CN218458587U

CN218458587U - Internally-hung steel ball type rotating shaft nunchakus

Info

Publication number: CN218458587U
Application number: CN202221360449.5U
Authority: CN
Inventors: 孙雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-02-10
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a nunchakus technical field just discloses an interior string of steel ball formula pivot nunchakus, including main part mechanism, coupling mechanism, counter weight mechanism and external mechanism, coupling mechanism is located main part mechanism's inside, counter weight mechanism is located main part mechanism's lower extreme, main part mechanism includes the rod body one, rod body two and connecting chain, rod body two movable mounting is in the top of rod body one, connecting chain movable mounting is between rod body one and rod body two. This interior string of steel ball formula pivot nunchakus mainly through the diameter difference in the cylinder hole that steel ball nut one and head were opened for the pivot pole can be fixed and be difficult for deviating from, and the steel ball nut of interior string compares other shape nuts and is nimble more when rotating not have the card pause more, and welding technique or the fixed glue that uses when interior string nut and pivot pole are connected can not become flexible when making pivot pole and interior string nut long-term rotational motion and drop.

Description

Internally-hung steel ball type rotating shaft nunchakus

Technical Field

The utility model relates to a nunchakus technical field specifically is an interior string of steel ball formula pivot nunchakus.

Background

Martial arts sport is the traditional project in China, exercise martial arts both can be body-building and can carry forward the traditional culture in China, wherein most all need the apparatus, just need prepare multiple apparatus when exercise or performance, wherein, the nunchakus has been deeply loved by young people historically, from the strong body to the stage performance, the nunchakus has brought countless enjoyment for people, the nunchakus adopts metal chain or parachute line to connect two wooden sticks or all kinds of materials such as metal rod fixed, make the nunchakus, connect through metal headgear connection steel chain between the rod body of traditional nonmetal nunchakus and the chain connecting piece, metal headgear fixes on the rod body through fixed screw, adopt metal covering to connect and make the head of nunchakus heavier, the rod tail is lighter, rod body quality is inhomogeneous, and fixed screw is easy not hard up, lead to the inconvenient use of nunchakus, still another kind of built-in shaft design nunchakus, because built-in dead lever is fixed insecure, or the fixed bearing rod of screw has been used for a long time easily not hard up through-hole through, the three kinds of rod body head through-hole that the five stick body that the parachute line connection is equipped with the five stick body that breaks usually, and the through-hole that leads to take place, and the big pole is broken, and the five stick body is seted up and the big bore that the pole is reduced the big bore that the pole that leads to take place, and the pole body that the pole, and the pole is usually, and the five stick body is broken up, and the pole is broken bore is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an interior string of steel ball formula pivot nunchakus, in order to solve and to put forward between the rod body and the chain connecting piece of traditional nonmetal nunchakus and be connected through metal headgear connection steel chain, the metal headgear passes through fixed screw to be fixed on the rod body, adopt the metal covering to connect to make the head of nunchakus heavier, the rod tail is lighter, rod body quality is inhomogeneous, and fixed screw is not hard up easily, lead to the inconvenient use of nunchakus, another kind of built-in pivot design nunchakus in addition, because built-in dead lever is fixed insecure, or the screw fixation bearing bar uses and has become flexible easily for a long time, three kinds of common mode are through two rod body heads of parachute cord connection, a plurality of through-holes are seted up at the head of the rod body when the parachute cord is connected, generally be equipped with five holes, it fixes on the rod body to run through the parachute cord through-hole, and the through-hole bore is great, lead to the head structure fretwork of the rod body, hardness reduces, the easy cracked problem of taking place of the rod body.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an interior string steel ball formula pivot nunchakus, includes main part mechanism, coupling mechanism, counter weight mechanism and external mechanism, coupling mechanism is located main part mechanism's inside, counter weight mechanism is located main part mechanism's lower extreme, main part mechanism includes the first rod body, the second rod body and connecting chain, the second rod body movable mounting is in the top of the first rod body, connecting chain movable mounting is between the first rod body and the second rod body, coupling mechanism includes mounting hole, cylinder groove, metal abrasionproof sleeve pipe, pivot pole, go-between, steel ball nut one and end cap, the fixed upper end that sets up at the first rod body of mounting hole and the lower extreme of the second rod body, the fixed upper end that sets up at the first right-hand member of rod body in cylinder groove and the lower extreme of the second rod body right-hand member of rod body, cylinder groove and the fixed intercommunication of mounting hole.

