KR20220107853A - Fitness chair using gear - Google Patents

Abstract

The present invention relates to a health chair using a gear. The health chair using a gear includes: a support provided in a lower part of a seating part; a support rod coupled with the support while extended upward; an armrest coupled with one side of the support rod to be rotatable; a rotary unit connected to the armrest and rotated together with the rotation of the armrest; a rotary frame provided in a lower part of the seating part and coupled with a first gear; a first transfer unit provided in the rotary unit, while rotated together with the rotation of the rotary unit; a second transfer unit provided in the rotary frame, while rotated in contact with the first transfer unit by the rotation of the rotary unit; a support frame coupled with the lower part of the seating part; a second gear coupled with the support frame and interlocked with the first gear; and a central rod having a rack gear provided in an upper part of a leg part, wherein the second gear is interlocked with the rack gear, and, when the rotary unit is rotated by the rotation of the armrest, the rotary frame is rotated as a rotation force of the rotary unit is transferred to the rotary frame by the first and second transfer units, the first and second gears are rotated in accordance with the rotation of the rotary frame, the second gear is moved up and down along the rack gear while being rotated, the support frame combined with the second gear and the seating part combined with the support frame are moved up and down in accordance with the vertical movement of the second gear. Therefore, the present invention is capable of enabling a user to do exercise regardless of time and place.

Description

Health chair using gear {Fitness chair using gear}

The present invention relates to a health chair using a gear, and more particularly, a gear capable of exercising through the chair without restriction in a place by providing a device that can exercise using the user's weight in an office chair, a student chair, etc. It relates to a health chair using

With the recent outbreak of infectious diseases such as Corona, non-face-to-face contact is socially required. In addition, as the possibility of infection due to indoor exercise in collective facilities such as aerobics academy, table tennis club, and health club increases, indoor exercise in collective facilities is prohibited. Accordingly, there is a need for development of a method that enables an individual to easily exercise in a space of daily life.

Accordingly, various exercise equipment that can be exercised by an individual in the space of daily life has been developed, but such exercise equipment is limited in time and space. Specifically, home indoor exercise equipment, such as a treadmill, a squat machine, and a cycle, has a problem that requires a separate installation space.

In addition, there is a problem in that time and space restrictions occur because home indoor exercise equipment can be used after work or must be moved to a place where home indoor exercise equipment is installed.

In particular, it is difficult for office workers or students who sit most of the day to exercise separately, and it is difficult to exercise by installing indoor exercise equipment at home.

The present invention is to solve the above-mentioned problems, and more particularly, as a device capable of exercising using the user's body weight is provided in office and student chairs, etc., a gear capable of exercising through a chair without restrictions in places It relates to a health chair using

A health chair using a gear of the present invention for solving the above-described problems is a chair including a leg portion, a seating portion, and a backrest portion, and includes a support provided at a lower portion of the seating portion; a support rod extending upward while being coupled to the support; an armrest rotatably coupled to one side of the support rod; a rotating part connected to the armrest and rotating together by rotation of the armrest; a rotating frame provided under the seating unit and coupled with a first gear; a first transmission unit provided in the rotating unit and rotating together by the rotation of the rotating unit; a second transmission unit provided on the rotating frame and rotated in contact with the first transmission unit by rotation of the rotating unit; a support frame coupled to a lower portion of the seating unit; a second gear coupled to the support frame and meshing with the first gear; A central rod having a rack gear is provided on an upper portion of the leg portion, the second gear is engaged with the rack gear, and when the rotating unit is rotated by rotation of the armrest, the first transmission unit and the second transmission unit As the rotational force of the rotating part is transmitted to the rotating frame, the rotating frame rotates, and as the rotating frame rotates, the first gear and the second gear rotate, and as the second gear rotates, the rack gear It is characterized in that the support frame to which the second gear is coupled and the seating part to which the support frame is coupled are moved up and down according to the up and down movement of the second gear.

A handle is provided on one side of the armrest of the health chair using the gear of the present invention for solving the above-described problems, and the handle may be rotatably coupled to the armrest so as to be embedded into the inner space of the armrest.

The armrest and the rotating part of the health chair using the gear of the present invention for solving the above-mentioned problems are connected through a connecting rod, the rotation shaft of the armrest is formed on one side of the connecting rod, and the other side of the connecting rod A rotation shaft of the rotating part may be formed.

The rotating part of the health chair using the gear of the present invention for solving the above problems includes a rotating rod connected to the armrest, and a rotating bar provided at one end of the rotating rod, and the rotating bar has a plurality of holes. can be

The support rod of the health chair using the gear of the present invention for solving the above-described problems may be provided with an angle limiting portion protruding to the inside of the rotation radius of the armrest.

