CN217854390U - Training arm and comprehensive training equipment - Google Patents

Abstract

The utility model relates to a training arm and comprehensive training equipment, include: the swing arm pipe and the universal guide wheel assembly, the universal guide wheel assembly includes first rotating turret, second rotating turret and guide wheel frame, first rotating turret rotate set up in on the swing arm pipe, the second rotating turret with first rotating turret rotates and is connected, the guide wheel frame with first rotating turret rotates and connects, so that the universal guide wheel assembly has the rotation degree of freedom of three not equidirectional. Because the stay cord of the integrated training equipment is movably mounted on the universal guide wheel assembly, when the upper limbs of a trainer carry out stay cord actions of different angles and directions, the first rotating frame, the second rotating frame and the guide wheel frame can provide the rotational freedom degrees of different directions, namely, the universal guide wheel assembly can always provide the rotational freedom degrees of the same adaptation for the stay cord, thereby reducing the frictional resistance between the stay cord and the universal guide wheel assembly, leading the training arm to be capable of adapting to multi-angle strength training and improving the use experience of a user.

Description

Training arm and comprehensive training equipment

Technical Field

The utility model relates to a training body-building apparatus technical field especially relates to a training arm and comprehensive training equipment.

Background

At present, along with the continuous improvement of living standard, people are more and more strong to healthy attention degree, and more people begin to participate in body-building and take exercise, compare in outdoor place and run etc. and take exercise the project and receive factor influences such as weather easily, use fitness equipment to carry out physical training in indoor more nimble changeable, have received more exerciser's favor.

The existing strength training equipment is usually provided with a training arm, the pulley assembly is installed on the training arm, the pull rope is movably arranged in the pulley assembly and the training arm in a penetrating mode, and the pulley assembly guides the pull rope. But current loose pulley assembly's rotational degree of freedom is comparatively limited, and when the training person pulled the stay cord and carries out the strength training of different angles and direction, the frictional resistance between stay cord and the loose pulley assembly was big, and the strength training of unable adaptation multi-angle leads to user experience to feel not good.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a training arm and comprehensive training equipment, aims at solving prior art frictional resistance is big, can't adapt to multi-angle strength training, and user experience is poor problem.

The present application provides a training arm, which includes:

a swing arm pipe; and

the universal guide wheel assembly comprises a first rotating frame, a second rotating frame and a guide wheel frame, wherein the first rotating frame is rotatably arranged on the swing arm pipe, the second rotating frame is rotatably connected with the first rotating frame, and the guide wheel frame is rotatably connected with the second rotating frame so that the universal guide wheel assembly has three rotational degrees of freedom in different directions.

The training arm of above-mentioned scheme is used and is equipped in comprehensive training equipment, the training person snatchs the grip during use, the resistance source provides the resistance, alright carry out upper limbs strength training when making the reciprocating pulling stay cord of training person, because the stay cord is movable mounting on universal leading wheel subassembly, when the stay cord action of different angles and direction is carried out to training person's upper limbs, first rotating turret, second rotating turret and leading wheel carrier homoenergetic can provide the rotational freedom degree of equidirectional, also make universal leading wheel subassembly can provide the rotational freedom degree of looks adaptation for the stay cord, thereby alleviate the frictional resistance between stay cord and the universal leading wheel subassembly always, make the training arm can adapt to multi-angle strength training, improve the user and use experience and feel.

The technical solution of the present application is further described below:

in one embodiment, the plane of the rotation center line of the first rotating frame is intersected with the plane of the rotation center line of the second rotating frame;

and the plane of the rotation center line of the guide wheel frame is intersected with the plane of the rotation center line of the first rotating frame and the plane of the rotation center line of the second rotating frame.

In one embodiment, the rotation center line of the first rotating frame is perpendicular to the rotation center line of the second rotating frame;

the rotating center line of the guide wheel frame is perpendicular to the rotating center line of the second rotating frame;

the rotating center line of the guide wheel frame and the rotating center line of the first rotating frame form an included angle, and the included angle is an acute angle, a right angle or an obtuse angle.

