KR101127509B1 - Stationary bike - Google Patents

Abstract

The present invention relates to a health bike having a saddle swing angle adjusting structure, and more particularly, an eccentric link structure is formed between a drive sprocket rotated by pressurization of a pedal and a saddle installed in a hinge structure on an upper portion of a vehicle body. The saddle is configured to swing left and right by pressing, particularly relates to a health bike having a saddle swing angle control structure configured to easily set the left and right swing angle according to the exercise ability or physical characteristics of the exerciser.

Fitness bike, saddle, pedal, drive sprocket, body, eccentric link structure, swing angle

Description

Fitness bicycle with saddle swing angle control structure {Stationary bike}

The present invention relates to a health bike having a saddle swing angle adjusting structure, and more particularly, an eccentric link structure is formed between a drive sprocket rotated by pressurization of a pedal and a saddle installed in a hinge structure on an upper portion of a vehicle body. The saddle is configured to swing left and right by pressing, particularly relates to a health bike having a saddle swing angle control structure configured to easily set the left and right swing angle according to the exercise ability or physical characteristics of the exerciser.

Scientific civilization can be said that the machine replaces all kinds of activities, including labor and work, which humans did directly, and as a result, scientific muscles are deteriorated or weakened.

In particular, news reports that the physical strength of adolescents, which are rapidly growing physically, are falling year after year, is an objective fact supporting this fact.

And this fact is applicable not only to young people before the test but also to all modern people, both young and old.

Meanwhile, bicycles, which were developed as the first means of transportation, have recently been improved and distributed for the purpose of improving the physical strength of modern people.

By the way, the conventional fitness bike has a limitation that the user is not easy to lose interest because the operation is very simple and the exercise is biased only on the leg part, and thus does not exhibit various exercise effects.

On the other hand, the present inventor has proposed a fitness bike in which the saddle swings left and right by pressing the pedal, the upper body including the abdomen and waist through the training of the lower body through the pressurization of the pedal and the left and right swing of the saddle by such a fitness bike. Training was possible at the same time.

However, the fitness bike is not formed to adjust the swing angle of the saddle, the saddle does not swing left and right appropriately to the physical condition of the exerciser, so that the left and right swing at a uniform angle to prepare for the physical condition of the exerciser Therefore, it is often pointed out that the saddle is excessively swinging left and right to give a physical crowd or relatively less swinging left and right to exhibit stable exercise efficiency.

An object of the present invention devised to solve the above problems, an eccentric link structure is formed between the drive sprocket rotated by the pressing of the pedal and the saddle installed in the hinge structure on the upper portion of the vehicle body, the saddle by pressing the pedal It is configured to swing left and right, and in particular to provide a health bike having a saddle swing angle control structure configured to easily set the left and right swing angle of the saddle according to the exercise ability or physical characteristics of the exerciser.

The above object is achieved by the following configuration provided in the present invention.

Fitness bike having a saddle swing angle control structure according to the invention,

Body; A drive sprocket axially mounted to the vehicle body and rotating in one direction by pressing a pedal; It is installed on the upper part of the vehicle to form a seating space of the seat, and comprises a saddle with an eccentric end formed, the saddle is installed in a rotational structure that can be rotated left and right through the hinge axis on the upper portion of the vehicle body, and the drive sprocket Between the eccentric end of the saddle is rotated by applying the rotational force of the drive sprocket, and connected between the crankshaft and the eccentric end of the saddle and the eccentric end of the saddle by rotating the structure of the drive sprocket is converted to the lifting force saddle Eccentric link structure is formed, including a connecting rod provided to the eccentric end of the saddle is configured to swing left and right by receiving a lifting force through the eccentric link structure,

Between the upper end of the connecting rod and the eccentric end of the saddle is formed a lead transport structure including a fastening groove of the spiral and a connecting bush fastened to the fastening groove of the spiral, by the lead transport action according to the change in the amount of fastening of the connection bush The connecting rod installed at the eccentric end is configured to be fed left and right, and the separation distance between the center of rotation of the saddle and the top of the connecting rod is changed by the left and right feeding of the connecting rod by the lead feeding structure so that the oscillation angle of the saddle is set to vary. It is characterized by the configuration.

