CN114712802B - College sports fitness training system - Google Patents

Abstract

The invention discloses a physical fitness training system for a college, which comprises a supporting plate, wherein a connecting seat A and a connecting seat B are fixedly arranged on the upper end face of the supporting plate, the connecting seat A is positioned on the right side of the connecting seat B, the connecting seat B is positioned on the front side of the space position of the connecting seat A, a connecting rod is connected and arranged on the upper end face of the connecting seat A, which is close to the right end, the upper end of the connecting rod is connected with a connecting sleeve rod, the upper end of the connecting sleeve rod is connected with an arm supporting seat, a protective arm is fixedly arranged on the left end face of the arm supporting seat, buffer grooves are respectively arranged in the front side end face and the rear side end face of the arm supporting seat, buffer blocks which extend into the buffer grooves and are in sliding connection with the inner walls of the buffer grooves are fixedly arranged on the right end face of the right side of the protective arm, and plastic blocks are fixedly connected between the right end face of the buffer blocks and the right inner walls of the buffer grooves.

Description

A college physical fitness training system

technical field

The invention relates to the technical field of fitness training systems, in particular to a physical fitness training system for colleges and universities.

Background technique

In modern society, with the extension of working hours, the acceleration of the pace of life, and the increase of work pressure, people's physical condition is getting worse and worse, and there are more and more sub-healthy people. Therefore, office fitness equipment, martial arts fitness equipment, Tai Chi The market of fitness equipment is expanding rapidly, but the existing fitness equipment products are too lagging behind to meet and adapt to the potential needs of the society.

With the improvement of scientific awareness, fitness pays more attention to scientific training, which is mainly reflected in the science of training methods and the science of training equipment. At present, there are not many training equipment for upper limbs on the market, and most of them are purely mobile equipment, which cannot adjust the training strength according to the needs of the trainer. The most common ones are the arm strength machines used in various gyms or are relatively simple for personal use. However, these upper limb training equipment with strength conditions have the following defects: 1. Due to the large size, the overall bulkiness is caused; 2. The noise is loud due to the friction between the accessories during use; 3. It is easy to cause the user Injury; 4. High requirements for the venue and high equipment costs;

Therefore, this example aims to design a physical fitness training system that has a relatively simple structure and can protect the user's arms when in use.

Contents of the invention

In order to solve the above problems, this example designs a college physical fitness training system, the physical fitness training system includes a support plate, the upper end surface of the support plate is fixedly provided with a connecting seat A and a connecting seat B, and the connecting seat The seat A is located on the right side of the connecting seat B, and the connecting seat B is located on the front side of the spatial position of the connecting seat A;

The upper end surface of the connecting seat A close to the right end is connected with a connecting rod, the upper end of the connecting rod is connected with a connecting sleeve rod, the upper end of the connecting sleeve rod is connected with an arm support seat, and the left side of the arm support seat Arm guards are fixedly arranged on the side end faces, and buffer grooves are respectively arranged in the front and rear end faces of the arm support seat, and buffer grooves extending into the buffer grooves and connecting with the buffer grooves are fixedly arranged on the end faces of the right side of the arm support. A slow joint block slidingly connected between the inner walls of the tank, a plastic block is fixedly connected between the right end surface of the slow joint block and the right inner wall of the buffer tank, and the arm guard is used to support the right arm of the user;

A pressure chamber is arranged inside the connecting seat B, and a wire pulley is rotatably arranged in the pressure chamber, and a traction wire is wound on the wire pulley;

A resistance rotating shaft is fixedly connected to the rear side of the wire wheel, and the resistance rotating shaft is connected to the elastic component. A supporting shaft passing through the jumping slot and rotatably connected to the front inner wall, a jumping block is slidably arranged in the jumping slot, and a push spring is fixedly connected between the left end surface of the jumping block and the inner wall of the jumping slot, A clamping assembly is provided between the jumping block and the connecting seat B, and a rotating chute with an opening to the outside is arranged in the inner wall of the rear side of the jumping slot, and the jumping block is fixedly provided with a The rotating slider that slides inside, the upper end surface of the rotating slider is fixed with an arc-shaped arm force device main body, and an arc-shaped chute is arranged inside the arm force device body, and the arc-shaped chute can slide A traction block is provided on the rear side of the traction block, and a handle assembly is fixedly arranged on the rear side of the traction block so that the user can exercise the arm strength. The traction line extends through the communication hole connecting the pressure chamber and the arc-shaped chute, and then is fixedly connected. on the traction block;

