KR101839517B1

KR101839517B1 - Weight adjustable dumbbell

Info

Publication number: KR101839517B1
Application number: KR1020160099943A
Authority: KR
Inventors: 서정헌
Original assignee: 서정헌
Priority date: 2016-08-05
Filing date: 2016-08-05
Publication date: 2018-03-16
Also published as: KR20180016057A; WO2018026043A1

Abstract

The present invention relates to a weight control type dumbbell for separating and attaching a single support weight from a base weight body according to the use condition of a user or by modularizing two or more support weights by bundling them, will be.
To this end, the weight control type dumbbell has a knob, a base weight supported on both ends of the knob, a first weight and a second weight which are sequentially stacked on the base weight, The first fastening member and the second fastening member. At this time, a base fastening portion is formed in the bayonet body. In the first weight, a first fastening portion communicating with the base fastening portion and a first fastening portion spaced clockwise apart from the first passing portion are formed through the first fastening portion, The weight member is formed with a second passage portion communicating with the first engagement portion and a first passage portion communicating with the first passage portion in a counterclockwise direction at the second passage portion, And when the second fastening member is unscrewed, the second weight is separated from the first weight, and when the first fastening member is unscrewed, the first weight and the second weight are separated from the base weight, And the second weight is separated at the same time.

Description

WEIGHT ADJUSTABLE DUMBBELL

The present invention relates to a weight control type dumbbell, and more particularly, to a weight control type dumbbell which is capable of detachably attaching and detaching a single support weight from a base weight or by modularly combining two or more support weights, Weight dumbbell for easy weight control.

Generally, a dumbbell is a physical fitness training apparatus which is lifted and held with one hand or two hands to develop biceps, triceps, pectoralis major, abdominal muscles, and complete muscles of the body.

Conventional dumbbells show a configuration in which heavy objects of the same weight are combined at both ends of the center rod. Since the dumbbells have heavy objects fixed to the center bar, the user has to have a plurality of dumbbells according to the weight of the heavy objects according to the use conditions.

In addition, in the conventional dumbbells, heavy objects can be attached and detached by screws at both ends of the center bar. However, even in this case, heavy objects can not be attached and detached one by one according to the use conditions of the user.

Korean Registered Patent No. 10-1318546 (entitled "Weight Controlled Dumbbell," published on Mar. 10, 2013)

SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems of the prior art, and it is an object of the present invention to provide a dumbbell apparatus and a dumbbell apparatus in which a single support weight is detachably attached to or detached from a base weight, Weight dumbbell for easy adjustment.

According to a preferred embodiment of the present invention, the weight control type dumbbell according to the present invention comprises: a handle for gripping a user; A base weight supported by both ends of the handle, the base weight being formed through the base fastener; A snap ring member for coupling the base weight to the handle; A supporting weight including a first weight stacked on the base weight and a second weight stacked on the first weight; And a fastening bolt including a first fastening member for fastening the first weight to the base weight and a second fastening member for fastening the second weight to the first weight, The first weight portion is formed with a first passing portion communicating with the base fastening portion and a first fastening portion spaced clockwise apart from the first passing portion through the first fastening portion and the second fastening portion, And a first penetration portion communicating with the first passage portion in a counterclockwise direction is formed in the second passage portion, and the first fastening member passes through the first passage portion The first weight member is separated from the first weight member and the first weight member is disengaged from the first weight member when the screw connection of the second fastening member is released, And the second weight body are separated at the same time.

Here, the support weight may further include a third weight member stacked on the second weight member, and the fastening bolt may include: a third fastening member coupling the third weight member to the second weight member; Wherein a second fastening portion spaced apart in a clockwise direction from the second passing portion is formed in the second weight member, and a third fastening portion is formed in the third weight member so as to be in contact with the third fastening portion, A second penetrating portion that is spaced from the third passing portion in a counterclockwise direction and communicates with the second passing portion; a second penetrating portion that is spaced from the second penetrating portion in a counterclockwise direction and communicates with the first penetrating portion; 1 connection part is formed in the second connection part, and the second connection member is inserted and removed from the second connection part, and the first connection member is inserted and removed from the first connection part.

Here, the supporting weight may further include a fourth weight member stacked on the third weight member, and the fastening bolt may include: a fourth fastening member coupling the fourth weight member to the third weight member; Wherein a third fastening portion spaced clockwise apart from the third passage portion is formed in the third weight member, and a fourth fastener passing through a fourth passage communicating with the third fastening portion is formed in the fourth weight member, A third penetrating portion that is spaced from the fourth passage portion in a counterclockwise direction and communicates with the third passage portion; and a third penetrating portion that is spaced from the third penetrating portion in a counterclockwise direction and communicates with the second penetrating portion, And the second fastening member is inserted into and detached from the second connecting portion, and the third fastening member is inserted and removed from the third fastening member.

