Reverse leg lifting trainer

Abstract

The invention discloses a reverse leg lifting trainer, and belongs to the technical field of training equipment production, the reverse leg lifting trainer comprises a main body module and a manual brake module, the main body module comprises a training frame, the training frame is connected with a counterweight device, the outer surface of the counterweight device is fixedly connected with a mounting box, the inner part of the mounting box is movably connected with a swing arm assembly, and the swing arm assembly is fixedly connected with the main body module. The manual braking module comprises a hollow pipe rotationally connected to the training frame, a stress pad is fixedly connected to the outer surface of the hollow pipe, and through the arrangement of a handheld assembly, a hand brake assembly, a ratchet wheel, a braking assembly and a connecting rope, when a user finds that the user is uncomfortable in the leg lifting exercise process, the user can immediately pull two braking handles with index fingers of the two hands, and the user can conveniently take out the leg lifting exercise. Therefore, the state of the rotary column and the swing arm assembly is locked, the swing arm assembly stops swinging downwards, damage to a user caused by swinging downwards of the swing arm assembly is avoided, and the safety of the trainer is remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of training equipment, more particularly to a reverse leg lifting training device. BACKGROUND

[0002] The reverse leg lifting training device is a kind of fitness equipment, mainly used for exercising leg and hip muscles. At present, there are different types of reverse leg lifting training devices. The common type is the prone leg lifting machine. When using, the trainer adopts a prone position, suspends the lower body, and the force point is on the feet. Through the power of the legs and hips, the legs are lifted upwards, mainly exercising the posterior muscle chain, including the lower back, hips and hamstrings, which can exercise muscles, strengthen leg strength and improve body coordination.

[0003] For the above-mentioned related technology, the leg lifting training device in the prior art can exercise the legs during use, but due to its relatively simple structure, the safety is not high. When the user does the leg lifting training, the legs are lifted and the body is in a one hundred and eighty degree state after the lifting action is completed. At this time, if the legs cramp and lose power, the arm will still push the user's legs to quickly swing back to the original position. In this case, it is extremely easy to cause the risk of lumbar disc herniation, muscle strain and even bone injury, thereby affecting the use of the training device. Therefore, a reverse leg lifting training device is proposed. SUMMARY

[0004] In order to solve the above problems, the present application provides a reverse leg lifting training device, which adopts the following technical scheme:

[0005] A reverse leg lifting training device, comprising a main body module and a manual brake module, the main body module comprises a training frame, the training frame is connected with a counterweight, the outer surface of the counterweight is fixedly connected with a mounting box, the inside of the mounting box is movably connected with an arm swing assembly, the manual brake module comprises a hollow pipe rotatably connected to the training frame, the outer surface of the hollow pipe is fixedly connected with a force receiving pad, the bottom of the force receiving pad is connected with a hand holding assembly, two hand brake assemblies are arranged on the hand holding assembly, an alarm is arranged on one side of the hand holding assembly, a rotating column is rotatably connected in the inside of the mounting box, the arm swing assembly is connected to the outer surface of the rotating column, a ratchet wheel is fixedly connected to one end of the rotating column, a brake assembly adapted to the ratchet wheel is arranged in the inside of the mounting box, a connecting rope is connected to the brake assembly, the connecting rope sequentially penetrates the mounting box, the counterweight, the hollow pipe and the force receiving pad and is connected with the hand holding assembly, and the arm swing assembly is connected with the counterweight.

[0006] Further, the brake assembly comprises a hollow mounting disc fixedly connected inside the mounting box, the hollow mounting disc is located outside the ratchet wheel, a plurality of brake grooves are formed in the inside of the hollow mounting disc, a plurality of brake teeth are movably connected inside the plurality of brake grooves, a mounting spring is fixedly connected between one end of the plurality of brake teeth and the inner wall of the plurality of brake grooves, the other end of the plurality of brake teeth is matched with the outer surface of the ratchet wheel, a connecting arm is hinged to the outer surface of the plurality of brake teeth, and one side of the hollow mounting disc is fixedly connected with a movable cylinder.

[0007] Further, the brake assembly further comprises two second limiting rollers, two first limiting rollers are rotatably connected to the top of the inner wall of the mounting box, one of the second limiting rollers is rotatably connected inside the hollow pipe, and the other second limiting roller is rotatably connected to the bottom of the stress pad.