During use, the user squats on the front side of the connecting rod and the right side of the connecting seat B, places the arm in the arm guard for support and lifts up to exercise the upper arm and the forearm.

Preferably: the physical fitness training system is a right rudder exercise system, which also includes a left rudder exercise system in addition to the right rudder exercise system, and the left rudder exercise system and the right rudder exercise system are arranged symmetrically in the front and back direction ;

During use, the user squats on the front side of the connecting rod and the right side of the connecting seat B, places the arm in the arm guard for support and lifts up to exercise the upper arm and the forearm.

Preferably: the connection between the connecting rod and the connecting seat A is realized through the connector C and the position is restricted, and the connection between the connecting rod and the connecting rod is realized through the connector B and the position is restricted. The connector A, the connector B and the connector C have the same structure;

The connector A includes a fixed connection turntable and a movable connection transfer disk that are coaxially connected to each other and can rotate with each other. The fixed connection turntable is provided with an annular array of fixed bayonet openings that open outward. The movable connection transfer A movable bayonet opening is provided inside the disc, and a hidden pin hole is provided in the inner wall of the opposite side of the movable bayonet and the fixed bayonet, and the movable bayonet and the fixed bayonet are connected by a locking pin The limitation of the position between the ports can limit the rotation range of the fixed connection turntable and the movable connection turntable;

In the connector C, the connection seat A is fixedly connected to the fixed connection turntable, and the lower end of the connecting rod is fixedly connected to the movable connection transfer disk;

In the connector B, the upper end of the connecting rod is fixedly connected to the fixed connection turntable, and the lower end of the connecting rod is fixedly connected to the movable connection transfer disk;

In the connector A, the upper end of the connecting rod is fixedly connected to the fixed connection turntable, and the arm support base is fixedly connected to the movable connection transfer disk;

By adjusting the relative position of the movable bayonet and the fixed bayonet and restricting by the locking pin, the rotation angle of the fixed connection turntable and the movable connection transfer disk can be limited, so that the The arm guards are kept at an appropriate angle and height to support the user's arms.

Preferably, a fixed block is fixedly arranged on the arc-shaped inner wall on the right side of the arc-shaped chute, and the traction block is provided with a slideway through which the fixed block can pass. a support pulley that rotates and is used to support and guide said traction line;

A guide wheel is rotatably arranged between the front and rear inner walls of the pressure chamber, and the traction wire extends into the arc-shaped chute after being guided by the guide wheel and is fixedly connected to the side of the slideway. on the left inner wall.

Preferably: the arm is made of a silicone cushion, and the soft silicone material can increase the comfort of the user's arm against the arm.

Preferably, the elastic component includes a load chamber arranged in the inner wall of the rear side of the pressure chamber and opened backward, the rear end of the resistance rotating shaft extends into the load chamber and is located on the upper side of the load chamber There are notched grooves in the connected part of the inner wall;

A load plate is slidably provided in cooperation with the load cavity, and a rotation limiting block that can be engaged with the notch groove is fixedly arranged on the upper end surface of the load plate, and the load plate is provided with a In the torsion spring chamber, the load plate is rotatably provided with a set piece that can be slidably connected with the resistance shaft, and the set piece is slidably connected with the resistance shaft in the front and rear directions and cannot be connected in relative rotation. A load spring connected between the sleeve block and the inner wall of the torsion spring chamber is fixedly installed in the torsion spring chamber. The load spring can generate certain resistance to the rotation of the resistance rotating shaft, thereby realizing the effect of increasing the load. Increasing or decreasing the number of load disc assemblies can adjust the size of the load for exercising arm strength.

