WO2005113080A1 - Flechette - Google Patents
Flechette Download PDFInfo
- Publication number
- WO2005113080A1 WO2005113080A1 PCT/CN2005/000106 CN2005000106W WO2005113080A1 WO 2005113080 A1 WO2005113080 A1 WO 2005113080A1 CN 2005000106 W CN2005000106 W CN 2005000106W WO 2005113080 A1 WO2005113080 A1 WO 2005113080A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dart
- weight body
- inner cavity
- weight
- rod
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B6/00—Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns
- F42B6/003—Darts
Definitions
- the invention belongs to recreational sports fitness equipment, and particularly relates to an improved dart structure of a dart apparatus.
- Dart equipment is an entertainment type of sports fitness equipment, which includes darts and dart targets.
- the darts are thrown by the user's hand.
- the dart targets are usually hung on the wall as targets for darts throwing.
- Several targets are marked on the dart target. Throwing zones, also called counting zones, each throwing zone is marked with a different point value. When people entertain a dartboard, they throw a dart at a dart target to obtain a certain point value.
- the points scored after multiple throws are accumulated to obtain the total score, or scored according to certain game rules, making the activity very entertaining, especially the arm dance when throwing a dart, the activity is on the human arm, shoulder All have good calcination effect, and also have good calcination effect on eyes, so that people can achieve calcination of several parts of the body in entertainment.
- darts equipment is an entertainment type suitable for all ages. Sports fitness equipment.
- the dart structure of the prior art dart apparatus is generally composed of a dart tip, a dart body, a dart rod, and a dart wing. The dart tip, dart body, dart rod, and dart wing are sequentially connected together to form a dart.
- the dart tip When used, The user is holding the dart body for throwing.
- the dart tip is generally made of steel needles because of the need to provide strong penetration.
- the dart body is made of copper material. This is to make the dart's flight path as smooth as possible. It is necessary to make the structure of the dartboard heavier and lighter, that is, the center of gravity should be in front. For this reason, the dart body is usually made of copper material to provide a heavier mass, while the dart rod and wing are made of lighter plastic.
- the dart pole is also made of aluminum material, because the aluminum material is also lighter.
- the entire body of the dart body is made of copper material or high specific gravity alloy, it cannot make the center of gravity more forward, which affects the flight stability of the dart.
- this type of copper uses dart or high specific gravity. Expensive materials such as alloys make the manufacturing costs relatively high, which in turn affects the competitiveness of the product.
- the purpose of the present invention is to overcome the shortcomings of the prior art and provide an improvement in the structure of the dart.
- the center of gravity of the dart can be made more forward, so that the dart has a more stable flying effect when flying in the air; on the other hand, , Can use cheaper materials or less materials without affecting the use of darts Effect, thereby reducing the production cost and improving the competitiveness of the product.
- a dart which includes a dart tip, a dart body, a dart rod, and a dart wing.
- the dart body is a hollow body made of plastic material and is provided with a through cavity.
- the front end of the dart body is fixed with the detachable connection of the dart tip, the rear end of the dart body is fixed or integrated with the detachable connection of the dart rod, the dart wing is sleeved at the tail of the dart rod, and the front end of the inner cavity of the dart body is provided with a weight body having a larger specific gravity than the dart body.
- the weight body is a single structure composed of iron or copper or steel or a high specific gravity alloy material, and the weight body is fixed at the front end of the inner cavity of the dart body.
- the rear part of the weight body fixed on the front end of the inner cavity of the dart body may further be provided with a sliding block slidably sleeved on the inner cavity of the dart body.
- the weight body is a single structure composed of iron or copper or steel or a high specific gravity alloy material, and the weight body can be slidably sleeved at the front end of the inner cavity of the dart body.
- the weight body is a single body structure made of iron or copper or steel or a high specific gravity alloy material, and a magnet may be attached to the front or rear of the weight body.
- the weight body may be a magnetic weight body.
- the inner cavity of the dart body equipped with a weight body may further be provided with a battery and electrical components provided by the battery to emit light and / or sound.
- the weight body is a battery and an electrical component that is powered by the battery to emit light and / or sound.
- the dart body is provided with a coil therein.
- the inner cavity of the dart body is slidably sleeved with a magnetic weight body, and the coil is connected to the light emitting body.
- the dart tip is still made of steel needles, so that the dart can continue to maintain a strong penetrating power.
- the dart rod and wing are still made of plastic.
- the dart wing is made of plastic sheet, and the dart rod is made of plastic.
- the dart rod can also be made of aluminum.
- the advantage of using plastic to make a dart rod is that it can be made together with the dart body by injection molding.
- the dart body does not use traditional copper or tall It is made of specific gravity alloy, but is made of plastic injection molding. After molding, the dart body has a hollow inner cavity.
- the front end of the dart body is still fixed with the detachable connection of the dart tip, and the rear end of the dart body is fixed or integrated with the detachable connection of the dart rod.
