CN103486901A - Slingshot and method for fastening tail end - Google Patents
Slingshot and method for fastening tail end Download PDFInfo
- Publication number
- CN103486901A CN103486901A CN201310442199.9A CN201310442199A CN103486901A CN 103486901 A CN103486901 A CN 103486901A CN 201310442199 A CN201310442199 A CN 201310442199A CN 103486901 A CN103486901 A CN 103486901A
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- China
- Prior art keywords
- bellmouth
- stretch cord
- slingshot
- steel ball
- diameter
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Abstract
The invention discloses a slingshot and a method for fastening a tail end, relates to a slingshot athletics tool, and solves the problems that in existing slingshots, elastic strings are easy to break and unattractive after the strings are strapped or tied up. The slingshot comprises a slingshot frame, elastic strings and a sabot. Holes are arranged on two side frame arms of the slingshot frame, one end of the elastic strings penetrates through the holes and is connected with the slingshot frame, and the other end of the elastic strings is connected with the sabot. Conical holes are arranged on two side frame arms of the slingshot frame, and the elastic strings are in a hollow structure and penetrate through the conical holes. A steel ball is further fixed inside the tail end of each elastic string, the diameter of the steel ball is less than the diameter of one end of the large conical hole and is larger than the diameter of one end of the smaller conical hole, and the tail end of each elastic string fixed with the steel ball is fixed in the conical hole. The slingshot is simple in structure, attractive in appearance, simple in connection method, easy to process and manufacture, low in cost, and easy to be popularized.
Description
Technical field
The present invention relates to a kind of sports instrument that launches, be specifically related to catapult and end fastening method thereof.
Background technology
At present, on market, common catapult comprises catapult frame, stretch cord, stretch cord, wherein on the catapult frame, holes, and stretch cord is by tying up or knotting and elasticity shelf are fixed, and bullet drags through knotting or rope and ties up with stretch cord and be connected and fixed.When stretch cord is connected with the catapult frame, be knotting or tie up with rope all should be firm, can make like this stretch cord excessive deformation easy fracture and not attractive in appearance occur.
In order to solve rope that existing catapult exists tie up or tie a knot rear stretch cord easy fracture and inaesthetic disadvantage, be necessary to research and develop a kind of novel catapult.
Summary of the invention
The present invention is in order to solve rope that existing catapult exists tie up or tie a knot rear stretch cord easy fracture and inaesthetic problem, and a kind of catapult is provided.
Another object of the present invention is to provide the end fastening means of above-mentioned catapult.
The present invention is achieved by the following technical solutions:
A kind of catapult, comprise that catapult frame, stretch cord, bullet drag, on the both sides boom of catapult frame, offer porose, one end of stretch cord is connected with the catapult frame through hole, the other end drags and is connected with bullet, the hole of offering on the both sides boom of wherein said catapult frame is bellmouth, described stretch cord is hollow structure, stretch cord is through bellmouth, the terminus inner of stretch cord also is fixed with a steel ball, the diameter of described steel ball is less than the diameter of bellmouth macropore one end, and is greater than the diameter of bellmouth aperture one end, and the end that is fixed with the stretch cord of steel ball is fixed in bellmouth.
Further, the end fastening method of above-mentioned catapult comprises the following steps:
(1) be drilled with bellmouth on the boom of the both sides of catapult frame;
(2) stretch cord of hollow one end is passed to bellmouth, a steel ball is fixed in the inside of the other end, the diameter of described steel ball is less than the diameter of bellmouth macropore one end, and be greater than the diameter of bellmouth aperture one end, then strain stretch cord, an end that makes to be fixed with the stretch cord of steel ball tightly is stuck in bellmouth.
The present invention gets out bellmouth at catapult frame head, hollow stretch cord is passed from small bore end, then place a steel ball that is greater than aperture and is less than macropore toward stretch cord inside, finally stretch cord is furthered toward the aperture direction, the stretch cord after the connection is without the easy fracture and very firm, attractive in appearance etc. of tiing a knot not like this.
