CN209771198U

CN209771198U - Weight-adjustable dumbbell

Info

Publication number: CN209771198U
Application number: CN201920021512.4U
Authority: CN
Inventors: 刘平
Original assignee: Pride Health Technology (tianjin) Co Ltd
Current assignee: Aoli Technology Shanghai Co ltd
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2019-12-13
Anticipated expiration: 2029-01-07

Abstract

The utility model belongs to the technical field of the dumbbell, especially, be an adjustable dumbbell of weight, including the dumbbell body, the dumbbell body includes dumbbell rod assembly, counter weight piece and base, dumbbell rod assembly includes handle pipe, counter weight body, handle support, adjustment handle and dumbbell body, handle pipe outside both ends are fixed and are provided with the counter weight body, the guide way has been seted up to counter weight body inboard below, the fixed handle support that is provided with in counter weight body top, the inboard top of handle support is provided with adjustment handle, the fixed rack bolt body that is provided with of handle pipe inside; the adjusting handle is arranged at the top end of the handle support, the balance weight pieces on two sides of the dumbbell rod assembly can be simultaneously and quantitatively selected by pressing the adjusting handle downwards, and when the adjusting handle is not pressed, the rack bolt body cannot be randomly moved, so that the balance weight pieces can be safely fixed on the dumbbell rod assembly, the weight of the dumbbell can be adjusted safely and reliably, and convenience is brought to adjusting personnel.

Description

Weight-adjustable dumbbell

Technical Field

The utility model belongs to the technical field of the dumbbell, concretely relates to adjustable dumbbell of weight.

background

the dumbbell is an auxiliary device for weight lifting and body building exercises, is smaller than a barbell, has the weight of 6 pounds, 8 pounds, 12 pounds, 16 pounds and the like for light dumbbell and the weight of 10 kilograms, 15 kilograms, 30 kilograms and the like for heavy dumbbell, is popular among fitness enthusiasts, and is named after soundless exercise.

Chinese patent (patent No. CN201894800N) discloses a weight adjustable dummy, and the weight adjustable dummy selects a weight balance piece through an adjusting handle, but has certain problems.

The prior art has the following problems:

1. In the existing dumbbell, dumbbell adjusting mechanisms are arranged at two ends of the dumbbell, and a bolt body is used for fixing a counterweight sheet with corresponding gravity by using the adjusting mechanisms, so that counterweight selection is inconvenient in the dumbbell using process;

2. when the weight plates are added to the existing dumbbell, only the two ends of the outer side of the dumbbell can be added, and the number of the added weight plates is constant.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a weight-adjustable dumbbell, which has the characteristic of being convenient for adjusting the weight of the dumbbell.

In order to achieve the above object, the utility model provides a following technical scheme: a weight-adjustable dumbbell comprises a dumbbell body, the dumbbell body comprises a dumbbell rod assembly, weight plates and a base, the dumbbell rod assembly comprises a handle tube, weight bodies, a handle support, an adjusting handle and a dumbbell body, the weight bodies are fixedly arranged at two ends of the outer side of the handle tube, a guide groove is formed in the lower portion of the inner side of each weight body, the handle support is fixedly arranged at the top end of each weight body, the adjusting handle is arranged at the top end of the inner side of the handle support, a rack bolt body is fixedly arranged in the handle tube, a gear is arranged in the inner side of the rack bolt body, an adjusting groove is formed in the inner portion of each weight body, close to the upper portion of the rack bolt body, a positioning plate is fixedly arranged at the top end of each weight body, each weight plate comprises an upper oblique port, a long groove and an arc groove, an arc groove is formed in the middle, an upper oblique opening is formed in the inner side of the counterweight plate and close to the upper part of the long groove.

Preferably, the surface of the positioning plate is provided with a weight mark.

preferably, a through hole is formed in the handle tube, and the rack bolt body is fixedly connected with the handle tube through a pin.

Preferably, the internal side wall of the counterweight body is provided with an internal thread, the outer sides of the two ends of the handle pipe are provided with external threads, and the counterweight body is fixedly connected with the handle pipe through the internal thread and the external threads.

Preferably, the middle part of the outer side wall of the handle pipe is provided with anti-skid lines, and the anti-skid lines are in a knurling shape.