- the dart wing is still set on the tail of the dart rod, and a weight body is provided at the front end of the inner cavity of the dart body.
- the weight body can be iron or copper or steel or high specific gravity alloy material.
- the unitary structure formed is fixed at the front end of the inner cavity of the dart body. In this way, the center of gravity of the dart can be better positioned in front, and such a front-heavy dart can be produced. Plus stable flight effect, so that entertainment can be more Make good use of throwing skills.
- This weight body can be directly fixed at the front end of the inner cavity of the dart body; it can also be sleeved on the inner cavity of the dart body freely.
- the impact causes the dart to strike the dart tip again under the impact of the sliding weight body after it hits the target surface, thereby making the dart deeper into the target surface, obtaining a more stable effect and reducing the probability of dropping the target.
- the dart can also be transformed into a magnetic dart.
- the magnetic body is used as the weight body in the inner cavity of the dart body, and the dart tip in contact with it is also magnetic.
- the other is to attract a magnet before or after the weight body, so that the magnetic conduction to the dart tip becomes Magnetic dart;
- the dart can also be transformed into a dart with sound and light effects, which is derived from the use of the inner cavity of the dart body.
- One is to emit light by the battery and the energy provided by the battery.
- / or sounding electrical components are installed in the front of the inner cavity of the dart body as a weight body, and the other is after the weight body is installed, then the battery is installed and the battery provides energy to emit light and / or sound. Therefore, the dart can also emit light and / or sound; a coil can be installed on the dart body, and a magnetic weight body can be slid into the inner cavity of the dart body.
- the magnetic weight body when the magnetic weight body is shot into the dart target When sliding forward, the magnetic lines of force of the magnetic weight body will cut the coil to generate electromotive force, so that it can replace the battery and provide electrical energy to the electrical components that can emit light and / or sound, so that the dart has an acousto-optic effect.
- the beneficial effect of the present invention is that a hollow body made of plastic material is used to form the dart body, and a weight body is provided at the front end of the inner cavity of the dart body, on the one hand, the center of gravity of the dart can be made more forward, so that Make darts have a more stable flying effect when flying in the air.
- cheaper materials or less materials can be used without affecting the use of darts, which reduces the production cost and improves the competitiveness of the product.
- the dart body has an inner cavity, it can make full use of its internal cavity to transform the dart, such as the magnetic object to make it become a magnetic dart, the battery can achieve sound and light effects, etc., can also be installed in the inner cavity of the dart body Into the sliding block to increase the impact on the dart tip makes the dart more firmly penetrate the target surface and reduce the chance of falling off the target.
- FIG. 1 is a structural diagram of the present invention
- FIG. 2 is a structural sectional view of Embodiment 1 of the present invention: 3 is a schematic structural diagram of Embodiment 2 of the present invention;
- Embodiment 3 of the present invention is a schematic structural diagram of Embodiment 3 of the present invention.
- a dart of the present invention includes a dart tip 1, a dart body 2, a dart rod 3, a dart wing 4, and the dart body 2 is a hollow body made of plastic material.
- a through cavity 21 is provided, the front end of the dart body 2 is fixed with the detachable connection of the dart tip 1, the rear end of the dart body 2 is fixed with the detachable connection of the dart rod 3 or it may be integrally formed, and the dart wing 4 is set on the dart rod.
- the front end of the inner cavity 21 of the dart body 2 is provided with a weight body 5.
- the weight body 5 is a single structure composed of iron or copper or steel or a high specific gravity alloy material.
- the weight body 5 is fixed to the front end of the inner cavity 21 of the dart body 2.
- the dart tip 1 is still made of steel needles, so that the dart can continue to maintain a strong penetration force.
- the dart rod 3 and wing 4 are still made of plastic, and the dart wing 4 is a plastic sheet.
- the dart rod 3 is a plastic rod.
- the dart rod 3 can also be made of aluminum material.
- the advantage of the dart rod 3 made of plastic is that it can be made with the dart body 2 in one injection molding process.
- the dart body 2 Plastic injection molding, the dart body 2 has a hollow inner cavity 21, the front end of the dart body 2 is still fixed with the detachable connection of the dart tip 1, and the rear end of the dart body 2 is fixed with the detachable connection of the dart rod 3.
- the dart wing 4 is still set on the tail of the dart rod 3, and a weight body 5 is provided at the front end of the inner cavity 21 of the dart body 2, which is an important improvement of the present invention.
- the weight body 5 can be iron or copper
- a single structure made of steel or a high specific gravity alloy material is fixed at the front end of the inner cavity 21 of the stern body 2, so that the center of gravity of the dart can be better positioned at the front.
- This dart with a light weight and a light weight Can produce more stability The flight effect is determined so that the entertainer can better use his throwing skills.
