CN201046324Y - Nunchakus - Google Patents
Nunchakus Download PDFInfo
- Publication number
- CN201046324Y CN201046324Y CNU2007201205254U CN200720120525U CN201046324Y CN 201046324 Y CN201046324 Y CN 201046324Y CN U2007201205254 U CNU2007201205254 U CN U2007201205254U CN 200720120525 U CN200720120525 U CN 200720120525U CN 201046324 Y CN201046324 Y CN 201046324Y
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Abstract
The utility model relates to a nunchakus, which comprises a connection body and a stick body; wherein, the stick body comprises a hollow cylinder and a post; the top surface of the cylinder has through-holes; the shape of the through-holes are matched with the cross section of the post. The post is arranged in the cylinder, and the top of the post is extended from the through-hole at top of the cylinder and connected with one end of the connection body; the post is matched tightly with the through-hole; the bottom of the post comprises steps that are upwardly protruded and matched tightly with the cross section of the hollow portion of the cylinder; the cross section of the steps is larger than that of the through-hole. Since the cylinder of the nunchakus is recessed with the post or post and middle cylinder, and the parts can be drawn back when stressed in the axis direction, therefore the utility model has the advantages of small volume and convenient carrying.
Description
Technical field
The utility model relates to sports apparatus, more particularly, relates to a kind of nunchakus.
Background technology
Nunchakus is not only a kind of amusement appliance as a kind of martial arts equipment, and a kind of especially instrument that improves the health is subjected to liking of children and young man deeply.At present, the form of nunchakus on the market, material are varied, are fit to that children use, and are fit to that young man uses, and have acoustic, the interest that bring for the people that use to play and the enthusiasm of body-building.Because the length of nunchakus mainly is to be determined by its length by two sticks of connector connection, and the rod of existing nunchakus has certain-length, can not change, so there is certain difficulty in the user when carrying, is not easy to carry.
The utility model content
The technical problems to be solved in the utility model is,, the defective that be not easy to carry big at the above-mentioned volume of prior art provides a kind of volume little, portable nunchakus.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of nunchakus, comprise connector and rod body, described rod body is connected to described connector two ends, described rod body comprises cylindrical shell and cylinder, described cylindrical shell hollow, its end face comprise shape and the suitable through hole of described cylinder cross section, and described cylinder is positioned at described cylindrical shell, the through hole of its top by described cylindrical shell top stretches out and links to each other described cylinder and described through hole tight fit with described connector one end; That described cylinder bottom comprises is outwards outstanding, with the suitable and friction tight step of described cylindrical shell hollow space cross section, the cross section of described step is greater than the cross section of described through hole.
In nunchakus described in the utility model, described cylinder profile and described cylindrical shell the hollow space cross sectional shape identical.
In nunchakus described in the utility model, described cylinder profile, cylindrical shell profile comprise circle or polygon.
In nunchakus described in the utility model, the cross-sectional area of the remainder in the described cylinder except that described step is less than the cross-sectional area of described cylindrical shell hollow space.
In nunchakus described in the utility model, described connector comprises chain.
In nunchakus described in the utility model, described cylinder top is stretched out shell portion and is comprised a connecting hole, and an end of described connector passes described connecting hole and connects described cylinder.
In nunchakus described in the utility model, described cylindrical shell comprises outer cylinder body and middle cylinder body, described middle cylinder body is positioned at described outer cylinder body, described cylinder is positioned at described middle cylinder body, comprise first through hole adaptive with described cylinder body shape on the described middle cylinder body end face, described cylinder is stretched out by this first through hole and links to each other with described connector; Described outer cylinder body end face comprises and the second suitable through hole of described middle tube hole profile; Described cylinder bottom surface comprises that to outer lug and the suitable and friction tight first step of described middle cylinder body hollow space cross section described middle cylinder body bottom comprises to outer lug and the suitable and friction tight second step of described outer cylinder body hollow space cross section; The cross section of described first step is greater than the cross section of described first through hole, and the cross section of described second step is greater than the cross section of described second through hole.
In nunchakus described in the utility model, the long-pending sectional area of the exterior cross-section of the remainder of described middle cylinder body except that described step less than described outer cylinder body hollow space.
In nunchakus described in the utility model, also comprise closed screw and be positioned at the screw thread of described cylindrical shell bottom interior wall that described closed screw is connected on the above-mentioned screw thread, seals described cylindrical shell.
