阅读说明：本技术 一种哑铃的振动增重机构 (Vibration weight increasing mechanism of dumbbell ) 是由 曹巨元 于 2021-09-22 设计创作，主要内容包括：本发明涉及健身器材技术领域,且公开了一种哑铃的振动增重机构,包括壳体,所述壳体的两端活动连接有哑铃片,所述壳体的两端活动套接有位于哑铃片外侧的限位块。本发明通过设置振动增重机构,使得在使用哑铃进行锻炼时,在遭遇需要增加小重量,不便于进行调节时,通过控制电动机转动,使得电动机转动端带动转动块转动,从而使转动块带动离心块在活动腔内转动,并在活动腔下端的右侧呈断面以及离心块受到离心力的作用下,使离心块快速向外伸出,并对活动腔内壁产生撞击,从而使哑铃整体向下振动,从而小幅度增大锻炼人员锻炼时所需使用的力,避免了可调节哑铃在进行调节时,不便于进行小重量调节,影响哑铃锻炼效果的情况发生。(The invention relates to the technical field of fitness equipment and discloses a vibration weight increasing mechanism of a dumbbell. According to the invention, by arranging the vibration weight increasing mechanism, when the dumbbell is used for exercise, when small weight needs to be increased and adjustment is inconvenient, the rotation end of the motor is controlled to drive the rotating block to rotate by controlling the rotation of the motor, so that the rotating block drives the centrifugal block to rotate in the movable cavity, the centrifugal block rapidly extends outwards and impacts the inner wall of the movable cavity under the action of centrifugal force when the right side of the lower end of the movable cavity is in a section shape and the centrifugal block is subjected to the centrifugal force, and the whole dumbbell vibrates downwards, so that the force needed by an exerciser for exercise is increased in a small range, and the condition that the adjustment of the adjustable dumbbell is inconvenient to perform small weight adjustment and the exercise effect of the dumbbell is influenced is avoided.)

1. The utility model provides a vibration weight gain mechanism of dumbbell, includes casing (1), its characterized in that: the utility model discloses a dumbbell piece, including casing (1), stopper (5) that are located the dumbbell piece (2) outside have been cup jointed in the both ends activity of casing (1), the middle part fixed mounting of casing (1) inner chamber has motor (3), the both ends fixedly connected with of motor (3) is located rotor (4) at casing (1) both ends inner chamber middle part, the middle part activity of rotor (4) has been cup jointed and is located centrifugal piece (6) of casing (1) both ends inner chamber, the inner of centrifugal piece (6) is located rotor (4), and the outer end of centrifugal piece (6) is located the middle part of the inner chamber at casing (1) both ends and rotor (4) surface, the rotor (4) outside is formed with the activity chamber (14) that are located the cavity of rotor (4) outer end through the opposition at casing (1) both ends, the shape in activity chamber (14) is the ring form, and the right side of the lower end of the movable cavity (14) is in a cross-sectional shape.

2. The vibratory weighting mechanism of a dumbbell of claim 1, wherein: the inner chamber of turning block (4) is provided with the chamber (7) of ventilating that supplies centrifugal block (6) inner activity, air blow groove (8) that will ventilate chamber (7) and activity chamber (14) intercommunication are seted up to the inboard of turning block (4), venthole (9) that will ventilate chamber (7) and external intercommunication are seted up to the inboard of casing (1), chamber (11) of breathing in has been seted up at the middle part of turning block (4), and the outer end and the chamber (7) intercommunication of breathing in chamber (11), air blow groove (10) with external and chamber (11) intercommunication of breathing in are seted up at the both ends of casing (1), chamber (11) of breathing in and air blow groove (8) are one-way hole, and the direction of switching on of chamber (11) of breathing in and air blow groove (8) is switched on to inner by the outer end at casing (1) both ends.

3. The vibratory weighting mechanism of a dumbbell of claim 2, wherein: stopper (5) middle part is located air channel (10), pressure boost piece (12) have been cup jointed in the middle part activity of stopper (5), the inboard inside end slope of pressure boost piece (12), and the outer end of pressure boost piece (12) and the inner wall contact of air channel (10), the upper surface at the middle part of pressure boost piece (12) and stopper (5) middle part passes through spring (13) swing joint.

