KR20060043328A - Seat height adjustment device of an exercise appratus - Google Patents

Abstract

The seat height adjusting device of the exercise device is installed out of the base frame 1 and the base frame 1, and has an out seat post having a plurality of openings 2a in a row shape in the height direction in the side wall portion ( 2) is provided. The inner seat post 3 in which the top cap 7 to which the sheet 4 is mounted at the top end in the out seat post 2 is fixed is slidably installed in the vertical direction. In the inner seat post 3, a rotary rod 20 having a rotary plate 9 which is selectively detachably attached to the opening 2a of the out seat post 2 is inserted therein. The rotary plate 9 is rotated through the rotary rod 20 by the operation lever 12 provided in the top cap 7, and the rotary plate 9 is opened 2a of the out seat post 2. Removably bonded to.

Rotary plate, out seatpost, pedal, bicycle, muscle

Description

Seat height adjustment device of exercise device {SEAT HEIGHT ADJUSTMENT DEVICE OF AN EXERCISE APPRATUS}

1 is a partially broken side view showing a schematic configuration of a seat height adjustment device of the exercising device of the present invention.

2 is a view showing the appearance of the inner seat post;

3 is a perspective view showing the configuration of a top cap portion;

4 is a view showing a state in which the operation lever in Figure 3 operated.

5 is a plan sectional view of the top cap portion;

6 is a perspective view showing the shape of the operation lever;

7 is a view showing a mounting portion of the rotary rod and the sprocket and the rotary plate.

8 is an explanatory diagram showing an operating state of a rotary plate;

9 is a view showing a configuration of a rotary plate portion, showing a state in which the engaging piece portion protrudes.

10 is a view showing the configuration of a rotary plate portion, showing a state in which the engaging piece is drawn.

FIG. 11 is a longitudinal side view at the upper position of the out seat post; FIG.

Explanation of symbols on the main parts of the drawings

2a: opening

4: sheet

7: top cap

9: rotary plate

9b: combined piece

10: bulkhead

12: operation lever

13: opening

15: guide

16: slider

17: chain

18: return spring

19: pin

20: rotary rod

23: bottom cap

23a, 23b: stopper

25: hole

27 ball

28: spring

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat height adjusting device of a stationary exercise device of a bicycle type that performs rotational operation of an exercise device, in particular a pedal.

In recent years, a bicycle-type exercise device for training muscles by stepping on a saddle-shaped seat with a pedal capable of applying a desired load has been widely used. However, such a device needed to adjust the seat height according to the height of the user. Therefore, the seat post is slidably mounted in the height direction with respect to the guide frame which is conventionally installed on the base frame of the exercise device, and the seat post is slid in the vertical direction with respect to the guide frame to adjust the height of the seat. Is proposed.

By the way, the exercise device usually has a plurality of holes in the shape of a row in the height direction of the seat post and the guide frame, and pins are inserted into the appropriately selected holes of the two to fix both to fix the height of the seat. Adjustment is done. However, in such a pin system, since the height adjustment part is located on the main body side, there is a problem that the adjustment cannot be performed unless it comes down from the seat at the time of height adjustment.

Therefore, as described in Japanese Patent Laid-Open No. 2003-275339 or Japanese Patent Laid-Open No. Hei 11-169482, lockpins are pressed in the upper and lower positions before and after the seat post. It has been proposed to be able to fix the seat post by press-contacting the lock pin and to release the press-pin of the lock pin and to move and adjust the seat post by the operation of the lock release lever on the seat side.

However, in the above-mentioned Japanese Patent Laid-Open No. 2003-275339, the wires and the like cannot be arranged without a space in the front-rear direction for the wire or the lock arm, and also in Japanese Laid-Open Patent Publication No. 11-169482. In the description, there is a problem such that an array cannot be installed without a space for making a lock arm or a return spring. That is, when there is a space limitation around the seat post, it is not suitable.

