises one main string and two secondary strings. The two ends of the main string are respectively wound on the main string wheels of the two pulley blocks, and are higher than the chute of the gun stock body. One end of each secondary string is wound on the secondary string wheel of one pulley block, and the other end is fixed on a wheel shaft of the other pulley block. Specifically, the middle sections of the first and second secondary strings are both positioned above the main string without blocking the launching of the arrow body.
Description
Technical field
The present invention relates to a kind of cross bow, particularly a kind of secondary string of a musical instrument bends higher than the cross of the main string of a musical instrument, and its secondary string of a musical instrument is higher than the main string of a musical instrument.
Background technology
Laminated bow is invented by American Holless Wilbur Allen in 1969 the earliest, refers to United States Patent (USP) the 3rd, 486, No. 495.In brief, laminated bow uses special eccentric wheel or lever system to increase accumulation of energy power when pulling the bow, and the pulling force (holding force) required when moving full bow location to is less than tradition bow, more stably can aim at, improving the degree of accuracy of shooting.Similarly, general cross bow is also apply to the function that similar lever system reaches similar.
Fig. 4 shows a kind of existing cross bow 900, it roughly comprises a gun stock body 91, be located at a bow 92 of this gun stock body 91 front end, be bonded to two of these bow 92 two ends bow arms 93,94, be mounted on two eccentric group 95,96 and bowstring groups 97 of this two bows arm 93,94 rear end.Define a slideway 911 above this gun stock body 91 to arrange for a rocket body (not shown), and below it, have a trigger 912, for this rocket body of transmitting.Each eccentric group 95 (or 96) is taken turns 951 (or 961) by a main string and is posted by a less secondary string that this main string takes turns below and takes turns (not shown) and formed.This bowstring group 97 comprises the secondary string of a musical instrument 971,972 of a main string of a musical instrument 970 and two Y-shapeds.
It should be noted that this main string of a musical instrument 970 is located at the main string wheel 951,961 that between this two assembly pulley 95,96 and its two ends are set around this two assembly pulley 95,96 respectively.One end of each secondary string of a musical instrument 971 (or 972) is set around the secondary string wheel of a wherein assembly pulley 95 (or 96), and its other end is fixed on the wheel shaft of another assembly pulley 96 (or 95) rear end of subtend after fork.In other words, the interlude of this two secondary string of a musical instrument 971,972 is lower than this main string of a musical instrument 970, and intersection near the slideway 911 of this gun stock body 91.To this, the front end of this gun stock body 91 defines a profile groove 910, passes through for this two secondary string of a musical instrument 971,972, with the transmitting avoiding this two secondary string of a musical instrument 971,972 to affect bow and arrow; But the formation of this profile groove 910 can undermine the intensity of this gun stock body 91 front end, cause the collimation of the slideway 911 above this gun stock body 91 to reduce, shooting is exerted an adverse impact; Moreover the formation of this profile groove 910 certainly will need the thickness increasing this gun stock body 91 front end, is beneficial to cut the operations such as pin, not only increases manufacturing cost, and structure also cannot lightweight.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defect that prior art exists, and provide a kind of secondary string of a musical instrument to bend higher than the cross of the main string of a musical instrument, it does not need to be processed to form above-mentioned profile groove to its gun stock body, thus can reduce the thickness of gun stock body front end, and then reach lightweight and be easy to manufacture.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of secondary string of a musical instrument bends higher than the cross of the main string of a musical instrument, roughly comprises a gun stock body, a bow, two bow arm, two assembly pulleys and bowstring groups.Wherein, above this gun stock body, define a slideway, arrange for a rocket body, and below it, have a trigger, for this rocket body of transmitting.This bow is located at the front end of this gun stock body.This two bows arm is bonded to the two ends of this bow respectively.This two assembly pulley is mounted on the rear end of this two bows arm respectively, and each assembly pulley comprises a main string wheel and is posted by a secondary string wheel of this main string wheel top.This bowstring group comprises a main string of a musical instrument, the one first secondary string of a musical instrument and the one second secondary string of a musical instrument.The two ends of this main string of a musical instrument are set around the main string wheel of this two assembly pulley respectively, and higher than the slideway of this gun stock body.One end of this first secondary string of a musical instrument is set around the secondary string wheel of a wherein assembly pulley, and the other end is fixed on the wheel shaft of another assembly pulley.Similarly, one end of this second secondary string of a musical instrument is set around the secondary string wheel of this another assembly pulley, and the other end is fixed on this assembly pulley.So, the interlude of this first and second secondary string of a musical instrument is all positioned at the top of this main string of a musical instrument.
The described secondary string of a musical instrument bends higher than the cross of the main string of a musical instrument, and wherein, at least one of this two assembly pulley is eccentric group.Cross bow of the present invention also comprises at least one bar of manipulating the strings, and it stretches between this first secondary string of a musical instrument and this main string of a musical instrument, so that the interlude of this first secondary string of a musical instrument is up dialled the height moving to and do not hinder this rocket body to launch.Wherein, one end of this bar of manipulating the strings is connected with this bow, and the other end extands rearward between this first secondary string of a musical instrument and this main string of a musical instrument.Therefore, the present invention without the need to producing in its gun stock body additional processing the profile groove allowing the secondary string of a musical instrument pass through, be therefore easier to manufacture and can lightweight.