4. The vibratory weighting mechanism of a dumbbell of claim 1, wherein: the rotating speed of the rotating blocks (4) at the two ends of the motor (3) is the same, and the movable cavities (14) of the inner cavities at the two ends of the shell (1) are in mirror symmetry.

5. The vibratory weighting mechanism of a dumbbell of claim 2, wherein: the number of the air outlet holes (9) at the two ends of the shell (1) is only one, the air outlet holes are positioned at the outer side of the air blowing groove (8), and the positions of the air outlet holes (9) and the lower end section of the movable cavity (14) are positioned at the same side.

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a vibration weight increasing mechanism of a dumbbell.

Background

The dumbbell is a very common body-building apparatus, it mainly includes holding rod and dumbbell piece, the dumbbell piece dress is at the both ends of holding rod, be "worker" word form, the dumbbell separates into traditional dumbbell and adjustable dumbbell according to its weight regulating capacity, traditional dumbbell divide into multiple model according to the weight difference, its weight is not adjustable, and adjustable dumbbell, its structure disposes polylith dumbbell piece at the both ends of dumbbell rod, fix through bolt and nut, the user can dismantle the dumbbell piece as required, change dumbbell piece quantity and change dumbbell weight.

Adjustable dumbbell is when adjusting its weight, the step of dismouting bolt and nut is comparatively loaded down with trivial details, and its weight regulating power is fixed, be not convenient for carry on little weight and increase, the effect is tempered in the influence, and when fixing through bolt and nut, because bolt and nut is meeting with the vibration after, the condition that can appear not hard up or drop, thereby lead to having the dumbbell piece to drop and pound the potential safety hazard of hindering, when taking exercise, the palm of the hand position is held the dumbbell owing to need great grip, make it sweat easily, thereby influence the effect of controlling of dumbbell, lead to having the potential safety hazard that the dumbbell wholly dropped.

Disclosure of Invention

Aiming at the defects of the existing dumbbell in the use process in the background technology, the invention provides the vibration weight increasing mechanism of the dumbbell, which has the advantages of vibration weight increase, palm blowing and air pressure fixation, and solves the technical problems that the dumbbell is inconvenient to adjust the weight and the palm sweats or bolts are loosened to cause potential safety hazards in normal use.

The invention provides the following technical scheme: the utility model provides a vibration weight gain mechanism of dumbbell, includes the casing, the both ends swing joint of casing has the dumbbell piece, the stopper that is located the dumbbell piece outside is cup jointed in the both ends activity of casing, the middle part fixed mounting of casing inner chamber has the motor, the both ends fixedly connected with of motor is located the turning block at casing both ends inner chamber middle part, the middle part activity of turning block has cup jointed the centrifugal piece that is located casing both ends inner chamber, the inner of centrifugal piece is located the turning block, and the outer end of centrifugal piece is located the middle part of the inner chamber at casing both ends and turning block surface, the turning block outside and casing both ends are formed with the activity chamber that is located the cavity of turning block outer end through the opposition, the shape in activity chamber is the ring form, and the right side of activity chamber lower extreme is the cross-section form.

Preferably, the inner chamber of turning block is provided with the chamber of ventilating that supplies the inner activity of centrifugal block, the air blow groove that will ventilate chamber and activity chamber intercommunication is seted up to the inboard of turning block, the venthole that will ventilate chamber and external intercommunication is seted up to the inboard of casing, the chamber of breathing in has been seted up at the middle part of turning block, and the outer end in chamber of breathing in and the chamber intercommunication of breathing in, the air blow groove with external and the chamber intercommunication of breathing in is seted up at the both ends of casing, the chamber of breathing in and air blow groove are one-way hole, and the direction of switching on of chamber of breathing in and air blow groove is the outer end by the casing both ends to the inner end switch on.

