Abdominal training wheel

Abstract

An abdominal exercise bike, characterized in that it comprises a main body portion (1), wherein the main body portion (1) comprises a first mounting housing (5) and universal wheels (51), wherein the universal wheel (51) comprises a first mounting element (511) and a wheel portion (512), wherein the wheel portion (512) is rotatably connected to the first mounting element, and wherein the first mounting element (511) is rotatably connected to the first mounting housing (5).

Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application claims priority to Chinese patent applications No. CN202520107901.4, filed on January 16, 2025, with the State Intellectual Property Office of China, which are incorporated by reference in their entirety as part of this application. TECHNICAL FIELD

[0002] The present invention relates to the field of fitness equipment, in particular to an abdominal exercise bike. STATE OF THE ART

[0003] Abdominal exercise bikes are a general-purpose piece of exercise equipment. Long-term use of the abdominal exercise bike can exercise the body and improve immunity. In addition, the abdominal exercise bike is easy to use and can generally be used to burn fat in the abdomen, waist, hips, arms, and other parts of the body. It can also exercise local muscles and help develop abdominal muscles. However, the existing abdominal exercise bikes on the market can only exercise a single muscle group, which is very limited. Therefore, there is an urgent need to offer abdominal exercise bikes with multiple uses to enhance the user experience. CONTENT OF THE PRESENT INVENTION

[0004] To overcome the disadvantages of the prior art, the present invention provides an abdominal exercise bike comprising a main body portion, the main body portion comprising: a first abdominal training wheel body; a second abdominal training wheel body, wherein the second abdominal training wheel body is detachably connected to the first abdominal training wheel body to enable the second abdominal training wheel body to be combined with the first abdominal training wheel body into a whole.

[0005] The present invention has the following advantageous effects: The present invention provides an abdominal exercise bike comprising a main body portion, the main body portion comprising a first abdominal exercise bike body and a second abdominal exercise bike body, the second abdominal exercise bike body being detachably connected to the first abdominal exercise bike body to allow the second abdominal exercise bike body to be combined with the first abdominal exercise bike body to form a whole, so that a user can use the second abdominal exercise bike body in combination with the first abdominal exercise bike body to form a whole, alternatively, the first abdominal exercise bike body and the second abdominal exercise bike body can be separated from each other to use the first abdominal exercise bike body or the second abdominal exercise bike body individually to allow the user to use the abdominal exercise bike for exercising in a variety of different ways,to train different muscle groups of the body, thus meeting the user's actual usage needs in different scenarios. SHORT DESCRIPTION OF THE DRAWING

[0006] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the attached drawings used in the description of the embodiments will be briefly described below. Of course, the attached drawings in the following description are only some of the embodiments of the present invention, and those skilled in the art can create other attached drawings based on these drawings without any creative work.

[0007] The present invention will be described in more detail below in conjunction with the attached drawings and embodiments. Fig. 1 is a schematic representation of the overall structure of the present invention; Fig. 2 is an exploded view of the present invention; Fig. 3 is an enlarged view of A in Fig. 2; Fig. 4 is an enlarged view of B in Fig. 2; Fig. 5 is an enlarged view of C in Fig. 2; Fig. 6 is an enlarged view of D in Fig. 2; Fig. 7 is a sectional view taken along the main body portion; Fig. 8 is an enlarged view of E in Fig. 7; Fig. 9 is an enlarged view of F in Fig. 7; Fig. 10 is an enlarged view of G in Fig. 7; Fig. 11 is a schematic diagram of the structure of the pin; Fig. 12 is a schematic diagram of the structure of the adsorption element; Fig. 13 is a schematic diagram of the structure of the clamping device; Fig. 14 is a schematic diagram of the structure of the adhesive layer; Fig. Figure 15 is a schematic representation of the structure of the bracket; Fig. 16 is a schematic diagram of the structure of the bolt and screw; Fig. 17 is a schematic diagram of the structure of the rivet; Fig. 18 is a schematic representation of the structure of the rope; and Fig. Figure 19 is a schematic diagram of the structure of mortise and tenon. DETAILED DESCRIPTION

[0008] As in the Fig.1 to 19, the present invention provides an abdominal exercise bike comprising a main body portion 1, wherein the main body portion 1 comprises: a first abdominal training wheel body 2; a second abdominal exercise wheel body 3, wherein the second abdominal exercise wheel body 3 is detachably connected to the first abdominal exercise wheel body 2 to enable the second abdominal exercise wheel body 3 to be connected to the first abdominal exercise wheel body 2 into a whole.

[0009] With the above structure, the abdominal exercise bike comprises a main body portion 1, wherein the main body portion 1 comprises a first abdominal exercise bike body 2 and a second abdominal exercise bike body 3, wherein the second abdominal exercise bike body 3 is detachably connected to the first abdominal exercise bike body 2 to enable the second abdominal exercise bike body 3 to be connected to the first abdominal exercise bike body 2 to form a whole, so that a user can use the second abdominal exercise bike body 3 in combination with the first abdominal exercise bike body 2 to form a whole. Alternatively, the first abdominal exercise bike body 2 and the second abdominal exercise bike body 3 can be separated from each other to use the first abdominal exercise bike body 2 or the second abdominal exercise bike body 3 individually, thus allowing the user to use the abdominal exercise bike for exercising in a variety of different ways.to train different muscle groups of the body, thus meeting the user's actual usage needs in different scenarios.

[0010] The side of the second abdominal training wheel body 3 is detachably connected to the side of the first abdominal training wheel body 2 to enable the second abdominal training wheel body 3 to be connected to the first abdominal training wheel body 2 into a whole.