Here, the fourth weight is formed with a fourth fastening portion spaced clockwise from the fourth passage so as to be in communication with the first fastening portion, and the first fastening member is connected to the outside Lt; / RTI >

The weight control dumbbell according to the present invention may further include a finishing cover stacked on the fourth weight body and detachably coupled to the fourth weight body by the fourth fastening member, A second finishing section communicating with the third penetration section in a state of being in communication with the first finishing section; and a second finishing section communicating with the fourth finishing section in a counterclockwise direction, And a fourth finishing portion that is spaced from the third finishing portion in a counterclockwise direction and communicates with the fourth engaging portion is formed through the third finishing portion, And passes through the first finishing portion and the fourth passage portion in a supported state, and is screwed to the third fastening portion.

The weight control type dumbbell according to the present invention further includes a bolt assembly tool coupled to the combined body of the base weight and the support weight.

Here, the bolt assembling tool may include an engaging tool portion for rotating the fastening bolt through engagement with the fastening bolt; A coupling grasp portion provided on the coupling tool portion and held by a user; And an assembling / disassembling unit provided at the assembling and holding unit to engage the engaging tool unit and the assembling and holding unit with the supporting weight.

The dumbbell according to the present invention further includes a stop bar coupled to the combined body of the base weight and the support weight to prevent the combination of the base weight and the support weight from rolling over the floor.

Here, the stop bar may include: a fixing part coupled to the base weight; A connecting part extending from the fixing part; A projection extending from the connection portion and protruding from an outer circumferential surface of the combined body of the base weight and the support weight; And a stop detachment portion provided on the fixing portion and coupling the fixing portion to the base weight.

In the weight-adjustable dumbbell according to the present invention, the fourth fastening member is reciprocally moved between the first end portion and the second end portion in accordance with the relative rotation between the fourth weight and the finish cover, 2 Removed from the finish.

In the weight-adjustable dumbbell according to the present invention, the base weight includes a support portion formed to be recessed to receive the snap ring member, and a base center portion penetratingly formed to communicate with the support portion to be inserted into the handle, A limiting jaw supporting the base weight, and an engaging part recessed along the outer circumferential surface to support the retaining member.

According to the weight control type dumbbell according to the present invention, it is possible to attach and detach a single support weight from a base weight body or to attach and detach two or more support weights by bundling them according to a use condition of a user, can do.

In addition, the present invention can easily manufacture dumbbells, vary the weight control range of dumbbells, and reduce manufacturing costs.

In addition, the present invention is advantageous in that it is easy to prevent the bolts from interfering with each other in the coupling between the supporting weights by the fastening bolts and to modularize them by bundling two or more supporting weights, Can be improved.

Further, the present invention can form a bonding pattern of the supporting weight by the structural characteristics of the supporting weight, and can simplify the bonding between the base weight and the supporting weight or the bonding between the supporting weights.

Further, the present invention can protect the base weight and the support weight, absorb shock applied to the dumbbell, and enhance the appearance.

In addition, the present invention facilitates detachment and attachment of the finishing cover from the supporting weight, and facilitates detachment and attachment of the supporting weight even when the finishing cover is engaged.

In addition, according to the structural features of the finishing cover, the supporting weight can be modularized into a single or two or more bundles in combination with the base weight and the supporting weight, thereby facilitating the detachment and attachment.

In addition, the present invention prevents the head of the fastening bolt from protruding from the plate surface of the supporting weight through the counter bore of the passing portion formed in the supporting weight, It is possible to prevent mutual interference or gap formation.

Further, according to the present invention, it is possible to facilitate the turning operation of the finishing cover on the supporting weight, and to easily attach and detach the finishing cover from the supporting weight.

In addition, according to the present invention, it is possible to stabilize the coupling between the base weight and the support weight at the handle, rotate the assembly of the base weight and the support weight at the handle, It is possible to prevent the body and the support weight from being separated from each other.

In addition, the present invention eliminates the need for a tool for threaded engagement, simplifies the attachment and detachment of the support weights from the dumbbell, and facilitates storage of the bolt assembly tool.

In addition, according to the present invention, the weight of the dumbbell can be adjusted according to the user's condition without the need of using a separate tool for weight control and the space is not restricted, and the loss of the bolt assembling tool can be prevented.

Further, the present invention can prevent the dumbbell from rolling on the floor, prevent the stop bar from interfering with the use of the dumbbell, and prevent the stop bar from being lost. In particular, it is possible to freely change the installation position of the stop bar.

Furthermore, the present invention simplifies the attachment and detachment of the dumbbell assembly tool or the stop bar and allows the user to easily meet various usage conditions.

