CN217661273U - Dumbbell with weight adjusting mechanism - Google Patents

Abstract

The utility model discloses a dumbbell with weight adjustment mechanism, including the dumbbell rod, two annular fixed plates of the outer lane fixedly connected with of dumbbell rod, the outer lane cover of dumbbell rod is equipped with the antiskid cover, the antiskid cover is arranged in between two annular fixed plates, the both ends of the outer lane of dumbbell rod all alternate and are connected with a plurality of dumbbell pieces, the surface cover of dumbbell piece is equipped with the rubber sleeve, the open slot has all been seted up at the outer lane both ends of dumbbell rod, the inner wall sliding connection of open slot has annular slider, the equal swing joint in both ends of dumbbell rod inside has the lead screw, lead screw and annular slider threaded connection, the first spacing post of top fixedly connected with of annular slider, drive lead screw and annular slider rotation through rotating the knob, annular slider removes along the open slot under the effect of open slot, thereby drive first spacing post and remove, first spacing post and annular fixed plate press from both sides tightly to the dumbbell piece of installation, make things convenient for us directly add and subtract dumbbell piece through the first spacing post of dismouting, the efficiency of dumbbell equipment has been improved.

Description

Dumbbell with weight adjusting mechanism

Technical Field

The utility model relates to the technical field of sports fitness, in particular to a dumbbell with a weight adjusting mechanism.

Background

The dumbbell is a simple device for strengthening muscle strength training, the main material of the dumbbell is cast iron, and a layer of rubber is coated outside the dumbbell. The dumbbell is held by hands, resistance active exercise and muscle strength training can be performed by using the weight of the dumbbell, the dumbbell has two types of fixed weight and adjustable weight, the fixed weight dumbbell is cast by pig iron, an iron bar is arranged in the middle of the dumbbell, and solid balls are arranged at two ends of the dumbbell for exercise; the barbell with the dumbbell-like size adjustable is characterized in that round iron sheets with different weights are sleeved at two ends of a short iron bar, and the weight can be increased or decreased during weight lifting or body building exercises.

Traditional adjustable dumbbell passes through each dumbbell piece of dumbbell rod threaded connection, and this kind of mode is when adding the dumbbell piece and subtracting the dumbbell piece very good to many people who just begin to practice the dumbbell are when using the dumbbell, and the problem that dumbbell piece interact takes place to become flexible or even drop often appears in traditional adjustable dumbbell, and the dumbbell drops and produces huge impact force and can cause the crack on ground, also can make dumbbell self warp the damage simultaneously, reduces the life of dumbbell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dumbbell with weight adjustment mechanism to solve the problem that proposes among the above-mentioned background art.

For realizing above-mentioned purpose, the utility model provides a following technical scheme dumbbell with weight adjustment mechanism, including the dumbbell rod, two annular fixed plates of the outer lane fixedly connected with of dumbbell rod, the outer lane cover of dumbbell rod is equipped with the antiskid cover, the antiskid cover is arranged in between two annular fixed plates, the both ends of the outer lane of dumbbell rod all alternate and are connected with a plurality of dumbbell pieces, the surperficial cover of dumbbell piece is equipped with the rubber sleeve, the open slot has all been seted up at the outer lane both ends of dumbbell rod, the inner wall sliding connection of open slot has annular slider, the equal swing joint in both ends of dumbbell rod inside has the lead screw, lead screw and annular slider threaded connection, the first spacing post of top fixedly connected with of annular slider.

Preferably, both ends of the dumbbell rod are provided with grooves, the inside of each groove is movably connected with a knob, and a rotating shaft of each knob penetrates through each groove and is fixedly connected with the corresponding lead screw.

Preferably, the outer ring of the knob is provided with a containing groove, and the inner wall of the containing groove is fixedly connected with a spring.

Preferably, one end of the spring is fixedly connected with a second limiting column, and the second limiting column is movably connected with the accommodating groove.

Preferably, a clamping groove is formed in one side of the inner wall of the groove and is connected with the second limiting column in a clamping mode.

Preferably, the surface of the anti-slip sleeve is provided with a plurality of air holes.