The support rod of the health chair using the gear of the present invention for solving the above-described problems may be detachably coupled to the support.

The health chair using the gear of the present invention for solving the above-described problems while being coupled to the support frame, further comprising a cylinder portion disposed on the upper portion of the central rod, the lower portion of the cylinder portion, a protrusion protruding to the outside of the cylinder portion is provided, and an upper portion of the rack gear may be provided with a lift limiting portion contacting the protrusion by the rise of the cylinder portion.

The health chair using the gear of the present invention for solving the above-described problems further comprises an abdominal exercise unit, which is provided in the lower portion of the seating unit, and the abdominal exercise unit is rotatable on the rotating frame provided in the lower portion of the seating unit. a first rod coupled; a second rod slidably coupled to the first rod; a foot contact portion provided at an end of the second rod and in contact with the user's foot; a first contact portion provided on the first rod; a second contact portion provided in the rotating frame and receiving the rotational force of the first rod while in contact with the first contact portion; and, when the foot contact portion is rotated, the second rod and the first rod rotate Accordingly, the rotation frame may be rotated by the rotational force of the first rod.

The health chair using the gear of the present invention for solving the above problems further comprises a lever provided in the seating portion, a wire connected to the lever, and a rotation limiting block connected to the wire, the first rod may be provided with a rotation limiting unit in contact with the rotation limiting block to limit the rotation of the first rod.

The first rod of the health chair using the gear of the present invention for solving the above-mentioned problems is limited in rotation while the rotation limiting part contacts the rotation limiting block in a state extending in a direction parallel to the seating part, and the lever When operating, the first rod may be rotated by a specified angle while the rotation limiting block leaves the rotation limiting part.

The first contact portion of the health chair using the gear of the present invention for solving the above-described problems may be in contact with the second contact portion after the first rod is rotated by a specified angle by the operation of the lever.

The present invention relates to a health chair using a gear, and as a device capable of exercising using the user's body weight is provided in office and student chairs, etc., there is an advantage that can be exercised through the chair without restrictions of place and time. .

In addition, the present invention has the advantage of not requiring a separate installation space, and has the advantage that the kinetic weight can be adjusted by adjusting the rotation radius of the rotating part through a plurality of holes provided in the rotating bar of the rotating part.

1 is a view showing a health chair using a gear according to an embodiment of the present invention.
2 is a view showing a support rod, an armrest, and a rotating part according to an embodiment of the present invention.
3 is a view showing a support rod detachably coupled to the support according to an embodiment of the present invention.
Figure 4 (a) is a view showing a state that the housing provided in the seat portion and the armrest is removed according to an embodiment of the present invention, Figure 4 (b) is a first transmission unit and a second transmission unit according to an embodiment of the present invention. It is a diagram showing that the transfer unit is in contact.
FIG. 5( a ) is a view showing a state in which the first support frame is removed in FIG. 4( a ), and FIG. 5( b ) is a view showing that the first gear, the second gear, and the rack gear are connected.
6 is a view showing a rotating frame, a first gear, a second gear, a rack gear, a cylinder part, a protrusion part, and a lift limiting part according to an embodiment of the present invention.
7 is a view showing an abdominal exercise unit according to an embodiment of the present invention.
8 is a view illustrating that the rotation limiting unit and the rotation limiting block are in contact according to an embodiment of the present invention.
9 is a view showing a state in which the coupling frame in FIG. 8 is removed.
10 is a view illustrating that the first rod rotates by a specified angle while the rotation limiting block leaves the rotation limiting unit according to an embodiment of the present invention.
11 is a view illustrating that the first contact portion and the second contact portion are in contact while the first rod rotates at a specified angle according to an embodiment of the present invention.

This specification clarifies the scope of the present invention, explains the principles of the present invention, and discloses embodiments so that those of ordinary skill in the art to which the present invention pertains can practice the present invention. The disclosed embodiments may be implemented in various forms.