Slingshot structure of the present invention is simple, good looking appearance, and method of attachment is simple, is easy to processing and manufacturing, with low cost, is easy to promote.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial enlarged drawing of the present invention;
In figure: 1-catapult frame, 2-stretch cord, 3-bullet drag, 4-bellmouth, 5-steel ball.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Catapult as shown in Figure 1, comprise catapult frame 1, stretch cord 2, bullet drags 3, on the both sides boom of catapult frame 1, offer porose, one end of stretch cord 2 is connected with catapult frame 1 through hole, the other end drags 3 to be connected with bullet, the hole of offering on the both sides boom of wherein said catapult frame 1 is bellmouth 4, described stretch cord 2 is hollow structure, stretch cord 2 is through bellmouth 4, the terminus inner of stretch cord 2 also is fixed with a steel ball 5, the diameter of described steel ball 5 is less than the diameter of bellmouth macropore one end, and be greater than the diameter of bellmouth aperture one end, the end that is fixed with the stretch cord 2 of steel ball 5 is fixed in bellmouth 4.
The end fastening method of above-mentioned catapult comprises the following steps:
(1) be drilled with bellmouth 4 on the boom of the both sides of catapult frame 1;
(2) stretch cord of hollow 2 one ends are passed to bellmouth 4, the inside of the other end is steel ball 5 fixedly, the diameter of described steel ball 5 is less than the diameter of bellmouth 4 macropore one ends, and be greater than the diameter of bellmouth 4 aperture one ends, then strain stretch cord 2, an end that makes to be fixed with the stretch cord 2 of steel ball 5 tightly is stuck in bellmouth 4.
Claims (2)
1. a catapult, comprise catapult frame (1), stretch cord (2), bullet drags (3), on the both sides boom of catapult frame (1), offer porose, one end of stretch cord (2) is connected with catapult frame (1) through hole, the other end drags (3) to be connected with bullet, it is characterized in that, the hole of offering on the both sides boom of described catapult frame (1) is bellmouth (4), described stretch cord (2) is hollow structure, stretch cord (2) is through bellmouth (4), the terminus inner of stretch cord (2) also is fixed with a steel ball (5), the diameter of described steel ball (5) is less than the diameter of bellmouth macropore one end, and be greater than the diameter of bellmouth aperture one end, the end that is fixed with the stretch cord (2) of steel ball (5) is fixed in bellmouth (4).
2. the end fastening method of right 1 described catapult, is characterized in that, comprises the following steps:
(1) be drilled with bellmouth (4) on the both sides boom of catapult frame (1);
(2) stretch cord of hollow (2) one ends are passed to bellmouth (4), the inside of the other end is steel ball (5) fixedly, the diameter of described steel ball (5) is less than the diameter of bellmouth macropore one end, and be greater than the diameter of bellmouth aperture one end, then strain stretch cord (2), an end that makes to be fixed with the stretch cord (2) of steel ball (5) tightly is stuck in bellmouth (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442199.9A CN103486901A (en) | 2013-09-26 | 2013-09-26 | Slingshot and method for fastening tail end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442199.9A CN103486901A (en) | 2013-09-26 | 2013-09-26 | Slingshot and method for fastening tail end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486901A true CN103486901A (en) | 2014-01-01 |
Family
ID=49827322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310442199.9A Pending CN103486901A (en) | 2013-09-26 | 2013-09-26 | Slingshot and method for fastening tail end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486901A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2035106A (en) * | 1978-12-01 | 1980-06-18 | Drennan P | Catapult |
| CN201104160Y (en) * | 2007-11-14 | 2008-08-20 | 宋喜君 | Interesting slingshot |
| CN102252561A (en) * | 2011-07-19 | 2011-11-23 | 沙洲工学院 | Ball clamping slingshot capable of being stretched in multiple directions |
-
2013
- 2013-09-26 CN CN201310442199.9A patent/CN103486901A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2035106A (en) * | 1978-12-01 | 1980-06-18 | Drennan P | Catapult |
| CN201104160Y (en) * | 2007-11-14 | 2008-08-20 | 宋喜君 | Interesting slingshot |
| CN102252561A (en) * | 2011-07-19 | 2011-11-23 | 沙洲工学院 | Ball clamping slingshot capable of being stretched in multiple directions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140101 |