CN2902384Y

CN2902384Y - Yoyo ball

Info

Publication number: CN2902384Y
Application number: CN 200620058711
Authority: CN
Inventors: 陈嘉明
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-30
Filing date: 2006-04-30
Publication date: 2007-05-23
Anticipated expiration: 2016-04-30

Abstract

Disclosed is a yo-yo consisting of a rope, two rotors and a middle axis connecting the two rotors. The shell of each rotor consists of a main body cover piece and a cover plate. The utility model is characterized in that one of the main body cover piece and the cover plate is provided with plural small pins and the other is provided with plural small sleeves accordingly and the small pins and the small sleeves each to each form into a socket fastening structure; the center of one rotor is provided with a middle pin and the center of the other rotor is provided with a middle sleeve that together with the middle pin forms into a socket fastening structure and the middle pin and the middle sleeve are connected to form into the middle axis. The yo-yo of the utility model is assembled without metal bolts or screws, which makes the utility model easy to assemble, environment-protecting and secure.

Description

Yo-yo

Technical field

The utility model belongs to a kind of toy, is specifically related to a kind of yo-yo.

Background technology

Yo-yo comprises rope, two rotors, connects the central shaft (central shaft that has can also be provided with axle sleeve) of two rotors, the shape of each rotor is generally shapes such as circle or polygon, and the shell of each rotor is put together by body shell sheet and cover plate.When existing nonmetal yo-yo is assembled, all mainly utilize metallic screw with body shell sheet and cover plate fixedly assembly unit become rotor, and utilize metal screw to connect two rotors as central shaft, bring following problem: first, because central shaft screw rod and Screw generally adopt metal to make, and make yo-yo integral body be difficult to meet the mandatory new standard of toy of countries and regions such as European Union; The second, be not suitable for assembling voluntarily or breaking by the juvenile, weakened travel, the function of Qi Zhi, this mainly contains the reason of following three aspects: 1, assembling trouble, and must make use of aid such as screwdriver; 2, have the accessory that quantity is many, volume is small, the juvenile loses gadget easily in disassembly process, and may cause juvenile's mistake to swallow, or stings, scratches; 3, waste recovery is relatively more difficult, does not meet the target of safety and environmental protection.

Summary of the invention

The purpose of this utility model is to be to overcome above-mentioned shortcoming and a kind of yo-yo is provided, and it need not utilize the assembling of metal screw or screw, and simple and convenient assembly, Environmental Safety.

For realizing above purpose, yo-yo of the present utility model comprises rope, two rotors, connects the central shaft of two rotors, the shell of each rotor is put together by body shell sheet and cover plate respectively, it is characterized in that, in the body shell sheet and cover plate two members of each rotor, one of them member is provided with some little pins, and another member correspondence is provided with some small sleeves, and each little pin and corresponding small sleeve form the grafting snap-in structure respectively correspondingly; The center of above-mentioned one of them rotor is provided with a pivot pin, the center of another rotor is provided with a cylindrical central sleeve, pivot pin and cylindrical central sleeve also form the grafting snap-in structure, and described central shaft is plugged in the cylindrical central sleeve by pivot pin and forms; The grafting snap-in structure of described pin and sleeve is meant: pin has nail bar and elasticity ailhead, and elasticity ailhead diameter is greater than the nail shank diameter; The inner chamber of sleeve has extension diameter section, and pin elasticity ailhead is inserted in the extension diameter section of barrel bore, and the elasticity ailhead diameter b of the maximum inner diameter a of sleeve extension diameter section, pin, the internal diameter c three of sleeve extension diameter section opening part meet following relation: a＞c and b＞c.So-called " the ailhead diameter of pin " is meant the diameter of pin elasticity ailhead at the cross section maximum, is not subjected to the elasticity ailhead of pin to be as the criterion under the nature of ambient pressure effect." extension diameter section " of so-called sleeve is meant one section that the barrel bore width enlarges relatively.

Realization above-mentioned purpose scheme preferably is: be provided with open slot in the middle of the ailhead of pin.

Realize that the better scheme of above-mentioned purpose is: the open slot of pin extends lengthwise into nail bar position.

The elasticity ailhead diameter b of the maximum inner diameter a of sleeve extension diameter section, pin, the internal diameter c three of sleeve extension diameter section opening part preferably meet following relation: a 〉=b＞c.

Be inserted in the cylindrical central sleeve to the best loose fit of pivot pin.Like this; pivot pin can freely relatively rotate with cylindrical central sleeve; therefore two rotors can be freely relatively rotate (can increase thus play play tricks and interesting) around central shaft, but pivot pin still can be not voluntarily from cylindrical central sleeve smooth come out (because having the relation of above-mentioned b＞c) vertically.

