Multifunctional body builder

Abstract

A multifunctional body builder comprises a sit-up mechanism and a mounting seat, the sit-up mechanism comprises a cushion, a backrest part and an elastic part, the cushion is arranged on the mounting seat, the backrest part can be rotatably arranged on the mounting seat between a sitting-up state and a supine state, and the elastic part is used for driving the backrest part to rotate to the sitting-up state. The device is characterized in that the device further comprises a sliding mechanism, the sliding mechanism comprises two sliding rail frames and two pedal parts, the two sliding rail frames are symmetrically arranged on the left side and the right side of the installation base, and the two pedal parts are arranged on the two sliding rail frames in a sliding mode respectively; in this way, the body builder can be switched between the sit-up assisting device and the skiing device for opening and closing the two legs, so that the body building requirements of different body building people are met.

Description

Technical Field

[0001] The utility model relates to the field of fitness equipment, in particular to a multifunctional fitness equipment. Background Art

[0002] Chinese patent document publication number CN104274948A discloses a foldable sit-up fitness machine, including a front frame, a rear frame, a backrest frame, and a seat cushion, characterized in that: one end of a crossbar is glued to the upper part of the front frame and fixed by a first plug pin, the other end of the crossbar is glued to the upper end of the rear frame and fixed by a second plug pin, and the seat cushion is fixed on the top of the crossbar; the lower part of the backrest frame is hinged to the middle and upper part of the rear frame, and the lower end of the backrest frame is connected to the lower part of the rear frame by at least one spring, and at least one of the connection structure between the spring and the lower end of the backrest frame and the connection structure between the spring and the lower part of the rear frame is a detachable structure.

[0003] The above fitness equipment can only be used to perform a single sit-up exercise while sitting on the cushion, and cannot exercise other parts of the body. There is a large room for improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a multifunctional fitness equipment.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A multifunctional fitness device includes a sit-up mechanism and a mounting seat, wherein the sit-up mechanism includes a seat cushion, a backrest portion and an elastic member, wherein the seat cushion is arranged on the mounting seat, and the backrest portion can be rotatably arranged on the mounting seat between a sit-up state and a supine state, and the elastic member is used to drive the backrest portion to rotate to the sit-up state. The device is characterized in that it also includes a sliding mechanism, wherein the sliding mechanism includes two slide rail frames and two foot pedals, wherein the two slide rail frames are symmetrically arranged on the left and right sides of the mounting seat, and the two foot pedals are slidably arranged on the two slide rail frames respectively.

[0007] By adopting the above solution, the sliding mechanisms are symmetrically arranged on the left and right sides of the mounting seat, so that the user can perform skiing exercises with the legs opening and closing, or can sit on the seat cushion, lean back on the backrest, and drive the backrest to rotate to a sit-up position through the elastic member to perform assisted sit-up exercises, so that the fitness device has multiple fitness functions, which makes it convenient for users to choose exercises according to different needs.

[0008] The slide rail frame comprises slide rails extending left and right, and the footrest part is slidably arranged on the slide rails.

[0009] By adopting the above solution, the slide rails extending left and right are more in line with the movement trajectory of the opening and closing movements of the legs during exercise, which is more convenient for users to exercise. The footrest can be slidably arranged on the slide rails, which can make the user's exercise smoother.

[0010] The mounting seat includes two cross beams, two longitudinal beams and a main beam. The two cross beams are distributed in parallel and extend in the transverse direction. The two longitudinal beams are arranged in parallel and extend in the longitudinal direction. The main beam is arranged between the two cross beams and between the two longitudinal beams and extends in the longitudinal direction. The seat cushion is fixed on the top of the main beam. The backrest includes a support rod. The lower end of the support rod can be rotatably set on the main beam through a pivot shaft. The two slide rail frames are correspondingly connected to the two longitudinal beams.

