CN114225336B - Pull-up training device for physical training - Google Patents

Abstract

The invention provides a pull-up training device for physical training, which relates to the technical field of sports equipment and comprises a supporting base, a protection mechanism and a load bearing mechanism, wherein the load bearing mechanism is arranged on the supporting base, and the protection mechanism is arranged on the supporting base, and in addition, the pull-up training device can solve the following problems: a. present physical training person increases the weight of self through binding external devices such as some barbells, weight strips on one's body, but these barbells, weight strips rock easily when physical training person moves from top to bottom, consequently lead to the focus of physical training person's health unstable easily, lead to the quick production fatigue of physical training person easily. b. The pull-up training device for the existing physical training does not have a protection device, and accidents easily occur under the condition that hands slide when physical trainers take exercises.

Description

Pull-up training device for physical training

Technical Field

The invention relates to the technical field of sports equipment, and particularly provides a pull-up training device for physical training.

Background

The pull-up is a physical training item which is frequently encountered in daily exercise and school physical education classes, overcomes the hanging exercise of upward acting of the body weight by means of the strength of the pull-up, and is a training item suitable for people of all ages.

The field and equipment needed by the pull-up are not complicated, and the pull-up exercise is mainly a v-21274h-shaped metal single rod which is fixed outdoors or indoors and can be used for training a person to grasp the single rod with two hands and then carry out intermittent pull-up and pull-down rod exercise by using the strength of arms, back and waist.

To some professional body-building darts or professional competition personnel, simple and single bare-handed training on a single rod cannot meet training requirements of the users, so that professional physical training personnel can carry out weight-bearing pull-up training, and usually bind external devices such as barbells, weight belts and the like on the body of the user to increase the weight of the user, so that the strength limit of the user is rapidly strengthened, and the user challenges the user.

The existing pull-up training device for physical training is simple, but still has the following problems: a. present physical training person increases the weight of self through binding external devices such as some barbells, weight strips on one's body, but these barbells, weight strips rock easily when physical training person moves from top to bottom, consequently lead to the focus of physical training person's health unstable easily, lead to the quick production fatigue of physical training person easily.

b. The pull-up training device for the existing physical training does not have a protection device, and accidents easily occur under the condition that hands slide when physical trainers take exercises.

Disclosure of Invention

In order to solve the technical problem, the invention provides a pull-up training device for physical training, which comprises a supporting base, a protection mechanism and a load bearing mechanism, wherein the load bearing mechanism is arranged on the supporting base, and the protection mechanism is arranged on the supporting base.

Support both sides fixed mounting around the base lower extreme has two backup pads, and two weight support poles are installed to bilateral symmetry around supporting the base upper end, and the opposite side fixedly connected with training single pole of two weight support poles, the symmetry is fixed with the lag for the training around on the training single pole, supports the left side of base and has laid the sponge inoxidizing coating.

The protection mechanism comprises a protection block, wherein a protection groove is formed in the lower end of the protection block, a shape protection plate is fixedly mounted in the protection groove, the shape protection plate is arranged in the shape protection plate, the shape protection plate is symmetrically and rotatably connected with two winding shafts in the front and back directions of the inner side of the shape protection plate, the two ends of the two winding shafts are rotatably penetrated through the shape protection plate, a safety lifting rope is fixedly connected in the middle of the two winding shafts, the middle of the safety lifting rope is wound on the winding shafts, one end, far away from the winding shafts, of the safety lifting rope is movably connected with a stretching waistband, the shape protection plate is provided with a safety part at the side end.

Heavy burden mechanism is including the heavy burden installing frame, fixed mounting has the heavy burden installing frame on the support base, equidistant fixed mounting has a plurality of heavy burden spring levers that have flexible function on the inner wall on heavy burden installing frame right side, and the equal fixed mounting of one end that the heavy burden installing frame was kept away from to a plurality of heavy burden spring levers has the shape frame of returning of joint function, and the lower extreme of returning the shape frame is provided with the gliding spring spacing subassembly 34 that leads it.

Two guide posts of symmetry fixedly connected with around on the inner wall on heavy burden installing frame right side, two guide posts are located the top of heavy burden spring beam, common sliding connection has heavy burden tensile board on two guide posts, a plurality of sliding trays have been seted up to the equidistant on the heavy burden tensile board, equal sliding connection has L shape joint claw in a plurality of sliding trays, the stationary phase even has tensile spring beam between the upper end of L shape joint claw and the sliding tray, be provided with the joint subassembly that has limiting displacement in the sliding tray, the inside of heavy burden installing frame is provided with can adjust the adjusting part that L shape joint claw carried out the removal.