Preferably, the metal anti-abrasion sleeve is fixedly installed inside the installation hole, the rotating shaft rod is movably installed inside the metal anti-abrasion sleeve, the lower end of the rotating shaft rod extends into the cylindrical groove, friction between the rotating shaft rod and the installation hole can be increased by installing the metal anti-abrasion sleeve, and abrasion of the installation hole is reduced.

Preferably, the connecting ring is fixedly installed at the upper end of the rotating shaft rod, the connecting ring is fixedly connected with the connecting chain, and the connecting ring can be installed to be connected with the connecting chain.

Preferably, a steel ball nut is installed at the lower end of the rotating shaft rod in a threaded mode, the steel ball nut is matched with the cylindrical groove, the rotating shaft rod can be fixed and is not prone to disengaging through the diameter difference of a cylindrical hole formed in the installing steel ball nut and the head of the installing steel ball nut, the internally-hung steel ball nut is more flexible and free of jamming when the internally-hung steel ball nut is rotated compared with nuts of other shapes, high-strength glue substances can be added at the tail end of the rotating shaft rod or in the steel ball nut before connection, and the connection position can be welded in a welding mode after connection, so that the rotating shaft rod and the steel ball nut are prevented from falling off when the rotating shaft rod and the steel ball nut are used and rotated.

Preferably, the plug is movably arranged in the cylindrical groove, the right end of the plug extends to the right end of the cylindrical groove, the round hole in the side face of the rod body is sealed by the plug, the plug can be made of wood plugs, metal, engineering plastics and the like, and can be disassembled or completely sealed by completely matching with glue.

Preferably, the counterweight mechanism is including installation screw and counter weight tail bolt screw, the fixed lower extreme that sets up at the rod body one of installation screw, counter weight tail bolt screw thread is installed in the inside of installation screw, can carry out the counter weight to the nunchakus through installation counter weight tail bolt screw, makes its more balanced when using, more is in the hands.

Preferably, the external hanging mechanism comprises a placing groove, a metal sleeve, a fixing rod, a fixing adhesive, a threaded rotating shaft, an external hanging ring and a second steel ball nut, the placing groove is fixedly arranged at the upper end of the second rod body, the metal sleeve is fixedly arranged in the placing groove, the fixing rod is fixedly arranged at the front end of the second rod body, the rear end of the fixing rod penetrates through the placing groove and the metal sleeve and extends to the rear end of the second rod body, the fixing adhesive is fixedly arranged at the lower end of the inner portion of the metal sleeve, the threaded rotating shaft is movably arranged at the upper end of the metal sleeve, the lower end of the threaded rotating shaft extends to the inner portion of the metal sleeve, the external hanging ring is fixedly arranged at the upper end of the threaded rotating shaft, the second steel ball nut is arranged at the lower end of the threaded rotating shaft in a threaded manner, the first rod body can be connected with the second rod body in a combined manner, the second rod body can be connected with the second rod body in a combined manner, the first rod body can also be connected with the second rod body in a combined manner, so as to be used for combined manufacture of corresponding product design, and single or multiple rods can be connected in a connecting manner such as a double rod, a star-shaped rod, a rope, a three-section rod, a dragon, a flail rod, a dragon, a flail rod and the like.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the inner hanging steel ball type rotating shaft nunchakus mainly ensures that a rotating shaft rod can be fixed and is not easy to fall off through the diameter difference between a steel ball nut I and a cylindrical hole formed in the head part, the inner hanging steel ball nut I is more flexible and free of blocking when compared with nuts with other shapes during rotation, and the rotating shaft rod and the inner hanging nut cannot loosen and fall off during long-term rotating motion through a welding technology or a fixing adhesive used when the inner hanging nut is connected with the rotating shaft rod;

