WO2020063149A1 - Fléchette à nervure de renfort - Google Patents

Fléchette à nervure de renfort Download PDF

Info

Publication number
WO2020063149A1
WO2020063149A1 PCT/CN2019/100323 CN2019100323W WO2020063149A1 WO 2020063149 A1 WO2020063149 A1 WO 2020063149A1 CN 2019100323 W CN2019100323 W CN 2019100323W WO 2020063149 A1 WO2020063149 A1 WO 2020063149A1
Authority
WO
WIPO (PCT)
Prior art keywords
dart
reinforced
bone
reinforcing
threaded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/100323
Other languages
English (en)
Chinese (zh)
Inventor
陈档财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2020063149A1 publication Critical patent/WO2020063149A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B65/00—Implements for throwing  ; Mechanical projectors, e.g. using spring force
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B65/00—Implements for throwing  ; Mechanical projectors, e.g. using spring force
    • A63B65/02—Spears or the like ; Javelins
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B65/00—Implements for throwing  ; Mechanical projectors, e.g. using spring force
    • A63B65/08—Boomerangs ; Throwing apparatus therefor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F9/00—Games not otherwise provided for
    • A63F9/02—Shooting or hurling games

Definitions

  • the invention relates to a dart in dart movement, and in particular to a dart provided with a reinforcing bone.
  • darts are particularly suitable for the fast-paced and stressed-out people in modern cities.
  • it is fun, antagonistic, and entertaining, and it is not limited by age, gender, body, venue, climate and other conditions, it is applicable to a wide range of occasions.
  • darts are favored by white-collar workers and office workers. It is called the three most popular sports and leisure sports by people with billiards and bowling.
  • Dart training trains people's attention, coordination, ingenuity, especially psychological quality.
  • darts has become professional, with professional associations, professional competitions, and a large number of professional athletes. With the popularization and professionalization of darts, users have higher requirements on the quality and practicability of darts.
  • dart bodies Most of the existing dart structures include a dart body, a dart rod connected to the dart body, a tail wing provided on the dart rod, and a dart head provided on the dart body.
  • the dart body and the dart rod It is connected by a thread structure.
  • the dart body is provided with a thread groove.
  • the dart rod is provided with a threaded column.
  • the threaded column cooperates with the thread groove.
  • the dart body is generally made of metal and the dart rod is generally made of plastic. Impact or other external forces make the connection between the threaded column and the dart shaft extremely easy to break.
  • the technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art, and to provide a dart with a high structural strength and a reinforced bone.
  • the main technical solution adopted by the dart with a reinforced bone provided according to the present invention includes: a dart body, a dart rod connected to the dart body, a tail wing provided on the dart rod, and a dart provided on the dart body.
  • Head the dart body is provided with a threaded slot
  • the dart rod is provided with a threaded column
  • the threaded slot cooperates with the threaded column
  • the dart rod is provided with a reinforced bone
  • the reinforced bone is located in the section
  • the other part of the dart bar is located in the threaded post.
  • One end of the reinforcing bone is located in the dart bar, and the other end penetrates the threaded post.
  • the reinforcing bone penetrates the dart shaft and the threaded post.
  • the reinforcing bone is embedded in the dart shaft and the threaded post.
  • a first reinforcement channel is provided in the threaded column, a second reinforcement channel is provided in the dart shaft, the first reinforcement channel is in communication with the second reinforcement channel, and one end of the reinforcement bone is located in the first reinforcement. In the channel, the other end of the reinforced bone is located in the second reinforced channel.
  • the length of the reinforced bone is equal to the sum of the lengths of the first reinforced channel and the second reinforced channel.
  • the first reinforcing channel runs through the threaded post.
  • the reinforcing bone includes a reinforcing column, a penetrating portion provided at one end of the reinforcing column, and a pressing portion provided at the other end of the reinforcing column.
