CN201407954Y - Eccentric wheel set for composite bow - Google Patents
Eccentric wheel set for composite bow Download PDFInfo
- Publication number
- CN201407954Y CN201407954Y CN2009203024407U CN200920302440U CN201407954Y CN 201407954 Y CN201407954 Y CN 201407954Y CN 2009203024407 U CN2009203024407 U CN 2009203024407U CN 200920302440 U CN200920302440 U CN 200920302440U CN 201407954 Y CN201407954 Y CN 201407954Y
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- Prior art keywords
- string
- wheel
- main
- main string
- hanging column
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- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B5/00—Bows; Crossbows
- F41B5/10—Compound bows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B5/00—Bows; Crossbows
- F41B5/10—Compound bows
- F41B5/105—Cams or pulleys for compound bows
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The utility model discloses an eccentric wheel set for a composite bow, which comprises two main chord wheels, two auxiliary chord wheels, a main chord, two subchords, two wheel axles and four bearings; the main chord wheels are provided with a main chord wheel axle pile, a subchord guide groove, a main chord wheel groove, a main chord guide groove, a main chord hanging column, a central subchordhanging column, a subchord transition positioning block, a side subchord hanging column and a positioning screw hole; the auxiliary chord wheels are provided with a central hole, an auxiliary chord wheel groove, a pulling-distance adjustment positioning hole, a positioning screw through groove and a subchord hanging column limit groove, wherein the auxiliary chord wheels are sleeved on the main chord wheel axle pile of the main chord wheels through the central hole and are fixedly connected through fixing screws; and the both ends of the main chord are respectively connected with the two mainchord hanging column and the both ends of the subchords are respectively connected with the central subchord hanging colum and the side subchord hanging column. After the utility model is installed toform a composite bow, the deformation of the bow limb is smaller, the service life of the bow limb is greatly prolonged and the vibration of the integral structure of the composite bow is reduced.
Description
Technical field
The utility model relates to a kind of archery equipment, specifically relates to a kind of laminated bow eccentric group.
Background technology
Laminated bow mainly by grip handle, sheet is connected holder, arculae, eccentric group forms, grip handle is connected with arculae by sheet is connected to hold in the palm, eccentric group comprises main string wheel, secondary string wheel, main string, secondary string, bearing and wheel shaft, eccentric group is connected with arculae by wheel shaft.At present, the eccentric group of laminated bow adopts the design of whole wheels mostly, promptly main string wheel is taken turns opposing one with secondary string, main string is connected and fixed main string wheel, and secondary string is connected and fixed secondary string wheel, or secondary string one end connects main string wheel, the other end is fixed by wheel shaft, such structure can cause the crooked excessive of arculae on the one hand, produces torsion, reduces the service life of arculae; Can only set single drawing mostly on the other hand, or have only the corresponding module of replacing to change and draw apart from scope apart from length.These problems are to manufacturer, bring inconvenience in the face of the market demand undoubtedly, can only determine that difference draws the corresponding module of distance according to order demand body; Various uncertain factors to the user more can be brought insurmountable problem.
The utility model content
The purpose of this utility model provides and a kind ofly makes arculae flexural deformation less in the process of drawing, and arculae is longer service life, the laminated bow eccentric group that the integrally-built vibration of laminated bow is less.
For achieving the above object, the utility model is taked following design:
A kind of laminated bow eccentric group is characterized in that it comprises: two identical symmetrically arranged main string wheels of shape, two identical symmetrically arranged secondary string wheels of shape, a main string, two secondary string, two wheel shafts and four bearings that length is identical;
Described main string wheel is for tabular, its middle part is in the positive main string wheel shaft stake with semicylinder shape of protrusion of main string wheel, be positioned at the secondary string string hanging column in center on described main string wheel shaft stake next door, be positioned at described main string and take turns the secondary string transition locating piece and the secondary string string hanging column of side of edge, the described main string wheel shaft stake outside has secondary string and leads the string groove, the stake of described main string wheel shaft is provided with dead eye, the stake of described main string wheel shaft is connected with wheel shaft by bearing, described main string wheel side has main string race, the described main string wheel back side has main string guide recess, described main string is taken turns in main string guide recess place has main string string hanging column, and described main string is taken turns also to have and is used to adjust positioning screw hole and the secondary string wheel fixing threaded hole that draws distance;
Described secondary string wheel is for tabular, described secondary string wheel middle part has the centre bore that matches with the main string wheel shaft stake of described main string wheel, the described secondary string wheel outside has secondary string race, described secondary string race has straightway and curved section, described secondary string wheel also has the distance of drawing and adjusts locating hole and fixed screw groove, described central hole is provided with secondary string string hanging column stopper slot, and described secondary string wheel is located at by its center borehole jack in the main string wheel shaft stake of described main string wheel and is fixedly connected by fixed screw;
The main string race that two described main string wheels are walked around at the two ends of described main string respectively is connected with the main string string hanging column of described main string wheel, two secondary strings become to be symmetrical arranged, one end of secondary string is connected on the secondary string string hanging column in center of a main string wheel, and the other end is walked around and is connected with the secondary string string hanging column of side after secondary string is led the secondary string transition locating piece of string groove and another main string wheel.