Expressions such as “comprises” or “may include” that may be used in various embodiments of the present invention indicate the existence of a corresponding disclosed function, operation, or component, and may include one or more additional functions, operations, or components, etc. are not limited. In addition, in various embodiments of the present invention, terms such as "comprise" or "have" are intended to designate that a feature, number, step, action, component, part, or combination thereof described in the specification is present, It should be understood that it does not preclude the possibility of addition or existence of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

When a component is referred to as being “connected to and coupled to” another component, the component may be directly connected or coupled to the other component, but between the component and the other component. It should be understood that there may be other new components in the On the other hand, when it is said that an element is "directly connected" or "directly coupled" to another element, it will be understood that no new element exists between the element and the other element. should be able to

The terms first, second, etc. used herein may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

The present invention relates to a health chair using a gear, and as a device capable of exercising using the user's weight is provided in office and student chairs, etc., a health chair using a gear that can exercise through the chair without restrictions in place is about

A health chair using a gear according to an embodiment of the present invention may be applied to a chair including a leg unit 10 , a seating unit 20 , and a backrest unit 30 . The leg part 10 is in contact with the ground, and the seating part 20 can be seated by a user. The backrest part 30 can support the user's back when the user is seated on the seating part 20 .

A health chair using a gear according to an embodiment of the present invention may be applied to office and student chairs. However, the present invention is not limited thereto, and the fitness chair using a gear according to an embodiment of the present invention is a chair including the leg portion 10 , the seating portion 20 , and the backrest portion 30 , and can be used in various chairs. Of course, it can be applied. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the health chair using a gear according to an embodiment of the present invention, the support 110, the support rod 120, the armrest 130, the rotating unit 140, the rotating frame 150, It includes a first transmission unit 143 , a second transmission unit 151 , a support frame 160 , a first gear 152 , a second gear 163 , and a rack gear 171 .

Referring to FIG. 3 , the support 110 is provided under the seating unit 20 . The support 110 may be coupled to the seating unit 20 , and the support 110 may support the support rod 120 and the armrest 130 to be described later.

The support rod 120 , the armrest 130 , and the rotating part 140 may be respectively provided on both sides of the seating part 20 , and the support rods respectively provided on both sides of the seating part 20 . 120 , the armrest 130 , and the rotating part 140 may have the same configuration.

2 and 3 , the support rod 120 extends upward while being coupled to the support 110 . The support rod 120 may be formed in a bar shape and extend in an upper direction of the seating unit 20 .

The armrest 130 is rotatably coupled to one side of the support rod 120 . The armrest 130 may support the user's hand, and may be disposed above the seating unit 20 . A first bearing 132 may be used to rotatably couple the armrest 130 to one side of the support rod 120 .

According to an embodiment of the present invention, the user can exercise the arm while raising the armrest 130 , and can exercise the arm using the weight of the user seated on the seating unit 20 . A method for the user to exercise through the armrest 130 will be described later.

Referring to FIG. 1 , a handle 131 may be provided on one side of the armrest 130 . The user can hold the handle 131 to raise the armrest 130 upward.

The handle 131 may be rotatably coupled to the armrest 130 so as to be embedded into the inner space of the armrest 130 . Through this, the user can use the handle 131 only when exercising, and can fold the handle 131 when not exercising.

Referring to FIG. 3 , the support rod 120 may be detachably coupled to the support 110 . Both sides of the support 110 may protrude in a bar shape having a rectangular cross-section, and the support rod 120 is provided with insertion parts 123 having a groove shape that can be inserted into both sides of the support 110 . can be

The support rod 120 may be attached to the support 110 by inserting the support 110 into the insertion part 123 , and as the support 110 is separated from the insertion part 123 , The support rod 120 can be detached from the support 110 .

As the support rod 120 is detachably coupled to the support 110 , the user can easily replace the armrest 130 and the rotating part 140 according to the exercise intensity.

The rotating part 140 is connected to the armrest 130 and can rotate together by the rotation of the armrest 130 . The rotating unit 140 may transmit a rotating force to the rotating frame 150 while rotating together with the armrest 130 .

The rotating unit 140 may be directly connected to the armrest 130 , but the rotating unit 140 and the armrest 130 may be connected to each other through a connecting rod 121 . Referring to FIG. 2 , while the armrest 130 is connected to one side of the connecting rod 121 , a rotation shaft of the armrest 130 may be formed on one side of the connecting rod 121 , and the connecting rod ( While the rotating part 140 is connected to the other side of the 121 , the rotating shaft of the rotating part 140 may be formed on the other side of the connecting rod 121 .

As described above, the rotating part 140 rotates together with the armrest 130. When the armrest 130 and the rotating part 140 are connected through the connecting rod 121, the armrest 130 is It is possible to form a different radius of rotation and a radius of rotation of the rotating part 140 .

The rotation radius of the armrest 130 is preferably smaller than the rotation radius of the rotation unit 140 . The rotating part 140 rotates the rotating frame 150 to raise the seating part 20 upward. If the rotation radius of the rotating part 140 is too long, the seating part 20 rises high. there is a risk of becoming

In order to prevent this, it is recommended to reduce the radius of rotation of the rotating part 140 with respect to the radius of rotation of the armrest 130, so that the rotation radius of the rotating part 140 can be reduced by using the connecting rod 121 do.