1 is a perspective view illustrating a weight control type dumbbell according to an embodiment of the present invention.
FIG. 2 is a partially exploded perspective view of FIG. 1. FIG.
3 is a perspective view showing the base weight in FIG.
Fig. 4 is a perspective view showing the first weight body in Fig. 2. Fig.
Fig. 5 is a perspective view showing the second weight body in Fig. 2. Fig.
FIG. 6 is a perspective view showing the third weight body in FIG. 2. FIG.
FIG. 7 is a perspective view showing the fourth weight body in FIG. 2. FIG.
FIG. 8 is a perspective view showing the finishing cover in FIG. 2; FIG.
9 is a cross-sectional view showing the main part of the weight-adjustable dumbbell according to the embodiment of the present invention showing the combined state of the base weight and the support weight.
Fig. 10 is a perspective view showing the bolt assembling tool in Fig. 2. Fig.
11 is a perspective view showing the stop bar in Fig.

Hereinafter, an embodiment of a weight control type dumbbell according to the present invention will be described with reference to the accompanying drawings. Here, the present invention is not limited or limited by the examples. Further, in describing the present invention, a detailed description of well-known functions or constructions may be omitted for clarity of the present invention.

FIG. 1 is a perspective view showing a weight control dumbbell according to an embodiment of the present invention, FIG. 2 is a partially exploded perspective view of FIG. 1, FIG. 3 is a perspective view showing a base weight in FIG. Fig. 5 is a perspective view showing the second weight body in Fig. 2, Fig. 6 is a perspective view showing the third weight body in Fig. 2, Fig. 7 is a perspective view showing the second weight body in Fig. FIG. 8 is a perspective view illustrating a finish cover in FIG. 2, and FIG. 9 is a perspective view showing a combination of a base weight and a support weight in a weight control type dumbbell according to an embodiment of the present invention. Fig. 10 is a perspective view showing the bolt assembling tool in Fig. 2, and Fig. 11 is a perspective view showing the stop bar in Fig. 2. Fig.

1 to 11, a weight control type dumbbell according to an embodiment of the present invention includes a handle 10, a base weight 20, a retaining member 90, a support weight 30, And a fastening bolt 40, and may further include a finishing cover 50.

The handle (10) is a portion gripped by the user. The handle 10 is formed into a bar shape.

On the outer peripheral surface of the handle 10, there is formed a friction gripping portion 11 for preventing slippage when the user grasps it. Here, the friction grasp portion 11 is not limited, and slippage of the user can be prevented through various forms.

The handle 10 also includes a limit stop 14 for supporting the base weight 20 and an engaging portion 12 which is recessed along the outer circumferential surface to support the snap ring member 90. [ Here, the limiting jaw 14 may be formed at the end of the friction gripper 11 in accordance with the protrusion of the friction gripper 11.

Further, on both side end sides of the handle 10, the seating portion 13 can be formed to be depressed for engagement with a bolt assembly tool 70 described later.

The base weight 20 is supported at both ends of the handle 10, respectively. At this time, the base fastening portion 21 is formed through the base weight 20. Two or more base fastening portions 21 may be spaced apart at equal intervals along the outer circumferential surface to improve the stability of connection between the base weight 20 and the support weights 30. On the inner circumferential surface of the base fastening portion 21, a thread for screw connection is formed.

Although the base weight 20 shows a disc shape, it is not limited to this, and various shapes such as a polygonal shape and an elliptical shape can be shown.

The base weight 20 is provided with a support portion 22 which is recessed and formed such that a snap ring member 90 is seated to secure the engagement between the handle 10 and the snap ring member 90, And a base center portion 23 penetratingly formed in communication with the base portion 23. The snap ring member 90 is seated on the support portion 22 to prevent the base weight 20 from spreading between the support weights 30. The base center portion 23 is formed through the center portion of the base weight 20.

The first dummy penetration portion 201 and the first dummy penetration portion 202 and the first dummy connection portion 203 are spaced apart from the base coupling portion 21 along the outer circumferential surface, . At this time, the base fastening portion 21, the first dummy passage portion 201, the first dummy penetration portion 202, and the first dummy connection portion 203 are spaced apart from each other at equal intervals, It is possible to simplify the connection between the base weight 20 and the supporting weight 30, and also to make the communication between the holes according to the stacking of the base weight 20 and the supporting weight 30 straight.

The first dummy penetration portion 201 has a shape corresponding to the passing portion formed in the support weight 30 to be described later. The first dummy penetration portion 202 is formed in the support weight 30 And the first dummy connection portion 203 has a shape corresponding to the connection portion formed in the support weight 30 to be described later.

The retaining member (90) engages the base weight (20) with the handle (10). The snap ring member 90 corresponds to the cross-sectional shape of the handle 10, and shows a ring shape. The retaining member 90 is fitted into the engaging portion 12 of the handle 10 and protrudes from the outer peripheral surface of the handle 10. [

The support weights 30 are stacked on a base weight 20. Although the support weight 30 shows a disk shape corresponding to the base weight 20, it is not limited thereto, and may have various shapes such as a polygonal shape and an elliptical shape. The support weight 30 may be formed with a support center portion 304 corresponding to the base center portion 23. The support center portion (304) is formed through the center portion of the support weight (30).