[0011] In this embodiment, the second abdominal exercise wheel body 3 is detachably connected to the first abdominal exercise wheel body 2 by means of staples 11, rivets 12, screws 13, bolts 14, adsorption elements 15, adhesive layers 191, bolts 16, ropes 17, pins 18, clamps 19, or a slotted and tenon structure 192. With the above structure, the detachable connection between the first abdominal exercise wheel body 2 and the second abdominal exercise wheel body 3 is effectively realized, which can facilitate the user to select various connection methods to connect the first abdominal exercise wheel body 2 and the second abdominal exercise wheel body 3 into a whole for use according to actual needs. The adsorption element is a magnetic suction block or a suction cup.

[0012] In this embodiment, the abdominal exercise bike further comprises a first locking means 4, wherein the second abdominal exercise bike body 3 and the first abdominal exercise bike body 2 are detachably connected by the first locking means 4; the first locking means 4 is movable between a first locking position and a first unlocking position; when the first locking means 4 is moved to the first locking position, the first locking means 4 locks the second abdominal exercise bike body 3 to the first abdominal exercise bike body 2 to integrally connect the second abdominal exercise bike body 3 to the first abdominal exercise bike body 2; when the first locking means 4 is moved to the first unlocking position, the lock between the second abdominal exercise bike body 3 and the first abdominal exercise bike body 2 is released.so that the first abdominal training wheel body 2 and the second abdominal training wheel body 3 can be separated from each other. The first abdominal training wheel body 2 comprises a first insertion opening 21, the second abdominal training wheel body 3 comprises a second insertion opening 31, and the first locking means 4 comprises first locking pins 41 and a first locking impact plate 42, wherein the first locking pin 41 comprises a first end 411 and a second end 412, wherein the first end 411 comprises a first stop portion 4111, wherein the second end 412 extends successively through the first insertion opening 21 and the second insertion opening 31, and wherein the second end 412 comprises a first locking groove 4121 in the side wall, wherein the first stop portion 4111 serves to stop the first end 411 within the first abdominal training wheel body 2, wherein the first locking impact plate 42 is engaged in the first locking groove 4121,The first locking baffle plate 42 serves to lock the second end 412 within the second abdominal exercise wheel body 3 to integrally connect the second abdominal exercise wheel body 3 to the first abdominal exercise wheel body 2. Specifically, the first locking means 4 further comprises a first elastic return means 43 and a second elastic return means 44. The first elastic return means 43 is housed in the first locking pin 41, one end of the first elastic return means 43 abutting the first stop portion 4111, while the other end of the first elastic return means 43 abuts the inner wall of the first abdominal exercise wheel body 2, and one end of the second elastic return means 44 abuts the first locking baffle plate 42, while the other end of the second elastic return means 44 abuts the inner wall of the second abdominal exercise wheel body 3.The first elastic return means 43 serves to push and lock the first locking groove 4121 against the first locking baffle plate 42, while the second elastic return means 44 serves to push and lock the first locking baffle plate 42 against the first locking groove 4121. Furthermore, the first locking baffle plate 42 includes a first locking opening 421, the first elastic return means 43 serving to push the first locking groove 4121 against the outer surface of the first locking baffle plate 42, while the second elastic return means 44 serving to push the first locking baffle plate 42 to press the inner wall of the first locking opening 421 against the first locking groove 4121. Furthermore, the first abdominal exercise wheel body 2 is further provided with a first slide rail 22.wherein the first stop portion 4111 includes a first sliding opening 41111; wherein the first slide rail 22 is provided through the first sliding opening 41111 so that the first locking pin 41 can slide along the first slide rail 22; further, the first slide rail 22 further includes a second stop portion 221, the second stop portion 221 serving to stop the first locking pin 41 within the first slide rail. With the above structure, the second end 412 of the first locking pin 41 is successively passed through the first insertion opening 21 and the second insertion opening 31, the first stop portion 4111 is used to stop the first end 411 in the first abdominal exercise wheel body 2, and the first locking baffle 42 is engaged in the first locking groove 4121, a first elastic return means 43 is used,To push the first locking groove 4121 against the outer surface of the first locking baffle plate 42, a second elastic restoring means 44 is used to push the first locking baffle plate 42 and press the inner wall of the first locking hole 421 against the first locking groove 4121, thereby preventing the second end 412 from being detached from the first insertion hole 21 and the second insertion hole 31, to lock the second end 412 of the first locking pin 41 against the second abdominal exercise wheel body 3, so that the second abdominal exercise wheel body 3 can be combined with the first abdominal exercise wheel body 2 into a whole. Furthermore, when it is necessary to separate the first abdominal exercise wheel body and the second abdominal exercise wheel body 3 from each other, an external force greater than the elastic restoring force can be applied.provided by the second elastic return means 44 and the first elastic return means 43, are applied to the first locking baffle 42, so that the first locking baffle 42 can be moved in the direction of leaving the first locking groove 4121 until it is disengaged from the first locking groove 4121, to release the second end 412 of the first locking pin 41 from the second insertion hole 31, to release the lock between the first abdominal exercise wheel body 2 and the second abdominal exercise wheel body 3, and to use the first abdominal exercise wheel body 2 and the second abdominal exercise wheel body 3 separately. For example, in some scenarios, the user may use one of the first abdominal exercise wheel body 2 or the second abdominal exercise wheel body 3 for abdominal muscle training.The other of the first abdominal exercise wheel body 2 or the second abdominal exercise wheel body 3 can be used by another person for abdominal training, allowing the user and the other person to perform abdominal training at the same time. This is especially suitable for a fitness instructor guiding a student in abdominal training.