[0008] Further, the handheld assembly comprises a hollow box fixedly connected to the bottom of the stress pad, a movable plate is movably connected inside the hollow box, a plurality of first locking holes are formed in the two sides of the movable plate, third fixing bolts are threadedly connected to the two sides of the hollow box, one end of each of the two third fixing bolts extends into one of the two first locking holes, the alarm is fixedly connected to one side of the hollow box, two square sleeves are arranged inside the movable plate, the two square sleeves penetrate through the movable plate, the two square sleeves are fixedly connected to the top of the rack, the two square sleeves and the two rack are slidably connected to the inside of the movable plate, two movable rods are slidably connected inside the two square sleeves, a plurality of second locking holes are formed in the two movable rods, fourth fixing bolts are threadedly connected to the bottom of the two square sleeves, the two fourth fixing bolts extend into the two second locking holes, respectively, one end of the two movable rods extends to the outside of the hollow box, a connecting plate is fixedly connected between the two ends of the two movable rods, and two handles are fixedly connected to the top of the movable plate.

[0009] Further, the handheld assembly further comprises a fixing rod fixedly connected to the rear end face of the hollow box, a sleeving pipe is movably arranged on the outer surface of the fixing rod, one end of the sleeving pipe is fixedly connected to the connecting plate, and a press switch is arranged at one end of the fixing rod and electrically connected with the alarm.

[0010] Further, the connecting rope is fixedly connected between the connecting plate and the movable block, and the outer surface of the connecting rope is in contact with the outer surfaces of the two first limiting rollers and the two second limiting rollers.

[0011] Further, the hand brake assembly comprises a control box fixedly connected to the top of the movable plate, a rotating rod rotatably connected in the control box, a through slot formed in the top of the movable plate, a boost gear fixedly connected to the outer surface of the rotating rod, the outer surface of the boost gear being engaged with the top of one of the racks through the through slot, and a torsion spring connected between the outer surface of the rotating rod and the inner wall of the control box.

[0012] Further, the hand brake assembly further comprises a brake handle fixedly connected to the outer surface of the rotating rod, the brake handle extending to the outside of the control box, a magnetic block fixedly connected to the top of the control box, and the magnetic block being matched with the brake handle.

[0013] Further, the swing arm assembly comprises a swing arm fixedly connected to the outer surface of the rotating column, a adjusting plate movably connected to the outer surface of the swing arm, a force roller installed on the adjusting plate, a first fixing bolt threadedly connected to the adjusting plate, a first adjusting disc fixedly connected to the outer surface of the swing arm, a plurality of first fixing holes formed in the first adjusting disc, and one end of the first fixing bolt movably connected to the inside of one of the first fixing holes.

[0014] Further, the main body module further comprises two second adjusting discs installed on the outer surface of the hollow pipe, a plurality of second fixing holes formed in each of the second adjusting discs, two fixing plates fixedly connected to the training frame, two second fixing bolts threadedly connected to each of the fixing plates, and one end of each of the second fixing bolts extending to the inside of two of the second fixing holes.

[0015] To sum up, the present application has the following beneficial technical effects:

[0016] (1) By means of the hand-held assembly, the hand brake assembly, the ratchet wheel, the brake assembly and the connecting rope, when the user finds discomfort during the leg lifting exercise, the user can immediately pull the two brake handles with the index fingers of both hands, so as to lock the state of the rotating column and the swing arm assembly, and stop the swing arm assembly from swinging downward, thereby avoiding the damage to the user caused by the swing arm assembly swinging downward, and significantly improving the safety of the training device.

[0017] (2) By means of the alarm, the pressing switch, the fixed rod and the sleeving pipe, when the connecting plate moves, the sleeving pipe moves on the outer surface of the fixed rod, at this time, the pressing switch is pressed by the connecting plate to turn on the alarm, the alarm sends an alarm, which can timely prompt the surrounding staff, so that they can quickly help the user, and further ensure the safety of the user during the training.