Preferably: the clamping component includes a circular array of clamping slots arranged in the inner wall of the rear side of the jumping slot, and the rear end surface of the jumping block is fixedly provided with clamping blocks that can be clamped in the clamping slots , through the clamping block and the clamping slot, the storage and upward swing modes of the main body of the arm strength device can be changed and fixed;

A locking pin is provided between the rotating slider and the connecting seat B, and the position between the rotating sliding block and the connecting seat B can be locked by the locking pin.

Preferably: the handle assembly includes a partition arranged on the rear end surface of the main body of the arm strength device and fixedly connected with the traction block, and a movable handle is fixedly arranged on the rear end surface of the partition. Make the user exercise the arm by lifting and pulling the movable handle;

A semi-circular balance handle is fixedly arranged on the front end surface of the main body of the arm strength device, and the other arm is held on the balance handle to maintain body balance during exercise.

Preferably, universal wheels are arranged in the lower end surface of the support plate, through which the support plate and its components can be easily transported.

Beneficial effect: when in use, the arm guard can support the user's arm, and then adjust and support the posture of the human arm while exercising the strength of the arm, reducing the load on the bones while exercising, and avoiding injury , and the structure of this device is simple, compact, and convenient for home use. When it is no longer needed, it can be folded to reduce the floor space. In the process of use, the load can be adjusted according to the personal needs of the user. It has a wide range of applications. In the device, the traction wire is used as a traction device to reduce friction between components.

Description of drawings

For ease of illustration, the present invention is described in detail by the following specific embodiments and accompanying drawings.

Fig. 1 is the overall structure schematic diagram of a kind of college physical fitness training system of the present invention;

Fig. 2 is the overall structure schematic diagram of described college physical fitness training system;

Fig. 3 is a schematic structural diagram of the "A-A" direction in Fig. 1;

Fig. 4 is a cross-sectional view of the handle assembly in a top view direction;

FIG. 5 is a schematic diagram of the overall structure of the connector 126A;

FIG. 6 is a schematic diagram of the connection between the arm guard 121 and the arm support base 118 .

Detailed ways

Below in conjunction with Fig. 1 to Fig. 6 the present invention is described in detail, for the convenience of narration, the orientation described below is stipulated as follows now: the up, down, left, right, front and back directions mentioned below are consistent with the up, down, left, right, front and back directions of the projection relationship of Fig. 1 itself.

The present invention relates to a kind of physical fitness training system in colleges and universities, the present invention will be further described below in conjunction with accompanying drawing of the present invention:

A kind of college physical fitness training system of the present invention, as described physical fitness training system shown in accompanying drawing 1-accompanying drawing 6, described physical fitness training system comprises support plate 101, the upper side of described support plate 101 A connecting seat A102 and a connecting seat B103 are fixedly arranged on the end surface, the connecting seat A102 is located on the right side of the connecting seat B103, and the connecting seat B103 is located on the front side of the spatial position of the connecting seat A102; the connecting seat A102 A connecting rod 124 is connected to the upper end surface near the right end, and the upper end of the connecting rod 124 is connected with a connecting sleeve rod 123, and the upper end of the connecting sleeve rod 123 is connected with an arm support seat 118, and the arm support seat 118 An arm guard 121 is fixedly arranged on the left end face, buffer grooves 163 are respectively arranged in the front and rear end faces of the arm support seat 118, and a buffer groove 163 extending into the buffer groove 163 is fixedly arranged on the end face of the right side of the arm support 121. The slow connection block 161 that is inside and slidingly connected with the inner wall of the buffer groove 163, a plastic block 162 is fixedly connected between the right end surface of the slow connection block 161 and the right inner wall of the buffer groove 163, and the arm guard 121 is used to support the right arm of the user; the connection seat B103 is provided with a pressure chamber 127, and the pressure chamber 127 is rotatably provided with a wire pulley 129, and the pull wire 117 is wound on the wire pulley 129; The rear side of the wire wheel 129 is fixedly connected with a resistance rotating shaft 128, and the resistance rotating shaft 128 is connected to the elastic component. A support shaft 107 that extends through the jumping slot 171 and is rotatably connected to the front inner wall is fixedly provided. A jumping block 105 is slidably arranged in the jumping slot 171, and the left end surface of the jumping block 105 is in contact with the jumping slot. A push spring 141 is fixedly connected between the inner walls of 171, a locking assembly is arranged between the jumper block 105 and the connecting seat B103, and a rotating chute 106 with an outward opening is arranged in the inner wall of the rear side of the jumper groove 171. The jumping block 105 is fixedly provided with a rotating slider 133 that can slide in the rotating chute 106, and the upper end surface of the rotating slider 133 is fixedly provided with an arc-shaped arm force device main body 111. An arc-shaped chute 114 is arranged in the main body 111 of the arm strength device, and a traction block 115 is slidably arranged in the arc-shaped chute 114, and a handle assembly is fixedly arranged on the rear side of the traction block 115 so that the user can exercise the arm strength. The traction line 117 extends through the communication hole 132 connecting the pressure chamber 127 and the arc-shaped chute 114 and is fixedly connected to the traction block 115; when in use, the user sits on the connecting rod 124 The front side of the front side and the right side of the connecting seat B103, the arm is placed in the arm guard 121 for support and lifted up to exercise the upper arm and the forearm.