Preferably, the safety part comprises a rotary torsion spring, the right side end of the winding shaft is fixedly connected with the rotary torsion spring, one end of the rotary torsion spring, which is far away from the winding shaft, is fixedly connected with a v-21274, the outer side wall of the shaped protection plate is fixedly connected with an arc limiting plate, the arc limiting plate is abutted against a special-shaped emergency brake sheet, the special-shaped emergency brake sheet is rotatably abutted against the v-21274, the left side wall of the shaped protection plate is abutted against the v-21274, and the left side wall of the shaped protection plate is connected with an emergency brake fixing ring which is meshed with the special-shaped emergency brake sheet.

Preferably, the spring limiting assembly comprises a guiding limiting part, the position of the inner wall of the lower end of the load-bearing mounting frame corresponding to the load-bearing spring rod is fixedly provided with the guiding limiting part at equal intervals, the lower end of the square frame is fixedly provided with a guide block, the guide block is arranged on the guiding limiting part through a ball in a sliding manner, and the guiding limiting part is fixedly connected with two positioning blocks in a symmetrical manner.

Preferably, the joint subassembly includes the joint groove, the joint groove has been seted up to the position department that the sliding tray is close to the lower extreme, the joint inslot is fixed with the joint spring, be fixed with the joint pole on the joint spring, the upper end of joint pole is the inclined plane structure, the joint pole slides and sets up at the joint inslot, the joint pole is close to the one end fixedly connected with stay cord of joint spring, the stay cord is kept away from the one end of joint pole and is slided and run through heavy burden spring beam and support the base, it has the pull ring piece to slide to run through on the support base, the pull ring piece links to each other with the stay cord, be fixed with buffer spring between the lateral wall of stay cord and support base.

Preferably, the adjusting part includes the fixed plate, the inside fixed mounting of heavy burden installation frame has the fixed plate, the equidistant adjustment tank that has run through on the fixed plate, sliding connection has right angle trapezoidal piece in the adjustment tank, both sides fixedly connected with horizontal piece around the right angle trapezoidal piece, fixedly connected with reset spring between the upper end of horizontal piece and the lower extreme of fixed plate, the upper end sliding connection of fixed plate has the movable plate, the upper end of movable plate is rack structure, the meshing is provided with adjusting gear on the movable plate, adjusting gear rotates through the regulation post and sets up on heavy burden installation frame, the left side end of regulation post rotates and runs through the support base and installs adjust knob, adjust knob rotates and sets up on the left side wall of supporting the base.

Preferably, the tensile board of bearing a burden is close to the one end fixed mounting who supports the base and has tensile haulage rope, and tensile haulage rope slides and runs through the support base, supports fixedly connected with deflector on the left side wall of base, and equidistant rotation is provided with a plurality of leading wheels on the deflector, and tensile haulage rope convolutes and sets up on the leading wheel, and the main effect of leading wheel is the direction that changes tensile haulage rope, guarantees that tensile haulage rope can be in physical training person under.

Preferably, be fixed with the collecting plate on the deflector, seted up the cross recess on the collecting plate, tensile haulage rope slides and runs through the collecting plate, is fixed with the cross piece on the tensile haulage rope, and the cross piece slides and sets up in the cross recess, and the main effect of cross piece is that lead to and spacing to tensile haulage rope, avoids in the tensile haulage rope indentation equipment.

Preferably, the one end that heavy burden drawing board was kept away from to tensile haulage rope is fixed with the key ring, and the lower extreme fixedly connected with go-between of tensile waistband, both sides are fixed with the go-between around the upper end of tensile waistband, and the one end that the coiling axle was kept away from to safe lifting rope is fixed with the key ring.

Preferably, the middle positions of the front side and the rear side of the support base are fixedly provided with strip-shaped auxiliary plates, the strip-shaped auxiliary plates are fixedly connected with inclined rods, one ends, far away from the strip-shaped auxiliary plates, of the inclined rods are fixed at the lower ends of the weight support rods, and a triangular structure is formed among the inclined rods, the strip-shaped auxiliary plates and the training single rods, so that the stability of the training single rods is improved.

The invention has the following beneficial effects: 1. the invention provides a pull-up training device for physical training, which realizes weight-bearing pull-up training in a mode of stretching a weight-bearing spring rod, can effectively ensure that the center of a weight is always stably positioned under a physical trainer, and avoids the situation that a weight-bearing object shakes randomly when the physical trainer does pull-up training.

2. The invention provides a pull-up training device for physical training, which can play a good protection role for a physical trainer through a protection mechanism, and avoid accidents of the physical trainer in the process of exercising.

3. The invention provides a pull-up training device for physical training, wherein an adjusting mechanism can adjust the required load weight according to the requirements of physical trainers, and the number of load spring rods is changed by rotating an adjusting knob to realize different load weights.

4. The invention provides a pull-up training device for physical training, wherein a strip-shaped auxiliary plate and an inclined rod can support a training single rod, so that the situation that the training single rod is deformed after being used for a long time is avoided.

