CN206881115U

CN206881115U - Finger tip gyro

Info

Publication number: CN206881115U
Application number: CN201720436426.0U
Authority: CN
Inventors: 胡旭辉
Original assignee: NINGBO SUNTHAI BEARING CO Ltd
Current assignee: NINGBO SUNTHAI BEARING CO Ltd
Priority date: 2017-04-24
Filing date: 2017-04-24
Publication date: 2018-01-16
Anticipated expiration: 2027-04-24

Abstract

A kind of finger tip gyro, includes bearing and rotor, and the rotor is rotatably arranged at together centered on bearing, it is characterised in that：The bearing top surface dismountable type lid at the rotor center is equipped with lid, in bearing bottom surface, dismountable type lid is equipped with lower cover, the upper sound-absorbing pad of the energy absorption of noise made of polyester fiber, rubber or resin is set on the inwall of upper lid, the lower sound-absorbing pad of the energy absorption of noise made of polyester fiber, rubber or resin is set on the inwall of lower cover, annular cavity is provided with the inwall of upper lid, the upper sound-absorbing pad is embedded in annular cavity, the bottom surface of upper sound-absorbing pad and the inwall flush of upper lid, the utility model has the advantage of：Upper sound-absorbing pad, lower sound-absorbing pad can effectively absorb gyro and rotate the sound sent, reduce noise；Rotor is provided with N number of head, and rotor profile variation scope is wide, and entertainment effect is good；Overall structure is simple, easy to make, in light weight, can easily take, use is very convenient.

Description

Finger tip gyro

Technical field

A kind of toy for children manufacture technology field is the utility model is related to, especially a kind of finger tip gyro.

Background technology

A kind of existing Application No. CN201320831893.5 is entitled《A kind of strong toy gyroscope game dress of interest Put》Chinese utility model patent disclose a kind of strong toy top gaming devices of interest, including gyro, with gyro coordinate The manual track loop device of device, the manual track loop device are installed on two circles on the handle by handle and in relative shape Metal track ring is formed, and the both ends of the gyro are respectively equipped with the magnetic top point of tool, the top point that the gyro passes through its both ends Connection with two metal track rings and can be rollably installed between the two metal tracks ring along metal track ring.So that the reality During with new be at play, both the flexible whipping of hand or shake can be relied on to allow gyro to be rolled along circuit orbit ring, can made again Gyro can continue to rotate on ground or gameboard after throwing away track under the influence of centrifugal force, and also using manual track Loop device takes back gyro from ground or gameboard to be continued to play carrying out rotation on hand, so substantially increasing the more of game Sample and the interest played is improved, and and can tempers the notice and both hands flexibility ratio of child well.But its shortcoming It is that noise is larger in gyro rotation process, so its structure needs to improve.

The content of the invention

Technical problem to be solved in the utility model be for above-mentioned state of the art and provide it is a kind of simple in construction, It is in light weight, sound small finger tip gyro during rotation.

Technical scheme is used by the utility model solves above-mentioned technical problem：This finger tip gyro, include bearing with Rotor, the rotor are rotatably arranged at together centered on bearing, it is characterised in that：The rotor center Bearing top surface dismountable type lid is equipped with lid, and in bearing bottom surface, dismountable type lid is equipped with lower cover, is set on the inwall of upper lid by polyester Made of fiber, rubber or resin can absorption of noise upper sound-absorbing pad, set on the inwall of lower cover by polyester fiber, rubber or The lower sound-absorbing pad of energy absorption of noise made of resin.

As an improvement, being preferably provided with annular cavity on the inwall of the upper lid, the upper sound-absorbing pad is embedded at annular In cavity, the bottom surface of upper sound-absorbing pad and the inwall flush of upper lid.

Further improve, be preferably provided with annular groove on the inwall of the lower cover, the lower sound-absorbing pad is embedded at ring In connected in star, the top surface of lower sound-absorbing pad and the inwall flush of lower cover.

As an improvement, the upper chuck of circle, the external diameter and axle of upper chuck are preferably convexly equipped with the middle part of the inwall of the upper lid Hold inner ring internal diameter is equal or 0.0~0.1mm of internal diameter less than bearing inner race, when upper be placed on bearing top surface, it is described on Dop is inserted in bearing inner race by elastic deformation to be fastened to one another.