Preferably, the eccentric end of the saddle is formed with a fastening groove of the spiral, a hollow connection bush is formed in the upper end of the connection rod is provided with a control nut rotating structure, the top of the connection rod penetrates the eccentric end of the saddle Through the connecting bush to form a lead feed structure of the position fixed to the eccentric end of the saddle,

According to the amount of fastening between the adjustment nut and the eccentric end of the saddle formed with the fastening groove of the spiral connection bushing fixed to the eccentric end of the saddle is transferred to the left and right, it is configured to vary the swing angle of the saddle is set.

More preferably, a plurality of installation grooves are formed in the adjustment nut, and the installation lever is provided with a lock lever having a support point, a force point and an action point, and the force point of the lock lever is upwardly supported by a spring supported by the lower end of the installation groove. On the other hand, a plurality of fixing grooves are formed in the outer diameter of the eccentric end of the saddle to which the adjusting nut is fastened, so that the action point of the lock lever is inserted into the fixing groove formed in the eccentric end of the saddle so that the rotation of the adjusting nut is restricted. do.

Then, the adjustment nut is released from the lock lever by the entry of the lock lever having a strap piece that enters the mounting groove of the adjustment nut at the tip of the mouthpiece rod and interferes with the force point of the lock lever, thereby releasing the rotation restraint by the lock lever. It is configured to adjust the distance between the connecting rod and the center of rotation of the saddle by applying a rotational force to rotate in the forward or reverse direction.

As described above, in the present invention, an eccentric link structure is provided between the drive sprocket and the saddle to convert the rotational force of the drive sprocket generated by the pressurization of the pedal into lifting force and provide the eccentric end of the saddle, It is proposed a fitness bike that allows the training of the lower body and the training of the abdomen and lower back by the left and right swing of the saddle at the same time.

In the present invention, by providing a dedicated structure to easily change the connection point of the upper end of the connecting rod forming the eccentric end and the eccentric link structure of the saddle, it is possible to freely set the left and right swing angle of the saddle according to the physique or physical characteristics of the exerciser To make it work.

In particular, in the present invention, the transfer bush connecting the eccentric end of the saddle and the upper end of the connecting rod is configured to be physically secured by the lock lever, the position of the movable bush is changed by the repetitive vibration generated during the movement process. The problem can be solved.

And, since the transfer bush is moved left and right by the operation of the hatchway entering from one side, by closing the eccentric link structure through the cover formed with the mouth hole to prevent external exposure, and by the hatchway entering through the mouth hole The saddle rotation angle can be easily adjusted.

Hereinafter, with reference to the accompanying drawings will be described in detail a health bike having a rotation angle adjustment function of the saddle proposed in the preferred embodiment of the present invention.

1 is a view showing the overall configuration and operation state of the fitness bike having a function of adjusting the swing angle of the saddle proposed in the present invention, Figures 2 to 4 is a swing proposed in the preferred embodiment of the present invention 5 shows a detailed configuration of the rocking angle of the saddle provided in the health bicycle having the adjustment function, and FIGS. 5 and 6 show the detailed configuration of the portion 'B' in FIG. 1 and the rocking angle of the saddle formed at the portion 'B'. Through showing the control state of the swing angle through sequentially.

The fitness bike 1 proposed as a preferred embodiment of the present invention basically includes a vehicle body 10 as shown in FIG. 1; A drive sprocket 20 installed on the vehicle body 10 through a shaft 21 to rotate in one direction by pressing the pedal 22; And a saddle 30 installed at an upper portion of the vehicle body 10 to form a seating space of the seater.

The saddle 30 is a support rod 32 installed in a rotational structure through a hinge shaft 33 on the vehicle body 10, and a saddle body installed in a pivot structure through a shaft 34 on an upper end of the support rod 32 ( 31), the lower end of the support rod 32 is formed so that the eccentric end (32c) protrudes in one piece.