Preferably, the stopper middle part is located the air duct, the briquetting has been cup jointed in the middle part activity of stopper, the inboard inside end slope of briquetting, and the outer end of briquetting and the inner wall contact of air duct, the middle part of briquetting and the upper surface at stopper middle part pass through spring swing joint.

Preferably, the rotating speeds of the rotating blocks at the two ends of the motor are the same, and the movable cavities of the inner cavities at the two ends of the shell are in mirror symmetry.

Preferably, the number of the air outlet holes at the two ends of the shell is only one, the air outlet holes are positioned at the outer side of the air blowing groove, and the positions of the air outlet holes and the section of the lower end of the movable cavity are positioned at the same side.

The invention has the following beneficial effects:

1. according to the invention, by arranging the vibration weight increasing mechanism, when the dumbbell is used for exercise, when small weight needs to be increased and adjustment is inconvenient, the rotation end of the motor is controlled to drive the rotating block to rotate by controlling the rotation of the motor, so that the rotating block drives the centrifugal block to rotate in the movable cavity, the centrifugal block rapidly extends outwards and impacts the inner wall of the movable cavity under the action of centrifugal force when the right side of the lower end of the movable cavity is in a section shape and the centrifugal block is subjected to the centrifugal force, and the whole dumbbell vibrates downwards, so that the force needed by an exerciser for exercise is increased in a small range, and the condition that the adjustment of the adjustable dumbbell is inconvenient to perform small weight adjustment and the exercise effect of the dumbbell is influenced is avoided.

2. According to the invention, by arranging the palm air blowing mechanism, when the dumbbell is used for exercise and the vibration weight increasing mechanism normally works, the air suction cavity continuously sucks air under the action that the centrifugal block, the air suction cavity and the air blowing groove are communicated in an outward and inward one-way mode, and the air is discharged to the palm through the air outlet hole, so that the palm is blown with sweat, and the situation that the potential safety hazard that the whole dumbbell falls down is caused because the palm sweats to influence the holding effect of the dumbbell when the exercise is performed is avoided.

3. According to the invention, through the arrangement of the air pressure fixing mechanism, when the palm air blowing mechanism normally works under the action of the vibration weight increasing mechanism, when air is continuously sucked in the air suction cavity through the vent groove, the middle inclined plane of the pressure increasing block is forced to be pushed outwards under the action of continuous circulation of air into the air suction cavity, so that the pressure increasing block overcomes the elastic force of the spring to move outwards, the outer side of the pressure increasing block is in close contact with the outer side of the vent groove, the pressure between the pressure increasing block and the vent groove is increased, the friction force of the pressure increasing block is further increased, the limiting block cannot fall off even if the limiting block is vibrated, and the situation that the bolt and the nut are loosened or fall off after being vibrated, and the potential safety hazard that the dumbbell piece falls off and is injured is avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a side cross-sectional structural view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a dumbbell sheet; 3. an electric motor; 4. rotating the block; 5. a limiting block; 6. a centrifugal block; 7. a vent lumen; 8. an air blowing groove; 9. an air outlet; 10. a vent channel; 11. an air suction cavity; 12. a pressure increasing block; 13. a spring; 14. a movable cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a vibration weight increasing mechanism of a dumbbell comprises a housing 1, wherein dumbbell pieces 2 are movably connected to two ends of the housing 1, limiting blocks 5 positioned on the outer sides of the dumbbell pieces 2 are movably sleeved at two ends of the housing 1, a motor 3 with the same length as the middle of the housing 1 is fixedly installed in the middle of an inner cavity of the housing 1, two ends of the motor 3 are fixedly connected with circular rotating blocks 4 positioned in the middle of the inner cavities of two ends of the housing 1, so that after the motor 3 is started, the rotating ends of the motor 3 can drive the rotating blocks 4 to synchronously rotate, centrifugal blocks 6 positioned in the inner cavities of two ends of the housing 1 are movably sleeved in the middle of the rotating blocks 4, the number of the centrifugal blocks 6 is three to four, the centrifugal blocks 6 are arranged in an equal angle mode with the circle centers of the rotating blocks 4, the inner ends of the centrifugal blocks 6 are positioned in the rotating blocks 4, and the outer ends of the centrifugal blocks 6 are positioned in the inner cavities of two ends of the housing 1 and in the middle of the outer surfaces of the rotating blocks 4, when the rotating block 4 rotates, under the condition that the moving space allows, the centrifugal block 6 can move outwards quickly under the action of centrifugal force, the outer side of the rotating block 4 and two ends of the shell 1 are oppositely provided with the moving cavity 14 which is positioned in the cavity where the outer end of the rotating block 4 is positioned, the shape of the moving cavity 14 is circular, and the right side of the lower end of the moving cavity 14 is in a cross-sectional shape, so that when the rotating block 4 rotates, the centrifugal block 6 can be driven to rotate synchronously, the centrifugal block 6 generates centrifugal force, when the centrifugal block 6 rotates to the cross-sectional shape which is positioned at the lower end of the moving cavity 14, under the action of the centrifugal force, the centrifugal block 6 rapidly extends outwards and collides with the inner wall of the moving cavity 14, so that the shell 1 generates downward vibration integrally, and can be slowly retracted along the inner wall of the moving cavity 14 during subsequent rotation, so that the vibration increasing mechanism can continuously generate vibration during normal operation, thereby reach the effect of weight gain, the slew rate of motor 3 both ends turning block 4 is the same, and the activity chamber 14 of casing 1 both ends inner chamber is mirror symmetry with the central line of casing 1, make when driving turning block 4 through motor 3 and rotate, the produced vibration is the exact same under the effect of vibration weight gain mechanism at casing 1 both ends, thereby ensured when vibration weight gain mechanism assists in gaining weight, the weight of increase, can be comparatively balanced for holding the position, thereby avoided because both ends vibration is uneven, influence personnel's normal body-building effect, the condition that has the potential safety hazard even takes place, the dynamics of weight gain of vibration weight gain mechanism can be controlled through the rotational speed of control motor 3.