The support weight 30 includes a first weight 31 stacked on the base weight 20 and a second weight 32 stacked on the first weight 31.

The first weight portion 31 has a first passing portion 312 communicating with the base coupling portion 21 and a first coupling portion 311 spaced clockwise from the first passing portion 312, . At least two of the first fastening portions 311 may be spaced at equal intervals along the outer circumferential surface to improve stability of engagement between the first weight 31 and the second weight 32. On the inner circumferential surface of the first fastening portion 311, a screw thread is formed. Although not shown, a thread for screw connection can also be formed on the inner circumferential surface of the first passage portion 312.

The first weight member 31 may be spaced apart from the first passage unit 312 in the counterclockwise direction along the outer circumferential surface thereof so that the second dummy penetration member 302 and the second dummy connection member 303 may be disposed. At this time, the first coupling part 311, the first passing part 312, the second dummy penetration part 302, and the second dummy coupling part 303 are spaced apart from each other at an equal interval to form the supporting weight 30, And the communication between the holes due to the stacking of the support weights 30 can be straightened.

The second dummy penetration portion 302 has a shape corresponding to the penetration portion formed in the support weight 30 to be described later and the second dummy connection portion 303 has a shape corresponding to the connection portion formed in the support weight 30 Represents the corresponding shape.

The second weight 32 has a second passage portion 322 communicating with the first coupling portion 311 and a second passage portion 322 spaced apart from the second passage portion 322 counterclockwise, And a first penetrating portion 323 communicating therewith is formed. Although not shown, a thread for screw connection may be formed on the inner peripheral surface of the second passage portion 322.

The second weight 32 may be formed with a second coupling part 321 spaced clockwise from the second passage part 322 in order to engage with the third weight 33 described later . On the inner circumferential surface of the second fastening portion 321, a screw thread is formed.

The second weight 32 may be spaced apart from the first penetration 323 in the counterclockwise direction along the outer circumferential surface of the second weight 32 so that the second dummy connection portion 303 may be disposed. At this time, the second fastening portion 321, the second passing portion 322, the first penetration portion 323, and the second dummy connection portion 303 are spaced apart from each other at an equal interval, It is possible to straighten the communication between the holes due to the lamination of the support weights 30, as well as to simplify the bonding.

The second dummy connection portion 303 has a shape corresponding to a connection portion formed in the support weight 30 to be described later.

The supporting weight 30 may further include a third weight 33 stacked on the second weight 32. The third weight 33 has a third passage portion 332 communicating with the second coupling portion 321 and a second passage portion 322 spaced from the third passage portion 332 counterclockwise, A second connecting portion 333 communicating with the first connecting portion 333 and a first connecting portion 334 communicating with the first connecting portion 323 in a counterclockwise direction at the second connecting portion 333 are formed. Although not shown, a thread for screw connection may be formed on the inner circumferential surface of the third passage portion 332.

The third weight 33 may be formed with a third coupling part 331 spaced from the third passage 332 in the clockwise direction in order to engage with the fourth weight 34, . On the inner circumferential surface of the third fastening portion 331, a thread for screw connection is formed.

At this time, the third passing portion 332, the second penetrating portion 333, the first connecting portion 334, and the third connecting portion 331 are spaced apart from each other at an equal interval, It is possible to straighten the communication between the holes due to the stacking of the support weights 30.

The support weight 30 may further include a fourth weight 34 stacked on the third weight 33. The fourth weight 34 has a fourth passage portion 342 communicating with the third coupling portion 331 and a third passage portion 332 spaced counterclockwise from the fourth passage portion 342, And a second connecting portion 344 which is spaced from the third penetrating portion 343 in the counterclockwise direction and communicates with the second penetrating portion 333 is formed through the third penetrating portion 343. Although not shown, a thread for screw connection may be formed on the inner circumferential surface of the third passage portion 332.

Further, the fourth weight 34 may be formed with a fourth coupling part 341 spaced from the fourth passage 342 in the clockwise direction for coupling with the further supporting weight 30 . In other words, the fourth fastening portion 341 is spaced from the second connecting portion 344 in the counterclockwise direction. On the inner circumferential surface of the fourth fastening portion 341, a thread for screw connection is formed. The fourth fastening portion 341 is in communication with the first connecting portion 334 of the third weight body 33. The fourth connecting member 341, the fourth passage 342, the third penetrating member 343 and the second connecting member 344 are spaced apart from each other in the fourth weight member 34, As shown in FIG.

At this time, the fourth passing portion 342, the third penetrating portion 343, the second connecting portion 344, and the fourth connecting portion 341 are spaced apart from each other at equal intervals, It is possible to straighten the communication between the holes due to the stacking of the support weights 30.

The fastening bolt 40 engages the base weight 20 and the first weight 31 via a screw connection or the two support weights 30 that are stacked through a screw connection. The fastening bolt 40 is provided with a head 401 supported by the support weight 30 and a fastening bolt 40 which passes through the passing portion of the support weight 30 on which the head 401 is supported, And a threaded portion 302 extending from the head portion 401 to be engaged. The head portion 401 is provided with a tool engagement portion 403 for engagement with a tool.