[0013] In this embodiment, the first stopper portion 4111 includes a first weight-reducing groove 2212, the first weight-reducing groove 2212 being provided with a first reinforcing bar 2213, the second abdominal exercise wheel body 3 including a mounting cam 32, the first locking baffle 42 including a second slide rail 422, and the mounting cam 32 including a second slide opening 321, the second slide rail 422 being provided through the second slide opening 321 so that the second slide rail 422 can slide within the second slide opening 321.Specifically, the first locking baffle 42 includes a first sliding groove 423, and the second abdominal exercise wheel body 3 is provided with a first sliding block 33, the first sliding block 33 being located within the first sliding groove 423 and movable within the first sliding groove 423 to allow the first locking baffle 42 to slide on the second abdominal exercise wheel body 3. Further, the number of first locking pins 41 is two, the two first locking pins 41 being respectively connected to the two sides of the first stopper portion 4111, and the number of first locking holes 421 is two, the two first locking holes 421 being respectively located on the two sides of the first locking baffle 42.With the above structure, a first reinforcement bar 2213 is provided in the first weight-reducing groove 2212, which can reduce the dead weight of the first stopper portion, facilitate the transportation and storage of the abdominal exercise bike, and ensure the strength of the first stopper portion. Furthermore, the first locking pin 41 can be inserted into the first insertion hole 21 and the second insertion hole 31, and the first locking baffle 42 can be slid on the second abdominal exercise bike body 3 to connect to or disconnect from the first locking groove 4121, allowing the user to easily disassemble and assemble the abdominal exercise bike.

[0014] In this embodiment, the main body portion 1 comprises a first mounting housing 5, universal wheels 51, and a second locking means 52, wherein the universal wheel 51 comprises a first mounting member 511 and a wheel portion 512, wherein the wheel portion 512 is rotatably connected to the first mounting member, and wherein the first mounting member 511 is rotatably connected to the first mounting housing 5, wherein the second locking means 52 is movable between a second locking position and a second unlocking position, wherein, when the second locking means 52 is moved to the second locking position, the second locking means 52 locks the first mounting member 511 to the first mounting housing 5 so that it is not rotatable between the first mounting member 511 and the first mounting housing 5, and while, when the second locking means 52 is moved to the second unlocking position,the lock between the first mounting member 511 and the first mounting housing 5 is released so that it is rotatable between the first mounting member 511 and the first mounting housing 5. With the above structure, the main body portion 1 comprises a first mounting housing 5, universal wheels 51, and a second locking means 52. The universal wheels 51 comprise a first mounting member 511 and a wheel portion 512, and the wheel portion 512 is rotatably connected to the first mounting member. The first mounting member 511 is rotatably connected to the first mounting housing 5, and the second locking means 52 can be moved between a second locking position and a second unlocking position. When the second locking means 52 is moved to the second locking position, the second locking means 52 locks the first mounting member 511 in the first mounting housing 5.so that the first mounting element 511 and the first mounting housing 5 are non-rotatable; when the second locking means 52 is moved to the second unlocking position, the lock between the first mounting element 511 and the first mounting housing 5 is released, allowing the first mounting element 511 and the first mounting housing 5 to be rotated, allowing the user to lock the first mounting element 511 to the first mounting housing 5 via the second locking means 52, making it non-rotatable between the first mounting element 511 and the first mounting housing 5, to secure the first mounting element 511 and allow the wheel portion 512 to move in only one direction, allowing the user to concentrate on training the muscle groups to be trained; if multiple muscle groups need to be trained, the lock between the first mounting element 511 and the first mounting housing 5 can be released.by moving the second locking means 52 into the second unlocking position so that the wheel portion 512 can move in multiple directions, allowing the user to train different muscle groups by adjusting the direction of movement of the wheel portion 512.