[0011] By adopting the above solution, the two horizontal beams and the two longitudinal beams are connected together, which can increase the structural strength of the mounting seat, and a main beam is set between the two horizontal beams and between the two longitudinal beams, and the seat cushion is fixed on the top of the main beam, and the lower end of the support rod is rotatably set on the main beam through a pivot shaft, so that the user can do sit-ups. The two slide rail frames are connected to the two longitudinal beams respectively, which can facilitate the user to do skiing movements with legs opening and closing.

[0012] The support rod includes an adapter and a main body, the adapter can be rotatably set on the main beam through a pivot shaft, the adapter includes two spring mounting arms extending downward from both sides of the main beam, the elastic member includes two tension springs connected between the spring mounting arms and the mounting seat, the spring mounting arms are located below the pivot shaft, the adapter and the main body are detachably connected through a connecting mechanism, the adapter includes two parallel opposite side plates, the lower end of the main body is set between the two side plates, the connecting mechanism includes a first bolt and a nut, and a first pin, the first bolt passes through the two side plates and the main body at the same time and is locked by the nut, and the first pin passes through the two side plates and the main body.

[0013] By adopting the above solution, downwardly extending spring mounting arms are formed on both sides of the adapter, so that the spring can be installed between the spring mounting arms and the mounting seat, which facilitates the installation of the spring. The first bolt passes through the two side plates and the main body at the same time and is then locked with a nut. The first latch passes through the two side plates and the main body, so that the main body can be easily disassembled and assembled between the two side plates.

[0014] The elastic member is installed between the spring mounting arm and the main beam through an installation mechanism. The installation mechanism includes a connecting shaft, a second bolt, a nut seat, and a spring guard plate. The connecting shaft crosses the two spring mounting arms and extends from the side of the spring mounting arm. The nut seat is fixedly set at the bottom of the main beam. The second bolt is set on the nut seat. One end of the tension spring is connected to the screw rod of the bolt and the other end is connected to the connecting shaft on the outside of the spring mounting arm. The two ends of the pivot shaft extend from the side of the adapter. The spring guard plate is connected between the end of the pivot shaft and the end of the connecting shaft and is located on the outside of the tension spring.

[0015] By adopting the above scheme, the connecting shaft crosses the two spring mounting arms and extends from the side of the spring mounting arms, the nut seat is fixedly set at the bottom of the main beam, the second bolt is set on the nut seat, one end of the tension spring is connected to the screw rod of the bolt and the other end is connected to the connecting shaft on the outside of the spring mounting arm, the two ends of the pivot shaft extend from the side of the adapter, and the spring guard plate is connected between the end of the pivot shaft and the end of the connecting shaft, which can facilitate the fixation of the tension spring and prevent the tension spring from detaching during use.

[0016] An armrest is provided at the upper end of the backrest portion. When the user steps on the two footrests with both feet to perform sliding exercise, the armrest can be grasped by the user.

[0017] By adopting the above solution, an armrest is provided at the upper end of the backrest portion. When the user steps on the two footrests for sliding exercise, the armrest can be grasped by the user, which makes the user more stable and safe during use.

[0018] The slide rail comprises two tracks, the two tracks are arranged in parallel and spaced apart, and the pedal part is slidably arranged on the top of the two tracks.

[0019] By adopting the above solution and using two-track slide rails, the pedal part can slide on the rails more stably when in use.

[0020] The bottom of the pedal part is provided with a roller which is in rolling cooperation with the track, and the outer peripheral surface of the roller is formed with an annular wheel groove which is adapted to the track.

[0021] By adopting the above solution, a roller that rolls with the track is provided at the bottom of the pedal part, and an annular wheel groove that is adapted to the track is formed on the outer peripheral surface of the roller. When the pedal part is in use, the annular wheel groove of the roller can be matched with the track to prevent the pedal part from being offset during use.

[0022] The slide rail frame further includes a support portion, one end of the slide rail is connected to the mounting seat and the other end is connected to the support portion.