Referring to fig. 1, a ventilation cavity 7 for the inner end of the centrifugal block 6 to move is disposed in the inner cavity of the rotating block 4, the diameter of the ventilation cavity 7 is the same as the diameter of the inner end of the centrifugal block 6, so that when the vibration weight increasing mechanism normally works, when the centrifugal block 6 moves up and down, the piston effect can be achieved, the palm air blowing mechanism is quickly started, the inner side of the rotating block 4 is provided with an air blowing groove 8, the air blowing groove 8 communicates the ventilation cavity 7 with the movable cavity 14, so that when the centrifugal block 6 moves inwards in the ventilation cavity 7, air in the ventilation cavity 7 can be extruded out through the air blowing groove 8 and flows into the movable cavity 14, the inner side of the housing 1 is provided with an air outlet 9, and the air outlet 9 communicates the ventilation cavity 7 with the outside, so that when the palm air blowing mechanism continuously inflates air into the movable cavity 14, the air in the movable cavity 14 can be quickly increased in air pressure, so that excessive air can be discharged outwards through the air outlet 9, and the hand holding the middle part of the shell 1 blows air to dry sweat rapidly, the number of the air outlet holes 9 at each end of the shell 1 is only one, and the air outlet holes are positioned at the outer side of the air blowing groove 8, so that when the air blowing groove 8 blows air outwards, part of air can be blown outwards at the first time, the response efficiency of the palm sweat blowing mechanism is increased, the positions of the air outlet holes 9 and the lower end section of the movable cavity 14 are positioned at the same side, when the palm air blowing mechanism works normally, the blown air and the vibration direction of the vibration weight increasing mechanism are the same, so that the air blown outwards through the air outlet holes 9 can be blown at the palm position, the middle part of the rotating block 4 is provided with an air suction cavity 11, the outer end of the air suction cavity 11 is communicated with the air vent cavity 7, when the centrifugal block 6 moves outwards under the action of centrifugal force, the air vent cavity 7 can absorb the air in the air suction cavity 11 for air pressure filling under the action of negative pressure, the vent grooves 10 that communicate the external world with the chamber 11 of breathing in are seted up at the both ends of casing 1, make when the palm of the hand sweat-blowing mechanism normally works, can be through the inside air feed of vent grooves 10 at both ends, gaseous circulation has been ensured, chamber 11 and the gas blow tank 8 of breathing in are one-way hole, and the two direction of switching on is the outer end by casing 1 both ends to inner switches on, make gaseous one-way switch on in the chamber 7 of breathing in, thereby the quick backward flow of gaseous pressure in the movable cavity 14 has been avoided, lead to gas outlet 9 department not have the gaseous condition of blowing out to take place outward, and avoided the gaseous in the chamber 7 of breathing in by the back suction chamber 11 of being pressed when the inside removal of centrifugal block 6, lead to the condition that the gaseous pressure can not change in the movable cavity 14 to take place.