Beneficially, the physical fitness training system is a right rudder exercise system, which also includes a left rudder exercise system in addition to the right rudder exercise system, and the left rudder exercise system and the right rudder exercise system are arranged symmetrically in the front and back direction; When in use, the user squats on the front side of the connecting rod 124 and the right side of the connecting seat B103, places the arm in the arm guard 121 for support and lifts it up to exercise the upper arm and the forearm. effect.

Beneficially, the connecting rod 124 and the connecting seat A102 realize rotational connection and position restriction through the connector 126C, and the rotational connection and position restriction between the connecting rod 124 and the connecting sleeve rod 123 are realized through the connector 126B. Restriction, the connection sleeve rod 123 and the arm support base 118 realize the rotation connection and position restriction through the connector 126A, the connector 126A, the connector 126B and the connector 126C have the same structure; The connector 126A includes a fixed connection turntable 155 and a movable connection transfer disk 158 that are coaxially connected to each other and can rotate with each other. The fixed connection turntable 155 is provided with an annular array of fixed bayonet openings 157 that open outwards. The adapter plate 158 is provided with a movable bayonet 166 that opens outwards, and the inner wall of the movable bayonet 166 opposite to the fixed bayonet 157 is provided with a hidden pin hole 156. The limitation of the position between the movable bayonet 166 and the fixed bayonet 157 can limit the rotation range of the fixed connection turntable 155 and the movable connection transfer disk 158; in the connector 126C, the connection seat A102 It is fixedly connected with the fixed connecting turntable 155, and the lower end of the connecting rod 124 is fixedly connected with the movable connection transfer plate 158; in the connector 126B, the upper end of the connecting rod 124 is connected with the fixed connecting turntable 155 is fixedly connected, and the lower end of the connecting sleeve rod 123 is fixedly connected with the movable connection adapter plate 158; in the connector 126A, the upper end of the connecting sleeve rod 123 is fixedly connected with the fixed connecting turntable 155, The arm support base 118 is fixedly connected with the movable adapter plate 158; by adjusting the relative position of the movable bayonet 166 and the fixed bayonet 157 and restricting by the locking pin 159, the The rotating angle of the fixed connecting turntable 155 and the movable connecting turntable 158 is limited, so that the arm guard 121 is kept at a proper angle and height for supporting the user's arm.

Beneficially, a fixed block 112 is fixedly arranged on the arc-shaped inner wall on the right side of the arc-shaped chute 114, and the traction block 115 is provided with a slideway 116 through which the fixed block 112 can pass. 112 is provided with a rotatable support pulley 113 for supporting and guiding the pulling wire 117; a guide wheel 131 is rotatably arranged between the front and rear inner walls of the pressure chamber 127, and the pulling wire 117 passes through the The guiding wheel 131 extends into the arc-shaped sliding groove 114 after being guided and is fixedly connected to the left inner wall of the sliding path 116 .