5. The invention provides a pull-up training device for physical training, which can realize the regular replacement of a stretching waistband by the cooperation of a key ring and a connecting ring, and avoid the damage of the device caused by the abrasion and the corrosion of the stretching waistband in long-time use.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of the invention at a in fig. 1.

Fig. 3 is a first perspective structure diagram of the protection mechanism of the present invention.

Fig. 4 is a partial enlarged view of the invention at B in fig. 3.

Fig. 5 is a partial enlarged view of the invention at C in fig. 3.

Fig. 6 is a second perspective partial structure diagram of the protection mechanism of the present invention.

FIG. 7 is a schematic view of the loading mechanism of the present invention.

Fig. 8 is a partial enlarged view of the invention at D in fig. 7.

Fig. 9 is a top view structural view of the load mechanism of the present invention.

Fig. 10 is a cross-sectional view taken at E-E of fig. 9 in accordance with the present invention.

Fig. 11 is an enlarged view of a portion of the invention at F in fig. 10.

Fig. 12 is an enlarged view of a portion of the invention at G in fig. 10.

Fig. 13 is a partial structural schematic view of the adjusting mechanism of the present invention.

FIG. 14 is an enlarged view of a portion of the invention at H in FIG. 13.

In the figure: 1. a support base; 3. a load bearing mechanism; 2. a protection mechanism; 11. a support plate; 12. a weight support bar; 13. training a single rod; 14. a protective sleeve for training; 20. a protection block; 21. a protective bath; 22. \ 21274;' shape protective plate; 23. a winding shaft; 24. a safety lifting rope; 25. stretching the waistband; 26. a safety component; 30. a load mounting frame; 31. a load spring lever; 32. a clip frame; 34. a spring limiting assembly; 35. a guide post; 36. a load-bearing tension plate; 37. a sliding groove; 38. an L-shaped clamping claw; 39. a tension spring rod; 40. a clamping assembly; 41. an adjustment assembly; 261. rotating the torsion spring; 262. an arc limiting plate; 263. a special-shaped emergency brake sheet; 264. an emergency brake fixing ring; 341. a guide limit piece; 342. a guide block; 343. a ball bearing; 344. positioning a block; 400. a clamping groove; 401. clamping a spring; 402. a clamping and connecting rod; 403. pulling a rope; 404. a ring pulling block; 405. a buffer spring; 410. a fixing plate; 411. an adjustment groove; 412. a right-angled trapezoidal block; 413. a horizontal block; 414. a return spring; 415. moving the plate; 416. an adjusting gear; 417. an adjustment column; 418. adjusting a knob; 361. stretching the traction rope; 362. a guide plate; 363. a guide wheel; 364. a collection plate; 365. a cross block; 391. a key ring; 392. a connecting ring; 15. a strip-shaped auxiliary plate; 16. a tilting lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a pull-up training device for physical training comprises a supporting base 1, a protection mechanism 2 and a load mechanism 3, wherein the load mechanism 3 is arranged on the supporting base 1, and the protection mechanism 2 is arranged on the supporting base 1; during specific work, the pull-up mode is the most common exercise and warm-up mode for some sportsmen and some physical exercise enthusiasts, for the people with professional sports experience, the pull-up with bare hands is the most common exercise mode, therefore, the people often carry out additional weight training for improving the pull-up exercise effect, the pull-up training device provided by the invention can meet the requirements, the pull-up training requirement of the physical trainer is met through the weight bearing mechanism 3, and the protection mechanism 2 can play a protection role for the physical trainer, so that accidents are avoided.

Referring to fig. 1, two support plates 11 are fixedly installed on the front side and the rear side of the lower end of a support base 1, two weight support rods 12 are symmetrically installed on the front side and the rear side of the upper end of the support base 1, opposite sides of the two weight support rods 12 are fixedly connected with a training single rod 13 together, two training protective sleeves 14 are symmetrically fixed on the training single rod 13 in the front and the rear direction, and a sponge protective layer is laid on the left side of the support base 1; the middle positions of the front side and the rear side of the supporting base 1 are fixedly provided with strip-shaped auxiliary plates 15, the strip-shaped auxiliary plates 15 are fixedly connected with inclined rods 16, and one ends, far away from the strip-shaped auxiliary plates 15, of the inclined rods 16 are fixed at the lower ends of the weight supporting rods 12.