  • the threaded column is provided with an accommodation groove, the accommodation groove is in communication with the first reinforcing channel, and the pressing portion is located in the accommodation groove.
  • the reinforcing bone is an iron nail.
  • the reinforcing bone is made of any one of carbon fiber, metal, and alloy.
  • the reinforcing bone is a hollow reinforcing bone or a solid reinforcing bone.
  • It also includes an elastic member, which is located between the threaded post and the threaded slot, one end of the elastic member abuts against the threaded post, and the other end of the elastic member abuts against the threaded slot.
  • the dart provided with reinforced bone according to the present invention has the following advantages:
  • the structure of the present invention is simple and the processing is convenient.
  • the mechanism between the dart shaft and the threaded post is greatly improved.
  • the strength avoids the awkward situation that the threaded column and the dart bar break during the use of the invention, and prolongs the service life of the invention.
  • FIG. 1 is an exploded view of the structure of the first embodiment of the present invention.
  • FIG. 2 is a structural diagram of a dart body and a dart head after being assembled in the first embodiment of the present invention.
  • FIG. 3 is a top view of the first embodiment of the present invention.
  • Fig. 4 is a sectional view taken along A-A in Fig. 3.
  • FIG. 5 is a cross-sectional view of a dart shaft and a tail wing assembled in Embodiment 1 of the present invention.
  • FIG. 6 is a structural diagram of a reinforced bone in Embodiment 1 of the present invention.
  • FIG. 7 is a structural diagram of the first embodiment of the present invention.
  • FIG. 8 is an exploded view of the third embodiment of the present invention.
  • FIG. 9 is a sectional view of a third embodiment of the present invention.
  • an embodiment of a dart provided with a reinforcing bone 5 includes a dart body 1, a dart rod connected to the dart body 1, and a tail wing 3 provided on the dart rod 2. And a dart head 4 provided on the dart body 1, the dart body 1 is provided with a thread groove 11, the dart rod 2 is provided with a threaded post 21, and the threaded groove 11 cooperates with the threaded post 21, A reinforcing bone 5 is provided in the dart shaft 2. One section of the reinforcing bone 5 is located in the dart shaft 2, and the other section is located in the threaded column 21.
  • the invention has a simple structure and convenient processing.
  • the reinforcing bone 5 is embedded in the dart shaft 2 and the threaded column 21.
  • the injection molding process can be used to embed the reinforcing bone 5 in the dart rod 2 and the threaded column 21, and the product has a good molding effect.
  • the mechanical strength between the dart bars 2 is higher.
  • one end of the reinforcing bone 5 is located in the dart shaft 2, and the other end thereof penetrates the threaded column 21.
  • the reinforcing bone 5 can be located in the dart rod 2 at one end and penetrate the threaded column 21 at the other end.
  • the reinforcing bone 5 can be inserted from one end of the threaded column 21, which is convenient for production and has high assembly efficiency. .
  • the threaded column 21 is provided with a first reinforcement channel 22, and the dart rod 2 is provided with a second reinforcement channel 23.
  • the first reinforcement channel 22 In communication with the second reinforcement channel 23, one end of the reinforcement bone 5 is located in the first reinforcement channel 22, and the other end of the reinforcement bone 5 is located in the second reinforcement channel 23.
  • the first reinforcing channel 22 passes through the threaded post 21.
  • the reinforcing bone 5 can be inserted from one end of the threaded column 21, and the reinforcing bone 5 penetrates the first reinforcing channel 22 and enters the second reinforcing channel 23 in sequence.
  • the dart bar 2 of this structure is convenient to process and has high assembly efficiency.
  • the length of the reinforcing bone 5 is equal to the sum of the lengths of the first reinforcing channel 22 and the second reinforcing channel 23.
  • the reinforcing bone 5 includes a reinforcing post 51, a penetrating portion 52 provided at one end of the reinforcing post 51, and a pressing portion provided at the other end of the reinforcing post 51. 53.
  • the penetrating portion 52 is a tapered structure
  • the pressing portion 53 is a disc-like structure.
  • the inner diameter of the channel 23 is slightly smaller than the outer diameter of the reinforcing column.
