Nail-opening fingertip gyroscope with lockable nail tip

Abstract

The utility model relates to a nail-opening fingertip spinner with lockable nail tips, which comprises a supporting part, a nail tip locking part, a nail tip locking part and a nail tip locking part, the rotating part rotates around the supporting part; the nail pieces are installed on the rotating part in an openable and closable mode and rotate along with the rotating part to generate centrifugal force so as to be unfolded outwards relative to the rotating part; the locking mechanism is provided with a locking position and an unlocking position; when the locking mechanism is located at the locking position, the locking mechanism locks the nail piece on the rotating part, so that the nail piece is kept to be fixed relative to the rotating part; when the locking mechanism is located at the unlocking position, locking between the nail piece and the rotating part is relieved, and the nail piece can be unfolded relative to the rotating part. When the front face of the main body faces upwards, the movable pin partially falls into the locking hole in the nail piece under the action of gravity, and the nail piece is prevented from being thrown out. And when the reverse side of the main body faces upwards, the whole pin retreats out of the locking hole, and nail opening is not limited.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fingertip gyroscopes, more specifically, to an open-fingernail fingertip gyroscope with lockable fingernails. BACKGROUND

[0002] A fingertip gyroscope is a small toy with a bearing-symmetrical structure that can spin freely on a finger. It is designed by embedding a bearing in the middle of a two-way or multi-way symmetrical body as the main body. The whole constitutes a new type of planar rotating object. The basic principle of this object is similar to that of a traditional gyroscope.

[0003] Chinese utility models with publication numbers CN218129923U, CN216259068U, and CN216725754U, as well as Chinese patent application for invention with publication numbers CN118454249A and CN117717791A, all propose innovative "open-fingernail" play methods using centrifugal force generated by rotation. CN118454249A discloses a fingertip gyroscope with removable fingernails. The fingernails are spun out by the centrifugal force generated when the fingernails rotate with the gyroscope, and are retracted by the magnetic force when the gyroscope stops, with both stopping and locking.

[0004] However, the above-mentioned technical solutions propose a design that enriches the play methods of fingertip gyroscopes, but for some users, the extra play methods are cumbersome. Although some existing products have proposed a way to change by disassembly, the disassembly process is inconvenient, and the disassembled components need to be stored. Therefore, there is a need for a fingertip gyroscope that can directly lock the fingernails. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide an open-fingernail fingertip gyroscope with lockable fingernails to overcome the above-mentioned defects of the prior art.

[0006] The technical solution adopted by the utility model to solve its technical problem is:

[0007] The utility model constructs an open-fingernail fingertip gyroscope with lockable fingernails, which includes:

[0008] It also includes a locking mechanism with a locking position and an unlocking position. The locking mechanism includes:

[0009] a mounting hole formed on the rotating part; a locking hole formed on the nail piece, the locking hole and the mounting hole form a channel when they coincide; a movable pin arranged in the mounting hole, the movable pin can move in the channel;

[0010] When the movable pin is in the unlocking position, the movable pin is inserted in the mounting hole and the locking hole to lock the nail piece relative to the rotating part; when the movable pin is in the locking position, the movable pin exits the locking hole to allow the nail piece to unfold relative to the rotating part.

[0011] Preferably, the movable pin is configured to move in the channel under the traction of gravity, and the support part is reversibly flipped to the front or back side to move the movable pin to the locking position or the unlocking position.

[0012] Preferably, the support part includes a pair of end caps arranged opposite to each other, the rotating part includes a disc body rotatably arranged on the pair of end caps, the disc body is arranged between the two end caps, the disc body is provided with a movable slot capable of partially or wholly accommodating the nail piece, the rotating part is provided with the nail piece which is arranged in the movable slot in an openable and closable manner, and the mounting hole is formed on the movable slot.

[0013] Preferably, the disc body includes an upper disc body and a lower disc body arranged opposite to each other, a gap is left between the outer edge portion of the upper disc body and the outer edge portion of the lower disc body, the upper disc body and the lower disc body enclose to form the movable slot, the mounting hole is arranged on the upper disc body or the lower disc body, and the locking hole is formed on the side of the nail piece close to the mounting hole.

[0014] Preferably, the locking hole is a blind hole, the length of the movable pin is greater than the depth of the locking hole, and the length of the movable pin is less than or equal to the depth of the mounting hole.