In addition, the support rod 32 has a shape in which the first rod member 32a and the second rod member 32b having different diameters can be inserted and expanded as shown in FIGS. 1 and 4. The support rod 32 formed of the first rod member 32a and the second rod member 32b is formed to penetrate through the fixing hole 32aa and the long hole 32ba in the 32a) and the second rod member 32b. and. The total length is adjusted by the fixing action by the fixing bolt 32d penetrating the long hole 32ba and the fixing hole 32aa, thereby adjusting the phase of the saddle body 31.

In addition, a pair of support springs 31a are horizontally symmetrically installed between the upper end of the support rod 32 and the saddle main body 31 having a pivot structure through the shaft 34, and the support rod 32. The saddle body 31 installed in the rotational structure through the shaft 34 at the upper end of the c) is kept neutral by the support of the support spring 31a.

On the other hand, in the present embodiment, between the drive sprocket 20 and the eccentric end 32c of the saddle 30, the rotational force of the drive sprocket 20 generated by the pressurization of the pedal 22 is converted to the lifting force to the saddle. The eccentric link structure 40 provided at the eccentric end 32c of the 30 is formed, and the left and right rocking action of the saddle 30 is caused by the rotation action of the drive sprocket 20 by the eccentric link structure 40. To be implemented.

According to the present embodiment, the eccentric link structure 40 is rotated by the rotational force of the driving sprocket 20 and is installed on the vehicle body 10 in a rotational structure with a crank shaft 41 and the crank shaft 41 of the crank shaft 41. The connecting rod 43 is connected between the eccentric portion 41a and the eccentric end 32c of the saddle 30 to convert the rotational force of the drive sprocket 20 into the lifting force and provide it to the eccentric end 32c of the saddle 32. It is configured to include).

Referring to the drawings, the crankshaft 41 is provided with a driven sprocket 42 which rotates by applying a rotational force provided through the drive sprocket 20 through the chain 42a, and these chains 42a and driven sprockets are installed. Through 42, the crankshaft 41 is rotated by the rotational force of the drive sprocket.

In addition, hollow connection bushes 44 and 45 are formed at upper and lower ends of the connecting rod 43, and the upper and lower ends of the connecting rod 43 are formed through the connecting bushes 44 and 45. Are bound to the eccentric portion 41a and the eccentric end 32c of the saddle 30 in a rotational structure, respectively.

Therefore, the saddle 30 is applied to the lifting force converted by the rotational force of the drive sprocket 20 through the eccentric link structure 40 through the eccentric end 32c as shown in FIG. The left and right swings, and accordingly, the fitness bike 1 according to the present embodiment simultaneously exercises the lower body by pressing the pedal 22 and the upper body including the abdomen and the waist due to the left and right swings of the saddle 30 at the same time. Can be done.

And, in this embodiment, by adjusting the distance between the center of rotation of the saddle 30 and the connecting rod 43 bound to the eccentric end (32c), the swing angle adjustment to vary the swing angle of the saddle 30 is set I have a structure.

According to the present invention, the swing angle adjusting structure is basically between the eccentric end 32c of the saddle 30 and the upper end of the connecting rod 43 connected thereto, the fastening groove 32ca of the spiral and the fastening of the spiral. It is achieved through a lead transport structure including a connection bush 44 fastened to the groove 32ca to transfer the connection rod 43 left and right by a lead transport action through a change in the amount of fastening.

That is, the connecting rod 43 is moved left and right according to the fastening amount of the fastening groove 32ca and the connecting bush 44 of the helix and the connecting rod 43 and the saddle 30 by the left and right feeding of the connecting bush 44. The separation distance (L, L ') between the center of rotation is adjusted so that the swing angle (A, A') of the saddle 30 is set to vary.

