CN211050838U

CN211050838U - Wrist power ball

Info

Publication number: CN211050838U
Application number: CN201921980375.3U
Authority: CN
Inventors: 陈迪乾
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-07-21
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a wrist power ball, there is the shake when aiming at overcoming among the prior art use, the big problem of noise, it includes the spherical shell, the ball core, the opening has been seted up on the spherical shell, first ring channel has been seted up to the inner wall of spherical shell, be provided with the ring body in the first ring channel, first shaft hole and second shaft hole have been seted up on the ring body respectively, the fixed first pivot and the second pivot of being provided with in both sides of ball core, first pivot and second pivot are inserted respectively and are established first shaft hole and second shaft hole, the ball shell includes first shell and lower shell, first shell is fixed to be set up on lower shell, first shell and lower shell cooperation form first ring channel, between ring body and the first shell, all be provided with the rubber packing ring between ring body and the lower shell, set up the elastic device on the ring body, the activity is provided with the driving piece on the ball core, the rotation route of.

Description

Wrist power ball

Technical Field

The utility model belongs to fitness equipment, in particular to a wrist power ball.

Background

The wrist power ball is a body-building apparatus, mainly includes outer spherical shell, interior ball core and torsional spring, and interior ball core rotationally sets up in outer spherical shell, and the torsional spring is used in between interior ball core and the outer spherical shell, when using the wrist power ball, need at first give interior ball core initial velocity to interior ball core produces centrifugal force, and then drives the hand motion of holding on outer spherical shell, thereby plays the effect of tempering finger, wrist, arm.

The traditional Chinese utility model with the authorization number of CN200970441Y discloses a wrist strength training ball with auxiliary activation force, which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are hollow, the upper shell and the lower shell are correspondingly combined, an accommodating space is formed in the upper shell and the lower shell, and the top end of the upper shell is provided with an opening; the rotary ball is accommodated in an accommodating space formed between the upper shell and the lower shell, rotating shafts are respectively arranged on two sides of the rotary ball, and part of the rotary ball is exposed out of the opening of the upper shell; the outer ring is arranged at the top edge of the lower shell, and two ends of the outer ring are respectively provided with a hole for the rotating shafts at two sides of the rotating ball to penetrate and be pivoted; the elastic device is combined at the position of one end of the outer ring relative to the hole and used for compressing elasticity and releasing elasticity; the movable hook arm mechanism is combined on one side of the rotary sphere and connected with the elastic device, the rotary sphere is stirred to enable the movable hook arm mechanism to drive the elastic device to generate compression elastic force, and the rotary sphere is released to enable the elastic device to generate release elastic force to drive the rotary sphere to rotate to generate auxiliary activation torque force and rotation speed.

However, the prior art is not perfect, and due to the size error and the gaps between the outer ring and the upper and lower shells, the rotary ball body on the outer ring easily drives the outer ring to shake during movement, so that the wrist strength ball has the problems of shaking and high noise during use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art and the existing problems, the utility model provides a wrist power ball with smooth movement and small noise.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wrist power ball comprises a ball shell, a ball core, an opening is formed in the ball shell, a first annular groove is formed in the inner wall of the ball shell, a ring body is arranged in the first annular groove, a first shaft hole and a second shaft hole are formed in the ring body respectively, a first rotating shaft and a second rotating shaft are fixedly arranged on two sides of the ball core, the first rotating shaft and the second rotating shaft are inserted in the first shaft hole and the second shaft hole respectively, the ball shell comprises an upper half shell and a lower half shell, the upper half shell is fixedly arranged on the lower half shell, the upper half shell and the lower half shell are matched to form a first annular groove, and rubber gaskets are arranged between the ring body and the upper half shell and between the ring body and the;

the ball is characterized in that the ring body is provided with an elastic device, the ball core is movably provided with a driving piece, the rotation path of the driving piece passes through the elastic device, the driving piece can drive the elastic device to elastically deform when the rotation path of the driving piece passes through the elastic device, and the rotation path of the driving piece can move out of the elastic device under the action of certain centrifugal force.