Specifically, as the armrest 130 and the rotating part 140 are connected through the connecting rod 121, the positions of the rotating shaft of the armrest 130 and the rotating shaft of the rotating part 140 are formed at different points. Through this, the rotation radius of the armrest 130 and the rotation radius of the rotation unit 140 can be formed differently.

2 and 3 , the rotating part 140 may include a rotating rod 141 connected to the armrest 130 and a rotating bar 142 provided at one end of the rotating rod 141 . .

The rotating rod 141 may be connected to the armrest 130 while having a bar shape, and the rotating rod 141 may be connected to the armrest 130 through the connecting rod 121 .

The rotating bar 142 is provided at one end of the rotating rod 141 , and the rotating bar 142 can transmit a rotating force to the rotating frame 150 . When the rotation rod 141 rotates, the rotation bar 142 coupled to one end of the rotation rod 141 rotates. As the rotating bar 142 rotates, the rotating frame 150 is rotated.

The rotation frame 150 is provided under the seating unit 20 and includes a first gear 152 . The rotating frame 150 may be a frame provided under the seating unit 20 or may be coupled to the rotating bar 142 of the rotating unit 140 .

A hole into which the rotation frame 150 can be fitted may be formed in the rotation bar 142 , and the rotation frame 150 may be rotatable to the rotation bar 142 through a second bearing 145 . can be combined.

In order to transmit the rotational force of the rotating bar 142 to the rotating frame 150 , the rotating bar 142 may be provided with the first transmission unit 143 , and the rotating frame 150 may include the rotating unit. The second transmission unit 151 which is rotated in contact with the first transmission unit 143 by rotation of 140 may be provided.

4(a) and 4(b), the first transmission part 143 may be a protrusion protruding from the rotation bar 142, and the second transmission part 151 is the rotation frame. It may be a protrusion protruding at 150 .

Referring to FIG. 4(b) , when the rotating bar 142 rotates, the first transfer unit 143 also rotates together with the rotating bar 142 and the first transfer unit 143 rotates with the rotating bar 142 . It is in contact with the second transfer unit 151 .

When the first transmission unit 143 comes into contact with the second transmission unit 151 , the second transmission unit 151 is also rotated by the rotation of the first transmission unit 143 , and the second transmission unit 151 is rotated. As the transmission unit 151 rotates, the rotation frame 150 also rotates. When the rotating frame 150 rotates, the first gear 152 coupled to the rotating frame 150 also rotates.

The support frame 160 is coupled to the lower portion of the seating unit 20 , and the second gear 163 may be coupled to the support frame 160 while meshing with the first gear 152 . The support frame 160 is a frame provided under the seating unit 20 to support the rotation frame 150 , the second gear 163 , and the like.

Referring to FIGS. 5A and 5B , when the first gear 152 rotates, the second gear 163 meshed with the first gear 152 also rotates. A center rod 170 having a rack gear 171 may be provided on an upper portion of the leg portion 10 , and the second gear 163 may be engaged with the rack gear 171 .

The leg gear 171 is fixedly coupled to the central rod 170 , and when the second gear 163 rotates, the second gear 163 moves up and down along the rack gear 171 . will move (Here, since the rack gear 171 is fixedly coupled to the central rod 170, it does not move, and the second gear 163 moves up and down along the rack gear 171.)

When the second gear 163 moves up and down, the support frame 160 connected to the second gear 163 also moves up and down together with the support frame 160 coupled to the support frame 160 . The seating unit 20 also moves up and down together.

5 (b) and 6, the health chair using a gear according to an embodiment of the present invention is coupled to the support frame 160, the cylinder portion 164 disposed on the upper portion of the center rod 170, may include more.

The cylinder part 164 is coupled to the support frame 160 to move up and down together with the support frame 160 , and the cylinder part 164 may be disposed on the center rod 170 . have.

Referring to FIG. 6 , a protrusion 165 protruding to the outside of the cylinder part 164 may be provided at a lower portion of the cylinder part 164 , and the cylinder part ( 164) may be provided with a lifting limiting portion 172 in contact with the protrusion 165 by the rise.

The cylinder part 164 may be raised together with the support frame 160 . If the support frame 160 continues to rise, there is a risk that the seating part 20 may be separated from the center bar 170 . . The rise limiter 172 is to prevent this.

