CN219072000U - Self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device - Google Patents

Abstract

The application discloses from power generation and adjustable both arms of solar energy combined resistance stretch trainer, including body frame and cushion frame, the body frame includes the holding chamber, holding intracavity detachably fixedly connected with is from power generation resistance providing mechanism, from power generation resistance providing mechanism includes the mount, the mount rotates respectively and is connected with the driving shaft, first driven shaft and second driven shaft, the reciprocating rotation of driving shaft drives first driven shaft unidirectional rotation, first driven shaft is fixed to have cup jointed first driven sprocket, second driven shaft is fixed to have cup jointed second driven sprocket and from power generation motor, the diameter of first driven sprocket is greater than the diameter of second driven sprocket. The orthographic projection part of one side, which is connected with the second driven shaft at the fixing frame, of the self-generating motor is overlapped through the first driven sprocket, so that the distance between the first driven shaft and the second driven shaft is reduced, the structure of the self-generating resistance providing mechanism is more compact, and the volume of the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device is reduced.

Description

Self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device

Technical Field

The utility model relates to the field of body-building equipment, in particular to the field of outdoor body-building equipment, and particularly relates to a self-generating and solar energy combined resistance-adjustable double-arm bending and stretching training device.

Background

Along with the development of the economy in China, the living standard of people is continuously improved, and people except for the food and the food, keep on the exercise health of the people. In order to advocate the concept of sports health, an arm bending and stretching training device is installed in more places such as parks, squares, sports centers and playgrounds. The arm bending and stretching training device can adopt the self-generating machine as a resistance source, the self-generating machine can provide resistance and convert kinetic energy into electric energy, and the electric energy is supplied to an electronic instrument of the arm bending and stretching training device.

The existing self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device has the defects that the structure is scattered and is not compact enough, and the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device is large in size.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings of the prior art, it is desirable to provide a self-generating and solar energy combined resistance adjustable dual arm flexion and extension exercise device that is compact.

In a first aspect, the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device comprises a main frame and a cushion frame, wherein the main frame comprises a containing cavity, a self-generating resistance providing mechanism is detachably and fixedly connected in the containing cavity and comprises a fixing frame, the fixing frame is respectively and rotatably connected with a driving shaft, a first driven shaft and a second driven shaft, the driving shaft reciprocally rotates to drive the first driven shaft to rotate in one direction, the first driven shaft is fixedly sleeved with a first driven sprocket, the second driven shaft is fixedly sleeved with a second driven sprocket and a self-generating motor, the diameter of the first driven sprocket is larger than that of the second driven sprocket,

the first driven sprocket and the second driven sprocket are driven by a first chain to synchronously rotate the first driven shaft and the second driven shaft,

the front projection part of the first driven sprocket and the self-generating machine on one side of the fixing frame connected with the second driven shaft is overlapped,

the cushion frame is fixed on one side of the main frame, the cushion frame is detachably and fixedly connected with a cushion, one side of the main frame facing the cushion frame is fixedly connected with a display screen,

one end fixedly connected with first swing arm of driving shaft, the other end fixedly connected with second swing arm of driving shaft, first swing arm is close to one side fixedly connected with first annular handle of cushion frame, first annular handle includes the first portion of gripping that two at least intervals set up, the second swing arm is close to one side fixedly connected with second annular handle of cushion frame, the second annular handle includes the second portion of gripping that two at least intervals set up, first portion of gripping with the second portion of gripping is located cushion frame both sides.

According to the technical scheme that this application embodiment provided, through first driven sprocket and from the orthographic projection part overlap of the one side that the generator is connected with the second driven shaft at the mount for distance between first driven shaft and the second driven shaft diminishes, makes from the structure compacter that the generating resistance provided the mechanism, thereby has reduced from the volume of generating electricity and solar energy combined resistance adjustable both arms training device that bends.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a front view of a dual-arm flexion and extension exercise device with adjustable resistance combined with self-power generation and solar energy according to an embodiment of the present utility model;

FIG. 2 is a top view of a dual-arm flexion and extension exercise device with adjustable resistance combined with self-power generation and solar energy according to an embodiment of the present utility model;

FIG. 3 is a perspective view of a dual-arm flexion and extension exercise device with adjustable resistance combined with self-power generation and solar energy according to an embodiment of the present utility model;

FIG. 4 is a perspective view of a dual-arm flexion and extension exercise device with adjustable resistance combined with self-power generation and solar energy according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a dual-arm flexion and extension training device with adjustable resistance combined with self-power generation and solar energy according to an embodiment of the present utility model, wherein the first housing and the second housing are removed;

FIG. 6 is a schematic diagram of a self-generating and solar energy combined resistance adjustable dual-arm flexion and extension training device according to an embodiment of the present utility model, with the first housing and the second housing removed;

FIG. 7 is a front view of a self-generating resistance providing mechanism of a self-generating and solar energy combined resistance adjustable dual-arm 5 flexion and extension training device according to an embodiment of the present utility model;

FIG. 8 is a top view of a self-generating resistance providing mechanism of a self-generating and solar energy combined resistance adjustable dual-arm flexion and extension exercise device according to an embodiment of the present utility model;

FIG. 9 is a perspective view of a self-generating resistance providing mechanism of a self-generating and solar energy combined resistance adjustable dual-arm flexion and extension exercise device according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of a third chain transmission structure of a dual-arm flexion and extension training device with adjustable self-power generation and solar energy combined resistance according to an embodiment of the present utility model;

fig. 11 is a schematic diagram of a first chain and a second chain transmission structure of a dual-arm bending and stretching training device with adjustable self-generating and solar energy combined resistance according to an embodiment of the utility model.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

0, it should be noted that, in the case of no conflict, the embodiments and examples in the present application

May be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 11, the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device of the utility model comprises a main frame 300 and a cushion frame 600, wherein the main frame 300 comprises a containing cavity 310,5, a self-generating resistance providing mechanism 1000 is detachably and fixedly connected in the containing cavity 310, and the self-generating resistance providing mechanism is a self-generating device

The resistance providing mechanism 1000 includes a fixing frame 100, the fixing frame 100 is rotatably connected with a driving shaft 210, a first driven shaft 211 and a second driven shaft 212, the driving shaft 210 reciprocally rotates to drive the first driven shaft 211 to rotate unidirectionally, the first driven shaft 211 is fixedly sleeved with a first driven sprocket 240, the second driven shaft 212 is fixedly sleeved with a second driven sprocket 241 and a self-generating motor 213,0, the diameter of the first driven sprocket 240 is larger than that of the second driven sprocket 241, the first driven sprocket 240 and the second driven sprocket 241 are driven by a first chain 242 to enable the first driven shaft 211 and the second driven shaft 212 to rotate synchronously, the first driven sprocket 240 overlaps with a front projection part of the self-generating motor 213 on the side of the fixing frame 100 connected with the second driven shaft 212, the cushion frame 600 is fixed in body frame 300 one side, cushion frame 600 detachably fixedly connected with cushion 610, body frame 300 is towards cushion frame 600's one side fixedly connected with display screen 320, the first swing arm 410 of one end fixedly connected with of driving shaft 210, driving shaft 210's the other end fixedly connected with second swing arm 510, first swing arm 410 is close to cushion frame 600's one side fixedly connected with first annular handle 420, first annular handle 420 includes the first portion of gripping 421 of two at least interval settings, second swing arm 510 is close to cushion frame 600's one side fixedly connected with second annular handle 520, second annular handle 520 includes the second portion of gripping 521 of two at least interval settings, first portion of gripping 421 and second portion of gripping 521 are located cushion frame 600 both sides.

In the embodiment of the utility model, the main frame and the cushion frame are respectively fixed on the ground to ensure the reliability and stability of the self-generating and solar energy combined resistance-adjustable double-arm bending and stretching training device. The main frame comprises a containing cavity, and the self-generating resistance providing mechanism is arranged in the containing cavity and can play a role in protecting the resistance providing mechanism. The cushion frame is detachably and fixedly connected with a cushion, and when a user uses the self-generating and solar energy combined resistance-adjustable double-arm bending and stretching training device for training, the cushion can support buttocks of the user. The main frame is fixedly connected with a display screen, and the display screen can display information such as training times, consumed calories, heart rate and the like of a user.

The driving shaft is fixedly connected with a first swing arm and a second swing arm, the first swing arm is fixedly connected with a first annular handle, the second swing arm is fixedly connected with a second annular handle, when a user performs arm bending and stretching training, one hand grabs the first annular handle, the other hand grabs the second annular handle, the first swing arm and the second swing arm are driven to swing synchronously, that is, the driving shaft is driven to rotate, and the self-generating resistance providing mechanism provides resistance for the first swing arm and the second swing arm to swing. The first annular handle and the second annular handle can be respectively provided with a handle sleeve, so that a user can conveniently grasp the first annular handle and the second annular handle.

The user grasps the first ring-shaped handle by grasping the first grasping portion and grasps the second ring-shaped handle by grasping the second grasping portion. The first annular handle is provided with a plurality of first gripping portions, and the second annular handle is provided with a plurality of second gripping portions. The user can grasp different first gripping parts and second gripping parts according to the training demand to when changing the arm and bending and stretching training, the distance between two arms makes from power generation and solar energy combined resistance adjustable both arms bend and stretch trainer can satisfy multiple training demand.

The first annular handle and the second annular handle are formed by bending straight pipes, so that the first annular handle and the second annular handle can be conveniently machined and manufactured.

The mount is used for supporting whole self-generating resistance and provides the mechanism, and driving shaft, first driven shaft and second driven shaft rotate with the mount respectively and are connected, can realize rotating through the bearing but not limited to and connect, have reduced the frictional force that receives in the rotation in-process of driving shaft, first driven shaft and second driven shaft. When the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device is used by a user, the first swing arm and the second swing arm are driven to swing through the arm bending and stretching action, namely the driving shaft is driven to rotate in a reciprocating mode.

The first driven shaft and the second driven shaft move following the movement of the driving shaft. Specifically, the driving shaft reciprocates to drive the first driven shaft to rotate unidirectionally, that is, no matter the driving shaft rotates clockwise or anticlockwise, the driving shaft can only drive the first driven shaft to rotate unidirectionally clockwise or anticlockwise, the first driven shaft and the second driven shaft synchronously rotate, and the first driven shaft rotates unidirectionally to drive the second driven shaft to rotate unidirectionally. And resistance exists when the self-generating motor on the second driven shaft rotates, so that the resistance is provided for the reciprocating swing of the driving shaft. In the process that the driving shaft drives the self-generating motor to rotate unidirectionally, the self-generating motor can generate electric energy, the self-generating motor can be electrically connected with the storage battery, the storage battery is charged by the electric energy generated by the self-generating motor, and the electric energy is stored. When the user carries out muscle training's in-process, drive driving shaft reciprocating swing, drive first driven shaft and the unidirectional rotation of second driven shaft, drive from generating motor unidirectional rotation promptly, from generating motor can not carry out motion switching-over in training in-process, can avoid from generating motor switching-over the time because inertia causes the driving shaft to appear rotating to pause, promoted user's training experience.

The first driven shaft is fixedly sleeved with a first driven sprocket, the first driven sprocket and the first driven shaft are concentrically arranged, and the first driven sprocket rotates along with the first driven shaft. The second driven shaft is fixedly sleeved with a second driven sprocket, the second driven sprocket and the second driven shaft are concentrically arranged, and the second driven sprocket rotates along with the second driven shaft. The first driven sprocket and the second driven sprocket are driven by the first chain, and the first driven sprocket and the second driven sprocket are contacted with the inner side of the first chain, namely the first driven sprocket and the second driven sprocket synchronously rotate in the same direction, namely the first driven shaft and the second driven shaft synchronously rotate in the same direction.

The diameter of the first driven sprocket is larger than that of the second driven sprocket, and the first driven shaft rotates by a small angle, so that the second driven shaft can be driven to rotate by a large angle. That is, the driving shaft can drive the self-generating motor to rotate by a larger angle without swinging to a large extent.

The orthographic projection part of one side of the first driven sprocket and the self-generating motor connected with the second driven shaft at the fixing frame is overlapped, so that the distance between the first driven shaft and the second driven shaft is reduced, the self-generating resistance providing mechanism is more compact in structure, and the volume of the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device is reduced.

When the self-generating and solar energy combined resistance-adjustable double-arm bending and stretching training device is used for arm bending and stretching training, a user presses down the first annular handle and the second annular handle or lifts the first annular handle and the second annular handle, and the self-generating resistance providing mechanism provides resistance, so that bidirectional training is realized on arm bending and stretching actions.

The self-generating generator is electrically connected with the storage battery, and the storage battery is charged by utilizing the electric energy generated by the self-generating generator, so that the electric energy is stored. The storage battery can supply power for electric equipment such as meters of the double-arm bending and stretching training device with adjustable self-power generation and solar energy combined resistance. The solar panel can convert solar energy into electric energy, and the solar panel is utilized to generate electricity and charge the storage battery. The self-power generation and solar power supply are combined, and the storage battery can supply power for electric equipment stably.

The resistance adjusting buttons can be arranged on the first annular handle and the second annular handle, and when a user performs muscle training, the rotating resistance of the self-generating motor can be adjusted by pressing the resistance adjusting buttons, namely the swinging resistance of the swing arm is adjusted, namely the training resistance is adjusted, so that different training requirements of the user are met. The principle of adjusting the rotation resistance of the self-generating motor by the resistance adjusting button is described in detail below, the resistance adjusting button is connected with an adjustable resistor, the adjustable resistor is connected with the self-generating motor coils in series, and the resistance of the self-generating motor is adjusted by adjusting the resistance of the adjustable resistor connected between the self-generating motor coils in series.

Further, the main frame 300 includes a first upright 311, a second upright 312, a first transverse column 313 and a second transverse column 314, the first upright 311, the second upright 312, the first transverse column 313 and the second transverse column 314 enclose to form a containing cavity 310, one side of the main frame 300 is detachably and fixedly connected with a first housing 330, the other side of the main frame 300 is detachably and fixedly connected with a second housing 340, and the first housing 330 and the second housing 340 seal the containing cavity 310.

In the embodiment of the utility model, the main frame comprises the first upright post, the second upright post, the first transverse post and the second transverse post, so that the main frame structure is more stable.

One side of the main frame is detachably and fixedly connected with a first housing, the other side of the main frame is detachably and fixedly connected with a second housing, the first housing and the second housing seal the accommodating cavity, on one hand, external dust or sundries are prevented from entering the accommodating cavity, normal operation of the self-generating resistance providing mechanism is influenced, and the service life of the self-generating resistance providing mechanism is prolonged; on the other hand, the contact between the user and the self-generating resistance providing mechanism is avoided, and the personal safety of the user is ensured.

Further, a first sealing strip 331 is disposed between the first casing 330 and the main frame 300, and a second sealing strip 341 is disposed between the second casing 340 and the main frame 300. The first sealing strip can further improve the sealing performance of the contact part of the first housing and the main frame. The second sealing strip can further improve the sealing performance of the contact part of the second housing and the main frame.

Further, the driving shaft 210 passes through the first housing 330 and the second housing 340 respectively, the driving shaft 210 is sleeved with the first sealing ring 332 and the second sealing ring 342, the first sealing ring 332 is located in the accommodating cavity 310 and abuts against the first housing 330, and the second sealing ring 342 is located in the accommodating cavity 310 and abuts against the second housing 340.

In an embodiment of the utility model, the drive shaft passes through the first housing for facilitating connection of the drive shaft with the first swing arm. The driving shaft is sleeved with a first sealing ring, the first sealing ring is positioned in the accommodating cavity and props against the first housing, and the sealing performance of the driving shaft penetrating through the first housing is guaranteed by the first sealing ring. The driving shaft penetrates through the second housing, and the driving shaft is convenient to be connected with the second swing arm. The driving shaft is sleeved with a second sealing ring, the second sealing ring is positioned in the accommodating cavity and props against the second housing, and the sealing performance of the driving shaft penetrating through the second housing is guaranteed by the second sealing ring.

Further, the second cross post 314 is fixedly connected with the first leg 316, the second upright post 312 extends toward the ground to form the second leg 315, and the cushion frame 600 is fixedly connected with the second upright post 312.

In the embodiment of the utility model, the first support leg, the second support leg and the cushion frame can support the whole self-power generation and solar energy combined resistance adjustable double-arm bending and stretching training device, so that the stability of the self-power generation and solar energy combined resistance adjustable double-arm bending and stretching training device is ensured. The cushion frame is fixedly connected with the second upright post, so that the stability of the whole frame is ensured.

Further, the first swing arm 410 is fixedly connected with a first fixed sleeve 430, the driving shaft 210 passes through the first fixed sleeve 430, the driving shaft 210 is connected with the first fixed sleeve 430 through a key, the second swing arm 510 is fixedly connected with a second fixed sleeve 530, the driving shaft 210 passes through the second fixed sleeve 530, and the driving shaft 210 is connected with the second fixed sleeve 530 through a key. The first swing arm is fixedly connected with the driving shaft through the first fixing sleeve, and the driving shaft is connected with the first fixing sleeve through a key, so that the assembly is facilitated. The second swing arm is fixedly connected with the driving shaft through the second fixing sleeve, and the driving shaft is connected with the second fixing sleeve through a key, so that the assembly is facilitated.

Further, the first swing arm 410 is fixedly connected with a first balance weight 440, the first fixing sleeve 430 is located between the first balance weight 440 and the first handle 420, the second swing arm 510 is fixedly connected with a second balance weight 540, and the second fixing sleeve 530 is located between the second balance weight 540 and the second handle 520. The first balancing piece can balance the gravity of first swing arm, and the second balancing piece can balance the gravity of second swing arm for the user trains more smoothly.

Further, the first swing arm 410 includes a first connecting portion 411, a first bending portion 412 and a second connecting portion 413 connected in sequence, the second swing arm 510 includes a third connecting portion 511, a second bending portion 512 and a fourth connecting portion 513 connected in sequence, the first connecting portion 411 and the third connecting portion 511 are fixedly connected with the driving shaft 210 respectively, the first connecting portion 411 is parallel to the third connecting portion 511, the second connecting portion 413 is parallel to the fourth connecting portion 513, the second connecting portion 413 is fixedly connected with the first handle 420, the fourth connecting portion 513 is fixedly connected with the second handle 520, and a distance between the second connecting portion 413 and the fourth connecting portion 513 is greater than a distance between the first connecting portion 41 and the third connecting portion 511.

In the embodiment of the utility model, the first bending part enables the second connecting part to be expanded, the second bending part enables the fourth connecting part to be expanded, and when a user trains, the first swing arm and the second swing arm are prevented from touching the body of the user, so that the personal safety of the user is ensured.

Further, the cushion frame 600 is fixedly connected with a cushion pipe 620, and the cushion pipe 620 is located between the cushion 610 and the main frame 300.

In the embodiment of the utility model, by arranging the cushion tube, a user can prop the leg against the cushion tube when performing arm bending and stretching training, so that the follow-up of lower limbs is avoided, and the effect of the arm bending and stretching training is ensured.

Further, the adjacent first holding portions 421 are connected by a fifth connecting portion 422, the first holding portion 421 adjacent to the first swing arm 410 is connected to the first swing arm 410 by a sixth connecting portion 423, the adjacent second holding portions 521 are connected by a seventh connecting portion 522, and the second holding portion 521 adjacent to the second swing arm 510 is connected to the second swing arm 510 by an eighth connecting portion 523.

In an embodiment of the present utility model, the first ring-shaped handle is provided with two first holding portions, and two adjacent first holding portions are connected by a fifth connecting portion. The first holding part close to the first swing arm is connected with the first swing arm through a sixth connecting part. The sixth connecting part can be inserted into the first swing arm and welded and fixed with the first swing arm, so that the reliability of the connection between the first annular handle and the first swing arm is ensured.

The second annular handle is provided with two second holding parts, and the two adjacent second holding parts are connected through a seventh connecting part. The second holding part close to the second swing arm is connected with the second swing arm through an eighth connecting part. The eighth connecting part can be inserted into the second swing arm and welded and fixed with the second swing arm, so that the reliability of the connection between the second annular handle and the second swing arm is ensured.

Further, the driving shaft 210 is fixedly sleeved with the first driving sprocket 220 and the second driving sprocket 230, the first driven shaft 211 is fixedly sleeved with the first unidirectional sprocket 221 and the second unidirectional sprocket 231, the sliding directions of the first unidirectional sprocket 221 and the second unidirectional sprocket 231 are the same, the first driving sprocket 220 and the first unidirectional sprocket 221 are driven by the second chain 222, the second driving sprocket 230 and the second unidirectional sprocket 231 are driven by the third chain 232, and the first unidirectional sprocket 221 and the second unidirectional sprocket 231 synchronously rotate reversely.

In the embodiment of the utility model, the first driven shaft is fixedly sleeved with the first unidirectional sprocket and the second unidirectional sprocket, the slip directions of the first unidirectional sprocket and the second unidirectional sprocket are the same, and when the first unidirectional sprocket and the second unidirectional sprocket rotate along the slip direction, the first unidirectional sprocket and the second unidirectional sprocket can not drive the first driven shaft to rotate; when the first unidirectional sprocket and the second unidirectional sprocket rotate along the direction opposite to the slip direction, the first unidirectional sprocket and the second unidirectional sprocket can drive the first driven shaft to rotate. The first unidirectional sprocket and the second unidirectional sprocket may, but are not limited to, be of a ratchet-type structure.

The slip directions of the first unidirectional sprocket and the second unidirectional sprocket are the same, and are opposite to the rotation direction of the self-generating motor, the first unidirectional sprocket and the second unidirectional sprocket synchronously rotate reversely, so that at least one of the first unidirectional sprocket and the second unidirectional sprocket can be ensured to drive the first driven shaft to rotate, and the self-generating motor is driven to rotate. The slip direction of the first unidirectional sprocket and the second unidirectional sprocket is taken as a counter-clockwise direction, the rotation direction of the self-generating motor is taken as a clockwise direction for explanation in detail, when the driving shaft rotates clockwise, the first unidirectional sprocket is driven to rotate clockwise and the second unidirectional sprocket rotates anticlockwise, the first unidirectional sprocket rotates clockwise to drive the first driven shaft to rotate clockwise, and then the second driven shaft and the self-generating motor are driven to rotate clockwise, at the moment, the second unidirectional sprocket rotates anticlockwise and slips, and the second unidirectional sprocket cannot drive the first driven shaft to rotate; when the driving shaft rotates anticlockwise, the first unidirectional sprocket is driven to rotate anticlockwise and the second unidirectional sprocket rotates clockwise, the second unidirectional sprocket rotates clockwise to drive the first driven shaft to rotate clockwise, the second driven shaft is driven to rotate clockwise and the self-generating motor is driven to rotate clockwise, at the moment, the first unidirectional sprocket rotates anticlockwise and slips, the first unidirectional sprocket cannot drive the first driven shaft to rotate, the driving shaft is driven to rotate in a reciprocating mode, and the second driven shaft and the self-generating motor are driven to rotate in a unidirectional mode.

Further, the outer diameter of the first driving sprocket 220 is equal to the outer diameter of the second driving sprocket 230, and the outer diameter of the first unidirectional sprocket 221 is equal to the outer diameter of the second unidirectional sprocket 231.

In an embodiment of the utility model, the outer diameter of the first drive sprocket is equal to the outer diameter of the second drive sprocket and the outer diameter of the first unidirectional sprocket is equal to the outer diameter of the second unidirectional sprocket. The transmission ratio between the first unidirectional sprocket and the first driving sprocket is guaranteed to be the same as the transmission ratio between the second unidirectional sprocket and the second driving sprocket, so that the driving shaft can be subjected to constant force when in reciprocating rotation, and the stability of muscle training is guaranteed.

Further, the front projection of the first driving sprocket 220 and the front projection of the first driven sprocket 240 on the side where the second driven shaft 212 is connected to the fixing frame 100 overlap, and the front projection of the second driving sprocket 230 and the front projection of the first driven sprocket 240 on the side where the second driven shaft 212 is connected to the fixing frame overlap.

In the embodiment of the utility model, the orthographic projection part of the first driving sprocket and the orthographic projection part of the first driven sprocket on the side, connected with the second driven shaft, of the fixing frame are overlapped, and the orthographic projection part of the second driving sprocket and the orthographic projection part of the first driven sprocket on the side, connected with the second driven shaft, of the fixing frame are overlapped, so that the distance between the first driven shaft and the driving shaft is reduced, the structure of the self-generating resistance providing mechanism is more compact, and the volume of the self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device is reduced.

Further, the second chain 222 is bypassing the first unidirectional sprocket 221 and the third chain 232 is bypassing the second unidirectional sprocket 231.

In an embodiment of the utility model, the second chain is bypassing the first unidirectional sprocket, where forward winding means that the first unidirectional sprocket is in contact with the inner side of the second chain, enabling synchronous co-rotation of the first unidirectional sprocket with the first drive sprocket. The third chain reversely winds the second unidirectional sprocket, wherein the reverse winding means that the second unidirectional sprocket contacts with the outer side of the third chain, so that the second unidirectional sprocket and the second driving sprocket synchronously reversely rotate. And the first driving sprocket and the second driving sprocket are sleeved and fixed on the driving shaft, and the driving shaft can drive the first driving sprocket and the second driving sprocket to synchronously and equidirectionally rotate, so that the first unidirectional sprocket and the second unidirectional sprocket can synchronously and reversely rotate.

Further, the fixing frame 100 is rotatably connected with a first tensioning sprocket 234 and a second tensioning sprocket 235, the second driving sprocket 230, the first tensioning sprocket 234 and the second tensioning sprocket 235 respectively abut against the inner side of the third chain 232, and the second unidirectional sprocket 231 abuts against the outer side of the third chain 232.

In an embodiment of the utility model, the first and second tensioning sprockets function to tension the third chain. Meanwhile, the first tensioning chain wheel and the second tensioning chain wheel can change the trend of the third chain, so that the outer side of the third chain can stably bypass the second unidirectional chain wheel, movement interference between the third chain and other structures of the self-generating resistance providing mechanism is avoided, and the stability of transmission is ensured.

Further, the first tensioning sprocket 234 is located above the self-generator 213, the second tensioning sprocket 235 is located below the second unidirectional sprocket 231, and the orthographic projection of the second tensioning sprocket 235 onto the first driven sprocket 240 is located within the first driven sprocket 240.

In the embodiment of the utility model, the positions of the first tensioning sprocket and the second tensioning sprocket are reasonably distributed, so that the structure of the self-generating resistance providing mechanism is more compact.

Further, the first driving sprocket 220 is provided with a first limiting hole 223, the second driving sprocket 230 is provided with a second limiting hole 233, the first limiting hole 223 faces the second limiting hole 233, the fixing frame 100 is detachably and fixedly connected with the limiting rod 150, and the limiting rod 150 penetrates through the first limiting hole 223 and the second limiting hole 233.

In the embodiment of the utility model, the shapes and the sizes of the first limiting hole and the second limiting hole are the same, and the first limiting hole and the second limiting hole are arc waist holes, so that the limiting rod can conveniently pass through. The limiting rod passes through the first limiting hole and the second limiting hole, and when the driving shaft reciprocally rotates, the two ends of the first limiting hole and the second limiting hole can limit the rotation range of the limiting rod, namely the rotation range of the driving shaft, so that the personal safety of a user is ensured.

Further, a battery is electrically connected to the self-generator 213.

In the embodiment of the utility model, the self-generating generator is electrically connected with the storage battery, and the storage battery is charged by utilizing the electric energy generated by the self-generating generator, so that the electric energy is stored. The storage battery can supply power for electric equipment such as meters of the double-arm bending and stretching training device with adjustable self-power generation and solar energy combined resistance. Naturally, a solar panel can also be arranged, and the solar panel is utilized to generate electricity and charge the storage battery.

Further, the fixing frame 100 includes a first fixing plate 110 and a second fixing plate 120 opposite to each other and disposed at intervals, a plurality of positioning rods 140 are disposed between the first fixing plate 110 and the second fixing plate 120, one end of each positioning rod 140 is detachably and fixedly connected with the first fixing plate 110, the other end of each positioning rod 140 is detachably and fixedly connected with the second fixing plate 120, and a first driven member

The sprocket 240, the second driven sprocket 241 and the self-generator 213 are located between the first and second fixed plates 1105 and 120.

In the embodiment of the utility model, the first driven sprocket, the second driven sprocket and the self-generating motor are positioned between the first fixing plate and the second fixing plate, and the first fixing plate and the second fixing plate can play a role in protection. A plurality of positioning rods are arranged between the first fixed plate and the second fixed plate,

the plurality of locating rods can play a role in supporting the first fixing plate and the second fixing plate, so that the first 0 fixing plate and the second fixing plate are kept parallel to each other and are stably connected. One end of the positioning rod is connected with the first

The fixed plate is detachably and fixedly connected, and can be connected with the first fixed plate through bolts by the positioning rod without limitation, and the structure is simple and reliable. The other end of the positioning rod is detachably and fixedly connected with the second fixing plate, and the positioning rod is connected with the second fixing plate through bolts, so that the positioning rod is simple and reliable in structure.

5 the above description is only of the preferred embodiments of the present application and of the technical principles applied

Is bright. It will be appreciated by persons skilled in the art that the scope of the utility model described in this application is not limited to the specific combinations of features described above, but is intended to cover all such features or equivalents thereof without departing from the spirit of the utility model

Any combination of the above technical solutions. Such as the above features and the technical features disclosed in the present application (but not limited to 0) having similar functions are replaced with each other.

Claims (10)

1. The utility model provides a self-generating and solar energy combined resistance adjustable double arm bending and stretching training device, which is characterized by comprising a main frame and a cushion frame, wherein the main frame comprises a containing cavity, a self-generating resistance providing mechanism is detachably and fixedly connected in the containing cavity and comprises a fixing frame, the fixing frame is respectively and rotatably connected with a driving shaft, a first driven shaft and a second driven shaft, the driving shaft reciprocally rotates to drive the first driven shaft to rotate unidirectionally, the first driven shaft is fixedly sleeved with a first driven sprocket, the second driven shaft is fixedly sleeved with a second driven sprocket and a self-generating motor, the diameter of the first driven sprocket is larger than that of the second driven sprocket,

the first driven sprocket and the second driven sprocket are driven by a first chain to synchronously rotate the first driven shaft and the second driven shaft,

the front projection part of the first driven sprocket and the self-generating machine on one side of the fixing frame connected with the second driven shaft is overlapped,

the cushion frame is fixed on one side of the main frame, the cushion frame is detachably and fixedly connected with a cushion, one side of the main frame facing the cushion frame is fixedly connected with a display screen,

one end fixedly connected with first swing arm of driving shaft, the other end fixedly connected with second swing arm of driving shaft, first swing arm is close to one side fixedly connected with first annular handle of cushion frame, first annular handle includes the first portion of gripping that two at least intervals set up, the second swing arm is close to one side fixedly connected with second annular handle of cushion frame, the second annular handle includes the second portion of gripping that two at least intervals set up, first portion of gripping with the second portion of gripping is located cushion frame both sides.

2. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 1, wherein the main frame comprises a first upright post, a second upright post, a first transverse post and a second transverse post, the first upright post, the second upright post, the first transverse post and the second transverse post are enclosed to form the accommodating cavity, one side of the main frame is detachably and fixedly connected with a first housing, the other side of the main frame is detachably and fixedly connected with a second housing, and the first housing and the second housing are used for sealing the accommodating cavity.

3. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 2, wherein a first sealing strip is arranged between the first housing and the main frame, and a second sealing strip is arranged between the second housing and the main frame.

4. The self-generating and solar energy combined resistance-adjustable double-arm bending and stretching training device according to claim 2, wherein the driving shaft penetrates through the first housing and the second housing respectively, the driving shaft is sleeved with a first sealing ring and a second sealing ring, the first sealing ring is located in the containing cavity and props against the first housing, and the second sealing ring is located in the containing cavity and props against the second housing.

5. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 2, wherein the second cross column is fixedly connected with a first supporting leg, the second stand column extends to the ground to form a second supporting leg, and the cushion frame is fixedly connected with the second stand column.

6. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 1, wherein the first swing arm is fixedly connected with a first fixed sleeve, the driving shaft penetrates through the first fixed sleeve, the driving shaft is connected with the first fixed sleeve through a key, the second swing arm is fixedly connected with a second fixed sleeve, the driving shaft penetrates through the second fixed sleeve, and the driving shaft is connected with the second fixed sleeve through a key.

7. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 6, wherein the first swing arm is fixedly connected with a first balance block, the first fixed sleeve is positioned between the first balance block and the first annular handle, the second swing arm is fixedly connected with a second balance block, and the second fixed sleeve is positioned between the second balance block and the second annular handle.

8. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 1, wherein the first swing arm comprises a first connecting part, a first bending part and a second connecting part which are sequentially connected, the second swing arm comprises a third connecting part, a second bending part and a fourth connecting part which are sequentially connected, the first connecting part and the third connecting part are respectively fixedly connected with the driving shaft, the first connecting part is parallel to the third connecting part, the second connecting part is parallel to the fourth connecting part, the second connecting part is fixedly connected with the first annular handle, the fourth connecting part is fixedly connected with the second annular handle, and the distance between the second connecting part and the fourth connecting part is larger than the distance between the first connecting part and the third connecting part.

9. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 1, wherein a cushion frame is fixedly connected with a cushion pipe, and the cushion pipe is positioned between the cushion and the main frame.

10. The self-generating and solar energy combined resistance adjustable double-arm bending and stretching training device according to claim 1, wherein the adjacent first holding parts are connected through a fifth connecting part, the first holding part close to the first swing arm is connected with the first swing arm through a sixth connecting part,

the adjacent second holding parts are connected through a seventh connecting part, and the second holding part close to the second swing arm is connected with the second swing arm through an eighth connecting part.

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