Preferably, the opening is formed in the upper half shell, the contour of the opening is circular, a plurality of anti-skid grooves are formed in the outer wall of the upper half shell, and the plurality of anti-skid grooves are uniformly formed in the outer wall of the upper half shell along the circumferential direction of the opening.

Preferably, the spherical shell further comprises an anti-slip rubber sleeve, the anti-slip rubber sleeve is arranged outside the upper half shell and the lower half shell, a second annular groove is formed in the matching of the upper half shell and the lower half shell, an annular bulge is formed on the inner side wall of the anti-slip rubber sleeve, and the annular bulge is matched with the second annular groove.

Preferably, the ring body is provided with a guide channel, the whole structure of the guide channel is a strip-shaped hole, the guide channel is communicated with the first shaft hole, the first rotating shaft can enter the first shaft hole through the guide channel, the width of the guide channel is smaller than the diameter of the first shaft hole, and the ring body is made of elastic plastic.

Preferably, the elastic device comprises a storage box, the storage box is fixedly arranged on the ring body, a rotatable driven shaft penetrates through the storage box, a coil spring is arranged in the storage box, one end of the coil spring is fixedly arranged on the storage box, the other end of the coil spring is fixedly arranged on the driven shaft, a first abutting wall is formed on the driven shaft, and when the rotating path of the driving piece passes through the elastic device, the driving piece can abut against the first abutting wall.

Preferably, the object placing box comprises a box body and a box cover, the box body and the box cover are matched to form the object placing box, the coil spring is arranged between the box cover and the box body, a first plug is formed on the box body, a first slot is formed in the ring body, and the first plug is inserted into the first slot.

Preferably, the driving piece is hinged to the ball core, the rotating direction of the driving piece is consistent with that of the ball core, a second abutting wall is formed on the driving piece, and when the rotating path of the driving piece passes through the elastic device, the second abutting wall can be attached to the first abutting wall.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

(1) between ring body and the first shell, all be provided with the rubber packing ring between ring body and the lower half shell, the rubber packing ring is used for filling the clearance between ring body and the first shell, the clearance between ring body and the lower half shell, and when the centrifugal rotation is being done to the ball core, the impact that the rubber packing ring produced on to the ring body plays buffering, shock attenuation and keep balance's effect, also avoid the ring body directly to strike first shell, lower half shell, consequently this wrist power ball has the advantage that the motion is smooth-going, the noise is little and reliable operation.

(2) When using this wrist power ball, the user can remove the driving piece to through the elastic device, dials and changes the core rotation, and the driving piece can drive the elastic device and take place elastic deformation, and the elastic device accumulates elasticity, and after removing external force, the elastic device release elasticity and drive core rotate fast to the driving piece breaks away from the elastic device under the effect of centrifugal force, reaches and gives the higher initial velocity of core, strengthens the centrifugal force that the wrist power ball produced, has improved the exercise effect of wrist power ball.

Drawings

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

fig. 2 is one of the schematic views of the explosion structure of the present invention;

fig. 3 is a second schematic diagram of the explosion structure of the present invention;

fig. 4 is a schematic sectional structure of the present invention;

FIG. 5 is a schematic structural view of a ring body of the present invention;

fig. 6 is a schematic sectional view of the upper and lower half shells of the present invention;

in the figure: 1-spherical shell, 2-spherical core, 3-driving piece, 4-elastic device, 6-ring body, 7-rubber gasket, 11-upper half shell, 12-lower half shell, 13-anti-slip rubber sleeve, 14-first annular groove, 15-second annular groove, 21-first rotating shaft, 22-second rotating shaft, 23-mounting groove, 24-lug, 25-mounting groove, 31-second abutting wall, 41-box body, 42-box cover, 43-driven shaft, 44-coil spring, 61-first shaft hole, 62-second shaft hole, 63-guide channel, 64-first slot, 111-opening, 112-anti-slip groove, 131-annular bulge, 411-first plug and 431-first abutting wall.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 6, a wrist ball includes a ball shell 1, the ball shell 1 is hollow, an opening 111 is formed on the ball shell 1, a ball core 2 is rotatably disposed in the ball shell 1, and a hole is formed on the ball core 2.