The first fastening member 41 of the fastening bolt 40 includes a first head portion and a first screw portion and the second fastening member 42 includes a second head portion and a second screw portion, The third fastening member 43 includes a third head portion and a third threaded portion, and the fourth fastening member 44 includes a fourth head portion and a fourth threaded portion.

The fastening bolt 40 includes a first fastening member 41 and a second fastening member 42 and further includes a third fastening member 43 and further includes a fourth fastening member 44. [

The first fastening member 41 couples the first weight 31 to the base weight 20. The first fastening member 41 is inserted and removed from the first penetrating portion 323. The first fastening member 41 has a first head portion supported by the first weight 31 and a second head portion 31 extending from the first head portion to be screwed to the base fastening portion 21 through the first passing portion 312 As shown in Fig. At least one of the first fastening members 41 is provided corresponding to the number of the base fastening portions 21.

The second fastening member 42 couples the second weight body 32 to the first weight body 31. The second fastening member 42 is inserted into and removed from the second through-hole 333. The second fastening member 42 has a second head portion that is supported by the second weight 32 and a second head portion 322 that passes through the second passing portion 322 and is screwed to the first fastening portion 311 And a second threaded portion extending therefrom. At least one of the second fastening members 42 is provided corresponding to the number of the first fastening portions 311.

The third fastening member 43 couples the third weight body 33 to the second weight body 32. The third fastening member 43 is removed from the third penetrating portion 343. The third fastening member 43 has a third head portion supported by the third weight 33 and a third head portion 332 which is threadedly engaged with the second fastening portion 321 through the third passing portion 332, And a third threaded portion extending therefrom. At least one of the third fastening members 43 is provided corresponding to the number of the second fastening portions 321.

The fourth fastening member 44 couples the fourth weight body 34 to the third weight body 33. The fourth fastening member 44 is exposed to the outside. The fourth fastening member 44 has a fourth head portion supported by the fourth weight member 34 and a fourth head portion 342 which passes through the fourth passage portion 342 and is screwed to the third fastening portion 331, And a fourth threaded portion extending from the second threaded portion. One or more of the fourth fastening members 44 may be provided corresponding to the number of the third fastening portions 331.

The first dummy passage portion 201, the first dummy penetration portion 202, the first dummy connection portion 203, the second dummy penetration portion 302 and the second dummy connection portion 303 are formed on the weight members The base weight 20 and the support weights 30 can be manufactured from one metal mold.

Although not shown, a space through which the head portion 401 of the fastening bolt 40 is seated can be formed in a portion of the fastening bolt 40 through which the threaded portion 402 passes, through the count core.

The finishing cover (50) is laminated to the fourth weight (34). The finish cover 50 may wrap the stacked support weights 30. The finishing cover 50 is detachably coupled to the fourth weight body 34 by a fourth fastening member 44. [

More specifically, the finishing cover 50 is provided with a first finishing portion 51 communicating with the fourth passage portion 342 so as to allow the fourth thread portion to pass therethrough, a second finishing portion 51 communicating with the third finishing portion 51 in a state of being in communication with the first finishing portion 51, A third closing part 53 communicating with the second connecting part 344 in a counterclockwise direction at the second closing part 52 and a third closing part 53 communicating with the second closing part 344; And a fourth finishing portion 54 spaced from the first finishing portion 53 in the counterclockwise direction and communicating with the fourth finishing portion 341.

The fourth fastening member 44 is urged toward the first closing portion 51 and the fourth passing portion 342 of the finishing cover 50 by the fourth screw portion in a state in which the fourth head portion is supported by the finishing cover 50. [ And is screwed to the third fastening portion 331.

The fourth fastening member 44 reciprocates between the first closing portion 51 and the second closing portion 52 in accordance with the relative rotation between the fourth weight 34 and the finishing cover 50, And can be removed from the second closing portion 52. Likewise, the fastening bolts 40 exposed in the third finishing section 53 or the fourth finishing section 54 can be removed. When the fourth finishing portion 54 and the fourth coupling portion 341 are communicated with each other, the first coupling member 41 is inserted and removed from the first coupling portion 334 and the first penetration portion 323, It can not pass through the fastening portion 341.

The fourth connecting member 341, the fourth passing portion 342, the third penetrating portion 343 and the second connecting portion 344 are spaced from each other along the outer circumferential surface of the fourth weight member 34, Are repeatedly arranged.

Then, corresponding to the fourth weight body 34 stacked on the outermost one of the support weights 30, the finish cover 50 is provided with a first finishing portion 51, a second finishing portion 52, The finishing section 53 and the fourth finishing section 54 are spaced apart from each other at equal intervals to form the fourth passing portion 342, the third penetrating portion 343, the second connecting portion 344, (341).