[0018] (3) The present application is through the setting of the second adjusting disc, the second fixed bolt, the first adjusting disc, the first fixed bolt, the fourth fixed bolt and the movable rod, on the one hand, the position of the stress roller can be adjusted by turning the first fixed bolt out of or into the first fixed hole to adapt to the leg exercise needs of different users, on the other hand, the angle of the stress pad can be finely adjusted by turning the second fixed bolt out of or into the second fixed hole, adapting to the pelvic angle of the user, improving the force line and comfort, in addition, the position of the handle can be adjusted by turning the fourth fixed bolt and the third fixed bolt, which is convenient for people of different heights to use, greatly improving the applicability and use comfort of the training device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the bottom structure of the present application;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the hollow tube in the present application;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the handheld assembly of the present application;

[0023] Figure 5 It is a schematic diagram of the position of the push switch of the present application;

[0024] Figure 6 It is a schematic diagram of the structure of the brake assembly of the present application;

[0025] Figure 7 It is a schematic diagram of the cross-sectional structure of the brake assembly of the present application;

[0026] Figure 8 It is an exploded structure schematic diagram of the handbrake assembly of the present application;

[0027] Figure 9 It is a schematic diagram of the structure of the present application Figure 1 enlarged structure at A;

[0028] Figure 10 It is a schematic diagram of the structure of the present application Figure 1 enlarged structure at B;

[0029] Figure 11 It is a schematic diagram of the structure of the present application Figure 2 enlarged structure at C;

[0030] Figure 12 It is a schematic diagram of the structure of the present application Figure 4 enlarged structure at D;

[0031] Figure 13 It is a schematic diagram of the structure of the present application Figure 5 enlarged structure at E.

[0032] Explanation of reference numerals in the drawings:

[0033] 100, main body module; 110, training stand; 120, weight device; 130, swing arm assembly; 131, swing arm; 132, adjustment plate; 133, first fixing bolt; 134, force receiving roller; 135, first adjustment disc; 140, mounting box; 150, fixing plate; 160, second adjustment disc; 170, second fixing bolt;

[0034] 200, manual brake module; 210, hollow pipe; 220, force receiving pad; 230, handheld assembly; 231, hollow box; 232, movable plate; 233, third fixing bolt; 234, square sleeve; 235, rack; 236, fourth fixing bolt; 237, movable rod; 238, fixed rod; 239, sleeved pipe; 2310, press switch; 240, hand brake assembly; 241, control box; 242, rotating rod; 243, brake handle; 244, torsion spring; 245, boost gear; 246, magnetic block; 250, alarm; 260, rotating column; 270, ratchet wheel; 280, brake assembly; 281, hollow mounting disc; 282, brake teeth; 283, mounting spring; 284, connecting arm; 285, movable cylinder; 286, movable block; 287, first limiting roller; 288, second limiting roller; 290, connecting rope. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should be noted that unless otherwise expressly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] The above and other aspects of the present application will become more apparent by describing in detail the embodiments thereof with reference to the attached drawings in which: Figures 1-13 The present application will be further described in detail.

[0039] Please refer to Figures 1-13 A reverse leg lifting trainer includes a main body module 100 and a manual brake module 200, the main body module 100 includes a training frame 110, a weight device 120 is connected to the training frame 110, an installation box 140 is fixedly connected to the outer surface of the weight device 120, a swing arm assembly 130 is movably connected in the installation box 140, the manual brake module 200 includes a hollow pipe 210 rotatably connected to the training frame 110, a stress pad 220 is fixedly connected to the outer surface of the hollow pipe 210, a handheld assembly 230 is connected to the bottom of the stress pad 220, two hand brake assemblies 240 are arranged on the handheld assembly 230, an alarm 250 is arranged on one side of the handheld assembly 230, a rotating column 260 is rotatably connected in the installation box 140, the swing arm assembly 130 is connected to the outer surface of the rotating column 260, a ratchet wheel 270 is fixedly connected to one end of the rotating column 260, a brake assembly 280 adapted to the ratchet wheel 270 is arranged in the installation box 140, the brake assembly 280 is connected with a connecting rope 290, the connecting rope 290 penetrates the installation box 140, the weight device 120, the hollow pipe 210 and the stress pad 220 in sequence and is connected with the handheld assembly 230, and the swing arm assembly 130 is connected with the weight device 120.

[0040] In use, after the user lies on the stress pad 220, the user holds the handheld assembly 230, then the leg contacts the swing arm assembly 130, and the swing arm assembly 130 is swung by the swinging action of the leg, the swing arm assembly 130 pulls the weight device 120 to achieve the exercise effect, during the leg lifting exercise, once the user finds discomfort, the user can immediately pull the two hand brake assemblies 240 with the index fingers, the two hand brake assemblies 240 will push the handheld assembly 230, the handheld assembly 230 pulls the connecting rope 290, the connecting rope 290 drives the brake assembly 280 to be connected with the ratchet wheel 270, so that the ratchet wheel 270 is locked, since the ratchet wheel 270 is connected with the rotating column 260, the state of the rotating column 260 and the swing arm assembly 130 can be locked, so as to avoid the swing arm assembly 130 from swinging downward to cause damage to the user, and the safety of the trainer is improved.