On the described secondary string wheel to draw apart from adjusting locating hole quantity be 2 ~ 12.
Distance between the straightway bottom surface of described secondary string race and the center line of described centre bore is greater than the radius of described centre bore.
Has the gap between the secondary string string hanging column of secondary string between the secondary string string hanging column of stake of described main string wheel shaft and described side and described center.
The utility model has the advantages that:
1, the utility model laminated bow eccentric group, it comprises: two identical symmetrically arranged main string wheels of shape, two identical symmetrically arranged secondary string wheels of shape, a main string, two secondary string, two wheel shafts and four bearings that length is identical; Main string wheel is for tabular, its middle part is in the positive main string wheel shaft stake with semicylinder shape of protrusion of main string wheel, be positioned at the secondary string string hanging column in center on main string wheel shaft stake next door, be positioned at main string and take turns the secondary string transition locating piece and the secondary string string hanging column of side of edge, the main string wheel shaft stake outside has secondary string and leads the string groove, the stake of main string wheel shaft is provided with dead eye, main string wheel shaft pile center is equipped with bearing and wheel shaft, main string wheel side has main string race, the main string wheel back side has main string guide recess, main string is taken turns in main string guide recess place has main string string hanging column, and main string is taken turns also to have and is used to adjust positioning screw hole and the secondary string wheel fixing threaded hole that draws distance; Secondary string wheel is for tabular, secondary string wheel middle part has the centre bore that matches with the main string wheel jack-post of main string wheel, the secondary string wheel outside has secondary string race, secondary string race has straightway and curved section, secondary string wheel also has the distance of drawing and adjusts locating hole and fixed screw groove, central hole is provided with secondary string string hanging column stopper slot, and secondary string wheel is located at by its center borehole jack in the main string wheel shaft stake of main string wheel and is fixedly connected by fixed screw; The main string race that two main string wheels are walked around at the two ends of main string respectively is connected with the main string string hanging column of a main string wheel, two secondary strings become to be symmetrical arranged, one end of secondary string is connected on the secondary string string hanging column in center of a main string wheel, and the other end is connected with the secondary string string hanging column of side after walking around the secondary string transition locating piece of leading string groove and another main string wheel.After the utility model is installed and is formed laminated bow, main string and secondary string are the relation of braking mutually, drawing process master string acts on eccentric group and makes eccentric group rotation, secondary string is corresponding unfolds yielding, thereby realize that the arculae distortion is less, the service life of arculae is longer, and the integrally-built vibration of laminated bow is less.
2, the utility model laminated bow eccentric group, on the wherein secondary string wheel to draw apart from adjusting locating hole quantity be 2 ~ 12, thereby can the maximum magnitude adjustment draw apart from scope, simple and easy to do, it is wide to be suitable for archery colony scope, is easy to popularize.
3, the utility model laminated bow eccentric group, wherein, the distance between the straightway bottom surface of secondary string race and the center line of centre bore is greater than the radius of centre bore.Like this, bow and arrow can obtain bigger acceleration in the use.
4, the utility model laminated bow eccentric group wherein, has the gap between the secondary string string hanging column of secondary string between the secondary string string hanging column of stake of main string wheel shaft and side and center.Like this, secondary string when drawing between the secondary string string hanging column of wheel shaft stake of master's string and side can not stop and draws because of compressing the secondary string string hanging column in center, and draw the secondary string that the secondary string in back leans against the stake of main string wheel shaft and lead on the string groove, can realize that main string, secondary string brake mutually, can effectively control the pulling force after drawing again.
Description of drawings
Fig. 1 is the structural representation of the utility model before drawing
Fig. 2 is the right TV structure schematic diagram of Fig. 1
Fig. 3 is the structural representation of the utility model after drawing
Fig. 4 is the right TV structure schematic diagram of Fig. 2
Fig. 5 is a secondary string wheel construction schematic diagram in the utility model
Fig. 6 is the structural representation of looking up of Fig. 5
Fig. 7 is the left TV structure schematic diagram of Fig. 5
Fig. 8 is the main string wheel construction schematic diagram in the utility model
Fig. 9 is the backsight structural representation of Fig. 8
Figure 10 is the structural representation of looking up of Fig. 8
Figure 11 is the left TV structure schematic diagram of Fig. 8
The specific embodiment
For ease of the further purpose means of understanding the present invention, attached now with preferred embodiment figure detailed description as back:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, shown in Figure 11, the utility model laminated bow eccentric group, it comprises: the main string of 2, one on the identical symmetrically arranged secondary string wheel of 1, two shape of the identical symmetrically arranged main string wheel of two shapes 3, two secondary strings that length is identical 4, two wheel shafts 5 and four bearings 6;
The main string race 10 that two main string wheels 1 are walked around at the two ends of main string 3 respectively is connected with the main string string hanging column 12 of main string wheel, two secondary strings are symmetrical arranged for 4 one-tenth, one end of secondary string 4 is connected on the secondary string string hanging column 13 in center of a main string wheel 1, and the other end is walked around and is connected with the secondary string string hanging column 15 of side after secondary string is led the secondary string transition locating piece 14 of string groove 8 and another main string wheel.