In both cases, when the friction member is worn out due to prolonged use, the lever operating position changes, and as a result, maintenance adjustment is required. In order to absorb the dimensional tolerances of parts, the initial assembly adjustment is necessary, which may cause a deviation in quality or a cost increase. In addition, due to the limitation of the upper and lower seat mechanisms, there is also a problem such that it is difficult to insert or remove the seat post and thus it is difficult to maintain it unless the cover of the main body side is removed.

In view of the above, the present invention provides a seat height adjusting device which can be easily adjusted by a lever adjacent to the seat, and can be easily applied even when a space cannot be secured in the front and rear directions of the seat post. The purpose.

The present invention provides an out seat post that stands up from the base frame of the exercising apparatus, the base frame of the exercising apparatus, and is provided with a plurality of openings arranged in a column shape in the height direction in the side wall portion, and the out sheet. An inner seat post slidably inserted in the post in a vertical direction and fixed with a top cap on which a top cap is attached to a top end, and inserted into the inner seat post, A rotary rod equipped with a rotary plate selectively detached from the opening of the out seat post, and an operating lever provided on the top cap, and the rotary plate is rotated through the rotary rod by operating the operating lever. It is a seat height adjustment apparatus of the exercise apparatus characterized by including the rotary plate operation mechanism to make.

The rotary plate operating mechanism further comprises a sprocket mounted on an upper portion of the rotary rod, and a chain wound around the sprocket and linked to an operation lever installed on the top cap. Seat height adjustment device.

This invention is the seat height adjustment apparatus of the exercise apparatus characterized by the said spring being attached to the said chain which presses a chain in the direction which the said rotary plate engages with the opening of the said out seat post.

In the present invention, the out seat post has a cylindrical shape having a rectangular cross section, and the engaging piece portion of the distal end portion of the rotary plate is coupled to the opening of the out seat post depending on the rotational position of the rotary plate. A seat height adjusting device of an exercise device, characterized in that the engaging piece is drawn into the out seat post.

According to the present invention, a notch portion is formed in the rear right corner of the rotary plate with respect to the rotational direction of the rotary plate into the out seat post. Device.

In the present invention, at least one non-circular portion is formed at each of the upper and lower ends of the rotary rod, and each sprocket has upper and lower ends of the rotary rod, each having a hole having the same shape as the non-circular portion of the upper end or the lower end of the rotary rod. Or a rotary plate is fitted and fitted, the seat height adjusting device of the exercising apparatus.

This invention is a seat height adjustment apparatus of the exercise apparatus characterized by the said top cap being equipped with the cross-section | corner-shaped coating member which prevents the fall of a rotary plate operation mechanism.

According to the present invention, a plurality of holes are provided in one side surface of the inner seat post and the out seat post in the vertical direction, and a ball having a diameter larger than the hole or at least a surface facing the hole is circular on the other side. The projection is pressurized in the protruding direction, and the tip of the ball or the projection is selectively engaged with the hole when the rotary plate is moved to an opening position provided on the side of the out seat post. It is a seat height adjustment apparatus of the exercise apparatus characterized by the above-mentioned.

The present invention is characterized in that the operating lever is arranged to be swingable on the rear portion of the top cap about a horizontal axis, and the rear edge of the covering member having the cross-sectional U shape is approximated to the rotational trajectory of the operating lever. It is a seat height adjustment device of an exercise device.

The operating lever includes a finger hook portion for hanging a finger, a stopper portion having a surface bent at a right angle to the plane of the finger hook portion, and a lever portion bent at a right angle forward from one end of the stopper portion. A lever height and a chain are connected by a slider, and the seat height adjustment apparatus of the exercising apparatus characterized by the above-mentioned.