Referring to FIG. 6 , when the support frame 160 rises by the rotation of the second gear 163 , and the cylinder part 164 rises together with the rise of the support frame 160 , the cylinder The protrusion 165 of the part 164 can be caught by the rise limiting part 172 .

When the protrusion 165 of the cylinder part 164 is caught by the upward limiting part 172 , the cylinder part 164 does not rise any more and the support frame coupled to the cylinder part 164 . The elevation of 160 and the seating unit 20 can be limited.

In addition, as the cylinder part 164 is in cylindrical contact with the central rod 170 at the upper part of the central rod 170, the support frame 160 and the seating part 161 maintain a horizontal balance while maintaining the horizontal balance of the support frame ( 160) and may serve to support the seating unit 161.

A process of performing an arm exercise through a health chair using a gear according to an embodiment of the present invention described above is as follows.

In order for the user seated in the seating unit 20 to exercise the arm, the armrest 130 is lifted upward. At this time, the user may lift the armrest 130 through the handle 131 provided on the armrest 130 .

When the armrest 130 is lifted and rotated, the rotating part 140 rotates together by the rotation of the armrest 130 . As the rotating unit 140 rotates, the rotating bar 142 of the rotating unit 140 also rotates, and the first transmission unit 143 provided in the rotating bar 142 also rotates. .

As the first transmission unit 143 rotates, the second transmission unit 151 in contact with the first transmission unit 143 also rotates, and the rotational force of the rotating unit 140 increases the rotational force of the rotating frame 150 . ) is transmitted to When the second transmission unit 151 rotates, the rotation frame 150 rotates, and when the rotation frame 150 rotates, the first gear 152 rotates.

When the first gear 152 rotates, the second gear 163 meshes with the first gear 152 rotates and the second gear 163 rises along the rack gear 171 . (Here, since the rack gear 171 is fixed to the center rod 170, it does not move up and down, and the second gear 163 moves up and down.)

As the second gear 163 rises, the support frame 160 to which the second gear 163 is coupled also rises, and as the support frame 160 rises, the support frame 160 . The seating portion 20 coupled to the also rises together.

At this time, since the user is seated on the seating unit 20 , the user can raise the seating unit 20 by rotating the armrest 130 while using the user's weight.

When the user lowers the armrest 130 , the rotational directions of the rotating part 140 , the rotating bar 142 , and the rotating frame 150 are changed, and as the rotating direction of the rotating frame 150 is changed, the As the rotation directions of the first gear 152 and the second gear 163 are changed, the second gear 163 descends along the rack gear 171 .

In this way, the user can exercise the arm through the health chair using the gear according to the embodiment of the present invention.

Referring to FIG. 2 , a plurality of holes 144 may be provided in the rotating bar 142 of a health chair using a gear according to an embodiment of the present invention. The hole 144 of the rotary bar 142 is a point at which the rotary rod 141 is coupled, and as a plurality of the holes 144 are provided, the point at which the rotary rod 141 is coupled can be changed. do.

When the coupling point of the rotating rod 141 is changed, the rotating radius at which the rotating part 140 rotates is changed. When the rotation radius of the rotating unit 140 is changed, as the distance of the moment arm for rotating the rotating unit 140 is changed, it is applied to the armrest 130 to raise the seating unit 20. The required force can be changed.

In this way, the rotation radius of the rotation part 140 can be changed by changing the point at which the rotation rod 141 is coupled through the plurality of holes 144 provided in the rotation bar 142, and through this, the arm It becomes possible to change the exercise weight for the exercise.

According to an embodiment of the present invention, the support rod 120 may be provided with an angle limiting part 122 protruding inward of the rotation radius of the armrest 130 . The angle limiter 122 limits the angle at which the armrest 130 rotates.

As the angle limiting part 122 protrudes to the inside of the rotation radius of the armrest 130 , the armrest 130 rotates to be caught by the angle limiting part 122 . When the armrest 130 is caught by the angle limiter 122 , the rotation of the armrest 130 is limited and the rotation angle of the armrest 130 can be limited.

Referring to FIG. 7 , a health chair using a gear according to an embodiment of the present invention may further include an abdominal exercise unit 200 . The abdominal exercise unit 200 is provided under the seating unit 20, and through the user's feet and the abdominal exercise unit 200, the user can perform abdominal exercises while seated in a chair.

Referring to FIG. 7 , the abdominal exercise unit 200 includes a first rod 220 , a second rod 230 , a foot contact unit 240 , a first contact unit 221 , and a second contact unit 222 . .