[0023] By adopting the above solution, a support portion is connected to the other end of the slide rail, which can be supported on the ground during use to increase the stability of the slide rail frame.

[0024] One end of the slide rail can be rotatably connected to the mounting seat between a folded state and a use state. When the slide rail is in the use state, the support portion is supported on the ground so that the slide rail is suspended. When the slide rail is in the folded state, the slide rail frame stands upward.

[0025] By adopting the above solution, one end of the slide rail can be rotatably connected to the mounting seat between the folded state and the use state, which can facilitate the use of the user. In the folded state, the slide rail frame stands upward to reduce the space occupied by the slide rail frame and facilitate storage.

[0026] A U-shaped armrest is provided on the main beam, and the U-shaped armrest has a grip rod extending to both sides of the seat cushion. The middle part of the U-shaped armrest can be rotatably set on the main beam so as to switch between a use state and a folded state. A rotating sleeve is provided on the main beam, and pin holes are respectively formed at both ends of the rotating sleeve and the middle of the U-shaped armrest, so that the U-shaped armrest and the rotating sleeve can be fixed by a second pin. When the U-shaped armrest is in the folded state, the U-shaped armrest stands up.

[0027] By adopting the above solution, when doing sit-ups, users can hold the grips on both sides of the seat cushion and use them as a force, which can facilitate sit-ups. Pin holes are respectively formed at both ends of the rotating sleeve and in the middle of the U-shaped armrest, and the U-shaped armrest and the rotating sleeve can be fixed by a second pin, and the middle part of the U-shaped armrest can be switched between a use state and a folded state by the second pin. In the folded state, the U-shaped armrest stands up, which can avoid the slide rail and prevent the slide rail from touching the U-shaped armrest when in use or folded. The folded U-shaped armrest can also reduce the occupied space and facilitate product storage and packaging.

[0028] When the slide rail is in the folded state, the slide rail frame is in the erected state.

[0029] By adopting the above solution, when in the folded state, the slide rail frame is in an upright state, which can reduce the space occupied by the slide rail frame and facilitate the storage and packaging of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional diagram of the utility model.

[0031] Figure 2 This is a three-dimensional diagram from another perspective of the present invention.

[0032] Figure 3 This is an exploded view of the utility model.

[0033] Figure 4 This is an exploded view of the present invention from another perspective.

[0034] Figure 5 It is the front view of the utility model.

[0035] Figure 6 for Figure 5 Cross-sectional view along the AA direction.

[0036] Figure 7 It is the left view of the utility model.

[0037] Figure 8 for Figure 7 Cross-sectional view along the BB direction.

[0038] Figure 9 This is a three-dimensional diagram of the mounting base.

[0039] Figure 10 This is a three-dimensional image of the mounting base from another perspective.

[0040] Figure 11 This is the exploded diagram of the sliding mechanism.

[0041] Figure 12 This is an exploded view of the sliding mechanism from another perspective.

[0042] Figure 13 This is a diagram of the folded state of the utility model. DETAILED DESCRIPTION

[0043] Reference Figures 1 to 13 The following is a detailed description of the technical solution of the present invention through specific embodiments and in conjunction with the accompanying drawings:

[0044] A multifunctional fitness device comprises a mounting seat 1, a sit-up mechanism 2 and a sliding mechanism 3.

[0045] The mounting base 1 includes two transverse beams 11, two longitudinal beams 12 and a main beam 13. The two transverse beams 11 are distributed in parallel and extend in the transverse direction. The two longitudinal beams 12 are arranged in parallel and extend in the longitudinal direction between the upper ends of the two transverse beams 11. The main beam 13 is arranged between the upper ends of the two transverse beams 11 and between the two longitudinal beams 12 and extends in the longitudinal direction.