As described above, the inner seat post is slidably inserted in the out seat post provided upright from the base frame and provided with a plurality of openings in a row shape in the height direction in the side wall, so that the inner seat post is slidable. The rotary plate provided in the inside was selectively engaged with the opening of the out seat post by the operation lever provided in the top cap. For this reason, height adjustment of a seat can be performed by the operation lever in a seat side, and it is applicable also when it is not necessary to lower it at the time of height adjustment at the time of a seat, and cannot secure an intact space in the front-back direction of an out seat post. . Furthermore, since the out seat post and the inner seat post are fixed by the combination of the rotary plate and the opening, there is no problem such as abrasion and can withstand long-term use, and the inner seat post can be secured even if the cover on the side of the main body is not removed. The effect is that it can be removed or returned to its original state, and maintenance can be performed easily.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a partially broken side view showing a schematic configuration of a seat height adjusting device of an exercising apparatus according to the present invention. The seat height adjustment device of the exercise device includes an inner seat slidably disposed in the base frame 1, an out seat post 2 having a cross-sectional rectangular shape which is set up from the base frame 1, and an out seat post 2; The post 3 is provided.

In addition, the seat 4 is attached to the top end of the inner seat post 3. The out seat post 3 is provided with a plurality of openings 2a formed in both rows on the left and right side walls thereof in a columnar shape in a height direction, and a rotary plate 9 provided at the lower end of the inner seat post 3. (FIG. 8) is adapted to be selectively combined. Accordingly, the inner seat post 3 is moved up and down along the out seat post 2, and the rotary plate is coupled to the opening 2 a of the out seat post 2 to adjust the height of the seat 4. After that, it is possible to exercise the muscle by stepping on the pedal (5) installed on the exercise device body to ride on the seat (4).

FIG. 2: is an external view of the said inner seat post 3, The top cap 7 in which the operation lever 12 etc. were provided is fixed to the top end of the inner seat post 3 of a rectangular cylindrical cross section, and the top The cap 7 is equipped with a cross-section U-shaped covering member 8, and a sheet (not shown) is attached to the cap 7 so as to cover the covering member 8 thereon. On the other hand, the lower end of the inner seat post 3 is provided with a rotary plate 9 that selectively engages the opening 2a provided in the out seat post 2.

3 and 4 are perspective views showing the configuration of the top cap 7 part, and Fig. 5 is a plan sectional view of the top cap 7 in the front-rear direction of the exercise device at the top end of the inner seat post 3. The top cap 7 which has the partition 10 of the cross-sectional T-shape extended is fixed. The top cap 7 is pivotally mounted with an operating lever 12 capable of swinging around an axis (horizontal axis) 11 attached to the rear portion thereof. Furthermore, the sprocket 14 is arranged in the opening part 13 formed in the said partition 10 in the front part, and the said partition 10 moves to the front-back direction along the guide 15 extended in the front-back direction. Possible slider 16 is provided.

Fig. 6 is a perspective view of the operation lever 12, a finger hook portion 12a for holding a finger, a stopper portion 12b having a surface bent almost perpendicularly from the plane of the finger hook portion 12a, and It has a lever part 12c which is bent at right angles forward from one side end of the stopper part 12b and extends forward along the side surface of the top cap 7, and the shaft 11 is formed in the middle of the lever part 12c. The boss part 12d supported by the shaft is provided, and the hook 12e is provided in the front-end | tip part of the said lever part 12c. The hook 12e is coupled to the protrusion piece 16a of the slider 16, and one end of the chain 17 is connected to the front end of the slider 16. As shown in FIG. The chain 17 is wound around the sprocket 14, the other end of which extends to the rear side of the partition 10 so as to sandwich the partition 10 (FIG. 5), the tip of which is connected to the return spring 18. The tip of the return spring 18 is coupled and mounted to the pin 19 provided on the top cap 7.

The rotary plate operation mechanism is comprised by these operation lever 12, the slider 16, the chain 17, and the sprocket 14. As shown in FIG.

On the other hand, as shown in FIG. 7, a rotary rod 20 penetrates and is inserted into the inner seat post 3, and a top end of the rotary rod 20 protrudes into the top cap 7 and the protrusion portion thereof. The sprocket 14 is mounted. That is, non-circular parts having planes 21 parallel to each other are formed on both side surfaces of the upper end and the lower end of the rotary rod 20, and the upper end of the rotary rod 20 has the rotary portion of the sprocket 14. The sprocket 14 is inserted into the hole 14a having the same shape as the upper end of the rod 20 (Fig. 5), and the nut 22 is mounted on the rotary rod 20 to the top end of the rotary rod 20. ) Is fixed.