Referring to fig. 1 and 3, the middle of the limiting block 5 is located in the vent groove 10, and protrudes inward by the thickness of one dumbbell sheet 2, so that when the dumbbell sheet 2 is clamped by the air pressure fixing mechanism, enough friction force can be generated to limit the limiting block 5, the middle of the limiting block 5 is movably sleeved with the pressurizing block 12, the inner side of the pressurizing block 12 inclines towards the inner end, the middle of the vent groove 10 is sealed by the vertically opposite pressurizing blocks 12 in a staggered manner, so that when the palm sweat blowing mechanism normally works, when the vent groove 10 supplies air inwards, the pressurizing block 12 can move outwards under the action of pressure generated by air circulation, and the outer end of the pressurizing block 12 contacts with the inner wall of the vent groove 10, so that when the pressurizing block 12 moves outwards, a certain pressure is generated on the inner wall of the vent groove 10, and the friction force between the vent groove 10 and the pressurizing block 12 is rapidly increased, thereby it is spacing to stopper 5, and then reach and carry out the fixed effect of atmospheric pressure to dumbbell piece 2, spring 13 swing joint is passed through to the middle part of pressure boost piece 12 and the upper surface at stopper 5 middle part, make after motor 3 stop work, do not have under the effect of gas circulation in air channel 10, spring 13 can promote pressure boost piece 12 automatic re-setting, thereby make the frictional force between air channel 10 and the stopper 5 reduce, make stopper 5 can outwards take out fast, and then can accomplish the dismantlement and the installation to dumbbell piece 2 fast, thereby increase the regulation efficiency to dumbbell weight.

The using method of the invention is as follows:

vibration weight increment: when a dumbbell is used for exercise and needs to increase light weight and is inconvenient to adjust, the rotating end of the motor 3 is controlled to rotate to drive the rotating block 4 to rotate by controlling the motor 3 to rotate, so that the rotating block 4 drives the centrifugal block 6 to rotate in the movable cavity 14, the centrifugal block 6 rapidly extends outwards when the right side of the lower end of the movable cavity 14 is in a cross section and the centrifugal block 6 is under the action of centrifugal force, and impacts the inner wall of the movable cavity 14, so that the whole dumbbell vibrates downwards, and the force needed by an exerciser to exercise is increased in a small range;

blowing in the palm: when the dumbbell is used for exercise and the vibration weight increasing mechanism works normally, the centrifugal block 6, the air suction cavity 11 and the air blowing groove 8 are communicated in an outward and inward one-way mode, so that the air suction cavity 11 sucks air continuously, air is discharged to the palm through the air outlet holes 9, and accordingly sweat blowing is carried out on the palm;

air pressure fixation: make palm blowing mechanism normal during operation under the effect of vibration weight gain mechanism, when breathing in chamber 11 and constantly breathing in through air channel 10, constantly to breathing in under the effect of intracavity circulation at gaseous, make the 12 middle part inclined planes of briquetting receive the power of outside promotion, make briquetting 12 overcome the outside removal of spring 13 elasticity, and make briquetting 12 outside and air channel 10 outside in close contact with, make the pressure increase between the two, and then increase its frictional force, thereby make stopper 5 even meet the condition that the vibration can not appear droing yet.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.