The utility model discloses a technological effect and advantage:

(1) The utility model discloses a be provided with annular slider, lead screw, knob, first spacing post and open slot on the dumbbell, drive lead screw and annular slider rotation through rotating the knob, annular slider is horizontal linear motion along the open slot under the effect of open slot to drive first spacing post and remove, first spacing post and annular fixed plate press from both sides the dumbbell piece of installation tightly, have improved the stability of dumbbell, make things convenient for us to directly add the dumbbell piece and subtract the dumbbell piece through dismouting first spacing post, have improved the efficiency of dumbbell equipment;

(2) The utility model discloses a be provided with the knob on the dumbbell, a groove, accomodate the groove, a spring, spacing post of second and draw-in groove, arrange the part of knob outside the recess in, convenient to use person rotates the knob, through the groove of accomodating that is equipped with on the knob, spring and the spacing post of second, with dumbbell piece installation or take off the back, it makes first spacing post press from both sides the dumbbell piece on the dumbbell tightly to rotate the knob, the spacing post of second stretches out the knob outside and get into the draw-in groove blocking under spring action this moment, the knob locks under the spacing post effect of second, thereby lock first spacing post, interact causes the dumbbell wearing and tearing and rock the shakiness between the dumbbell piece has been avoided, the stability of dumbbell has been improved, user's safety has been guaranteed and the life of dumbbell has been improved.

(3) The utility model discloses a be provided with detachable antiskid cover on the dumbbell, the user can change antiskid cover according to the damage degree of antiskid cover, avoids antiskid cover to produce the bacterium under the effect of sweat, has protected user's personal safety, and a plurality of gas pockets have been seted up on antiskid cover's surface, releases the heat of user's hand through the gas pocket for user's experience is felt more comfortablely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the dumbbell rod of the present invention;

fig. 3 is an enlarged schematic view of a point a in fig. 2 according to the present invention.

In the figure: 1. a dumbbell bar; 2. an annular fixing plate; 3. an anti-slip sleeve; 4. an open slot; 5. an annular slider; 6. a screw rod; 7. a knob; 8. a dumbbell sheet; 9. a rubber sleeve; 10. a first limit post; 11. a receiving groove; 12. a spring; 13. a second limit post; 14. a card slot; 15. and (4) a groove.

Detailed Description

The utility model provides a dumbbell with weight adjustment mechanism as shown in fig. 1-3, including dumbbell rod 1, stainless steel is chooseed for use to dumbbell rod 1's material, tricky sweat causes the corruption to the dumbbell when reducing the motion, improve the life of dumbbell, two annular fixed plates 2 of dumbbell rod 1's outer lane fixedly connected with, dumbbell rod 1's outer lane cover is equipped with antiskid cover 3, antiskid absorptive rubber is chooseed for use to antiskid cover 3's material, help the user to hold tightly when effectively getting rid of the sweat of hand, antiskid cover 3 should conveniently dismantle the change, avoid antiskid cover 3 to produce the bacterium under the effect of sweat, both sanitary and improved user's safety, a plurality of gas pockets have been seted up on antiskid cover 3's surface, the heat of user's hand is released through the gas pocket, make user's experience feel more comfortable, antiskid cover 3 arranges in between two annular fixed plates 2, the both ends of dumbbell rod 1's outer lane all are connected with a plurality of dumbbell pieces 8, dumbbell piece 8's surface cover is equipped with rubber sleeve 9, dumbbell rod 1's both ends are all seted up 4 at the both ends of outer lane, the inner wall of annular slider 4, the annular slider 5 that the open slot that slides and is connected with annular slider 5, the top of annular slider is connected with the annular slider 5, the annular slider 10 that the top of the annular slider is all connected with the first screw rod.