Referring to FIG. 8 , the first rod 220 is rotatably coupled to the rotation frame 150 provided under the seating part 20 , and the first rod 220 is formed in a bar shape. can The first rod 220 may be directly coupled to the rotation frame 150 , or coupled through the coupling frame 210 .

The second rod 230 is slidably coupled to the first rod 220 . The second rod 230 may be disposed in an overlapping state with the first rod 220 , and the first rod 220 while the second rod 230 slides with respect to the first rod 220 . ) can move outward.

The foot contact portion 240 may be provided at the end of the second rod 230 , and is a portion in contact with the user's foot. The user may lift the foot contact unit 240 by contacting the user's foot under the foot contact unit 240 .

When the user lifts the foot contact unit 240 , the foot contact unit 240 rotates, and as the foot contact unit 240 rotates, the second rod 230 and the first rod 220 rotate together. will do

Referring to FIG. 9 , the first contact part 221 may be provided on the first rod 220 . The first contact portion 221 may be a protrusion protruding to the outside of the first rod 220 , and the first contact portion 221 may be rotated together with the first rod 220 .

The rotation frame 150 may be provided with the second contact portion 222 that receives the rotational force of the first rod 220 while in contact with the first contact portion 221 . The second contact portion 222 may protrude to the outside of the rotation frame 150 , and may come into contact with the first contact portion 221 .

When the first contact portion 221 rotates, the second contact portion 222 in contact with the first contact portion 221 also rotates, and when the second contact portion 222 rotates, the rotation frame (150) also rotates together.

According to an embodiment of the present invention, the user contacts the lower portion of the foot contact unit 240 to perform abdominal exercise, and rotates the foot contact unit 240 while lifting the foot contact unit 240 .

When the user rotates the foot contact part 240 , the second rod 230 and the first rod 220 rotate. When the first rod 220 rotates, the first contact part 221 . ) will also rotate.

When the first contact part 221 comes into contact with the second contact part 222 while rotating, the second contact part 222 also rotates and the rotation frame 150 is rotated. When the rotation frame 150 rotates, the first gear 152 coupled to the rotation frame 150 rotates.

By the rotation of the first gear 152 , the second gear 163 meshed with the first gear 152 rotates and rises along the rack gear 171 . When the second gear 163 rises along the rack gear 171 , the support frame 160 and the seating unit 20 coupled to the second gear 163 rise.

Here, as the rotating frame 150 is rotated by the foot contact unit 240 , the operating method in which the seating unit 20 is moved up and down is the rotating frame 150 by the rotation of the armrest 130 . ) is the same as the operation method of moving the seating unit 20 up and down while rotating, so a detailed description thereof will be omitted.

The abdominal exercise unit 200 according to an embodiment of the present invention may further include a lever 250 , a wire 251 , a rotation limiting block 252 , and a rotation limiting part 223 . When the user does not exercise the abdomen, it is preferable that the foot contact unit 240 does not protrude to the outside of the seating unit 20 . When the foot contact unit 240 protrudes to the outside of the seating unit 20 , the user may feel uncomfortable in using the chair by the foot contact unit 240 .

The lever 250 , the wire 251 , the rotation limiting block 252 , and the rotation limiting part 223 may be provided for this purpose. The lever 250 is provided on the seating unit 20 , and a user can pull the lever 250 . The lever 250 may be provided with a spring, and if the user releases the lever 250 after pulling the lever 250 , it may return to its original position by the spring.

The wire 251 is connected to the lever 250 . The wire 251 is movable by the operation of the lever 250 . The rotation limiting block 252 is connected to the wire 251 , and when the wire 251 moves by the operation of the lever 250 , the rotation limiting block 252 is also connected with the wire 251 . be able to move

The rotation limiting part 223 is provided on the first rod 220 and is in contact with the rotation limiting block 252 to limit the rotation of the first rod 220 . 8 and 9 , while the rotation limiting part 223 comes into contact with the rotation limiting block 252 , the first rod 220 does not rotate.

Here, as shown in FIGS. 7 and 8 , in a state in which the first rod 220 extends in a direction parallel to the seating part 20 , the rotation limiting part 223 comes into contact with the rotation limiting block 252 . Rotation may be restricted.

Since the state in which the rotation of the first rod 220 is restricted is a state in which the user does not exercise the abdomen, the first rod 220 extends in a direction parallel to the seating portion 20 and the foot contact portion 240 . may not protrude to the outside of the seating unit 20 .

Hereinafter, a method by which a user can exercise an abdominal exercise through the abdominal exercise unit 200 according to an embodiment of the present invention will be described in detail.