In the grafting snap-in structure of above-mentioned all or part of pin and sleeve, nail bar and ailhead intersection form right angle step, and the extension diameter section of relevant sleeve inner chamber and undergauge section diameter intersection also form right angle step.Unexpected version is all adopted in the size diameter variation that is pin and barrel bore.

In the grafting snap-in structure of above-mentioned all or part of pin and sleeve, ascending the gradually changing of diameter of nail bar and ailhead intersection, the barrel bore diameter is also ascending accordingly gradually changes.Be that vary in diameter can be slow interim form, as adopting transition such as arc transition, tilted conical, cydariform, trapezoidal, rhombus, spirality.

In each rotor, cover plate is arranged on the outside (promptly than the side away from rope), and little pin preferably joins together on the cover board, and small sleeve then joins together on the body shell sheet, and offers the aperture of small sleeve on the body shell sheet.Like this, can be pressed into the pellet that is slightly larger than little pin ailhead open slot from this aperture, pellet expands little pin ailhead after entering little pin ailhead open slot, further with body shell sheet and the fastening rotor that is spliced into of cover plate; And because this aperture is opened near on the inboard body shell sheet, more hidden, ailhead, sleeve hole etc. does not expose in whole yo-yo outside, makes the overall appearance simplicity generosity.

Preferably filling has pellet in little pin open slot.

Above-mentioned pivot pin and corresponding rotor can the split settings, also can be one-body molded with the body shell sheet or the cover plate of corresponding rotor.

Above-mentioned cylindrical central sleeve and corresponding rotor can the split setting, also can be one-body molded with the body shell sheet or the cover plate of corresponding rotor.

Above-mentioned rotor and pin, sleeve can adopt nonmetal making.

Above-mentioned rotor and pin, sleeve preferably adopt plastic production.

The utlity model has following advantage and effect:

1, yo-yo of the present utility model, little pin elasticity ailhead can be pressed into small sleeve (the then corresponding cylindrical central sleeve that is pressed into of pivot pin elasticity ailhead) during assembling, when pin elasticity ailhead process barrel bore diameter smaller part (undergauge section or extension diameter section opening), pin elasticity ailhead pressurized diameter temporarily diminishes, and enters extension diameter section so the pin ailhead passes undergauge section (or extension diameter section opening) smoothly; After the pin ailhead arrives extension diameter section, pin ailhead pressure at both sides is removed, pin elastic nail head restoring is to the nature that does not have the ambient pressure effect, recover original size, so the pin ailhead can not deviate from (extracting) from sleeve voluntarily, thereby body shell sheet and cover plate are assembled into rotor, two rotors are assembled into yo-yo, can play the effect of traditional yo-yo central shaft after pivot pin and cylindrical central sleeve are pegged graft.

2, whole assembling process need not use screw, need not make use of screwdriver.Particularly plastic production of nonmetallic materials can be all adopted in whole yo-yo.

3, in the grafting snap-in structure of pin and sleeve, the pin ailhead firmly can be extracted from sleeve, yo-yo can be taken apart like this, promptly break voluntarily or assemble by the juvenile, increase the enjoyment of playing, give full play to the function that toy opens intelligence.

4, number of fitting parts is few, does not have the small accessory of volume, and disassembly process is not easy to lose accessory, and generally can not damage the juvenile.

5, owing to need not adopt metalwork, after yo-yo was discarded, the plastic waste material of its main body reclaimed easily.

Description of drawings

Fig. 1 is the structural representation of a kind of specific embodiment of the utility model.

Fig. 2 is the cylindrical central sleeve of yo-yo shown in Figure 1 and the structural representation of one of them rotor.

Fig. 3 is the pivot pin of yo-yo shown in Figure 1 and the structural representation of another rotor.

Fig. 4 is the structure of cover plate schematic diagram.

Fig. 5 is a body shell chip architecture schematic diagram.

Fig. 6 is the position view of three small sleeves among Fig. 5.

Fig. 7 is the grafting snap-in structure schematic diagram of pin and sleeve.

Fig. 8 is the pin feature schematic diagram among Fig. 7.

Fig. 9 is the structural representation of Fig. 7 middle sleeve.

Figure 10 is the pin ailhead structural representation of second kind of embodiment of the utility model.

Figure 11 is the pin ailhead structural representation of the third embodiment of the utility model.

Figure 12 is the pin ailhead structural representation of the 4th kind of embodiment of the utility model.

Figure 13 is the yo-yo decomposition texture schematic diagram of the 5th kind of embodiment of the utility model.