2. according to the nunchakus with the internally hung steel ball type rotating shaft, the nunchakus can be subjected to counterweight through mounting the counterweight tail bolt screw, so that the nunchakus is more balanced and more handy when in use;

3. this interior string steel ball formula pivot nunchakus makes the rod body one can be connected with rod body a combination through the external mechanism of installation, rod body two can be connected with rod body two combinations, rod body one also can be connected with rod body two combinations for make up and make corresponding product design, can use the connecting chain between single nunchakus or the many rods, connecting means such as rope connect into nunchakus, three-section rod, the dragon rod of a coiling, meteor hammer, the product that needs such as flail rod, the effectual suitability that has improved the product.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of a stick body according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the metal anti-abrasion sleeve of the present invention;

FIG. 4 is a schematic view of the connection mechanism of the present invention showing a partially detailed enlarged three-dimensional structure;

fig. 5 is a schematic view of the enlarged sectional structure of the external hanging mechanism of the present invention.

In the figure: 1. a main body mechanism; 101. a stick body I; 102. a second stick body; 103. connecting a chain; 2. a connecting mechanism; 201. mounting holes; 202. a cylindrical groove; 203. a metal wear sleeve; 204. a spindle rod; 205. A connecting ring; 206. a first steel ball nut; 207. a plug; 3. a counterweight mechanism; 301. mounting a screw hole; 302. A counterweight tail bolt screw; 4. an external hanging mechanism; 401. a placement groove; 402. a metal sleeve; 403. fixing the rod; 404. fixing glue; 405. a threaded shaft; 406. an external hanging ring; 407. and a second steel ball nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an internal hanging steel ball type rotating shaft nunchakus comprises a main body mechanism 1, a connecting mechanism 2, a counterweight mechanism 3 and an external hanging mechanism 4, wherein the connecting mechanism 2 is positioned inside the main body mechanism 1, the counterweight mechanism 3 is positioned at the lower end of the main body mechanism 1, the main body mechanism 1 comprises a first rod body 101, a second rod body 102 and a connecting chain 103, the second rod body 102 is movably arranged above the first rod body 101, and the connecting chain 103 is movably arranged between the first rod body 101 and the second rod body 102.

The connecting mechanism 2 comprises a mounting hole 201, a cylindrical groove 202, a metal anti-abrasion sleeve 203, a rotating shaft rod 204, a connecting ring 205, a first ball nut 206 and a plug 207, the mounting hole 201 is fixedly arranged at the upper end of the first rod body 101 and the lower end of the second rod body 102, the cylindrical groove 202 is fixedly arranged at the upper end of the right end of the first rod body 101 and the lower end of the right end of the second rod body 102, the cylindrical groove 202 is fixedly communicated with the mounting hole 201, the metal anti-abrasion sleeve 203 is fixedly arranged inside the mounting hole 201, the rotating shaft rod 204 is movably arranged inside the metal anti-abrasion sleeve 203, the lower end of the rotating shaft rod 204 extends to the inside of the cylindrical groove 202, the connecting ring 205 is fixedly arranged at the upper end of the rotating shaft rod 204, the connecting ring 205 is fixedly connected with a connecting chain 103, the first ball nut 206 is arranged at the lower end of the rotating shaft rod 204 in a threaded manner, the first ball nut 206 is matched with the cylindrical groove 202, the plug 207 is movably arranged inside the cylindrical groove 202, the right end of the plug 207 extends to the right end of the cylindrical groove 202, the metal anti-abrasion sleeve 203 is arranged inside the cylindrical groove 201, the connecting ring 204 is connected with the cylindrical groove 206, the connecting ring 204, the cylindrical groove, the connecting rod 202, the connecting ring 204 is connected with the cylindrical groove 206 by the ball nut 206, and the cylindrical groove, and the connecting rod 202, and the connecting rod 102, and the connecting rod 204, and the connecting ring 204, and the connecting rod 204.