  • the penetration portion 52 of the tapered structure helps reduce the resistance when the reinforcing bone 5 is inserted, and the pressing portion 53 of the disc-shaped structure can expand the force when pushing the pressing portion 53.
  • the area is convenient for the accurate and rapid insertion of the reinforcing bone 5 into the first reinforcing channel 22 and the second reinforcing channel 23. This kind of reinforcing bone 5 has a simple structure, convenient assembly, and low production cost.
  • the threaded column 21 is provided with an accommodation groove 24, the accommodation groove 24 communicates with the first reinforcement channel 22, and the pressing portion is located at ⁇ ⁇ ⁇ ⁇ 24 ⁇ Said accommodation slot 24.
  • the end of the threaded column 21 is flatter, and the fitting precision with the dart body 1 is high.
  • the reinforcing bone 5 is an iron nail.
  • the assembly is convenient and the production cost is low. At the same time, it helps to reduce the production process of the dart shaft 2.
  • the reinforcing bone 5 is made of any one of carbon fiber, metal, and alloy.
  • metal iron is preferably used, and iron nails are used as the reinforcing bone 5, which has low production cost and high mechanical strength.
  • the reinforcing bone 5 is a hollow reinforcing bone or a solid reinforcing bone.
  • This embodiment is preferably a solid reinforced bone.
  • the dart shaft 2 and the threaded post 21 are an integrally formed structure. Easy processing and low production cost.
  • the structure of this embodiment is substantially the same as that of the first embodiment, except that the length of the reinforcing bone is different from that of the dart bar and the threaded post, and the reinforced bone runs through the dart bar and the threaded post.
  • This structure allows both sides of the dart shaft and the threaded column connected together to be used as the insertion part of the reinforced bone, which is convenient to process and has high assembly efficiency, and the reinforced bone penetrates the dart shaft, which greatly improves the mechanical strength of the dart shaft itself.
  • This embodiment has the same structure as the first embodiment, except that an elastic member is provided between the threaded column and the thread groove. See FIG. 8 and FIG. 9, and further includes an elastic member 6, which is located on the threaded column 21. Between the elastic member 6 and the threaded groove 11, one end of the elastic member 6 abuts against the threaded post 21, and the other end of the elastic member 6 abuts against the threaded groove 11. The elastic member 6 abuts against the groove bottom of the thread groove 11 instead of the side wall.
  • an elastic member 6 is provided between the threaded column 21 and the threaded slot 11 so that both ends of the elastic member 6 abut against the threaded column 21 and the threaded slot 11 respectively, and the threaded column 21 and the threaded slot 11 are simultaneously subjected to pressure in opposite directions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Multimedia (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne une fléchette ayant une nervure de renfort (5), comprenant un corps de fléchette (1), une tige de fléchette (2) reliée au corps de fléchette (1), une aile de queue (3) disposée sur la tige de fléchette (2), et une tête de fléchette (4) disposée sur le corps de fléchette (1), le corps de fléchette (1) étant muni d'une rainure filetée (11) ; la tige de fléchette (2) étant munie d'un tenon fileté (21) ; la rainure filetée (11) correspondant au tenon fileté (21) ; l'intérieur de la tige de fléchette (2) étant muni d'une nervure de renfort (5) ; un segment de la nervure de renfort (5) étant situé dans la tige de fléchette (2), et l'autre segment de la nervure de renfort étant situé dans le tenon fileté (21). La fléchette dotée de la nervure de renfort (5) présente les avantages suivants : la fléchette est de structure simple et pratique à usiner ; par la présence de la nervure de renfort (5) dans la tige de fléchette (2), la résistance mécanique entre la tige de fléchette (2) et le tenon fileté (21) est considérablement améliorée, la rupture du tenon fileté (21) et de la tige de fléchette (2) est empêchée au cours de l'utilisation de la fléchette, et la durée de vie de la fléchette est prolongée.
PCT/CN2019/100323 2018-09-29 2019-08-13 Fléchette à nervure de renfort Ceased WO2020063149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821600646.3U CN209075982U (zh) 2018-09-29 2018-09-29 一种设有加强骨的飞镖
CN201821600646.3 2018-09-29