Further improve, be preferably convexly equipped with the lower dop of circle in the middle part of the inwall of the lower cover, the external diameter of lower dop with The internal diameter of bearing inner race is equal or 0.0~0.1mm of internal diameter less than bearing inner race, described when lower cover is placed on bearing bottom surface Lower dop is inserted in bearing inner race by elastic deformation and fixed with each other.

As an improvement, the rotor is preferably provided with N number of head, N number of head is to be evenly spaced apart to be distributed in On same periphery, the N is the natural number more than 2.

Further improve, on each head preferably equipped with can extend rotation time etc. weight balancing weight.

Further improve, the balancing weight is preferably circular block or the metal derby of polygon mat, the metal derby difference On each head of rotor.

Further improve, the top surface of the balancing weight and the top surface flush with head respectively, the bottom surface of the balancing weight Respectively with the bottom surface flush on head.

As an improvement, the top surface of the upper lid protrusion rotor, 0.9 is left between the bottom surface of upper lid and the top surface of rotor ~1.1mm noise reduction space, the bottom surface of the lower cover protrusion rotor, leaves between the top surface of lower cover and the bottom surface of rotor 0.9~1.1mm noise reduction space.

Compared with prior art, the utility model uses is set by polyester fiber, rubber or resin on the inwall of upper lid The upper sound-absorbing pad of manufactured energy absorption of noise, being set on the inwall of lower cover can inhale made of polyester fiber, rubber or resin The lower sound-absorbing pad of noise is received, is the advantages of this structure, upper sound-absorbing pad, lower sound-absorbing pad can effectively absorb gyro and rotate what is sent Sound, reduce noise；Rotor is provided with N number of head, and rotor profile variation scope is wide, and entertainment effect is good；Overall structure letter It is single, it is easy to make, it is in light weight, can easily it take, use is very convenient.

Brief description of the drawings

Fig. 1 is the stereogram of the utility model embodiment application；

Fig. 2 is Fig. 1 structure decomposition figure；

Fig. 3 is Fig. 1 top view；

Fig. 4 is along the profile of line A-A in Fig. 3；

Fig. 5 is the top view of the utility model another kind embodiment；

Fig. 6 is the top view of the utility model another embodiment；

Fig. 7 is the stereogram after upper lid upset in Fig. 2.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing embodiment.

As shown in Figures 1 to 7, the finger tip gyro of the present embodiment, includes bearing 1 and rotor 2, the rotor 2 with It is rotatably arranged at centered on bearing 1 together, the bearing top surface dismountable type lid at the center of rotor 2 is equipped with lid 3, Bearing bottom surface dismountable type lid is equipped with lower cover 4, and being set on the inwall of upper lid 3 can inhale made of polyester fiber, rubber or resin The upper sound-absorbing pad 31 of noise is received, the energy absorption of noise made of polyester fiber, rubber or resin is set on the inwall of lower cover 4 Lower sound-absorbing pad 41.Annular cavity 32 is provided with the inwall of the upper lid 3, the upper sound-absorbing pad 31 is embedded at annular cavity 32 In, the bottom surface of upper sound-absorbing pad 31 and the inwall flush of upper lid 3.Annular groove 42 is provided with the inwall of the lower cover 4, it is described Lower sound-absorbing pad 41 is embedded in annular groove 42, the top surface of lower sound-absorbing pad 41 and the inwall flush of lower cover 4.The upper lid 3 The upper chuck 33 of circle is convexly equipped with the middle part of inwall, the external diameter of upper chuck 33 is equal with the internal diameter of bearing inner race 11 or less than in bearing 0.0~0.1mm of internal diameter of circle 11, when upper lid 3 is placed on bearing top surface, the upper chuck 33, which is inserted in bearing inner race 11, to be led to Cross elastic deformation and be fastened to one another.The lower dop 43 of circle is convexly equipped with the middle part of the inwall of the lower cover 4, lower dop 43 External diameter is equal with the internal diameter of bearing inner race 11 or 0.0~0.1mm of internal diameter less than bearing inner race 11, when lower cover 4 is placed on bearing bottom When on face, the lower dop 43 is inserted in bearing inner race 11 by elastic deformation and fixed with each other.The rotor 2 N number of head 22 is provided with, to be evenly spaced apart to be distributed on same periphery, the N is oneself more than 2 on N number of head 22 So number, N is preferably 2~6 natural number.On each head 22 equipped with can extend rotation time etc. weight balancing weight 21.The balancing weight 21 is the metal derby of circular block or polygon mat, and the metal derby is embedded at every head of rotor 2 respectively In portion 22.The top surface of the balancing weight 21 and the top surface flush with head 22 respectively, the bottom surface of the balancing weight 21 respectively with The bottom surface flush on head 22.The upper lid 3 protrudes the top surface of rotor 2, between the bottom surface of upper lid 3 and the top surface of rotor 2 0.9~1.1mm noise reduction space L is left, the lower cover 4 protrudes the bottom surface of rotor 2, the top surface of lower cover 4 and the bottom of rotor 2 0.9~1.1mm noise reduction space L is left between face.