The specific embodiment

Fig. 1, Fig. 2, Fig. 3, yo-yo shown in Figure 4 comprises the rope (not shown), two circular rotors, each circular rotor all has internal cavity 21, the shell of each circular rotor is put together by circular body shell sheet 22 and circular cover 23 respectively, circular body shell sheet 22 and circular cover 23 form by plastic injection-moulded, circular cover 23 embeds in circular body shell sheet 22 edges, circular cover is installed in the position near the outside (promptly away from rope), shown in Figure 4, the circular cover one is joined together three little plastic pins 231, Fig. 5, shown in Figure 6, circular body shell sheet 22 one are joined together three little plastic sleeves 221, shown in Figure 1, each little plastic pin 231 and little plastic sleeve 221 all are arranged in the internal cavity 21 of circular rotor.Above-mentioned each little pin 231 and corresponding small sleeve 221 form the grafting snap-in structure respectively correspondingly.

Shown in Figure 3, the center of one of them circular rotor is fixed with a plastics pivot pin 11, the cover plate 23 and the 22 split settings of body shell sheet of pivot pin 11 and corresponding circular rotor, the pivot pin head of a nail 113 is fixedly clamped by cover plate 23 and body shell sheet 22, makes whole pivot pin 11 be fixed on this circle rotor thus; Shown in Figure 2, the center of another circular rotor is fixed with a plastics cylindrical central sleeve 12, the cover plate 23 and the 22 split settings of body shell sheet of cylindrical central sleeve 12 and corresponding circular rotor, and by cover plate 23 and body shell sheet 22 clampings; Shown in Figure 1, pivot pin 11 and cylindrical central sleeve 12 form the grafting snap-in structure, just form the central shaft of whole yo-yo after pivot pin 11 and cylindrical central sleeve 12 are pegged graft.

Fig. 7, Fig. 8, shown in Figure 9, the grafting snap-in structure of described pin and sleeve (the grafting snap-in structure of little pin and small sleeve, the grafting snap-in structure of pivot pin and cylindrical central sleeve) be meant: plastic pin is by ailhead 111 and nail bar 112, the head of a nail 113 is formed, nail bar 112 diameters are less than ailhead 111, be provided with open slot 114 in the middle of the ailhead of pin, the open slot of pin ailhead extends lengthwise into nail bar 112 positions, when pin ailhead pressurized after-opening groove 114 narrows down, pin ailhead 111 becomes flat diminishing, when external force elimination after-opening groove 114 and 111 reinstatements of pin ailhead, thereby the ailhead 111 of plastic pin has elasticity; The inner chamber of sleeve has extension diameter section 121, also has the less relatively undergauge section 122 of diameter in addition, the inner chamber section shape of extension diameter section is a rectangle, shown in Figure 7, pin ailhead 111 is inserted in the extension diameter section 121, and undergauge section 122 is enclosed within around the nail bar 112, Fig. 8, shown in Figure 9, the internal diameter c three of the maximum inner diameter a of sleeve extension diameter section, the ailhead diameter b of pin, sleeve extension diameter section opening part (being positioned at undergauge section and extension diameter section intersection, shown in D among Fig. 9) meets following relation: a＞b＞c.(in this embodiment, the numerical value of c also equals the internal diameter of undergauge section)

Be inserted in the cylindrical central sleeve to above-mentioned pivot pin loose fit, promptly in each cross section of pivot pin and center jacket casing inserting structure, the diameter of cylindrical central sleeve inner chamber is all slightly greater than the pivot pin diameter.Like this, pivot pin can freely relatively rotate with cylindrical central sleeve, therefore two circular rotors can be freely around central shaft relatively rotate (can increase play interest and style thus).But pivot pin still can not slide vertically from cylindrical central sleeve voluntarily and slip out (because having the relation of above-mentioned b＞c), has only when suitably exerting oneself drawing, just pivot pin can be extracted from cylindrical central sleeve.

Fig. 3, shown in Figure 4 offers the aperture 2211 of small sleeve on the body shell sheet.Can be slightly larger than the pellet (not shown) of little pin ailhead open slot from being pressed into of this aperture, pellet enters little pin ailhead is expanded, and further is spliced into circular rotor with cover plate and body shell sheet are fastening.Shown in Figure 3, because this aperture is opened near inboard last body shell sheet, more hidden, ailhead, sleeve aperture etc. does not expose in whole yo-yo outside, makes the overall appearance simplicity generosity.

Fig. 7, Fig. 8, shown in Figure 9, in the grafting snap-in structure of above-mentioned each pin and sleeve, the diameter of nail bar and ailhead intersection adopts unexpected version, promptly forms right angle step at the vary in diameter intersection.