As shown in FIG. 9, the supporting weight 30 is sequentially stacked on the base weight 20, and the finishing cover 50 is finally stacked.

The fourth finishing section 54 is provided with a fourth coupling section 341, a first coupling section 334, a first penetration section 323, a first passing section 312 and a base coupling section 21, In a straight line around one axis. The second connection portion 344, the second penetration portion 333, the second passage portion 322 and the first connection portion 311 are connected to the third finishing portion 53 by a straight line Lt; / RTI > The third through-hole 343, the third passing portion 332, and the second fastening portion 321 communicate with each other in a straight line around one axis. In addition, in the first closing portion 51, the fourth passing portion 342 and the third fastening portion 331 communicate with each other in a straight line around one axis.

At this time, the first fastening member 41 can be inserted and removed from the first connecting portion 334 and the first penetrating portion 323 which are communicated with each other and exposed to the outside by the fourth fastening portion 341. The first weight 31 is engaged with the base weight 20 through the screw connection using the first passing portion 312 and the base fastening portion 21.

The second fastening member 42 can be inserted and removed from the third closing portion 53, the second connecting portion 344 and the second penetrating portion 333 and the second passing portion 322, The second weight 32 is coupled to the first weight 31 through a screw connection using the first coupling part 311.

The third fastening member 43 has a second closed portion 52 and a third fastening portion 321 which can be inserted and removed from the third penetrating portion 343. The third fastening portion 43 has a second closed portion 52, The third weight body 33 is coupled to the second weight body 32 through screw connection using the second weight body 32. [

The fourth fastening member 44 is exposed to the outside and is screwed to the third weight 33 via the first fastening part 51 and the fourth passing part 342 and the third fastening part 331. [ The fourth weight body 34 is engaged with the fourth weight body 34 so that the finish cover is supported.

First, when screwing through the first fastening member 41 and then threading through the fourth fastening member 44 in this order, the first weight 31 to the fourth weight 32 34) can be laminated in a single sheet.

Secondly, when the screw connection through the fourth fastening member 44 and the screw connection through the first fastening member 41 are performed in order, the first weight member 31 to the fourth weight member 34 are integrally modularized Can be coupled to the base weight (20).

Thirdly, the screw weights are sequentially released in the reverse order of the above-described sheet-to-sheet connection, so that the support weights 30 can be separated into a single sheet by the combination of the base weight 20 and the support weights 30.

Fourthly, when the fastening bolts 40 are unscrewed in accordance with the coupled state, the supporting bolts 40 having the fastening bolts 40 supported thereon and the other supporting weights 30 ) Can be simultaneously removed from the assembly.

For example, when the second fastening member 42 is unscrewed in a state in which the modular support weight 30 is coupled to the base weight 20, the first weight member 31 And the second weight body 32 is separated from the first weight body 31. At this time, the second weight body 32 is bundled with the third weight body 33 and the fourth weight body 34 so as to be integrated and separated from the first weight body 31.

Particularly when the first weight member 31 and the second weight member 32 modularized in the base weight member 20 are engaged with the base weight member 20, The first weight 31 and the second weight 32 are simultaneously separated from the base weight 20. When the second fastening member 42 is disengaged from the first weight 31, The second weight 32 is separated from the second weight 32.

Although not shown, additional connecting portions (not shown) may be formed in the fourth weight 34 between the second connecting portion 344 and the fourth connecting portion 341. The additional connecting portion (not shown) may be communicated with the first connecting portion 334 of the third weight body 33. A fourth closing portion 54 may be provided on the finishing cover 50 in correspondence with an additional connection portion (not shown) provided between the second connecting portion 344 and the fourth coupling portion 341.

The support weights 30 further comprise at least one additional weight (not shown) for further lamination to the fourth weights 34, and the additional bolts (not shown) 40 may further include an additional fastening member (not shown) as described above. A hole is formed in the additional weight (not shown) in the same pattern as the fourth weight 34.

The weight control dumbbell according to an embodiment of the present invention may further include at least one of a bolt assembling tool 70 and a stop bar 80.

The bolt assembling tool 70 is a tool for screw connection, and is detachably coupled to an assembly of the base weight 20 and the support weight 30. The engagement of the bolt assembly tool 70 may include detachably coupling to the end side of the handle 10.

The bolt assembling tool 70 includes an engaging tool portion 71 for rotating the engaging bolt through engagement with the engaging bolt 40, a assembling grasp portion 72 provided on the engaging tool portion 71 and held by the user, And an assembling / disassembling portion 73 provided in the assembly grip portion 72 and coupling the coupling tool portion 71 and the assembly grip portion 72 to the support weight 30. [

When the bolt assembly tool 70 is inserted into the support center portion 304 in a state where the assembly gripper portion 72 closes the support center portion 304, Can be detachably coupled to the coupling body of the support weight (30).