Preferably, the number of the rack bolt bodies is two, the two rack bolt bodies are distributed on two sides inside the handle pipe, and the two rack bolt bodies are meshed through the gear.

preferably, the circular arc groove has the same diameter as the rack bolt body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The top end of the handle support is provided with the adjusting handle, the balance weight pieces on two sides of the dumbbell rod assembly can be simultaneously and quantitatively selected by pressing the adjusting handle downwards, and when the adjusting handle is not pressed, the rack bolt body cannot move randomly, so that the balance weight pieces can be safely fixed on the dumbbell rod assembly, the weight of the dumbbell can be adjusted safely and reliably, and convenience is brought to adjusting personnel;

2. Carry out between the bolt body with two racks and together through the gear, two rack bolt bodies pass through the gear can be simultaneously extend and shorten, when needing to add the weight stack on the dumbbell body, bolt the body with two racks and pass through the outside extension of gear box then add the weight stack for the interpolation of weight stack is more convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is an exploded view of fig. 1 according to the present invention;

fig. 3 is a schematic axial sectional view of the dumbbell rod assembly of the present invention;

Fig. 4 is a schematic front view of the dumbbell rod assembly of the present invention;

Fig. 5 is a schematic front sectional view of the dumbbell rod assembly of the present invention;

FIG. 6 is a schematic view of the dumbbell adjusting handle of the present invention;

Fig. 7 is a left side sectional structural view of the weight stack of the present invention;

In the figure: 1. a dumbbell body; 2. an adjusting handle; 3. a handle bracket; 4. a counterweight body; 5. an upper bevel opening; 6. a long groove; 7. an arc groove; 8. a base; 9. a weight plate; 10. a dumbbell bar assembly; 11. a handle tube; 12. a guide groove; 13. an adjustment groove; 14. positioning a plate; 15. a rack key body; 16. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-7, the present invention provides the following technical solutions: a weight-adjustable dumbbell comprises a dumbbell body 1, the dumbbell body 1 comprises a dumbbell rod assembly 10, weight plates 9 and a base 8, the dumbbell rod assembly 10 comprises a handle tube 11, weight bodies 4, a handle support 3, an adjusting handle 2 and the dumbbell body 1, the weight bodies 4 are fixedly arranged at two ends of the outer side of the handle tube 11, a guide groove 12 is arranged below the inner side of each weight body 4, the handle support 3 is fixedly arranged at the top end of each weight body 4, the adjusting handle 2 is arranged at the top end of the inner side of the handle support 3, a rack bolt body 15 is fixedly arranged inside the handle tube 11, a gear 16 is arranged inside the rack bolt body 15, an adjusting groove 13 is arranged inside each weight body 4 and close to the upper part of the rack bolt body 15, a positioning plate 14 is fixedly arranged at the top end of each weight body 4, each weight plate 9 comprises an upper oblique port 5, a long groove 6 and an arc groove 7, the middle part of the inner side of each weight plate 9 is, an upper bevel opening 5 is arranged on the inner side of the counterweight plate 9 near the upper part of the long groove 6.

In this embodiment: the base 8 is used for accommodating the weight plates 9, and the base 8 of the weight plates 9 is provided with grooves matched with the weight plates 9, so that the dumbbell body 1 is supported.

In this embodiment: the arc groove 7 is used for fixing the weight plate 9 on the dumbbell rod assembly 10, the long groove 6 is used for accommodating the dumbbell rod assembly 10, and the upper oblique opening 5 plays a guiding role so that the dumbbell rod assembly 10 can easily fall into the long groove 6.

in this embodiment: when the adjusting handle 2 is pressed downwards, the adjusting pin at the bottom end of the adjusting handle 2 drives the upper rack bolt body 15 to move rightwards, the rack bolt body 15 drives the gear 16 to rotate clockwise, the gear 16 drives the lower rack bolt body 15 to move leftwards, and when the adjusting handle 2 slides to the corresponding weight mark of the positioning plate 14, the weight balance piece 9 with the corresponding weight is fixed on the dumbbell rod assembly 10.

Specifically, the surface of the positioning plate 14 is provided with a weight mark; the weight identification makes the weight that the dumbbell chose to adjust very audio-visual.

Specifically, a through hole is formed in the handle tube 11, and the rack bolt body 15 is fixedly connected with the handle tube 11 through a pin; the pin stably fixes the rack bolt body 15 and the handle tube 11 together, so that the adjusting handle 2 can conveniently adjust the rack bolt body 15.