Implement nunchakus of the present utility model, have following beneficial effect: because the built-in cylinder of cylindrical shell or the cylinder and the middle cylinder body of this nunchakus, and above-mentioned parts are recoverable to or draw back when the power that is subjected to along axis direction, so this nunchakus volume is little, are easy to carry.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model nunchakus embodiment;
Fig. 2 is a rod body structure cutaway view among the utility model nunchakus embodiment.
The specific embodiment
As shown in Figure 1 and Figure 2, in the utility model nunchakus embodiment, this nunchakus comprises connector 1, cylinder 2, middle cylinder body 3, outer cylinder body 4 and closed screw 9, wherein, the chain that described connector 1 forms for the mutual snapping of a plurality of oval-shaped rings, connecting hole 22 is arranged at the top of described cylinder 2, and the ring on the end of above-mentioned connector 1 passes connecting hole 22, and described connector 1 and described cylinder 2 are linked together; Described middle cylinder body 3 and outer cylinder body 4 all are the cylindrical shapes of hollow, and described cylinder 2 is cylindrical, the cross section of the hollow space of middle cylinder body 3 and outer cylinder body 4 be shaped as circle; Comprise first through hole at the top of middle cylinder body 3, this first through hole is positioned at the center of top of middle cylinder body 3, and its area is less than the cross-sectional area of the hollow space of described middle cylinder body 3; Comprise second through hole at the top of outer cylinder body 4, this second through hole is positioned at the center of top of outer cylinder body 4, and its area is less than the cross-sectional area of the hollow space of described outer cylinder body 4; The bottom of described middle cylinder body 3 comprises the second step 31 to outer lug, this second step 31 is stretched out by the outer, bottom of middle cylinder body 3, it is a ring-type, bottom around whole middle cylinder body 3, the area of this second step 31 is greater than the area of second through hole on the above-mentioned outer cylinder body 4, and is equal to or slightly less than the cross-sectional area of outer cylinder body 4 hollow spaces; The bottom of described cylinder 2 comprises first step 21, this first step 21 is stretched out by the outer, bottom of cylinder 2, it is a ring-type, bottom around whole cylinder 2, the area of this first step 21 is greater than the area of first through hole on the above-mentioned middle cylinder body 3, and is equal to or slightly less than the cross-sectional area of middle cylinder body 3 hollow spaces; The bottom interior wall of described outer cylinder body 4 has screw thread, and the screw thread of this screw thread and closed screw 9 is suitable, makes this closed screw 9 can be connected the bottom of described outer cylinder body 4 by the cooperation of above-mentioned screw thread, sealing outer cylinder body 4.
During nunchakus in assembling the utility model embodiment, above-mentioned cylinder 2 is placed hollow space in the described middle cylinder body 3, because the existence of first through hole on the middle cylinder body 3, and the cross-sectional area of shaft (i.e. remainder except that described first step 21) part is slightly less than the cross-sectional area of first through hole in the described cylinder 2, the top of described cylinder 2 is by stretching out in described first through hole, greater than the cross-sectional area of described first through hole, promptly described first step 21 is a tight fit with the inwall of described middle cylinder body 3 because the cross-sectional area of the first step 21 of described cylinder 1 bottom is equal to or slightly less than the cross-sectional area of described middle cylinder body 3 hollow spaces again; The complex of above-mentioned cylinder 2 and middle cylinder body 3 is placed hollow space in the described outer cylinder body 4, because the existence of second through hole on the outer cylinder body 4, and the cross-sectional area of stack shell (i.e. remainder except that described second step 31) part is slightly less than the cross-sectional area of second through hole in the described middle cylinder body 3, the top of described middle cylinder body 3 is by stretching out in described second through hole, greater than the cross-sectional area of described second through hole, promptly described second step 31 is a tight fit with the inwall of described outer cylinder body 4 because the cross-sectional area of the second step 31 of described middle cylinder body 3 bottoms is equal to or slightly less than the cross-sectional area of described outer cylinder body 4 hollow spaces again; Said fixing screw 9 is fixed on the bottom of described outer cylinder body 4 by screw-threaded engagement, sealing outer cylinder body 4, described hold-down screw 9 is held the function of above-mentioned middle cylinder body 3 and cylinder 2 bottoms in addition simultaneously, and the effect of location is arranged; The chain of described connector 1 one ends is connected on the connecting hole 22 at described cylinder 2 tops, promptly finishes the installation of this a nunchakus connector 1 and an end rod body.What deserves to be mentioned is that nunchakus is made up of two rod bodies and connection connector wherein, because above-mentioned two rod bodies are symmetrical fully, so, as stated above another rod body is installed the installation that can finish whole nunchakus.