[0015] Preferably, the pair of end caps further includes a bearing body arranged between the two end caps, and the disc body is rotatably arranged on the bearing body.

[0016] Preferably, the number of the nail pieces is three.

[0017] Preferably, the rotating part is provided with a guide rail extending along the radial direction of the rotating surface of the rotating part, and the nail piece is slidably arranged on the guide rail.

[0018] Preferably, the reset mechanism further includes a pair of magnets arranged on the nail piece and the rotating part respectively and capable of attracting each other.

[0019] Preferably, the reset mechanism includes a pair of magnets arranged on the nail piece and the rotating part respectively and capable of attracting each other.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] Through the movable pin, the locking hole and the magnet, the acting force between the nail piece and the rotating part is generated, when the centrifugal force of the nail piece is greater than the attraction between the magnets when the top rotates, the nail piece will be unfolded by a stroke, the rotating diameter of the top is increased, the shape is changed, and the opening nail deformation effect is achieved; when the kinetic energy is reduced and the centrifugal force is less than the attraction between the magnets after the nail piece is thrown out due to the centrifugal force, the nail piece will be attracted back to the original position;

[0022] When the nail piece is attracted back to the original position, when the top is upward, the movable pin will fall into the locking groove of the nail piece due to the gravity, the unfolding of the nail piece is limited, at this time, the product will become a one-piece hand feeling top; on the contrary, when the back of the top is upward, the movable pin will fall into the mounting hole of the rotating part as a whole, and the opening nail will not be limited; the playing method can be switched by turning over the surface, so that the fun is increased. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the present application will be further described below in conjunction with the drawings and embodiments, and the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings:

[0024] Figure 1 It is the overall structure schematic diagram of the preferred embodiment of the utility model;

[0025] Figure 2 It is the local explosion schematic diagram (standard part is not shown) of the preferred embodiment of the utility model;

[0026] Figure 3 It is the overall explosion schematic diagram (standard part is not shown) of the preferred embodiment of the utility model;

[0027] Figure 4 It is the overall structure schematic diagram of the preferred embodiment of the utility model;

[0028] Figure 5 It is Figure 4 the sectional view of A-A in the figure;

[0029] Figure 6 It is the structure schematic diagram of the upper disc body / lower disc body of the preferred embodiment of the utility model;

[0030] Figure 7 It is the structure schematic diagram of the nail piece of the preferred embodiment of the utility model;

[0031] Figure 8 It is the overall explosion schematic diagram of the preferred embodiment of the utility model.

[0032] Wherein: 1 - end cover, 2 - disc body, 3 - nail piece, 4 - movable pin, 5 - magnet, 6 - bearing body, 11 - connecting column, 12 - finger support groove, 21 - upper disc body, 22 - lower disc body, 23 - guide rail, 24 - mounting hole, 25 - boss, 26 - outer edge portion, 27 - cavity, 28 - through hole, 31 - locking hole, 32 - sliding block. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the following will combine the technical scheme in the utility model embodiment to make clear, complete description, obviously, the described embodiment is the part embodiment of the utility model, not all embodiments. Based on the embodiment of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] As shown in the preferred embodiment of the utility model Figures 1-8 As shown, including a nail piece lockable open nail fingertip top, including: support part, with opposite front and back surface;Rotary part, rotates around the support part;Nail piece 3, can be installed on the rotary part and open and close, and the centrifugal force generated by the rotation of the rotary part is unfolded outward relative to the rotary part;It also includes locking mechanism, which has locking position and unlocking position;

[0035] When the locking mechanism is in the locking position, the locking mechanism locks the nail piece 3 on the rotary part, so as to keep the nail piece 3 fixed relative to the rotary part;When the locking mechanism is in the unlocking position, the locking between the nail piece 3 and the rotary part is released, and the nail piece 3 can be unfolded relative to the rotary part.

[0036] In some embodiments (not shown in the figure), the nail piece 3 can be connected with the rotary part by rotating, or can be connected with the rotary part by sliding to realize opening and closing, as shown in Figure 7 In the embodiment, the rotary part is provided with a guide rail 23, the guide rail 23 extends along the radial direction of the rotary surface of the rotary part, and the bottom of the nail piece 3 is slidably arranged on the guide rail 23 by a sliding block 32;Similarly, the guide rail 23 can also be arranged on the nail piece 3, and the sliding block 32 is arranged on the rotary part.