[0015] In this embodiment, the second locking means 52 comprises a first limit knob 521, the first mounting member 511 comprises a first mounting hole 5111, wherein when the second locking means 52 is moved to a second locking position, the first limit knob 521 is located within the first mounting hole 5111 so that it is not rotatable between the first mounting member 511 and the first mounting housing 5, and while when the second locking means 52 is moved to the second unlocking position, the first limit knob 521 is released from the first mounting hole 5111 so that it is rotatable between the first mounting member 511 and the first mounting housing 5, wherein the second locking means 52 further comprises a second limit knob 522, wherein when the second locking means 52 is moved to the second locking position,the first limit knob 521 or the second limit knob 522 is located within the first mounting hole 5111 so that it is not rotatable between the first mounting member 511 and the first mounting housing 5, and while, when the second locking means 52 is moved to the second unlocking position, the first limit knob 521 or the second limit knob 522 is released from the first mounting hole 5111 so that it is rotatable between the first mounting member 511 and the first mounting housing 5. Specifically, the first limit knob 521 is located on the left side of the first mounting member 511, and the second limit knob 522 is located on the front side of the first mounting member 511, wherein when the first limit knob 521 is connected to the first mounting hole 5111, it is not rotatable between the first mounting member 511 and the first mounting housing 5.so that the first mounting element 511 is locked longitudinally to the wheel portion 512, and while, when the second limit knob 522 is connected to the first mounting hole 5111, it is non-rotatable between the first mounting element 511 and the first mounting housing 5, so that the first mounting element 511 is transversely locked to the wheel portion 512. Furthermore, the second locking means 52 further comprises an upper locking rod 523 and a connecting rod assembly 524. The first mounting housing 5 includes a second mounting hole 53, the upper locking rod 523 being arranged in the second mounting hole 53, and the upper locking rod 523 being rotatable within the second mounting hole 53 into the second locking position or the second unlocking position. The connecting rod assembly 524 is connected to the first limit knob 521 and the second limit knob 522.wherein the connecting rod assembly 524 abuts in the upper locking rod 523, wherein, when the upper locking rod 523 is rotated to the second unlocking position, the upper locking rod 523 lifts the connecting rod assembly 524, the first limit button 521, and the second limit button 522 to disengage the first limit button 521 and the second limit button 522 from the first mounting hole 5111 so that it is rotatable between the first mounting member 511 and the first mounting housing 5; and while, when the upper locking rod 523 is rotated to the second locking position, the upper locking rod 523 releases the elevation of the connecting rod assembly 524 and the first limit button 521, but the upper locking rod maintains the elevation of the second limit button to allow the first limit button 521 to fall back into the first mounting hole 5111,so that it is non-rotatable between the first mounting member 511 and the first mounting housing 5; or wherein, when the upper locking rod 523 is rotated to a locking position, the upper locking rod 523 releases the lift-off of the connecting rod assembly 524 and the second limit knob, but the upper locking rod maintains the lift-off of the first limit knob to allow the second limit knob to fall back into the first mounting hole 5111 so that it is non-rotatable between the first mounting member 511 and the first mounting housing 5. Furthermore, the upper locking bar 523 comprises a first escape recess 5231 and a lifting surface 5232, wherein the first escape recess 5231 is arranged around a part of the peripheral wall of the upper locking bar 523, wherein the lifting surface 5232 is arranged around another part of the peripheral wall of the upper locking bar 523; wherein,When the upper locking rod 523 is rotated to the second unlocking position, the lifting surface 5232 of the upper locking rod 523 abuts the connecting rod assembly 524, and the lifting surface 5232 of the upper locking rod 523 lifts the connecting rod assembly 524, the first limit knob 521, and the second limit knob 522 to detach the first limit knob 521 and the second limit knob 522 from the first mounting hole 5111 so that it is rotatable between the first mounting member 511 and the first mounting housing 5; and while, when the upper locking rod 523 is rotated to the second locking position, the lifting surface 5232 separates from a part of the connecting rod assembly 524, allowing a part of the connecting rod assembly 524 to fall back into the first escape recess 5231,the upper locking rod releases the lift of the first limit button and the upper locking rod maintains the lift of the second limit button, so that the first limit button 521 can be reset and falls back into the first mounting hole 5111, so that it is not rotatable between the first mounting member 511 and the first mounting housing 5; or wherein, when the upper locking rod 523 is rotated to the second locking position, the lifting surface 5232 separates from a portion of the connecting rod assembly 524, a portion of the connecting rod assembly 524 can fall back into the first escape recess 5231, the upper locking rod releases the lift of the second limit button, and the upper locking rod maintains the lift of the first limit button, so that the second limit button 522 can be reset and falls back into the first mounting hole 5111,so that it is non-rotatable between the first mounting element 511 and the first mounting housing 5. The second locking means 52 further comprises a first rotary knob 525, wherein the first knob 525 is connected to the upper locking rod 523 so that rotation of the first rotary knob 525 can drive the rotation of the upper locking rod 523. Furthermore, the connecting rod assembly 524 comprises a first connecting rod 5241 and a second connecting rod 5242, and the first escape recess 5231 comprises a first recess unit 52311 and a second recess unit 52312, wherein the first escape recess and the second escape recess are arranged on both sides of the lifting surface, wherein the first connecting rod 5241 is connected to the first limit knob 521, wherein the first connecting rod 5241 abuts the upper locking rod 523.wherein the second connecting rod 5242 is connected to the second limit knob 522, the second connecting rod 5242 abuts the upper locking rod 523; wherein, when the upper locking rod 523 is rotated to the second unlocking position, the lifting surface 5232 of the upper locking rod 523 abuts the first connecting rod 5241 and the second connecting rod 5242, the lifting surface 5232 of the upper locking rod 523 abuts the first connecting rod 5241, the second connecting rod 5242, the first limit knob 521, and the second limit knob 522 to disengage the first limit knob 521 and the second limit knob 522 from the first mounting hole 5111 so that it is rotatable between the first mounting member 511 and the first mounting housing 5; and while, when the upper locking rod 523 is rotated to the second locking position,When the lifting surface 5232 separates from the first connecting rod 5241, the lifting surface maintains the lifting of the second connecting rod, the first connecting rod 5241 can fall back into the first recess unit 52311, so that the first limit button 521 can be elastically reset and falls back into the first mounting hole 5111, so that it is not rotatable between the first mounting member 511 and the first mounting housing 5; or when the upper locking rod 523 is rotated to a locking position, the lifting surface 5232 separates from the second connecting rod, the lifting surface maintains the lifting of the first connecting rod, the second connecting rod can fall back into the second recess unit, so that the second limit button can be reset and falls back into the first mounting hole 5111,so that it is not rotatable between the first mounting member 511 and the first mounting housing 5. The first limit button 521 and the second limit button 522 both comprise a limit pin 5221 and a first spring 5222, and the main body portion 1 comprises both a first limit plate 5223 and a second limit plate 5224, wherein the first limit plate 5223 and the second limit plate 5224 are provided with limit holes 52241, wherein the limit pin 5221 is arranged in the limit hole 52241, and wherein the limit pin 5221 is slidable into the limit hole 52241, wherein the first spring 5222 is fitted in the limit pin 5221, wherein one end of the first spring 5222 abuts the inner wall of the first limit plate 5223, and the other end of the first spring 5222 abuts the second limit plate 5224,A positioning cam 52211 extends from the side wall of the limit pin 5221, and the positioning cam 52211 is disposed in the first spring 5222 so that the first spring 5222 can push the limit pin 5221 into the first mounting hole 5111 for movement. With the above structure, when it is necessary to lock the first mounting member 511 to the first mounting housing 5 so that the first mounting member 511 cannot rotate between the first mounting member 511 and the first mounting housing 5 when the wheel portion 512 moves in one direction, only the first rotary knob 525 needs to be rotated, and the rotation of the first rotary knob 525 drives the upper locking rod 523 to rotate until the lifting surface 5232 abuts the first connecting rod 5241.so that the first connecting rod 5241 can be dropped back into the first recess unit 52311; The lifting surface maintains the lifting of the second connecting rod to elastically restore the first spring 5222 and push the limit pin 5221 back down into the first mounting hole 5111, so that the first mounting member 511 is not rotatable between the first mounting member 511 and the first mounting housing 5, to determine the direction of movement of the wheel portion 512; Alternatively, if it is necessary to lock the first mounting member 511 to the first mounting housing 5, so that the first mounting member 511 is not rotatable between the first mounting member 511 and the first mounting housing 5; when the wheel portion 512 moves in one direction, only the first rotary knob 525 needs to be rotated, and the rotation of the first rotary knob 525 drives the upper locking rod 523 to rotate,until the lifting surface 5232 is separated from the second connecting rod 5242, allowing the second connecting rod to fall back into the second recess unit; the lifting surface further lifts the first connecting rod to elastically reset the first spring 5222 and push the limit pin 5221 back down into the first mounting hole 5111, so that the first mounting member 511 cannot rotate between the first mounting member 511 and the first mounting housing 5, to fix the movement direction of the wheel section 512. If the lock between the first mounting member 511 and the first mounting housing 5 needs to be released so that the first mounting member 511 cannot rotate between the first mounting member 511 and the first mounting housing 5, so that the wheel section 512 can move in all directions, only the first rotary knob 525 needs to be turned.and the rotation of the first rotary knob 525 drives the upper locking rod 523 to rotate until the lifting surface 5232 abuts the first connecting rod 5241 and the second connecting rod 5242, so that the lifting surface 5232 of the upper locking rod 523 lifts the first connecting rod 5241, the second connecting rod 5242, and the limit pin 5221, and the first spring 5222 is compressed to release the limit pin 5221 from the first mounting hole 5111, so that the first mounting member 511 can be rotatably adjusted between the first mounting member 511 and the first mounting housing 5 to regulate the rotation direction of the wheel portion 512.