The counterweight mechanism 3 comprises an installation screw hole 301 and a counterweight tail bolt screw 302, the installation screw hole 301 is fixedly arranged at the lower end of the first rod body 101, the counterweight tail bolt screw 302 is installed in the installation screw hole 301 in a threaded manner, the counterweight tail bolt screw 302 is installed in the installation screw hole 301, and counterweight is carried out on the counterweight tail bolt screw 302, so that the counterweight tail bolt screw is more balanced and more convenient to use.

The external hanging mechanism 4 comprises a placing groove 401, a metal sleeve 402, a fixing rod 403, a fixing adhesive 404, a threaded rotating shaft 405, an external hanging ring 406 and a steel ball nut 407, wherein the placing groove 401 is fixedly arranged at the upper end of the rod body two 102, the metal sleeve 402 is fixedly arranged in the placing groove 401, the fixing rod 403 is fixedly arranged at the front end of the rod body two 102, the rear end of the fixing rod 403 penetrates through the placing groove 401 and the metal sleeve 402 and extends to the rear end of the rod body two 102, the fixing adhesive 404 is fixedly arranged at the lower end in the metal sleeve 402, the threaded rotating shaft 405 is movably arranged at the upper end of the metal sleeve 402, the lower end of the threaded rotating shaft 405 extends to the inside of the metal sleeve 402, the external hanging ring 406 is fixedly arranged at the upper end of the threaded rotating shaft 405, the steel ball nut 407 is arranged at the lower end of the threaded rotating shaft 405, and the threaded rotating shaft 405 is connected with the connecting chain 103, the tail of a threaded rotating shaft 405 penetrates into a small hole in the upper end of a metal sleeve 402, a second ball nut 407 is plugged into a large hole in the tail end of the metal sleeve 402 and is screwed with the threaded rotating shaft 405, in order to prevent the threaded rotating shaft 405 from loosening and falling off due to long-time rotation, fixing glue 404 is applied to a joint or welding is adopted after screwing to increase firmness and prevent the risk of loosening and falling off before screwing, the metal sleeve 402 is plugged into a cylindrical hole formed in the second rod body 102 in advance, then a small hole with the diameter equivalent to that of a fixing rod 403 is formed in the side face of the second rod body 102, the fixing rod 403 is inserted into the small hole, one hole, two holes or multiple holes can be formed according to conditions, one fixing rod 403 is inserted into the two holes or multiple holes, so that the fixing rod 403 is tightly connected with the metal sleeve 402 and the second rod body 102, and the hole of the second rod body 102 is inserted into the fixing rod 403, in order to increase the connection firmness of the fixing rod 403 with the second rod body 102 and the metal sleeve 402, after the hole is opened, a proper amount of fixing glue 404 can be injected into the lower end inside the metal sleeve 402 from the hole part, and then the fixing rod 403 is inserted to increase the connection firmness between the parts, so as to complete the steps.