[0037] The gyroscope is also equipped with a reset mechanism, which drives the plate 3 to retract towards the rotating part when the centrifugal force is low. In this embodiment, the reset mechanism includes magnets 5 that are respectively disposed on the plate 3 and the rotating part and attract each other. In some embodiments (not shown in the figure), the reset mechanism can be implemented by setting elastic components such as springs and torsion springs between the plate 3 and the rotating part. The purpose of these components is to drive the plate 3 to tend to retract towards the rotating part, while allowing the plate 3 to unfold when the centrifugal force is greater than the elastic force or magnetic force provided by the reset mechanism, and driving the plate 3 to retract when the centrifugal force is less than the elastic force or magnetic force provided by the reset mechanism.

[0038] The locking mechanism includes: a mounting hole 24 formed on the rotating part; a locking hole 31 formed on the axle 3, wherein the locking hole 31 and the mounting hole 24 are connected to form a channel when they coincide; and a movable pin 4 disposed in the mounting hole 24, wherein the movable pin 4 can move in the channel.

[0039] When the movable pin 4 is in the unlocked position, the movable pin 4 is inserted into the mounting hole 24 and the locking hole 31 to lock the axle 3 relative to the rotating part; when the movable pin 4 is in the locked position, the movable pin 4 is disengaged from the locking hole 31 to allow the axle 3 to unfold relative to the rotating part.

[0040] In some embodiments (not shown in the figure), in addition to the locking method of the movable pin 4 by direct insertion and engagement, the locking mechanism can also lock the axle 3 by setting the movable pin 4 to a spring pin, stud, or fastener. Alternatively, other movable limiting members can be provided on the rotating part to achieve the locking function, such as a rotating cam, a flipping buckle, or a sliding stop. Taking the cam as an example, the cam is damped and rotatably connected to the rotating part. By setting the cam on the travel path of the axle 3, the cam rotates to press the axle 3 to restrict its unfolding, and rotates to release the axle 3 to allow it to unfold.

[0041] like Figure 5 As shown, the movable pin 4 is configured to move in the channel under gravity, and the support can be selectively flipped to face up or face down to move the movable pin 4 to a locked position or an unlocked position.

[0042] In some embodiments (not shown in the figure), in addition to adjusting by flipping the support to change the direction of gravity, the movable pin 4 can also be designed as a telescopic rod installed on the mounting hole 24. The telescopic rod can be implemented by means such as transition fit or threaded fit. The extension length of the telescopic rod is controllable, so as to selectively control the telescopic rod to extend into the locking hole 31 to lock the axle 3.

[0043] like Figure 2And Figure 3 As shown, the support part comprises a pair of lock structure including two oppositely arranged end caps 1, the rotating part comprises a disc body 2 rotatably arranged on the pair of lock structure, the disc body 2 is arranged between the two end caps 1, the disc body 2 is provided with a movable groove capable of partially or wholly accommodating the nail piece 3, the rotating part is provided with the nail piece 3 which is arranged in the movable groove in an openable and closable manner, and the mounting hole 24 is arranged on the movable groove.

[0044] The outer side of the end cap 1 is provided with a finger rest groove 12 matched with the finger position, which can be used for supporting the rotation of the gyroscope body by fingers, and two fingers are clamped on the finger rest groove 12, so that the force is more relaxed, and the interesting of playing is improved. Specifically, when clamping the finger tip gyroscope through the finger rest groove 12, the thumb and the index finger are clamped or the thumb and the middle finger are clamped, and then the middle finger or the ring finger is used to rotate the rotating part, so that the toy is played in this way, the grip feeling is strong, and the nail gyroscope can also be easily completed to top the finger and jump the finger, which fully meets the needs of different players. The end cap 1 located on one side of the front surface of the gyroscope is provided with an opening indicating the front surface of the gyroscope.

[0045] As shown in Figure 8 The pair of lock structure further comprises a bearing body 6 arranged between the two end caps 1, the disc body 2 is rotatably arranged on the bearing body 6, each end cap 1 is provided with a protruding connecting column 11, the two connecting columns 11 are connected by threads, buckles or plug-in connection to form the pair of lock structure, the bearing body 6 is arranged on the connecting column 11, and the rotating part is arranged on the bearing body 6 and is also pressed between the two end caps 1.