[0016] In this embodiment, the abdominal exercise bike further includes a handle 6, the handle 6 being detachably connected to the main body portion 1. With the above structure, since the handle 6 is detachably connected to the main body portion 1, it can be easy for the user to install or remove the handle 6, which not only provides the user with more training methods but also facilitates the removal and storage of the handle 6.

[0017] In this embodiment, the top surface of the main body portion 1 includes a first mounting portion 10, and the side surface of the main body portion 1 includes a second mounting portion 101, wherein the handle 6 is selectively detachably connected to one of the first mounting portion 10 and the second mounting portion 101. With the above structure, since the handle 6 is selectively detachably connected to the first mounting portion 10 or the second mounting portion 101, the user can mount the handle 6 on the top surface or the side surface for use, thus facilitating the user's adjustment of the position of the handle 6 according to the actual needs for adjusting the body position during abdominal training.

[0018] In this embodiment, when the handle 6 is connected to the first mounting portion 10, the handle 6 is arranged at an inclined angle to the top surface of the main body portion 1, and when the handle 6 is connected to the second mounting portion 101, the handle 6 is arranged at an inclined angle to the side surface of the main body portion 1. With the above structure, the handle 6 inclined with the top surface or the side surface is more in line with the curve of the human hand, and the grip is more comfortable, so it is comfortable for the user to hold the handle 6 for a long time to perform abdominal training.