[0046] The sit-up mechanism 2 includes a seat cushion 21, a U-shaped armrest 22, a backrest 23, and an elastic member 24. The seat cushion 21 is a circular seat cushion. The lower end of the seat cushion 21 is formed with a mounting groove 212 adapted to the bearing 211, so that the bearing 211 can be installed on the seat cushion 21. The seat cushion 21 is rotatably connected to the main beam 13 through the bearing 211. The main beam 13 and the seat cushion 21 are both formed with mounting holes 133 for fasteners 213 to pass through, so that the seat cushion 21 can be fixed to the main beam 13 through the fasteners 213. The upper end surface of the seat cushion 21 is provided with a contact surface 214 of flexible material, which can increase the comfort of the user sitting on the seat cushion 21 when exercising. The U-shaped armrest 22 is set on the main beam 13 through the rotating sleeve 131. The rotating sleeve 131 can be welded to the main beam 13, and pin holes 221 are formed at both ends of the rotating sleeve 131 and the middle part of the U-shaped armrest 22, so that the U-shaped armrest 22 and the rotating sleeve 131 can be fixed by a second pin 222, and the middle part of the U-shaped armrest 22 can be switched between the use state and the folded state through the second pin 222. When the U-shaped armrest 22 is in the folded state, the U-shaped armrest 22 stands up, which can avoid the sliding mechanism 3 from being used and contacting the U-shaped armrest 22 when the sliding mechanism 3 is folded. This is a prior art and will not be described in detail here. The U-shaped armrest 22 has a grip rod 223 extending to both sides of the seat cushion 21, and a sponge cover 224 is provided on the grip rod 223 to increase the comfort of the user when using it. The backrest 23 The adapter 231 includes a first through-hole 2311 and a second through-hole 2312, the first through-hole 2311 is inserted with a pivot shaft 2313 for fixing, the second through-hole 2312 is inserted with a connecting shaft 2314 for fixing, the adapter 231 includes two spring mounting arms 2315 extending downward from both sides of the main beam 13, the elastic member 24 includes two tension springs connected between the spring mounting arms 2315 and the mounting seat 1, the spring mounting arms 2315 are located below the pivot shaft 2313, the adapter 231 and the main body 233 are detachably connected through a connecting mechanism, the adapter 231 includes two parallel opposite side plates, the lower end of the main body 233 is arranged between the two side plates, the connecting mechanism includes a first Bolt 2331 and nut, first latch 2332, the first bolt 2331 passes through both side plates and main body 233 at the same time and is locked by nut, the first latch 2332 passes through both side plates and main body 233, and a shaft sleeve 132 is welded on the main beam 13. During assembly, the pivot shaft 2313 can pass through the first through-hole 2311 and the shaft sleeve 132 at the same time so that the adapter 231 can be fixed to the main beam 13. The main body 233 is rotatably and detachably arranged at the upper end of the adapter 231 through the first bolt 2331 and the first latch 2332 set at one end. Three cross bars 2333 are also welded and fixed to the main body 233. Back pillows 2334 made of sponge are formed at both ends of the cross bars 2333. The main body 233 is a tubular structure.The armrest is composed of a horizontal rod and a vertical rod to form a T-shaped armrest 234. The lower end of the T-shaped armrest 234 can be inserted into the upper end of the main body 233. The upper end of the T-shaped armrest 234 and the main body 233 are both formed with a third through-hole 2342 through which a bolt 2341 can pass. After the T-shaped armrest 234 is inserted into the upper end of the main body 233, it can be fixed by the third bolt 2341. The T-shaped armrest 234 can also be used as a backrest under necessary conditions, or the T-shaped armrest 234 can be removed when doing sit-ups. The elastic member 24 is installed between the spring mounting arm 2315 and the main beam 13 through the mounting mechanism. The mounting mechanism includes a connecting shaft 2314, a second bolt 24 1. Nut seat 242 and spring guard 232. The connecting shaft 2314 crosses the two spring mounting arms 2315 and extends from the sides of the spring mounting arms 2315. The nut seat 242 is welded and fixed to the bottom of the main beam 13. The second bolt 241 is set on the nut seat 242. One end of the tension spring is connected to the screw of the second bolt 241, and the other end is connected to the connecting shaft 2314 on the outside of the spring mounting arms 2315. The two ends of the pivot shaft 2313 extend from the side of the adapter 231. The spring guard 232 is connected between the ends of the pivot shaft 2313 and the ends of the connecting shaft 2314 and is located on the outside of the tension spring. The elastic member 24 is used to drive the backrest 23 to rotate to the sitting position.

