KR200474598Y1

KR200474598Y1 - Sectional Dumbbell

Info

Publication number: KR200474598Y1
Application number: KR2020130007322U
Authority: KR
Inventors: 정필조
Original assignee: 신신상사 주식회사
Priority date: 2013-09-02
Filing date: 2013-09-02
Publication date: 2014-09-29

Abstract

The present invention relates to a prefabricated dumbbell, and more particularly to a prefabricated dumbbell structure in which the weight of a dumbbell can be varied by using a replacement of a weight plate, The present invention relates to a new type of prefabricated dumbbell which can be safely and easily replaced without a crash.

Description

Prefabricated dumbbells {Sectional Dumbbell}

Registered Patent No. 10-1294727 (Registered on August 02, 2013) The weight control dumbbell for prefabricated.

A weight plate is fitted to each of the protruding portions 1a of both end portions of the handle bar and the engaging holes 2 are respectively engaged with the outer side surfaces of both weight plates, To a female thread portion of a handle bar by bolts to assemble and use the same,

The coupling member (2) has a protruding portion (2a) formed to fit into a central hole of the weight plate;

A pressing portion 2b extending from the edge of the protruding portion 2a for pressing the side surface of the weight plate,

And a hole (2c) for inserting a bolt passing through the inside of the main body of the coupling hole (2).

However, in the case of the above-described prefabricated dumbbell, in order to replace the weight plate, it is troublesome to replace the weight plate by removing the bolts using a tool such as a spanner, a screwdriver or a wrench, When the bolt is removed, the bolt is separated from the handle bar, and the weight plate is collapsed, resulting in the user being injured.

Therefore, in order to adjust the amount of exercise of the user, it is necessary to replace the weight plate frequently when the weight plate is replaced, and to prevent the weight plate from falling when the weight plate is replaced.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a prefabricated dumbbell which can be adjusted to a user's desired weight by replacing a weight plate, wherein the weight plate can be replaced without a replacement device, It is an object of the present invention to provide a prefabricated dumbbell which can prevent the weight plate from falling.

Another object of the present invention is to provide a prosthetic dumbbell which enables a woman and a senior citizen to perform a variety of exercises at a weight suitable for their own exercise amount by making the exercise even if the weight plate is not mounted and the exercise is weighted only by the constitution of the handle and the disk bolt.

In order to achieve the above object,

According to one form of the invention,

A handle 10 in the form of a rod in which a female screw hole 11 is integrally formed at both central portions thereof;

A screw portion 21 to be screwed to the female screw hole 11 of the handle 10; a latch portion 22 formed on one side of the screw portion 21 to be smaller than the diameter of the screw portion 21; A pair of disc bolts 20 formed integrally with each other;

A weight plate 30 coupled between the handle 10 and the disk bolt 20 and having various weights and having a fitting hole 31 at a central portion thereof;

And a control unit.

In addition, the outer surface of the pressure plate 23 may further include a non-slip part 231 to allow the user to rotate the pressure plate 23 without slipping.

Also, the weight of the handle 10 is 1 kg, and the weight of the disk bolt 20 is 0.5 kg, so that it is possible to exercise without a separate weight plate.

The edge of the female screw hole 11 formed on both sides of the handle 10 may further include an extension 12 for increasing the adhesion with the weight plate 30.

As described above, the prefabricated dumbbell according to the present invention can be easily replaced with a weight suitable for its own momentum because no additional equipment is required for replacing the weight plate. When replacing the weight plate, So that the weight plate can be prevented from falling due to the loosening of the threaded portion, and the weight plate can be safely replaced.

Further, the diameter of the weight plate is made as small as possible to solve the problem of contact with the body such as the chest, and various exercises can be performed.

Further, it is possible to form a widening portion at both ends of the handle at a larger width than the knob to form a wide contact surface with the disk bolt, thereby maintaining the assembled weight plate in a firmly coupled state without shaking.

1 is an exploded perspective view of a prefabricated dumbbell according to the present invention;
FIG. 2 is a partial cross-sectional view of the assembled dumbbell weight plate according to the present invention
Fig. 3 is a partial cross-sectional view of the separated state of the weight plate of the prefabricated dumbbell according to the present invention

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein.

FIG. 1 is an exploded perspective view of the prefabricated dumbbell according to the present invention, FIG. 2 is a partial cross-sectional view of the prefabricated dumbbell weight plate according to the present invention, It is a section view.