[0041] The brake assembly 280 includes a hollow mounting plate 281 fixedly connected to the interior of the mounting box 140. The hollow mounting plate 281 is located outside the ratchet 270. A plurality of brake grooves are provided inside the hollow mounting plate 281. Braking teeth 282 are movably connected to the interiors of the plurality of brake grooves. A mounting spring 283 is fixedly connected between one end of the plurality of brake teeth 282 and the inner wall of the plurality of brake grooves. The other ends of the plurality of brake teeth 282 are adapted to the outer surface of the ratchet 270. The outer surfaces of the plurality of brake teeth 282 are hinged with connecting arms 283. 4. A movable cylinder 285 is fixedly connected to one side of the hollow mounting plate 281, and a movable block 286 is movably connected inside the movable cylinder 285. One end of a plurality of connecting arms 284 is hinged to the outer surface of the movable block 286. The brake assembly 280 also includes two second limiting rollers 288. The top of the inner wall of the mounting box 140 is rotatably connected to two first limiting rollers 287, one of which is rotatably connected to the inside of the hollow tube 210, and the other second limiting roller 288 is rotatably connected to the bottom of the force pad 220.

[0042] During use, the connecting rope 290 will pull the movable block 286, and the movable block 286 will drive multiple connecting arms 284 to pull the brake teeth 282. The brake teeth 282 will be connected to the ratchet 270, thereby locking the ratchet 270. Since the ratchet 270 is connected to the rotating column 260, the state of the rotating column 260 and the swing arm assembly 130 can be locked, thereby preventing the swing arm assembly 130 from swinging down and causing damage to the user.

[0043] The handheld assembly 230 includes a hollow box 231 fixedly connected to the bottom of the force pad 220, and a movable plate 232 is movably connected to the interior of the hollow box 231. A plurality of first locking holes are provided on both sides of the movable plate 232. Third fixing bolts 233 are threadedly connected to both sides of the hollow box 231. One end of the two third fixing bolts 233 extends to the interior of two of the first locking holes. The alarm 250 is fixedly connected to one side of the hollow box 231. Two square sleeves 234 are provided inside the movable plate 232. The two square sleeves 234 both penetrate the movable plate 232, and the tops of the two square sleeves 234 are fixedly connected. On the rack 235, the two square sleeves 234 and the two racks 235 are all slidably connected to the inside of the movable plate 232, and the interior of the two square sleeves 234 is slidably connected with a movable rod 237. The interior of the two movable rods 237 is provided with multiple second locking holes, and the bottom of the two square sleeves 234 is threadedly connected with a fourth fixing bolt 236. The two fourth fixing bolts 236 extend to the interior of two of the second locking holes respectively, and one end of the two movable rods 237 extends to the outside of the hollow box 231. A connecting plate is fixedly connected between one ends of the two movable rods 237, and two handles are fixedly connected to the top of the movable plate 232.

[0044] The fourth fixing bolt 236 is rotated to disengage from one of the second locking holes, and the third fixing bolt 233 is rotated to disengage from one of the first locking holes. The movable rod 237 is held to keep the position of the movable rod 237, and the movable plate 232 is pushed to move inside the hollow box 231. At this time, the square sleeve 234 is driven to move outside the movable rod 237, so as to adjust the position of the handle. After the position of the handle is confirmed, the fourth fixing bolt 236 and the third fixing bolt 233 are rotated to enter the other first locking hole and the second locking hole respectively, so as to fix the position of the handle. The position of the handle can be adjusted, and it is convenient for people of different heights to use.

[0045] The handheld assembly 230 further comprises a fixed rod 238 fixedly connected to the rear end face of the hollow box 231. The outer surface of the fixed rod 238 movably sleeves a sleeving pipe 239. One end of the sleeving pipe 239 is fixedly connected to the adapter plate. One end of the fixed rod 238 is provided with a press switch 2310. The press switch 2310 is electrically connected with the alarm 250.

[0046] When the adapter plate moves, the sleeving pipe 239 will move on the outer surface of the fixed rod 238. At this time, the press switch 2310 is pressed by the adapter plate, so as to turn on the alarm 250. The alarm 250 alarms to realize the prompting of the surrounding staff, so as to help the user in time.