Referring to FIG. 9 , before the user performs abdominal exercise, in a state in which the first rod 220 extends in a direction parallel to the seating part 20 , the rotation limiting part 223 moves the rotation limiting block 252 . ) while in contact with the rotation of the first rod 220 may be in a limited state.

When the user wants to exercise the abdomen, the lever 250 is operated while pulling the lever 250 . When the lever 250 is operated, the wire 251 and the rotation limiting block 252 are moved by the lever 250 so that the rotation limiting block 252 is separated from the rotation limiting part 223 . .

As the rotation limiting block 252 leaves the rotation limiting part 223 , the first rod 220 may be in a rotatable state. Here, since only one side of the first rod 220 extended in parallel with the seating portion 20 is rotatably coupled to the rotation frame 150 , the first rod 220 and the second rod 220 are The first rod 220 is rotated by the center of gravity of the rod 230 .

Specifically, when the lever 250 is operated, as shown in FIG. 10 , the rotation limiting block 252 is separated from the rotation limiting part 223 , and the first rod 220 is rotated by a specified angle.

When the first rod 220 is rotated by a specified angle, the second rod 230 slides downward with respect to the first rod 220 by the weight of the second rod 230, and the second rod 230 moves downward. The two rods 230 are spread out.

When the second rod 230 is unfolded, the foot contact unit 240 coupled to one end of the second rod 230 moves to the user's foot position, and the user becomes in a state where abdominal exercise can be performed. can

Here, the first contact portion 221 is preferably in contact with the second contact portion 222 after the first rod 220 is rotated by a specified angle by the operation of the lever 250 as shown in FIG. 11 . do. (Here, the first contact portion 221 may be in contact with the second contact portion 222 under the second contact portion 222 after the first rod 220 is rotated by a specified angle. )

When the first contact portion 221 and the second contact portion 222 are in contact while the first rod 220 is rotated by a specified angle by operating the lever 250, the rotation frame 150 is rotated. Accordingly, the seating portion 20 may be raised.

That is, since the seating portion 20 may rise in a state in which the user does not exercise the abdomen, the first contact portion 221 may be rotated by the first rod 220 by a specified angle and then the second It is preferable to contact the contact portion 222 .

When the first rod 220 rotates by a specified angle so that the first contact portion 221 comes into contact with the second contact portion 222, the user lifts the foot contact portion 240 with the user's foot to perform abdominal exercise. be able to do

When the foot contact part 240 is lifted, the second rod 230 and the first rod 220 are rotated, and the first contact part 221 is moved together by the rotation of the first rod 220 . While rotating, the second contact portion 222 is rotated.

When the second contact portion 222 rotates, the rotation frame 150 rotates together. When the rotating frame 150 rotates, it is possible to perform abdominal exercise while moving the seating unit 20 up and down.

The operating method of rotating the rotating frame 150 through the foot contact unit 240 to move the seating unit 20 up and down is by rotating the rotating frame 150 through the armrest 130 described above. Since it is the same as the operation method of moving the seating unit 20 up and down, a detailed description will be omitted.

When the user has finished the abdominal exercise, while sliding the second rod 230 to overlap the first rod 220 again, the first rod 220 is moved in a direction parallel to the seating unit 20 . rotate again.

When the rotation limiting part 223 comes into contact with the rotation limiting block 252 while rotating the first rod 220 in a direction parallel to the seating part 20 , the rotation limiting block 252 causes the first rod 220 to rotate. The rotation of one rod 220 can be limited.

At the same time, as the second rod 230 overlaps with the first rod 220 , the foot contact portion 240 may not protrude to the outside of the seating portion 20 .

The health chair using the gear according to the embodiment of the present invention described above has the following effects.

The fitness chair using a gear according to an embodiment of the present invention is equipped with a device that can exercise using the user's body weight, such as an office chair, a student chair, etc. have.

In addition, the fitness chair using a gear according to an embodiment of the present invention has the advantage that it does not require a separate installation space, and the vertical movement distance of the seating part through an angle limiting part provided on the support rod and the lift limiting part provided in the cylinder part. It has the advantage of being safe and having fun like a ride that repeats the rise and fall of the body.

In addition, the health chair using a gear according to an embodiment of the present invention has the advantage of being able to adjust the kinetic weight by adjusting the rotation radius of the rotating part through a plurality of holes provided in the rotating bar of the rotating part, and attaching and detaching the support rod to the support. There is an advantage in that the shape of the armrest and the rotating part can be replaced and used according to the needs of the user according to possible defects.