On the other hand, the bottom cap 23 is fixed to the lower end of the inner seat post 3, the lower end of the rotary rod 20 protrudes below the bottom cap 23, and the out seat post ( The rotary plate 9 detachably fixed to the opening 2a of 2) is fixed. That is, the hole 9a of the shape similar to the lower end part of the rotary rod 20 is formed also in the rotary plate 9 (FIG. 8), the rotary rod 20 is inserted in the hole 9a, and the rotary rod 20 ), The rotary plate 9 is fixed to the rotary rod 20 by attaching the nut 24.

As shown in Fig. 8, the rotary plate 9 is integrally formed with a joining piece 9b that protrudes from the central disc portion in the radial direction and is coupled to the opening 2a of the out seat post 2, As shown by the solid line in FIG. 8, it is possible to rotate between the position couple | bonded with the opening 2a of the said out seat post 2, and the position drawn out from the said opening 2a shown by the dashed line. In both engaging pieces 9b of the rotary plate 9, inclined edge portions 9b ₁ are formed notches on both right corners on one diagonal line, and the rotary plate 9 is broken in FIG. The inclined edge portion 9b ₁ positioned at the rear right corner portion when being rotated to the drawn position indicated by is shown to be parallel to the inner wall surface of the out seat post 2.

On the other hand, in the bottom cap 23 provided at the lower end of the inner seat post 3, as shown in Figs. 9 and 10, the rotary plate 9 is coupled to the opening 2a of the out seat post 2. In the position and the position drawn out from the said opening 2a, the stopper 23a, 23b which the engaging piece 9b of the said rotary plate 9 contacts, and whose rotation range is restrict | limited is provided. Therefore, at the position where the rotary plate 9 engages with the opening 2a of the out seat post 2, the engaging piece 9b of the rotary plate 9 contacts the stopper 23a so that the engaging piece 9b protrudes. 9 is held in position (Fig. 9), while the engaging piece 9b of the rotary plate 9 is in contact with the stopper 23b in the position drawn out from the opening 2a.

FIG. 11: is a longitudinal side view in the upper position of the out seat post 2, and as shown in FIG. 2 and FIG. 11 in the rear side surface of the inner seat post 3, it is for detente. Holes 25 are provided in a row shape in the height direction. On the other hand, the out seat post 2 is provided with a cylindrical chamber 26 at its upper position, and has a diameter larger than the diameter of the hole 25 of the inner seat post 3 in the chamber 26. A ball 27 is housed. When the ball 27 is pressed in the protruding direction by the spring 28 and the rotary plate 9 is in a position opposite to any one of the openings 2a of the out seat post 2, the ball 27 The tip end of the) is in sliding contact with either of the holes 25 of the inner seat post 3. In addition, instead of the ball 27, a protrusion formed in a circular shape may be used.

Therefore, in the case of adjusting the height of the sheet | seat 4, when a user lifts a finger to the finger-hook part 12a of the operation lever 12 in the state which got on the said sheet 4, and pulls it upwards, the operation lever 12 ), The hook 12e is rotated clockwise in FIG. 3, and the slider 16 to which the hook 12e is engaged is moved to the left (Fig. 4). Accordingly, the chain 17 connected to the slider 16 is pulled against the spring 18, the sprocket 14 is rotated through the chain 17, and the rotary plate 20 is rotated through the rotary rod 20. 9) is also integrally rotated so that the rotary plate 9 is moved to the position pulled into the out seat post 2 as indicated by the broken line in FIG. 8, so that the engagement with the opening 2a of the out seat post 2 is released. (I) become Therefore, the height of the sheet 4 can be adjusted by moving the inner seat post 3 in the vertical direction.