Therefore, as shown in FIG. 1C, when the connecting bush 44 is transferred to the left by the lead feeding action, the distance L between the hinge shaft 33 and the connecting bush 44, which is the rotation center of the saddle 30, is small. However, since the vertical movement distance of the connecting rod 43 installed between the eccentric portion 41c of the crank shaft 41 and the eccentric end 32c of the saddle 30 is the same, the hinge axis that is the rotational center of the saddle 30 ( 33) and when the separation distance (L) of the connecting bush 44 is smaller, the swing angle (A) of the saddle is increased.

And, when the connecting bush 44 is transferred in the right direction by the lead feeding action, as shown in Figure 1d, the distance L 'between the hinge axis 33 and the connecting bush, which is the rotation center of the saddle 30, becomes large, but the crank Since the vertical movement distance of the connecting rod 43 provided between the eccentric portion 41c of the shaft 41 and the eccentric end 32c of the saddle 30 is the same, the hinge shaft 33 which is the rotational center of the saddle 30 is the same. As the distance L 'of the connecting bush 44 increases, the swing angle A' of the saddle decreases.

In the present invention, as shown in FIG. 2, a nut pipe 32e having a spiral fastening groove 32ea is formed at the eccentric end 32c of the saddle 30, and a connection rod (3) is formed on the nut pipe 32e. The connecting bolt 44 and the connecting rod 43 connected by the lead feeding action according to the fastening amount of the adjusting bolt 49 are fastened by fastening the adjusting bolt 49 fixing the connecting bush 44 of the connecting bolt 44. A lead feeding structure of one type so that the right and left feeds; As shown in FIG. 3, a control bolt 49 having a spiral fastening groove 49a is installed in the eccentric end 32c of the saddle 30 in a rotational structure, and the connection bush 44 is fastened to the control bolt 49. By the lead feed action by the forward and reverse rotation of the adjustment bolt 49, the lead feed structure of the form so that the connecting bush 44, and the connecting rod 43 connected to it to the left and right are proposed as the preferred embodiment, respectively have.

The lead feed structure is basically connected to the connecting bush 44 by the lead feed action according to the forward and reverse rotation of the adjustment bolt 49, and the connecting rod 43 connected to the eccentric end (32c) of the saddle 30 through this Is to be transported left and right.

And, the lead feed structure for the adjustment of the swing angle to be described later, as shown in Figures 1 and 4 to 6 are connected by the lead feed action according to the forward and reverse rotation of the adjustment nut 46 installed in the connecting bush 44 The bush 44 and the connecting rod 43 connected thereto are configured to be moved left and right.

In detail, the coupling groove 32ca of the spiral is formed in the outer diameter of the eccentric end 32c of the saddle 30, and the connection bush 44 formed at the upper end of the connection rod 43 has an adjustment nut 46. It is formed in a rotational structure, by the forward or reverse rotation of the adjustment nut 46 formed in the connecting bush 44 of the connecting rod 43 bound to the center of rotation of the saddle 30 and the eccentric end 32c The distance between them is easily adjusted. *** 44a in the drawing is a cap for preventing the departure of the adjustment nut, a ball joint, etc. that can be rotated itself is formed between the connecting bush and the connecting rod ***

With this configuration, the connecting bush 44 which fixes the connecting rod 43 to the eccentric end 32c of the saddle 30 by the forward or reverse rotation of the adjusting nut 46 is transferred left and right, and the eccentric end ( The distance between the connecting rod 43 and the center of rotation of the saddle 30 is adjusted by the left and right transport of the connecting bush 44 installed in the 32c), thereby adjusting the swing angle of the saddle 30.

On the other hand, in the present embodiment in forming such a swing angle control structure, the rotation of the adjustment nut 46 installed in the connecting bush 44 is configured to be physically constrained to the eccentric end (32c) of the saddle (30) By doing so, the adjustment nut 46 fixed through fastening at one point of the eccentric end 32c is rotated endlessly by repetitive vibration so that the connection bush 44 and the connection rod 43 are horizontally transferred, and the saddle 30 Random fluctuations in the swing angle of) are prevented.