As shown in the drawing, the prefabricated dumbbell 100 according to the present invention has a female-threaded hole 11 integrally formed at both central portions thereof, and a rod-shaped knob 11 integrally formed at an edge of the female- A screw part 21 screwed to the female screw hole 11 of the handle 10 and an engaging part 22 formed at one side of the screw part 21 smaller than the diameter of the screw part 21, A pair of disc bolts 20 integrally formed with the pressing plate 23 having the non-slip parts 231 formed on the other side thereof and a pair of disc bolts 20 coupled between the knob 10 and the disc bolts 20, And a weight plate (30) in which a fitting hole (31) is formed,

The handle 10 has a circular rod shape and may preferably have protrusions (not shown) or grooves (not shown) on the surface thereof to more smoothly grasp the user and minimize slippage.

The enlarged portion 12 formed on both sides of the handle 10 is formed such that its end surface is smoothly formed and closely contacted with one side surface of the weight plate 30.

Further, the handle is formed to have a weight of about 1 kg so that women and the elderly can exercise without attaching a weight plate.

The screw bolt 20 is screwed to the female screw hole 11 formed in the handle 10 and connected to the handle 10 and a plurality of weight plates 20 are interposed between the handle 10 and the disk bolt 20. [ (30) is mounted.

The disk bolt 20 is formed to have a weight of about 0.5 kg so that women or the elderly can exercise with the weight of the disk 10 assembled with the disk bolts 20 alone.

When the weight plate 30 is not attached to the disk bolt 20 and the expansion part 12, the screw part 21 is completely screwed into the female screw hole 11 so that the end of the expansion part 12 is inserted into the disk bolt The end face of the enlarged portion 12 and the one side face of the disk bolt 20 come into close contact with each other on both sides of the weight plate 30 when the weight plate 30 is mounted, The weight plate 30 is pressed on both sides and tightly adhered without shaking.

In addition, the disk bolt 20 can rotate the disk bolt 20 without slipping due to sweating or the like when the disk bolt 20 is rotated by the user to adjust the amount of exercise by the non-slip part 231 formed on the outer side .

The engaging portion 22 formed at the end of the threaded portion 21 is installed when the disc bolt 20 is detached from the handle 10 for replacement of the weight plate 30 as shown in FIG. Even when the screw portion is released from the female screw hole 11 in order to prevent the weight plate 30 from being detached from the weight plate 30 when the screw bolt 20 is separated from the screw, So that the weight plate 30 can be prevented from falling down.

The weight plate 30 is slimly shaped so that it can perform various exercises without touching the body. The preformed dumbbell of the present invention allows approximately 3 to 4 pieces of weight plate to be coupled to MAX on both sides.

In addition, the weight plate 30 has a small diameter so that the weight plate 30 does not contact the body such as the chest when the woman uses it.

With the construction of the prefabricated dumbbell according to the present invention as described above, the replacement of the weight plate can be replaced without a separate replacement device, and the weight plate can be prevented from falling down when the weight plate is replaced and can be safely replaced. Even if you do not have weight enough to exercise, women and elderly people can adjust their weight to the appropriate amount of exercise.

While the present invention has been described with reference to the embodiments shown in the accompanying drawings, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

10: Handle 11: Female thread
12: extension part 20: disk bolt
21: screw portion 22:
23: pressure plate 231:
30: Weight plate 31: Insertion ball

Claims

A handle 10 in the form of a rod in which a female screw hole 11 is integrally formed at both central portions thereof;
A screw portion 21 to be screwed to the female screw hole 11 of the handle 10; a locking portion 22 formed at one side of the screw portion 21 to be smaller than the diameter of the screw portion 21; A pair of disc bolts 20 formed integrally with each other;
And a weight plate (30) coupled between the handle (10) and the disk bolt (20) and having various weights and having a fitting hole (31) at a central portion thereof,
When the disk bolt 20 is detached from the handle 10 for replacement of the weight plate 30 due to the configuration of the engaging portion 22 formed on the disk bolt 20, So that the weight plate (30) can be prevented from falling down.

The method according to claim 1,
Further comprising a non-slip part (231) on the outer surface of the pressure plate (23) so that the user can rotate the pressure plate (23) without slipping.

The method according to claim 1,
Wherein the weight of the handle (10) is 1 kg and the weight of the disk bolt (20) is 0.5 kg.

The method according to claim 1,
Further comprising an extension part (12) for increasing the adhesion with the weight plate (30) by the edges of the female screw hole (11) formed on both sides of the handle (10).