By moving the inner seat post 3 in the vertical direction, the ball 27 is brought into sliding contact with the hole 25 for detent, and a feeling of click is generated, whereby the inner seat post 3 is provided in the inner seat post 3. It is possible to detect that the rotary plate 9 has moved to a position corresponding to the opening 2a at the desired position of the out seat post 2. Therefore, when the hand is released from the operating lever 12 at that time, the sprocket 14 is automatically returned to the opposite direction by the spring 18, and the engaging piece 9b of the rotary plate 9 is the solid line of FIG. The insert 4 is inserted into the opening 2a of the out seat post 2 to maintain the seat 4 at a selected height.

Therefore, in the said height adjustment apparatus, the position lock of the inner seat post 3 with respect to the out seat post 2 can be released by the operation lever 12 installed in the vicinity of the seat 4, and every time height adjustment is carried out It can be performed easily without needing to get off. Furthermore, a mechanism for fixing and releasing the out seat post 2 and the inner seat post 3 is provided in the out seat post 2, and is not exposed before and after the out seat post 2, thereby limiting space. Do not receive.

Moreover, the operation lever 12 is provided with the stopper part 12b which has the surface bent at substantially right angle from the plane of the finger-hook part 12a which hangs a finger, and is perpendicularly forward from one side end of the stopper part 12b. Since the lever part 12c which bends and extends forward along the side surface of the top cap 7 is provided, when a finger is inserted below the finger hook part 12a in order to operate the operation lever 12, When the finger tip contacts the stopper portion 12b, the finger is not inserted more than necessary, and the work such as a finger being pinched between the top cap 7 is prevented.

Further, the inclined edge portion 9b ₁ is notched to the engaging piece 9b of the rotary plate 9 on both diagonal right corners located rearward with respect to the rotation direction in the direction in which the rotary plate 9 is drawn. Formed. Accordingly, when the rotary plate 9 is rotated to the drawn position indicated by the broken line in FIG. 8, the inclined edge portion 9b ₁ may be rotated to a position parallel to the inner wall surface of the out seat post 2. The rotation angles of the sprocket 14 and the operation lever 12 can be reduced.

In addition, the sprockets 14 or the rotary plate 9 are formed on the sprockets 14 or the rotary plate 9 by forming the planes 21 parallel to each other on both sides of the upper and lower ends of the rotary rod 20, and forming the planes 21 parallel to each other on both sides thereof. By inserting into the hole of the same shape provided, the sprocket 14 and the rotary plate 9 can be integrated, and when the operation position of the operation lever 12 in the top cap is determined, the inner seat post 3 is automatically The position of the rotary plate 9 at the bottom of the is determined. In addition, in the above embodiment, the plane 21 parallel to each other is formed on both sides of the upper end and the lower end of the rotary rod 20, but a non-circular part having a polygonal cross section or the like may be formed.

On the other hand, as shown in FIG. 2 and FIG. 5, the top cap 7 is equipped with the cross-section U-shaped covering member 8, and the operation lever 12 attached to the top cap 7 by the inner wall surface. The fall of the slider 16, the chain 7, and the return spring 18 which are movable in the front-back direction along the guide 15 extending in the front-back direction of the partition 10 is prevented. That is, the lever portion 12c of the operation lever 12 extends forward along the side surface of the top cap 7 and forwardly along the inner surface of the covering member 8, and furthermore, the slider 16 And since the covering member is also located on the outer surface of the chain 17, the lever part 12c, the slider 16, and the chain 17 are moved to the side by the inner surface of the covering member 8, and the top cap 7 Departure from is prevented.

In addition, although the slider 16 and the chain 17 can be mutually connected by engaging the pin of the chain 17 to the hook-shaped part 16b provided in the edge part of the slider 16, as shown in FIG. By making the distance between the opening part of the said hook-shaped part 16b and the inner surface of the coating member 8 less than the width | variety of the chain 17, it can easily prevent that the said connection shifts. In addition, the chain 17 is peeled off from the sprocket 14 by making the length of the front-back direction of the opening 13 of the top cap 7 smaller than the outer diameter required for the chain 17 to be peeled off from the sprocket 14. Losing can be easily prevented.