Claims

1. a kind of finger tip gyro, includes bearing (1) and rotor (2), the rotor (2) is carried out centered on bearing (1) It is rotatably arranged at together, it is characterised in that：The bearing top surface dismountable type lid at rotor (2) center is equipped with lid (3), Bearing bottom surface dismountable type lid is equipped with lower cover (4), is set on the inwall of Shang Gai (3) made of polyester fiber, rubber or resin The upper sound-absorbing pad (31) of energy absorption of noise, being set on the inwall of lower cover (4) can inhale made of polyester fiber, rubber or resin Receive the lower sound-absorbing pad (41) of noise.

2. finger tip gyro according to claim 1, it is characterised in that：It is recessed that annular is provided with the inwall of the upper lid (3) Chamber (32), the upper sound-absorbing pad (31) are embedded in annular cavity (32), the bottom surface of upper sound-absorbing pad (31) and the inwall of upper lid (3) Flush.

3. finger tip gyro according to claim 2, it is characterised in that：It is recessed that annular is provided with the inwall of the lower cover (4) Groove (42), the lower sound-absorbing pad (41) are embedded in annular groove (42), the top surface of lower sound-absorbing pad (41) and the inwall of lower cover (4) Flush.

4. finger tip gyro according to claim 1, it is characterised in that：Circle is convexly equipped with the middle part of the inwall of the upper lid (3) Upper chuck (33), the external diameter internal diameter equal or less than bearing inner race (11) with the internal diameter of bearing inner race (11) of upper chuck (33) 0.0~0.1mm, when upper lid (3) is placed on bearing top surface, the upper chuck (33), which is inserted in bearing inner race (11), passes through bullet Property deformation and be fastened to one another.

5. finger tip gyro according to claim 4, it is characterised in that：Circle is convexly equipped with the middle part of the inwall of the lower cover (4) Lower dop (43), the external diameter internal diameter equal or less than bearing inner race (11) with the internal diameter of bearing inner race (11) of lower dop (43) 0.0~0.1mm, when lower cover (4) is placed on bearing bottom surface, the lower dop (43), which is inserted in bearing inner race (11), passes through bullet Property deformation and it is fixed with each other.

6. according to any described finger tip gyro in claim 1 to 5, it is characterised in that：The rotor (2) is provided with N number of Head (22), for N number of head (22) to be evenly spaced apart to be distributed on same periphery, the N is the natural number more than 2.

7. finger tip gyro according to claim 6, it is characterised in that：It is equipped with to extend on each head (22) and turns The dynamic time etc. weight balancing weight (21).

8. finger tip gyro according to claim 7, it is characterised in that：The balancing weight (21) is circular block or polygon mat Metal derby, the metal derby respectively embedded at rotor (2) each head (22) on.

9. finger tip gyro according to claim 8, it is characterised in that：The top surface of the balancing weight (21) with respectively with head (22) top surface flush, the bottom surface of the balancing weight (21) the bottom surface flush with head (22) respectively.

10. according to any described finger tip gyro in claim 1 to 5, it is characterised in that：Upper lid (3) the protrusion rotor (2) top surface, 0.9~1.1mm noise reduction space (L) is left between the bottom surface of upper lid (3) and the top surface of rotor (2), it is described The bottom surface of lower cover (4) protrusion rotor (2), leaves 0.9~1.1mm's between the top surface of lower cover (4) and the bottom surface of rotor (2) Noise reduction space (L).