[0047] The adapter rope 290 is fixedly connected between the adapter plate and the movable block 286. The outer surface of the adapter rope 290 is in contact with the outer surfaces of the two first limiting rollers 287 and the two second limiting rollers 288. The hand brake assembly 240 comprises a control box 241 fixedly connected to the top of the movable plate 232. The control box 241 is rotatably connected with a rotating rod 242 inside. The top of the movable plate 232 is provided with a through slot. The outer surface of the rotating rod 242 is fixedly connected with a boost gear 245. The outer surface of the boost gear 245 is engaged with the top of one of the two racks 235 through the through slot. The outer surface of the rotating rod 242 is connected with a torsion spring 244 between the inner wall of the control box 241. The hand brake assembly 240 further comprises a brake handle 243 fixedly connected to the outer surface of the rotating rod 242. The brake handle 243 extends to the outside of the control box 241. The top of the control box 241 is fixedly connected with a magnetic block 246 matched with the brake handle 243.

[0048] Two hands index finger pull two brake handle 243 rotation and magnetic block 246 is connected, brake handle 243 drive rotating rod 242 rotation, rotating rod 242 rotation drive torsion spring 244 to go up, and at this time boost gear 245 push rack 235, rack 235 will drive the mobile rod 237 to move, the mobile rod 237 drive the interface plate to move, the interface plate pull the interface rope 290, so as to brake, release brake handle 243, brake handle 243 will keep connected with the magnetic block 246, so that the whole can be convenient for users to independently separate from the training equipment, at the same time, brake handle 243 is close to the handle, so as to facilitate the user to operate in time.

[0049] The swing arm assembly 130 comprises a swing arm 131 fixedly connected to the outer surface of the rotating column 260, the outer surface of the swing arm 131 movably connected with an adjusting plate 132, the adjusting plate 132 is provided with a stress roller 134, the adjusting plate 132 is screw connected with a first fixing bolt 133, the outer surface of the swing arm 131 is fixedly connected with a first adjusting disc 135, the first adjusting disc 135 is provided with a plurality of first fixing holes, one end of the first fixing bolt 133 is movably connected in one of the first fixing holes, and the swing arm 131 is connected with the counterweight device 120.

[0050] The first fixing bolt 133 is turned out of the first fixing hole, and then the adjusting plate 132 is pushed to drive the stress roller 134 to change position. After confirming the position, the first fixing bolt 133 is turned into another first fixing hole to fix the stress roller 134, so that the position of the stress roller 134 can be adjusted as needed.

[0051] The main body module 100 further comprises two second adjusting discs 160 mounted on the outer surface of the hollow tube 210, and a plurality of second fixing holes are formed in the two second adjusting discs 160. The training rack 110 is fixedly connected with two fixed plates 150, and the two fixed plates 150 are screw connected with two second fixing bolts 170. One end of the two second fixing bolts 170 respectively extends into two second fixing holes.

[0052] The second fixing bolt 170 is turned out of the second fixing hole, so as to release the locking of the stress pad 220. The angle of the stress pad 220 can be adjusted by rotating the hollow tube 210. After adjusting, the second fixing bolt 170 is turned into the second fixing hole, so as to realize the adjustment of the angle of the stress pad 220 to adapt to the user's pelvic angle and improve the force line and comfort.