During specific work, the main effect of two backup pads 11 is in order to guarantee whole stability of supporting base 1, when physical training person handheld training list pole 13, training list pole 13 and weight bracing piece 12 can receive physical training person's gravity, consequently its probably takes place the possibility of deformation under the condition of using training list pole 13 and weight bracing piece 12 for a long time, cooperation through slope pole 16 and bar accessory plate 15 this moment, guarantee that slope pole 16 can play the effect of support to weight bracing piece 12, avoid training list pole 13 the crooked condition to appear, and physical training person slope pole 16 can play the effect of dispersed pressure when carrying out physical training, training list pole 13, the structure that slope pole 16 and bar accessory plate 15 are constituteed, improve the stability of training list pole 13, the sponge inoxidizing coating is avoided physical training person because of colliding with when training to lead to it to take place the injury through the elasticity of sponge.

Referring to fig. 7, 8, 9, 10, 11, 13 and 14, the load mechanism 3 includes a load-bearing mounting frame 30, the load-bearing mounting frame 30 is fixedly mounted on the support base 1, a plurality of load-bearing spring rods 31 with telescopic function are fixedly mounted on the inner wall of the right side of the load-bearing mounting frame 30 at equal intervals, a clip frame 32 with clip function is fixedly mounted at one end of each of the plurality of load-bearing spring rods 31 far away from the load-bearing mounting frame 30, and a spring limiting assembly 34 for guiding and sliding the clip frame 32 is arranged at the lower end of the clip frame; two guide posts 35 are symmetrically and fixedly connected to the inner wall of the right side of the load mounting frame 30 in a front-back manner, the two guide posts 35 are located above the load spring rod 31, a load stretching plate 36 is connected to the two guide posts 35 in a sliding manner, a plurality of sliding grooves 37 are formed in the load stretching plate 36 at equal intervals, L-shaped clamping claws 38 are connected to the sliding grooves 37 in a sliding manner, a stretching spring rod 39 is fixedly connected between the upper ends of the L-shaped clamping claws 38 and the sliding grooves 37, clamping components 40 with limiting effect are arranged in the sliding grooves 37, and adjusting components 41 capable of adjusting the L-shaped clamping claws 38 to move are arranged in the load mounting frame 30; a stretching traction rope 361 is fixedly installed at one end, close to the support base 1, of the load stretching plate 36, the stretching traction rope 361 penetrates through the support base 1 in a sliding mode, a guide plate 362 is fixedly connected to the left side wall of the support base 1, a plurality of guide wheels 363 are arranged on the guide plate 362 in a rotating mode at equal intervals, and the stretching traction rope 361 is wound on the guide wheels 363; the adjusting component 41 comprises a fixing plate 410, a fixing plate 410 is fixedly mounted inside the load mounting frame 30, an adjusting groove 411 is formed in the fixing plate 410 in a penetrating mode at equal intervals, a right-angle trapezoidal block 412 is connected in the adjusting groove 411 in a sliding mode, horizontal blocks 413 are fixedly connected to the front side and the rear side of the right-angle trapezoidal block 412, a return spring 414 is fixedly connected between the lower ends of the horizontal blocks 413 and the fixing plate 410, a moving plate 415 is connected to the upper end of the fixing plate 410 in a sliding mode, the upper end of the moving plate 415 is of a rack structure, an adjusting gear 416 is arranged on the moving plate 415 in a meshed mode, the adjusting gear 416 is arranged on the load mounting frame 30 in a rotating mode through an adjusting column 417, the left side of the adjusting column 417 rotates to penetrate through the supporting base 1 and is provided with an adjusting knob 418, and the adjusting knob 418 rotates to be arranged on the side wall of the supporting base 1.