Beneficially, the arm guard 121 is made of a silicone cushion, and the soft silicone material can increase the comfort of the user's arm against the arm guard 121 .

Beneficially, as the elastic assembly shown in accompanying drawings 1 to 3, the elastic assembly includes a load cavity 151 arranged in the inner wall of the rear side of the pressure chamber 127 and opened backward, and the resistance shaft 128 The rear end extends into the load cavity 151, and a notch groove 144 is provided to communicate with the upper inner wall of the load cavity 151; a load plate 146 is slidably provided with the load cavity 151, and the On the upper end surface of the load plate 146, a rotation limiting block 145 that can be engaged with the notch groove 144 is fixedly arranged, and a torsion spring chamber 147 is arranged inside the load plate 146, and the load plate 146 can rotate There is a set block 148 that can be slidably connected with the resistance rotating shaft 128. The set block 148 is slidably connected with the resistance rotating shaft 128 in the front and rear directions and cannot be connected in relative rotation. It is fixedly installed in the torsion spring chamber 147. There is a load spring 149 connected between the sleeve block 148 and the inner wall of the torsion spring chamber 147, through which the load spring 149 can generate a certain resistance to the rotation of the resistance rotating shaft 128, thereby realizing the effect of increasing the load. Increasing or decreasing the number of components of the load disc 146 can adjust the load size of the exercise arm force.

Beneficially, as the clamping component shown in Figure 3, the clamping component includes a circular array of clamping slots 143 arranged in the inner wall of the rear side of the jumping groove 171, and the rear end surface of the jumping block 105 A clamping block 142 that can be clamped in the clamping slot 143 is fixedly arranged, through which the clamping block 142 and the clamping slot 143 can change and fix the storage and swing-up modes of the armrest main body 111; A locking pin 108 is disposed between the rotating slider 133 and the connecting seat B103 , and the position between the rotating sliding block 133 and the connecting seat B103 can be locked by the locking pin 108 .

Beneficially, the handle assembly includes a partition 153 arranged on the rear end surface of the arm body 111 and fixedly connected with the traction block 115, and a movable handle is fixedly arranged on the rear end surface of the partition 153. With the handle 154, the user can exercise the arm by lifting and pulling the movable handle 154; the front end surface of the arm body 111 is fixedly provided with a half-circular balance handle 152, which will be used when exercising. One arm is held on the balance handle 152 to keep the body balanced.

Beneficially, universal wheels 104 are provided in the lower end surface of the support plate 101 , through which the support plate 101 and its components can be easily transported.

In the initial state, the connecting rod 124 and the connecting sleeve rod 123 are folded and placed on the upper end surface of the connecting seat A102. limit swing forward, at this time, the arm body 111 is in a downward swing state and the upper end of the arm body 111 abuts against the upper end surface of the support plate 101, through the locking pin 108 The positions of the rotating slider 133 and the connecting seat B103 are locked, and at this time, the exercise system can be transported and stored.

When in use, the locking pin 108 is released from locking between the rotating slider 133 and the connecting seat B103, and the jumping block 105 and the rotating slider 133 are pulled to overcome the jumping groove 171. The elastic force of the push spring 141 moves forward, thereby causing the clamping block 142 to break away from the clamping groove 143. At this time, turn 90 degrees and make the main body 111 of the arm force device stand up. At this time, remove the application The force on the arm body 111 and the rotating slider 133, under the elastic force of the pushing spring 141, makes the jumping block 105 move to the rear side and makes the locking block 142 snap into the corresponding position again. At the position of the card slot 143, the position of the rotating slider 133 and the connecting seat B103 is locked by the locking pin 108 at this time;

At the same time, adjust the position between the connecting seat A102, the connecting rod 124, the connecting sleeve rod 123 and the arm support seat 118, and at the same time, put an appropriate amount of the 126 into the load cavity 151 Make the rotation of the resistance rotating shaft 128 generate certain resistance;

At this time, the user squats on the front side of the connection base A102 and the right side of the connection base B103, puts the arm in the arm guard 121, and holds the movable handle 154 for lifting and pulling. After completing the exercise for the arm, the damage to the joints and arms during exercise can be greatly reduced by supporting the arm.