To this end, in the present embodiment, a plurality of installation grooves 46a are formed in the adjustment nut 46 in a radial structure, and the installation grooves 46a have support points 47b, force points 47a, and working points 47c. The lock lever 47 is installed in a lever structure, and the force point 47a of the lock lever 47 is supported upward by a spring 48 whose lower end is supported in the installation groove 46, while the adjustment nut ( A plurality of fixing grooves 32ca are formed in the outer diameter of the eccentric end 32c of the saddle 30 to which the 46 is fastened.

Accordingly, the adjustment nut 46 formed on the connection bush 44 and fixed to the eccentric end 32c of the saddle 30 by fastening is a working point of the lock lever 47 as shown in FIG. 5. Rotation is constrained by adhesion between 47c and the fixing groove 32ca formed in the eccentric end 32c of the saddle 30.

Then, when the adjustment nut 46 is constrained to the eccentric end (32c) by the lock lever 47, the eccentric end of the saddle 30 by the repetitive vibration generated in the exercise bike (1) during the exercise process ( The adjustment nut 46 of the connection bush 44 fixed through the fastening to 32c) may be endlessly rotated, and as a result, a phenomenon in which the swing angle of the saddle 30 is randomly changed may be prevented.

In addition, the adjustment nut 46 whose rotation is constrained to the eccentric end 32c of the saddle 30 through the lock lever 47 is left and right swinging of the saddle 30 through a dedicated release port 50 to be described later. Rotation for the adjustment of the angle is implemented.

The release port 50 has a structure in which the adhesive piece 52 which enters each installation groove 46a of the adjustment nut 46 protrudes from the tip of the mouthpiece rod 51, and the user is shown in FIG. As shown, when the attachment piece 52 of the release port 50 enters each installation groove 46a of the adjustment nut 46 through the mouth hole 11a formed in the cover 11, the installation groove 46 The force point 47a of the lock lever 47 provided in the edge structure is lowered by the interference with the adherent piece 52 formed in the release port 50, so that the lock lever 47 moves in the opposite direction about the support point 47b. The rotational restriction of the adjustment nut 46 by the lock lever 47 is released by the reverse rotation of the lock lever 47.

In this state, when the user rotates the release port 50 in the forward or reverse direction, the adjustment nut 46 is rotated in the forward or reverse direction by applying a rotational force, the connecting rod by the forward and reverse rotation of the adjustment nut 46 The 43 is conveyed outward or inward so that the distance between the connecting rod 43 and the center of rotation of the saddle 30 is adjusted, resulting in adjustment of the rotation angle of the saddle.

Then, when the operator removes the release port 50 entered into the adjustment nut 46, the lock lever 47 installed in the installation groove 46a of the adjustment nut 46 is rotated in the forward direction about the support point (47b). As a result, as shown in FIG. 5, the operating point 47c of the lock lever 47 reenters and adheres to the fixing groove 32cb formed in the eccentric end 32c of the saddle 30 so that the adjustment nut 46 may be formed. To constrain the rotation.

Thus, in the health bicycle having a swing angle adjustment function according to the present embodiment, the adjustment nut of the lead feed structure for adjusting the swing angle of the saddle through the forward and reverse rotation, the rotation is restrained on the eccentric end of the saddle by the lock lever Since it is fixed to, by the repetitive vibration generated during the movement of the adjustment nut can be prevented from randomly changing the eccentric angle of the saddle by stepless forward and reverse rotation.

1 is a view showing the overall configuration and working state of the fitness bike having a function of adjusting the swing angle of the saddle proposed in the present invention,

2 to 4 is a detailed view showing the rocking angle adjustment structure of the saddle provided in the fitness bike having a rocking angle adjustment function proposed in the present invention,

5 and 6 sequentially show the adjustment state of the rocking angle through the detailed configuration of the 'B' portion and the rocking angle adjustment structure of the saddle formed in the 'B' portion in FIG.