The user can insert a soft rope into the hole through the opening 111, and then wind the soft rope around the ball core 2, and the ball core 2 is driven to rotate by pulling the soft rope.

First ring channel 14 has been seted up to the inner wall of spherical shell 1, is provided with ring body 6 in the first ring channel 14, and ring body 6 adaptation has been seted up first shaft hole 61 and second shaft hole 62 on the ring body 6 respectively in the first ring channel 14, and the both sides of ball core 2 are fixed and are provided with first pivot 21 and second pivot 22, and first pivot 61 and second shaft hole 62 are worn to locate respectively by first pivot 21 and second pivot 22 to ball core 2 can rotate on ring body 6.

The axial center of the first rotating shaft 21, the axial center of the second rotating shaft 22, and the axial center of the core 2 coincide with each other, and the center of gravity of the core 2 and the axial center of the core 2 are offset from each other, so that the core 2 may generate a centrifugal force when rotating.

The first rotating shaft 21 and the second rotating shaft 22 are integrally formed on the ball core 2, so that the number of parts is reduced, and the production cost is reduced.

The spherical shell 1 comprises an upper half shell 11 and a lower half shell 12, the overall structure of the left half shell and the right half shell is roughly a hemispherical shell, the upper half shell 11 is fixedly arranged on the lower half shell 12, and the spherical core 2 and the ring body 6 are arranged between the upper half shell 11 and the lower half shell 12, so that the components can be assembled conveniently.

Between ring body 6 and first shell 11, all be provided with rubber packing ring 7 between ring body 6 and the lower half shell 12, rubber packing ring 7 is used for filling the clearance between ring body 6 and the first shell 11, the clearance between ring body 6 and the lower half shell 12, and when the core 2 was doing the centrifugation rotation, rubber packing ring 7 played the buffering to the impact that produces on the ring body 6, shock attenuation and keep balance's effect, also avoid ring body 6 directly to strike first shell 11, lower half shell 12, therefore this wrist power ball has the advantage that the motion is smooth-going, the noise is little and the reliable operation.

The ring body 6 is provided with an elastic device 4, the elastic device 4 can generate elastic deformation when being stressed, and can release elastic force when external force is removed. The ball core 2 is gone up the activity and is set up driving piece 3, and the rotation route of driving piece 3 can pass through elastic device 4, and the rotation route of driving piece 3 passes through elastic device 4, and driving piece 3 can drive elastic device 4 and take place elastic deformation, and the rotation route of driving piece 3 can remove outside elastic device 4 under certain centrifugal force.

Specifically, driving piece 3 can slide on core 2, and driving piece 3 can slide to the direction of keeping away from the spring under the effect of centrifugal force, also can slide to elastic means 4 under self action of gravity on, and in this embodiment, driving piece 3 articulates on core 2, and under self action of gravity, driving piece 3 can rotate to elastic means 4 on to it takes place elastic deformation to drive elastic means 4.

When using this wrist power ball, driving piece 3 can rotate to elastic device 4 under self action of gravity on, the user can dial and turn core 2 and rotate, driving piece 3 can drive elastic device 4 and take place elastic deformation, elastic device 4 accumulation elasticity, after removing external force, elastic device 4 release elasticity and drive core 2 rotate fast, and driving piece 3 breaks away from elastic device 4 under the effect of centrifugal force, reach and give core 2 higher initial velocity, strengthen the centrifugal force that the wrist power ball produced, the exercise effect of wrist power ball has been improved.