Beneficial effects of the present invention: when in use, the arm guard 121 can support the user's arm, and then adjust and support the posture of the human arm while exercising the strength of the arm, and reduce bone stress while exercising. Load, to avoid injury, and the structure of this device is simple, small and convenient for home use, it can be folded to reduce the floor space when it is no longer needed, and in the process of use, the load can be adjusted according to the personal needs of the user, the scope of application Wider, in the device, the traction line 117 is used as a traction device to reduce friction between parts.

Through the above methods, those skilled in the art can make various changes according to the working modes within the scope of the present invention.

Claims (9)

1. The physical fitness training system for the colleges and universities comprises a supporting plate, wherein a connecting seat A and a connecting seat B are fixedly arranged on the upper side end face of the supporting plate, the connecting seat A is positioned on the right side of the connecting seat B, and the connecting seat B is positioned on the front side of the space position of the connecting seat A;

the connecting seat A is connected and provided with a connecting rod on the upper end face close to the right end, the upper end of the connecting rod is connected with a connecting sleeve rod, the upper end of the connecting sleeve rod is connected with an arm supporting seat, an arm protection is fixedly arranged on the left end face of the arm supporting seat, buffer grooves are respectively arranged in the front side end face and the rear side end face of the arm supporting seat, a buffer block which extends into the buffer grooves and is in sliding connection with the inner wall of the buffer grooves is fixedly arranged on the right end face of the arm protection, a plastic block is fixedly connected between the right end face of the buffer block and the right inner wall of the buffer grooves, and the arm protection is used for supporting and abutting the right arm of a user;

a pressure chamber is arranged in the connecting seat B, a wire wheel is rotatably arranged in the pressure chamber, and a traction wire is wound on the wire wheel;

the utility model discloses a traction device, including wire wheel, spring assembly, pressure chamber, jump block, support pivot, jump block, clamping component, jump block, rotary slide block, arc-shaped arm power ware main part, traction block trailing flank is last fixedly connected with the resistance pivot fixedly connected with on the trailing flank of wire wheel, the resistance pivot is connected on the spring assembly, the front side inner wall of pressure chamber is provided with the jump groove on the spring assembly, fixedly provided with on the jump block extends to pass on the front side terminal surface of wire wheel the jump block and with the support pivot that front side inner wall rotated and be connected, the jump block left side terminal surface with fixedly connected with ejector spring between the jump groove inner wall, jump block with be provided with the outside rotary slide groove of opening in the jump block rear side inner wall, fixedly provided with can be in the rotary slide block of rotary slide groove, fixedly provided with arc-shaped arm power ware main part on the upper side terminal surface of rotary slide block is provided with arc-shaped slide groove, slidable in the arc-shaped slide groove is provided with traction block, fixedly provided with handle assembly in order to make the person's arm power exercise, the extension pass the pressure chamber with the fixed connection in arc-shaped slide groove behind the hole.

2. A college sports fitness training system as claimed in claim 1 wherein: the physical fitness training system is a right rudder training system and comprises a left rudder training system in addition to the right rudder training system, wherein the left rudder training system and the right rudder training system are symmetrically arranged in the front-back direction;

when the arm support device is used, a user squats on the front side of the connecting rod and the right side of the connecting seat B, and the arm is placed in the arm support to support and lift and pull upwards to exercise the upper arm and the forearm.