- the second embodiment is different from the first embodiment in that: the inner cavity 21 of the dart body 2 is fixedly added with a weight body 5 and then a sliding block 6 is added, so that the center of gravity can be ensured.
- the stability of the dart penetrating into the target surface is increased on the basis of the front; the dart can also be transformed into a magnetic dart, one is to directly use a magnetic body as the weight body at the inner cavity of the dart body, and the dart tip 1 that is in contact with it With magnetism, the other is to attract a magnet at the front or back of the weight body 5 so that the magnetism is conducted to the dart tip 1 to become a magnetic dart.
- Embodiment 3 As shown in FIG. 4, for a dart that can emit light, a coil 7 is fixed in the cavity 21 of the dart body 2, and a magnetic weight body 8 and a coil 7 are slid into the cavity 21 of the dart body 2. A luminous body is connected; in this case, when the magnetic weight body 8 slides forward at the moment when the dart hits the dart target, the magnetic weight body 8 The magnetic lines of force will cut the coil 7 to generate an electromotive force in the coil 7, thereby providing electrical energy to the electrical components that can emit light and / or sound, so that the dart has an acousto-optic effect.
- the present invention can also be used as a weight body in which a battery and electrical components provided by the battery to emit light and / or sound are used as a weight body, and the other is after the weight body 5 is installed, and then A battery and an electrical component that emits light and / or sound are provided by the battery, so that the dart can also emit light and / or sound.
- the dart body is made of light-transmitting material.
- a hollow body made of plastic material is used to constitute the dart body 2 and a weight body 5 is provided at the front end of the inner cavity 21 of the dart body 2, the aspect of the dart can be further advanced, thereby making the dart It has a more stable flight effect when flying in the air.
- cheaper materials or less materials can be used without affecting the use of darts, thereby reducing the production cost and increasing the competitiveness of the product;
- the dart body 2 is provided with an inner cavity 21, the dart can be fully utilized to transform the dart, such as loading a magnetic object to make it a magnetic dart, inserting a battery to achieve sound and light effects, etc.
- a sliding block is inserted into the inner cavity 21 to increase the impact on the dart tip so that the dart can penetrate the target surface more firmly and reduce the probability of the target being dropped.
- the dart body of the dart of the present invention is a hollow body made of plastic material.
- the front end of the dart body is detachably fixed with the dart tip, the rear end of the dart body is connected with the dart rod, the dart wing is set at the tail of the dart rod, and the inner cavity of the dart body
- the front end is provided with a weight body having a specific gravity larger than that of the dart body.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2004200408031U CN2699954Y (zh) | 2004-05-20 | 2004-05-20 | 一种飞镖器械 |
CN200420040803.1 | 2004-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005113080A1 true WO2005113080A1 (fr) | 2005-12-01 |
Family
ID=34774455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2005/000106 WO2005113080A1 (fr) | 2004-05-20 | 2005-01-25 | Flechette |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN2699954Y (zh) |
WO (1) | WO2005113080A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2204633A2 (en) * | 2008-12-31 | 2010-07-07 | Chia-Ching Tsai | Dart barrel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110384908A (zh) * | 2019-06-05 | 2019-10-29 | 攀枝花市力天工贸有限责任公司 | 一种掷远飞镖加工工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2167744Y (zh) * | 1993-07-19 | 1994-06-08 | 黄秉聪 | 可调整配重及重心的飞镖 |
DE29608368U1 (de) * | 1996-05-10 | 1997-09-11 | Cuno Melcher Kg Me-Sportwaffen, 42699 Solingen | Dartpfeil |
DE19830125A1 (de) * | 1998-07-06 | 1999-05-12 | Alfred Merle | Griffstück für einen Dart |
US6585612B1 (en) * | 1997-09-13 | 2003-07-01 | Jochen Weissmann | Throw dart |
-
2004
- 2004-05-20 CN CNU2004200408031U patent/CN2699954Y/zh not_active Expired - Fee Related
-
2005
- 2005-01-25 WO PCT/CN2005/000106 patent/WO2005113080A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2167744Y (zh) * | 1993-07-19 | 1994-06-08 | 黄秉聪 | 可调整配重及重心的飞镖 |
DE29608368U1 (de) * | 1996-05-10 | 1997-09-11 | Cuno Melcher Kg Me-Sportwaffen, 42699 Solingen | Dartpfeil |
US6585612B1 (en) * | 1997-09-13 | 2003-07-01 | Jochen Weissmann | Throw dart |
DE19830125A1 (de) * | 1998-07-06 | 1999-05-12 | Alfred Merle | Griffstück für einen Dart |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2204633A2 (en) * | 2008-12-31 | 2010-07-07 | Chia-Ching Tsai | Dart barrel |
EP2204633A3 (en) * | 2008-12-31 | 2011-03-23 | Chia-Ching Tsai | Dart barrel |
Also Published As
Publication number | Publication date |
---|---|
CN2699954Y (zh) | 2005-05-18 |
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