The opening 111 is specifically seted up on last half shell 11, and the profile of opening 111 is circular, and the outer wall of last half shell 11 is formed with a plurality of anti-skidding recesses 112, and anti-skidding recess 112 is six, and six anti-skidding recesses 112 evenly form the outer wall of last half shell 11 along opening 111's circumference, and anti-skidding recess 112 coincide with the finger, but user's finger adaptation has improved the comfort, the gripping power and the frictional force of the hand of gripping on spherical shell 1 in anti-skidding recess 112.

Spherical shell 1 still includes anti-skidding rubber sleeve 13, anti-skidding rubber sleeve 13's overall structure is the ring form, anti-skidding rubber sleeve 13 cover is established outside last half shell 11 and lower half shell 12, spherical shell 1 still includes second ring channel 15, first shell 11 and lower half shell 12 cooperation form second ring channel 15, anti-skidding rubber sleeve 13's inside wall is formed with annular bulge 131,

annular bulge

131 and 15 looks adaptations of second ring channel, the protruding adaptation of annular 131 is in second ring channel 15, thereby anti-skidding rubber sleeve 13 keeps the cover to establish outside last half shell 11 and lower half shell 12, the user is when driving the core 2 with the hand, anti-skidding rubber sleeve 13 is used for increasing frictional force, avoid the hand to take place to skid.

The ring body 6 is provided with a guide channel 63, the whole structure of the guide channel 63 is a strip-shaped hole, the guide channel 63 is communicated with the first shaft hole 61, the first rotating shaft 21 can enter the first shaft hole 61 through the guide channel 63, the width of the guide channel 63 is smaller than the diameter of the first shaft hole 61, and the ring body 6 is made of elastic plastic.

When assembling the ball core 2 to the ring body 6, the user can insert the second rotating shaft 22 into the second shaft hole 62, and then introduce the first rotating shaft 21 into the first shaft hole 61 along the guide channel 63, and the assembling process does not need tools and does not use extra fasteners, so that the ball core has the advantages of convenience in assembling and cost reduction.

Elastic device 4 is including putting the thing box, it is hollow to put the thing box, it sets up on ring body 6 to put the thing box fixed, put and wear to be equipped with rotatable driven shaft 43 on the thing box, driven shaft 43 accessible bolt axial is fixed on putting the thing box, it is provided with a roll spring 44 in the thing box to put, the one end of rolling spring 44 is fixed to be set up on putting the thing box, the other end of rolling spring 44 is fixed to be set up on driven shaft 43, driven shaft 43 can drive a roll spring 44 and take place elastic deformation or roll spring 44 and pass through driven shaft 43 release elastic potential energy, be formed with first butt wall 431 on the driven shaft 43, first butt wall 431 radially outwards extends along driven shaft 43, the rotation route of driving piece 3 is through elastic device 4, but driving piece 3 butt is on first butt wall 431, thereby driving piece 3 accessible driven shaft 43 drives a roll spring 44 and takes.

The storage box comprises a box body 41 and a box cover 42, the box body 41 and the box cover 42 are matched to form the storage box, a coil spring 44 is arranged between the box cover 42 and the box body 41, a plug is formed on the box body 41, a first slot 64 is formed in the ring body 6, and a first plug 411 is inserted into the first slot 64, so that the storage box is fixedly arranged on the ring body 6.

The driving piece 3 articulates on core 2, and the rotation direction of driving piece 3 is unanimous with the rotation direction of core 2, is formed with second butt wall 31 on the driving piece 3, and the rotation route that passes through elastic device 4 when driving piece 3, second butt wall 31 can laminate on first butt wall 431, and driving piece 3 and driven shaft 43 face contact are in the same place, are favorable to the transmission of moment of torsion, have improved the efficiency of the motion transmission between roll spring 44 and the core 2.