3. A college sports fitness training system as claimed in claim 2 wherein: the connecting rod and the connecting seat A are in rotational connection and position limitation through a connector C, the connecting rod and the connecting sleeve rod are in rotational connection and position limitation through a connector B, the connecting sleeve rod and the arm support seat are in rotational connection and position limitation through a connector A, and the connector A, the connector B and the connector C are identical in structure;

the connector A comprises a fixed connection turntable and a movable connection switching disc which are coaxially connected and can rotate mutually, fixed bayonets which are arranged in an annular array and are outward in openings are arranged in the fixed connection turntable, movable bayonets which are outward in openings are arranged in the movable connection switching disc, hidden pin holes are formed in inner walls of one sides of the movable bayonets opposite to the fixed bayonets, and the rotation range of the fixed connection turntable and the movable connection switching disc can be limited by limiting the positions between the movable bayonets and the fixed bayonets through locking pins;

in the connector C, the connecting seat A is fixedly connected with the fixed connection turntable, and the lower end of the connecting rod is fixedly connected with the movable connection turntable;

in the connector B, the upper end of the connecting rod is fixedly connected with the fixed connection turntable, and the lower end of the connecting sleeve rod is fixedly connected with the movable connection turntable;

in the connector A, the upper end of the connecting sleeve rod is fixedly connected with the fixed connection turntable, and the arm support seat is fixedly connected with the movable connection turntable.

4. A college sports fitness training system as claimed in claim 3 wherein: a fixed block is fixedly arranged on the right arc inner wall of the arc chute, a slideway through which the fixed block can pass is arranged on the traction block, and a rotatable supporting pulley for supporting and guiding the traction wire is arranged in the fixed block;

the guide wheels are rotatably arranged between the front inner wall and the rear inner wall of the pressure chamber, and the traction wire extends into the arc-shaped chute after being guided by the guide wheels and is fixedly connected to the left inner wall of the slideway.

5. A college sports fitness training system as claimed in claim 2 wherein: the armguard is made of a silica gel soft cushion, and comfort of the arms of a user when the arms of the user are propped against the armguard can be improved through soft silica gel materials.

6. A college sports fitness training system as claimed in claim 3 wherein: the elastic component comprises a load cavity which is arranged in the inner wall of the rear side of the pressure chamber and is provided with a backward opening, the rear end of the resistance rotating shaft extends into the load cavity, and a notch groove is communicated with the inner wall of the upper side of the load cavity;

the device comprises a load disc, a torsion spring chamber, a sleeve block, a torsion spring chamber and a torsion spring chamber, wherein the load disc is arranged on the upper end face of the load disc in a matched slidable manner, the rotation limiting block is fixedly arranged on the upper end face of the load disc and can be clamped with each other between the notch grooves, the sleeve block is rotatably arranged in the load disc and can be in sliding connection with a resistance rotating shaft in a sliding manner, the sleeve block is in sliding connection with the resistance rotating shaft in the front-back direction and cannot be in relative rotation connection, and the torsion spring chamber is fixedly provided with a load spring connected between the sleeve block and the inner wall of the torsion spring chamber, so that the number of the load disc assembly can be adjusted to exercise arm strength load size.

7. A college sports fitness training system as claimed in claim 6 wherein: the clamping assembly comprises a clamping groove which is arranged in the inner wall of the rear side of the jump groove in an annular array, a clamping block which can be clamped in the clamping groove is fixedly arranged on the end face of the rear side of the jump block, and the storage and upper swing modes of the arm strength device main body can be changed and fixed through the clamping block and the clamping groove;

a locking pin is arranged between the rotating sliding block and the connecting seat B, and the position between the rotating sliding block and the connecting seat B can be locked through the locking pin.

8. A college sports fitness training system as claimed in claim 7 wherein: the handle assembly comprises a baffle plate which is arranged on the end face of the rear side of the arm strength device main body and fixedly connected with the traction block, a movable handle is fixedly arranged on the end face of the rear side of the baffle plate, and when the arm strength device is used, a user can exercise the arm by lifting and pulling the movable handle;

a semi-annular balance handle is fixedly arranged on the front end face of the arm strength device main body, and the other side arm is held on the balance handle for keeping body balance during exercise.

9. A college sports fitness training system as claimed in claim 8 wherein: the universal wheels are arranged in the end faces of the lower sides of the supporting plates, and the supporting plates and parts thereof can be conveniently carried through the universal wheels.

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