[0019] In this embodiment, the abdominal exercise bike further comprises an elastic locking means 7, wherein the handle 6 is detachably connected to the first mounting portion 10 by means of the elastic locking means 7, wherein the first mounting portion 10 comprises a first insertion hole 102, wherein the first mounting portion 10 is provided at an inclined angle to a top surface of the main body portion 1 such that when the handle 6 is inserted into the first insertion hole 102, the handle 6 is provided at an inclined angle to the top surface of the main body portion 1, wherein the second mounting portion 101 comprises a second insertion hole 1011, and the second mounting portion 101 is provided at an inclined angle to a side surface of the main body portion 1 such that when the handle 6 is inserted into the second insertion hole 1011,the handle 6 is provided at an inclined angle to a side surface of the main body portion 1. Specifically, the elastic locking means 7 includes a locking knob 71 and a first locking hole 1021 provided in the inner wall of the first insertion hole 102. When the handle 6 is inserted into the first insertion hole 102, the locking knob 71 is connected to the first locking hole 1021 to integrally connect the handle 6 to the main body portion 1, and when the handle 6 is inserted into the second insertion hole 1011, the locking knob 71 is connected to the second locking hole 10111 to integrally connect the handle 6 to the main body portion 1. Furthermore, the handle 6 comprises a sleeve 61 and a sliding rod 62, wherein the sliding rod 62 is slidable within the sleeve 61 into a third locking position or a third unlocking position,wherein the sleeve 61 has a first opening 611 in the side wall, and wherein, when the handle 6 is inserted into the first insertion hole 102 and the push rod 62 is pushed into the third locking position, the locking button 71 is elastically returned so that it protrudes from the first opening 611 and is connected to the first locking hole 1021, and while, when the push rod 62 is pushed into the third unlocking position, the push rod 62 pushes the locking button 71 back into the sleeve 61 to allow the locking button 71 to be released from the first locking hole 1021 so that the handle 6 can be released from the first insertion hole, and while, when the handle 6 is inserted into the second insertion hole 1011 and the push rod 62 is pushed into the third locking position, the locking button 71 is elastically returned becomes,so that it protrudes from the first opening 611 and is connected to the second locking hole 10111, and while, when the push rod 62 is pushed to the third unlocking position, the push rod 62 pushes the locking button 71 back into the sleeve 61 to allow the locking button 71 to be released from the second locking hole 10111 so that the handle 6 can be released from the first insertion hole. Furthermore, the locking button 71 comprises a first side wall 711 and a second side wall 712, the first side wall 711 being connected to the second side wall 712, a first elastic gap 713 being formed between the inner surface of the first side wall 711 and the inner surface of the second side wall 712, the outer surface of the first side wall 711 and the outer surface of the second side wall 712 being provided with a locking pin 7121 are provided, and wherein,when the handle 6 is inserted into the first insertion hole 102 and the slide rod 62 is pushed from the third unlocking position to the third locking position, the slide rod 62 is separated from the first side wall 711 and the second side wall 712, the locking pin 7121 is elastically restored to protrude from the first opening 611 and connect with the first locking hole 1021, and when the slide rod 62 is pushed from the third locking position to the third unlocking position, the slide rod 62 pushes the outer surfaces of the first side wall 711 and the second side wall 712 so that the first side wall 711 and the second side wall 712 are close to each other, and the locking rod 7121 slides back into the sleeve 61 to disengage from the first locking hole 1021; and wherein,when the handle 6 is inserted into the second insertion hole 1011 and the slide rod 62 is pushed from the third unlocking position to the third locking position, the slide rod 62 is separated from the first side wall 711 and the second side wall 712, the locking pin 7121 is elastically returned to protrude from the first opening 611 and connect with the second locking hole 10111, and when the slide rod 62 is pushed from the third locking position to the third unlocking position, the slide rod 62 pushes the outer surfaces of the first side wall 711 and the second side wall 712 so that the first side wall 711 and the second side wall 712 are close to each other, and the locking rod 7121 slides back into the sleeve 61,to disengage from the second locking hole 10111. Further, the slide rod 62 includes a first limiting groove 621 and a second limiting groove 622, and the sleeve 61 includes a first limiting rod 612 and a second limiting rod 613, wherein the first limiting rod 612 is located in the first limiting groove 621 and the first limiting rod 612 is slidable in the first limiting groove 621; the second limiting rod 613 is located in the second limiting groove 622, and the second limiting rod 613 is slidable in the second limiting groove 622; When the slide rod 62 slides from the third unlocking position to the third locking position, the first limiting rod 612 abuts the inner wall of the first limiting groove 621 to stop the slide rod 62 in the third locking position; When the push rod 62 is pushed from the third locking position to the third unlocking position,The second limiting rod 613 is pressed against the inner wall of the second limiting groove 622 to stop the pushing rod 62 in the third unlocking position. With the above structure, when the user needs to install the handle 6 in the first insertion opening 102, the pushing rod 62 can be pushed to push the pushing rod 62 to the third locking position, and the locking pin 7121 of the locking knob 71 is elastically reset to extend from the first opening 611 and connect with the first locking hole 1021 to lock the handle 6 in the first insertion opening 102. When the user needs to release the handle 6 from the first insertion hole 102, the push rod 62 can be pushed to push the push rod 62 to the third unlocking position so that the push rod 62 presses against the first side wall 711 and the outer surface of the second side wall 712,to bring the first side wall 711 and the second side wall 712 closer together; the locking pin 7121 is retracted toward the sleeve 61 until it is disengaged from the first locking hole 1021, allowing the user to release the handle 6 from the first insertion hole 102. When the user needs to install the handle 6 into the second insertion hole 1011, the sliding rod 62 can be pushed to slide the sliding rod 62 to the third locking position, and the locking pin 7121 of the locking knob 71 elastically returns to extend from the first opening 611 and connect with the second locking hole 10111 to lock the handle 6 in the second insertion hole. When the user needs to release the handle 6 from the second insertion hole 1011, the push rod 62 can be pushed to push the push rod 62 to the third unlocking position,so that the slide rod 62 presses on the outer surfaces of the first side wall 711 and the second side wall 712 to bring the first side wall 711 and the second side wall 712 closer together; the locking pin 7121 retracts toward the sleeve 61 until it is disengaged from the second locking hole 10111 to facilitate the user's removal of the handle 6 from the second insertion hole 1011. The first limiting rod 612, the first limiting groove 621, the second limiting rod 613, and the second limiting groove 622 can limit the sliding position of the slide rod 62 so that the slide rod 62 can be accurately slid to the third locking position or the third unlocking position, and to prevent excessive sliding of the slide rod 62. The length of the first opening is at least 1,1 time the length of the locking pin. Preferably, the length of the first opening is at least 1.5 to 2 times the length of the locking pin, so that the locking pin is movable and telescopic in the first opening.

[0020] In this embodiment, the handle 6 further includes a protective sleeve 63, wherein the protective sleeve 63 is provided over the sleeve 61. The protective sleeve 63 is a flexible protective sleeve 63, and the surface of the flexible protective sleeve 63 includes a number of raised anti-slip patterns 631. The flexible protective sleeve 63 is a silicone protective sleeve 63, a rubber protective sleeve 63, or a plastic protective sleeve 63. With the above structure, since the handle 6 also includes the protective sleeve 63, it can be easier for the user to hold the handle 6 more comfortably.

[0021] In this embodiment, the first abdominal exercise wheel body 2 includes a support profile portion 23 and a flexible support cushion body portion 24. The support profile portion 23 is connected to the support cushion body portion 24, and the support profile portion 23 is used to support the support cushion body portion 24. With the above structure, the flexible support cushion body portion 24 is used to support the user's arm, which can provide flexible support for the arm and enhance the user's experience.

[0022] In this embodiment, the support profile portion 23 is formed by combining multiple metal profiles. With the above structure, the support profile formed by combining multiple metal profiles can provide stronger support force, prevent the first abdominal exercise bike body from collapsing, and significantly improve the service life of the abdominal exercise bike.