[0047] The sliding mechanism 3 includes two slide rail frames 31 and two footrests 32. The two slide rail frames 31 are symmetrically arranged on the left and right sides of the mounting seat 1. The two footrests 32 are slidably arranged on the two slide rail frames 31. The slide rail frame 31 includes slide rails 311 and support portions 312 extending left and right. The slide rail 311 is composed of two parallel and spaced rails, and the rails are a downwardly concave arc structure. A transition portion 121 is formed on the side of the longitudinal beam 12. One end of the slide rail 311 is rotatably connected to the transition portion 121 of the longitudinal beam 12 between a folded state and a use state through a rotating shaft 122. The other end of the slide rail 311 is connected to the support portion 312. When the treadmill 310 is in operation, the support portion 312 is supported on the ground so that the treadmill 310 is suspended in the air. When the treadmill 310 is in a folded state, the treadmill frame 310 is in an upright state. A roller 33 that rolls with the track of the treadmill 310 is provided at the bottom of the pedal portion 32. An annular wheel groove 331 that matches the track of the treadmill 310 is formed on the outer peripheral surface of the roller 33. A limiting member 34 is also provided at the bottom of the pedal portion 32 so that the track of the treadmill 310 is located between the roller 33 and the limiting member 34. A blocking portion 321 is formed at one end of the upper end face of the pedal portion 32 in the vertical direction and extends upward along the outer edge of the pedal portion 32 to form an upward blocking portion 321.

[0048] When in use, the user can sit on the seat cushion 21, lean his back against the main part 233 of the backrest part 23, and lean back to a certain angle. Then, with the elastic support of the elastic part 24, the main part 233 rotates from back to front and provides a certain amount of assistance to the user to complete sit-up training. After training for a period of time or when the core strength is insufficient, the U-shaped armrest 22 next to the seat cushion 21 can be used for leverage. The user can also stand with both feet on the footrest 32 to perform skiing movements with the legs open and closed. During training, the hands can be held on the T-shaped armrest 234 to increase stability during exercise. When storing, the two slide rail frames 31 and the U-shaped armrest 22 can be folded upwards and the T-shaped armrest 234 can be removed to reduce the area occupied by the fitness equipment.

[0049] The above description is merely a preferred embodiment of the present invention and therefore cannot be used to limit the scope of implementation of the present invention. In other words, equivalent changes and modifications made according to the scope of the patent application and the contents of the specification of the present invention should still fall within the scope of the present patent.

Claims

1. A multifunctional fitness device comprising a sit-up mechanism and a mounting seat, wherein the sit-up mechanism comprises a seat cushion, a backrest, and an elastic member, wherein the seat cushion is mounted on the mounting seat, the backrest can be rotated on the mounting seat between a sit-up position and a supine position, and the elastic member is used to drive the backrest to rotate to the sit-up position, characterized in that: It also includes a sliding mechanism, which includes two slide rail frames and two foot pedals. The two slide rail frames are symmetrically arranged on the left and right sides of the mounting seat, and the two foot pedals are slidably arranged on the two slide rail frames.

2. The multifunctional fitness device according to claim 1, characterized in that: The slide rail frame comprises slide rails extending left and right, and the footrest portion is slidably arranged on the slide rails.