In Figure 10, Figure 11, Figure 12, illustrate ailhead 111 shapes of second kind of embodiment of the present utility model, the third embodiment, the 4th kind of embodiment pin respectively.In these embodiments, so-called " the ailhead diameter b of pin " is meant the diameter of pin ailhead at the cross section maximum, is not subjected to the ailhead of pin to be as the criterion under the nature of ambient pressure effect, as shown in Figure 10, Figure 11, Figure 12.

Among the 5th kind of embodiment of the utility model shown in Figure 13, also be provided with central axle sleeve 13 near two rotor position intermediate, nail bar 11 a part of length covers of pin are inserted in the central axle sleeve 13, and another part length cover is inserted in the undergauge section of sleeve 12, and all the other and first embodiment are together.

Certainly, in the foregoing description, can carry out some changes as required, for example, in the grafting snap-in structure of pin and cylindrical central sleeve, the diameter of nail bar and ailhead intersection also can adopt the slow transition change form of tilted conical, and corresponding barrel bore diameter also adopts the slow transition change form of tilted conical.

The inner chamber section shape of above-mentioned sleeve extension diameter section also can be trapezoidal or cydariform etc.

Above-mentioned little pin also can join together on the body shell sheet, and the then corresponding cluster of small sleeve on the cover board simultaneously.

It is circle on the strict geometric meaning that above-mentioned elasticity ailhead and barrel bore cross section not necessarily need.When elasticity ailhead and barrel bore cross section were not circular on the strict geometric meaning, " elasticity ailhead diameter " was meant the cross-sectional width of elasticity ailhead, and the barrel bore internal diameter is meant the barrel bore cross-sectional width.

Claims

1, a kind of yo-yo, comprise rope, two rotors, connect the central shaft of two rotors, the shell of each rotor is put together by body shell sheet and cover plate respectively, it is characterized in that: in the body shell sheet and cover plate two members of each rotor, one of them member is provided with some little pins, another member correspondence is provided with some small sleeves, and each little pin and corresponding small sleeve form the grafting snap-in structure respectively correspondingly; The center of above-mentioned one of them rotor is provided with a pivot pin, the center of another rotor is provided with a cylindrical central sleeve, pivot pin and cylindrical central sleeve also form the grafting snap-in structure, and described central shaft is plugged in the cylindrical central sleeve by pivot pin and forms; The grafting snap-in structure of described pin and sleeve is meant: pin has nail bar and elasticity ailhead, elasticity ailhead diameter is greater than the nail shank diameter, the inner chamber of sleeve has extension diameter section, pin elasticity ailhead is inserted in the extension diameter section of barrel bore, and the elasticity ailhead diameter b of the maximum inner diameter a of sleeve extension diameter section, pin, the internal diameter c three of sleeve extension diameter section opening part meet following relation: a＞c and b＞c.

2, according to the yo-yo of claim 1, it is characterized in that: be provided with open slot in the middle of the ailhead of pin.

3, according to the yo-yo of claim 2, it is characterized in that: the open slot of pin extends lengthwise into the nail bar.

4, according to claim 1,2 or 3 yo-yo, it is characterized in that: the elasticity ailhead diameter b of the maximum inner diameter a of sleeve extension diameter section, pin, the internal diameter c three of sleeve extension diameter section opening part meet following relation: a 〉=b＞c.

5, according to claim 1,2 or 3 yo-yo, it is characterized in that: be plugged in the cylindrical central sleeve to the pivot pin loose fit.

6, according to claim 1,2 or 3 yo-yo, it is characterized in that: in the grafting snap-in structure of above-mentioned all or part of pin and sleeve, nail bar and ailhead intersection form right angle step, and the extension diameter section of relevant sleeve inner chamber and undergauge section intersection also form right angle step.

7, according to claim 1,2 or 3 yo-yo, it is characterized in that: in the grafting snap-in structure of above-mentioned all or part of pin and sleeve, the diameter of nail bar and ailhead intersection becomes big gradually by little, and corresponding barrel bore diameter also becomes big gradually by little.

8, according to the yo-yo of claim 2 or 3, it is characterized in that: in each rotor, cover plate is arranged on the outside, and little pin joins together on the cover board, and small sleeve then joins together on the body shell sheet, and offers the aperture of small sleeve on the body shell sheet; Filling has pellet in the open slot of little pin.

9, according to claim 1,2 or 3 yo-yo, it is characterized in that: pivot pin is provided with corresponding rotor split.

10, according to claim 1,2 or 3 yo-yo, it is characterized in that: cylindrical central sleeve is provided with corresponding rotor split.