As shown in fig. 3, both ends of the dumbbell rod 1 are provided with grooves 15, the inside of each groove 15 is movably connected with a knob 7, a rotating shaft of each knob 7 penetrates through each groove 15 and is fixedly connected with a lead screw 6, an accommodating groove 11 is formed in the outer ring of each knob 7, a spring 12 is fixedly connected to the inner wall of each accommodating groove 11, one end of each spring 12 is fixedly connected with a second limiting column 13, each second limiting column 13 is movably connected with the corresponding accommodating groove 11, a clamping groove 14 is formed in one side of the inner wall of each groove 15, each clamping groove 14 is connected with the corresponding second limiting column 13 in a clamping mode, after the knobs 7 are rotated for one circle, the moving distance of the first limiting columns 10 is just the thickness of the dumbbell pieces 8, the knobs 7 which are rotated for one circle are locked under the action of the second limiting columns 13 and the clamping grooves 14, the first limiting columns 10 are locked, abrasion and shaking instability caused by interaction between the dumbbell pieces 8 are avoided, the stability of the dumbbell is improved, the safety of users is ensured, and the service life of the dumbbell is prolonged.

The utility model discloses the theory of operation: use the utility model relates to a during dumbbell with weight adjustment mechanism, at first pull down first spacing post 10 of fixed mounting on annular slider 5, adorn the dumbbell piece 8 of the same quantity at the both ends to dumbbell rod 1, one deck rubber sleeve 9 is established to the surface response cover of dumbbell piece 8, avoid the dumbbell to drop when protecting dumbbell piece 8 and produce the huge crack that the impact force may cause ground, the quantity of dumbbell piece 8 is selected according to user's exercise plan, install after dumbbell piece 8 and return annular slider 5 with first spacing post 10 again, make spacing post 13 of second break away from the draw-in groove 14 and get into the storage tank 11 that is equipped with on knob 7 through the spacing post 13 of extrusion second, can rotate knob 7 this moment, drive lead screw 6 motion, 6 drive annular slider 5 and remove first spacing post 10, make first spacing post 10 of clamp tight piece 8 of spacing post 10, the stability of dumbbell piece has been improved, loosen spacing post 13 after pressing from both sides tight dumbbell piece 8, make second spacing post 13 receive the effect of spring 12 in the storage tank of second and the dumbbell piece 12, thereby the life-time the life of the protection of the antiskid post 10 has been guaranteed that the life-by 3 and the life-time that the life-up the life of the antiskid cover 3 and 3, thereby the protection of the antiskid piece 3 person that the antiskid is damaged of the antiskid is carried out.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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.

Claims (6)

1. A dumbbell with a weight adjusting mechanism, which comprises a dumbbell rod (1), is characterized in that: the utility model discloses a dumbbell rod, including dumbbell rod (1), outer lane fixedly connected with two annular fixed plates (2) of dumbbell rod (1), the outer lane cover of dumbbell rod (1) is equipped with antiskid cover (3), antiskid cover (3) are arranged in between two annular fixed plates (2), the both ends of the outer lane of dumbbell rod (1) all alternate and are connected with a plurality of dumbbell pieces (8), the surperficial cover of dumbbell piece (8) is equipped with rubber sleeve (9), open slot (4) have all been seted up at the outer lane both ends of dumbbell rod (1), the inner wall sliding connection of open slot (4) has annular slider (5), the equal swing joint in both ends of dumbbell rod (1) inside has lead screw (6), lead screw (6) and annular slider (5) threaded connection, the first spacing post (10) of top fixedly connected with of annular slider (5).

2. The dumbbell having a weight-adjusting mechanism according to claim 1, wherein: grooves (15) are formed in two ends of the dumbbell rod (1), a knob (7) is movably connected inside each groove (15), and a rotating shaft of each knob (7) penetrates through each groove (15) and is fixedly connected with the corresponding lead screw (6).

3. A dumbbell having a weight-adjusting mechanism according to claim 2, characterized in that: the outer ring of the knob (7) is provided with a containing groove (11), and the inner wall of the containing groove (11) is fixedly connected with a spring (12).

4. A dumbbell having a weight-adjusting mechanism according to claim 3, characterized in that: one end fixedly connected with second spacing post (13) of spring (12), spacing post of second (13) with accomodate groove (11) swing joint.

5. A dumbbell having a weight-adjusting mechanism according to claim 2, characterized in that: a clamping groove (14) is formed in one side of the inner wall of the groove (15), and the clamping groove (14) is connected with the second limiting column (13) in a clamping mode.

6. A dumbbell having a weight adjustment mechanism as claimed in claim 1, wherein: the surface of the anti-skid sleeve (3) is provided with a plurality of air holes.

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