First, the assembly / detachment unit 73 is provided with a magnet having a magnetic force, and is inserted and fixed in an assembly groove 72a provided in the assembly grip unit 72, whereby the bolt assembly tool 70 is mounted on the base weight 20 and the support weights 30, respectively.

Secondly, the assembly / dismounting portion 73 is formed of a magnet having a magnetic force and integrally formed with the engaging tool portion 71 so that the bolt assembling tool 70 can be detachably attached to the seating portion 13 or the supporting center portion 304 Or the like.

The stop bar 80 is provided on the base weight 20 so as to prevent the base weight 20 and the support weight 30 from rolling against the floor when the base weight 20 and the support weight 30 are engaged. 20 and the support weights 30 in a detachable manner.

The stop bar 80 includes a fixed portion 81 coupled to the base weight 20, a connecting portion 83 extending from the fixed portion 81, a connecting portion 83 extending from the connecting portion 83, And a stop detachment section 84 provided on the fixing section 81 and adapted to engage the fixing section 81 with the base weight 20. The protrusion 82 protrudes from the outer circumferential surface of the assembly of the support weight 30 and the support weight 30, .

Here, the fixing portion 81 may be inserted into the first dummy penetration portion 202 or the first dummy connection portion 203. The stopper 80 is fixed to the base weight 20 made of a metallic material by being inserted and fixed in a stop groove portion 81a formed in the fixed portion 81. The stopper portion 80 is formed of a magnet having a magnetic force, As shown in Fig.

Then, since the projecting portion 82 protrudes from the outer peripheral surface of the coupling body in a state where the fixing portion 81 is coupled to the base weight 20, it is possible to prevent the coupling body from rolling on the floor.

The fixing portion 81 and the protruding portion 82 are inserted into the first dummy penetrating portion 202 and the first dummy connecting portion 203 to prevent protrusion of the protruding portion 82, Can be prevented.

According to the above-described weight-adjustable dumbbell, the single support weight 30 can be detachably attached to or detached from the base weight 20 according to the user's use conditions, or two or more support weights 30 can be modularized , Weight control of dumbbells can be simplified. In addition, the production of dumbbells is simple, the weight control range of dumbbells is varied, and the manufacturing cost can be lowered. It is also convenient to prevent the tightening bolts 40 from interfering with each other when the fastening bolts 40 are fastened to each other and to modularize the fastening bolts 40 by bundling two or more supporting weights 30, It is possible to improve the bonding stability between the support member 20 and the support weights 30. The joining pattern of the support weights 30 is formed by the structural features of the support weights 30 and the joining between the base weights 20 and the support weights 30 or the joining between the support weights 30 Can be simplified.

In addition, it is possible to protect the base weight 20 and the support weight 30, absorb shock applied to the dumbbell, and make the appearance more beautiful. In addition, it is easy to attach and detach the finishing cover 50 from the supporting weight 30, and it is easy to attach and detach the supporting weight 30 even if the finishing cover 50 is engaged. In addition, due to the structural feature of the finishing cover 50, the supporting weight 30 can be stably and individually modularized in a combination of the base weight 20 and the supporting weight 30 to facilitate detachment and attachment .

It is also possible to prevent the head portion 401 of the fastening bolt 40 from protruding from the plate surface of the supporting weight 30 through the counter bore of the passing portion formed in the supporting weight 30, Or between the support weight 30 and the finishing cover 50. In this case,

It is also possible to facilitate the turning operation of the finishing cover 50 in the supporting weight 30 and to facilitate the detachment and attachment of the finishing cover 50 on the supporting weight 30. [

It is also possible to stabilize the coupling between the base weight 20 and the support weights 30 in the handle 10 and to prevent the combination of the base weight 20 and the support weights 30 from rotating with the handle 10 And the base weight 20 and the support weight 30 can be prevented from being separated from each other due to the combination of the base weight 20 and the support weight 30. [

In addition, a tool for screw coupling is not required, and the attachment weight of the support weights 30 in the dumbbell can be simplified, and the bolt assembly tool 70 can be easily stored. Also, the weight of the dumbbell can be adjusted according to the user's condition without the need of using a separate tool for weight control in the dumbbell and without being limited by the space, and the loss of the bolt assembling tool 70 can be prevented. In addition, it is possible to prevent the dumbbell from rolling on the floor, to prevent the stop bar 80 from interfering with the use of the dumbbell, and to prevent the stop bar 80 from being lost. In particular, it is possible to freely change the installation position of the stop bar 80. [ In addition, it is possible to simplify the attachment and detachment of the dumbbell with the bolt assembling tool 70 or the stop bar 80, and to easily satisfy the various use conditions of the user.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Modify or modify the Software.