The first abutting wall 431 and the second abutting wall 31 are both flat surfaces, and when the second abutting wall 31 is attached to the first abutting wall 431, the force action direction of the driving member 3 and the driven shaft 43 passes through the rotation center of the driving member 3.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The wrist power ball is characterized by comprising a ball shell (1) and a ball core (2), wherein an opening (111) is formed in the ball shell (1), a first annular groove (14) is formed in the inner wall of the ball shell (1), a ring body (6) is arranged in the first annular groove (14), a first shaft hole (61) and a second shaft hole (62) are respectively formed in the ring body (6), a first rotating shaft (21) and a second rotating shaft (22) are fixedly arranged on two sides of the ball core (2), the first rotating shaft (21) and the second rotating shaft (22) are respectively inserted in the first shaft hole (61) and the second shaft hole (62), the ball shell (1) comprises an upper half shell (11) and a lower half shell (12), the upper half shell (11) is fixedly arranged on the lower half shell (12), the upper half shell (11) and the lower half shell (12) are matched to form the first annular groove (14), and the ring body (6) and the upper half shell (11), rubber gaskets (7) are arranged between the ring body (6) and the lower half shell (12);

the ball is characterized in that an elastic device (4) is arranged on the ring body (6), the driving piece (3) is movably arranged on the ball core (2), the rotation path of the driving piece (3) can pass through the elastic device (4), the rotation path of the driving piece (3) passes through the elastic device (4), the driving piece (3) can drive the elastic device (4) to generate elastic deformation, and the rotation path of the driving piece (3) can move out of the elastic device (4) under the action of certain centrifugal force.

2. The wrist power ball according to claim 1, wherein the opening (111) is formed in the upper half shell (11), the opening (111) has a circular contour, the outer wall of the upper half shell (11) is formed with a plurality of anti-slip grooves (112), and the plurality of anti-slip grooves (112) are uniformly formed in the outer wall of the upper half shell (11) along the circumferential direction of the opening (111).

3. The wrist power ball according to claim 1 or 2, wherein the ball shell (1) further comprises an anti-slip rubber sleeve (13), the anti-slip rubber sleeve (13) is sleeved outside the upper half shell (11) and the lower half shell (12), a second annular groove (15) is formed by matching the upper half shell (11) and the lower half shell (12), an annular protrusion (131) is formed on the inner side wall of the anti-slip rubber sleeve (13), and the annular protrusion (131) is matched in the second annular groove (15).

4. The wrist power ball according to claim 1, wherein the ring body (6) is provided with a guide channel (63), the guide channel (63) is a strip-shaped hole in the whole structure, the guide channel (63) is communicated with the first shaft hole (61), the first rotating shaft (21) can enter the first shaft hole (61) through the guide channel (63), the width of the guide channel (63) is smaller than the diameter of the first shaft hole (61), and the ring body (6) is made of elastic plastic.

5. The wrist power ball according to claim 1, wherein the elastic device (4) comprises a storage box, the storage box is fixedly arranged on the ring body (6), a rotatable driven shaft (43) penetrates through the storage box, a rolling spring (44) is arranged in the storage box, one end of the rolling spring (44) is fixedly arranged on the storage box, the other end of the rolling spring (44) is fixedly arranged on the driven shaft (43), a first abutting wall (431) is formed on the driven shaft (43), and when the rotation path of the driving member (3) passes through the elastic device (4), the driving member (3) can abut against the first abutting wall (431).

6. The wrist power ball according to claim 5, wherein the storage box comprises a box body (41) and a box cover (42), the box body (41) and the box cover (42) are matched to form the storage box, the coil spring (44) is arranged between the box cover (42) and the box body (41), a first plug (411) is formed on the box body (41), a first slot (64) is formed on the ring body (6), and the first plug (411) is inserted into the first slot (64).

7. A wrist ball according to claim 5 or 6, wherein the driving member (3) is hinged to the core (2), the rotation direction of the driving member (3) is identical to the rotation direction of the core (2), and a second abutment wall (31) is formed on the driving member (3), and when the rotation path of the driving member (3) passes through the resilient means (4), the second abutment wall (31) can abut against the first abutment wall (431).