The working principle is as follows: when the nunchakus is assembled, firstly, a metal anti-abrasion sleeve 203 is installed inside the installation hole 201, then a rotating shaft rod 204 is inserted into the metal anti-abrasion sleeve 203, the lower end of the rotating shaft rod extends into the cylindrical groove 202, then a first steel ball nut 206 is placed inside the cylindrical groove 202, a threaded groove hole at the upper end of the first steel ball nut 206 is butted with the rotating shaft rod 204, then the rotating shaft rod 204 is screwed to be connected with the first steel ball nut 206, then a connecting ring 205 is connected with a connecting chain 103, the first rod body 101 and the second rod body 102 are connected to be assembled into the nunchakus, then a counterweight tail bolt screw 302 is installed inside the installation screw hole 301 to be counterweighted, so that the nunchakus is more balanced and more handy when in use, before connection, a high-strength glue material can be added into the tail end of the rotating shaft rod 204 or the first steel ball nut 206, and after connection, the connection position can be welded in a welding mode to ensure that the rotating shaft rod 204 and the first steel ball nut 206 are prevented from falling off in the use process of rotation.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an interior string of steel ball formula pivot nunchakus, includes main part mechanism (1), coupling mechanism (2), counter weight mechanism (3) and joins externally mechanism (4), its characterized in that: connecting mechanism (2) are located the inside of main part mechanism (1), counter weight mechanism (3) are located the lower extreme of main part mechanism (1), main part mechanism (1) is including the stick body (101), the stick body two (102) and connecting chain (103), the top at stick body one (101) is installed in stick body two (102) movable mounting, connecting chain (103) movable mounting is between stick body one (101) and stick body two (102), connecting mechanism (2) are including mounting hole (201), cylinder groove (202), metal abrasionproof sleeve pipe (203), pivot pole (204), go-between (205), steel ball nut one (206) and end cap (207), mounting hole (201) are fixed to be set up at the upper end of stick body one (101) and the lower extreme of stick body two (102), the fixed upper end that sets up at stick body one (101) right-hand member in cylinder groove (202) and the lower extreme of stick body two (102) right-hand member, cylinder groove (202) and mounting hole (201) fixed intercommunication.

2. The internal steel ball hanging type rotating shaft nunchakus as claimed in claim 1, which is characterized in that: the metal anti-abrasion sleeve (203) is fixedly arranged in the mounting hole (201), the rotating shaft rod (204) is movably arranged in the metal anti-abrasion sleeve (203), and the lower end of the rotating shaft rod (204) extends to the inside of the cylindrical groove (202).

3. The internal steel ball hanging type rotating shaft nunchakus as claimed in claim 2, which is characterized in that: the connecting ring (205) is fixedly arranged at the upper end of the rotating shaft rod (204), and the connecting ring (205) is fixedly connected with the connecting chain (103).

4. The internal steel ball hanging type rotating shaft nunchakus as claimed in claim 3, which is characterized in that: the first steel ball nut (206) is installed at the lower end of the rotating shaft rod (204) in a threaded mode, and the first steel ball nut (206) is matched with the cylindrical groove (202).

5. The internal steel ball hanging type rotating shaft nunchakus as claimed in claim 4, which is characterized in that: the plug (207) is movably arranged in the cylindrical groove (202), and the right end of the plug (207) extends to the right end of the cylindrical groove (202).

6. The internal steel ball hanging type rotating shaft nunchakus as claimed in claim 5, which is characterized in that: the counterweight mechanism (3) comprises an installation screw hole (301) and a counterweight tail bolt screw (302), the installation screw hole (301) is fixedly arranged at the lower end of the rod body I (101), and the counterweight tail bolt screw (302) is arranged in the installation screw hole (301) in a threaded mode.

7. The internal steel ball hanging type rotating shaft nunchakus as claimed in claim 6, which is characterized in that: the externally-hanging mechanism (4) comprises a placing groove (401), a metal sleeve (402), a fixing rod (403), fixing glue (404), a threaded rotating shaft (405), an externally-hanging ring (406) and a steel ball nut II (407), wherein the placing groove (401) is fixedly arranged at the upper end of the rod body II (102), the metal sleeve (402) is fixedly arranged in the placing groove (401), the fixing rod (403) is fixedly arranged at the front end of the rod body II (102), the rear end of the fixing rod (403) penetrates through the placing groove (401) and the metal sleeve (402) and extends to the rear end of the rod body II (102), the fixing glue (404) is fixedly arranged at the lower end of the metal sleeve (402), the threaded rotating shaft (405) is movably arranged at the upper end of the metal sleeve (402), the lower end of the threaded rotating shaft (405) extends to the inside of the metal sleeve (402), the externally-hanging ring (406) is fixedly arranged at the upper end of the threaded rotating shaft (405), and the steel ball nut II (407) is threadedly arranged at the lower end of the threaded rotating shaft (405).