As described above, the present invention has been described with reference to one embodiment shown in the drawings, but it will be understood that this is merely exemplary and that various modifications and variations of embodiments are possible therefrom by those skilled in the art. . Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10...legs 20...seats
30...Backrest 110...Support
120...support rod 121...connection rod
122...Angle limiter 123...Insert part
130...armrest 131...handle
132...first bearing 140...rotating part
141...rotating rod 142...rotating bar
143...First transmission unit 144...Hall
145...Second bearing 150...Rotating frame
151...Second transmission unit 152...First gear
160...Support frame 163...Second gear
164...Cylinder part 165...Protrusion part
170...Central bar 171...Leg gear
172...Lift limiter 200...Abdominal movement area
210...Combined frame 220...First rod
221...first contact 222...second contact
223...Rotation limiter 230...Second rod
240...foot contact 250...lever
251...wire 252...restriction block

Claims (11)

In a chair comprising a leg part, a seating part, and a back part,
a support provided under the seating unit;
a support rod extending upward while being coupled to the support;
an armrest rotatably coupled to one side of the support rod;
a rotating part connected to the armrest and rotating together by rotation of the armrest;
a rotating frame provided under the seating unit and coupled with a first gear;
a first transmission unit provided in the rotating unit and rotating together by the rotation of the rotating unit;
a second transmission unit provided on the rotating frame and rotated in contact with the first transmission unit by rotation of the rotating unit;
a support frame coupled to a lower portion of the seating unit;
a second gear coupled to the support frame and meshing with the first gear;
A center rod having a rack gear is provided on the upper portion of the leg portion, and the second gear is engaged with the rack gear,
When the rotating unit is rotated by the rotation of the armrest, the rotating frame rotates while the rotating force of the rotating unit is transmitted to the rotating frame by the first transmitting unit and the second transmitting unit,
As the rotating frame rotates, the first gear and the second gear rotate, and as the second gear rotates, it moves up and down along the rack gear,
A health chair using a gear, characterized in that according to the movement of the second gear up and down, the support frame to which the second gear is coupled and the seating part to which the support frame is coupled are moved up and down. The method of claim 1,
A handle is provided on one side of the armrest,
The handle is a health chair using a gear, characterized in that rotatably coupled to the armrest so as to be embedded into the inner space of the armrest. According to claim 1,
The armrest and the rotating part are connected through a connecting rod,
A health chair using a gear, characterized in that the rotation shaft of the armrest is formed on one side of the connection rod, and the rotation shaft of the rotation part is formed on the other side of the connection rod. The method of claim 1,
The rotating part includes a rotating rod connected to the armrest, and a rotating bar provided at one end of the rotating rod,
A health chair using a gear, characterized in that the rotating bar is provided with a plurality of holes. The method of claim 1,
The support rod, a health chair using a gear, characterized in that provided with an angle limiting portion protruding to the inside of the rotation radius of the armrest. The method of claim 1,
The support rod is a health chair using a gear, characterized in that detachably coupled to the support. The method of claim 1,
While coupled to the support frame, further comprising a cylinder portion disposed on the upper portion of the central bar,
A health chair using a gear, characterized in that a protrusion protruding to the outside of the cylinder unit is provided at a lower portion of the cylinder unit, and a lift limiting unit contacting the protrusion unit by the rise of the cylinder unit is provided at an upper portion of the rack gear. According to claim 1,
It further comprises an abdominal exercise unit, which is provided under the seating unit,
The abdominal exercise unit,
a first rod rotatably coupled to the rotation frame provided under the seating part;
a second rod slidably coupled to the first rod;
a foot contact portion provided at an end of the second rod and in contact with the user's foot;
a first contact portion provided on the first rod;
a second contact portion provided on the rotating frame and receiving the rotational force of the first rod while in contact with the first contact portion;
When the foot contact is rotated, as the second rod and the first rod rotate, the health chair using a gear, characterized in that the rotation frame is rotated by the rotational force of the first rod. 9. The method of claim 8,
A lever provided in the seating unit, a wire connected to the lever, and a rotation limiting block connected to the wire further comprising:
The first rod is in contact with the rotation limiting block, a health chair using a gear, characterized in that provided with a rotation limiting portion for limiting the rotation of the first rod. 10. The method of claim 9,
Rotation of the first rod is restricted while the rotation limiting part comes into contact with the rotation limiting block in a state extending in a direction parallel to the seating part,
When the lever is operated, the rotation limiting block is a health chair using a gear, characterized in that the rotation limiting block is rotated by a specified angle while leaving the rotation limiting part. 11. The method of claim 10,
The first contact portion, a health chair using a gear, characterized in that the contact with the second contact portion after the first rod is rotated by a specified angle by the operation of the lever.

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