[0046] As shown in Figure 2 And Figure 3As shown, the disc body 2 comprises an upper disc body 21 and a lower disc body 22 arranged oppositely, the central part of the upper disc body 21 and the lower disc body 22 is provided with a boss 25, a plurality of cavities 27 and through holes 28 are formed on the boss 25, the upper disc body 21 and the lower disc body 22 can be connected by the through holes 28 penetrating the bolts or the concave-convex parts arranged between the bosses 25, or by other ways such as insertion, so that the upper disc body 21 and the lower disc body 22 are connected to form the whole disc body 2, or the upper disc body 21 and the lower disc body 22 can be directly pressed and fixed by the two end covers 1 to keep synchronous rotation, the upper disc body 21 and the lower disc body 22 have an outer edge part 26 relative to the boss 25, when the upper disc body 21 and the lower disc body 22 are connected, the upper and lower outer edge parts 26 leave a gap, so that the upper disc body 21 and the lower disc body 22 can be enclosed to form the movable groove, the upper disc body 21 and the lower disc body 22 press the nail plate 3 in the movable groove, the mounting hole 24 is arranged on the upper disc body 21 or the lower disc body 22, the locking hole 31 is formed on the side of the nail plate 3 close to the mounting hole 24, in this embodiment, the locking hole 31 is arranged on the side close to the front of the top, and the mounting hole 24 is correspondingly arranged on the upper disc body 21, the locking hole 31 is a blind hole, which is a through hole 28 connecting the surface layer and the inner layer without penetrating the whole plate, the length of the movable pin 4 is greater than the depth of the locking hole 31, and the length of the movable pin 4 is less than or equal to the depth of the mounting hole 24.

[0047] As shown in the drawings, Figure 6 In this embodiment, guide rails 23 are formed on the upper disc body 21 and the lower disc body 22, and sliding blocks 32 are arranged on both sides of the nail plate 3, the upper and lower surfaces of the nail plate 3 are slidably arranged on the guide rails 23 through the sliding blocks 32. In some embodiments (not shown in the drawings), the disc body 2 can be designed in a single piece or a single block, a movable groove is formed on the disc body 2, and the nail plate 3 is arranged on the movable groove in a sliding or rotating manner, the sliding block 32 can be in the shape of "T" or swallowtail to prevent loosening, and the end cover 1 can press and install the nail plate 3 in cooperation with the disc body 2.

[0048] As shown in the drawings, Figure 2 and Figure 3 In this embodiment, the disc body 2 is divided into an upper disc body 21 and a lower disc body 22, the mounting hole 24 is in the shape of a counterbore and is arranged on the upper disc body 21 or the lower disc body 22, in some embodiments (not shown in the drawings), the mounting hole 24 can be arranged on the upper disc body 21 or the lower disc body 22, and the locking hole 31 can also be designed as a through hole, such a structure can increase the stroke of the movable pin 4, and the adjustment feedback of the locked position and the unlocked position is more obvious; in some embodiments (not shown in the drawings), the mounting hole 24 can be designed as a through hole 28, which penetrates the outside of the disc body 2, so that the movable pin 4 can be directly inserted into the locking hole 31 from the outside of the disc body 2 to lock, or the movable pin 4 can be directly operated from the outside of the disc body 2 to move to the unlocked position to release the lock.

[0049] AsFigure 2 and Figure 3 As shown in the figure, in the embodiment, the number of the nail pieces 3 is three and they are arranged in a ring equidistant manner around the supporting part, and in some embodiments, the number of the nail pieces 3 is not limited.

[0050] As shown in the figure, Figure 1 and Figure 3 In the embodiment, the activity pin 4, the locking hole 31 and the magnet 5 are used to generate a force between the nail piece 3 and the rotating part, when the nail piece 3 generates a centrifugal force greater than the attraction force between the magnets, the nail piece 3 will be unfolded outward for a stroke, the rotating diameter of the top is increased, the shape is changed, and the open-nail deformation effect is achieved; after the nail piece 3 is thrown out due to the centrifugal force, when the kinetic energy is reduced and the centrifugal force is less than the attraction force between the magnets, the nail piece 3 will be attracted back to the original position.