When the physical training person needs to perform pull-up training, firstly, the physical training person needs to self-adjust the required load according to the self condition, firstly, the operator clockwise rotates the adjusting knob 418, the adjusting knob 418 drives the adjusting gear 416 to clockwise rotate through the adjusting column 417, the adjusting gear 416 rotates to drive the moving plate 415 meshed below the adjusting gear to move from front to back along the fixed plate 410, the fixed plate 410 has a guiding effect on the moving plate 415, the moving plate 415 is firstly contacted with a first right-angled trapezoid 412 in a plurality of right-angled trapezoid 412 on the fixed plate 410 in the moving process of the moving plate 410, the moving plate 415 generates pressure on the first right-angled trapezoid 412 in the moving process, the first right-angled trapezoid 412 gradually moves downwards after being subjected to external force through an inclined surface, when the first right-angled trapezoid 412 moves downwards, the first right-angled trapezoid block 412 generates downward pressure on the L-shaped clamping claw 38 against which the lower end of the first right-angled trapezoid block 412 abuts, in an initial state, the load stretching plate 36 and the L-shaped clamping claw 38 are located at the lower end of the fixing plate 410, the L-shaped clamping claw 38 is located right below the right-angled trapezoid block 412, when the L-shaped clamping claw 38 receives the downward pressure of the right-angled trapezoid block 412, the L-shaped clamping claw 38 moves downward along the sliding groove 37 until the L-shaped clamping claw 38 is inserted into the clip frame 32 on the load spring rod 31, the load spring rod 31 is connected with the load stretching plate 36 and the stretching traction rope 361 through the L-shaped clamping claw 38, at this time, when the physical trainer does the pull-up movement, the stretching waist belt 25 tied on the waist pulls the stretching traction rope 361 to move the stretching plate 36 synchronously, the load spring rod 31 is stretched, when the first spring rod 31 and the L-shaped clamping claw 38 are clamped, the load force needs to be adjusted in a later stage, repeating the above operations, continuing to rotate the adjusting gear 416 until the moving plate 415 moves for a specified distance, so that a corresponding number of L-shaped clamping claws 38 are all inserted into the clip-shaped frame 32 on the corresponding load-bearing spring rod 31, the adjusting knob 418 is provided with scale marks, the physical trainer selects load-bearing spring rods 31 with different numbers to be connected according to the scale marks, so as to achieve the load-bearing weight required by training, after adjusting the load-bearing weight required by the physical trainer, the physical trainer takes up the stretching waistband 25 and ties the stretching waistband on the waist in a clamping manner, and the stretching traction rope 361 on the stretching waistband 25 needs to be positioned between two legs, so as to avoid the position of the stretching waistband 25 from moving, and simultaneously, the stretching traction rope 361 is ensured to be positioned under the physical trainer by the guide wheel 363 arranged on the guide plate 362, then the physical trainer jumps slightly, the single rod 13 is held by both hands, when the arm of the physical trainer starts to exert force to bend upwards, the stretching waistband 25 and the tensile rope 361 fixed on the waist start to be gradually pulled, the physical trainer can install the frame 30 in the process of pulling the physical training, and the situation that the effective tensile spring rods 31 can be gradually pulled and the heavy-bearing training can be gradually increased, and the situation that the physical trainer can be applied to the effective tensile force of the weight-bearing training can be gradually reduced can be avoided.

Referring to fig. 2, 3 and 5, the one end that tensile haulage rope 361 kept away from heavy burden tensile board 36 is fixed with key ring 391, the lower extreme fixedly connected with go-between 392 of tensile waistband 25, both sides are fixed with go-between 392 around the upper end of tensile waistband 25, the one end that winding shaft 23 was kept away from to safe lifting rope 24 is fixed with key ring 391, go-between 392 and key ring 391 can the joint be in the same place, also can separate, can guarantee the change of tensile waistband 25, select suitable tensile waistband 25 according to different physical training person's size, the washing is diligent can be accomplished to the quick replacement of tensile waistband 25 simultaneously, avoid the long-time tensile waistband 25 of corroding of sweat stain that the training produced.

Referring to fig. 2, a collecting plate 364 is fixed on the guide plate 362, a cross slot is formed on the collecting plate 364, a drawing rope 361 penetrates through the collecting plate 364 in a sliding manner, a cross block 365 is fixed on the drawing rope 361, and the cross block 365 is arranged in the cross slot in a sliding manner; the cooperation of cross recess and cross piece 365 can avoid tensile haulage rope 361 to take place winding's risk.

Referring to fig. 7 and 8, the spring position limiting assembly 34 includes a guide position limiting member 341, the guide position limiting member 341 is fixedly installed on the inner wall of the lower end of the load mounting frame 30 at equal intervals corresponding to the position of the load spring rod 31, a guide block 342 is fixedly installed on the lower end of the clip frame 32, the guide block 342 is slidably disposed on the guide position limiting member 341 through a ball 343, and two positioning blocks 344 are fixedly connected to the guide position limiting member 341 in a front-back symmetrical manner; during specific work, the main effect of the guide limiting part 341 is to limit the moving direction of the load-bearing spring rod 31, it is ensured that the load-bearing spring rod 31 can only move left and right along the guide limiting part 341 through the guide block 342, and meanwhile, the friction resistance generated by the movement of the guide block 342 and the guide limiting part 341 can be effectively reduced through the balls 343, so that the excessive resistance generated when the load-bearing spring rod 31 is stretched is avoided, the two positioning blocks 344 are symmetrically and fixedly connected to limit the load-bearing spring rod 31, the positioning block 344 at the rightmost end is the initial position when the load-bearing spring rod 31 is not under the tensile force, and the positioning block 344 at the leftmost end is the position when the load-bearing spring rod 31 is under the maximum tensile force.

Referring to fig. 11 and 12, the clamping assembly 40 includes a clamping groove 400, the position of the sliding groove 37 near the lower end is provided with the clamping groove 400, a clamping spring 401 is fixed in the clamping groove 400, a clamping rod 402 is fixed on the clamping spring 401, the upper end of the clamping rod 402 is of an inclined plane structure, the clamping rod 402 is slidably arranged in the clamping groove 400, one end of the clamping rod 402 near the clamping spring 401 is fixedly connected with a pull rope 403, one end of the pull rope 403 far from the clamping rod 402 slidably penetrates through the load spring rod 31 and the support base 1, a pull ring block 404 is slidably penetrated on the support base 1, the pull ring block 404 is connected with the pull rope 403, and a buffer spring 405 is fixed between the pull rope 403 and the side wall of the support base 1.