On the secondary string wheel 2 to draw apart from adjusting locating hole 19 quantity be 2 or 6 or 12.
Distance between the straightway bottom surface of secondary string race 18 and the center line of centre bore 17 is greater than the radius of centre bore 17.
Has the gap between the secondary string string hanging column 13 of secondary string between the secondary string string hanging column 15 of stake 7 of main string wheel shaft and side and center.
Claims (4)
1. a laminated bow eccentric group is characterized in that it comprises: two identical symmetrically arranged main string wheels of shape, two identical symmetrically arranged secondary string wheels of shape, a main string, two secondary string, two wheel shafts and four bearings that length is identical;
Described main string wheel is for tabular, its middle part is in the positive main string wheel shaft stake with semicylinder shape of protrusion of main string wheel, be positioned at the secondary string string hanging column in center on described main string wheel shaft stake next door, be positioned at described main string and take turns the secondary string transition locating piece and the secondary string string hanging column of side of edge, the described main string wheel shaft stake outside has secondary string and leads the string groove, the stake of described main string wheel shaft is provided with dead eye, the stake of described main string wheel shaft is connected with wheel shaft by bearing, described main string wheel side has main string race, the described main string wheel back side has main string guide recess, described main string is taken turns in main string guide recess place has main string string hanging column, and described main string is taken turns also to have and is used to adjust positioning screw hole and the secondary string wheel fixing threaded hole that draws distance;
Described secondary string wheel is for tabular, described secondary string wheel middle part has the centre bore that matches with the main string wheel shaft stake of described main string wheel, the described secondary string wheel outside has secondary string race, described secondary string race has straightway and curved section, described secondary string wheel also has the distance of drawing and adjusts locating hole and fixed screw groove, described central hole is provided with secondary string string hanging column stopper slot, and described secondary string wheel is located at by its center borehole jack in the main string wheel shaft stake of described main string wheel and is fixedly connected by fixed screw;
The main string race that two described main string wheels are walked around at the two ends of described main string respectively is connected with the main string string hanging column of described main string wheel, two secondary strings become to be symmetrical arranged, one end of secondary string is connected on the secondary string string hanging column in center of a main string wheel, and the other end is walked around and is connected with the secondary string string hanging column of side after secondary string is led the secondary string transition locating piece of string groove and another main string wheel.
2. laminated bow eccentric group as claimed in claim 1 is characterized in that, on the described secondary string wheel to draw apart from adjusting locating hole quantity be 2 ~ 12.
3. laminated bow eccentric group as claimed in claim 1 or 2 is characterized in that, the distance between the straightway bottom surface of described secondary string race and the center line of described centre bore is greater than the radius of described centre bore.
4. laminated bow eccentric group as claimed in claim 1 or 2 is characterized in that, has the gap between the secondary string string hanging column of secondary string between the secondary string string hanging column of stake of described main string wheel shaft and described side and described center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203024407U CN201407954Y (en) | 2009-04-22 | 2009-04-22 | Eccentric wheel set for composite bow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203024407U CN201407954Y (en) | 2009-04-22 | 2009-04-22 | Eccentric wheel set for composite bow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407954Y true CN201407954Y (en) | 2010-02-17 |
Family
ID=41678889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203024407U Expired - Fee Related CN201407954Y (en) | 2009-04-22 | 2009-04-22 | Eccentric wheel set for composite bow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407954Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976921A (en) * | 2014-04-08 | 2015-10-14 | 保联企业股份有限公司 | Bow and arrow device |
| CN105185354A (en) * | 2015-09-25 | 2015-12-23 | 宜昌金宝乐器制造有限公司 | Grand piano resonance plate |
| CN105627820A (en) * | 2014-11-26 | 2016-06-01 | 马修A·迈克佛森 | Compound Bow with Offset Synchronizer |
| WO2025073126A1 (en) * | 2023-10-07 | 2025-04-10 | 俞淇桐 | Composite bow |
-
2009
- 2009-04-22 CN CN2009203024407U patent/CN201407954Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976921A (en) * | 2014-04-08 | 2015-10-14 | 保联企业股份有限公司 | Bow and arrow device |
| CN105627820A (en) * | 2014-11-26 | 2016-06-01 | 马修A·迈克佛森 | Compound Bow with Offset Synchronizer |
| CN105185354A (en) * | 2015-09-25 | 2015-12-23 | 宜昌金宝乐器制造有限公司 | Grand piano resonance plate |
| CN105185354B (en) * | 2015-09-25 | 2019-05-28 | 宜昌金宝乐器制造有限公司 | A kind of grand piano sympathetic response disk |
| WO2025073126A1 (en) * | 2023-10-07 | 2025-04-10 | 俞淇桐 | Composite bow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20120422 |