[0051] When the nail piece 3 is attracted back to the original position, when the top is upward, due to the action of gravity, the activity pin 4 will partially fall into the locking slot of the nail piece 3, limiting the unfolding of the nail piece 3, at this time the product will become a one-piece hand feeling top; on the contrary, when the bottom is upward, the activity pin 4 will fall into the mounting hole 24 of the rotating part as a whole, without limiting the open-nail; the game can be easily switched by turning the surface, thereby increasing the fun.

[0052] In the embodiment, the accessory is composed of two hollow upper and lower disc bodies 22, three slidable nail pieces 3, a set of male-female matching locking structure, a bearing, a plurality of magnets, three activity pins 4 for limiting the open-nail, etc. The top is internally provided with three activity pins 4, which correspond to the locking hole 31 on the three nail pieces 3 and the mounting hole 24 on the disc body 2, respectively. When the main body provided with the activity pin 4 is upward, due to the action of gravity, the activity pin 4 will partially fall into the locking hole 31 on the nail piece 3, limiting the throwing of the nail piece 3, at this time the product will become a one-piece hand feeling top. On the contrary, when the main body is downward, the pin will be completely withdrawn from the locking hole 31, without limiting the open-nail. The game can be easily switched by turning the surface, thereby increasing the fun. The nail piece 3 can be provided with a luminous tube slot, cooperating with a luminous bead, and forming a cool light effect when rotating.

[0053] It should be understood that those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. A type of open-shell fidget spinner with lockable plates, comprising: The support section has a front and a back side; The rotating part rotates around the support part; The axle can be opened and closed and is mounted on the rotating part, and unfolds outward relative to the rotating part as the rotating part rotates and generates centrifugal force; Its features are, It also includes a locking mechanism having a locked position and an unlocked position, the locking mechanism comprising: Mounting holes are provided on the rotating part; A locking hole is provided on the armor plate, and when the locking hole coincides with the mounting hole, they are connected to form a channel; A movable pin is provided in the mounting hole, and the movable pin can move in the channel; When the movable pin is in the unlocked position, it is inserted into the mounting hole and the locking hole to lock the axle relative to the rotating part; when the movable pin is in the locked position, it is disengaged from the locking hole to allow the axle to unfold relative to the rotating part.

2. The open-shell fidget spinner with lockable plates according to claim 1, characterized in that, The movable pin is configured to move in the channel under gravity, and the support can be selectively flipped to face up or down to move the movable pin to a locked or unlocked position.

3. A lockable, open-plate fidget spinner according to claim 1 or 2, characterized in that, The support part includes a locking structure, the locking structure includes two opposing end caps, the rotating part includes a disc body rotatably disposed on the locking structure, the disc body is disposed between the two end caps, the disc body is provided with a movable groove that can partially or completely accommodate the armor plate, the rotating part is provided with the armor plate being openably and closably disposed in the movable groove, and the mounting hole is opened on the movable groove.

4. A lockable, open-shell fidget spinner according to claim 3, characterized in that, The disc body includes an upper disc body and a lower disc body arranged opposite each other. A gap is left between the outer edges of the upper disc body and the outer edges of the lower disc body. The upper disc body and the lower disc body together form the movable groove. The mounting hole is provided on the upper disc body or the lower disc body. The locking mechanism is provided on the side of the axle close to the mounting hole.

5. A lockable, open-shell fidget spinner according to claim 3, characterized in that, The locking hole is a blind hole, and the length of the movable pin is greater than the depth of the locking hole, but its length is less than or equal to the depth of the mounting hole.

6. A lockable, open-shell fidget spinner according to claim 3, characterized in that, The locking structure also includes a bearing body disposed between the two end caps, and the disc body is rotatably mounted on the bearing body.

7. A lockable, open-shell fidget spinner according to claim 3, characterized in that, The number of armor plates is three.

8. A lockable, open-plate fidget spinner according to claim 1 or 2, characterized in that, The rotating part is provided with a guide rail, which extends radially along the rotating surface of the rotating part, and the armor plate is slidably disposed on the guide rail.

9. A lockable, open-plate fidget spinner according to claim 1 or 2, characterized in that, It also includes a reset mechanism that drives the axle to retract and retract toward the rotating part when the centrifugal force is low.

10. A lockable, open-plate fidget spinner according to claim 9, characterized in that, The reset mechanism includes magnets that attract each other and are respectively disposed on the axle and the rotating part.

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