[0053] The implementation principle of the embodiment of the present application is as follows: in use, the user lies on the force receiving pad 220 and holds the handle, and the legs are kept naturally drooping, then the legs contact the force receiving roller 134, the force receiving roller 134 is pushed by swinging the legs upward, the force receiving roller 134 pushes the swing arm 131 to swing, at this time, the rotating column 260 drives the ratchet wheel 270 to rotate, the swing arm 131 pulls the counterweight device 120 to realize the exercise effect, mainly exercising the gluteus maximus and the lumbar extensor muscle group, and assisting the biceps femoris, the posterior leg muscle group and the calf muscle group, in the process of leg lifting exercise, once the user finds discomfort, the two brake handles 243 are pulled by the index fingers of both hands to rotate and connect with the magnetic attraction block 246, the brake handle 243 drives the rotating rod 242 to rotate, when the rotating rod 242 rotates, the torsion spring 244 is driven to be tense, at this time, the boost gear 245 pushes the rack 235, the rack 235 drives the movable rod 237 to move, the movable rod 237 drives the connecting plate to move, the connecting plate pulls the connecting rope 290, the connecting rope 290 pulls the movable block 286, the movable block 286 drives the plurality of connecting arms 284 to pull the brake teeth 282, the brake teeth 282 will be connected with the ratchet wheel 270, so as to realize the locking of the ratchet wheel 270, since the ratchet wheel 270 is connected with the rotating column 260, the state of the rotating column 260 and the swing arm assembly 130 can be locked, so as to avoid the damage to the user caused by the downward swing of the swing arm assembly 130, and the safety of the training device is improved, when the connecting plate moves, the sleeved pipe 239 moves on the outer surface of the fixed rod 238, at this time, the switch 2310 is pressed by the connecting plate to open the alarm 250, the alarm 250 alarms to prompt the surrounding staff, and the user can be helped in time, before use, the first fixing bolt 133 can be turned out of the first fixing hole, then the adjusting plate 132 is pushed to drive the force receiving roller 134 to change the position, after the position is confirmed, the first fixing bolt 133 is turned into another first fixing hole to fix the force receiving roller 134, so that the position of the force receiving roller 134 can be adjusted as needed, then the second fixing bolt 170 can be turned out of the second fixing hole, so as to unlock the force receiving pad 220, the angle of the force receiving pad 220 can be finely adjusted by rotating the hollow pipe 210, after adjustment, the second fixing bolt 170 is rotated into the second fixing hole, so that the angle adjustment of the force receiving pad 220 can be realized to adapt to the user's pelvic angle, improve the force line and comfort, and the subsequent staff rotates the fourth fixing bolt 236 to separate from one of the second locking holes, and rotates the third fixing bolt 233 to separate from one of the first locking holes, holds the position of the movable rod 237, and then pushes the movable plate 232 to move in the hollow box 231, at this time, the square sleeve pipe 234 is driven to move outside the movable rod 237, so as to adjust the position of the handle, after the position of the handle is confirmed, the fourth fixing bolt 236 and the third fixing bolt 233 are rotated into another first locking hole and second locking hole respectively,Further, the position of the handle is fixed, so that the position of the handle can be adjusted, facilitating use by people of different heights.

[0054] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so that: any equivalent changes made in structure, shape, principle, etc. according to the present application should be covered within the protection scope of the present application.

Claims

1. A reverse leg press training device, comprising a main body module (100) and a manual brake module (200), characterized in that: The main body module (100) comprises a training frame (110), a counterweight (120) is connected to the training frame (110), an installation box (140) is fixedly connected to the outer surface of the counterweight (120), and a swing arm assembly (130) is movably connected to the interior of the installation box (140); The manual brake module (200) comprises a hollow tube (210) rotatably connected to a training frame (110), a force pad (220) fixedly connected to the outer surface of the hollow tube (210), a handheld assembly (230) connected to the bottom of the force pad (220), two handbrake assemblies (240) provided on the handheld assembly (230), an alarm (250) provided on one side of the handheld assembly (230), a rotating column (260) rotatably connected to the interior of the installation box (140), and the swing arm assembly (130) connected to the A ratchet (270) is fixedly connected to one end of the rotating column (260) on the outer surface thereof, a brake assembly (280) adapted to the ratchet (270) is provided inside the installation box (140), a connecting rope (290) is connected to the brake assembly (280), and the connecting rope (290) passes through the installation box (140), the counterweight (120), the hollow tube (210) and the force pad (220) in sequence and is connected to the handheld assembly (230), and the swing arm assembly (130) is connected to the counterweight (120).

2. A reverse leg press training device according to claim 1, characterized in that: The brake assembly (280) includes a hollow mounting disk (281) fixedly connected to the inside of the mounting box (140), the hollow mounting disk (281) is located outside the ratchet (270), a plurality of brake grooves are provided inside the hollow mounting disk (281), the interior of the plurality of brake grooves are movably connected with brake teeth (282), one end of the plurality of brake teeth (282) and the inner wall of the plurality of brake grooves are fixedly connected with a mounting spring (283), the other end of the plurality of brake teeth (282) are adapted to the outer surface of the ratchet (270), the outer surface of the plurality of brake teeth (282) are hinged with a connecting arm (284), one side of the hollow mounting disk (281) is fixedly connected with a movable cylinder (285), the interior of the movable cylinder (285) is movably connected with a movable block (286), and one end of the plurality of connecting arms (284) are hinged to the outer surface of the movable block (286).

3. A reverse leg press training device according to claim 2, characterized in that: The brake assembly (280) further includes two second limiting rollers (288), and the top of the inner wall of the installation box (140) is rotatably connected to two first limiting rollers (287), one of which is rotatably connected to the inside of the hollow tube (210), and the other of which is rotatably connected to the bottom of the force pad (220).

4. A reverse leg press training device according to claim 3, characterized in that: The handheld assembly (230) includes a hollow box (231) fixedly connected to the bottom of the force pad (220), the interior of the hollow box (231) is movably connected to a movable plate (232), both sides of the movable plate (232) are provided with a plurality of first locking holes, both sides of the hollow box (231) are threadedly connected to third fixing bolts (233), one end of two third fixing bolts (233) respectively extends to the inside of two of the first locking holes, the alarm (250) is fixedly connected to one side of the hollow box (231), the interior of the movable plate (232) is provided with two square sleeves (234), the two square sleeves (234) both penetrate the movable plate (232), and the tops of the two square sleeves (234) are fixed. The two square sleeves (234) and the two racks (235) are both slidably connected to the interior of the movable plate (232). The interiors of the two square sleeves (234) are both slidably connected to movable rods (237). A plurality of second locking holes are provided in the interiors of the two movable rods (237). The bottoms of the two square sleeves (234) are both threadedly connected to fourth fixing bolts (236). The two fourth fixing bolts (236) extend to the interiors of two of the second locking holes respectively. One end of the two movable rods (237) extends to the outside of the hollow box (231). A connecting plate is fixedly connected between one ends of the two movable rods (237). The top of the movable plate (232) is fixedly connected to two handles.

5. The reverse leg press training device according to claim 4, characterized in that: The handheld assembly (230) further comprises a fixed rod (238) fixedly connected to the rear end surface of the hollow box (231); a sleeve tube (239) is movably sleeved on the outer surface of the fixed rod (238); one end of the sleeve tube (239) is fixedly connected to the connecting plate; a press switch (2310) is provided at one end of the fixed rod (238); and the press switch (2310) is electrically connected to the alarm (250).

6. The reverse leg press training device according to claim 5, characterized in that: The connecting rope (290) is fixedly connected between the connecting plate and the movable block (286), and the outer surface of the connecting rope (290) contacts the outer surfaces of the two first limiting rollers (287) and the two second limiting rollers (288).

7. The reverse leg press training device according to claim 6, characterized in that: The handbrake assembly (240) includes a control box (241) fixedly connected to the top of the movable plate (232), the control box (241) is internally rotatably connected to a rotating rod (242), the top of the movable plate (232) is provided with a through slot, the outer surface of the rotating rod (242) is fixedly connected to a booster gear (245), the outer surface of the booster gear (245) is meshed with the top of one of the racks (235) through the through slot, and a torsion spring (244) is connected between the outer surface of the rotating rod (242) and the inner wall of the control box (241).

8. The reverse leg press training device according to claim 7, characterized in that: The handbrake assembly (240) further comprises a brake handle (243) fixedly connected to the outer surface of the rotating rod (242), wherein the brake handle (243) extends to the outside of the control box (241), and a magnetic block (246) is fixedly connected to the top of the control box (241), wherein the magnetic block (246) is adapted to the brake handle (243).

9. The reverse leg press training device according to claim 8, characterized in that: The swing arm assembly (130) includes a swing arm (131) fixedly connected to the outer surface of the rotating column (260), the outer surface of the swing arm (131) is movably connected to an adjustment plate (132), a force roller (134) is installed on the adjustment plate (132), a first fixing bolt (133) is threadedly connected to the adjustment plate (132), the outer surface of the swing arm (131) is fixedly connected to a first adjustment disk (135), a plurality of first fixing holes are opened on the first adjustment disk (135), one end of the first fixing bolt (133) is movably connected to the inside of one of the first fixing holes, and the swing arm (131) is connected to the counterweight (120).

10. The reverse leg press training device according to claim 9, characterized in that: The main body module (100) further comprises two second adjustment disks (160) both mounted on the outer surface of the hollow tube (210), a plurality of second fixing holes being provided on the two second adjustment disks (160), two fixing plates (150) being fixedly connected to the training frame (110), two second fixing bolts (170) being threadedly connected to the two fixing plates (150), one end of the two second fixing bolts (170) respectively extending into the interior of two of the second fixing holes.

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