Specifically, an inner side wall of the counterweight body 4 is provided with an inner thread, outer sides of two ends of the handle tube 11 are provided with an outer thread, and the counterweight body 4 is fixedly connected with the handle tube 11 through the inner thread and the outer thread; the internal thread and the external thread stably fix the weight body 4 and the handle tube 11 together.

Specifically, the middle part of the outer side wall of the handle tube 11 is provided with anti-skid lines which are in a knurling shape; the anti-slip lines prevent the user from sliding when taking the dumbbell body 1.

specifically, two rack bolt bodies 15 are arranged, the two rack bolt bodies 15 are distributed on two sides of the interior of the handle tube 11, and the two rack bolt bodies 15 are meshed through a gear 16; the two rack bolts 15 can be extended and shortened simultaneously by the gear 16.

Specifically, the diameter of the arc groove 7 is the same as that of the rack bolt body 15; the circular arc groove 7 fixes the weight plate 9 on the dumbbell rod assembly 10.

The utility model discloses a theory of operation and use flow: the weight plates 9 are fixed on the dumbbell rod assembly 10 by using the arc grooves 7, the long groove 6 is used for accommodating the dumbbell rod assembly 10, the upper bevel opening 5 plays a guiding role so that the dumbbell rod assembly 10 can easily fall into the long groove 6, when the adjusting handle 2 is pressed downwards, the adjusting pin at the bottom end of the adjusting handle 2 drives the upper rack bolt body 15 to move rightwards, the rack bolt body 15 drives the gear 16 to rotate clockwise, the gear 16 drives the lower rack bolt body 15 to move leftwards, and when the adjusting handle 2 slides to the corresponding weight mark of the positioning plate 14, the weight plates 9 with corresponding weight are fixed on the dumbbell rod assembly 10 so as to adjust the weight of the dumbbell body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A weight-adjustable dumbbell is characterized in that: comprises a dumbbell body (1), wherein the dumbbell body (1) comprises a dumbbell rod assembly (10), a counterweight plate (9) and a base (8), the dumbbell rod assembly (10) comprises a handle tube (11), counterweight bodies (4), a handle support (3), an adjusting handle (2) and the dumbbell body (1), the counterweight bodies (4) are fixedly arranged at two ends of the outer side of the handle tube (11), a guide groove (12) is formed in the lower portion of the inner side of each counterweight body (4), the handle support (3) is fixedly arranged at the top end of each counterweight body (4), the adjusting handle (2) is arranged at the top end of the inner side of each handle support (3), a rack bolt body (15) is fixedly arranged in each handle tube (11), a gear (16) is arranged on the inner side of each rack bolt body (15), an adjusting groove (13) is formed in each counterweight body (4) and close to the upper portion of each rack bolt body (15), the counterweight body (4) top end is fixed and is provided with locating plate (14), states counterweight plate (9) and includes top bevel connection (5), elongated slot (6) and arc groove (7), arc groove (7) have been seted up at counterweight plate (9) inboard middle part, counterweight plate (9) inboard is close to arc groove (7) top has been seted up top bevel connection (5), counterweight plate (9) inboard is close to elongated slot (6) top has been seted up top bevel connection (5).

2. The weight adjustable dumbbell of claim 1, wherein: the surface of the positioning plate (14) is provided with a weight mark.

3. The weight adjustable dumbbell of claim 1, wherein: the handle tube (11) is internally provided with a through hole, and the rack bolt body (15) is fixedly connected with the handle tube (11) through a pin.

4. the weight adjustable dumbbell of claim 1, wherein: the inner side wall of the counterweight body (4) is provided with an internal thread, the outer sides of two ends of the handle pipe (11) are provided with external threads, and the counterweight body (4) is connected with the handle pipe (11) through the internal thread and the external threads in a fixed connection mode.

5. The weight adjustable dumbbell of claim 1, wherein: the handle pipe (11) is characterized in that anti-skid lines are arranged in the middle of the outer side wall of the handle pipe and are in a knurling shape.

6. The weight adjustable dumbbell of claim 1, wherein: the two rack bolt bodies (15) are arranged, the two rack bolt bodies (15) are distributed on two sides of the interior of the handle tube (11), and the two rack bolt bodies (15) are meshed through the gear (16).

7. The weight adjustable dumbbell of claim 1, wherein: the diameter of the arc groove (7) is the same as that of the rack bolt body (15).