In the case where the ball 27 or the like having a diameter larger than the diameter thereof is brought into sliding contact with the hole 25 for detent provided on the rear surface of the inner seat post 3, the ball 27 and the hole 25 are provided. A feeling of click is generated by the sliding contact of the inner seat post 3 so that it is easy to recognize the fixed position of the inner seat post 3, and the user can operate the operation lever 12 at an intermediate position between the opening 2a of the out seat post 2 and the opening 2a. ) Is released to prevent the position of the opening 2a and the rotary plate 9 from escaping.

On the other hand, the rear end surface of the top cap 7 and the rear end edge of the covering member 8 are approximated with the rotational trajectory of the operation lever 12. Therefore, the distance between the said operation lever 12 and the mechanism of its base part hardly changes, and it is possible to make not only a smart appearance but also a risk of being pinched.

According to the present invention, the seat height adjustment device can be easily applied even when the height of the seat can be easily adjusted by the operation lever and at the same time a space is not secured in the front-back direction of the seat post.

Claims (10)

The base frame of the exercise device, An out seat post that stands up from the base frame of the exercise device and is provided with a plurality of openings in a row shape in the height direction of the side wall portion; An inner seat post slidably inserted in the out seat post in a vertical direction and having a top cap fixed to a top end thereof, the seat being fixed; A rotary rod inserted into the inner seat post and equipped with a rotary plate at a lower portion thereof, the rotary plate being selectively detached from the opening of the out seat post; And a rotary plate operating mechanism for rotating the rotary plate through the rotary rod by operating the operating lever provided in the top cap. The method of claim 1, And the rotary plate operating mechanism further comprises a sprocket mounted on an upper portion of the rotary rod, and a chain wound around the sprocket and linked to an operation lever installed on the top cap. The method of claim 2, And a return spring for pressing the chain in a direction in which the rotary plate is engaged with the opening of the out seat post. The method of claim 1, The out seat post has a cylindrical shape having a cross-sectional rectangular shape, and the engaging piece portion of the distal end of the rotary plate is coupled to the opening of the out seat post depending on the rotational position of the rotary plate. And said engaging piece is drawn into the out seat post. The method of claim 4, wherein The notch part is formed in the rear right corner part with respect to the rotation direction of the said rotary plate in the out seat post of a rotary plate, The seat height adjustment apparatus of the exercising apparatus characterized by the above-mentioned. The method of claim 1, At least one non-circular portion is formed at each of the upper and lower ends of the rotary rod, and sprockets or rotary plates each having upper and lower ends at the upper and lower ends of the rotary rod have a hole having the same shape as the non-circular portion of the upper end or the lower end of the rotary rod. A seat height adjustment device for an exercise device, characterized in that it is fitted to fit. The method of claim 1, The top cap is provided with a cover member having a cross-sectional U-shape for preventing the rotary plate operating mechanism from falling off. The method of claim 1, On one side of the inner seat post and the out seat post, a plurality of holes are provided in the vertical direction, and on the other side, a ball having a larger diameter than the hole or at least a surface facing the hole has a circular protrusion. (突起 物) is pressed in the protruding direction, the movement is characterized in that the front end of the ball or the projection is selectively engaged with the hole when the rotary plate moves to the opening position provided on the side of the out seat post Seat height adjustment device of the device. The method of claim 7, wherein The operating lever is pivotally arranged on the rear portion of the top cap about the horizontal axis, and the rear edge of the cross-section U-shaped covering member is approximated to the rotational trajectory of the operating lever. Seat height adjustment device. The method of claim 2, The operation lever has a finger hook portion for hanging a finger, a stopper portion having a face bent at a right angle to the plane of the finger hook portion, and a lever portion bent forwardly at a right angle from one end of the stopper portion, the lever portion and the chain The seat height adjusting device of the exercising apparatus, which is connected by the slider.

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