3. The multifunctional fitness device according to claim 2, characterized in that: The mounting seat includes two cross beams, two longitudinal beams and a main beam. The two cross beams are distributed in parallel and extend in the transverse direction. The two longitudinal beams are arranged in parallel and extend in the longitudinal direction. The main beam is arranged between the two cross beams and between the two longitudinal beams and extends in the longitudinal direction. The seat cushion is fixed on the top of the main beam. The backrest includes a support rod. The lower end of the support rod can be rotatably set on the main beam through a pivot shaft. The two slide rail frames are correspondingly connected to the two longitudinal beams.

4. The multifunctional fitness device according to claim 3, characterized in that: The support rod includes an adapter and a main body, the adapter can be rotatably set on the main beam through a pivot shaft, the adapter includes two spring mounting arms extending downward from both sides of the main beam, the elastic member includes two tension springs connected between the spring mounting arms and the mounting seat, the spring mounting arms are located below the pivot shaft, the adapter and the main body are detachably connected through a connecting mechanism, the adapter includes two parallel opposite side plates, the lower end of the main body is set between the two side plates, the connecting mechanism includes a first bolt and a nut, and a first pin, the first bolt passes through the two side plates and the main body at the same time and is locked by the nut, and the first pin passes through the two side plates and the main body.

5. The multifunctional fitness device according to claim 4, characterized in that: The elastic member is installed between the spring mounting arm and the main beam through an installation mechanism. The installation mechanism includes a connecting shaft, a second bolt, a nut seat, and a spring guard plate. The connecting shaft crosses the two spring mounting arms and extends from the side of the spring mounting arm. The nut seat is fixedly set at the bottom of the main beam. The second bolt is set on the nut seat. One end of the tension spring is connected to the screw rod of the second bolt, and the other end is connected to the connecting shaft on the outside of the spring mounting arm. The two ends of the pivot shaft extend from the side of the adapter. The spring guard plate is connected between the end of the pivot shaft and the end of the connecting shaft and is located on the outside of the tension spring.

6. The multifunctional fitness device according to any one of claims 1 to 5, characterized in that: An armrest is provided at the upper end of the backrest portion. When the user steps on the two footrests with both feet to perform sliding exercise, the armrest can be grasped by the user.

7. The multifunctional fitness device according to any one of claims 2 to 5, characterized in that: The slide rail comprises two tracks, the two tracks are arranged in parallel and spaced apart, and the pedal part is slidably arranged on the top of the two tracks.

8. The multifunctional fitness device according to claim 7, characterized in that: The bottom of the pedal part is provided with a roller which is in rolling cooperation with the track, and the outer peripheral surface of the roller is formed with an annular wheel groove which is adapted to the track.

9. The multifunctional fitness device according to any one of claims 3 to 5, characterized in that: The slide rail frame further includes a support portion, one end of the slide rail is connected to the mounting seat and the other end is connected to the support portion.

10. The multifunctional fitness device according to claim 9, characterized in that: One end of the slide rail can be rotatably connected to the mounting seat between a folded state and a use state. When the slide rail is in the use state, the support portion is supported on the ground so that the slide rail is suspended. When the slide rail is in the folded state, the slide rail frame stands upward.

11. The multifunctional fitness device according to claim 10, characterized in that: A U-shaped armrest is provided on the main beam, and the U-shaped armrest has a grip rod extending to both sides of the seat cushion. The middle part of the U-shaped armrest can be rotatably set on the main beam so as to switch between a use state and a folded state. A rotating sleeve is provided on the main beam, and pin holes are respectively formed at both ends of the rotating sleeve and the middle of the U-shaped armrest, so that the U-shaped armrest and the rotating sleeve can be fixed by a second pin. When the U-shaped armrest is in the folded state, the U-shaped armrest stands up.

12. The multifunctional fitness device according to any one of claims 2 to 5, characterized in that: When the slide rail is in the folded state, the slide rail frame is in the erected state.

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