Publications (1)

Publication Number Publication Date
WO2020063149A1 true WO2020063149A1 (fr) 2020-04-02

Family

ID=67118141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/100323 Ceased WO2020063149A1 (fr) 2018-09-29 2019-08-13 Fléchette à nervure de renfort

Country Status (2)

Country Link
CN (1) CN209075982U (fr)
WO (1) WO2020063149A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209075982U (zh) * 2018-09-29 2019-07-09 陈档财 一种设有加强骨的飞镖

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539955A (fr) * 1967-08-11 1968-09-20 Hamilton Metal Products Fléchette
US5375850A (en) * 1993-04-22 1994-12-27 Pickett; Michael R. Dart
CN202762020U (zh) * 2012-06-27 2013-03-06 高永强 少儿软式标枪
CN204233707U (zh) * 2014-11-28 2015-04-01 贾立辉 一种软式标枪
CN108905128A (zh) * 2018-09-29 2018-11-30 陈档财 一种插装尾翼的飞镖
CN209075981U (zh) * 2018-09-29 2019-07-09 陈档财 一种插装尾翼的飞镖
CN209075982U (zh) * 2018-09-29 2019-07-09 陈档财 一种设有加强骨的飞镖

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539955A (fr) * 1967-08-11 1968-09-20 Hamilton Metal Products Fléchette
US5375850A (en) * 1993-04-22 1994-12-27 Pickett; Michael R. Dart
CN202762020U (zh) * 2012-06-27 2013-03-06 高永强 少儿软式标枪
CN204233707U (zh) * 2014-11-28 2015-04-01 贾立辉 一种软式标枪
CN108905128A (zh) * 2018-09-29 2018-11-30 陈档财 一种插装尾翼的飞镖
CN209075981U (zh) * 2018-09-29 2019-07-09 陈档财 一种插装尾翼的飞镖
CN209075982U (zh) * 2018-09-29 2019-07-09 陈档财 一种设有加强骨的飞镖

Also Published As

Publication number Publication date
CN209075982U (zh) 2019-07-09

Similar Documents

Publication Publication Date Title
US20230201672A1 (en) Pickle ball
US20140335980A1 (en) Shuttlecock and Manufacturing Method Thereof
US5165686A (en) Wooden baseball bat
CN105377376A (zh) 用于高尔夫球杆的杆身的握把和内部配重系统
KR102606982B1 (ko) 파크골프용 클럽헤드와 샤프트의 결합구조
US1705353A (en) Billiard cue
US20190336831A1 (en) Badminton racket
WO2020063149A1 (fr) Fléchette à nervure de renfort
EP3305376A1 (fr) Raquette
CN213853013U (zh) 一种设有加强连接部的镖翼及使用该镖翼的飞镖
CN210674156U (zh) 一种镖头及使用该镖头的飞镖
US20210060400A1 (en) Artificial Shuttlecock
CN103801063A (zh) 一种电子式儿童用佩剑剑体
US20100160055A1 (en) Replaceable Inlay Pool Cues
CN209075981U (zh) 一种插装尾翼的飞镖
US8591357B1 (en) Helix wood baseball bat
US4709925A (en) Tactile training device for a tennis racket handle
CN108905128A (zh) 一种插装尾翼的飞镖
US2093837A (en) Golf club shaft
CN109395342A (zh) 一种乒乓球拍柄用单元件及其乒乓球拍
US20150116989A1 (en) Lighted Lacrosse Stick Handle
KR102594808B1 (ko) 당구 큐용 연장대
US20250387681A1 (en) Oversized gripping structure for a golf club
CN203763808U (zh) 一种六孔剑球
CN108507421B (zh) 一种尾翼可转动的飞镖

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19864186

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19864186

Country of ref document: EP

Kind code of ref document: A1