Finish nunchakus after the installation at described cylinder 2 during along its axially loaded, described cylinder 2 can slide along its axis direction hollow space in described middle cylinder body 3, runs into up to its first step 21 till the hollow space inwall top or described closed screw 9 of described middle cylinder body 3; During along its axially loaded, described middle cylinder body 3 can slide along its axis direction hollow space in described outer cylinder body 4, runs into up to its second step 31 till the hollow space inwall top or described closed screw 9 of described outer cylinder body 4 at described middle cylinder body 3; So, drawing back under the identical situation of back length, the nunchakus in the present embodiment is short by about 2/3rds than the nunchakus in the tradition, is easy to carry more.
In the present embodiment, hollow space, cylinder and first through hole in described cylindrical shell, the cylindrical shell, second through hole etc. are circle, in actual use, and also can be for comprising the polygon of hexagon, as long as it is adaptive mutually; Described connector is a chain, also can be firm rope etc. in actual use.
Claims (9)
1. nunchakus, comprise connector and rod body, described rod body is connected to described connector two ends, it is characterized in that described rod body comprises cylindrical shell and cylinder, described cylindrical shell hollow, its end face comprises shape and the suitable through hole of described cylinder cross section, described cylinder is positioned at described cylindrical shell, and the through hole of its top by described cylindrical shell top stretches out and link to each other described cylinder and described through hole tight fit with described connector one end; That described cylinder bottom comprises is outwards outstanding, with the suitable and friction tight step of described cylindrical shell hollow space cross section, the cross section of described step is greater than the cross section of described through hole.
2. nunchakus according to claim 1 is characterized in that, described cylinder profile and described cylindrical shell the hollow space cross sectional shape identical.
3. nunchakus according to claim 2 is characterized in that, described cylinder profile, cylindrical shell profile comprise circle or polygon.
4. nunchakus according to claim 3 is characterized in that the cross-sectional area of the remainder in the described cylinder except that described step is less than the cross-sectional area of described cylindrical shell hollow space.
5. nunchakus according to claim 4 is characterized in that described connector comprises chain.
6. nunchakus according to claim 5 is characterized in that, described cylinder top is stretched out shell portion and comprised a connecting hole, and an end of described connector passes described connecting hole and connects described cylinder.
7. nunchakus according to claim 6, it is characterized in that, described cylindrical shell comprises outer cylinder body and middle cylinder body, described middle cylinder body is positioned at described outer cylinder body, described cylinder is positioned at described middle cylinder body, comprise first through hole adaptive with described cylinder body shape on the described middle cylinder body end face, described cylinder is stretched out by this first through hole and links to each other with described connector; Described outer cylinder body end face comprises and the second suitable through hole of described middle tube hole profile; Described cylinder bottom surface comprises that to outer lug and the suitable and friction tight first step of described middle cylinder body hollow space cross section described middle cylinder body bottom comprises to outer lug and the suitable and friction tight second step of described outer cylinder body hollow space cross section; The cross section of described first step is greater than the cross section of described first through hole, and the cross section of described second step is greater than the cross section of described second through hole.
8. nunchakus according to claim 7 is characterized in that, the long-pending sectional area less than described outer cylinder body hollow space of the exterior cross-section of the remainder of described middle cylinder body except that described step.
9. according to any described nunchakus of claim 1-9, it is characterized in that also comprise closed screw and be positioned at the screw thread of described cylindrical shell bottom interior wall, described closed screw is connected on the above-mentioned screw thread, seals described cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201205254U CN201046324Y (en) | 2007-06-04 | 2007-06-04 | Nunchakus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201205254U CN201046324Y (en) | 2007-06-04 | 2007-06-04 | Nunchakus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201046324Y true CN201046324Y (en) | 2008-04-16 |
Family
ID=39298897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201205254U Expired - Fee Related CN201046324Y (en) | 2007-06-04 | 2007-06-04 | Nunchakus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201046324Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133473A (en) * | 2011-04-21 | 2011-07-27 | 门德君 | Telescopic nunchakus capable of becoming one section by contraction |
| CN103071279A (en) * | 2013-02-24 | 2013-05-01 | 李陈 | Nunchakus |
-
2007
- 2007-06-04 CN CNU2007201205254U patent/CN201046324Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133473A (en) * | 2011-04-21 | 2011-07-27 | 门德君 | Telescopic nunchakus capable of becoming one section by contraction |
| CN103071279A (en) * | 2013-02-24 | 2013-05-01 | 李陈 | Nunchakus |
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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: 20080416 Termination date: 20100604 |