[0023] In this embodiment, the support profile section 23 comprises a first profile 231, a second profile 232, a third profile 233 and a fourth profile 234 which is opposite to the first profile 231, and one end of the first profile 231 is connected to one end of the second profile 232 via the third profile 233, the other end of the first profile 231 is connected to the other end of the second profile 232 via a fourth profile 234, wherein the fourth profile 234 is provided at an oblique angle to the first profile 231 and / or the second profile 232, one end of the fourth profile 234 and / or the other end of the fourth profile 234 is provided with a second mounting section 101.In particular, the fourth profile 234 comprises a first profile unit 2341 and a second profile unit 2342. The first profile unit 2341 is connected to the second profile unit 2342, so that the first profile unit 2341 and the second profile unit 2342 are assembled to form a V-shaped fourth profile 234, wherein the first profile unit 2341 is connected to the first profile 231 and the second profile unit 2342 is connected to the second profile 232. The first profile unit 2341 is provided at an inclined angle to the first profile 231, and the second profile unit 2342 is provided at an inclined angle to the second profile 232.Furthermore, a fifth profile 235, a sixth profile 236 opposite the fifth profile 235, and a seventh profile 237 are provided. One end of the fourth profile 234 is connected to the first profile 231 and the second profile 232, and one end of the fifth profile 235 and one end of the sixth profile 236 are each connected to the other side of the fourth profile 234. The other end of the fifth profile 235 is connected to the other end of the sixth profile 236 via the seventh profile 237. Furthermore, the third profile 233 and the seventh profile 237 are connected to a wheel portion 512. With the above structure, the adjustment of the support profile portion 23 is effectively realized.In addition, since the first profile unit 2341 is arranged at an inclined angle to the first profile 231 and the second profile unit 2342 is arranged at an inclined angle to the second profile 232, one end of the fourth profile 234 and / or the other end of the fourth profile 234 is provided with a second mounting portion 101, so that when the handle 6 is connected to the second mounting portion 101, the handle 6 is set at an inclined angle to the main body portion 1 side.

[0024] In this embodiment, the support cushion body portion 24 includes a mounting frame 241 and a flexible cushion body 242. The top surface of the mounting frame 241 includes a mounting groove 2411, the flexible cushion body 242 is disposed in the mounting groove 2411, and the bottom surface of the mounting frame 241 is connected to the support profile portion 23. The mounting frame 241 is a plastic mounting frame 241. Specifically, the flexible cushion body 242 is detachably connected to the mounting frame 241. Furthermore, the flexible cushion body 242 is detachably connected to the mounting frame 241 by means of threads or clamps 11. With the above structure, the construction is rational, the connection is solid, and the connection between the mounting frame 241 and the flexible cushion body 242 is effectively realized.

[0025] The above embodiments are one or more embodiments provided in conjunction with the specific content, and it is not stipulated that the specific implementation of the present utility model is limited only to these descriptions. Any method, structure, or other similarity to the present utility model, or any technical derivation or substitution made under the premise of the present utility model idea, shall be deemed to be within the scope of the present utility model. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] CN 202520107901.4

[0001]