**** Explanation of symbols for the main parts of the drawing ****

1. Fitness bike

10. Body 11. Cover

11a. A ball ball

20. Drive Sprocket 21. Shaft

22. Pedal

30. Saddle 31. Saddle Body

31a. Support spring

32. Support rod 32a. First rod member

32aa. Fastener

32b. Second rod member 32ba. Longevity

32c. Eccentric 32ca. Helix fastening groove

32cb. Retaining Groove 32d. Fixing bolt

32e. Nut tube 32ea. Helix fastening groove

33. Hinge Shaft 34. Shaft

40. Eccentric Link Structure

41. Crankshaft 41a. Eccentric

41c. Retaining Groove 42. Followed Sprocket

42a. Chain 43. Connecting Rod

44. Connecting Bush 45. Connecting Bush

46. Adjustment nut 46a. Home

47. Rock lever 47a. Power point

47b. Support point 47c. Working point

48. Spring 49. Adjusting bolt

49. Helix fastening groove

50. Haijeong-gu 51.

52. Scapula

Claims (6)

Body; A drive sprocket axially mounted to the vehicle body and rotating in one direction by pressing a pedal; It is installed on the upper part of the vehicle to form a seating space of the seat, and comprises a saddle with an eccentric end formed, the saddle is installed in a rotational structure that can be rotated left and right through the hinge axis on the upper portion of the vehicle body, and the drive sprocket Between the eccentric end of the saddle is rotated by applying the rotational force of the drive sprocket, and connected between the crankshaft and the eccentric end of the saddle and the eccentric end of the saddle by rotating the structure of the drive sprocket is converted to the lifting force saddle Eccentric link structure is formed, including a connecting rod provided to the eccentric end of the saddle is configured to swing left and right by receiving a lifting force through the eccentric link structure, A lead conveying structure is formed between the upper end of the connecting rod and the eccentric end of the saddle, so that the connecting bush installed at the eccentric end by the lead conveying action through the lead conveying structure, and the connecting rod fixed to the connecting bush are left and right conveyed. And, the separation distance between the center of rotation of the saddle and the top of the connecting rod is changed by the lead transfer action, so that the swing angle of the saddle is set to vary. The method of claim 1, wherein the lead feed structure is formed by forming a nut pipe with a spiral fastening groove formed at an eccentric end of the saddle, and fastening an adjustment bolt fixing the connection bushing of the connecting rod to the nut pipe by the pivot structure. Health bike having a swing angle adjustment function characterized in that the connecting bush is moved left and right by the lead transfer action according to the fastening amount of the bolt so that the connecting rod is transferred left and right. According to claim 1, wherein the lead feed structure, the control bolt is installed in the eccentric end of the saddle rotational structure, and fastening the connecting bushing having a helical fastening groove in the inner diameter, by the forward and reverse rotation of the adjustment bolt Health bicycle having a swing angle adjustment function, characterized in that the connection bush by the lead transport action, and the fixed connection rod through this to the left and right transport. The method of claim 1, wherein the lead feed structure, a helical fastening groove is formed in the eccentric end of the saddle, a hollow connection bush is formed in the upper end of the connecting rod is provided with a rotating nut, the adjustment nut, Health bike having a swing angle adjustment function, characterized in that the connection bush by the lead transport action according to the forward and reverse rotation, and the fixed connection rod through the left and right transport. According to claim 4, A plurality of installation grooves are formed in the adjustment nut is provided with a lock lever having a support point, a force point and an action point, the force point of the lock lever by a spring supported by the lower end in the installation groove While being supported upward, a plurality of fixing grooves are formed in the outer diameter of the eccentric end of the saddle to which the adjusting nut is fastened, so that the operating point of the lock lever is inserted into the fixing groove formed in the eccentric end of the saddle so that the rotation of the adjusting nut is restricted. Fitness bike having a saddle rotation angle adjustment function characterized in that configured. The adjustment nut of claim 5, wherein the adjustment nut is released from the lock lever by entering the installation groove of the adjustment nut at the distal end of the rod and interfering with the force point of the lock lever. Health bike having a saddle rotation angle adjustment function, characterized in that configured to adjust the distance between the connection rod and the center of rotation of the saddle by rotating in the forward or reverse direction by applying the rotational force from the hatch.

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