In one embodiment, the universal guide wheel assembly further comprises a wheel shaft and a guide wheel, the wheel shaft is arranged on the swing arm pipe, the first rotating frame is rotatably connected with the wheel shaft, and the guide wheel is rotatably arranged on the guide wheel frame.

In one embodiment, the training arm further comprises a pull rope movably wound on the guide wheel, a first end of the pull rope is used for connecting the holding part, and a second end of the pull rope is used for connecting the resistance source.

In one embodiment, the guide wheel frame is provided with an installation cavity, a limiting rod is arranged in the installation cavity, a first limiting block and a second limiting block are respectively arranged at two ends of the pull rope, a certain distance is kept between the limiting rod and the guide wheel, and the distance is smaller than the sizes of the first limiting block and the second limiting block.

In one embodiment, one of the first stopper and the second stopper is provided with a connecting ring, and the other is provided with a connecting member detachably connected to the connecting ring.

In one embodiment, the swing arm pipe is of a telescopic structure, so that the length of the swing arm pipe is adjustable; the swing arm pipe is provided with a fixing piece, and the fixing piece is used for fixing the pull rope; or the like, or, alternatively,

the training arm is provided with a winding board, and the winding board is used for winding and accommodating the pull rope.

In one embodiment, a thrust bearing is arranged on the inner surface of one side where the guide wheel frame and the second rotating frame are installed, and the thrust bearing and the guide wheel frame are sleeved on a rotating shaft of the second rotating frame.

In another aspect, the present application also provides an integrated training apparatus comprising a training arm as described above.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of an integrated training apparatus according to the present application;

FIG. 2 is a schematic structural view of the integrated training apparatus with the swing arm tubes in a stored state;

FIG. 3 is a schematic view of the backrest assembly in a stowed position;

FIG. 4 is a schematic diagram of the structure of the integrated training apparatus when the resistance source is a strength training machine;

FIG. 5 is a schematic structural view of the integrated training apparatus when the resistance source employs a weight block;

FIG. 6 is a block diagram of the angle adjustment assembly in a first explosive state;

FIG. 7 is a block diagram of the angle adjustment assembly in a second explosive state;

FIG. 8 is an exploded view of the universal idler assembly;

FIG. 9 is a view of the pull cord in the expanded use configuration of the present application;

FIG. 10 is a view showing the construction of the cord in a stored state;

FIG. 11 is an exploded view of the mounting plate and swing arm mount when friction plates are employed;

FIG. 12 is an exploded view of the mounting plate and swing arm mount when a torsion spring is employed;

FIG. 13 is a schematic view of a second positioning element;

fig. 14 is a partially enlarged schematic view of a portion a in fig. 7.

Description of reference numerals:

100. a comprehensive training device; 10. a body-building chair; 11. a backrest assembly; 111. mounting a plate; 111a, a first positioning hole; 111b and a third positioning hole; 112. a swing arm seat; 112a and a second positioning hole; 112b, friction plates; 112c, torsion spring; 113. a first positioning member; 114. a backrest support; 115. an angle adjustment assembly; 115a, a support plate; 115b, a rotating shaft; 115c, an adjusting rod; 115d, an adjusting seat; 115e, guide rails; 115f, rolling members; 115g, a second positioning member; 1151g, a housing; 1152g, a bayonet lock; 1153g, a handle; 115h and a fourth positioning hole; 115i and a fifth positioning hole; 116. a back pad; 12. a seat frame; 13. a height-adjustable foot pad; 20. a swing arm pipe; 30. pulling a rope; 40. a grip; 50. a resistance source; 60. a universal guide wheel assembly; 61. a wheel axle; 62. a first rotating frame; 63. a guide wheel; 64. a second rotating frame; 65. a guide wheel frame; 66. a first stopper; 67. a second limiting block; 68. a limiting rod; 69. a connecting ring; 69a, a connecting piece; 69b, a thrust bearing; 70. a wire winding plate; 80. a cushion; 90. and a support pad.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 to 5, an integrated training apparatus 100 according to an embodiment of the present application includes: a body-building chair 10 and a training arm, wherein the training arm is composed of a swing arm pipe 20 and a pull rope 30. Understandably, the trainer can sit on the body-building chair 10, the upper limbs can carry out strength training by the pull rope 30 and the swing arm pipe 20, and the requirement of the trainer for indoor body-building exercise can be met. In other embodiments, the integrated training apparatus 100 is a wall-mounted strength training machine that is mounted on a wall for training by a trainer. In other embodiments, the integrated exercise device 100 is a floor-based strength training machine on which the user stands for exercise. It is understood that the above is only a limited illustration of the integrated training device 100 of the present application, but not limited thereto, as long as the user can provide resistance for the user to perform strength training, and the detailed description thereof is omitted.

Illustratively, the exercise chair 10 comprises a backrest assembly 11, and the angle of the backrest assembly 11 can be adjusted in a rotating way; the swing arm tube 20 is rotatably arranged on the backrest assembly 11; the pull rope 30 is movably arranged on the swing arm tube 20, a first end of the pull rope 30 is used for connecting the holding piece 40, and a second end of the pull rope 30 is used for connecting the resistance source 50. Both ends of the pulling rope 30 are free ends, that is, both ends of the pulling rope 30 can freely move along any direction.

It can be understood that the swing arm tubes 20 are symmetrically arranged, the number of the corresponding pull ropes 30 is two, and the pull ropes 30 are correspondingly connected with the swing arm tubes 20 one by one, so that the strength training of the left and right arms of a trainer can be realized simultaneously.

In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: when the trainer uses the comprehensive training device 100 with the scheme, the trainer can comfortably sit on the fitness chair 10 after adjusting the backrest component 11 to a required angle, and at the moment, the training requirements of the trainer on conventional training items such as horizontal pushing, upward pushing and the like can be met; in addition, by further rotational adjustment of the swing arm tube 20 and the backrest module 11, the swing arm tube 20 can be positioned at a desired height and width, and then the handler can perform a high-lift training of the upper limb with the aid of the resistance source 50 by holding the grip 40 with the hands. Compared with the prior art, the comprehensive training equipment 100 can meet the requirements of multiple training items such as horizontal pushing, upward pushing and high pulling for a trainer, the training items are richer, and the use experience of the trainer is promoted.

On the basis of the above embodiment, the exercise chair 10 further comprises a seat frame 12 and a cushion 80. The cushion 80 is mounted on top of the seat frame 12 and disposed near one end to facilitate sitting training by the trainer.

With continued reference to fig. 6, 7 and 14, the backrest module 11 further includes a backrest pad 116, a backrest bracket 114 and an angle adjustment module 115, the backrest pad 116 is disposed on the backrest bracket 114 and is located at a side facing the seat cushion 80, and the backrest bracket 114 is rotatably disposed on the seat frame 12 through the angle adjustment module 115. By operating the angle adjusting assembly 115, the backrest support 114 can rotate up and down relative to the seat frame 12, so as to flexibly adjust the inclination angle of the backrest assembly 11, thereby meeting the requirements of trainers for different sitting postures or prone postures.

It should be noted that the minimum angular adjustment stroke of the angular adjustment assembly 115 is to make the backrest support 114 and the back pad 116 horizontal or nearly horizontal, and the back pad 116 is parallel or nearly parallel and in the same plane as the seat cushion 80, so that the trainer can lie down more comfortably.

The above-mentioned holding member 40 can be a handle, a long rod, etc. and different holding members 40 can be selected according to different training actions. For example, the grip 40 in the scheme adopts a handle form, so that the appearance is attractive, and the stable grip of a trainer is facilitated.

Preferably, the handle is wrapped with a rubber sleeve, so that friction force can be further increased, and potential safety hazards caused by slipping and falling off the handle can be prevented.

In addition, the swing arm tube 20 is designed to have a telescopic structure, so that the length of the swing arm tube 20 is adjustable. Therefore, the swing arm pipe 20 can be conveniently adjusted according to the training width, height and the like required by the user, and the interference collision between the swing arm pipe 20 and the seat frame 12 can be avoided when the whole machine is stored.

In some embodiments, the resistance source 50 is configured as a strength training machine, the bottom of the exercise chair 10 is provided with a height-adjustable foot pad 13, for a ground type strength training machine, the strength training machine can be placed under the seat frame 12, the seat frame 12 is tightly pressed against the strength training machine by adjusting the distance between the height-adjustable foot pad 13 and the strength training machine, so as to ensure the safety and stability of the training, and then the pull rope 30 is connected to the strength training machine to perform the strength training. For a wall-mounted strength training machine, the pull cord 30 can be directly connected to the wall-mounted strength training machine for training.

When the strength training machine is used, the resistance is provided by the resistance output device of the strength training machine, namely, the resistance output device provides power opposite to the direction of pulling the pull rope 30 by the trainer, so that the requirement of strength training of the upper limbs of the trainer can be met. Alternatively, the resistance output device may be a motor, an electromagnetic driver, a spring, a flywheel, a friction plate, or the like that can provide resistance.

Exemplarily, the height-adjustable foot pad 13 is a stud foot pad which is screwed to the bottom of the exercise chair 10 and performs lifting movement in a screwing manner, and the mounting structure is simple and the adjustability is strong.

Alternatively, as an alternative to the above embodiment, the resistance source 50 may be a weight block, the weight block is disposed on one side of the seat frame 12, and the strength training can be performed after the pull rope 30 is connected to the weight block. The gravity of balancing weight provides the required resistance of training person's upper limbs strength training this moment, and the balancing weight is simpler, and the implementation nature is strong, and use cost is lower.

Alternatively, as a further alternative to the above-described embodiment, the pull cord 30 is a bungee cord, and the end of the pull cord 30 that is used in connection with the source of resistance 50 may be connected to any of the securing devices. The securing device may be a door, wall, floor, brace, table leg, etc., in which case the pull cord 30 may provide the trainer with the resistance needed for training. The embodiment provides the training resistance, is simple, convenient, strong in universality and low in cost, and can meet the training requirements in various training environments.

The comprehensive training device 100 provided by the embodiment can meet the use function of the existing fitness chair, and meanwhile, the trainer can realize strength training of push-up, flat push, high pull and the like by connecting one free end of the pull rope 30 with different resistance sources 50 and connecting the other free end with the holding piece 40. Wherein, the resistance source 50 can be selected flexibly according to the training environment of the trainer, and different resistance sources 50 can provide resistance with different degrees, the trainer can flexibly select different types of resistance sources 50 according to the training requirement to be connected with the comprehensive training device 100 for training, namely, the comprehensive training device 100 does not need to carry expensive resistance output devices such as a motor and the like, and can be adapted to various resistance sources 50 on the market to provide strength training for the trainer, the resistance providing mode is convenient and diversified, and the cost is lower. The pull cord 30 of the integrated training device 100 may provide a secure connection to the resistance source 50 while avoiding some limitations of the resistance source 50 in that it may not be sufficiently long on its own. In addition, the pull rope 30 is movably arranged on the swing arm tube 20, the swing arm tube 20 is rotatably arranged on the backrest assembly 11, and the angle of the swing arm tube 20 relative to the backrest assembly 11 can be adjusted, so that the swing arm tube 20 is in a proper required height and width position, and training requirements of trainers on different heights and widths are met.

With continued reference to fig. 1 and 8, in addition to any of the above embodiments, the integrated training device 100 further includes a universal guide wheel assembly 60, the universal guide wheel assembly 60 is rotatably disposed on the swing arm tube 20, and the pull rope 30 is movably disposed on the universal guide wheel assembly 60. During the in-service use, universal guide pulley subassembly 60 provides the rotational degree of freedom of stay cord 30 a plurality of directions (can provide three different directions like this embodiment), and training actions such as the flat push that can better adaptation training person carry out different directions and angle, high drawing alleviate the friction and wear of stay cord 30 and universal guide pulley subassembly 60 simultaneously, improve the life of stay cord 30 and universal guide pulley subassembly 60.

Specifically, in some embodiments, the universal guide wheel assembly 60 includes a wheel shaft 61 and a first rotating frame 62, the wheel shaft 61 is disposed on the swing arm tube 20, and the first rotating frame 62 is rotatably connected to the wheel shaft 61 and rotatably disposed on the swing arm tube 20 through the wheel shaft 61. Wherein, the wheel axle 61 is fixedly installed at the end of the swing arm tube 20 for installing and supporting the first rotating frame 62 and ensuring the first rotating frame 62 to rotate freely.

Further, the universal guide wheel assembly 60 further includes a second rotating frame 64, and the second rotating frame 64 is rotatably disposed on the first rotating frame 62; wherein, the plane of the rotation center line of the first rotating frame 62 is intersected with the plane of the rotation center line of the second rotating frame 64. The second rotating frame 64 can rotate relative to the first rotating frame 62, thereby providing more spatial rotational degrees of freedom in multiple directions and enabling the trainer to perform multi-directional and multi-angle upper limb high-pulling exercises.

Specifically, in the present embodiment, the rotation center line of the first rotating frame 62 and the rotation center line of the second rotating frame 64 are perpendicular to each other.

Furthermore, the universal guide wheel assembly 60 further includes a guide wheel frame 65 and a guide wheel 63, the guide wheel frame 65 is rotatably connected to the second rotating frame 64, the guide wheel 63 is rotatably disposed on the guide wheel frame 65, and the pull rope 30 is movably wound around the guide wheel 63. The wheel frame 65 rotates relative to the second rotating frame 64, which provides more rotational degrees of freedom for the pull cord 30, and is beneficial to reducing the resistance generated by the swing of the upper limbs of the trainee during the high-pulling action. The plane of the rotation center line of the wheel carrier 65 intersects both the plane of the rotation center line of the second rotating frame 64 and the plane of the rotation center line of the first rotating frame 62.

Specifically, in this embodiment, the rotation center line of the guide wheel frame 65 is perpendicular to the rotation center line of the second rotating frame 64, and the rotation center line of the guide wheel frame 65 forms an included angle with the rotation center line of the first rotating frame 62, where the included angle may be an acute angle, a right angle, or an obtuse angle.

When the user pulling stay cord carries out strength training, because the stay cord is movable mounting on universal guide pulley subassembly, when the user carries out the stay cord action of different angles and direction, first rotating turret, second rotating turret and guide pulley frame homoenergetic provide the rotational degree of freedom of equidirectional, also make universal guide pulley subassembly always can provide the rotational degree of freedom of looks adaptation for the stay cord, thereby alleviate the frictional resistance between stay cord and the universal guide pulley subassembly, make the training arm can adapt to multi-angle strength training, improve the user and use experience and feel.

In addition, the wheel carrier 65 is provided with a mounting cavity. Specifically, the guide wheel frame 65 is formed into a U-shaped plate structure, the guide wheel 63 is installed in a U-shaped cavity (i.e., an installation cavity) of the guide wheel, a limiting rod 68 is arranged in the U-shaped cavity, and the limiting rod 68 is also installed in the U-shaped cavity and keeps a certain distance from the guide wheel 63. The distance is larger than the diameter of the pull rope 30, so that the pull rope 30 can freely pass between the guide wheel 63 and the limiting rod 68.

The two ends of the pull rope 30 are respectively provided with a first limiting block 66 and a second limiting block 67, the sizes of the first limiting block 66 and the second limiting block 67 are both larger than the distance between the guide wheel 63 and the limiting rod 68, so that when the two ends of the pull rope 30 slide to the universal guide wheel assembly 60, the first limiting block 66 and the second limiting block 67 can both be in limit abutting connection with the limiting rod 68, and the pull rope 30 is ensured not to be separated from the universal guide wheel assembly 60.

Referring to fig. 8, further, a thrust bearing 69b is disposed on an inner surface of a side where the U-shaped plate and the second rotating frame 64 are installed, and the thrust bearing 69b is installed on an inner surface of the guide wheel frame 65, then sleeved on a rotating shaft of the second rotating frame 64 together with the guide wheel frame 65, and installed by screwing. The thrust bearing 69b can receive a large axial force while allowing the carrier 65 to rotate, so as to increase the reliability of the universal guide wheel assembly 60.

Because the swing arm pipe 20 is unfolded outward when the integrated training apparatus 100 is used, the occupied space is large, and therefore, the swing arm pipe 20 can be stored after the training is finished. For example, the back surface (i.e., the surface close to the seat frame 12) of the backrest module 11 has accommodating spaces formed on the left and right sides, and the swing arm tube 20 can be completely accommodated in the corresponding accommodating space after rotating downward. Specifically, the backrest support 114 is located in the middle of the back pad 116 and protrudes from the back pad 116, and an accommodating space is formed between two sides of the backrest support 114 and two sides of the back pad 116. The swing arm tube 20 is accommodated in the accommodating space, and then the backrest assembly 11 can be flatly placed through the angle adjusting assembly 115, the swing arm tube 20 is shielded by the backrest support 114 and the seat frame 12, and at the moment, the appearance of the comprehensive training device 100 is similar to that of a chair, and the comprehensive training device is compact in size, small in occupied space and attractive.

With continued reference to fig. 9 and 10, in addition to folding the swing arm tube 20, the pull cord 30 needs to be stored. In some embodiments, one of the first stopper 66 and the second stopper 67 is provided with a connecting ring 69, and the other is provided with a connecting member 69a, and the connecting member 69a is detachably connected to the connecting ring 69. After the connecting piece 69a is connected with the connecting ring 69, the first limiting block 66 and the second limiting block 67 are connected and fixed, the length of the pull rope 30 is reduced, and therefore the pull rope 30 can be stored, and the pull rope 30 is prevented from scattering randomly. For example, the connecting member 69a may be provided as a snap, and the snap and the connecting ring 69 may be engaged with or disengaged from each other.

Alternatively, as an alternative to the above embodiment, a fixing member may be provided on the swing arm tube 20, and the fixing member may be used to fix the pull rope 30. The pull rope 30 can be fixed in this way, the pull rope 30 is prevented from shaking or scattering at will, and the purpose of accommodating the pull rope 30 is achieved.

Alternatively, the fixing member may be any one of a buckle, an elastic band, a hook and loop fastener, and the like.

Further, the comprehensive training device 100 further comprises a winding board 70, wherein the winding board 70 is disposed on the swing arm tube 20, and the pulling rope 30 can be wound on the winding board 70 during storage. Therefore, the winding plate 70 can wind and store the long pull rope 30, the pull rope 30 is prevented from shaking randomly, and the comprehensive training device 100 is more attractive and tidy.

With reference to fig. 11 and 12, in addition, on the basis of any of the above embodiments, an end portion of the swing arm tube 20 is provided with a mounting plate 111, the backrest assembly 11 includes a swing arm base 112 and a first positioning member 113, the mounting plate 111 is rotatably disposed on the swing arm base 112, the mounting plate 111 is provided with at least two first positioning holes 111a arranged along an arc line, the swing arm base 112 is provided with a second positioning hole 112a, and the first positioning member 113 is inserted into the second positioning hole 112a and can be inserted into any one of the first positioning holes 111a for positioning.

Therefore, the swing arm pipe 20 can be flexibly rotated to achieve the purposes of adjusting the angle and the width, and then the first positioning piece 113 is inserted into the second positioning hole 112a and the corresponding first positioning hole 111a, so that the mounting plate 111 and the swing arm seat 112 can be fixed, and the swing arm pipe 20 in a cantilever state is stable and reliable.

In addition, in still other embodiments, the mounting plate 111 is further provided with a third positioning hole 111b, when the swing arm tube 20 is rotated into the accommodating space of the backrest module 11, that is, when the swing arm tube 20 is rotated to the storage state, the third positioning hole 111b is aligned with the second positioning hole 112a, and the first positioning member 113 is fixed in the second positioning hole 112a and the third positioning hole 111 b. So can fix the swing arm pipe 20 of accomodating to 11 accommodation spaces of back subassembly to avoid swing arm pipe 20 to rock at will and produce the striking damage or cause the injury to peripheral training person.

In one embodiment, a friction plate 112b is disposed on the swing arm seat 112 and/or the mounting plate 111, and the friction plate 112b is in contact with the swing arm seat 112 or the mounting plate 111, or the friction plates 112b are in contact with each other; or the backrest module 11 further comprises a torsion spring 112c, and the torsion spring 112c is connected between the swing arm tube 20 and the swing arm seat 112. The friction resistance is provided by the friction plate 112b or the elastic torque is provided by the torsion spring 112c, so that the swing arm pipe 20 can normally rotate and potential safety hazards caused by free rotation are avoided, and the situation that the trainer is injured by smashing due to the fact that the swing arm pipe 20 quickly falls after the first positioning piece 113 is unlocked is avoided.

With continued reference to fig. 6 and 7, in addition to any of the above embodiments, the angle adjustment assembly 115 includes a support plate 115a, a rotating shaft 115b, an adjustment rod 115c, an adjustment seat 115d, a guide rail 115e, and a rolling member 115f, the support plate 115a is disposed on the seat frame 12, the backrest bracket 114 is rotatably connected to the support plate 115a through the rotating shaft 115b, a first end of the adjustment rod 115c is rotatably disposed on the backrest bracket 114, a second end of the adjustment rod 115c is rotatably disposed on the adjustment seat 115d, the guide rail 115e is disposed on the seat frame 12, and the adjustment seat 115d is movably connected to the guide rail 115e through the rolling member 115 f.

The rotating shaft 115b and the fulcrum plate 115a are rotatably installed, so that the backrest support 114 can rotate up and down relative to the seat frame 12, and the angle adjustment requirement of the backrest assembly 11 is met. In addition, the backrest bracket 114 protrudes partially from the end of the back pad 116 adjacent to the seat cushion 80, and the protruding portion is pivotally connected to the bracket 115a, so that the back pad 116 is spaced apart from the seat frame 12 to avoid interference with the rotation of the back pad 116. During the process of the up-and-down rotation of the backrest support 114, the adjusting seat 115d slides synchronously on the guide rail 115e through the rolling member 115f, so as to obliquely support the backrest support 114 and avoid safety accidents caused by the falling of the backrest support 114.

The back bracket 114 has a recess in the middle thereof, and the recess is flanked by protruding portions, in which at least a portion of the angle adjustment assembly 115 can be received when the back pad 116 is laid flat. The advantages of such a design are: on one hand, the whole structure is compact, and the space is saved; and on the other hand, the folded appearance is good, and the angle adjusting component 115 can be prevented from being exposed under the seat frame 12 when the back cushion 116 is laid flat.

In addition, a support pad 90 (e.g., a foot pad or an elastic pad for shock absorption) is provided on the seat frame 12, the support pad 90 is positioned to correspond to the protruding portions on both sides of the recess of the backrest support 114, the support pad 90 abuts against the protruding portions on both sides of the recess of the backrest support 114 when the back pad 116 is laid flat for supporting the back pad 116, and two support pads 90 may be provided.

Alternatively, the rolling members 115f are roller shafts, balls, rollers, or the like. For example, in this embodiment, the rolling element 115f is a roller shaft, the guide rail 115e is provided with a guide hole penetrating transversely, the adjusting seat 115d is disposed above the guide rail 115e, the roller shaft penetrates through the guide hole, and both ends of the roller shaft extend out of the guide hole and are connected with the adjusting seat 115 d.

Further, the angle adjusting assembly 115 further includes a second positioning element 115g, the adjusting base 115d is provided with a fourth positioning hole 115h, the guide rail 115e is provided with at least two fifth positioning holes 115i arranged at intervals along the moving direction of the adjusting base 115d, and the second positioning element 115g is inserted into the fourth positioning hole 115h and can be inserted into any one of the fifth positioning holes 115i for positioning. Thus, after the backrest support 114 is adjusted to the required angle, the backrest support 114 can be fixed at the current angle and pose, and the back support of the trainer is ensured to be reliable.

With reference to fig. 13, in the above embodiment, the second positioning element 115g includes a housing 1151g, a latch 1152g, an elastic element and a handle 1153g, the latch 1152g is movably disposed on the housing 1151g and at least partially exposed out of the housing 1151g, the elastic element is disposed in the housing 1151g and connected to the latch 1152g, the latch 1152g has a force of extending to the outside of the housing 1151g under the elastic force of the elastic element, and the handle 1153g is movably disposed on the housing 1151g and connected to the latch 1152 g.

When the angle of the backrest assembly 11 needs to be adjusted, the handle 1153g can be pulled to drive the locking pin 1152g to retract into the housing 1151g under the action of the elastic member, at this time, the second positioning member 115g releases the locking of the fourth positioning hole 115h and the fifth positioning hole 115i, the adjusting seat 115d can slide to the position needing to be adjusted along the guide rail 115e, at this time, the fourth positioning hole 115h is aligned with the fifth positioning hole 115i in the corresponding position, and after the handle 1153g is released, the locking pin 1152g can be sprung into the fourth positioning hole 115h and the fifth positioning hole 115i under the action of the elastic member to fix the angle of the backrest assembly 11. In addition, since the second positioning element 115g is an elastic pin, even if the handler does not pull the handle 1153g all the time, the locking pin 1152g will be popped into the fourth positioning hole 115h and the fifth positioning hole 115i after the fourth positioning hole 115h is aligned with any one of the fifth positioning holes 115i, so that the locking pin 1152g can be automatically and quickly inserted into the current fifth positioning hole 115i to fix the backrest frame 114 under the elastic force of the elastic element no matter which fifth positioning hole 115i the second positioning element 115g is aligned with, thereby preventing the backrest frame 114 from being accidentally dropped suddenly and injuring the handler.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. An exercise arm, comprising:

a swing arm pipe; and

the universal guide wheel assembly comprises a first rotating frame, a second rotating frame and a guide wheel frame, wherein the first rotating frame is rotatably arranged on the swing arm pipe, the second rotating frame is rotatably connected with the first rotating frame, and the guide wheel frame is rotatably connected with the second rotating frame so that the universal guide wheel assembly has three rotational degrees of freedom in different directions.

2. The training arm of claim 1, wherein the plane of the center line of rotation of the first turret intersects the plane of the center line of rotation of the second turret;

and the plane of the rotation center line of the guide wheel frame is intersected with the plane of the rotation center line of the first rotating frame and the plane of the rotation center line of the second rotating frame.

3. The training arm of claim 2, wherein the center line of rotation of the first turret is perpendicular to the center line of rotation of the second turret;

the rotating center line of the guide wheel frame is perpendicular to the rotating center line of the second rotating frame;

the rotating center line of the guide wheel frame and the rotating center line of the first rotating frame form an included angle, and the included angle is an acute angle, a right angle or an obtuse angle.

4. The training arm as claimed in claim 1, wherein the universal guide wheel assembly further comprises a wheel shaft and a guide wheel, the wheel shaft is disposed on the swing arm tube, the first rotating frame is rotatably connected with the wheel shaft, and the guide wheel is rotatably disposed on the guide wheel frame.

5. The training arm as claimed in claim 4, further comprising a pull cord movably wound around the guide wheel, wherein a first end of the pull cord is adapted to be connected to the gripping member and a second end of the pull cord is adapted to be connected to the resistance source.

6. A training arm as claimed in claim 5, wherein the guide wheel frame is provided with a mounting cavity, a limiting rod is arranged in the mounting cavity, a first limiting block and a second limiting block are respectively arranged at two ends of the pull rope, a certain distance is kept between the limiting rod and the guide wheel, and the distance is smaller than the size of the first limiting block and the size of the second limiting block.

7. Training arm according to claim 6, characterized in that one of the first and second limit blocks is provided with a connecting ring and the other is provided with a connecting piece which is detachably connected with the connecting ring.

8. The training arm as claimed in claim 5, wherein said swing arm tube is of a telescopic construction, such that the length of said swing arm tube is adjustable; the swing arm pipe is provided with a fixing piece, and the fixing piece is used for fixing the pull rope; or the like, or, alternatively,

the training arm is provided with a winding board, and the winding board is used for winding and accommodating the pull rope.

9. The training arm as claimed in claim 4, wherein the inner surface of the side of the second rotating frame where the wheel frame is installed is provided with a thrust bearing, and the thrust bearing and the wheel frame are sleeved on the rotating shaft of the second rotating frame.

10. An integrated training apparatus comprising a training arm according to any of claims 1 to 9.

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