Claims

[1] An abdominal training wheel, characterized by that it comprises a main body portion (1), wherein the main body portion (1) comprises a first mounting housing (5) and universal wheels (51), wherein the universal wheel (51) comprises a first mounting element (511) and a wheel portion (512), wherein the wheel portion (512) is rotatably connected to the first mounting element, and wherein the first mounting element (511) is rotatably connected to the first mounting housing (5). [2] The abdominal training wheel according to claim 1, characterized byin that the main body portion (1) further comprises a second locking means (52), the second locking means (52) being movable between a second locking position and a second unlocking position, wherein, when the second locking means (52) is moved to the second locking position, the second locking means (52) locks the first mounting member (511) to the first mounting housing (5) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5), and while, when the second locking means (52) is moved to the second unlocking position, the lock between the first mounting member (511) and the first mounting housing (5) is released so that it is rotatable between the first mounting member (511) and the first mounting housing (5). [3] The abdominal training wheel according to claim 2, characterized bythat the second locking means (52) comprises a first limit button (521), and that the first mounting element (511) comprises a first mounting hole (5111), wherein, when the second locking means (52) is moved to a second locking position, the first limit button (521) is located within the first mounting hole (5111) so that it is not rotatable between the first mounting element (511) and the first mounting housing (5), and while, when the second locking means (52) is moved to the second unlocking position, the first limit button (521) is released from the first mounting hole (5111) so that it is rotatable between the first mounting element (511) and the first mounting housing (5). [4] The abdominal training wheel according to claim 3, characterized bythat the second locking means (52) further comprises a second limit knob (522), wherein, when the second locking means (52) is moved to the second locking position, the first limit knob (521) or the second limit knob (522) is located within the first mounting hole (5111) so as to be non-rotatable between the first mounting member (511) and the first mounting housing (5), and while, when the second locking means (52) is moved to the second unlocking position, the first limit knob (521) or the second limit knob (522) is detached from the first mounting hole (5111) so as to be rotatable between the first mounting member (511) and the first mounting housing (5). [5] The abdominal training wheel according to claim 4, characterized bythat the first limit knob (521) is located on the left side of the first mounting member (511) and that the second limit knob (522) is located on the front side of the first mounting member (511), wherein, when the first limit knob (521) is connected to the first mounting hole (5111), it is non-rotatable between the first mounting member (511) and the first mounting housing (5), so that the first mounting member (511) is locked longitudinally to the wheel portion (512), and while, when the second limit knob (522) is connected to the first mounting hole (5111), it is non-rotatable between the first mounting member (511) and the first mounting housing (5), so that the first mounting member (511) is locked transversely to the wheel portion (512). [6] The abdominal training wheel according to claim 4, characterized bythat the second locking means (52) further comprises an upper locking rod (523) and a connecting rod assembly (524), wherein the first mounting housing (5) comprises a second mounting hole (53), wherein the upper locking rod (523) is arranged in the second mounting hole (53), and wherein the upper locking rod (523) is rotatable within the second mounting hole (53) into the second locking position or the second unlocking position, wherein the connecting rod assembly (524) is connected to the first limit button (521) and the second limit button (522), wherein the connecting rod assembly (524) abuts in the upper locking rod (523), wherein when the upper locking rod (523) is rotated into the second unlocking position, the upper locking rod (523) the connecting rod assembly (524), the first limit button (521) and the second limit button (522) raises,to disengage the first limit knob (521) and the second limit knob (522) from the first mounting hole (5111) so that it is rotatable between the first mounting member (511) and the first mounting housing (5); and while, when the upper locking rod (523) is rotated to the second locking position, the upper locking rod (523) releases the elevation of the connecting rod assembly (524) and the first limit knob (521), but the upper locking rod maintains the elevation of the second limit knob to allow the first limit knob (521) to fall back into the first mounting hole (5111) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5); or wherein, when the upper locking rod (523) is rotated to a locking position, the upper locking rod (523) releases the lifting of the connecting rod assembly (524) and the second limit button,but the upper locking rod maintains the lift-off of the first limit button to allow the second limit button to fall back into the first mounting hole (5111) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5)., [7] The abdominal training wheel according to claim 6, characterized bythat the upper locking bar (523) comprises a first escape recess (5231) and a lifting surface (5232), wherein the first escape recess (5231) is arranged around a part of the peripheral wall of the upper locking bar (523), wherein the lifting surface (5232) is arranged around another part of the peripheral wall of the upper locking bar (523); wherein, when the upper locking rod (523) is rotated to the second unlocking position, the lifting surface (5232) of the upper locking rod (523) abuts in the connecting rod assembly (524), and the lifting surface (5232) of the upper locking rod (523) lifts the connecting rod assembly (524), the first limit knob (521) and the second limit knob (522) to detach the first limit knob (521) and the second limit knob (522) from the first mounting hole (5111) so that it is rotatable between the first mounting member (511) and the first mounting housing (5);and while, when the upper locking rod (523) is rotated to the second locking position, the lift-off surface (5232) separates from a part of the connecting rod assembly (524), a part of the connecting rod assembly (524) can fall back into the first escape recess (5231), the upper locking rod releases the lift-off of the first limit button and the upper locking rod maintains the lift-off of the second limit button, so that the first limit button (521) can be reset and falls back into the first mounting hole (5111) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5);or wherein, when the upper locking rod (523) is rotated to the second locking position, the lifting surface (5232) separates from a part of the connecting rod assembly (524), a part of the connecting rod assembly (524) can fall back into the first escape recess (5231), the upper locking rod releases the lift-off of the second limit button and the upper locking rod maintains the lift-off of the first limit button, so that the second limit button (522) can be reset and falls back into the first mounting hole (5111) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5); [8] The abdominal training wheel according to claim 6, characterized bythat the second locking means (52) further comprises a first rotary knob (525), the first knob (525) being connected to the upper locking bar (523) such that rotation of the first rotary knob (525) can drive rotation of the upper locking bar (523). [9] The abdominal training wheel according to claim 7, characterized bythat the connecting rod assembly (524) comprises a first connecting rod (5241) and a second connecting rod (5242), and that the first escape recess (5231) comprises a first recess unit (52311) and a second recess unit (52312), wherein the first escape recess and the second escape recess are arranged on both sides of the lifting surface, wherein the first connecting rod (5241) is connected to the first limit button (521), wherein the first connecting rod (5241) abuts the upper locking rod (523), wherein the second connecting rod (5242) is connected to the second limit button (522), wherein the second connecting rod (5242) abuts the upper locking rod (523);wherein, when the upper locking rod (523) is rotated to the second unlocking position, the lifting surface (5232) of the upper locking rod (523) abuts the first connecting rod (5241) and the second connecting rod (5242), the lifting surface (5232) of the upper locking rod (523) abuts the first connecting rod (5241), the second connecting rod (5242), the first limit button (521) and the second limit button (522) to disengage the first limit button (521) and the second limit button (522) from the first mounting hole (5111) so that it is rotatable between the first mounting member (511) and the first mounting housing (5);and while, when the upper locking rod (523) is rotated to the second locking position, the lifting surface (5232) separates from the first connecting rod (5241), the lifting surface maintains the elevation of the second connecting rod, the first connecting rod (5241) can fall back into the first recess unit (52311), so that the first limit button (521) can be elastically reset and fall back into the first mounting hole (5111) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5);or wherein, when the upper locking rod (523) is rotated to a locking position, the lifting surface (5232) separates from the second connecting rod, the lifting surface maintains the elevation of the first connecting rod, the second connecting rod can fall back into the second recess unit so that the second limit button can be reset and falls back into the first mounting hole (5111) so that it is not rotatable between the first mounting member (511) and the first mounting housing (5); [10] The abdominal training wheel according to claim 4, characterized bythat the first limit button (521) and the second limit button (522) both comprise a limit pin (5221) and a first spring (5222), and that the main body portion (1) comprises both a first limit plate (5223) and a second limit plate (5224), wherein the first limit plate (5223) and the second limit plate (5224) are provided with limit holes (52241), wherein the limit pin (5221) is arranged in the limit hole (52241), and wherein the limit pin (5221) is slidable into the limit hole (52241), wherein the first spring (5222) is placed in the limit pin (5221), wherein one end of the first spring (5222) abuts the inner wall of the first limit plate (5223), and while the other end of the first spring (5222) abuts the second limiting plate (5224), a positioning cam (52211) extending from the side wall of the limiting pin (5221),wherein the positioning cam (52211) is arranged in the first spring (5222) so that the first spring (5222) can push the limit pin (5221) for movement into the first mounting hole (5111).,

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