The invention has the beneficial effects as follows, it does not need to be processed to form above-mentioned profile groove to its gun stock body, thus can reduce the thickness of gun stock body front end, and then reaches lightweight and be easy to manufacture.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic perspective view of cross of the present invention bow.
Fig. 2 is the close-up schematic view of cross of the present invention bow.
Fig. 3 is the lateral side view of cross of the present invention bow.
Fig. 4 is the schematic perspective view of existing cross bow.
Number in the figure illustrates:
100 cross bows
1 gun stock body
10 slideways
11 rocket bodies
12 triggers
2 bows
21,22 to manipulate the strings bar
3,4 bow arms
5,6 assembly pulleys
51,61 main string wheels
52,62 secondary string wheels
7 bowstring groups
The 70 main strings of a musical instrument
The 71 first secondary strings of a musical instrument
The 72 second secondary strings of a musical instrument
8 pedal rings
900 cross bows
91 gun stock bodies
910 profile grooves
911 slideways
912 triggers
92 bows
93,94 bow arms
95,96 eccentric group
951,961 main string wheels
97 bowstring groups
The 970 main strings of a musical instrument
971, the 972 secondary strings of a musical instrument
Detailed description of the invention
Consult Fig. 1 and Fig. 2, it is the schematic diagram of a preferred embodiment of cross of the present invention bow 100.As shown in the figure, this cross bow comprises a gun stock body 1, is located at a bow 2 of this gun stock body 1 front end, is incorporated into two of these bow 2 two ends bow arms 3 respectively, 4, be mounted on respectively this two bows arm 3,4 rear end two assembly pulleys 5,6, be set around a bowstring group 7 between this two assembly pulley 5,6, and be located at a pedal ring 8 of this gun stock body 1 front end.
As shown in Figure 1, there is a trigger 12 below of this gun stock body 1, and defines a slideway 10 above it, arranges for a rocket body 11 (Fig. 3).Once toxotae pulls this trigger 12 can discharge this bowstring group 7, launch along this slideway 10 to make the rocket body 11 on this slideway 10.
In details of the words, as shown in the enlarged drawing of Fig. 2, each assembly pulley 5 comprises a main string wheel 51 and is posted by the less secondary string wheel 52 above this main string wheel 51.Again as shown in Figure 1, this bowstring group 7 comprises the secondary string of a musical instrument 71 of a main string of a musical instrument 70,1 first and the one second secondary string of a musical instrument 72.Wherein, the two ends of this main string of a musical instrument 70 are set around the main string wheel 51,61 of this two assembly pulley 5,6 respectively, and higher than the slideway 10 of this gun stock body 1.One end of this first secondary string of a musical instrument 71 is set around the secondary string wheel 52 of a wherein assembly pulley 5, and the other end is fixed on the two ends of the wheel shaft (not shown) of this another assembly pulley 6 after fork, and is posted by the two opposite sides of this bow arm 4 rear end respectively.Similarly, one end of this second secondary string of a musical instrument 72 is set around the secondary string wheel 62 of this another assembly pulley 6, and the other end is fixed on the two ends of the wheel shaft (not shown) of this assembly pulley 5 after fork, and is posted by the two opposite sides of this bow arm 3 rear end respectively.Therefore, it should be noted that the interlude of this first and second secondary string of a musical instrument 71,72 is all positioned at the top of this main string of a musical instrument 70, as shown in Figure 3.
Preferably, cross of the present invention bow 100 also comprises pair of parallel bar 21,22 of manipulating the strings, so that the interlude of this first and second secondary string of a musical instrument 71,72 is dialled this rocket body 11 moving to and exceed on the slideway 10 of this gun stock body 1 further, as shown in Figure 3.Wherein, this bow 2 is fixed in one end of each bar 21 or 22 of manipulating the strings, and the other end extands rearward to this first and second between secondary string of a musical instrument 71,72 and this main string of a musical instrument 70, as shown in Fig. 1 or Fig. 3, so that the interlude of this first and second secondary string of a musical instrument 71,72 is up dialled the position moved to higher than this rocket body 11, and be unlikely to hinder this rocket body 11 to launch.In addition, in this preferred embodiment, those bars 21,22 of manipulating the strings are fixed on bow, but are not limited thereto, and it also can be fixed on this gun stock body 1, make it not hinder the transmitting of this rocket body 11 as long as can push this two secondary string of a musical instrument 71,72 aside.
Two assembly pulleys 5,6 that it should be noted that present pre-ferred embodiments are in addition all eccentric group, namely adopt double eccentric wheel group.But, in other example, also can be adopt single eccentric group, namely adopt an idle pulley and an eccentric combination.