In the specific operation, when the L-shaped clamping claw 38 is inserted into the clip frame 32 on the load-bearing spring rod 31, and the L-shaped clamping claw 38 moves downward, the L-shaped clamping claw 38 first contacts the clamping rod 402 extending from the clamping groove 400, the upper end of the clamping rod 402 is of an inclined plane structure, the clamping rod 402 contracts into the clamping groove 400 after receiving an external force, when the clamping rod 402 contracts into the clamping groove 400, the L-shaped clamping claw 38 moves downward until the L-shaped clamping claw 38 passes through the clamping groove 400 and the L-shaped clamping claw 38 is inserted into the clip frame 32 of the load-bearing spring rod 31, the clamping rod 402 extends out from the clamping groove 400, the clamping rod 402 limits the upper end of the L-shaped clamping claw 38 to prevent the L-shaped clamping claw 38 from moving upward, the load-bearing spring rod 31 is connected with the tensile traction rope 361, and the physical training person can train physical training by pulling the tensile traction rope 361, after the physical training person finishes training, the stretching waist belt 25 is unfastened, the stretching traction rope 361 is loosened, the cross block 365 on the stretching traction rope 361 retracts into the cross groove on the collecting plate 364 through elasticity, the adjusting knob 418 is adjusted to the original position, then the pull ring block 404 and the pull rope 403 are pulled, after the pull rope 403 receives the pulling force, the end, far away from the pull ring block 404, connected with the clamping rod 402 drives the clamping rod 402 to move into the clamping groove 400, the clamping rod 402 retracts into the clamping groove 400, the L-shaped clamping claw 38 loses the limit of the clamping rod 402, the right-angled ladder-shaped block 412 at the upper end of the L-shaped clamping claw 38 also returns to the original position upwards, the L-shaped clamping claw 38 causes the L-shaped clamping claw 38 to move upwards through the elasticity of the stretching spring rod 39, the L-shaped clamping claw 38 is separated from the clip 32 of the load spring rod 31, and finally the stretching waist belt 25 is restored to the original position, the subsequent physical training person of being convenient for carries out chin training.

Referring to fig. 3, 4 and 6, the protection mechanism 2 includes a protection block 20, the protection block 20 is fixedly connected to the middle position of the training single rod 13, a protection groove 21 is formed in the lower end of the protection block 20, a v-shaped protection plate 22, a v-shaped protection plate 21274are fixedly installed in the protection groove 21, two winding shafts 23 are symmetrically and rotatably connected to the inner side of the v-shaped protection plate 22 in a front-back manner, two ends of the two winding shafts 23 rotatably penetrate the v-shaped protection plate 21274, a safety lifting rope 24 is fixedly connected to the middle position of each of the two winding shafts 23, the middle part of the safety lifting rope 24 is wound on the winding shaft 23, a stretching waistband 25 is movably connected to one end of the safety lifting rope 24, which is far away from the winding shaft 23, and a safety part 26 is arranged at the side end of the v-shaped protection plate 22; safety component 26 includes rotating torsion spring 261, the right side end fixedly connected with of coiling axle 23 rotates torsion spring 261, rotate torsion spring 261 and keep away from the one end of coiling axle 23 with \21274, the lateral wall fixed connection of shape guard plate 22, the left side fixedly connected with arc limiting plate 262 of coiling axle 23, support on the arc limiting plate 262 and lean on and be provided with special-shaped emergency brake piece 263, special-shaped emergency brake piece 263 rotates and supports and lean on \21274, on the left side wall of shape guard plate 22, \21274, be connected with on the left side wall of shape guard plate 22 with special-shaped emergency brake piece 263 intermeshing's solid fixed ring 264.