10: Handle 11: Friction grip part 12:
13: seat part 14: limiting jaw 20: base weight
21: base fastening portion 22: support portion 23: base center portion
201: first dummy passage portion 202: first dummy penetration portion 203: first dummy coupling portion
30: support weight 31: first weight 311: first fastening part
312: first passing portion 32: second weight body 321: second fastening portion
322: second passing portion 323: first penetrating portion 33: third weight member
331: third fastening portion 332: third passage portion 333: second penetrating portion
334: first connecting portion 34: fourth weight 341: fourth fastening portion
342: third passing portion 343: third penetrating portion 344: second connecting portion
302: second dummy penetration part 303: second dummy connection part 304: support center part
40: fastening bolt 41: first fastening member 42: second fastening member
43: third fastening member 44: fourth fastening member 401: head portion
402: thread portion 403: tool engaging portion 50: finish cover
51: first closing portion 52: second closing portion 53: third closing portion
54: fourth finishing portion 55: finishing center portion 70: bolt assembly tool
71: engaging tool section 72: assembling grip section 72a: assembling groove section
73: assembled / disassembled portion 80: stop bar 81:
81a: stop groove portion 82: projecting portion 83:
84: stop and detachment part 90: retaining member

Claims

A handle for grasping the user;
A base weight supported by both ends of the handle, the base weight being formed through the base fastener;
A snap ring member for coupling the base weight to the handle;
A supporting weight including a first weight stacked on the base weight and a second weight stacked on the first weight; And
And a fastening bolt including a first fastening member for fastening the first weight to the base weight and a second fastening member for fastening the second weight to the first weight,
Wherein the first weight member includes a first passage portion communicating with the base engaging portion and a first fastening portion spaced clockwise apart from the first passage portion,
Wherein the second weight member has a second passage portion communicating with the first engagement portion and a first passage portion spaced from the second passage portion in a counterclockwise direction and communicating with the first passage portion,
Wherein the first fastening member is inserted and removed from the first penetrating portion,
When the second fastening member is disengaged from the first weight, the second weight is separated from the first weight, and when the first fastening member is disengaged from the first weight, And the second weight is separated at the same time.

The method according to claim 1,
The supporting weight further comprises a third weight body stacked on the second weight body,
The fastening bolt further includes a third fastening member for fastening the third weight to the second weight,
A second fastening portion spaced clockwise apart from the second passage portion is formed in the second weight member,
And a second through portion communicating with the second passing portion in a counterclockwise direction at the third passing portion and a second through portion communicating with the second passing portion, A first connection portion that is spaced apart from the through portion in a counterclockwise direction and communicates with the first penetrating portion is formed through the through hole,
Wherein the second fastening member is detached from the second penetrating portion,
Wherein the first fastening member is detached from the first connection portion.

3. The method of claim 2,
The supporting weight further comprises a fourth weight which is laminated on the third weight,
The fastening bolt further includes a fourth fastening member for fastening the fourth weight to the third weight,
A third fastening portion spaced clockwise apart from the third passage portion is formed in the third weight member,
Wherein the fourth weight body includes a fourth passage portion communicating with the third engagement portion, a third passage portion spaced from the fourth passage portion in a counterclockwise direction and communicating with the third passage portion, A second connecting portion that is spaced apart from the through portion in a counterclockwise direction and communicates with the second through portion,
The third fastening member is inserted into and removed from the third penetrating portion,
And the second fastening member is detached from the second connection portion.

The method of claim 3,
A fourth fastening portion that is spaced clockwise from the fourth passage portion and communicates with the first connection portion is formed in the fourth weight body,
And the first fastening member is exposed to the outside by the fourth fastening portion.

5. The method of claim 4,
And a finish cover which is stacked on the fourth weight body and is detachably coupled to the fourth weight body by the fourth fastening member,
In the finishing cover,
A second finishing portion communicating with the third penetrating portion in a state of being in communication with the first finishing portion; and a second finishing portion communicating with the second finishing portion in a counterclockwise direction, A third closing portion communicating with the second connecting portion and a fourth closing portion communicating with the fourth closing portion in a counterclockwise direction in the third closing portion,
The fourth fastening member
Wherein the weight control dumbbell is threadedly coupled to the third fastening portion while passing through the first finishing portion and the fourth passage portion in a state of being supported by the finishing cover.

6. The method according to any one of claims 1 to 5,
And a bolt assembly tool coupled to the combination of the base weight and the support weight,
The bolt assembling tool includes:
An engaging tool portion for rotating the engaging bolt through engagement with the engaging bolt;
A coupling grasp portion provided on the coupling tool portion and held by a user; And
And an assembling / disassembling unit provided at the assembling and holding unit to engage the combining tool unit and the assembling and holding unit with the supporting weight.

6. The method according to any one of claims 1 to 5,
Further comprising: a stop bar coupled to the combined body of the base weight and the support weight to prevent the combined body of the base weight and the support weight from rolling against the floor.

8. The method of claim 7,
The stop bar
A fixing unit coupled to the base weight;
A connecting part extending from the fixing part;
A projection extending from the connection portion and protruding from an outer circumferential surface of the combined body of the base weight and the support weight; And
And a stop releasable portion provided at the fixed portion and coupling the fixed portion to the base weight.