As mentioned above, cross bow of the present invention is without the need to such as producing the profile groove that the secondary string of a musical instrument can be allowed to pass through in its gun stock body 1 front end additional processing as prior art, so the thickness of the front end of this gun stock body 1 can be relatively thin, also the collimation of this slideway is not affected, and manufacture comparatively simple, also can reach light-weighted object.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
In sum, the present invention is in structural design, use practicality and cost benefit, meet completely needed for industry development, and the structure disclosed also is have unprecedented innovative structure, there is novelty, creativeness, practicality, meet the regulation of Invention patent requirement, therefore mention application in accordance with the law.
Claims (4)
1. the secondary string of a musical instrument bends higher than the cross of the main string of a musical instrument, it is characterized in that, comprising:
One gun stock body, defines a slideway above it, arrange, and have a trigger below it for a rocket body, for this rocket body of transmitting;
One bow, is located at the front end of this gun stock body;
Two bow arms, are bonded to the two ends of this bow respectively;
Two assembly pulleys, are mounted on the rear end of this two bows arm respectively, and each assembly pulley comprises a main string wheel and is posted by a secondary string wheel of this main string wheel top; And
One bowstring group, comprises a main string of a musical instrument, the one first secondary string of a musical instrument and the one second secondary string of a musical instrument; The two ends of this main string of a musical instrument are set around the main string wheel of this two assembly pulley respectively, and higher than the slideway of this gun stock body; One end of this first secondary string of a musical instrument is set around the secondary string wheel of a wherein assembly pulley, and the other end is fixed on the wheel shaft of another assembly pulley; And one end of this second secondary string of a musical instrument is set around the secondary string wheel of this another assembly pulley, and the other end is fixed on the wheel shaft of this assembly pulley; And the interlude of this first and second secondary string of a musical instrument is all positioned at the top of this main string of a musical instrument.
2. the secondary string of a musical instrument according to claim 1 bends higher than the cross of the main string of a musical instrument, it is characterized in that, at least one of described two assembly pulleys is eccentric group.
3. the secondary string of a musical instrument according to claim 1 bends higher than the cross of the main string of a musical instrument, it is characterized in that, also comprise at least one bar of manipulating the strings, it stretches between this first secondary string of a musical instrument and this main string of a musical instrument, so that the interlude of this first secondary string of a musical instrument is up dialled the height moving to and do not hinder this rocket body to launch.
4. the secondary string of a musical instrument according to claim 3 bends higher than the cross of the main string of a musical instrument, it is characterized in that, described in manipulate the strings one end of bar be connected with this bow, and the other end extands rearward between this first secondary string of a musical instrument and this main string of a musical instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074600.2A CN104896998A (en) | 2014-03-03 | 2014-03-03 | Crossbow with secondary strings higher than main string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074600.2A CN104896998A (en) | 2014-03-03 | 2014-03-03 | Crossbow with secondary strings higher than main string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896998A true CN104896998A (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410074600.2A Pending CN104896998A (en) | 2014-03-03 | 2014-03-03 | Crossbow with secondary strings higher than main string |
Country Status (1)
| Country | Link |
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| CN (1) | CN104896998A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671965A (en) * | 2018-07-03 | 2020-01-10 | 张克宇 | Cross bow with disc-shaped spring |
| CN113959253A (en) * | 2021-11-18 | 2022-01-21 | 山东撼山复合材料科技有限公司 | Cross bow |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076005A (en) * | 1976-08-02 | 1978-02-28 | Hill James H | Archery bow |
| US6792931B1 (en) * | 2003-11-12 | 2004-09-21 | John G. Schaar | Means of increasing mechanical advantage in asynchronous compound bows |
| US20070193568A1 (en) * | 2006-02-21 | 2007-08-23 | Lee Seul-Ki | Compound bow |
| US20100170489A1 (en) * | 2009-01-07 | 2010-07-08 | Precision Shooting Equipment, Inc. | Crossbow Stock Having Lower Floating Rail |
| CN102027310A (en) * | 2008-03-10 | 2011-04-20 | 内克普卢斯乌尔特拉有限公司 | Device for launching a bolt or a launch object in general |
-
2014
- 2014-03-03 CN CN201410074600.2A patent/CN104896998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076005A (en) * | 1976-08-02 | 1978-02-28 | Hill James H | Archery bow |
| US6792931B1 (en) * | 2003-11-12 | 2004-09-21 | John G. Schaar | Means of increasing mechanical advantage in asynchronous compound bows |
| US20070193568A1 (en) * | 2006-02-21 | 2007-08-23 | Lee Seul-Ki | Compound bow |
| CN102027310A (en) * | 2008-03-10 | 2011-04-20 | 内克普卢斯乌尔特拉有限公司 | Device for launching a bolt or a launch object in general |
| US20100170489A1 (en) * | 2009-01-07 | 2010-07-08 | Precision Shooting Equipment, Inc. | Crossbow Stock Having Lower Floating Rail |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671965A (en) * | 2018-07-03 | 2020-01-10 | 张克宇 | Cross bow with disc-shaped spring |
| CN113959253A (en) * | 2021-11-18 | 2022-01-21 | 山东撼山复合材料科技有限公司 | Cross bow |
| CN113959253B (en) * | 2021-11-18 | 2023-01-24 | 山东撼山复合材料科技有限公司 | Cross bow |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |