CN218306028U

CN218306028U - Biceps and triceps biceps dual-function training device

Info

Publication number: CN218306028U
Application number: CN202222282083.0U
Authority: CN
Inventors: 康海纯; 葛卫华
Original assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Current assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-17
Anticipated expiration: 2032-08-29

Abstract

The application discloses difunctional trainer of brachial two triceps muscle, including body frame and cushion frame, the body frame includes the holding chamber, detachably fixedly connected with spontaneous electric resistance provides the mechanism in the holding chamber, spontaneous electric resistance provides the mechanism and includes the mount, the mount rotates respectively and is connected with driving shaft, first driven shaft and second driven shaft, the driving shaft reciprocating rotation drives first driven shaft unidirectional rotation, first driven shaft is fixed to cup joint has first driven sprocket, the second driven shaft is fixed to cup joint has second driven sprocket and spontaneous generator, first driven sprocket's diameter is greater than the diameter of second driven sprocket overlaps through first driven sprocket and the positive projection part that is connected with one side of second driven shaft at the mount from the generator for the distance between first driven shaft and the second driven shaft diminishes, and spontaneous electric resistance provides the structure of mechanism compacter, has reduced the difunctional trainer of brachial two triceps muscle's volume.

Description

Biceps and triceps biceps dual-function training device

Technical Field

The utility model relates to a body-building apparatus field, concretely relates to outdoor body-building apparatus field especially relates to a bi-functional trainer of biceps brachii triceps.

Background

Along with the development of economy in China, the living standard of people is continuously improved, and people are concerned about self exercise health except for clothes and eating. In order to advocate the concept of exercise health, biceps brachii and triceps muscle dual-function training devices are installed in more and more parks, squares, sports centers, playgrounds and the like. The biceps brachii and triceps muscle dual-function training device can adopt a self-generating motor as a resistance source, and the self-generating motor can provide resistance and convert kinetic energy into electric energy to supply power for an electronic instrument of the biceps brachii and triceps muscle dual-function training device.

The structure of the prior biceps brachii and triceps biceps training device is dispersed and not compact enough, which causes the volume of the biceps brachii and triceps training device to be larger.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings or drawbacks of the prior art, it is desirable to provide a biceps dual function exercise device that is compact in construction.

On the first hand, the utility model discloses a biceps brachii triceps muscle dual-function training device, which comprises a main frame and a cushion frame, wherein the main frame comprises a holding cavity, a spontaneous electric resistance providing mechanism is detachably and fixedly connected in the holding cavity, the spontaneous electric resistance providing mechanism 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 is driven by the reciprocating rotation of the driving 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 spontaneous electric motor, the diameter of the first driven sprocket is larger than that of the second driven sprocket,

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

the first driven chain wheel is overlapped with the orthographic projection part of the self-generating motor on one side of the fixed frame connected with the second driven shaft,

the utility model discloses a safety device, including cushion frame, driving shaft, swing arm, fixed pipe, arm pad, display screen, driving shaft, arm pad and driving shaft, the cushion frame is detachably fixedly connected with cushion, arm pad and display screen respectively, the arm pad is located the cushion with between the display screen, the display screen is just right the arm pad, the driving shaft is close to one side fixedly connected with swing arm of cushion, the swing arm rotates and is connected with fixed pipe, the last fixedly connected with in command of fixed pipe and second handle, fixed pipe is located the arm pad with between the display screen.

According to the technical scheme that this application embodiment provided, overlap through first driven sprocket and the orthographic projection part that is connected with one side of second driven shaft at the mount from the generator for the distance between first driven shaft and the second driven shaft diminishes, makes the structure that spontaneous resistance provided the mechanism compacter, thereby has reduced the difunctional trainer of biceps brachii triceps.

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:

fig. 1 is a front view of a biceps brachii and triceps muscle dual function training device according to an embodiment of the present invention;

fig. 2 is a right side view of the biceps brachii and triceps muscle dual function exercise device according to the embodiment of the present invention;

fig. 3 is a perspective view of the biceps brachii and triceps bifunctional training device according to the embodiment of the present invention;

fig. 4 is a perspective view of the biceps brachii and triceps biceps dual function exercise device according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of the biceps brachii and triceps bifunctional training device of the present invention with one cover removed;

fig. 6 is a front view of a spontaneous electrical resistance force providing mechanism of the biceps brachii and triceps muscle dual function training device according to the embodiment of the present invention;

fig. 7 is a top view of the self-generating resistance providing mechanism of the biceps brachii and triceps dual function exercise device according to the embodiment of the present invention;

fig. 8 is a perspective view of the self-generating resistance providing mechanism of the biceps brachii and triceps dual function exercise device according to the embodiment of the present invention;

fig. 9 is a schematic view of a third chain transmission structure of the biceps brachii and triceps biceps dual function exercise device according to the embodiment of the present invention;

fig. 10 is a schematic view of the first chain and the second chain transmission structure of the biceps brachii and triceps muscle dual function training device according to the embodiment of the present invention.

Detailed Description

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

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Please refer to fig. 1-10, the utility model discloses a difunctional trainer of brachial two triceps, including body frame 300 and cushion frame 400, body frame 300 includes holding chamber 310, detachably fixedly connected with spontaneous electric resistance provides mechanism 1000 in the holding chamber 310, spontaneous electric resistance provides mechanism 1000 mount 100, mount 100 rotates respectively and is connected with driving shaft 210, first driven shaft 211 and second driven shaft 212, driving shaft 210 reciprocates and rotates and drive first driven shaft 211 unidirectional rotation, first driven shaft 211 is fixed to be cup jointed first driven sprocket 240, second driven shaft 212 is fixed to be cup jointed second driven sprocket 241 and spontaneous electric motor 213, the diameter of first driven sprocket 240 is greater than the diameter of second driven sprocket 241, first driven sprocket 240 and second driven sprocket 241 transmit through first chain 242, so that first driven shaft 211 and second driven shaft 212 rotate in step, first driven sprocket 240 and spontaneous electric motor 213 are connected with the orthographic projection part of second driven sprocket 241 one side at mount 100 and overlap, cushion frame 400 detachably fixedly connected with cushion 410 respectively, cushion pad 420 and display screen 430, swing arm pad 420 is located between swing arm and the display screen 510, display screen 510 is connected with second driven shaft 510 and display screen 510 and is close to display screen 510, display screen 510.

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 biceps brachii and triceps muscle dual-function training device. The body frame includes the holding chamber, and spontaneous resistance provides the mechanism in the holding intracavity, can play the effect that the protection resistance provided the mechanism. The cushion frame is fixedly connected with a cushion and an arm pad in a detachable mode, when a user trains by using the biceps brachii and triceps muscle dual-function training device, the cushion can support the hip of the user, and the arm pad can support the large arm of the user. The driving shaft is fixedly connected with a swing arm, the swing arm is rotatably connected with a fixed pipe, and the fixed pipe is fixedly connected with a first handle and a second handle. When a user trains by using the biceps brachii and triceps muscle dual-function training device, one hand grasps the first handle and the other hand grasps the second handle, the arm generates force to drive the swing arm to rotate, namely, the driving shaft is driven to rotate, and the spontaneous resistance force providing mechanism provides resistance for the swing arm to rotate. The swing arm is connected for rotating with the fixed pipe, and when the user uses the difunctional trainer of biceps brachii triceps muscle to carry out muscle training, the fixed pipe can rotate for the swing arm for the position of first in command and second in command can laminate the position of user's arm more. The main frame fixedly connected with display screen, the display screen can show user's training number of times, consume calorie condition etc..

A handle sleeve 513 may be, but is not limited to, sleeved on the first handle and the second handle, respectively, to facilitate grasping by the user. The first handle and the second handle may be connected by a first reinforcing plate 514, and the first reinforcing plate 514 can improve the strength of the first handle and the second handle.

The seat cushion frame 400 can be but is not limited to including bottom tube 411, the fixed pipe 412 of cushion and the fixed pipe 413 of arm pad, the one end of bottom tube 411 upwards buckles and fixes display screen 430, the fixed pipe 412 of cushion and the fixed pipe 413 of arm pad respectively with bottom tube 411 fixed connection, still connect through stay tube 414 between the fixed pipe 413 of arm pad and the bottom tube 411, guaranteed the joint strength of the fixed pipe 413 of arm pad and bottom tube 411. A second reinforcing plate 415 is further arranged between the cushion fixing tube 412 and the bottom tube 411, so that the connection strength of the cushion fixing tube 412 and the bottom tube 411 is guaranteed.

The mount is used for supporting whole spontaneous electrical resistance and provides the mechanism, and driving shaft, first driven shaft and second driven shaft rotate with the mount respectively and are connected, can but not be limited to realize rotating through the bearing and connect, have reduced the frictional force that receives in the rotation process of driving shaft, first driven shaft and second driven shaft. When a user uses the biceps brachii and triceps muscle dual-function training device, the swinging arm is driven to swing through the action of the crank arm, namely the driving shaft is driven to rotate in a reciprocating way.

The first driven shaft and the second driven shaft move following the movement of the driving shaft. Specifically, the reciprocating rotation of driving shaft drives first driven shaft unidirectional rotation, no matter the driving shaft is along clockwise or anticlockwise rotation, all can only drive first driven shaft along clockwise or anticlockwise unidirectional rotation, and first driven shaft and second driven shaft are synchronous rotation, and first driven shaft unidirectional rotation drives second driven shaft unidirectional rotation. And when the self-generating motor on the second driven shaft rotates, resistance exists, and 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 in a single direction, the self-generating motor can generate electric energy, the self-generating motor can be electrically connected with the storage battery, and the storage battery is charged by the electric energy generated by the self-generating motor, so that the electric energy is stored. In-process that carries out the muscle training at the user, when the reciprocal swing of drive driving shaft, drive first driven shaft and second driven shaft unidirectional rotation, also drive the unidirectional rotation of self-generating motor promptly, the self-generating motor can not carry out the motion switching-over at the training in-process, because inertia causes the driving shaft to appear rotating and just to be frustrated when can avoiding self-generating motor switching-over, has promoted user's training and has experienced.

The first driven shaft is fixedly sleeved with a first driven chain wheel, the first driven chain wheel and the first driven shaft are arranged concentrically, and the first driven chain wheel rotates along with the first driven shaft. The second driven shaft is fixedly sleeved with a second driven chain wheel, the second driven chain wheel and the second driven shaft are arranged concentrically, and the second driven chain wheel rotates along with the second driven shaft. First driven sprocket and second driven sprocket pass through first chain drive, and first driven sprocket and second driven sprocket all contact with the inboard of first chain, and that is first driven sprocket and the synchronous syntropy rotation of second driven sprocket promptly, and that is first driven shaft and the synchronous syntropy rotation of second driven shaft promptly.

The diameter of first driven sprocket is greater than the diameter of second driven sprocket, and first driven shaft rotates a less angle, just can realize driving the second driven shaft and rotate a great 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 first driven sprocket overlaps with the orthographic projection part that is connected with one side of second driven shaft at the mount with the electricity generation motor for the distance between first driven shaft and the second driven shaft diminishes, makes the structure that the spontaneous resistance provided the mechanism compacter, thereby has reduced the difunctional trainer of biceps brachii muscle.

Further, the main frame 300 comprises a first upright column 311, a second upright column 312, a first cross column 313 and a second cross column 314, the first upright column 311, the second upright column 312, the first cross column 313 and the second cross column 314 enclose to form an accommodating cavity 310, two sides of the main frame 300 are respectively and fixedly connected with a housing 330 in a detachable mode, and the two housings 330 enclose the accommodating cavity 310.

The utility model discloses an in the embodiment, the body frame includes first stand, second stand, first spreader and second spreader for the body frame structure is more stable. The two sides of the main frame are respectively provided with the housing, and the housing can seal the accommodating cavity, so that on one hand, external dust or sundries are prevented from entering the accommodating cavity to influence the normal work of the self-generating resistance providing mechanism, 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 guaranteed.

Further, a sealing strip 331 is provided between the cover 330 and the main frame 300. The sealing strip can further improve the sealing performance of the contact part of the housing and the main frame.

Further, the driving shaft 210 penetrates through the housing 330, and the driving shaft 210 is sleeved with a sealing ring which is located in the accommodating cavity 310 and abuts against the housing 330.

The embodiment of the utility model provides an in, the driving shaft passes the housing, and the driving shaft of being convenient for is connected with the swing arm. The driving shaft is sleeved with a sealing ring, the sealing ring is positioned in the accommodating cavity and abuts against the housing, and the sealing ring ensures the sealing performance of the driving shaft passing through the housing.

Further, the swing arm 500 is fixedly connected with a first fixing sleeve 520, the driving shaft 210 penetrates through the first fixing sleeve 520, and the driving shaft 210 is connected with the first fixing sleeve 520 through a key. The swing arm is realized through first fixed cover and driving shaft fixed connection, through the key-type connection between driving shaft and the first fixed cover, is convenient for assemble.

Further, a balance weight 530 is fixedly connected to one end of the swing arm 500, and the first fixing sleeve 520 is located between the balance weight 530 and the fixing tube 510. The balancing piece can balance the gravity of the fixed pipe, so that the training of a user is smoother.

Further, the main frame 300 and the seat cushion frame 400 are connected by a link 450. The connecting rod can improve the stability of body frame and cushion frame.

Further, the swing arm 500 is fixedly connected with a second fixing sleeve 540, the second fixing sleeve 540 penetrates through the swing arm 500, a rotating shaft is rotatably connected in the second fixing sleeve 540 through a bearing, and the rotating shaft is fixedly connected with one end of the fixing pipe 510.

The utility model discloses an in the embodiment, the swing arm is passed to the fixed cover of second, has guaranteed the fixed stability of being connected with the swing arm of second. The third reinforcing plate is arranged between the second fixing sleeve and the swing arm, and the third reinforcing plate can further improve the stability of the fixed connection of the second fixing sleeve and the swing arm. The axis of rotation passes through the bearing and is connected with the rotation of the fixed cover of second, has guaranteed the stability that fixed pipe and swing arm rotate to be connected.

Further, the cushion frame 400 is fixedly connected with a pedal pipe 440, and the pedal pipe 440 is located below the arm pad 420. When a user carries out arm bending training on biceps brachii and triceps, the user can conveniently apply force by stepping on the pedal pipe with both feet.

Furthermore, one end of the pedal tube 440 is fixedly connected with a first limiting ball 441, and the other end of the pedal tube 440 is fixedly connected with a second limiting ball 442. First spacing ball and the spacing ball of second can avoid stepping on the foot on pedal pipe and break away from pedal pipe, avoid the user both feet to step on empty, have guaranteed user's personal safety.

Further, the driving shaft 210 is fixedly sleeved with a first driving sprocket 220 and a second driving sprocket 230, the first driven shaft 211 is fixedly sleeved with a first one-way sprocket 221 and a second one-way sprocket 231, the slipping directions of the first one-way sprocket 221 and the second one-way sprocket 231 are the same, the first driving sprocket 220 and the first one-way sprocket 221 are driven by a second chain 222, the second driving sprocket 230 and the second one-way sprocket 231 are driven by a third chain 232, and the first one-way sprocket 221 and the second one-way sprocket 231 synchronously rotate in the opposite direction.

In the embodiment of the utility model, the first driven shaft is fixedly sleeved with the first one-way chain wheel and the second one-way chain wheel, the slipping directions of the first one-way chain wheel and the second one-way chain wheel are the same, and when the first one-way chain wheel and the second one-way chain wheel rotate along the slipping direction, the first one-way chain wheel and the second one-way chain wheel can not drive the first driven shaft to rotate; when first one-way sprocket and the one-way sprocket of second rotate along the opposite direction with the direction of skidding, first one-way sprocket and the one-way sprocket of second can drive first driven shaft and rotate. The first one-way sprocket and the second one-way sprocket may employ a ratchet structure, but are not limited thereto.

The slipping direction of the first one-way chain wheel and the second one-way chain wheel is the same, and the rotating direction of the self-generating motor is opposite, the first one-way chain wheel and the second one-way chain wheel synchronously rotate in the opposite direction, at least one of the first one-way chain wheel and the second one-way chain wheel can be ensured to drive the first driven shaft to rotate, and then the self-generating motor is driven to rotate. The slip direction of the first one-way chain wheel and the second one-way chain wheel is anticlockwise, and the rotation direction of the self-generating motor is clockwise, so that when the driving shaft rotates clockwise, the first one-way chain wheel is driven to rotate clockwise and the second one-way chain wheel rotates anticlockwise, the first one-way chain wheel rotates clockwise to drive the first driven shaft to rotate clockwise, the second driven shaft and the self-generating motor are driven to rotate clockwise, at the moment, the second one-way chain wheel rotates anticlockwise and slips, and the second one-way chain wheel cannot drive the first driven shaft to rotate; when the driving shaft rotates anticlockwise, the first one-way chain wheel is driven to rotate anticlockwise and the second one-way chain wheel is driven to rotate clockwise, the second one-way chain wheel rotates clockwise to drive the first driven shaft to rotate clockwise, and then the second driven shaft and the self-generating motor rotate clockwise, the first one-way chain wheel rotates anticlockwise and slips at the moment, the first one-way chain wheel cannot drive the first driven shaft to rotate, the driving shaft is driven to rotate in a reciprocating mode to drive the first driven shaft to rotate in a one-way mode, and then the second driven shaft and the self-generating motor are driven to rotate in a one-way mode.

Further, the outer diameter of the first drive sprocket 220 is equal to the outer diameter of the second drive sprocket 230, and the outer diameter of the first one-way sprocket 221 is equal to the outer diameter of the second one-way sprocket 231.

In an embodiment of the present invention, the outer diameter of the first driving sprocket is equal to the outer diameter of the second driving sprocket, and the outer diameter of the first one-way sprocket is equal to the outer diameter of the second one-way sprocket. The transmission ratio between the first one-way chain wheel and the first driving chain wheel is the same as the transmission ratio between the second one-way chain wheel and the second driving chain wheel, so that the driving shaft can receive constant force when rotating in a reciprocating manner, and the stability of muscle training is ensured.

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

The utility model discloses an in the embodiment, first drive sprocket overlaps with the orthographic projection part that first driven sprocket is connected with one side of second driven shaft at the mount, and second drive sprocket overlaps with the orthographic projection part that first driven sprocket is connected with one side of second driven shaft at the mount for distance between first driven shaft and the driving shaft diminishes, makes the structure that spontaneous resistance provided the mechanism compacter, thereby has reduced the volume of the difunctional trainer of brachial two triceps.

Further, the second chain 222 is passing around the first one-way sprocket 221, and the third chain 232 is passing around the second one-way sprocket 231.

In the embodiment of the present invention, the second chain is bypassing the first one-way sprocket, and the bypass here means that the first one-way sprocket contacts with the inner side of the second chain, so as to realize the synchronous rotation of the first one-way sprocket and the first driving sprocket. The third chain reversely winds around the second one-way chain wheel, wherein the reverse winding means that the second one-way chain wheel is in contact with the outer side of the third chain wheel, and the second one-way chain wheel and the second driving chain wheel synchronously rotate in the reverse direction. And first drive sprocket and second drive sprocket all cup joint and fix on the driving shaft, and the driving shaft can drive first drive sprocket and the synchronous syntropy rotation of second drive sprocket, realizes the synchronous antiport of first one-way sprocket and second.

Further, the fixed frame 100 is rotatably connected with a first tension sprocket 234 and a second tension sprocket 235, the second driving sprocket 230, the first tension sprocket 234 and the second tension sprocket 235 respectively tightly support the inner side of the third chain 232, and the second one-way sprocket 231 tightly supports the outer side of the third chain 232.

In an embodiment of the present invention, the first tension sprocket and the second tension sprocket play a role of tensioning the third chain. Simultaneously, first tensioning sprocket and second tensioning sprocket can change the trend of third chain for the one-way sprocket of second can be walked around steadily in the outside of third chain, and avoid the third chain to produce the motion with other structures that the resistance provided the mechanism from electricity generation and interfere, have guaranteed driven stability.

Further, the first tension sprocket 234 is located above the self-generating motor 213, the second tension sprocket 235 is located below the second one-way sprocket 231, and an orthographic projection of the second tension sprocket 235 on the first driven sprocket 240 is located within the first driven sprocket 240.

The utility model discloses an in the embodiment, rationally distribute first tensioning sprocket and second tensioning sprocket's position for the structure that spontaneous resistance provided the mechanism is compacter.

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 is opposite to the second limiting hole 233, the fixing frame 100 is detachably and fixedly connected with a limiting rod 150, and the limiting rod 150 penetrates through the first limiting hole 223 and the second limiting hole 233.

The utility model discloses an in the embodiment, the shape and the size homoenergetic of first spacing hole and the spacing hole of second are the same, and first spacing hole and the spacing hole of second are arc waist hole, and the gag lever post of being convenient for passes. The gag lever post passes first spacing hole and the spacing hole of second, and when the driving shaft reciprocating motion, the rotation range of gag lever post can be restricted at the both ends in first spacing hole and the spacing hole of second, just also restricts the rotation range of driving shaft, has guaranteed user's personal safety.

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

The utility model discloses an in the embodiment, to connect from the generator motor with the battery electricity, utilize the electric energy that the generator motor produced from to charge for the battery, realize storing the electric energy. The storage battery can supply power for electric equipment such as instruments of the biceps brachii and triceps muscle dual-function training device. Of course, a solar panel can be arranged 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 which are oppositely disposed and spaced, 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 to the first fixing plate 110, the other end of each positioning rod 140 is detachably and fixedly connected to the second fixing plate 120, and the first driven sprocket 240, the second driven sprocket 241 and the self-generating motor 213 are disposed between the first fixing plate 110 and the second fixing plate 120.

The utility model discloses an in the embodiment, first driven sprocket, second driven sprocket and spontaneous dynamo are located between first fixed plate and the second fixed plate, and first fixed plate and second fixed plate can play the guard action. Set up a plurality of locating levers between first fixed plate and second fixed plate, a plurality of locating levers can play the effect of supporting first fixed plate and second fixed plate for first fixed plate and second fixed plate keep being parallel to each other and connect stably. One end and the first fixed plate detachably fixed connection of locating lever can but not be limited to the locating lever and be connected through the bolt with first fixed plate, and simple structure is reliable. The other end and the second fixed plate detachably fixed connection of locating lever can but not be limited to the locating lever and be connected through the bolt with the second fixed plate, and simple structure is reliable.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The biceps brachii and triceps muscle dual-function training device is characterized by comprising a main frame and a cushion frame, wherein the main frame comprises an accommodating cavity, a spontaneous electric resistance providing mechanism is detachably and fixedly connected in the accommodating 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 rotates in a reciprocating manner to drive the first driven shaft to rotate in a single 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 spontaneous electric motor, the diameter of the first driven sprocket is larger than that of the second driven sprocket,

2. The biceps brachii and triceps bifunctional training device of claim 1, wherein the main frame comprises a first upright column, a second upright column, a first transverse column and a second transverse column, the first upright column, the second upright column, the first transverse column and the second transverse column enclose the accommodating cavity, two sides of the main frame are respectively and fixedly connected with a cover shell in a detachable manner, and the two cover shells close the accommodating cavity.

3. The biceps brachii and triceps bifunctional training device of claim 2, characterized in that a sealing strip is arranged between the housing and the main frame.

4. The biceps brachii and triceps bifunctional training device of claim 2, wherein the driving shaft passes through the housing, and the driving shaft is sleeved with a sealing ring, and the sealing ring is located in the accommodating cavity and abuts against the housing.

5. The biceps brachii and triceps bifunctional training device of claim 1, wherein the swing arm is fixedly connected with a first fixing sleeve, the driving shaft passes through the first fixing sleeve, and the driving shaft and the first fixing sleeve are connected through a key.

6. The biceps brachii and triceps bifunctional training device of claim 5, wherein a balance weight is fixedly connected to one end of the swing arm, and the first fixing sleeve is located between the balance weight and the fixing tube.

7. The biceps brachii and triceps bifunctional training device of claim 1, wherein the main frame and the cushion frame are connected by a connecting rod.

8. The biceps brachii and triceps bifunctional training device of claim 1, wherein the swing arm is fixedly connected with a second harness, the second harness passing through the swing arm, the second harness being rotatably connected with a rotating shaft in the second harness through a bearing, the rotating shaft being fixedly connected with one end of the fixed tube.

9. The biceps brachii and triceps bifunctional training device of claim 1, wherein the cushion frame is fixedly connected with a foot tube, and the foot tube is located under the arm pad.

10. The biceps brachii and triceps muscle dual function exercise device according to claim 9, wherein one end of the pedal tube is fixedly connected with a first limit ball, and the other end of the pedal tube is fixedly connected with a second limit ball.