When the physical training device works specifically, after the physical training person adjusts the weight of the physical training person, the physical training person ties the stretching waistband 25, the front end and the rear end of the stretching waistband 25 are fixedly connected with the safety lifting ropes 24 respectively, when the physical training person performs pull-up movement, the physical training person reciprocates up and down, the rotating torsion spring 261 is matched with the safety lifting ropes 24 through the elasticity of the torsion spring 261 to perform reciprocating contraction, when the physical training person moves up, the elasticity of the rotating torsion spring 261 drives the winding shaft 23 to rotate, the winding shaft 23 starts to wind the safety lifting ropes 24, when the physical training person moves down, the rotating torsion spring 261 is subjected to downward pulling force, the winding shaft 23 rotates reversely, the winding shaft 23 starts to release the safety lifting ropes 24, the parts of the safety lifting ropes 24, which are positioned on the upper body and the arms of the physical training person, are wrapped with rubber cotton, so that the friction between the safety lifting ropes 24 and the human body can be reduced, the physical training person is prevented from being scratched, when the physical training person accidentally drops the arm to train the single rod 13, the physical training person quickly drops, the speed of the physical training person dropping gradually increases, the safety lifting rope 24 is quickly stretched, the safety lifting rope 24 drives the winding shaft 23 to quickly rotate, the winding shaft 23 drives the special-shaped emergency brake sheet 263 to rotate after being quickly rotated, when the special-shaped emergency brake sheet 263 quickly rotates, the centrifugal force starts to shift to the outside, the position of the special-shaped emergency brake sheet 263 moves until the special-shaped emergency brake sheet 263 and the emergency brake fixing ring 264 are mutually meshed, the special-shaped emergency brake sheet 263 is clamped by the emergency brake fixing ring 264 and cannot rotate, meanwhile, the special-shaped emergency brake sheet 263 prevents the winding shaft 23 from rotating, the safety lifting rope 24 cannot extend, the physical training person is fixed in the air by the safety lifting rope 24, and the safety lifting rope 24 is symmetrically arranged on the stretching waistband 25 in the front and back directions, consequently tensile waistband 25 drives physical training person and stops in half empty and can not take place the condition of rotation, realize oneself unexpected when physical training person, in time make the adjustment, go up the separation of the key ring 391 of go-between 392 and the lower extreme of tensile waistband 25 lower extreme, get rid of heavy burden spring beam 31 to its self pulling force, adjust the posture afterwards, slowly hold up and support base 1, and the go-between 392 and the key ring 391 separation on the safety lifting rope 24 of tensile waistband 25 upper end, physical training person falls to the ground safely at last, will stretch waistband 25 and safety lifting rope 24 at last, tensile haulage rope 361 reconnects.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a physical training is with chin trainer, is including supporting base (1), protection machanism (2) and heavy burden mechanism (3), its characterized in that: a load bearing mechanism (3) is arranged on the supporting base (1), and a protection mechanism (2) is arranged on the supporting base (1);

two supporting plates (11) are fixedly arranged on the front side and the rear side of the lower end of the supporting base (1), two weight supporting rods (12) are symmetrically arranged on the front side and the rear side of the upper end of the supporting base (1), the opposite sides of the two weight supporting rods (12) are fixedly connected with a training single rod (13) together, training protective sleeves (14) are symmetrically fixed on the training single rod (13) in the front and rear directions, and a sponge protective layer is laid on the left side of the supporting base (1);

the protection mechanism (2) comprises a protection block (20), the protection block (20) is fixedly connected to the middle position of the training single rod (13), a protection groove (21) is formed in the lower end of the protection block (20), a v-21274, a shaped protection plate (22) and a v-21274are fixedly installed in the protection groove (21), two winding shafts (23) are symmetrically and rotatably connected to the inner side of the shaped protection plate (22) in a front-back symmetrical mode, two ends of the two winding shafts (23) rotatably penetrate through the v-21274, the shaped protection plate (22), a safety lifting rope (24) is fixedly connected to the middle position of each of the two winding shafts (23), the middle of the safety lifting rope (24) is wound on the corresponding winding shaft (23), a stretching waistband (25) is movably connected to one end, far away from the corresponding winding shaft (23), of the safety lifting rope (24), and a safety part (26) is arranged at the side end of the v-21274;

the load-bearing mechanism (3) comprises a load-bearing mounting frame (30), the load-bearing mounting frame (30) is fixedly mounted on the supporting base (1), a plurality of load-bearing spring rods (31) with telescopic functions are fixedly mounted on the inner wall of the right side of the load-bearing mounting frame (30) at equal intervals, one ends, far away from the load-bearing mounting frame (30), of the load-bearing spring rods (31) are fixedly mounted with clip-shaped frames (32) with clamping functions, and the lower ends of the clip-shaped frames (32) are provided with spring limiting assemblies (34) for guiding and sliding the clip-shaped frames;

the heavy-duty mounting frame is characterized in that two guide columns (35) are symmetrically and fixedly connected to the inner wall of the right side of the heavy-duty mounting frame (30) in a front-back mode, the two guide columns (35) are located above the heavy-duty spring rod (31), the two guide columns (35) are jointly and slidably connected with a heavy-duty stretching plate (36), a plurality of sliding grooves (37) are formed in the heavy-duty stretching plate (36) at equal intervals, L-shaped clamping claws (38) are slidably connected into the plurality of sliding grooves (37), the stretching spring rod (39) is fixedly connected between the upper ends of the L-shaped clamping claws (38) and the sliding grooves (37), clamping assemblies (40) with limiting effects are arranged in the sliding grooves (37), and adjusting assemblies (41) capable of adjusting the L-shaped clamping claws (38) to move are arranged in the heavy-duty mounting frame (30);

the safety component (26) comprises a rotary torsion spring (261), the right side end of the winding shaft (23) is fixedly connected with the rotary torsion spring (261), one end, far away from the winding shaft (23), of the rotary torsion spring (261) is fixedly connected with the outer side wall of the shaped protection plate (22), the left side end of the winding shaft (23) is fixedly connected with an arc limiting plate (262), the arc limiting plate (262) is abutted against a special-shaped emergency brake sheet (263), the special-shaped emergency brake sheet (263) is rotatably abutted against the 21274, the left side wall of the shaped protection plate (22) is connected with an emergency brake fixing ring (264) which is meshed with the special-shaped emergency brake sheet (263);

adjusting part (41) is including fixed plate (410), the inside fixed mounting of heavy burden installing frame (30) has fixed plate (410), equidistant run through has seted up adjustment tank (411) on fixed plate (410), sliding connection has right angle trapezoidal piece (412) in adjustment tank (411), both sides fixedly connected with horizontal piece (413) around right angle trapezoidal piece (412), fixedly connected with reset spring (414) between the upper end of horizontal piece (413) and the lower extreme of fixed plate (410), the upper end sliding connection of fixed plate (410) has movable plate (415), the upper end of movable plate (415) is the rack structure, the meshing is provided with adjusting gear (416) on movable plate (415), adjusting gear (416) rotate through heavy burden post (417) and set up on installing frame (30), the left side end rotation of adjusting post (417) runs through support base (1) and installs adjust knob (418), adjust knob (418) rotate and set up on the left side wall of supporting base (1).

2. The pull-up training device for physical training according to claim 1, wherein: the spring limiting assembly (34) comprises a guide limiting part (341), the position of the inner wall of the lower end of the load mounting frame (30) corresponding to the load spring rod (31) is fixedly provided with the guide limiting part (341) at equal intervals, the lower end of the clip frame (32) is fixedly provided with a guide block (342), the guide block (342) is arranged on the guide limiting part (341) in a sliding mode through a ball (343), and the guide limiting part (341) is fixedly connected with two positioning blocks (344) in a front-back symmetrical mode.

3. The pull-up training device for physical training according to claim 1, wherein: joint subassembly (40) are including joint groove (400), joint groove (400) have been seted up to position department that sliding tray (37) are close to the lower extreme, joint groove (400) internal fixation has joint spring (401), be fixed with joint pole (402) on joint spring (401), the upper end of joint pole (402) is the inclined plane structure, joint pole (402) slide to set up in joint groove (400), one end fixedly connected with stay cord (403) that joint pole (402) are close to joint spring (401), the one end slip that joint pole (402) were kept away from in stay cord (403) runs through heavy burden spring beam (31) and support base (1), it has pull ring piece (404) to slide to run through on support base (1), pull ring piece (404) link to each other with stay cord (403), be fixed with buffer spring (405) between stay cord (403) and the lateral wall that supports base (1).

4. The pull-up training device for physical training according to claim 1, wherein: tensile haulage rope (361) are fixedly mounted to one end that heavy burden stretching plate (36) are close to and support base (1), and tensile haulage rope (361) slide to run through and support base (1), fixedly connected with deflector (362) on the left side wall of support base (1), equidistant rotation is provided with a plurality of leading wheels (363) on deflector (362), and tensile haulage rope (361) are convoluteed and are set up on leading wheel (363).

5. The pull-up training device for physical training according to claim 4, wherein: a collecting plate (364) is fixed on the guide plate (362), a cross groove is formed in the collecting plate (364), a stretching traction rope (361) penetrates through the collecting plate (364) in a sliding mode, a cross block (365) is fixed on the stretching traction rope (361), and the cross block (365) is arranged in the cross groove in a sliding mode.

6. The pull-up training device for physical training according to claim 4, wherein: one end, far away from the heavy-load stretching plate (36), of the stretching traction rope (361) is fixed with a key ring (391), the lower end of the stretching waistband (25) is fixedly connected with a connecting ring (392), the front side and the rear side of the upper end of the stretching waistband (25) are fixed with the connecting ring (392), and one end, far away from the winding shaft (23), of the safety lifting rope (24) is fixed with the key ring (391).

7. The pull-up training device for physical training according to claim 1, wherein: the middle positions of the front side and the rear side of the supporting base (1) are fixedly provided with strip-shaped auxiliary plates (15), the strip-shaped auxiliary plates (15) are fixedly connected with inclined rods (16), and one ends, far away from the strip-shaped auxiliary plates (15), of the inclined rods (16) are fixed at the lower ends of the weight supporting rods (12).

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